80 results about "Wireless data acquisition" patented technology

The invention discloses a photovoltaic module mismatch diagnosis system and method based on dual-mode thermal detection and AI dynamic optimization, and belongs to the technical field of fault detection of a photovoltaic power generation system.The photovoltaic module mismatch diagnosis system comprises a thermocouple sensor, an infrared thermal imaging module, a wireless data acquisition and transmission module, an AI intelligent data analysis system and a remote operation and maintenance management platform, and the inverter optimization control unit is respectively connected with the remote operation and maintenance management platform and the wireless data acquisition and transmission module. According to the invention, infrared thermal imaging large-range scanning and a surface ultra-thin flexible thermocouple sensor are combined, the temperature of key parts of the assembly is monitored in real time, and mismatch faults are accurately screened; adopting temperature gradient analysis, K-means clustering and a time sequence based on transfer learning to predict and recognize faults such as shadows, microcracks and poor welding, and performing remote early warning; mPPT parameters are dynamically adjusted based on a particle swarm algorithm, and power loss is reduced; the method improves the stability of a photovoltaic system, reduces the inspection cost, and is suitable for a large-scale power station and a distributed photovoltaic system.

The invention discloses a primary and secondary fusion ring main unit fault positioning communication method and system, and relates to the technical field of power system fault positioning, and the communication method comprises the specific steps: S100, multi-source parameter cooperative collection: collecting the parameters of current, voltage and power factor of each loop through an electronic multifunctional sensor arranged in a ring main unit, meanwhile, an intelligent electric meter with a communication function and a wireless data acquisition terminal based on the Internet of Things technology are utilized to obtain operation parameters of flexible loads of the charging pile and the air conditioner cluster, and data are transmitted to a server to be subjected to format conversion and abnormal value elimination; according to the invention, through a multi-source parameter collaborative acquisition technology, real-time and accurate acquisition of key parameters of current, voltage and power factors of each loop of the ring main unit is realized, and at the same time, the operation parameters of the flexible load are comprehensively monitored by combining an intelligent electric meter with a communication function and an Internet of Things technology wireless data acquisition terminal. And the comprehensiveness and accuracy of data acquisition are improved.

The invention discloses a wireless data collection method and device of a multi-source tester, terminal equipment and a computer readable storage medium, and belongs to the field of data management.The method comprises the steps that the type of each tester is obtained, and initial collection parameters are determined; performing correlation analysis on the acquired data of each tester based on the initial acquisition parameters, determining a data dependency relationship among the testers, constructing a directed acyclic graph, and determining a change rate transfer coefficient of each edge; calculating a sampling data change rate of each tester; and for each pair of combination of the source node and the target node, when the change rate of the sampling data of the source node exceeds the change rate of the target node, adjusting the sampling parameter of the target node according to the change rate transfer coefficient, otherwise, taking the initial sampling parameter of the target node as the final acquisition parameter. By implementing the invention, the sampling parameters can be dynamically adjusted, and the problem of data change caused by the fact that the fixed acquisition parameters cannot capture the relevance of the test instrument in the prior art is solved.

The invention discloses an acoustic emission monitoring and damage identification method and system for crack propagation of a chemical high-temperature pipeline welding joint, and belongs to the technical field of acoustic emission monitoring of pressure pipelines. The system comprises a display terminal, a wireless data collector, a signal transmission line, an acoustic emission sensor, a waveguide rod boss and a waveguide rod round rod, and by means of the system, real-time acoustic emission monitoring can be conducted on the active defect expansion behavior of the pipeline welding joint under the high-temperature service condition. Meanwhile, based on the acoustic emission monitoring and damage identification method for crack propagation of the chemical high-temperature pipeline welding joint disclosed by the invention, a signal feature discrimination mode for active defects of the high-temperature pipeline welding joint is provided, and real-time early warning can be performed on occurrence of abnormal signals such as defect propagation. The method is suitable for wireless real-time acoustic emission monitoring of the pipeline welding joint in a high-temperature complex service environment, can realize rapid and accurate monitoring and identification of active defects of the welding joint, and has important engineering application value.

The invention provides a sleep apnea and hypopnea intelligent monitoring and auxiliary diagnosis system and method based on a flexible sensor, and belongs to the technical field of sensors and respiration monitoring equipment. The system comprises a resistive flexible strain sensor, a wireless data acquisition card and a portable data processing terminal, a resistance-type flexible strain sensor is adhered to the skin surface of a main muscle group and an auxiliary muscle group related to human respiration, resistance signals related to the respiration frequency and amplitude are obtained, respiration data of a patient are collected in real time, and further, self-adaptive amplitude alarm upper and lower limits are constructed through statistical modeling of the individual resting respiration amplitude, so that the respiration alarm accuracy is improved. Therefore, the individual adaptability and robustness of the respiration detection system are improved.

The invention provides an integrated low-power-consumption wireless data acquisition device, and relates to the technical field of wireless data acquisition, the integrated low-power-consumption wireless data acquisition device comprises a bottom plate, a box body is fixed at the top of the bottom plate, a collector and a wireless transmitter are arranged in the box body, and the collector and the wireless transmitter are respectively fixed at two sides of the bottom plate; a wireless transmitter is arranged in the box body, one end of the collector is connected with a detection line, the detection line penetrates out of the box body, a driving assembly is arranged between the collector and the wireless transmitter, the driving assembly comprises an insertion cylinder, the insertion cylinder is fixed to one side of the wireless transmitter, an insertion column is arranged at the position, corresponding to the insertion cylinder, of the outer side of the collector, and the insertion column is inserted into the insertion cylinder in a sliding mode. Compared with the prior art, the wireless transmitter can be started through the driving assembly, wireless data transmission is carried out, the wireless transmitter is in a power-off state when the wireless transmitter is not used, and therefore consumption of electric energy is avoided, the technical effect of low power consumption is achieved, and the electric quantity does not need to be maintained by frequently replacing a battery.

The application discloses a surgical robot wearable control device and control method based on gesture recognition. The surgical robot wearable control device is used for detecting motion information of human upper limbs and comprises: an inertial sensor array arranged at the back of hands, forearms and upper arms of left and right arms of an operator to detect operator motion data; a pressure switch array arranged at index fingers and palms of left and right hands of the operator to activate / discontinue motion of the surgical robot; a wireless data sending device used for unidirectionally sending state data of the pressure switch to a wireless data collection device; the wireless data collection device is used for receiving the state data sent by the wireless data sending device and motion data sent by the inertial sensor and transmitting the data to a data processing device; the data processing device obtains operator motion intention after processing the motion information returned by the wireless data collection device and converts the motion intention into end motion information of the surgical robot. The application can detect the posture of the upper limbs of the operator and the control intention of the operator in real time.

This invention belongs to the field of arc heater technology and discloses a testing device and method for testing the arc spot position and rotation speed of an arc heater. During the test, a wireless data acquisition device, powered by a battery, is installed on the high-voltage rear electrode of the arc heater. The wireless data acquisition device is electrically isolated from other components and the ground. Several thermocouples are installed at equal intervals along the axis on the cathode wall of the inner shell of the electrode. The thermocouple wires are connected to the wireless data acquisition device through a cooling channel. After acquiring the temperature value, the wireless data acquisition device transmits it to the wireless AP in the test hall via a wireless transmitter, and then to the industrial control computer. Based on the obtained temperature value, the operator determines the axial coordinate of the arc spot, determines the rotation speed of the arc spot, calculates the heat flux value of the arc spot, and captures motion images of the arc spot. The testing device and method provide data support for the control of the arc spot position and rotation speed of the arc heater, thereby improving electrode lifespan and reducing the operating cost of the arc heater.

The present invention discloses a photovoltaic shutdown monitoring system, which includes a plurality of photovoltaic modules and a wireless data collector, and each photovoltaic module is provided with a shutdown module; the photovoltaic modules and the shutdown modules are first connected in series to form a plurality of photovoltaic module strings, and the plurality of photovoltaic module strings are connected in parallel to a photovoltaic busbar box or a PLC signal generator, the photovoltaic busbar box or the PLC signal generator is connected to an inverter, the wireless data collector collects data of the photovoltaic modules and the shutdown modules through wireless communication, and uploads the collected data to a summarizer through RS485 communication, and the summarizer is connected to a monitoring platform; the shutdown module includes a PLC signal processing module and a wireless communication module, and the PLC signal processing module is connected to a control unit. The present invention can not only meet the safety requirements of rapid shutdown, but also has high reliability, fast response speed, low cost and high efficiency.

The utility model discloses a battery pack with a wireless acquisition circuit. The battery pack comprises at least one battery module, the acquisition circuit, a slave control module and a connecting assembly, the battery modules are arranged in an array; each battery module comprises a plurality of mutually connected battery cells; the acquisition circuit is arranged at the top of the battery module and is connected with the battery cell; the slave control module is arranged at the rear end of the battery module array and is used for receiving the data information transmitted by the acquisition line; the connecting assembly comprises a plurality of sockets, a plurality of first plugs and a plurality of second plugs; the first plug is fixed at the end part of the acquisition circuit at the rearmost end of the array, and is in plug-in fit with the socket on the slave control module to realize electric connection; the other acquisition lines are respectively and fixedly connected with the second plugs through the flexible connecting pieces, and each second plug is correspondingly connected to the socket on the slave control module. Through the arrangement, the wiring of the battery pack is simpler, the cost is lower, and the reliability is higher.

The application provides a self-powered seismic detector based on triboelectricity and magnetoelectricity and a manufacturing method thereof. The detector comprises a triboelectricity sensitive unit and a magnetoelectricity sensitive unit which are combined with each other. The triboelectricity sensitive unit comprises an N-type magnet mass, a copper Z-shaped spring base, a PDMS friction pad and a signal lead-out wire. The signal lead-out wire is connected with a wireless data acquisition and conditioning circuit module. A power supply lead-out wire is connected with a power management module. The power management module is connected with the wireless data acquisition and conditioning circuit module. The self-powered cable-free seismic detector based on triboelectricity and magnetoelectricity obtained by using the manufacturing method has the advantages of simple and stable structure, light mass, strong anti-electromagnetic interference ability, high sensitivity, self-power supply and no need of external connecting cable. The detector is convenient for arrangement of field workers of seismic exploration and long-term data acquisition.

The invention provides an intelligent monitoring method for a high-voltage grounding rod, and the method employs a detection system which is composed of a wireless data collection computer and a grounding rod with a wireless detection function, and the grounding rod with the wireless detection function is additionally provided with an indicating lamp LED1 and reduces the number of piezoresistive sensors based on the related technologies of the grounding rod disclosed in the prior art. The method comprises a data detection step and a logic judgment step, in the data detection step, a power supply voltage value, an induced current value and a total contact resistance value are detected in sequence according to the time division multiplexing principle, and in the logic judgment step, the detected power supply voltage value, the detected induced current value and the detected total contact resistance value are analyzed and judged. And whether the power supply voltage is abnormal and whether the grounding state of the to-be-grounded conductor is good are determined. According to the invention, more parameters are detected, including the ground induction current which is easy to neglect, so that the grounding state of the conductor to be grounded can be perceived more directly, comprehensively and accurately, and the practical value is huge.

A drilling system can comprise a drill string having a longitudinal axis and comprising at least one drill rod and a wireless sub coupled to the at least one drill rod. The wireless sub can comprise processing circuitry that is configured to detect mechanical impulses of the drill string. The processing circuitry can be configured to wirelessly transmit signals indicative of the mechanical impulses to a remote computing device.

The invention belongs to the technical field of precision test of numerical control machine tools, and discloses a split inertia measurement device and method for linear axis error detection of a machine tool. The split inertial measurement device is mainly composed of a bottom substrate, an orthogonal three-axis zero-point positioner, a single-axis inertial sensor and an integrated data acquisition module. The single-axis inertial sensors are sequentially assembled to X-direction, Y-direction and Z-direction datum planes, static calibration and standard movement track measurement are combined, multiple sets of inertial data are obtained, coordinate registration and pose calculation are achieved through data fusion, and therefore the positioning error, the straightness error and the angle deviation of the linear axis of the machine tool are obtained. The split inertial measurement device adopts a split structure and sensor multiplexing design, avoids complex optical alignment and multi-sensor configuration, and is compact in structure and convenient to mount; in cooperation with wireless data acquisition and magnetic attraction fixing modes, six-dimensional geometric error detection can be efficiently completed on a machine tool site, hardware investment is reduced, and measurement applicability and popularization value are improved.

1. Name of the product in this design: Housing of a wireless data acquisition device for fishponds. 2. Purpose of this design: To install and store the motherboard of a wireless data acquisition device for collecting oxygen content and temperature data in fishponds. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The left view is symmetrical to the right view, so the left view is omitted; the rear view is symmetrical to the front view, so the rear view is omitted.

The utility model provides a rainfall measuring device, and belongs to the technical field of rainfall measurement. Comprising a shell, a support block, a wireless data acquisition built-in module part, a mechanical tipping bucket and sensing part, a filtering part and a supporting part. The shell serves as a main body structure protection internal part, and the support block is used for supporting the device and facilitating fixing. The wireless data acquisition built-in module component and the mechanical tipping bucket and sensing component cooperate with each other, rainfall data can be acquired and transmitted in real time, and a digital display function is achieved. The filtering part can filter impurities in rainwater and is convenient to clean or replace. The supporting component provides stable supporting, and the wind resistance of the device is enhanced. The bottom of the shell is provided with a water outlet to ensure timely drainage of accumulated water in the device and prevent damage. The device is compact in structure and comprehensive in function, is suitable for the fields of weather forecast, water resource management and the like, and has the advantages of high precision, low power consumption, real-time data transmission, easiness in maintenance and the like.

The utility model discloses a distributed photovoltaic power station remote monitoring system based on a cloud platform. The distributed photovoltaic power station remote monitoring system comprises a plurality of data acquisition nodes, a gateway, a cloud platform, a cloud server and a user side, the data acquisition node wirelessly transmits information acquired by the sensor module to the gateway through the LoRa communication module, the gateway collects various data and regularly transmits the data to the cloud platform through the NB-IoT communication module and the base station, the cloud platform stores the data in the cloud server, and the user side can be connected with the cloud server through a network to obtain related information. According to the utility model, the wireless data acquisition device deployed in the distributed photovoltaic power station is used for acquiring meteorological data in the station, the temperature of the photovoltaic module, and the data of the combiner box and other equipment, the data are collected by the gateway and then uploaded to the cloud platform, the cloud server calls the data of the cloud platform, and the data are analyzed and processed and then displayed to a user at a user side. And remote monitoring of the distributed photovoltaic power station is realized.

The utility model discloses a vibration self-generating wireless data acquisition system, which comprises a vibration generator, a rectifying and voltage-stabilizing module, a lithium battery, a data acquisition module, a wireless transmission module and a controller, and is characterized in that the vibration generator charges the lithium battery through the rectifying and voltage-stabilizing module; the lithium battery supplies power to the data acquisition module and the wireless transmission module after reaching a preset electric quantity, the data acquisition module acquires different types of measurement signals and converts the measurement signals into digital signals through analog-to-digital conversion, and the wireless transmission module transmits the digital signals to the controller or waits for sending according to an instruction sent by the controller. An integrated design is adopted, a generator, a power supply, a data acquisition module and a wireless transmission module are integrated together, the vibration of a measured object is utilized to drive an acquisition device to vibrate for self-power generation, external power supply is not needed, data can be continuously acquired for a long time, the acquired data are transmitted to a controller through wireless signals, and the use is convenient.

The purpose of the present disclosure is to provide a technology with which it is possible to perform reduction on data obtained from received wireless signals and then store the data in a storage device. A wireless communication system according to the present disclosure comprises a base station that transmits a wireless signal, and a wireless collection apparatus. The wireless collection apparatus comprises a primary storage device capable of temporarily storing data, and a secondary storage device capable of non-temporarily storing data. The wireless collection apparatus executes: a collection process for sequentially collecting wireless signals; a process for temporarily storing, in the primary storage device, data that is obtained from the collected wireless signals; a reduction process for generating reduced data by decreasing non-feature portions of the data that has been read from the primary storage device; and a process for storing the reduced data in the secondary storage device.

1. The name of the design product: antenna (dual-band WiFi). 2. The use of the design product: used in the field of wireless data collection and transmission for new energy storage, home WiFi, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

A communication method and a related device, in the method, after a first communication device obtains first wireless data, the first communication device can process data feature information of the first wireless data based on a classification model of a clustering result corresponding to the data feature information associated with N wireless sample data, and obtaining the data category of the first wireless data. In other words, the data category of the first wireless data obtained by the first communication device is obtained based on the data feature information of the first wireless data. Therefore, compared with a mode of performing data classification only through acquisition information (such as acquisition time, acquisition scene and the like) of the wireless data, in the scheme, the communication device can perform classification based on the data characteristics of the wireless data, so that efficient and sufficient data classification can be realized, and the data classification effect is improved; and the downstream task can realize an efficient data processing process based on the data classification result, so that the performance of the downstream task is improved.

The embodiment of the invention discloses an intelligent cutter signal acquisition system, a signal transmitting end of the system comprises an intelligent cutter, the intelligent cutter comprises a cutter head, a piezoelectric sensor and a signal transmitting module, the piezoelectric sensor is used for acquiring a charge signal of the cutter head, and the signal transmitting module is used for transmitting the charge signal to a signal acquisition end; a signal acquisition end of the system comprises a charge amplification module and a wireless data acquisition card, and the charge amplification module is used for receiving charge signals and conditioning and amplifying the charge signals to obtain analog signals; the wireless data acquisition card is used for converting the analog signal into a digital signal and sending the digital signal to the signal receiving end; a signal receiving end of the system is used for receiving the digital signal and uploading the digital signal to an upper computer, so that the upper computer monitors and analyzes the state of the intelligent cutter in the machining process according to the digital signal. By adopting the embodiment of the invention, the installation and maintenance of equipment such as cables can be reduced, and meanwhile, the anti-interference capability is improved.

This invention discloses a method for monitoring the welding process quality of a volute housing seat ring, comprising deploying a digital dial indicator and configuring a wireless data acquisition module to establish a deformation data acquisition and transmission link; acquiring deformation data in parallel through multiple channels of the link and performing preprocessing; constructing a deformation monitoring model based on the preprocessed data, calculating the risk rate of a single measuring point, and then calculating the joint risk rate of multiple measuring points; and synchronizing the data to multiple terminals and performing interactive adaptation. This invention replaces manual reading with a high-precision digital dial indicator and wireless automatic acquisition, achieving objective and accurate acquisition and real-time early warning of deformation data; by constructing a deformation monitoring model and a quantitative model of the joint risk rate of multiple measuring points, it accurately characterizes the deformation correlation of multiple measuring points, realizing quantitative prediction of the overall structural deformation risk and proactive process guidance; and through multi-terminal data synchronization, it achieves traceability of the entire welding cycle data of the volute housing seat ring and multi-scenario adapted closed-loop monitoring, while being compatible with existing processes, thus improving the level of quality control.

The invention relates to the technical field of mining safety, in particular to a wireless mine pressure monitoring system which comprises a ground control subsystem and an underground data collecting and early warning subsystem, and the underground data collecting and early warning subsystem comprises a plurality of wireless data collectors, a mining roadway wireless data collecting unit and a gob-side entry retaining wireless data collecting unit; wireless roof detection mechanisms are arranged in the mining roadway wireless data acquisition unit and the gob-side entry retaining wireless data acquisition unit, each wireless roof detection mechanism comprises a longitudinal wireless detection assembly and a point wireless detection assembly, and a plurality of wireless data acquisition units communicate with a ground control subsystem through acquisition substations. According to the wireless mine pressure monitoring system, the wireless roof detection mechanism comprises the longitudinal wireless detection assembly and the point wireless detection assembly, detection of a roadway roof is achieved, monitoring of the roof in a large range of a roadway is achieved, and the detection precision of the point wireless detection assembly is improved.

Driver assistance system of a vehicle, with at least one environment sensor (5) which detects obstacles (3) in the vicinity of the vehicle (2) within a sensor-specific range (6) and a sensor-specific field of view, and with a control system that evaluates the sensor signals and issues a warning to the driver in the event of a possible and / or imminent collision, wherein the driver assistance system has a wireless communication unit (4) for wireless data acquisition of transmitted data sent by appropriately compatible (8) surrounding vehicles (3) within a defined communication range (7) regarding their position and / or speed and / or direction of movement and / or acceleration and / or dimensions, and in a tiered warning strategy, the communication data is evaluated in the control system, and in the event of a calculated possible and / or imminent collision, a first-stage warning is issued to the driver, and where, in the event of a possible and / or imminent collision detected via the environmental sensors (5), a second-stage warning is issued to the driver as an acute warning, characterized by that the system can be activated manually or automatically during a shunting operation, and that the communication unit (4) of the ego vehicle (2) sends ego vehicle data of its position and / or its speed and / or its direction of movement and / or its acceleration and / or its dimensions to compatiblely equipped surrounding vehicles (4).

1. Name of the designed product: current sensor (Ai wireless data acquisition). 2. Use of the designed product: current sensor for detecting current. 3. Design points of the designed product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The invention discloses a device and method for testing the inherent frequency of a blade, and relates to the technical field of rotating blade testing, the blade is installed on a propeller hub, and the device comprises an adapter shaft, the propeller hub is fixedly installed at the front end of the adapter shaft; a driving shaft of the rotation driving mechanism is in transmission connection with the adapter shaft so as to drive and control the adapter shaft to rotate; the monitoring assembly comprises a strain gauge, a wireless strain tester, a wireless data collector and an upper computer; the strain gauges are fixed on the paddles; the wireless strain tester is fixed on the adapter shaft; the strain gauge is electrically connected with the wireless strain tester; the wireless strain tester is in wireless communication connection with the wireless data collector, and the wireless data collector is in communication connection with the upper computer. According to the invention, a dynamic vibration test can be carried out in a blade rotating state to obtain inherent frequency data.

This main circuit breaker comprises: a main measurement device disposed in the main circuit breaker; and a wireless communication unit configured to transmit a wireless signal to a wireless data collection device. The main measurement device includes: a main measurement unit having a plurality of terminal contact units formed to be connected to a plurality of branch circuit breakers and connected to a terminal unit for each phase of the plurality of branch circuit breakers through each input terminal of the plurality of terminal contact units; and an optical transmission and reception module for transmitting circuit breaker status information of the main circuit breaker to the main measurement unit. The main circuit breaker may further include a light reflection sticker in which a light absorption region and light reflection regions are formed.

The invention is suitable for the field of heating, ventilation and air conditioning, and provides a modular assembly type integrated air pipe of a heating, ventilation and air conditioning system, and the modular assembly type integrated air pipe can be prefabricated in a factory and quickly assembled on site. The air pipe module comprises a double-layer pipe body and a hanging bracket assembly, is filled with a foaming heat preservation material and is provided with an integrated sensor, a micro turbine generator and a wireless data acquisition transmitter. In addition, the invention further provides a construction method based on the building information model (BIM). Through structural design and process improvement, the air pipe sealing performance and the heat preservation performance are guaranteed, and meanwhile the construction efficiency, the engineering quality and the intelligent operation and maintenance level of an air pipe system can be improved.

The invention discloses a building block type integrated design system for a wireless soil measuring instrument, which belongs to the technical field of soil measurement and comprises a sensor unit, a wireless data acquisition unit, a wireless data acquisition unit and a wireless data acquisition unit, the central unit is independently packaged; a wireless communication unit, wherein the wireless communication unit is independently packaged; the power supply unit is independently packaged; the alarm unit is independently sealed; the expansion unit is independently packaged; the peripheries of the sensor unit, the central unit, the wireless communication unit, the power supply unit, the alarm unit and the expansion unit are respectively provided with a cylindrical housing with a waterproof function, and the adjacent cylindrical housings can be connected with each other. The units can be combined together. According to the building block type integrated design system of the wireless soil measuring instrument, each sensor unit can work independently, the whole system is of a master-slave structure, the sensor units are in a slave mode, and the sensor units cannot interfere with one another.