58results about "Converting sensor output mechanically" patented technology

A skew sensing apparatus for detecting skew in at least one, or a plurality of control surfaces of a vehicle. The apparatus includes a tension cord which is held under tension between a) a first spring associated with a sensor and a sensor target and b) an opposing second spring. During normal operation, the apparatus is configured to maintain said sensor target in a first position relative to said sensor, thereby indicating said normal operation. During an abnormal operation, the apparatus is configured to shunt said tension cord such that said sensor target is translated to a second position, relative to said sensor thereby indicating said abnormal status.

An electromechanical actuator including an electric motor housed in a housing, the electric motor acting on a torque output element capable of being coupled to an element of a transmission gearbox of a motor vehicle. The torque output element is connected to the electric motor by drive means, and the torque output element is a main shaft configured to rotate about its axis of rotation with a first end and a second end. The actuator further includes a circuit board located in the housing, the circuit board comprises a sensor which faces a magnet mounted on a support coupled to the second end of the main shaft by means of a first swivel-linear mechanism.

An electronic device includes a first housing, a second housing slidably coupled to the first housing, a rollable display configured to be enlarged or reduced based on a movement of the second housing, a rack gear disposed on the second housing, a pinion gear driven in engagement with the rack gear and including a plurality of teeth, an actuator configured to rotate the pinion gear and coupled with the pinion gear by a shaft, a first magnet surrounding at least part of the shaft, and spaced apart from the pinion gear along the shaft, and a hall sensor spaced apart from the pinion gear in direction perpendicular to the shaft, and a processor, wherein the processor is configured to obtain data related to a change in the magnetic force using the hall sensor and identify a rotating angle of the pinion gear based on the data related to a change in the magnetic force.

The invention belongs to the technical field of aircraft assembly, and discloses an aircraft front wheel turning angle monitoring device and method, and the device comprises a mechanical sensing module, a signal processing module and a signal receiving device. The mechanical sensing module is detachably mounted on a shock strut of a nose landing gear of an aircraft, and the rotary motion of the shock strut is converted into a linear displacement signal through a gear transmission mechanism in the mechanical sensing module; the signal processing module analyzes the displacement signal into a front wheel turning angle electric signal; and the signal receiving device receives and displays the angle value. The invention further discloses a corresponding monitoring method. The device adopts a modular and non-invasive design, solves the problems that the turning angle of the front wheel cannot be monitored in real time and the over-limit risk exists in the aircraft traction process, has the advantages of being convenient and fast to install, accurate in measurement and wide in applicability, and remarkably improves the safety and the working efficiency of flight guarantee.

The invention discloses a driving all-in-one machine and an output shaft multi-turn absolute position detection method thereof, and realizes accurate quantization of a multi-stage coding system state by obtaining a detection value of each stage of coding shaft and decomposing the detection value into a turn value and an in-turn remainder value based on a transmission ratio. A mapping relation from an upper first-level coding axis to a lower first-level coding axis is established according to the transmission ratio, and a mapping value is obtained after dimensions are unified, so that a comparable basis of upper-level coding data and lower-level coding data is established. By obtaining the difference value between the mapping value and the corresponding inner remainder value of the lower first-level coding shaft ring and comparing the difference value with the half-ring threshold value, the phenomenon of zero crossing point asynchronization caused by the gear clearance can be accurately identified. Dynamic compensation is carried out on the number of turns of the next first-level coding shaft based on a difference value comparison result, and reading deviation caused by the mechanical back clearance is effectively corrected. Finally, the multi-turn absolute position of the output shaft is synthesized based on the compensated number of turns of the coding shafts, so that the continuity and accuracy of position calculation are ensured, and position calculation errors caused by gear gaps are avoided.

Device (10) for detecting the position of, or the forces applied to, an object, comprising at least one contact element (11) associated with a sensor (12) housed inside a waterproofing casing (19); the contact element (11) is mobile between at least a first rest position and at least a second operating position, and vice versa, and is configured to transmit motion to the sensor (12) indirectly through the use of one or more magnetic elements (13, 15, 17, 32, 33) or by means of a direct connection with the sensor (12).

The utility model discloses a kind of elevator door opening and closing time and speed measuring device, including measurement terminal, speed measurement module and support. Measurement terminal includes shell, encoder socket and button trigger switch, encoder socket and button trigger switch are all set on shell, button trigger switch is used to press elevator door opening and closing button;Speed measurement module includes sucking disc, sucking disc lock catch, gyro wheel and rotary encoder, sucking disc lock catch is set on sucking disc, gyro wheel is coaxially connected with rotary encoder, and rotary encoder is electrically connected with encoder socket;Support is connected by multiple support arms one by one, the first end of support is movably connected with sucking disc, and the second end of support is provided with gyro wheel and rotary encoder. Can improve elevator door opening time, door closing time measurement accuracy, the running speed of car door in the process of elevator door opening and closing is continuously recorded by gyro wheel and rotary encoder. It is convenient to operate, and measurement precision is high, improve elevator installation debugging and detection efficiency.

The utility model provides a telemetering terminal with a vibrating wire interface, which comprises a telemetering terminal body, a master control circuit is arranged in the telemetering terminal body, the vibrating wire interface is arranged at the top of the telemetering terminal body, and a pre-amplification circuit, a filter circuit, a vibration pickup circuit, a vibrating wire circuit, a microcontroller and a vibration excitation circuit are arranged on the master control circuit. The vibrating wire interface is connected with the input end of the pre-amplification circuit, the output end of the pre-amplification circuit is connected with the input end of the filter circuit, the output end of the filter circuit is connected with the input end of the vibration pick-up circuit, the output end of the vibration pick-up circuit is connected with the input end of the vibrating wire circuit, and the input end of the vibrating wire circuit is connected with the input end of the microcontroller. The output end of the microcontroller is connected with the input end of the excitation circuit, the output end of the excitation circuit is connected with the vibrating wire interface, and the problem that the vibrating wire sensor cannot be adapted in the prior art is solved.

An example rotary actuator includes: a housing having a cavity therein; an output shaft disposed in the cavity and configured to rotate within the housing upon providing fluid flow within the housing; a cam coupled to the output shaft and configured to rotate therewith; and a rotary′ sensor mounted to the housing, wherein the rotary′ sensor interacts with the cam such that the rotary sensor provides sensor information indicating a rotary′ position of the cam and the output shaft.

To provide an absolute encoder capable of achieving reduction in a size in a simple configuration.SOLUTION: An absolute encoder comprises: a main shaft gear that rotates with a main shaft; a first magnet that rotates with the main shaft; a first magnetic sensor that detects a change in a magnetic flux generated from the first magnet; an idle gear that has a smaller number of teeth than the number of teeth of the main shaft gear and that rotates according to the rotation of the main shaft gear; a first secondary shaft disposed parallel to the main shaft; a first driven gear that is attached to the first secondary shaft and that meshes with the idle gear; a second magnet that rotates with the first secondary shaft; a second magnetic sensor that detects a change in a magnetic flux generated from the second magnet; a second secondary shaft disposed parallel to the main shaft; a second driven gear that is attached to the second secondary shaft, that has a different number of teeth from the number of teeth of the first driven gear, and that meshes with the idle gear; a third magnet that rotates with the second secondary shaft; and a third magnetic sensor that detects a change in a magnetic flux generated from the third magnet.SELECTED DRAWING: Figure 2

An encoder includes a driven wheel, a housing, a carrier, a magnetic spur gear and a magnet. The driven wheel includes a first shaft bushing and a second shaft bushing. The housing includes a first shaft hole. The carrier includes a second shaft hole. The driven wheel is clamped between the housing and the carrier. The first shaft bushing is disposed within the first shaft hole. The second shaft bushing is disposed within the second shaft hole. The magnetic spur gear is installed on the driven wheel and synchronously rotated with the driven wheel. The magnet is located outside the magnetic spur gear and not contacted with the magnetic spur gear. When the driven wheel is rotated, a change of a magnetic attraction force between the magnetic spur gear and the magnet provides intermittent rotational resistance to the magnetic spur gear.

A position sensor (1), comprising: a magnetic sensor (3); a plurality of magnets (2) which are moved in a first direction (X) relative to the magnetic sensor (3), wherein one or some of the magnets (2) are arranged in a first track (5A) and the remaining magnets (2) are arranged in a second track (5B), wherein the magnetic sensor (3) includes: a first magnetic field detection element (9A) arranged in the first track (5A), a first processor (4A) that outputs a voltage VM1 when a rotation angle of a first magnetic field applied to the first magnetic field detection element (9A) is less than a first threshold (S21), and that outputs a predetermined high voltage VH when the rotation angle of the first magnetic field is equal to or greater than the first threshold (S21), wherein the voltage VM1 is a voltage between a predetermined low voltage VL and the high voltage VH and indicates positions of the magnets (2) relative to the first magnetic field detection element (9A); a second magnetic field detection element (9B) arranged in the second track (5B); and a second processor (4B) that outputs the low voltage VL when a rotation angle of a second magnetic field applied to the second magnetic field detection element (9B) is less than a second threshold (S22), and that outputs a voltage VM2 when the rotation angle of the second magnetic field is equal to or greater than the second threshold (S22), wherein the voltage VM2 is a voltage between the low voltage VL and the high voltage VH and indicates positions of the magnets (2) relative to the second magnetic field detection element (9B).

The utility model discloses an encoder, and relates to the field of encoders, and the encoder comprises a housing assembly, a rotating wheel which is comparably installed in the housing assembly, and an elastic damping mechanism which abuts against and cooperates with the rotating wheel. Wherein the shell assembly is composed of a base and a cover plate, and a mounting groove used for mounting the rotating wheel and the elastic resistance mechanism is formed in the base; the outer circumferential face of the rotating wheel is provided with an annular wave-shaped meshing interface, the wave-shaped meshing interface is continuously formed by protruding units which are arranged at equal-angle intervals, and the adjacent protruding units are matched to form a V-shaped groove. According to the encoder, rigid contact is converted into a flexible contact mechanism of the elastic balls, so that the interface abrasion rate is reduced while the tactile feedback precision is maintained, and the stable mechanical property of the encoder can be maintained in a ten million operation period.

The utility model relates to the technical field of rotary encoders, and discloses a noise reduction type rotary encoder, which comprises an encoding shaft, a seat module, a knob module, a gasket and a silica gel ring, one end of the encoding shaft is assembled with the seat module, the other end of the encoding shaft is movably assembled with the knob module, and the knob module is rotationally arranged relative to the seat module under the action of driving force; the base module comprises an inner base shell and a supporting base shell, the inner base shell is used for being assembled with the sighting telescope body, the supporting base shell is provided with a supporting shell face, the gasket and the supporting shell face are overlapped, the knob module abuts against the gasket, the silica gel ring is located between the coding shaft and the supporting base shell, and the coding shaft and the supporting base shell abut against the silica gel ring. The gasket plays a role in isolation, avoids direct friction between parts, blocks sound conduction and reduces rotation noise, meanwhile, the silica gel ring reduces oscillation conduction between the parts, the waterproof performance of the structure is improved, sound generated when the rotary encoder is used is reduced, the effect of reducing the sound is achieved, and the service life of the rotary encoder is prolonged.

The utility model provides an integrated gate position and limit collection device, including the gate board that is internally provided with the door plant, the one side of gate board is provided with the connecting plate, and the connecting plate is fixedly connected with the door plant, the surface of gate board is equipped with the clamping groove, and the connecting block is fixed in the clamping groove, and the connecting block rotationally connects with the right angle gear no.

The application provides an integrated gate position and limit acquisition method and device, which converts linear motion of a gate into rotation of a gear through accurate transmission ratio between gears, and then amplifies or reduces tiny displacement change, thereby improving sensitivity and accuracy of gate position monitoring, and solving the problem of low accuracy of traditional devices. According to height of the gate and actual requirements, the position is adjusted, the application combines a traditional gate position meter and a limit switch to form an integrated device, variable ratio gears, PLC and a resistance strain type linear displacement sensor work cooperatively to realize omnibearing and high-precision monitoring and control of the gate position, the integrated design not only reduces the size and complexity of the device, but also improves stability and reliability of the device by optimizing connection and communication between parts, and in terms of installation, the integrated design makes the overall structure of the device more compact, and reduces installation steps and required space.

The utility model discloses a split type synchronous transmission mechanism which comprises a gear assembly, a driving shaft, a transmission wheel belt assembly and a driven shaft, the driving shaft is composed of a positioning shaft and a split shaft, the positioning shaft and the split shaft are coaxially arranged, one end of the positioning shaft and one end of the split shaft are detachably connected together, and the other end of the split shaft is detachably connected with the gear assembly. The other end of the positioning shaft can be connected into a motor through a gear assembly, the other end of the split shaft can indirectly drive the encoder to operate through a transmission wheel belt assembly, a driven shaft and a mechano-electronic cam box, and installation and maintenance are very convenient.

The present invention relates to a rotation sensor (3) for a steering system (1) of a motor vehicle, comprising a ring gear (7) rotatably mounted in a housing (31) about an axis (A), and having internal teeth and a coupling element designed for connection with a steering shaft (22) rotatable about its longitudinal axis (L), wherein the housing (31) has an axial end wall (32), an axial inner wall (34), and a coaxially circumferential wall (33), wherein the ring gear (7) is arranged axially between the end wall (32) and the inner wall (34) and is circumferentially enclosed by the circumferential wall (33) with respect to the axis (A), and wherein at least one measuring wheel (71, 72), which has a magnetic element (73, 74), is rotatably mounted in the housing (31) and engages with its external teeth in the internal teeth of the ring gear (7), and wherein the housing (31) with the magnetic elements (73, 74) of the measuring wheel (71, 72) cooperating measuring elements (77) are attached.To improve operational reliability and enable a more compact design, the invention proposes that the end wall (32) and the inner wall (34) are designed to be completely closed over an interior enclosed by the internal toothing.

In one example, an electronic device includes a substrate structure and a housing. The housing is coupled to the substrate structure and includes a first chamber, a second chamber isolated from the first chamber, a first port comprising a first passage coupled to the first chamber, and a second port comprising a second passage coupled to the second chamber. An electronic component within the first chamber and includes a top side and a lower side opposite to the top side and isolated from the top side. The top side of the electronic component is configured to receive a first stimulus through the first passage and the first chamber, and the lower side of the electronic component is configured to receive a second stimulus through the second passage and the second chamber. Other examples and related methods are also disclosed herein.

A sensor for detecting an angular position of an actuator comprises a device for displaying a sensor function, in particular a detected sensor value, the device having at least one display for displaying the sensor function using at least a first light source and at least a second light source.

The invention relates to a steer-by-wire steering system (1) for a motor vehicle, comprising a servo drive designed as a ball recirculation drive (16) arranged axially parallel to a steering rod (12) of the electromechanical steering system (1), a steering rod (12) with a spindle-shaped ball recirculation contour (14) which is designed to be moved axially by a ball recirculation nut (16a) of the ball recirculation drive (16), a first device (20) arranged adjacent to the steering rod (12) in a steering gear housing (18) for determining an incremental steering rod position, which has a non-contact displacement measuring system (20a) configured to detect a distance to the spindle-shaped ball recirculation contour (14) of the steering rod (12), a second device for determining an incremental rotor position of an electric machine (24) of the servo drive (10), and a calculation device (26) configured toThe invention relates to a method for measuring the absolute position of a steering rod (12) in a steer-by-wire steering system based on an incremental steering rod position and the incremental rotor position.

To provide an encoder that can reduce the number of components.SOLUTION: An encoder 2 comprises: a rotary shaft 230; a first sensor 241 detecting the angle of rotation of the rotary shaft 230; a first gear 251; a second gear 252; a third gear 253 formed integrally with the second gear 252; a fourth gear 254; a second sensor 242 detecting the angle of rotation of the fourth gear 254; and a calculation unit 270. A first pair of the first gear 251 and the second gear 252, and a second pair of the third gear 253 and the fourth gear 254 are an eccentric oscillation speed reducer. The calculation unit 270 calculates the number of rotations Tm of the rotary shaft 230 on the basis of the angle of rotation detected by the second sensor 242.SELECTED DRAWING: Figure 5

A rotary scale device for an encoder device is provided which includes a planar disk provided with at least one track containing scale features, in which the planar disk has a hole through its center for receiving a cylindrical shaft, and the rotary scale member includes at least three cantilevered spring members disposed substantially planar with the planar disk and spaced around the edge of the hole for engaging the cylindrical shaft inserted into the hole and radially positioning the planar disk on the cylindrical shaft.

A steer-by-wire steering assembly comprises a housing and a motor assembly having at least one rotor and at least one stator having a first motor winding and a second motor winding, the at least one stator being mounted to the housing. A steering shaft comprises a threaded portion configured to engage with a screw actuator and to move longitudinally with respect to the housing when the first motor winding and / or the second motor winding is actuated. A rotational sensor is mounted on the housing adjacent to one or more rotatable components. The rotational sensor is configured to generate a signal in dependence on detecting rotational movement of the rotatable components. A linear displacement sensor is mounted to an end of the steering shaft. The linear displacement sensor is configured to generate a signal in dependence of detecting linear movement of the steering shaft.

A measuring instrument S100 comprises a main body 10, a probe 20 movable relative to the main body 10, a movable element 30 which is provided such that it moves with the probe 20, a scale element 40 which is attached to a part of the movable element 30, and a sensing element 50 which electrically detects a displacement of the scale element 40, wherein the movable element 30 and the scale element 40 are connected to each other by bonding with an adhesive S in the bonding area R and in the bonding area R the movable element 30 and / or the scale element 40 has a through-hole 30h into which the adhesive S penetrates.

A steering sensor for a vehicle of the present invention comprises: a case provided with a first case and a second case which are coupled to each other to form a space therein; a shaft holder rotatably provided in the case; a main gear provided on the outer circumference of the shaft holder; a plurality of auxiliary gears which are seated on the first case, and interlock with the main gear; and a substrate positioned between the auxiliary gears and the second case.

A position-indicating device for indicating the movement of a portion of a support element which is movable relative to a fixed portion, the support element being, more particularly, a spring hanger or constant hanger, a snubber, a vibration damper and / or an articulated-connection strut, the position-indicating device comprising: a mechanical movement-transmitting apparatus for transmitting the movement of the movable portion of the support element; an indicating apparatus for coupling to the movement-transmitting apparatus and for indicating the movement of the movable portion of the support element, wherein the indicating apparatus has a hollow cylinder and a driver element, which is movably mounted in the hollow cylinder and is coupled to the movement-transmitting apparatus with respect to movement, and wherein the hollow cylinder comprises a longitudinal slot, in which a transverse pin running radially outward extends, the transverse pin being moved along with driver element and being designed to move at least one extreme-value indicator, which extreme-value indicator is disposed radially outside with respect to the hollow cylinder. A support apparatus coupled to a position-indicating device of this type with respect to movement.

Mechanical position indicator (100) for representing an actuation state of an actuator of automation technology, comprising: an indicating element (110) for representing said actuation state; wherein said actuation state is represented by a linear position (113) of said indicating element, wherein said linear position of said indicating element has a first limit (111) and a second limit (112), wherein said first limit is fix, wherein the mechanical position indicator comprises a slidable mask at least partially surrounding said indicating element in a cross section, wherein the mask is set up to indicate a position of said second limit.

A user interface for use within a valve control system. The illustrative user interface includes a rotary incremental encoder having an outer selector ring operably coupled to an inner pinion.