143 results about "Inductive sensor" patented technology

There is provided a sensor unit for a fastener assembly, the sensor unit comprising a mounting arranged to rigidly attach the sensor unit to, or adjacent to, a fastener assembly; and a sensor, that is an optical flow sensor or an inductive sensor, configured to sense movement of the fastener assembly. The sensor unit may comprise a processor arranged to process the output of the sensor to detect loosening of the fastener assembly and to output a signal representing the status of the fastener assembly. The sensor unit may comprise a wireless communication unit arranged to communicate the signal.

The wine bottle thickness measuring instrument is composed of a main body structure and a magnetic field measuring unit, the magnetic field measuring unit comprises a magnetic field inductive sensor and a permanent magnet assembly which form a magnetic field distance measuring system, and an electric signal output by the magnetic field inductive sensor is in linear correlation with the magnetic field intensity of the environment where the magnetic field inductive sensor is located; the main control module is electrically connected with the magnetic field measurement unit, pre-stores a magnetic field intensity B and distance d calibration data set matched with the permanent magnet assembly, reads an electric signal output by the magnetic field induction sensor, converts the electric signal into an actual magnetic field intensity value, selects a reference data set based on the calibration data set, and sends the reference data set to the permanent magnet assembly; the distance between the magnetic field inductive sensor and the permanent magnet assembly is calculated through a preset algorithm, and the distance is the thickness of the bottle wall of the wine bottle. The invention provides a wine bottle thickness measuring instrument with high precision, portability and non-contact measurement, so as to promote the standardization process of the wine identification and collection industry.

A powered fastener driver including: a rotary lifter rotatably supported within the housing and configured to sequentially engage the plurality of teeth to move a driver blade from a bottom-dead-center position toward a top-dead-center position; a drive unit configured to provide torque to the rotary lifter, causing it to rotate; a nosepiece defining a fastener driving channel, the fastener driving channel extending along a driving axis of the driver blade; a workpiece contact element movable relative to the nosepiece between an extended position and a retracted position; a sensor assembly including a first inductive sensor configured to detect a position of the workpiece contact element in one of the extended position or the retracted position; and a second inductive sensor configured to detect an angular position of the rotary lifter, wherein the first inductive sensor and the second inductive sensor are on opposite sides of the rotary lifter.

The utility model relates to the technical field of detection devices, and discloses a photoelectric width measuring device which comprises a double-shaft air cylinder and a photoelectric sensor, a magnet with a seat penetrates through and is installed on the left side of a front plate of a width measuring air cylinder connecting plate in a threaded mode, and a light eye sensing support copper sleeve shaft is arranged at the front end of the photoelectric sensor. The outer side of the optical eye induction support copper sleeve shaft is movably sleeved with a copper alloy straight sleeve type bearing, the outer ring of the copper alloy straight sleeve type bearing is movably sleeved with a width measurement contact block, and a width measurement contact probe is slidably installed in the insertion hole. A cylindrical inductive sensor penetrates through the right side of the front plate of the width measuring cylinder connecting plate and is installed in a threaded mode. According to the device, the edge position of a glass product can be accurately detected through the synergistic effect of the cylindrical inductive sensor and the photoelectric sensor, high-precision alignment measurement is achieved, meanwhile, the split type structural design is adopted, rapid separation is achieved, and the maintenance efficiency and flexibility of equipment are greatly improved.

The invention is based on a position determination device for a handheld material testing device, which is designed to detect a path traveled by the material testing device and comprises at least one signal transmitter unit (14) and at least one sensor unit (18) for being arranged on a rolling element (16) of the material testing device, wherein the signal transmitter unit (14) comprises at least one signal transmitter element (20) for changing a measurement signal depending on a rotational position of the rolling element (16), and wherein the sensor unit (20) is designed to be arranged on a chassis (22) of the material testing device for detecting the measurement signal. It is proposed that the signal transmitter element (20) is designed as an inductive signal transmitter element and the sensor unit (18) is designed as an inductive sensor unit, which are designed for inductive coupling to each other.

The application discloses a kind of detection structure of reciprocating pump cumulative flow, including the lower sleeve in reciprocating pump and with the transmission connection of worm gear in reciprocating pump, the inner hole lower end of lower sleeve is equipped with bearing, the lower side of lower sleeve is spaced and is equipped with bearing cover, the side of bearing cover towards lower sleeve is raised and forms boss in the inner hole of bearing along the center line direction of lower sleeve, boss is installed in the inner hole of bearing and is rotatably connected with lower sleeve by bearing, one or more induction blocks are fixedly connected on the lower end surface of lower sleeve, when the number of induction block is multiple, multiple induction blocks are evenly spaced and arranged around the center line direction of lower sleeve, inductive sensor is installed in the position of bearing cover corresponding lower end surface of lower sleeve, inductive sensor can inductively detect induction block, counter module is provided outside bearing cover, inductive sensor is electrically connected with counter module.The application also discloses a kind of method for detecting the cumulative flow of reciprocating pump using the above structure.

The utility model discloses an intelligent invisible induction stair lamp control system which comprises a wireless control device, a controller, a plurality of light-emitting lamp bodies and a plurality of induction sensors. The inductive sensor is arranged in the light-emitting lamp body, the light-emitting lamp body and the inductive sensor are connected with the controller through lines, the controller can receive carrier signals which are sent by the inductive sensor and contain inductive information to judge whether light needs to be emitted or not, and the controller can send carrier signals containing control information to the light-emitting lamp body. And the light-emitting lamp body is controlled to emit light. The wireless control device is connected with the controller in a wireless connection mode, the wireless control device comprises a voice input assembly, a user can input voice instructions to the wireless control device through the voice input assembly, and the wireless control device can control the controller to work in a wireless control mode and control the light-emitting lamp body to emit light through the controller. The wireless control device can be a common intelligent sound box in the market, and if the wireless control device is a millet sound box, the wireless control device can be connected to the miter system.

The invention relates to an integrated circuit for redundant inductive sensor coils. A system for inductive position sensing is described. The transmit coil may generate a magnetic field. The first set of receiver coils may pick up a first voltage signal from the magnetic field. The second set of receiver coils may pick up a second voltage signal from the magnetic field. The first inductive sensor and the second inductive sensor may have a fixed relationship. An integrated circuit (IC) may multiplex the first voltage signal and the second voltage signal to process one of the first voltage signal and the second voltage signal using one channel at a time. The IC may convert the first voltage signal to a first digital parameter and convert the second voltage signal to a second digital parameter. The IC may output the first digital parameter and the second digital parameter to trigger the at least one rationality checker to determine whether the first angular position and the second angular position satisfy a fixed relationship.

The utility model discloses an inductance encoder for a rotating motor, which relates to the technical field of encoders and comprises a signal receiving and demodulating module, the signal receiving and demodulating module comprises a rotor plate, a stator coil plate and a dual-channel induction inductance sensor chip, the rotor plate is connected with a rotating shaft portion of the rotating motor, and the stator coil plate is connected with the inductance sensor chip. The stator coil plate comprises an exciting coil and a receiving coil, non-contact electromagnetic induction is formed among the rotor plate, the exciting coil and the receiving coil, and the inductance sensor chip is used for demodulating amplitude modulation signals on the receiving coil and converting the amplitude modulation signals into sine and cosine signals; the signal processing module is used for receiving the sine and cosine signals output by the inductive sensor chip and processing the sine and cosine signals to obtain signal information; the signal decoding and outputting module is used for receiving the signal information and converting the signal information into angle position information of a motor rotor plate; the inductance encoder has the characteristics of high anti-interference capability, strong environmental adaptability and low cost.

This invention discloses an error-compensated inductive sensor calibration method and system, comprising: controlling a macro-micro composite drive platform to drive a moving component on which an inductive sensor to be calibrated is mounted, causing it to continuously move relative to a fixed standard target surface; measuring the actual displacement of the moving component to obtain a standard displacement sequence; synchronously acquiring the actual output voltage of the inductive sensor to be calibrated during the movement process to form an actual measurement value sequence; calculating the measurement deviation, generating a measurement deviation sequence, and dividing the sequence into at least three compensation intervals according to the displacement range; establishing a compensation value lookup table in each compensation interval to generate calibration parameters for correcting zero-point offset, gain drift, and nonlinear characteristics. This invention combines displacement measurement with synchronous acquisition of sensor output, enabling targeted correction of zero-point offset, gain drift, and nonlinear errors, thus improving the precision and adaptability of the compensation.

The aerosol-generating device includes: a main body including an insertion space for accommodating an aerosol-generating article; a heater for heating the aerosol-generating article accommodated in the insertion space; an inductive sensor generating a sensing value corresponding to a distance from the magnetic body; and a control unit that is electrically connected to the inductive sensor and that compares the sensed value with a reference value as a determination reference to determine the degree of proximity of the magnetic body to the main body. The control unit is configured to calibrate the reference value using the sensing value as a reference so that the reference value maintains a predetermined difference in relation to the sensing value.

The invention relates to an inductive position sensor for detecting the position of an electrically conductive target (20) which can be moved over a printed circuit. The oscillator circuit induces an AC voltage in at least two receiver coils via a single transmit coil formed by a conductive spiral trace consisting of windings, occupying a surface having a width WE measured perpendicular to the path of movement of the target. Two receiving coils are nested and each formed by at least one conductive spiral trace consisting of at least one winding, at least one of the receiving coils occupying a surface of a width WR measured perpendicular to the path of movement of the target. A width WR of a surface occupied by at least one of the two receiving coils is greater than or equal to a width WR of a surface occupied by the transmitting coil.

The utility model discloses a recycling bin for percutaneous nephroscope operation perfusion flushing fluid, and relates to the field of percutaneous nephroscope operations, the recycling bin comprises a bin body, the top of the bin body is detachably connected with a sealing cover, the bottom of the sealing cover is fixedly provided with a sealing gasket, and the top of the sealing cover is provided with an inductive sensor body; and perspective windows are arranged on the front faces of the two sides of the barrel body, gauges are arranged on the front faces of the perspective windows, rolling wheels are fixedly installed at the bottoms of the two sides of the barrel body, and hydraulic cylinder bodies are arranged at the bottoms of the two sides of the barrel body. Through the arrangement of the barrel body and the perspective window, washing liquid can be stored and checked, the sealing cover is arranged, the recycling barrel can be sealed, the hydraulic cylinder body and the rolling wheels are arranged, the recycling barrel can be easily moved and stably fixed, meanwhile, the limiting plate and the spring are arranged, a drainage pipe can be limited and stored, and the recycling barrel is convenient to use. A communicating pipe and a connecting pipe are arranged, so that the drainage pipe can be detached, cleaned or replaced.

The invention relates to an inductive rotor position sensor device (5) for capturing a rotor angular position of a rotor (4) of an electrical machine (2), having a transmitter coil (8) for generating electromagnetic waves and a receiver coil (9) for capturing the electromagnetic waves which are generated by the transmitter coil (8) and are influenced by the rotor (4), and having a computing unit (11) which is designed to control the transmitter coil (8) and to evaluate the electromagnetic waves captured by the receiver coil (9) in order to determine the rotor angular position, wherein the coils (8, 9) and the computing unit (11) are arranged on a common printed circuit board (6). Provision is made for the coils (8, 9) to be arranged on a front side (7) of the printed circuit board (6) and for the computing unit (11) to be arranged on a rear side (10) of the printed circuit board (6) facing away from the front side (7).

The utility model provides an AGV forklift goods detection stabilizing device, and belongs to the technical field of automatic guided vehicles. The device comprises a fixing plate, a main goods detecting part, a central goods detecting part, an auxiliary goods detecting part and a control unit. The main goods detecting part comprises two goods detecting assemblies, each goods detecting assembly is provided with a fixing frame, a goods detecting baffle, an elastic limiting piece and a first proximity switch, and when the included angle between the goods detecting baffle and the fixing frame is smaller than or equal to 5 degrees, a first detecting signal is output; the central cargo detection part comprises an inductive sensor, detects the cargo insertion state and outputs a second detection signal; the auxiliary goods detecting component comprises a second proximity switch, and when goods enter the sensing range, a third detection signal is output. The control unit receives the three paths of signals at the same time, and outputs a signal of detecting goods in place only after the three paths of signals are all continuously conducted for at least preset time. According to the utility model, the cargo insertion stability is ensured through multiple detection mechanisms, and the safety and reliability of the operation of the AGV forklift are improved.

The utility model discloses an automatic dynamic scanning detection device of aging test product, include: rack, detection bin, inlet and outlet, three color warning light, touch controller, carrier platform, carrier positioning block, carrier inductive sensor, safety grating, translation drive module, bar light source, main light source, visual camera. Through above -mentioned mode, the utility model discloses an automatic dynamic scanning detection device of aging test product can detect multiple products simultaneously, not only reduces the operation and work pressure of personnel, greatly improves the efficiency of test, and improves the productivity, and effectively improves the accuracy and safety of test, satisfies different use demand.

This invention relates to an inductive sensor device for detecting changes in the position of an actuating element. The sensor device comprises: - an LC resonant circuit having an inductive element (L) and a capacitive element (C); - an excitation supply for exciting the LC resonant circuit by coupling an excitation voltage (U) to the LC resonant circuit; - a decoupling element arranged between the excitation supply and the LC resonant circuit; and - an evaluation device for evaluating signal attenuation in the resonant circuit. The invention also relates to an actuation device.

The invention discloses a stator assembly and a magnetic suspension rotary table, and relates to the technical field of motors, the magnetic suspension rotary table comprises a rotor, the stator assembly comprises a stator body and at least two inductive sensor groups, and the stator body is arranged around the periphery of the rotor; the at least two groups of inductive sensor groups are arranged at intervals along the axis direction of the stator body, and the inductive sensor groups are respectively used for detecting central position offset of different axial positions of the rotor; wherein each inductive sensor group comprises a radial sensor and an axial sensor; the radial sensor in each inductive sensor group is used for detecting the rotor center radial displacement of the rotor at the axial position corresponding to the inductive sensor group, and the axial sensor in each inductive sensor group is used for detecting the rotor center axial displacement of the rotor at the axial position corresponding to the inductive sensor group. Therefore, the problem that the rotor displacement detection precision is affected by signal coupling of rotor deflection and axial movement is solved, and the detection precision is improved.

The utility model discloses a textile machine with the number of warp stopping pieces adjustable on a line, which belongs to the field of knitting accessories and comprises a machine body, a plurality of warp stopping strips arranged side by side are arranged on the machine body, each warp stopping strip is provided with a plurality of warp stopping pieces, matching grooves and yarn penetrating holes are arranged on the warp stopping pieces, and the yarn penetrating holes are arranged below the matching grooves. The length of the matching groove is larger than the height of the warp stopping strip, the width of the matching groove is larger than the thickness of the warp stopping strip, the warp stopping piece is arranged on the warp stopping strip in a sleeving mode through the matching groove, and warp penetrates through the yarn penetrating hole to enable the warp stopping piece to be suspended on the warp stopping strip. An inductive sensor capable of inducting whether the warp stopping sheet falls on the warp stopping strip or not is arranged below the warp stopping strip; the device further comprises a plurality of filler strips, the filler strips can be cushioned on the side-by-side warp stopping strips at the same time, the filler strips can be inserted into the matching grooves, and the sum of the heights of the warp stopping strips and the filler strips is slightly smaller than the length of the matching grooves. By means of the structure, it can be guaranteed that the width of a product produced by the textile machine can be adjusted without disassembling or installing the warp stopping piece, and the textile machine cannot be shut down.

The application discloses a balance car and a support framework thereof, wherein the support framework is provided with a strain sensor, the strain sensor comprises a first mounting portion and a second mounting portion which are respectively arranged at left and right sides of the support framework, a first horizontal strip for detecting deformation of the support framework is arranged between the first mounting portion and the second mounting portion, and the first horizontal strip is provided with a first strain gauge capable of sensing deformation of the first horizontal strip. Through the arrangement of the first mounting portion and the second mounting portion in the inductive sensor, a force arm with a certain length is formed, the torsional deformation on the support framework is enlarged, the data signal measured by the first strain gauge is increased, the first strain gauge is more likely to detect the torsion of the support framework more accurately, the turning control is more sensitive, and the turning experience of the balance car is good.

Described herein is a circuitry for use with an inductive sensor. The inductive sensor comprises: a transmitter coil and two back-to-back connected receiver coils for receiving signals induced by a magnetic field generated by the transmitter coil when excited; and a movable conductive target for influencing the magnetic field. In particular, the circuitry is configured for generating a sequence of pulses for discontinuously exciting the transmitter coil.

A position detection device detects a position of a rotating body that is provided around a predetermined axis center with respect to a fixed body. A target is fixed to the rotating body. An inductive coil is fixed to the fixed body at a position facing the target in an axial center direction. The transmitting and receiving circuit applies an alternating current to the inductive coil and detects a position of the target. A magnetic circuit section is formed around the axis center and is fixed to the rotating body. A magnetic detection section is fixed to the fixed body and provided in region on a radially inner side than an inner circumferential surface of the magnetic circuit section. The target, the inductive coil, and the receiving and transmitting circuit constitute an inductive sensor, and the magnetic circuit section and the magnetic detection section constitute a magnet-type rotation angle sensor.

Steering angle sensor (1), comprising: a encoder wheel (3) which is driven by a steering shaft (2) and rotatably mounted about an axis of rotation (D), on which at least one magnetic encoder element (8a) and at least one inductive encoder element (9a) are each fixed for synchronous rotation with the encoder wheel (3); a magnetic sensor (8b) at rest with respect to the encoder wheel (3), which is configured to generate a first position signal by interaction with the magnetic encoder element (8a), which contains a first position information of the encoder wheel (3) and an inductive sensor device (9b) at rest relative to the encoder wheel (3), which is configured to generate a second position signal by interaction with the inductive encoder element (9a); an evaluation unit (12) electrically connected to the magnetic sensor (8b) and the inductive sensor device (9b), which is trained to determine and output a corrected position signal from the first position signal and the second position signal; characterized in that the inductive sensor device (9b) is arranged between the magnetic sensor (8b) and the encoder wheel (3), that the inductive sensor device (9b) and the magnetic sensor (8b) are arranged on a common circuit board (7), one (7a) of which of two main surfaces (7a, 7b) faces the encoder wheel (3), and that the magnetic sensor (8b) is arranged on the remaining main surface (7b) facing away from the encoder wheel (3) and that the magnetic encoder element (8a) is permanent magnet and a magnetization direction (M) of the magnetic encoder element (8a) intersects a plane (E) orthogonal to the axis of rotation (D) at an angle α, where: 0° < α < 10° and the encoder wheel (3) has at least one hollow cylindrical extension (3a) for bearing support on the circuit board (7), in the cavity of which the magnetic encoder element (8a) and the inductive encoder element (9a) are accommodated.

The present invention relates to a rotary sensor (19) for a motor vehicle steering system, comprising a first encoder wheel (7) rotatable about a first axis (L), and at least one second encoder wheel (8) engaged with it in a gear mesh and rotatable about a second axis (A) parallel to the first axis (L), wherein the first encoder wheel (7) has at least one segment-shaped first target element (72) and the second encoder wheel (8) has at least one segment-shaped second target element (82), and The first encoder wheel (7) is associated with a first inductive sensor device (5) arranged axially relative to it, and the second encoder wheel (8) is associated with a second inductive sensor device (6) arranged axially relative to it. To enable improved rotation angle measurement, the invention proposes that at least one of the target elements (72) be enclosed by a coaxial shielding element (9).

The invention discloses a cannula for surgical operation, a cannula recognition device and a surgical robotic.The cannula comprises a body and a detection part, the detection part is arranged on the outer wall face of the body, the detection part and an inductive sensor are oppositely arranged, the distance between the detection part and the inductive sensor is matched, and the distance between the detection part and the inductive sensor is matched with the distance between the detection part and the inductive sensor; the detection module is used for detecting whether the body is fixed in place and / or the type of the body; wherein at least the surface, facing the inductive sensor, of the detection piece is made of a metal material. The change of the inductance value is reflected as the oscillation frequency change of the inductive sensor. The oscillation frequency of the inductive sensor changes along with the change of the distance between the detection piece and the inductive sensor, and the oscillation frequency is represented as numerical value change after being processed by the inductive sensor chip. Besides, high-precision distance measurement can be provided through the inductive sensor, the measurement precision of the body position and the detection precision of the body type are improved, and the position of the sleeve can be fed back in real time through the inductive sensor.

A sensor interface configured to determine a thickness of plating on a wafer, including an inductance to digital converter (LDC) configured to receive an input from a coil sensor, and configured to convert the input to data, a microcontroller (MCU) configured to receive the data, a digital to analog convertor (DAC) configured to convert the data to an analog signal, and an amplifier configured to output a 0-10V analog signal. Further, a method of using the sensor interface including converting an oscillation frequency into data with the LDC, reading the data into the MCU, converting the data to an analog signal with the DAC, providing a selectable voltage offset and gain of the analog signal with the amplifier, outputting a 0-10V analog signal with the amplifier, and determining the thickness of plating on the wafer.

Systems and methods for a vehicle pedal assembly and an inductive sensor assembly thereof. The inductive sensor assembly includes a rotating inductive sensor target and a printed circuit board (PCB) located opposite the rotating inductive sensor target. The inductive sensor assembly includes a first inductive sensor circuit defined on the PCB. The first inductive sensor circuit includes a first coil circuit including a first coil having a first current in a first flow direction and a second coil having a second current in a second flow direction opposite the first flow direction. The first inductive sensor circuit is configured such that rotation of the rotating inductive sensor target causes a change in the first current and the second current within the first coil and the second coil.

Provided is an aerosol generating apparatus including: a heater configured to heat an aerosol generating article inserted into an accommodation space of the aerosol generating apparatus; a sensing module including at least one of an inductive sensor configured to detect a change in an inductance of the accommodation space or a temperature sensor configured to detect a change in a temperature of the heater; and a processor configured to: detect, via the sensing module, whether the aerosol generating article that is inserted into the accommodation space is at least partially moved from the accommodation space; and based on detecting that the aerosol generating article is at least partially moved from the accommodation space, control a power supply to the heater, based on at least one of the change in the inductance or the change in the temperature acquired via the sensing module.

An inductive sensor for detecting a position. In one example, the sensor includes an oscillator circuit which generates an AC voltage signal and couples it into an exciter coil, and a pair of receiving coils including first and second receiving coils which each form a repeating loop structure and whose arrangement forms a receiving geometry. The exciter coil is arranged to induce a signal in each receiving coil based on the coupled AC voltage signal. An evaluation circuit outputs a sensor signal that depends on the position to be detected, based on the signals induced in the receiving coils, and a movable coupling element influences the strength of the inductive couplings between the exciter coil and the receiving coils as a function of the position to be detected. The receiving coils are located in a geometrical position having an intermediate space between them and are electrically connected to each other.

The application provides a longitudinal feeding and double-transverse processing equipment and a full-automatic control method thereof, and belongs to the technical field of automatic processing. The equipment comprises a stock bin, a material track, a clamp, a feeding mechanism, a pneumatic cylinder, a right spindle box, a right spindle processing tool system, a left spindle processing tool system, a left spindle box and a control system. The real-time state of each component is recognized and signal feedback is performed through the setting of inductive sensors in each component. A control loop is formed by multiple groups of signals, action instructions are executed according to the automatic control process, and finally, the circulation control is completed. The application can realize the full-process automatic circulation processing of batch products.