75 results about "Electric probe" patented technology

A revised universal base structure which is adapted for use in manufacturing various different versions of an electromechanical game using the same base structure. The base structure provides a network or grid of recessed areas above which a ground plate may extend. The recessed areas are formed as small squares and various small playing pieces are receivable in the recesses so that they can be retrieved by players during the course of game play. However, the base structure can be used with various uniquely different ground plates and unique upper boards to form various different embodiments of the differing games.

In order to develop an electric probe for microsurgery, which is provided in particular in ophthalmology for intraocular treatments of the eye, in such a way that the probe is constructed in a simple manner, can be produced inexpensively, is easy and safe to handle, and at the same time can be used for multiple functions as an illuminated intraocular probe, it is suggested that the electric probe comprises an outer electrode, an inner electrode and a light guide. The inner electrode has a contoured electrode end face and projects out over a front end of the light guide or is embedded in the light guide so as to terminate with it. When the electrodes and light guide are constructed cylindrically, the hollow space remaining between the electrodes and the light guide is provided as a suction channel for sucking out tissue particles, and in various embodiment forms, including an embodiment as an illuminating endoprobe, the electric probe is connected to an operating and controlling device by which pre-defined, changeable parameter sets which are adapted depending on the probe characteristics can be adjusted and retrieved.

In order to develop an electric probe for microsurgery, which is provided in particular in ophthalmology for intraocular treatments of the eye, in such a way that the probe is constructed in a simple manner, can be produced inexpensively, is easy and safe to handle, and at the same time can be used for multiple functions as an illuminated intraocular probe, it is suggested that the electric probe comprises an outer electrode, an inner electrode and a light guide. The inner electrode has a contoured electrode end face and projects out over a front end of the light guide or is embedded in the light guide so as to terminate with it. When the electrodes and light guide are constructed cylindrically, the hollow space remaining between the electrodes and the light guide is provided as a suction channel for sucking out tissue particles, and in various embodiment forms, including an embodiment as an illuminating endoprobe, the electric probe is connected to an operating and controlling device by which pre.-defined, changeable parameter sets which are adapted depending on the probe characteristics can be adjusted and retrieved.

A stimulation probe system includes a light integrating chamber with a reflecting inner surface. A plurality of LEDs is mounted to introduce emitted light into the light integrating chamber. Each LED produces a different wavelength of light with the plurality of LEDs producing a range of light wavelengths. A hand-held probe includes a circular opening in communication with the chamber positioned to supply light from the chamber to the surface of a body. Electrical circuitry is programmable to activate one or more of the LEDs to produce substantially any light wavelength in the range of light.

The invention discloses a photoelectric probe for detecting laser plasma. The photoelectric probe comprises photoconductive fiber, a sealed cavity and conductive wires; the photoconductive fiber is led out from the sealed cavity; an optical probe with a hollow tube is arranged at a centre position at the other end of the sealed cavity; an electric probe is arranged at the position parallel to theposition of the optical probe; the electric probe is a tungsten rod; a ceramic wrapping layer is arranged at the outer periphery of the tungsten rod; and the front end part of the tungsten rod is an exposed tungsten electrode of 2-5 mm. A use method of the photoelectric probe comprises the following steps of: processing the acquired spectral signals, labeling exciting elements of each exciting line of a spectrum chart, and calculating a plasma temperature by using a Boltzmann chart method or relative light intensity method; analyzing and calculating the plasma temperature according to a plasma sheath theory based on electric signals; and performing mutual comparison and confirmation. According to the photoelectric probe and the use methodprovided by the invention, an optical detection method and an electrical detection method can be organically combined, so that the multidimensional photoelectric information synchronous detection with high spatial and temporal revolution is carried out on the plasma in the laser welding process; moreover, the photoelectric probe can also be used for detecting a volatile plasma dynamic process and arc plasma.

An apparatus and a method for measuring the gravitational acceleration on the ground, for example adapted to geophysical explorations applied to mining, comprising a base frame (31), a resonator (10) having a first disc of sapphire (2) integral to said base frame (31), an a second disc of sapphire (1) arranged at a minimum distance from said first mass (2) and aligned vertically with respect to said first mass (2) such that said first and said second disc (1 and 2) form a resonator for electromagnetic signals (10); a cantilever arm (41) connected to said base frame (31) and holding resiliently the second disc (1) in order to provide a steady elastic modulus; a magnetic probe (11) for applying an electromagnetic signal to said resonator (10) arranged according to a plane existing between the two discs (1 and 2); a linear electric probe (12), arranged under the fixed disc (2) aligned vertically with respect to its side edge, for measuring a resonance frequency of said resonator responsive to said electromagnetic signal, means for correlating the variation of said resonance frequency to a variation of distance between said discs (1 and 2), and means for correlating the variation of distance to local gravitational acceleration. The support (7) has variable length for adjusting the unexcited distance d between the discs (1 and 2). Preferably, a first (10) and a second resonator are provided as above defined coupled and mounted on two respective base frames integral to each other for measuring the gravitational acceleration gradient in a vertical direction. Furthermore, the resonators are contained in a closed box in which vacuum conditions are created.

The system utilizes electroscan equipment including a voltage source and current meter with a cable having one end grounded and one end having an electric probe thereon sized to fit within an underground pipe. The probe is able to complete an electric circuit back to ground when the probe is adjacent a defect through which electric currents can pass, thus producing varying electric current. A cable reel is provided with portions of the cable supported thereon and with a cable distance sensor coupled to the reel along with the current meter and voltage source in the form of a battery. The current meter and distance sensor transmit wireless signals to an on-site processor, such as a smartphone, for on-site data evaluation. Such unconditioned data is also transmitted to a remote location for conditioning of the data and retransmission of the conditioned data back to the on-site processor.

The invention discloses an electric probe comprising a probe body, a probe adjusting mechanism and a power mechanism. At least two groups of probe needles are arranged on the probe body, and each group comprises at least one probe needle; the probe body is connected with the probe adjusting mechanism; and the power mechanism is adopted to provide power for the probe adjusting mechanism so as to adjust the distance between the probe needles on the probe body. The electric probe provided by the invention adopts electric power as the power mechanism for driving the distance between the probe needles so as to displace the prior probe which depends on hands and fingers to adjust the distance between the probe needles on the probe. The electric probe has the advantages of convenient adjustment and accurate control, and can be connected with various common testing meters such as oscillometers, LRC element testers and circuit analyzers and the like to form novel testing meters.

The system utilizes electroscan equipment including a voltage source and current meter with a cable having one end grounded and one end having an electric probe thereon sized to fit within an underground pipe. The probe is able to complete an electric circuit back to ground when the probe is adjacent a defect through which electric currents can pass, thus producing varying electric current. A cable reel is provided with portions of the cable supported thereon and with a cable distance sensor coupled to the reel along with the current meter and voltage source in the form of a battery. The current meter and distance sensor transmit wireless signals to an on-site processor, such as a smartphone, for on-site data evaluation. Such unconditioned data is also transmitted to a remote location for conditioning of the data and retransmission of the conditioned data back to the on-site processor.

The invention relates to the technical field of impact compression loading, in particular to a shock wave time calibration device and method for a shock test. The calibration device comprises a controllable high-speed emitting device, a target chamber and a signal collecting device, wherein the target chamber is a vacuum target chamber; an experiment target is arranged in the target chamber; the experiment target comprises a substrate, a fixed column, an optical probe and an electric probe; a light-emitting gap is formed between the substrate and the fixed column; the optical probe and the electric probe are connected with the signal collecting device; and the controllable high-speed emitting device is used for driving a flyer to impact the left side wall of the substrate. According to thecalibration device and method, two waveforms generated according to signals detected by the electric probe and the optical probe are comparatively analyzed, and a more accurate waveform data graph isselected to finally judge a time point when a shock wave enters a sample, so that an important parameter, namely, the time point when the shock wave enters the sample can be more accurately calibrated, and follow-up experiment data is more reliable and effective.

The related self-short coaxial shock-wave electric probe comprises: an Al alloy bar with one end as semi-sphere and another end as plane. Wherein, the semi-sphere end covers 6-12um Al2O3 insulation film with 3-5um Ag-conductive film arranged a ring as the plane end and welt external electrode. The probe is prepared by mechanical polishing, chemical descaling and polishing, anodizing and chemical depositing film. This invention has well impact response, compatibility and repeatability.

A gas turbine engine comprises a hot section module which includes at least one electric probe assembly surrounded by an immediate environment having a local ambient temperature. The at least one electric probe assembly includes an electric probe having a probe body, and a conduit surrounding at least a portion of the probe body. In operation, the conduit carries a fluid flowing at a temperature lower than the local ambient temperature. The at least portion of the probe body is embedded in the fluid inside the conduit. The fluid thermally insulates the probe body from the local ambient temperature of the immediate environment around the at least one electric probe assembly.

The invention discloses a device for material high-speed stretch test, which is characterized by including a gaseous gun tube for shooting pill at high speed. And the outlet of the gaseous gun tube is fixedly provided with a foundation bed, and the foundation bed is provided with a central hole coaxial with the gaseous gun tube, wherein, at least three test piece fixing holes are evenly distributed around the central hole on the head face of the foundation bed; and the axes of the test piece fixing holes are parallel with the axes of the central hole; a sleeve is coaxially and fixedly arranged within the central hole; a flat target plate fixedly connected with a test piece is vertically arranged at the other end of the sleeve; a 1st speed measuring electric probe for measuring the pill speed is arranged at the side wall of the sleeve; and a 2nd speed measuring electric probe for measuring the stretching speed of the test piece is arranged at the outer side of the flat target plate. The invention has the advantage of giving full play to the capacity of gaseous gun tube driving the pill at high speed, pulling a plurality of stretching test pieces by the impact of pills to the flat target plate, and satisfies the requirements for precise determination of critical impact stretching speed of various materials under random factors.

The system utilizes electroscan equipment including a voltage source and current meter with a cable having one end grounded and one end having an electric probe thereon sized to fit within an underground pipe. The probe is able to complete an electric circuit back to ground when the probe is adjacent a defect through which electric currents can pass, thus producing varying electric current. A cable reel is provided with portions of the cable supported thereon and with a cable distance sensor coupled to the reel along with the current meter and voltage source in the form of a battery. The current meter and distance sensor transmit wireless signals to an on-site processor, such as a smartphone, for on-site data evaluation. Such unconditioned data is also transmitted to a remote location for conditioning of the data and retransmission of the conditioned data back to the on-site processor.

A microsecond-level multi-channel synchronous detonation time high-precision measurement method, including an electric probe, a low-noise cable, a voltage conversion circuit, a pulse shaping circuit and a data acquisition system, wherein the connection method is: one end of the electric probe is fixed on the For each channel to be measured in the test, the other end is connected to the low-noise cable, the low-noise cable is connected to the signal input end of the pulse shaping circuit, and the signal output end of the pulse shaping circuit is connected to the data acquisition system; The forming circuit supplies power, the test is ignited and detonated, the electric probe is naturally turned on under the action of detonation, the pulse forming circuit will transform the switch state of the electric probe into a positive pressure pulse signal with a certain timing, and convert the positive pressure The pulse signal is input to the data acquisition system, and the synchronous detonation time of each channel can be obtained by reading the time of the positive pressure pulse signal.

The invention discloses a three-in-one photoelectric probe suitable for an impact and detonation experiment. The photoelectric probe consists of a self-focusing rod, a copper sleeve, an optical fiber and a copper conductive wire, and can be used for achieving the functions of a laser Doppler velocity measurement probe (PDV probe), an optical fiber probe needle and an electric probe needle at the same time. The probe disclosed by the invention is suitable for velocity continuous measurement and arrival time measurement of fly layer front-interface micro-spray particles and a main body in the impact and detonation experiment, and can be used for achieving simultaneous comparison measurement of laser interference velocity measurement, the optical fiber probe needle and the electric probe needle. The three-in-one photoelectric probe can be applied to the field of studies on high-pressure physical characteristics of materials, and has wide application prospects in the field of studies on shock wave physics, detonation physics, hydrodynamics and the like.

The invention provides a measuring device for the axial load of a column-shaped explosion container. The measuring device comprises a column shell, two flat plate end sockets, an explosive, an electric probe, screw rods, nuts, a strain gauge and a detonator, wherein the two flat plate end sockets are arranged on two ends of the column shell and provided with circular grooves, the explosive is placed on the center of the column shell, the electric probe adheres to the surface of the explosive, the screw rods and the nuts are used for fixedly connecting the two flat plate end sockets with the column shell, the strain gauge adheres to the screw rods, the detonator is used for detonating the explosive, the electric probe is connected with an oscilloscope through an explosion velocity instrument, and the strain gauge is connected with the oscilloscope through a strain instrument. According to the measuring device and the measuring method provided by the invention, scaling model examination can be performed on a large size column-shaped explosion container according to an explosion similarity law, so that the intensity designs of the end sockets and the screw rods are optimized, the experiment cost is low, and the practicability is high. The measuring device provided by the invention has an important significance for knowing the axial load of the column-shaped container under the action of internal explosion, and is simple in experiment principle and easy to operate.

A microcontactor probe has an insulator (6, 7) formed with a support hole (8, 9) having an open end and a close end, a lead conductor (11) exposed inside the support hole (8, 9) at the close end, and a resilient conductive assembly (2, 3, 4) fitted in the support hole (8, 9) and kept from falling. The resilient conductive assembly (2, 3, 4) includes a first plunger (3) exposed outside at the open end, a second plunger (4) contacting the lead conductor (11), a tubular conductor portion (15b) on one (4) of the first and second plungers (3, 4), a stem part (3a) of the other one of the first and second plungers, at least a portion of the stem part establishing a substantially concentric relationship with the tubular conductor portion (15b) at least during a probe operation, the concentric relationship of the tubular conductor portion (15b) with the stem part (3a) minimizing resistance and induction during a probe operation, and a coil spring fitted on the first and second plungers, the coil spring (2) having a connected tight wound portion (15a) fixed to said one (4) of the first and second plungers (3, 4) at a fixed part (P) for conduction, the tight wound portion (15a) slidably contacting said other (4) of the first and second plungers (3, 4), whereby the tight wound portion (15a) minimizes resistance and induction during a probe operation.

A control apparatus comprises a housing and is adapted to control a hearing device by recognising predefined gestures made by the device wearer by moving one arm and / or or hand relative to the housing when the housing is in an operating position at or on the wearer's body. The housing comprises a reference electrode coupled capacitively to the wearer when the housing is in the operating position and a first sensor electrode. The control apparatus further comprises: a first signal generator to provide a first electric probe signal between the first sensor electrode and the reference electrode; a first measurement circuit to determine first signal values in dependence on the impedance between the first sensor electrode and the reference electrode; a detector to recognise gestures in dependence on the first signal values; and a control unit to provide control commands to the hearing device in dependence on recognised gestures.

The system utilizes conductivity equipment as well as a camera, pressure sensor, and acoustic hydrophone within a probe deployed via cable into a pipe to be inspected. The probe completes an electric circuit back to ground when the probe is adjacent a defect through which electric currents can pass, thus producing varying electric current. The camera, incorporated into the electric probe, is utilized for both inspection and navigation through the pipe by providing a close-circuit video data feed. The pressure sensor detects alterations in the pressure and flow field of the fluidic region in the area of a leak. The acoustic hydrophone listens for the sound leaks in a pressurized pipeline. The inspection device is tethered to a cable and inserted a measured distance into the pipeline, typically with the pipeline under pressure, via a launch tube. Multi-sensor data versus pipeline position is thus obtained.

The invention provides a research and test system and method of microwave dielectric characteristics of a material in a strong electromagnetic field environment. The system comprises three parts, a compression type resonant cavity excitation part A, a resonance system part B and a microwave resonance parameter extraction part C, wherein the compression type resonant cavity excitation part A comprises a signal source; the resonance system part B comprises a compression type resonance cavity, an SMA adapter, an electric probe and a coupling ring; the microwave resonance parameter extraction part C comprises a band stop filter and a vector network analyzer; the compression type resonance cavity can realize simulation of high-power environment experiments with a low-power source, and the cost of the experiment research through direct use of the high-power source is greatly reduced; introduction of the band stop filter enables an excitation power signal and a test power signal to be separated, accordingly, the research error of an experiment test can be deducted, and the reliability of test and research results is improved. The system can realize rapid test and research of a small sample at multi-frequency points, and the research and development cycle of a microwave material applied to a high-power microwave system is shortened.

The system utilizes conductivity equipment as well as a camera, pressure sensor, and acoustic hydrophone within a probe deployed via cable into a pipe to be inspected. The probe completes an electric circuit back to ground when the probe is adjacent a defect through which electric currents can pass, thus producing varying electric current. The camera, incorporated into the electric probe, is utilized for both inspection and navigation through the pipe by providing a close-circuit video data feed. The pressure sensor detects alterations in the pressure and flow field of the fluidic region in the area of a leak. The acoustic hydrophone listens for the sound leaks in pressurize pipes may create. The inspection device is tethered to a cable and inserted a measured distance into the pipeline, typically with the pipeline under pressure, via a launch tube. Multi-sensor data versus pipe position is thus obtained.

An apparatus controlling a hearing device to recognize wearer gestures when the housing is in an operating position. Reference electrode coupled capacitively to a body area. Signal generator provides an electric probe signal between the sensor electrode and the reference electrode; a first measurement circuit determines the impedance between the sensor electrode and the reference electrode; a detector recognizes said gestures in dependence on the signal values; a control unit provides commands to the hearing device in dependence on recognized gestures. The signal generator provides the electric probe signal at multiple signal frequencies; the measurement circuit determines the signal values at multiple signal frequencies; and the detector recognizes the gestures in dependence on changes in ratios between the signal values determined at different signal frequencies.

The invention relates to a method for measuring the non-extensive parameters of plasma electrons. According to the method, the non-extensive parameters of plasmas are measured by adopting non-extensive statistical mechanics and an electric probe; the plasmas are described by the non-extensive statistical mechanics, and a non-extensive electric single probe (measurement) theory is established on the basis of the non-extensive statistical mechanics; and electronic non-extensive parameters which cannot be measured by a traditional electric single probe are measured by applying the non-extensive electric single probe; and electronic temperature, plasma potential, electron density and suspension potential which are more accurate than those obtained by the traditional single probe are obtained.With the method provided by the technical schemes of the invention adopted, the non-extensive electric probe plays a role in plasma diagnosis, the non-extensive performance of the plasmas is measured,and the diagnosis precision of other plasma parameters is improved.

A gas turbine engine comprises a hot section module which includes at least one electric probe assembly surrounded by an immediate environment having a local ambient temperature. The at least one electric probe assembly includes an electric probe having a probe body, and a conduit surrounding at least a portion of the probe body. In operation, the conduit carries a fluid flowing at a temperature lower than the local ambient temperature. The at least portion of the probe body is embedded in the fluid inside the conduit. The fluid thermally insulates the probe body from the local ambient temperature of the immediate environment around the at least one electric probe assembly.

The invention discloses an electric probe for shock wave measurement and a making method thereof. The electric probe is mainly composed of a metal capillary tube, an enameled wire, a metal lead and aheat shrinkable tube, wherein one end of the enameled wire is coated with an insulating coating and is arranged in the metal capillary tube in a passing mode, the top part is coated with a conductiveadhesive for being cured and fixed and the tail part is bonded and fixed by using a resin adhesive; the other end of the enameled wire is subjected to painting scraping and tin immersion; the metal lead is wound on the tail part of the metal capillary tube and is sleeved with heat shrinkable tube for being fixed; the metal lead and the enameled wire are used as two electrodes of the electric probeand after passing the inspection, a high-sensitivity shock wave measurement-used electric probe is achieved. The electric probe has good shock wave response, the response time can reach a nanosecondorder, the response range is wide from a dozen GPa to hundreds of GPa, the size is small, the mounting steps are simple, the use is convenient, the making cost is low, and the research cost can be significantly reduced.

The invention provides a three-mode rectangular waveguide bandpass filter, comprising two cubic rectangular waveguide resonators, wherein, two L-shaped coaxial excitations with the same structure, a cross-shaped coupling window, an electric probe and six tuning screws are arranged in the two cubic rectangular waveguide resonators; the cubic rectangular waveguide resonators are provided with two L-shaped coaxial excitations, a cross-shaped coupling window and six tuning screws. The L-shaped coaxial excitation consists of a vertical excitation bar and a horizontal excitation bar, the end of thevertical excitation bar penetrates the upper surface of the cubic rectangular waveguide resonant cavity, and the other end is fixedly connected with the horizontal excitation bar; The cross-shaped coupling window consists of a horizontal coupling window and a vertical coupling window, and is fixedly arranged between adjacent cavity walls of two cubic rectangular waveguide resonators. The electricprobe and the cross-shaped coupling window form a hybrid coupling structure; Three parallel topologies are formed by L shaped coaxial excitation and hybrid coupling, so that four transmission zeros are obtained and frequency selectivity is improved. The invention has simple structure and realizes miniaturization design of the filter.

Two embodiments of marine geo-electric probe methods for hydrocarbon deposits survey comprise—excitation of electromagnetic field in a surveyed medium by transmitting two rectangular current pulses therethrough, the first—during forward traveling of a probe device along a profile and the second—during backward traveling thereof,—measuring instant values of the first and second electric potential differences during the time between the pulses, wherein, the equal-zero condition of the electric potential differences along the profile is ensured,—calculating three sets of normalized electrical parameters based on difference values,—solving an inverse problem via a differential equation for the dipole source voltage in an electrochemically polarizable medium using the parameters,—producing data according to said electrical parameters, and—determining conductivity of the medium, induced-polarization factor and decay time constant of the polarization potential difference. The first embodiment is deployed for circular survey profiles, the second is for linear profiles.

The invention provides an electric probe cleaning device for an axle case inner cavity, and belongs to the field of machinery manufacturing. The electric probe cleaning device for the axle case inner cavity comprises a support assembly, a linear guide rail assembly, a probe pipeline assembly and an electric pushing and pulling assembly, wherein the linear guide rail assembly is put onto a bottom plate arranged in the support assembly, the left end of the probe pipeline assembly is connected with the lower side of a fixed connecting plate arranged in the support assembly, the right end of the probe pipeline assembly is connected with the lower side of an L-shaped slide block arranged in the linear guide rail assembly, the left end of the electric pushing and pulling assembly is connected with the upper side of the fixed connecting plate arranged in the support assembly, and the right end of the electric pushing and pulling assembly is connected with the upper side of an L-shaped support frame plate. The electric probe cleaning device has the advantages that the cleaning automation degree of the axial case inner cavity can be improved, the work efficiency and the low-speed operation stability of the probe can be improved, the work intensity and the work noise can be reduced, the structure is simple, and the manufacturing and the installation are easy.

The invention discloses a detection device for an LED (Light Emitting Diode) light bar. The detection device comprises an absorbing moving component, an optical detector, a conveying roller component, an electric detector, an electric probe and a conveying belt component, wherein the absorbing moving component is used for absorbing the LED light bar and conveying to a detection inlet; the optical detector is used for detecting the LED light bar; the conveying roller component is arranged at the lower end of the optical detector and is used for limiting the LED light bar; the electric detector is arranged at the lower end of a limiting conveying component; the electric probe is connected with the electric detector and is in contact with the LED light bar; the conveying belt component is used for receiving the detected LED light bar. The detection device for the LED light bar provided by the invention is capable of simultaneously completing optical detection and electric detection, the whole process is automatic, the detection efficiency is increased and the manpower is reduced.