85 results about "Inductive type" patented technology

The invention discloses an electromagnetic inductive type non-contact charging system and an aligning method thereof. The system comprises a ground electric energy emitting device and a vehicle-mounted electric energy receiving device, wherein the vehicle-mounted electric energy receiving device comprises a display module, a vehicle-mounted part controller, a vehicle-mounted wireless communication module, a vehicle-mounted electric energy receiving module, a battery and a vehicle-mounted receiving coil, and is arranged on a vehicle, the vehicle-mounted receiving coil is arranged below a chassis, the ground electric energy emitting device comprises a ground emitting coil, a ground electric energy emitting circuit, a driving module, a ground part controller and a ground wireless communication module, and is arranged on the ground, and the ground emitting coil is arranged on the top of the ground electric energy emitting device. On the basis of the traditional non-contact charging, a positioning aligning device taking the charging efficiency as the control target is added, so that an automatic optimizing function for the charging efficiency is realized; the system and the method are simple and easy to implement, and whether the current situation is suitable for charging or not can be judged only by monitoring the charging efficiency.

The invention provides a structure and method of its use comprising a filtering and interference suppression device (62), particularly of the broad band type, for an electric motor (34) comprising at least a first powering brush (16) for an armature commutator of the electric motor (34), of the type comprising a capacitor (64), one terminal of which is electrically connected to a strip conductor (38) that electrically powers the first brush (16) powering the armature commutator of the electric motor (34), and the other terminal of which is electrically connected to a ground strip conductor (58), connected, in turn, to the electrical ground (60) of the electric motor (34), characterized in that the capacitor (72) of the filtering and interference suppression device (62) is of the non-inductive type, and in that each of the non-inductive capacitors (72) is directly attached to a circuit board (73) comprising strip conductors, of which are at least one powering strip conductor (38, 40) for a brush and one ground strip conductor (58).

The invention provides a structure and method of its use comprising a filtering and interference suppression device (62), particularly of the broad band type, for an electric motor (34) comprising at least a first powering brush (16) for an armature commutator of the electric motor (34), of the type comprising a capacitor (64), one terminal of which is electrically connected to a strip conductor (38) that electrically powers the first brush (16) powering the armature commutator of the electric motor (34), and the other terminal of which is electrically connected to a ground strip conductor (58), connected, in turn, to the electrical ground (60) of the electric motor (34), characterized in that the capacitor (72) of the filtering and interference suppression device (62) is of the non-inductive type, and in that each of the non-inductive capacitors (72) is directly attached to a circuit board (73) comprising strip conductors, of which are at least one powering strip conductor (38, 40) for a brush and one ground strip conductor (58).

The invention discloses a gravity inductive type axis-counting device and a method for detecting the state of a tract district thereof, relating to a railway transport management device and a management method thereof. The gravity inductive type axis-counting device comprises an axis detector, an axis-counting information processing system, an input-output subsystem and a power supply, wherein the axis detector is composed of a wheel electronic detector and a gravity inductive type sensor unit; the wheel electronic detector consists of an axis-counting CPU unit, a signal processing unit, a sensor power unit and a state detecting unit; the axis-counting information processing unit comprises a CPU unit, a communication unit, and an I/O unit; and the input-output subsystem consists of a dynamic drive assembly unit, a relay and a button. In the method, a wheel signal is detected by a gravity inductive type sensor arranged on a rail, and is transmitted to the wheel electronic detector and the axis-counting information processing unit for processing, thus judging the state of the tract district. The invention has the advantages of accurate detection result, high reliability, scientific method and capability of realizing automatic judgment on the idle and occupied states of the tract district.

The invention provides a data processing method of an inductive type displacement sensor, for effectively reducing the calculation time complexity and the storage space complexity of a system. The method is accurate in data processing and is reliable and stable. The inductive type displacement sensor is composed of a sensing probe and a detection circuit. The sensing probe comprises a coil, and the detection circuit comprises a driving logic circuit, a switch tube Mn and a current-limiting resistor R which are connected with the coil to form a discharge loop, an analog-to-digital converter used for sampling, a driving circuit used for controlling the analog-to-digital converter to sample to obtain coil discharge waveforms, and a calculation circuit for obtaining an approach distance through calculating the discharge waveforms and outputting the approach distance. In the following content, an abbreviation IPS represents the inductive type displacement sensor, and ADC represents the analog-to-digital converter. The method comprises the following steps: 1, determining time constants of sampling of the ADC for two times; 2, establishing a high and low temperature search curve; 3, establishing a search table; and 4, the IPS calculating the approach distance in an online mode.

The invention provides a mine dust concentration measuring device which comprises a sensitive element, a control circuit module and an upper computer. The sensitive element comprises inductive type metal electrodes, the control circuit module comprises a measuring circuit, a signal conditioning circuit, an A/D switching circuit and a microprocessor, the sensitive element generates micro electric charge signals on the metal electrodes, the micro electric charge signals are processed through the measuring circuit, the signal conditioning circuit, the A/D switching circuit and the microprocessor in real time and then are transmitted to the upper computer, and the upper computer carries out information preprocessing and feature extraction, sets up a soft measurement model, and then outputs dust concentration measuring signals. The invention further provides a dust concentration measuring method. The mine dust concentration measuring device and the measuring method thereof have the advantages that the defects that measuring errors are large, influences of humidity are obvious, the service life is short and maintenance is inconvenient in an existing mine dust concentration measuring method are overcome effectively, accurate measurement data for coal mine improvement are provided, the borehole operation environment is improved, and the physical health of workers and the safety production of coal mines are protected.

A magnetic head for writing data to and reading data from a magnetic recording medium includes an inductive-type writer, an anisotropic magneto-resistive (AMR) reader, and a giant magneto-resistive (GMR) reader. The AMR reader is used to read data from “high magnetic flux” recording mediums which have been recorded for use with AMR sensors. The GMR reader is used to read data from “low magnetic flux” recording mediums which have been recorded for use with GMR sensors. As such, the magnetic head provides for backward compatibility between the previously prevalent “high magnetic flux” recording mediums and the expected future prevalent “low magnetic flux” recording mediums. The magnetic head may be configured such that the writer and the AMR and GMR readers share sensor shields in various configurations in order to carry out their writing and reading functions.

The invention provides an integrated type miniaturized round proximity switch. The integrated type miniaturized round proximity switch comprises a metal outer shell (1), a minitype inductive transducer, a switching circuit board, a socket (7), a micro inductive type approach transducer and switching circuit components, wherein the maximum outer diameter of the metal outer shell (1) is smaller than 23mm, the minitype inductive transducer is arranged in the metal outer shell (1) and is provided with a coil assembly (3), and the socket (7) is fixedly connected at the tail end of the metal outer shell. The micro inductive type approach transducer is formed by an inductive coil assembly (2) and an iron core, the opening end of the iron core is tightly attached to the inner bottom (9) of the metal outer shell of an inductive head, the inductive coil assembly is electrically connected with a switching circuit through two coil lead wires (4), the switching circuit components are composed of a receiving circuit board (5) and a voltage-stabilized source board (6), the switching circuit components are regarded at a unified independent body and are pasted and solidified in a rear cavity (10) of the metal outer shell through insulation glue. According to the integrated type miniaturized round proximity switch, the independent inductive transducer, an independent electronic component and an independent power source component are regarded as the unified independent body, the size is smaller than that of an independent miniaturized proximity switch in the prior art, and the size and the weight of a control box are reduced for a carrier.

An absolute position encoder comprises a scale and a detector overlaying the scale. The scale includes a periodic pattern of wavelength Wf and a code pattern having bit length Wcode. The detector includes a set of periodic pattern sensors and M sets of code pattern sensors. M is at least two. The configuration principles include: a) Wcode is larger than Wf and at most M*Wf, and b) the sets of code pattern sensors are located along the measuring axis at respective alignment positions configured such that as the code pattern moves in a single direction it moves by successive alignment intervals that are each at most Wf to align with successive alignment positions. Signal processing is provided to determine the absolute position based on the M respective sets of code detector signals and on spatially periodic signals arising in the periodic pattern sensing elements due to the periodic pattern.

Disclosed is a safe and convenient remote Internet-of-Things outdoor receiving device. The device comprises an electrically-controlled receiving box located outside a door, a gateway, a short-range control device and a remote terminal, wherein the short-range control device is connected with the electrically-controlled receiving box through the gateway in a controlled mode; the device further comprises a video intercom device which is located near the electrically-controlled receiving box, and the video intercom device comprises an inductive type triggering module and is in a data link with the short-range control device and the remote terminal through the gateway; the video intercom device is in a data link with the short-range control device and the remote terminal through the gateway; the video intercom device comprises a camera device, a voice device and a WIFI module; according to an intelligent receiving system on the basis of Internet of Things, short-range, remote and other non-contact type receiving functions can be achieved, real-time communication and monitoring are carried out through the video intercom device, not only are the receiving efficiency and reliability ensured, but also the privacy and security of recipients can be protected, the problem of unmanned receiving is solved, the system is intelligent and efficient, and the safe and convenient receiving of express items is achieved.

The invention discloses an on-line teletransmission display and alarm device for power operation equipment. The device comprises a high-voltage inductive type sensor device, a high-voltage charged display device, a display and alarm terminal and a wireless transmission device, wherein the high-voltage inductive type sensor device and the high-voltage charged display device are arranged at a transformer substation end; the display and alarm terminal is arranged at a local end; the wireless transmission device is arranged between the transformer substation end and the terminal; and the high-voltage inductive type sensor device, the high-voltage charged display device, the wireless transmission device and the display and alarm terminal are sequentially connected. According to the on-line teletransmission display and alarm device for power operation equipment, defects of small monitoring range, low reliability, poor accuracy and the like in the prior art can be overcome, so that the advantages of large monitoring range, high reliability and good accuracy can be realized.

The invention discloses a single-piston stroke inductive type resistance change damping structure which comprises a cylinder. A piston is arranged in the cylinder and provided with a piston rod. A through hole with an opening is formed in the piston rod. A diameter-variable damping rod is arranged in the through hole or a variable outer damping pipe is arranged outside the piston rod. The piston rod is sleeved with the variable outer damping pipe. Damping is changed through the change of gaps between the diameter-variable damping rod arranged in the through hole, the through hole and the opening of the through hole, and an imitated damping programming manner is adopted, or damping is changed through the change of the size of the exposed portion, between the variable outer damping pipe and the through hole, of the opening of the through hole, and therefore variable damping is achieved.

The invention discloses an inductive type sliding micrometer which is characterized by comprising a shell, a central support rod arranged in the shell, two groups of inductive coils arranged on the central support rod and spaced at a distance, elastic connecting rods arranged at two ends of the central support rod, sealing bases sleeved at the ends of the elastic connecting rods and sealed together with the two ends of the shell, wherein the sealing base at one end is in sealed connection with one end of a cable outlet base, the other end of the cable outlet base is in sealed connection with an air socket; and a measurement circuit board connected with the inductive coils. The inductive type sliding micrometer provided by the invention has the advantages of high sensitivity, high measurement precision, large measurement range, high stability, no mechanical abrasion, rapid location, convenience in operation and convenience in carrying. A probe cannot be contacted with a measuring mark in a measurement process. The inductive type sliding micrometer can be applied to a gauging pipe of a movable gradiograph and can work under a certain water pressure.

The invention relates to a high-power non-inductive wire-wound resistor, belonging to the field of a resistor in basic electrical component. The high-power non-inductive wire-wound resistor comprises a plurality of frameworks and resistance wires, wherein each framework comprises a mounting hole, a threading hole and a lead groove; and the resistance wires can be connected with the frameworks by a single-wire parallel winding method. The high-power non-inductive wire-wound resistor has the advantages of simple structure, convenience in winding, good heat dissipation, convenience in installation and low production cost, and is applicable to a high-power non-inductive type fixed resistor in a low-voltage passive filter device, a low-voltage active filter device, a high-voltage passive filter device and a high-voltage active filter device.

The invention relates to a coupling inductive type interleaving parallel Boost soft switch circuit. The circuit comprises a boost inductor, and the boost inductor employs two mutually coupled inductors to replace a common boost circuit in a conventional interleaving parallel Boost topology. Compared to the prior art, through switch tubes, zero-voltage switching (a duty ratio is greater than 0.5) and zero-current switching (the duty ratio is smaller than 0.5) are realized, such that switch loss is reduced, and circuit total efficiency is improved; and a soft switch effect is realized by use of a coupling inductive leakage inductor, no additional auxiliary elements are added, and no influences are caused to the power density of a converter.

The present invention discloses a magnetic field inductive type photocatalytic reactor and a degradation use method therefor. The magnetic field inductive type photocatalytic reactor comprises a micro inductive light source, a reaction tank and alternating magnetic fields, wherein the micro inductive light source is arranged inside the reaction tank and the reaction tank is arranged inside the alternating magnetic fields; and the alternating magnetic fields, by means of electromagnetic induction, enable the micro inductive light source to emit light to form the inductive photocatalytic reactor of the alternating magnetic fields and optical coupling effect. The light source of a catalytic reactor can generate illumination in a reaction liquid without the need of an external power line; meanwhile, the light source has high mass-transfer efficiency in the reaction liquid and has low energy consumption and high energy efficiency.

The invention provides an intelligent inductive type urban stereoscopic plant wall. The stereoscopic plant wall includes a mesh frame, a drive module, a sensing module and a control module. Several transverse profiles and several vertical profiles are criss-cross to form plant grids for placing plants, the plant grids are internally provided with plant brackets, and plant blocks are installed on the plant brackets. The drive module is connected with the plant brackets, and according to an instruction of the control module, the plant brackets are driven to stretch out and draw back or rotate. The sensing module is used for obtaining rainfall information and wind speed information in the outside environment and outside environment information, and the control module is electrically connectedwith the drive module, forms the control instruction according to information collected by the sensing module and controls the drive module to drive the plant brackets to stretch out and draw back orrotate. According to the technical scheme, self-repair and self-maintenance of the urban stereoscopic plant wall are achieved, the maintenance problem of an urban stereoscopic plant wall in dangerousareas in the prior art is solved, self-repair and self-maintenance of the urban stereoscopic plant wall can be achieved, the plant wall thus can be applied in a wide range of scenarios, and intelligent management can be achieved by slightly transforming an existing stereoscopic plant wall.

The present invention of a controller of contact inductive type using optical principle for controlling a pointer on a display screen includes an optical element, an inbound light source for illuminating the optical element, and a motion transducer for receiving the reflected light from the optical element. The optical element is a lens component having the characteristics of total internal reflection. The optical element having a light source area, the inbound light source enters the optical element through the light source area. An Intensified structure is located on the bottom of the optical element for intensifying the refraction and reflection percentages of the light inside the optical element, in order to utilize the light at a higher ratio. The inbound light source is finally reflected to a contact surface on top of the optical element for placing the portion of the tip of a human digit. An array of micro structure is located on the contact surface for intensifying the brightness of the reflected light from where the portion of the tip of the human digit is placed, the light is then directed to the motion transducer through a surface on the bottom of the optical element.

The invention relates to a touch inductive type glass password attendant box with a voice prompt function. The touch inductive type glass password attendant box with the voice prompt function comprises a panel and a control chip; the panel is provided with a plurality of functional areas which comprise the attendant functional operation area, the password keyboard area and the key arousing area, and the attendant functional operation area, the password keyboard area and the key arousing area are connected with the control chip; and the attendant functional operation area comprises a pluralityof functional keys, the key arousing area is activated after being triggered and then activates the functions of the password keyboard area, and then the password keyboard area decides whether to activate the attendant functional operation area or not by verifying a received password signal. The invention further provides a control method of the control box. Compared with the prior art, the touchinductive type glass password attendant box with the voice prompt function is attractive and decent in appearance and high in variability and can set the corresponding attendant functions according tothe requirements of customers through the self-reset key, the self-locking key and the like; the box is unlocked through passwords instead of an original key lock; users can operate the box more conveniently due to the user-friendly password setting mode, and the safety performance of the product is improved; and the rate of finished products is increased.

Disclosed is a magnetic inductive type position sensor, the position sensor including at least one rotor body coupled to a rotation shaft to rotate in association with rotation of the rotation shaft and having a plurality of protrusively and circumferentially formed wing members, a PCB arranged in opposition to the rotor body, and a guide member connecting each distal end of the wing members to guide each of the wing members to be aligned on the same planar surface.