CN115326112B - Differential finger control sensor - Google Patents
Differential finger control sensorInfo
- Publication number
- CN115326112B CN115326112B CN202211017179.2A CN202211017179A CN115326112B CN 115326112 B CN115326112 B CN 115326112B CN 202211017179 A CN202211017179 A CN 202211017179A CN 115326112 B CN115326112 B CN 115326112B
- Authority
- CN
- China
- Prior art keywords
- bearing
- cross
- fixedly connected
- coil
- simple pendulum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/2291—Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Retarders (AREA)
- Prostheses (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
本发明一种差分式指控传感器涉及传感器领域，具体涉及一种差分式指控传感器，包括壳体，所述壳体内固定连接有隔板，所述隔板上固定设置有十字铰接装置，十字铰接装置包括扳动轴和套接在扳动轴上的十字盘，扳动轴从壳体的一端伸出，壳体另一端上固定连接有支撑板；所述隔板上沿扳动轴周向均布有四个限位通孔，所述支撑板上对应限位通孔的位置固定连接有四个绕线骨架；本发明结构合理、可靠性高，精度高，利用同一组绕线骨架上的初级线圈由同一导线绕制而成相连，次级线圈由两个导线绕制而成且两个次级线圈差分相连，可解析指控扳动角度和方向，本发明为非接触式电磁感应。抗电磁干扰能力强，差分输出应用温度范围广，温度漂移小。
The present invention relates to a differential pointing sensor in the field of sensors, and specifically to a differential pointing sensor, comprising a housing, a partition fixedly connected in the housing, a cross hinge device fixedly provided on the partition, the cross hinge device comprising a pull shaft and a cross plate sleeved on the pull shaft, the pull shaft extending from one end of the housing, and a support plate fixedly connected to the other end of the housing; four limiting through holes are evenly distributed along the circumference of the pull shaft on the partition, and four winding skeletons are fixedly connected at positions corresponding to the limiting through holes on the support plate; the present invention has a reasonable structure, high reliability, and high precision, and utilizes primary coils on the same group of winding skeletons wound with the same wire and connected, and secondary coils wound with two wires and differentially connected, so as to analyze the pointing angle and direction. The present invention is a non-contact electromagnetic induction. It has strong anti-electromagnetic interference capability, a wide differential output application temperature range, and small temperature drift.
Description
Technical Field
The invention relates to the field of sensors, in particular to a differential finger control sensor.
Background
The existing finger control sensor is mostly based on the Hall principle. The Hall chip circuit is arranged at the bottom side of the sensor, and the rod end of the pulling rod is provided with a magnet. And three-dimensional space induction is formed between the magnet and the chip. The position of the induction magnet and the magnetic field strength. This implementation is susceptible to interference from the spatial magnetic field, resulting in output bias. Meanwhile, in a high-low temperature environment, the temperature drift is larger. And the relative position deviation of the chip and the magnet increases the debugging work in the later stage.
Disclosure of Invention
The invention aims to provide the finger control sensor which has reasonable structure and high reliability and can realize high precision. The Hall type finger control displacement sensor solves the problems that the Hall type finger control displacement sensor is easy to be interfered by a space magnetic field, has large temperature drift, is difficult to assemble and the like, and realizes the fine control of output.
The invention relates to a differential type finger control sensor, which comprises a cylindrical shell with two open ends, wherein a baffle is fixedly connected in the shell, a cross hinge device is fixedly arranged on the baffle, the cross hinge device comprises a spanner shaft and a cross disc sleeved on the spanner shaft, the spanner shaft extends out from one end of the shell, and a supporting plate is fixedly connected on the other end of the shell;
Four limiting through holes are uniformly distributed on the partition plate along the circumferential direction of the spanner shaft, four winding frameworks are fixedly connected to the positions of the corresponding limiting through holes in the supporting plate, one end of each winding framework, which is far away from the supporting plate, is connected with a feeler lever through a sleeve sleeved on the winding framework, and one end of each feeler lever, which is far away from the sleeve, passes through the corresponding limiting hole and then abuts against a corresponding and fixedly arranged touch block on the cross disc;
a reset spring is sleeved on the winding framework between the sleeve and the supporting plate, one end of the reset spring is propped against the sleeve, and the other end of the reset spring is propped against a base fixedly connected with the bottom of the winding framework;
a coil is wound on one end of the winding framework, which faces the sleeve, soft magnetic alloy rods are fixedly arranged in the sleeve, and one end of each soft magnetic alloy rod, which faces the coil, is arranged in the inner area of the coil;
operating the spanner shaft, and extruding the contact blocks on the cross disc along with the spanner shaft to change the length of the soft magnetic alloy rod extending into the coil;
the coils comprise a primary coil and a secondary coil wound outside the primary coil, and two non-adjacent winding frameworks in the four winding frameworks form a group;
The primary coils on the same group of winding frameworks are wound by the same wire to be connected, the secondary coils are wound by two wires to be connected in a differential way;
The wiring terminals of the coil are respectively connected with corresponding wiring terminals fixedly arranged on the supporting plate.
Preferably, the cross hinge device further comprises a bearing base and a simple pendulum seat, wherein two bearing fixing rings are symmetrically arranged on opposite surfaces of the bearing base and the simple pendulum seat, the central axes of the bearing fixing rings on the bearing base are positioned on the same straight line, the central axes of the bearing fixing rings on the simple pendulum seat are positioned on the same straight line, and the central axes of the bearing fixing rings on the bearing base and the central axes of the bearing fixing rings on the simple pendulum seat are positioned in the same plane and are mutually perpendicular;
The bearing base is also fixedly provided with a cross block, the cross block is positioned in an area between two bearing fixing rings on the bearing base, and the bearing fixing rings on the bearing base are provided with bearings;
the simple pendulum seat is buckled on the bearing base, two bearing fixing rings on the simple pendulum seat are positioned at two sides of the cross block, and bearings are arranged in the bearing fixing rings on the simple pendulum seat;
the cross block is fixedly connected with a bearing inner sleeve towards the peripheral surface of the bearing, the bearing inner sleeve is connected with an inner ring screw in a threaded manner, the bearing inner sleeve and the inner ring screw on the same bearing are respectively positioned at two sides of the bearing, and the bearing inner ring and the inner ring screw are respectively propped against two sides of the bearing inner ring;
The bearing fixing ring is provided with a bearing outer ring retainer ring on one side facing the cross block, one side of the bearing outer ring far away from the cross block is respectively and correspondingly connected with an outer ring screw, and the outer ring screw is fixedly connected with a bearing base or a single pendulum base where the bearing is positioned;
The wrenching shaft is fixedly arranged on one surface of the simple pendulum seat, which is far away from the bearing fixing ring, and the simple pendulum seat is fixedly connected with the cross disc;
The bearing base is fixedly connected with the partition board;
The contact blocks on the cross disk are correspondingly arranged with the bearings.
Preferably, one end of the wrenching shaft far away from the simple pendulum seat penetrates through the cross disc and is fixedly connected with a cap, a protective cover covered at the end part of the shell is sleeved between the cap and the cross disc, and the protective cover is fixedly connected with the cross disc.
Preferably, the shield is arcuate.
Preferably, the shell is a step-shaped shell, and the partition plate is fixedly arranged at the step of the shell through a screw.
Preferably, a ring table is arranged at one end of the shell connecting support plate, the support plate is clamped on the ring table and fixedly connected with the shell through an insulating base fixedly connected with the shell, and the binding posts penetrate through the insulating base and extend out of the shell.
The invention has reasonable structure, high reliability and high precision, and uses the primary coil on the same group of winding frameworks to be wound by the same wire and connected, the secondary coil is wound by two wires and the two secondary coils are connected in a differential way, and the invention can analyze and control the pulling angle and direction and is non-contact electromagnetic induction. The anti-electromagnetic interference capability is strong, the differential output application temperature range is wide, and the temperature drift is small.
Drawings
FIG. 1 is an exploded view of the present invention.
Fig. 2 is an exploded view of the cross hinge assembly.
FIG. 3 is a rear cross-sectional view of the present invention with the trigger operated and the housing removed.
Figure 4 is a cross-sectional view of the present invention.
Fig. 5 is an electrical schematic.
The device comprises a 1-cap, a 2-protective cover, a 3-cross disc, a 4-shell, a 5-partition plate, a 6-sleeve, a 7-reset spring, an 8-single pendulum seat, a 9-binding post, a 10-winding framework, an 11-coil, a 12-supporting plate, a 13-insulating base, a 14-cross block and a 15-bearing base.
Detailed Description
The invention relates to a differential type finger control sensor, which comprises a cylindrical shell 4 with two open ends, wherein a baffle 5 is fixedly connected in the shell 4, a cross hinge device is fixedly arranged on the baffle 5, the cross hinge device comprises a spanner shaft and a cross disc 3 sleeved on the spanner shaft, the spanner shaft extends out from one end of the shell 4, and a supporting plate 12 is fixedly connected to the other end of the shell 4;
four limit through holes are uniformly distributed on the partition plate 5 along the circumferential direction of the spanner shaft, four winding frameworks 10 are fixedly connected to the positions of the support plate 12 corresponding to the limit through holes, one end of the winding frameworks 10, which is far away from the support plate 12, is connected with a feeler lever through a sleeve 6 sleeved on the winding frameworks 10, and one end of the feeler lever, which is far away from the sleeve 6, is propped against a corresponding and fixedly arranged touch block on the cross disc 3 after passing through the limit holes;
The coil winding frameworks 10 between the sleeve 6 and the support plate 12 are sleeved with return springs 7, one ends of the return springs 7 are propped against the sleeve 6, and the other ends of the return springs are propped against a base fixedly connected with the bottom of the coil winding frameworks 10;
a coil 11 is wound on one end of the winding framework 10 facing the sleeve 6, soft magnetic alloy rods are fixedly arranged in the sleeve 6, and one end of each soft magnetic alloy rod facing the coil 11 is arranged in the inner area of the coil 11;
The spanner shaft is operated, and the contact block on the cross disc 3 extrudes the contact rod along with the spanner shaft, so that the length of the soft magnetic alloy rod extending into the coil 11 is changed;
The coils 11 comprise a primary coil and a secondary coil wound outside the primary coil, and two non-adjacent winding frameworks 10 in the four winding frameworks 10 are a group;
the primary coils on the same group of winding frameworks 10 are wound by the same wire to be connected, the secondary coils are wound by two wires to be connected differentially;
the terminals of the coil 11 are respectively connected with corresponding binding posts 9 fixedly arranged on the supporting plate 12.
The cross hinge device further comprises a bearing base 15 and a simple pendulum seat 8, wherein two bearing fixing rings are symmetrically arranged on the opposite surfaces of the bearing base 15 and the simple pendulum seat 8, the central axes of the bearing fixing rings on the bearing base 15 are positioned on the same straight line, the central axes of the bearing fixing rings on the simple pendulum seat 8 are positioned on the same straight line, and the central axes of the bearing fixing rings on the bearing base 15 and the central axes of the bearing fixing rings on the simple pendulum seat 8 are positioned in the same plane and are mutually perpendicular;
The bearing base 15 is also fixedly provided with a cross block 14, the cross block 14 is positioned in the area between two bearing fixing rings on the bearing base 15, and bearings are arranged in the bearing fixing rings on the bearing base 15;
The simple pendulum seat 8 is buckled on the bearing base 15, two bearing fixing rings on the simple pendulum seat 8 are positioned at two sides of the cross block 14, and bearings are arranged in the bearing fixing rings on the simple pendulum seat 8;
the cross block 14 is fixedly connected with a bearing inner sleeve towards the peripheral surface of the bearing, the bearing inner sleeve is connected with an inner ring screw in a threaded manner, the bearing inner sleeve and the inner ring screw on the same bearing are respectively positioned at two sides of the bearing, and the bearing inner ring and the inner ring screw are respectively propped against two sides of the bearing inner ring;
a bearing outer ring retainer ring is arranged on one side of the bearing fixing ring, facing the cross block 14, and outer ring screws are respectively and correspondingly connected with one side of the bearing outer ring, far away from the cross block 14, and are respectively and fixedly connected with a bearing base 15 or a single pendulum base 8 where the bearing is positioned;
the wrenching shaft is fixedly arranged on one surface, far away from the bearing fixing ring, of the simple pendulum seat 8, and the simple pendulum seat 8 is fixedly connected with the cross disc 3;
The bearing base 15 is fixedly connected with the partition board 5;
the contact blocks on the cross plate 3 are arranged corresponding to the bearings.
The end of the wrenching shaft, which is far away from the simple pendulum seat 8, penetrates through the cross disc 3 and is fixedly connected with the cap 1, a protective cover 2 which is covered at the end part of the shell 4 is sleeved between the cap 1 and the cross disc 3, and the protective cover 2 is fixedly connected with the cross disc 3.
The protective cover 2 is arc-shaped.
The shell 4 is a step-shaped shell 4, and the partition plate 5 is fixedly arranged at the step of the shell 4 through screws.
The one end of casing 4 connection backup pad 12 is provided with the ring platform, backup pad 12 block is on the ring platform to through the fixed insulating base 13 that links to each other with casing 4 fixed link to each other, terminal 9 all pass insulating base 13 and stretch out casing 4.
The invention adopts the working principle that the operation action of the spanner shaft is converted into electric signals through a differential inductance circuit and then output. As shown in fig. 4, when the cap 1 is pulled, the pulling shaft moves along with it, the return spring 7 is compressed, the distance between the return spring 7 and the coil 11 changes, the length of the soft magnetic alloy rod extending into the coil 11 changes, the magnetic resistance of the coil 11 changes, the inductance changes, the voltage on the inductance changes, the electrical signal output changes along with the pulling angle, and the output signal changes after the pulling shaft is operated. When the cap 1 is continuously pulled, the protective cover limits the pulling angle, the cap 1 is loosened, the compression spring releases pressure from the compression state, the cap 1 tends to return to the zero position, the compression spring and the feeler lever return to the original positions at the moment, the coil 11 inductance recovers the zero position value, the zero position voltage at the moment is output, and the zero position signal output is realized after the thumb self-resetting operation.
The cross hinge device is utilized to convert angular motion into displacement motion, and the angular displacement and the linear displacement are proportional in a small-angle rotation range.
The coils 11 are wound on the two groups of bobbins 10 to form one differential circuit coil 11 in each of the X and Y directions, and the differential circuits in each direction are arranged on the two symmetrical bobbins 10.
Each differential circuit is composed of a primary coil and two groups of secondary coils, the two secondary coils are connected in series according to the potential reversed phase and output in differential mode, when the primary coil adds a certain sine alternating voltageAfter that, induced potential is generated in the secondary coil、. When the finger-controlled displacement sensor is positioned at the middle position, the mutual inductances of the two secondary coils are the same, and the induced potential is the same=When the wrenching shaft is operated, the cap 1 moves from the middle position to one side, the wrenching side feeler lever is compressed by the cross hinging device, the mutual inductance of the coil 11 in the compression direction is increased, the mutual inductance of the coil 11 in the non-compression direction is unchanged, and the induced potential is generated>Output voltage=-Is not zero, and in the range of the invention, the larger the displacement amount is, the larger the output voltage difference value is. When the spanner is operated in the reverse direction, the mutual inductance of the coil 11 in the compression direction is increased, the mutual inductance of the coil 11 in the non-compression direction is unchanged, and the potential is induced>Output voltageStill not zero. The ratio of the difference between the output voltages of the two channels to the sum of the output voltages is linear over a prescribed range of travel.
Assembly sequence
1. The partition board 5 is used in the screw shell 4;
2. the cross hinge device assembled into the assembly is fixed in the shell 4 provided with the baffle plate 5 by using screws;
3. Fixing the protective cover 2 on the shell 4 by using screws;
4. loading the cap 1 on a spanner shaft of the cross hinging device;
5. the feeler lever and the sleeve 6 are installed in the shell 4 from the bottom;
6. The bobbin 10 around which the coil 11 is wound is fixed to a support plate 12, the support plate 12 is fixed to an insulating base 13, and the coil 11 is soldered to the post 9 in accordance with a schematic wiring diagram, and signal output is performed.
7. The compression spring is installed in the shell 4, and the assembly consisting of the winding framework 10, the supporting plate 12 and the binding post 9 is installed in the shell 4 and fixed.
Claims (4)
1. The differential type finger control sensor comprises a cylindrical shell (4) with two open ends, wherein a baffle plate (5) is fixedly connected in the shell (4), and the differential type finger control sensor is characterized in that a cross hinge device is fixedly arranged on the baffle plate (5), the cross hinge device comprises a spanner shaft and a cross disc (3) sleeved on the spanner shaft, the spanner shaft extends out from one end of the shell (4), and a supporting plate (12) is fixedly connected to the other end of the shell (4);
Four limit through holes are uniformly distributed on the partition plate (5) along the circumferential direction of the wrenching shaft, four winding frameworks (10) are fixedly connected to the positions of the support plate (12) corresponding to the limit through holes, one end of the winding frameworks (10) far away from the support plate (12) is connected with a feeler lever through a sleeve (6) sleeved on the winding frameworks (10), and one end of the feeler lever far away from the sleeve (6) passes through the limit holes and then abuts against a corresponding and fixedly arranged touch block on the cross disc (3);
A return spring (7) is sleeved on the winding framework (10) between the sleeve (6) and the supporting plate (12), one end of the return spring (7) is propped against the sleeve (6), and the other end of the return spring is propped against a base fixedly connected with the bottom of the winding framework (10);
A coil (11) is wound on one end of the winding framework (10) facing the sleeve (6), soft magnetic alloy rods are fixedly arranged in the sleeve (6), and one end of each soft magnetic alloy rod facing the coil (11) is arranged in the inner area of the coil (11);
Operating the spanner shaft, and extruding the feeler lever along with the spanner shaft by the feeler block on the cross disc (3), so as to change the length of the soft magnetic alloy rod extending into the coil (11);
The coil (11) comprises a primary coil and a secondary coil wound outside the primary coil, and two non-adjacent winding frameworks (10) in the four winding frameworks (10) are a group;
The primary coils on the same group of winding frameworks (10) are wound by the same wire to be connected, the secondary coils are wound by two wires and the two secondary coils are differentially connected;
The wiring terminals of the coil (11) are respectively connected with corresponding wiring terminals (9) fixedly arranged on the supporting plate (12);
The cross hinge device further comprises a bearing base (15) and a simple pendulum seat (8), two bearing fixing rings are symmetrically arranged on opposite faces of the bearing base (15) and the simple pendulum seat (8), the central axes of the bearing fixing rings on the bearing base (15) are located on the same straight line, the central axes of the bearing fixing rings on the simple pendulum seat (8) are located on the same straight line, and the central axes of the bearing fixing rings on the bearing base (15) and the central axes of the bearing fixing rings on the simple pendulum seat (8) are located in the same plane and are perpendicular to each other.
2. A differential finger control sensor according to claim 1, characterized in that the bearing base (15) is further fixedly provided with a cross block (14), the cross block (14) is located in a region between two bearing fixing rings on the bearing base (15), and bearings are arranged in the bearing fixing rings on the bearing base (15);
the simple pendulum seat (8) is buckled on the bearing base (15), two bearing fixing rings on the simple pendulum seat (8) are positioned at two sides of the cross block (14), and bearings are arranged in the bearing fixing rings on the simple pendulum seat (8);
The cross block (14) is fixedly connected with a bearing inner sleeve towards the peripheral surface of the bearing, the bearing inner sleeve is connected with an inner ring screw in a threaded manner, the bearing inner sleeve and the inner ring screw on the same bearing are respectively positioned at two sides of the bearing, and the bearing inner ring and the inner ring screw are respectively propped against two sides of the bearing inner ring;
The bearing fixing ring is provided with a bearing outer ring retainer ring on one side facing the cross block (14), and outer ring screws are respectively and correspondingly connected with one side of the bearing outer ring far away from the cross block (14), and the outer ring screws are respectively and fixedly connected with a bearing base (15) or a simple pendulum base (8) where the bearing is positioned;
The wrenching shaft is fixedly arranged on one surface, far away from the bearing fixing ring, of the simple pendulum seat (8), and the simple pendulum seat (8) is fixedly connected with the cross disc (3);
the bearing base (15) is fixedly connected with the partition board (5);
the contact blocks on the cross disc (3) are correspondingly arranged with the bearings.
3. The differential type finger control sensor according to claim 2, wherein one end of the wrenching shaft far away from the simple pendulum seat (8) penetrates through the cross disc (3) and then is fixedly connected with the cap (1), a protective cover (2) covered at the end part of the shell (4) is sleeved between the cap (1) and the cross disc (3), and the protective cover (2) is fixedly connected with the cross disc (3).
4. A differential finger sensor according to claim 3, wherein the shield (2) is arcuate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211017179.2A CN115326112B (en) | 2022-08-24 | 2022-08-24 | Differential finger control sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211017179.2A CN115326112B (en) | 2022-08-24 | 2022-08-24 | Differential finger control sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115326112A CN115326112A (en) | 2022-11-11 |
| CN115326112B true CN115326112B (en) | 2025-09-12 |
Family
ID=83925318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211017179.2A Active CN115326112B (en) | 2022-08-24 | 2022-08-24 | Differential finger control sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115326112B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217953507U (en) * | 2022-08-24 | 2022-12-02 | 西安旭彤电子科技股份有限公司 | A Differential Pointing Sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1473547A1 (en) * | 2003-05-02 | 2004-11-03 | Precilec | Inductive angular position sensor |
| KR101158812B1 (en) * | 2010-03-02 | 2012-06-26 | 주식회사 디엔엠 테크놀로지 | Displacement sensor and magnetic bearing system using the same |
-
2022
- 2022-08-24 CN CN202211017179.2A patent/CN115326112B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217953507U (en) * | 2022-08-24 | 2022-12-02 | 西安旭彤电子科技股份有限公司 | A Differential Pointing Sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115326112A (en) | 2022-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4107604A (en) | Hall effect displacement transducer using a bar magnet parallel to the plane of the Hall device | |
| US2430757A (en) | Electrical remote-reading positionindicating apparatus | |
| US2488734A (en) | Dynamo transformer | |
| JP7812449B2 (en) | Current Sensor | |
| EP1737120B1 (en) | Voice coil actuator with embedded capacitive sensor for motion, position and/or acceleration detection | |
| US4991301A (en) | Inductive displacement sensors | |
| US5180970A (en) | Mechanically adjustable current sensor and method for making same | |
| CN117950506B (en) | A rocker device with automatic return to center function | |
| US2569105A (en) | Magnetic position responsive device | |
| EP0438490B1 (en) | Homopolar inductive displacement sensor | |
| JPH06161655A (en) | Joy stick | |
| US2379417A (en) | Electrical remote-reading positionindicating apparatus | |
| CN115326112B (en) | Differential finger control sensor | |
| CN217953507U (en) | A Differential Pointing Sensor | |
| US3359522A (en) | Contact-free rotary resistor arrangement | |
| US4132980A (en) | High-sensitivity inductive transducer for rectilinear or rotational displacement | |
| US2740941A (en) | Variable reactors | |
| CN112379118B (en) | Rotational angular velocity and rotational angular acceleration integrated measuring device | |
| US3430173A (en) | Two-axis angular displacement detector | |
| US3273096A (en) | Rotary differential transformer | |
| CN100437034C (en) | Differential Inductive Two-Dimensional Displacement Measuring Sensor | |
| US3260117A (en) | Electric position detection devices | |
| US4464645A (en) | Angular displacement transducer of the variable reluctance type | |
| KR101852059B1 (en) | winding type Rotary Variable Differential Transformer | |
| TWI921929B (en) | A rocker arm device with automatic centering function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |