143 results about "Current strength" patented technology

The invention relates to an intelligent identification and conversion control method for a charging interface of a multi-standard charging pile in the field of new energy automobiles, and the method comprises the steps: carrying out the mode matching analysis of interface physical feature data and communication signal feature data, and obtaining a preliminary classification result of the type of a charging interface device; according to the loading result of the communication configuration parameters, obtaining a confirmation feedback signal of successful protocol switching; judging whether the load demand data conforms to a rated output power range of a charging interface device or not; according to the authorization instruction, current intensity data including a peak value and an average level and voltage level data including a fluctuation amplitude in the charging process are monitored in real time; if the current intensity data or the voltage level data exceed a preset safety threshold value, power supply connection is disconnected, and a circuit path is cut off; and generating a power-off record log containing abnormal fluctuation data and a power-off moment according to a result of disconnecting the power supply connection.

The invention provides a two-stage current intensity adjusting method for an eye therapeutic apparatus, and the method comprises the steps: extracting the impedance effect intensity of a current at a macular center through recognizing the thickness of an impedance barrier layer corresponding to the current limiting degree of a high-impedance region, and combining with the actual penetration thickness, and obtaining the current penetration depth reduction proportion of the current penetration depth at the macular center; the current intensity imbalance degree of the coarse adjustment basic current intensity in the transition subarea is evaluated, and by obtaining the current intensity increase and decrease multiple of the fine adjustment compensation current intensity, the gradient difference between high impedance limitation and low impedance permeation is integrated, and the current intensity is compensated to balance the current intensity imbalance degree of the transition subarea; and updating the current output power level of each partition according to the fine adjustment compensation current intensity, and feeding back the current output power level to a therapeutic instrument circuit in real time to obtain uniform therapeutic intensity distribution so as to be matched with the decreasing proportion of impedance of impedance gradient distribution from high to low.

The invention provides an underground engineering leakage three-dimensional detection method, which comprises the following steps of: arranging a three-dimensional electrode system on an outer side and an inner side drill hole of a to-be-detected underground enclosure structure, and detecting and recording potential data and space coordinates of an electrode array; repeatedly collecting and preprocessing the collected potential data to eliminate the influence of current intensity difference and stratum conductivity difference; based on the physical coupling relationship between the electric field intensity and the formation resistivity, filling the data blind area of the inter-hole area; the three-dimensional space model of the electric field intensity is optimized and fitted through an intelligent algorithm, a three-dimensional equal-straight-plane image of the electric field is generated after data reliability is verified, and space coordinates of an electric field abnormal area are marked as suspected leakage points. The problems that in an existing detection method, positioning is not accurate, and the applicability is limited are solved.

Power distribution and control board for distributing high current between a power source and one or more subsystems and / or components, and for controlling the distribution of the high current. - a mechanical interface for the mechanical connection of an electrical component, wherein the mechanical interface ensures that the component remains electrically independent of the power distribution and control board after the mechanical connection; - a sensor for measuring the current strength of a current carried by the mechanically connected and electrically independent component, wherein the sensor is mounted directly on the power distribution and control board; wherein the interface is arranged such that it fixes the component in an area relevant to the sensor; and Power distribution and control board arrangement comprising - a power distribution and control board for distributing high current between a power source and one or more subsystems and / or components and for controlling the distribution of the high current; - a component mechanically connected to the power distribution and control board, which is electrically independent of the power distribution and control board; - a sensor for measuring the current strength of a current carried by the mechanically connected and electrically independent component.

A laser source may include a laser diode, a modulation device, and a feedback device. The modulation device may include an electric power source and may be suitable for modifying a current intensity applied to the laser diode, which may modify an emission frequency of the laser diode. The feedback device may be suitable for modifying a current intensity applied to the laser diode by the electric power source as a function of the electromagnetic radiation emitted by the laser diode.

Method for protecting a branch of an electrical circuit in a motor vehicle. Method for protecting a circuit branch located between an electric battery and equipment, comprising a step (E2) of comparing the measured temperature at a given point on the branch to a maximum temperature threshold, and then, when the measured temperature is above the threshold, a command to open the branch and / or a command to deactivate the equipment; and a step (E3) of measuring the intensity of an electric current flowing through the branch of the electrical circuit, then calculating an estimated temperature at the given point, and comparing the estimated temperature to the maximum temperature threshold, and then, when the estimated temperature is above the maximum temperature threshold, a command to open the branch and / or a command to deactivate the equipment. Figure for the abstract: 2

The present application relates to the technical field of power engineering grounding corrosion prevention, and particularly relates to a method and device for comprehensively evaluating power grounding corrosion. The method for comprehensively evaluating power grounding corrosion comprises the following steps: scoring each parameter in a first macroscopic parameter group and a second macroscopic parameter group of a soil sample to obtain corresponding scores; summing the scores corresponding to each parameter to obtain a score result; determining a corrosion rate of the soil sample through a preset correlation between the corrosion rate and the score result; determining first, second and third corrosion rate increase values of a grounding body through the relationship between the grounding potential difference, the ground current intensity, the ground direct current intensity and the first, second and third corrosion rate increase values, and summing the corrosion rate of the soil sample to obtain a final evaluation result of the grounding body corrosion condition; the present application can combine the corrosion properties of the soil itself with the grounding characteristics in the power transmission and transformation field, so that the evaluation result is more accurate and closer to the real working condition.

The invention discloses a self-adaptive micro-current beauty method and beauty instrument based on electrophysiological index feedback, and relates to the technical field of photoelectric beauty, the method comprises the following steps: obtaining a surface electromyogram signal of a user face, extracting characteristic data of the surface electromyogram signal, and determining current intensity and current frequency of an NMES based on the characteristic data; acquiring a first feedback electric signal and a second feedback electric signal to determine the impedance value of the skin cuticle and the impedance value of the active skin layer, and determining the current intensity of the micro-current and the working time proportion of the NMES and the micro-current according to the impedance values of the skin cuticle and the active skin layer; therefore, a user face electrical stimulation signal is determined. According to the method and the device, parameters of the NMES and the micro-current can be adaptively adjusted, so that different somatosensory and beautifying effects are generated according to different skin states, and a good beautifying effect can be achieved while the somatosensory of a user is ensured.

In a method for detecting the presence of water or additional water, which exists because of a leak, the following steps are carried out: attaching at least one pair of electrodes to / in an object, to / in the presence of water is to be determined; applying an electrical voltage between the electrodes; testing whether electrical current or electrical current that is increased relative to a basic current flows between the electrodes; and detecting the presence of water in the case of flowing current. When implementing the method, at least two electrodes are used, wherein one electrode can be a ground. The electrodes are arranged separated from one another. DC or AC voltage is applied to the electrodes by a device. The device detects a measured value corresponding to the intensity of the current flowing between the electrodes.

The present invention relates to a method for monitoring chloride content in porous materials, preferably in reinforced concrete structures, in which a voltammetric sensor comprising a metal electrode is used, characterised in that the electrode metal forms poorly soluble ionic compounds with chlorides and a potentiodynamic excitation signal is applied to the electrode, causing an oxidation-reduction process to take place that favours the formation of the poorly soluble ionic compounds. The formation of the poorly soluble ionic compounds produces a response in the form of electric current intensity that is related to the chloride content in the monitored material.

The invention relates to a method for evaluating a switching event in an electromechanical switching device connected to a load current path, comprising the following steps: acquiring a temperature-current intensity value pair (Tm, Im), the temperature-amperage value pair has a temperature measurement value (Tm) of the temperature measured at a temperature measurement point (X) of the switching device (10) and a amperage measurement value (Im) of the current (I) flowing through the load current path measured concurrently with the temperature measurement value (Tm); -recording said pairs of temperature-amperage values acquired at different points in time; comparing at least one temperature-amperage value pair at a point in time before the switching event with at least one temperature-amperage value pair at at least one point in time after the switching event; and evaluating the switching event based on the comparison.

The present application relates to the field of device fault diagnosis, and provides a device fault diagnosis method, system and equipment based on phase current and zero sequence voltage, comprising calculating phase current steady-state value and phase current fault transient value, and constructing single-phase open circuit fault flag; when the single-phase open circuit fault flag indicates that there is single-phase open circuit fault, obtaining fault phase flag quantity through phase current intensity coefficient; constructing first inverter fault flag through zero sequence voltage, when the first inverter fault flag indicates that there is fault, constructing second inverter fault flag through phase current unit value, obtaining inverter fault flag through the first inverter fault flag and the second inverter fault flag, determining device positioning threshold, constructing inverter fault positioning flag based on the device positioning threshold, positive current intensity and negative current intensity; obtaining final fault positioning flag, thereby diagnosing device fault of the device.

This application provides a method, apparatus, device, and storage medium for controlling stray current in pipelines, relating to the field of stray current protection technology. The method includes: acquiring real-time stray current distribution information for each pipeline section along the pipeline. The distribution information includes the stray current intensity flowing through each pipeline section. The distribution information is input into a preset first model, and the target grounding electrode is output from the candidate grounding electrodes corresponding to each pipeline section. The first model is constructed based on historical detection information and the equivalent circuit principle of stray current diversion and grounding, used to determine the target grounding electrode. The historical detection information includes historical stray current distribution information and corresponding historical target grounding electrodes. The target grounding electrode is then activated, used to guide the stray current into the soil.

The invention relates to a system (2) for ascertaining prediction data. The system (2) has a floating unit (4) and a remote base unit (6). The floating unit (4) has a coupling unit (8), a floating hose (10) and a detection system (12). A first end (14) of the floating hose (10) is connected to the coupling unit (8). The detection system (12) is designed to detect, as actual arrangement, a present geometric arrangement of the floating hose (10) relative to the monitoring unit. In addition, the detection system (12) is configured to detect and / or ascertain, as actual location, a present geographical location of the floating unit (4). The detection system (12) is additionally designed to ascertain actual location data which represent the actual location and the actual arrangement. The floating unit (4) is designed to transmit the actual location data via a signal link (18) to the base unit (6). The base unit (6) is designed to receive, as actual weather data, present weather data which represent the present wind strength, the present wind direction, a prediction of the wind strength and / or a prediction of the wind direction in each case of the wind at the actual location. The base unit (6) is additionally designed to receive, as actual sea data, present sea data which represent the present current strength, the present current direction, a prediction of the current strength and / or a prediction of the current direction in each case of the water at the actual location.

The invention relates to a method for forming a battery cell, in particular for forming a solid-electrolyte interface (SEI), in which a time-dependent current intensity (1', 2', 3') and / or voltage is used to form the battery cell, wherein the method is characterized in that a complex-valued cell internal resistance (1, 2, 3) of the battery cell is detected multiple times during the formation, and the current intensity (1', 2', 3') and / or the voltage is controlled according to the detected cell internal resistance (1, 2, 3). The invention also relates to a device for controlling a formation of a battery cell.

The invention relates to the technical field of medical instruments, and discloses a grip strength rehabilitation training device and an operation method thereof in order to solve the problems that in an existing grip strength rehabilitation technology, no adaptive passive training scheme exists for a 0-level grip strength patient, and the resistance adjusting precision is low, the grip strength rehabilitation training device comprises a glove body, and five sets of finger training units are connected to the glove body; the finger training unit comprises a magnetic driving mechanism which is movably connected with the glove body and is electrically connected with a battery panel on the glove body; the finger adjusting mechanism is movably connected with the magnetic driving mechanism and arranged on the periphery of the finger in a sleeving mode. A magnetic coil is fixed on the inner side of a concave connecting frame of a magnetic driving rod, a magnetic sheet is arranged at the end, opposite to the magnetic coil, of a magnetic conduction transmission rod, the magnetic coil and the magnetic conduction transmission rod generate attraction force / repulsive force through current direction switching, the current intensity is adjusted through a battery panel to control the driving force, and complications such as hand swelling and joint stiffness in the early stage of grip rehabilitation are effectively prevented.

The embodiments of the present application provide an aluminum electrolysis energy balance control method, system, storage medium and electronic device, the method comprising: obtaining a first temperature difference between the current ambient temperature and the set ambient temperature of the target electrolytic aluminum series, and a second temperature difference between the current large busbar temperature and the set large busbar temperature; when the first temperature difference exceeds a first preset range and the second temperature difference exceeds a second preset range, determining a current intensity adjustment parameter and a fan opening adjustment parameter according to the first temperature difference and the second temperature difference; and adjusting the current intensity and fan opening of the target electrolytic aluminum series according to the current intensity adjustment parameter and the fan opening adjustment parameter. The technical solution provided by the embodiments of the present application can achieve efficient energy balance control of the electrolytic aluminum series, stabilize the thermal balance of the aluminum electrolytic cell, reduce the energy consumption of the electrolytic aluminum, and thereby promote more stable operation of the electrolytic cell.

The invention discloses a sectional type current self-adaptive control method and system for a bolt electrogalvanizing process, which are applied to a bolt electrogalvanizing production line and aim at optimizing the quality of a zinc coating through sectional type current self-adaptive control. The method comprises the following steps: acquiring a process parameter sequence in a bolt electrogalvanizing process, wherein the process parameter sequence comprises current intensity characteristics of each segmented electroplating bath and segmented electroplating time characteristics; calculating a current time matching degree according to the current intensity characteristics and the segmented electroplating time characteristics; determining a current adaptability score of the segmented electroplating process based on the current time matching degree; and when the current adaptability score is higher than a preset segmentation score threshold, adaptively adjusting the current parameter of each segmented electroplating bath according to the score deviation degree and a preset adjustment rule, and generating an optimized galvanization control result. Through sectional current control and self-adaptive adjustment, the thickness uniformity and the process stability of a zinc coating are ensured, the bolt electrogalvanizing quality is remarkably improved, and the method is suitable for industrial production requirements.

The invention relates to a device for generating high-frequency currents for the cosmetic and / or therapeutic treatment of tissue by means of electrodes of the device, comprising: a high-frequency energy source for generating high-frequency currents and at least one first electrode pair having two electrodes for applying the high-frequency currents to the tissue, which electrodes are each connected to an output of the high-frequency energy source, which device is designed to generate the high-frequency currents at a plurality of different frequencies fj by means of the high-frequency energy source, characterised in that the device is designed to generate the currents at a plurality of different frequencies fj by means of the high-frequency energy source in a temporal sequence having sequence steps Sj where j=1, 2, …, M; M ∈ ℕ; at least one current generated in said sequence step Sj and having the frequency fj and a duration Tj for which the current at the frequency fj is generated in the sequence step Sj is assigned to each sequence step Sj, and at least one sequence of the frequencies fj is a random sequence. In addition, at least one of the following additional features is implemented: The current intensity of the currents lies between 100 mA and 2 A, preferably between 300 mA and 1 A. The frequencies fj lie in a frequency range between 0.1 MHz and 20 MHz, preferably between 0.1 MHz and 10 MHz, most preferably between 0.1 MHz and 3 MHz. The duration Tj is less than 100 ms, preferably less than 50 ms. The invention further relates to a corresponding treatment method, in particular a cosmetic treatment method.

A belt retractor unit with a housing, a belt reel rotatably mounted in this housing, a blocking unit for blocking the belt reel against the housing, wherein the blocking unit has an actuator unit with an electromagnet and a control apparatus for controlling the electromagnet, which has a power input, a power output connected to the electromagnet and at least one signal input for receiving a control signal and / or a sensor unit for generating a control signal, wherein the control apparatus has at least a first active switching state and a passive switching state, wherein in the first active switching state an electric current flows between the power output and the electromagnet, the current intensity of which is greater than in the passive switching state, wherein the control apparatus has between the power input and the power output at least one DC / DC converter acting as a constant current source, so that the current intensity in the first active switching state has a defined first value independent of the voltage applied to the power input.

A method (100) for monitoring the SOH (State of Health) of an electrical cell, comprising in particular the steps of: Obtaining (110) a voltage range in which a relationship exists between an average of voltage variations and a capacitance loss of the electrical cell, the relationship being modeled by a function with: Measurement (120) of the constant current applied to the electrical cell and of the temperature of the electrical cell, Measurement (130) of the voltage of the electrical cell, When the measured voltage of the electrical cell is within the voltage range obtained (110), storage (140) of the measured voltage, When the measured current is a constant current of intensity not within the predetermined current intensity range and when a voltage has been stored at a previous time: Calculation (170) of the capacitance loss of the electrical cell using the relationship obtained with the calculated average of the voltage variations,Figure to be published with the abbreviation: Figure 1.

Electroporation method for delivering a composition comprising at least one peptide with a molecular weight ranging from 500 Da to 20 kDa. The present invention relates to an electroporation method for delivering a composition through human keratinous materials, the composition comprising a peptide with a molecular weight ranging from 500 Da to 20 kDa. The electroporation method comprises exposing the composition in contact with said keratinous materials to a succession of pulses of an electric current. The electric current is supplied by an electroporation device having an electrode (2) and a counter electrode (3). Each pulse has a duration of between 1 ms and 5 s with a rest interval between them of between 0.1 and 5 s, and the electric current has a voltage amplitude of between 20 and 400 V and an intensity of between 0.1 and 10 mA. Figure for the abstract: Figure 1

An electric moxibustion device and method for human acupoints, the device comprising an electric moxibustion generator and one or more electric moxibustion heads electrically connected thereto; the electric moxibustion head comprising a central electrode and an outer ring electrode surrounding the central electrode. The electric moxibustion method comprises attaching the electric moxibustion head to the skin of an acupoint, generating an electric current between the central electrode and the outer ring electrode, and adjusting the current intensity to achieve the effect of "tonifying" or "draining". The outer ring electrode is composed of three or more outer ring sub-electrodes, and the electric current between the central electrode and the outer ring electrode is conducted in the order of outer ring sub-electrodes (B1), (B2), (B3)…(Bn) or (Bn), …, (B3), (B2), (B1) to achieve the operation of "forward needling" or "reverse needling", thereby achieving the effect of "tonifying" or "draining".

The invention relates to a method for controlling a 3-stage, T-type pulse-controlled inverter (1). In a first operating mode of the pulse-controlled inverter (1), a current (I) is conducted alternately through a first bridge branch (B1) and a third bridge branch (B3) of the pulse-controlled inverter (1) during a first half-period of an alternating current to be generated by the pulse-controlled inverter (1), and alternately through a second bridge branch (B2) and the third bridge branch (B3) of the pulse-controlled inverter (1) in the second half-period. In a second operating mode of the pulse-controlled inverter (1), the current (I) is alternately conducted through the first bridge branch (B1) and the second bridge branch (B2), wherein the current (I) is conducted through the third bridge branch (B3) for a delay duration (Δt) each time the current conduction is switched between the first bridge branch (B1) and the second bridge branch (B2). The pulse-controlled inverter (1) is operated in the first operating mode if the current intensity value is less than a current threshold value, and otherwise the pulse-controlled inverter (1) is operated in the second operating mode.

The invention discloses a current real-time measurement method and device based on tunnel magnetoresistive sensors and a medium, and belongs to the field of non-contact current sensing, and the method comprises the following steps: at least three tunnel magnetoresistive sensors are linearly arranged along the sensitivity direction of the tunnel magnetoresistive sensors to form a tunnel magnetoresistive sensor linear array; the sensor is used for collecting magnetic field intensity vectors excited by to-be-measured current; the method comprises the following steps: acquiring magnetic field intensity signals through an embedded processing unit, performing Gaussian blur processing, eliminating interference signals in an initial transient process, identifying effective wave crest positions in a stable section, performing average processing on the magnetic field intensity signals at the effective wave crest positions to obtain Hpeakavg, substituting the magnetic field intensity signals into a current solution equation, and calculating the current of the stable section according to the Hpeakavg. And calculating current intensity I through a Newton iteration method, and substituting Hpeakavg and I into a transmission coefficient K to simplify calculation. The device comprises a tunnel magnetoresistive sensor array module and an embedded processing unit, and real-time current magnitude and frequency measurement is completed in a microcontroller with limited computing resources.

The invention relates to the technical field of measuring switches, and discloses a measuring switch with an overload protection structure, which comprises a body, wiring ports are arranged at two ends of the body, a knob switch is arranged on one side of the body, and a conductive mechanism, a circuit board and a measuring module are mounted in the body. A data processing module, a control module and a communication module are integrated on the circuit board, the conductive mechanism is electrically connected with the circuit board, the measuring module is in communication connection with the circuit board, and the measuring module is used for monitoring the current intensity of the wire outlet end and feeding data back to the circuit board through the communication module. The front blocking piece is arranged in the power transmission module, the lower end of the front blocking piece is bent towards one side of the rear blocking piece to form the first bent part, and the distance between the front blocking piece and the rear blocking piece is shortened through the first bent part, so that when a circuit is short-circuited, the distance between the two blocking pieces is relatively closer, and the phase voltage difference between the two blocking pieces is smaller; and the generated electric arc is relatively weak, and the efficiency of cooling and eliminating the electric arc through the metal grating is higher.

This utility model relates to a coil, specifically a novel inductor coil. The inductor coil includes a magnetic core structure, on which a coil body is wound. A base and a top are respectively located at both ends of the coil body and, in conjunction with the magnetic core structure, enclose the coil body. The magnetic core structure includes the magnetic core body and multiple support seats fixed to the outside of the magnetic core body. Multiple metal terminals are also provided on the magnetic core body. The base includes a bottom support plate and multiple metal pads fixed to the lower end face of the bottom support plate. The metal pads are distributed along the edge of the bottom support plate, and a first groove is formed through the bottom support plate. This novel inductor coil can independently or in combination generate gradient magnetic fields in any direction, achieving precise magnetic field control in three-dimensional space. By adjusting the current intensity and phase of each axis coil, the rate of change of magnetic flux can be adjusted in real time to adapt to different scanning requirements.

The subject of the invention relates to an electric energy conversion unit, especially for the use of electricity with time-varying power for the production of hydrogen gas, which has a current conducting piece (2) provided with an input gate (3) that may be connected to the electrical energy supply unit (4), at least one hydrogen gas production subunit (20) connected to the current conducting piece (2), and at least one hydrogen gas storage tank (30) connected to the hydrogen gas production subunit (20), where the hydrogen gas production subunit (20) has an electrolysing cell (21), and the gas output (21a) of the electrolysing cell (21) is connected to the input pipe (31)of the hydrogen gas storage tank (30), and the hydrogen gas storage tank (30) is provided with an unloading pipe (32). It is characteristic of the invention that an electric current regulation subunit (10) is fitted between the input gate (3) of the current conducting piece (2) and the hydrogen gas production subunit (20), where the electric current regulation subunit (10) has at least one transformer (11), a rectifier device (12) and a current intensity regulation device (13), and the current intensity regulation device (13) is interposed between the input gate (3) of the current conducting piece (2) and the input (11a) of the transformer (11), or between the output (11) of the transformer (11) and the input (12a) of the rectifier device (12), or between two transformers (11) in the case of several transformers (11) into the current conducting piece (2).

The utility model relates to a sensor for detecting the amount of free electrolyte in a lithium battery in situ and the lithium battery. The sensor comprises an insulating shell, a conductive polymer electrode and two wires, the conductive polymer electrode is disposed on the insulating housing. One ends of the two wires are embedded in the insulating shell in a sealed mode and are electrically connected with different positions of the conductive polymer electrode respectively, and the other ends of the two wires are located outside the insulating shell. When the sensor provided by the utility model is used for detecting the amount of free electrolyte in the lithium battery in situ, the sensor is firstly implanted into the lithium battery, electrochemical balance can be established between the conductive polymer electrode and the electrolyte, and the charge distribution and the electrode potential on the surface of the conductive polymer electrode can be changed due to different concentrations of lithium salts; the change curve of the current of the conductive polymer electrode along with the potential is recorded in real time through the electrochemical workstation, and the loss condition of the solvent in the electrolyte is indirectly judged through the potential of the conductive polymer electrode and the change of the response current intensity.

A muscle and bone dredging instrument disclosed by the present invention comprises a host and a pole piece, the host is provided with a display screen and a host power line, the host is provided with an adjusting key, a display lamp, a plurality of keys and a wire plugging hole, the pole piece is provided with an electrode socket, one end of the electrode socket is provided with a pole needle, and the other end of the electrode socket is provided with a wire. The invention relates to the technical field of physiotherapy equipment, and the core principle is that positioning electric energy is output through a body-controlled high-energy biological electro-therapeutic apparatus and is conducted to the body of a patient by a professionally trained electro-therapist through self-adjustment of current intensity, and sine wave current matched with human body cell bioelectricity waveform is utilized to excite essence and qi to dredge the channels and collaterals, so that the body-controlled high-energy biological electro-therapeutic apparatus can be used for treating body diseases. Therefore, the treatment effect that pain is not caused by general communication is achieved.