45 results about "Power sensor" patented technology

This utility model belongs to the field of electronic product technology, and specifically relates to a plug-in signal transmission sensor with wireless power supply. The housing assembly includes a lower shell, a middle section, an upper shell, and a probe, which are arranged sequentially from top to bottom. The lower end of the probe is detachably connected to the upper end of the upper shell, the lower end of the upper shell is detachably connected to the upper end of the middle section, and the lower end of the middle section is detachably connected to the upper end of the lower shell. The electronic components are installed within the space enclosed by the upper, middle, and lower shells. Signal data is directly exported through the upper shell, eliminating the need to transmit signal data to the lower base contacts as in older products, effectively improving the stability and efficiency of signal data export. The plug-in connection avoids the use of wires, helping to solve problems caused by wiring in older products, thereby saving maintenance time and costs.

1. Name of the product in this design: Solar sensor lamp (TG-TY10320). 2. Purpose of this design: for lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses a plasma activated water preparation system based on fuzzy PID (Proportion Integration Differentiation) adaptive temperature and power matching cooperative control. The plasma activated water preparation system comprises a human-computer interface, a main controller, a temperature / power sensor, a parallel double fuzzy PID controller, an intelligent coordinator, a power / temperature actuator and a plasma reaction machine, a temperature / power sensor sends a water body temperature Tfb and a discharge power Pfb to a main controller in real time, a temperature fuzzy PID controller and a power fuzzy PID controller output suggested powers Ut and Up, an intelligent coordinator outputs a final power instruction and a cooling control signal after arbitration according to a state machine that Tfb is smaller than or equal to Tset normal power, Tfb is larger than Tset and Pfb is larger than Pmin and power is preferentially reduced, and Tfb is larger than Tset and Pfb is smaller than or equal to Pmin and is forcibly cooled. And the power actuator continuously adjusts the discharge power according to the discharge power, and the temperature actuator implements auxiliary heat dissipation, so that the water temperature is accurately locked in the optimal active matter generation interval under the nonlinear and time-varying working conditions, the discharge intensity is ensured not to be lower than Pmin, and high-activity, high-energy-efficiency, continuous and stable plasma activated water preparation is realized.

This invention relates to a dual-mode polycaprolactone (PCL) building energy-saving film and its preparation method. The dual-mode PCL building energy-saving film of this invention uses a temperature-sensitive PCL and hydrogel composite layer as the outer layer, and adds VO2-based materials. It can automatically reflect near-infrared light during high summer temperatures and automatically project sunlight during low winter temperatures; it requires no external power supply and is purely passively regulated. Furthermore, a PCL-based triboelectric nanogenerator array serves as the middle layer, which can collect mechanical energy from the building surface environment to power low-power sensors within the building, and can also connect surplus energy to the grid or store it. The transparent PCL and nanocellulose composite layer provides better mechanical support and is easy to install.

Methods, systems, and apparatus, for predicting power measurements on a device using predictive models. One of the methods includes continually generating, by a power sensor of a power management system of a device, a respective measure of power consumed at each of a plurality of time points. A power prediction module receives a sequence of N power measurements consumed for N previous time points and generates a predicted power measurement at a future time point based on a trained predictive model.

This electronic device for supplying charging power to a robot, comprises: a memory including one or more storage media storing instructions; a sensor unit including a power sensor for sensing internal power of the electronic device and a docking sensor for sensing whether the robot is docked; and at least one processor communicatively connected to the memory and the sensor unit, wherein the instructions, when executed individually or collectively by the at least one processor, cause the electronic device to: obtain a voltage value through the power sensor while operating in a normal mode for performing a charging function for the robot; and if the voltage value is less than a threshold voltage value, change the normal mode to a first sleep mode or a second sleep mode on the basis of docking data from the docking sensor, wherein the first sleep mode is a mode in which the charging function is not performed while power is not supplied to the sensor unit, and the second sleep mode is a mode in which the charging function is not performed while power is supplied to the sensor unit.

This invention provides a multilayer polarization-enhanced liquid-solid contact separation triboelectric nanogenerator structure, comprising, from bottom to top: a first electrode layer, a polarization-enhancing dielectric layer, a triboelectric layer, a second electrode layer, and a surface nanoparticle modification layer. Both the first and second electrode layers are made of copper foil and are used to collect charges generated by electrostatic induction. The polarization-enhancing dielectric layer is a PVDF thin film, used to enhance the interfacial charge storage capacity and electric field coupling strength, thereby enhancing the electrostatic induction effect and significantly improving the device's output voltage and current. The triboelectric layer is a FEP thin film, which can acquire electrons upon contact with the droplet. The surface nanoparticle modification layer is composed of PTFE nanoparticles, which adhere to the FEP thin film, further increasing the surface triboelectric charge density and thus improving the output voltage. This invention, through liquid-solid contact electrification and electrostatic induction mechanisms, can efficiently convert the mechanical energy of rainwater into electrical energy to provide power for low-power sensors in rainfall detection.

The invention discloses a common DC bus multi-machine operation energy storage system energy management control device, which comprises a DC bus, a plurality of loads, a control module, an energy management module and an energy storage module, and is characterized in that the input end group of the control module is electrically connected with a plurality of power sensors; the signal output end of the control module is connected with the control signal input end of an energy management module, the energy management module is electrically connected with a first switching module through a DC / DC conversion module, the first switching module is electrically connected with each load, and the energy management module is electrically connected with a first conversion module. The control module judges the working state of each load according to the real-time power data of each load acquired by the power sensor, and when the power value of a certain load is smaller than a second power preset threshold value, the load can be judged to be in a braking state; and braking energy generated by braking of the load is transferred to the energy storage module for storage through the first switching module and the DC / DC conversion module.

The application discloses a virtual power plant operation data intelligent optimization method and system based on the Internet of Things, relates to the technical field of Internet of Things energy monitoring, and acquires energy transmission data sets and energy load data sets after preprocessing and maps to each corresponding node of the virtual power plant through real-time collection of energy operation data of each distributed node layer by arranging power sensors on the distributed node layer of the virtual power plant; energy flow state evaluation is carried out through the construction of an energy flow level deviation index Neq; when there is an anomaly in the energy flow level, a spatial distance matrix Dl(x, i) of the virtual power plant topology is extracted and a comprehensive operation coordination index Eop is constructed to evaluate the residual error distribution state. When the energy flow of the virtual power plant cannot converge naturally, the energy flow Φadj is calculated and distributed to dynamically correct the energy flow of each node, and the energy storage equipment is controlled to switch between the charging and discharging modes. The method realizes dynamic coordination and abnormal self-recovery control of the virtual power plant operation data.

The invention relates to a LED breaker (23) intended to be installed in series between a LED driver (21) and a LED source (22), the LED breaker (23) comprising: - a controlled switch (231) installed in series between the LED driver (21) and the LED source (22) for closing or opening the electrical circuit, - a sensor (232) measuring the power provided by the LED driver (21) to the LED source (22), the sensor (232) providing a measure, - a control circuit (233) connected to the sensor (232) to receive the measure and to the controlled switch (233) to control said switch, the control circuit (231) being configured for: o time integrating the measure to obtain an illumination value (CNT) representative of the amount of illumination, o opening the controlled switch (231) when the illumination value exceeds a predetermined threshold.

Hardware that is configured to gather data on a process line. These configurations may include devices that can connect to existing process control networks, like 4-20 mA control loops. These devices may include rechargeable power sources, for example, a supercapacitor. This power source can power a sensor or like hardware that resides in proximity to a control valve or other device on the process line. The sensor may require a power level for a short time that significantly exceeds one available from 4-20mA current loop network. As an added benefit, the circuitry may find use to allow the power source to store power, or re-charge, at periodic intervals to ensure that the sensor can gather data regularly during the lifetime of the control valve.

The application discloses an inland river ship propulsion energy efficiency monitoring management optimization system and method, belongs to the technical field of ship energy efficiency management, and comprises a ship-mounted acquisition unit, a ship-mounted gateway, a shore-based platform and an execution mechanism; through the arrangement of a main engine collector, an axle system collector, a navigation collector and an environment collector in the ship-mounted acquisition unit, multi-dimensional data acquisition of main engine operation parameters, propulsion axle system states, navigation states and navigation environments is realized, the problem of single data dimension in the prior art is solved, the combination arrangement of a speed sensor and a torque sensor can accurately acquire main engine output power, and the cooperative arrangement of a power sensor and a vibration sensor realizes real-time monitoring of axle system operation states.

This invention discloses an intelligent concrete vibration device, comprising: a vibration execution unit, including a motor and a vibrator; a torque sensor connected in series at the transmission connection between the motor and the vibrator; an intelligent sensing and acquisition unit, including a torque sensor, a power sensor, and an inclination sensor, wherein the power sensor is connected in parallel to the mains power supply circuit of the motor, the torque sensor is connected in series in the power transmission link, and the inclination sensor independently acquires spatial attitude signals to achieve synchronous data acquisition; a signal processing unit, used to receive signals from the torque sensor, power sensor, and inclination sensor; the signal processing unit transmits the processed standardized data to the intelligent control unit; the intelligent control unit, including a PLC, a frequency converter, and a control cabinet, used to receive the processed data and human operating parameters and send control commands and judgment results; and a human-machine interaction unit, bidirectionally connected to the PLC via a signal bus. This invention achieves real-time and accurate judgment of concrete vibration quality and early warning of abnormal attitudes.

The present application relates to the technical field of sensor connection control, and particularly relates to a wireless connection method of a power sensor, which comprises the following steps: each sensor is activated and parameter configured respectively after arriving at a scene, each sensor takes the time of completing parameter configuration as an initial start time T1; all the sensors are grouped, and each sensor in each group is respectively set with a time offset T2=T g +G i ×T s , wherein T g is a group wake-up period of a corresponding sensor in a group, G i is a group number of the corresponding sensor in the group, and T s is an inter-group step length of the corresponding sensor in the group; each sensor is respectively increased with a random delay T3, and the random delays of each sensor in the same group are not repeated; a wake-up period T of each sensor is T1+T2+T3, each sensor is started after being woken up according to the wake-up period, a main device is wirelessly connected with a corresponding sensor after receiving, and the sensor is restored to a sleep state after sending state data.

This invention discloses a temperature compensation method for a thermistor power sensor, relating to the field of sensor compensation technology. It solves the problem of how to quickly and accurately predict the steady-state power value of a thermistor power sensor before thermal equilibrium is established, and effectively overcomes technical problems such as thermal response hysteresis and dynamic errors caused by frequency, aging, and environmental changes. The method includes: acquiring the transient power sequence of the thermistor power sensor, extracting an amplitude feature sequence from it, and determining a rate feature sequence accordingly; weighting the rate feature sequence based on the current operating frequency and combining it with the amplitude feature sequence to obtain a composite feature vector; performing approximation matching calculations on the composite feature vector with multiple sets of standard frequency response features to determine the combination coefficients; synthesizing multiple standard extrapolation factors based on the combination coefficients to obtain a synthetic extrapolation factor suitable for the current operating condition, and combining it with the transient power sequence to determine the extrapolated steady-state power.

This invention provides an intelligent interaction method, apparatus, and system. The method includes: acquiring first input information; extracting at least a portion of the first input information as a first feature; in response to an evaluation result of the first feature satisfying a preset condition, generating first output information based on the first feature and acquiring second input information; sending at least a portion of the second input information; receiving second output information generated based on the at least a portion of the second input information; and outputting an aggregation of the first output information and the second output information. This invention triggers high-power sensors and remote processing through local feature evaluation, activating high-power modules and communication only when necessary, significantly reducing energy consumption, extending device battery life, and ensuring the accuracy and real-time performance of intelligent interaction.

This invention relates to the field of communication technology and provides a sensor node and communication method for harvesting energy in the idle state of a bus. The hardware includes: a polarity adaptive rectification front-end composed of an ideal diode controller or an ultra-low forward voltage drop Schottky bridge rectifier; an energy storage unit using a large-capacity supercapacitor to store energy in the idle state of the bus; a power management unit including a window voltage monitor, a load switch, and a low-dropout linear regulator; a main control unit: an ultra-low-power MCU with RTC timed wake-up and ADC high-precision voltage monitoring functions; a communication unit with an RS485 half-duplex transceiver with enable control and support for the Modbus-RTU protocol; and a sensing unit consisting of replaceable low-power sensor modules connected to the main control unit via a standardized interface. This device overcomes the technical shortcomings of traditional RS485 sensors, such as high wiring costs, cumbersome maintenance, poor low-temperature reliability, limited node capacity, and insufficient explosion-proof safety.

This invention belongs to the field of carbon fiber composite material preparation technology and discloses a resin mixing management system for carbon fiber coating. It includes a mixing vessel, a stirrer, a variable frequency drive motor, a temperature sensor, a power sensor, a cooling jacket, a flow regulating valve, and a controller. The controller calculates the cumulative heat of reaction based on the real-time drive power signal, the resin temperature signal, the inlet and outlet temperatures of the cooling medium, and the mass flow rate of the cooling medium; it predicts the dynamic viscosity based on the cumulative heat of reaction, the resin temperature signal, and the shear rate of the stirrer; and it calculates the target rotation speed command and the cooling flow rate adjustment command based on the deviation between the dynamic viscosity and the target viscosity and the time change rate of the cumulative heat of reaction. This invention solves the technical problem of drastic viscosity fluctuations caused by exothermic reactions during thermosetting resin mixing, making it difficult to maintain the optimal coating window, and achieves coordinated control of reaction heat and viscosity.

The present application belongs to the technical field of aging product test equipment, and in particular to a temperature and humidity test method and device for automatically adjusting PID parameters with load power variation, which comprises a temperature and humidity chamber, a load for adjusting the temperature and humidity environment in the temperature and humidity chamber, a temperature and humidity control module, a PID algorithm adjustment module, a load power consumption measurement module, and an alarm module. The load power consumption measurement module is used to collect the power consumption of the load in real time through a power sensor and transmit it to the PID algorithm adjustment module, which generates PID parameters according to the power data. The temperature and humidity control module receives the PID parameters from the PID algorithm adjustment module and controls the working power of the load according to the PID parameters, adjusts the temperature and humidity in the temperature and humidity chamber to the preset value, and dynamically adjusts the PID parameters with the power variation of the load through the adaptive algorithm in the PID algorithm adjustment module, so that the device can adapt to stable operation in various scenarios such as no load, light load, half load, full load, etc.

The application provides a kind of dynamic energy regulation low-power distributed sensor network, node layer is distributed with multiple sensor nodes, responsible for collecting environmental data respectively;Network layer is connected with node layer, and is provided with dynamic energy management module, can adjust node energy according to each sensor node energy and task priority;Still be provided with distributed collaborative calibration module, use distributed algorithm, by neighborhood node collaborative mechanism, compare each node and neighborhood node data, automatically adjust calibration parameter, then upload data to cloud platform layer.Cloud platform layer analyzes, stores and assists sensor node calibration received environmental data.The application realizes the efficient monitoring and real-time calibration of each sensor under wide area environment, and overcomes the energy consumption bottleneck, insufficient measurement accuracy and low communication efficiency and other problems in the prior art.The system realizes efficient, accurate, low-power wide area monitoring through the comprehensive application of low-power sensor technology, dynamic energy regulation technology, automatic calibration technology, low-power wireless communication technology and intelligent cloud adjustment mechanism.

A device comprising a first transistor, a second transistor, and a circuit. The first transistor has a power terminal and a control terminal. The second transistor has a power terminal and a control terminal. The power terminals of the first and second transistors are coupled together. The circuit has a first output, a second output, and an input, which are coupled to the control terminal of the first transistor, the control terminal of the second transistor, and the power terminal of the second transistor, respectively.The circuit is designed to: sample a comparison between a first voltage and a second voltage; in response to the first voltage being greater than the second voltage, increment a value on a multi-bit bus; in response to the second voltage being greater than the first voltage, decrement the value on the multi-bit bus; and modify the second voltage based on the value on the multi-bit bus.

This utility model belongs to the field of photovoltaic power generation and energy storage technology. Specifically, it discloses a photovoltaic power generation and energy storage platform for teaching. The photovoltaic detection module, photovoltaic modules, and control module are electrically connected. The mains power grid, energy storage battery, and control module are bidirectionally connected. The load module is electrically connected to the control module. The energy storage load module is communicatively connected to the load module, energy storage battery, and control module. Each photovoltaic module is fixedly connected with a terminal block and a branch switch. The control module is communicatively connected to a current sensor and a voltage sensor. A temperature gradient sensor is communicatively connected to the controller. One end of the power sensor is communicatively connected to the energy storage battery, and the other end is communicatively connected to the controller. The controller is communicatively connected to a back-end computer. By setting different solar photovoltaic panels and photovoltaic detection modules, the teaching quality can be improved by comparing the impact of different factors on power generation. By setting charge and discharge switches and grid-connected and off-grid switches, practical training can be realized.

1. Name of the product in this design: Solar sensor lamp (YC-SW9901). 2. Purpose of this design: for outdoor lighting. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application relates to a high-power directional coupler for real-time measurement of high-power circular waveguide transmission energy. The design comprises a circular waveguide, two coupling holes and two rectangular waveguides vertically connected with the circular waveguide. High-power microwaves are transmitted in the circular waveguide, the two coupling holes are arranged on the wall surface of the circular waveguide, and the center distance is lambda / 4+n*lambda / 2 (lambda is the transmission wavelength, and n is a non-negative integer). The rectangular waveguide is vertically connected with the circular waveguide through the coupling hole, and the short side of the rectangular waveguide is parallel to the axial direction of the circular waveguide, which is used for receiving coupled energy and measuring transmission power through a power sensor. By averaging the transmission energy at the two coupling holes, the interference error caused by the echo is eliminated, and the forward transmission energy is accurately measured. The design effectively avoids the fluctuation problem in single-hole measurement, has the advantages of wide frequency band, low coupling coefficient, high reliability and high power resistance, and is suitable for real-time measurement and monitoring of high-power microwave system energy.

A system for monitoring structural conditions includes a sensor network comprising a plurality of sensor assemblies. Each sensor assembly includes at least one a sensor device comprising a sacrificial layer and a reference layer, wherein the sacrificial layer comprises a first plurality of sensor elements, each of the first plurality of sensor elements comprising a strip of nano-engineered material, wherein the reference layer comprises a second plurality of sensor elements encased in a protective coating, each of the second plurality of sensor elements comprising a strip of nano 10 engineered material.