491 results about "Wireless data acquisition" patented technology

The present invention is a complete solution for mission critical facilities to create a safe environment and energy efficient CRAC system. The invented system collects mission critical facility volume environmental and energy data in real time, and uses big data analytics to provide adaptive group control to CRACs. The data is visualized in 2D and 3D graphs, dashboard, history curves and reports locally and through the cloud. The present invention also provides user management to allow authorized users to view and control the racks/servers owned or rented by these users. The present invention is comprised of four companion patents: 1) A Battery-powered Wireless Long Life Temperature and Humidity Sensor Module, 2) An Intelligent Multi-channel Wireless Data Acquisition Gateway, 3) Mission critical facility Three Dimension Temperature Contour Generator, and 4) An Adaptive Automatic CRAC Master Control Method.

Data is acquired by a data acquisition unit and wirelessly transmitted to a data transfer device that wirelessly retransmits the data to a data processing device.

A wireless data acquisition and recording (DAR) system includes acquisition circuitry including a video camera and/or a microphone carried by an operator for capturing video and audio events viewed and/or heard by the operator. A wireless transmitter wirelessly transmits digital signals containing the video events captured by the video camera and the audio events detected by the microphone. A data display and report submission (DD) device receives the wirelessly transmitted digital data captured by the acquisition circuitry and stores the data as media files.

The invention discloses a low-power wireless data acquisition system comprising a data processing server, a data acquisition node and a ZigBee wireless personal area network, wherein the data acquisition node comprises at least one sensor module and a wireless transmit-receive module, the sensor module takes charge of acquiring data, and the wireless transmit-receive module takes charge of transmitting the acquired data; and the ZigBee wireless personal area network also comprises at least one data convergence node with a ZigBee terminal, takes charge of receiving the acquired data from the data acquisition node, packs into ZigBee network data and then transmits to a ZigBee router node or a ZigBee coordinator node. The invention enables the whole system to achieve ideal cluster tree topology under an easiest condition and have lower powder consumption relative to the traditional wireless network applying the cluster tree topology and omits the secondary development of a network layer of a ZigBee protocol by combining a point-to-point wireless transceiver with the ZigBee wireless personal area network, thereby greatly shortening the development period.

The invention discloses a system for data communication between a power distribution master station system and a power distribution terminal. The system comprises at least one wireless data collection terminal and an access point network (APN) transmission network, wherein the wireless data collection terminals are connected with the power distribution terminal one by on and used for collecting electric power information of grid primary equipment in the corresponding power distribution terminal, and transmitting the collected electric power information to a mobile communication network through a preset communication protocol, or transmitting command data received through the mobile communication network to the corresponding powder distribution terminal; and the APN transmission network is used for receiving the electric power information which is transmitted to the mobile communication network from each wireless data collection terminal according to the preset communication protocol and transmitting the electric powder information to the master station system or forwarding the command data transmitted by the master station system to the corresponding wireless data collection terminal through the mobile communication network. The invention also discloses a corresponding method for data communication between the distribution master station system and the distribution terminal. The system and method provided by the invention ensure the security and accuracy of data transmission and great reduction of communication cost.

A simulation experiment platform and an experiment method for motion of cord suspension parallel mechanism, mainly comprise a machine frame, a suspension platform, wire ropes, directive wheels, rope devices, plates and a detection control system. The directive wheel is installed on the top of the machine frame. One end of each wire rope is enlaced on the rope device, and the other end is connected to the suspension platform rounding the directive platform. Rope devices are installed on the plates, and the plates are fixed on the plate brackets at the two sides of the machine frame. The detection control system comprises tension sensors, stay rectilinear transducers, rotary encoders, an attitude reference, a wireless data collection launcher, a wireless data receiver, a PLC controller, a transducer and an industrial personal computer. The experiment platform can simulate the suspension platform dynamic behavior and wire rope strain change event when process during the suspension platform centroid eccentricity and wire rope operation speed out of sync, and can examine the control performance of the controller when the designed suspension platform is in a steady operation. The experiment platform and the experiment method have a tight structure, a small space usage and a high automaticity.

The invention provides an embedded platform-based wireless remote supervision system, relating to the wireless remote supervision electricity technical field; the system includes three parts of a ZigBee terminal node-based wireless data collection system, a ZigBee technology-based wireless data transmission system and an embedded ARM platform-based data processing and Ethernet data transmission system. The invention specifically comprises monitored device, a ZigBee terminal node, a ZigBee route node, an ARM platform ZigBee center node coordinator and a monitoring central computer, wherein the embedded ARM platform is provided with Linux; the ARM platform reads data of the ZigBee center node by a serial port, analyzes and processes the data and displays the data on a LCD(touch screen) of the ARM platform; simultaneously, the analyzed and processed data can be transferred to the monitoring central computer through the Ethernet of the ARM platform. The invention has the characteristics of high performance, low power dissipation, low cost, easy networking, easy installation and good compatibility.

A method for dynamically regulating data transfer rate by storing data according to different quality grades and dynamically selecting data with different quality grades for sending in a wireless application service system is provided. The wireless application service system comprises a wireless data acquiring device, an intelligent control service device and a wireless communication user terminal. The intelligent control service device of the wireless application service system regulates the qualities of data input sources according to the requirements of wireless communication user terminals and the maximum quality supported by the wireless data acquiring device, and sets different quality grades to store source data; when real-time play service or replay service is carried out, the intelligent control service device dynamically regulates and selects the data source with different quality grades according to the feedback channel quality reports of the current wireless communication user terminal, including signal intensity, signal-to-noise radio, path damage, packet loss ratio and the like, and sends the data selected to the data source to the corresponding wireless communication user terminal.

The invention discloses vehicle-mounted engineering machinery remote wireless data collection and monitoring system and a method. An analogue value, a switching value, a frequency value, a RS-232 interface, a CAN bus interface, a global positioning system (GPS) module, a power module, a real-time clock, an external expanding memory, a programming and debugging module and a general packet radio service (GPRS) communication module in a data collection device are respectively connected with a microcontroller; a control input module, a data communication module, a database storage processing module and a data display module are respectively connected with a data controller in a data monitoring device; and a GPRS communication module of the data collection device is connected with the data communication module of the data monitoring device in a wireless mode through transmission control protocol (TCP) data communication protocol. The system has rich and varied data collection channels, data collection storage, data collection transmission and the period can be remotely configured, local storage data of the data collection device can be remotely extracted, the collected data can be ensured not to lose when a wireless communication network is unawailable. The invention is suitable for vehicle-mounted engineering machinery remoter wireless data collection and monitoring.

The invention discloses a system and a method for testing analyzing automobile vibration, comprising a three-direction acceleration sensor, a single-direction acceleration sensor, a signal regulating module, a radio data collecting card and a monitoring computer. The three-direction acceleration sensor and the single-direction acceleration sensor are arranged on a key part during the running of the automobile and are used for respectively obtaining and outputting the vibrating signals of each key part during the running of the automobile; the signal regulating module is connected with the output ends of the three-direction acceleration sensor and the single-direction acceleration sensor and used for regulating and outputting the signals output by the three-direction acceleration sensor and the single-direction acceleration sensor; the radio data collecting card is connected with the signal regulating module and used for collecting and wirelessly outputting the regulated signals of the signal regulating module; the monitoring computer is provided with a radio data receiving end and is used for receiving the radio signals output by the radio data collecting card as well as testing and analyzing the vibration signals during the running of the automobile. The device has simple hardware structure, realizes the diagnosing and analyzing function by software, facilitates the upgrading and maintenance, and is conveniently carried.

The invention discloses a wireless network system for achieving synchronous acquisition, a synchronous acquisition device and a method. The wireless network system for achieving synchronous acquisition comprises a master controller and n wireless data collection terminals (n is greater than or equal to 2). The synchronous acquisition device comprises a GPS receiver, a CPLD clock processing module and an analog digital converter. The method for achieving synchronous acquisition includes the steps that the data collection terminals are divided into a main data collection terminal and a plurality of assistant data collection terminals, the fact that all the data collection terminals are in a Ready state is confirmed before acquisition, then the master controller sends a Prestart order to the main data collection terminal, the main data collection terminal replies an OK order after receiving the Prestart order when the next PPS arrives, the master controller sends a Start order to all the data collection terminals after receiving the Prestart order, starting of all the data collection terminals at the same moment is achieved through the process, and synchronous acquisition is achieved ultimately.

This invention relates to wireless data collection and process method and system, which orderly comprises data adjuster, analogue low pass filter, A/D converter, main processor, wireless communication module and receive antenna and memory connected to main processor and power module with power parts. The method comprises the following steps: adjusting digital signal form digital filtering and processing analogue low pass filter converted into digital signals; after filtering on digital signal and processing time zone signal compression and property extracting to realize wireless receive and send of data.

The invention is a large-scale flow industrial device field-level monitoring system based on wireless sensor network, belonging to industrial device remote monitoring and failure diagnosis field. And the system comprises: data collection wireless sensor nodes, data relay transmission backbone nodes, and gateway for collecting data and collecting data into enterprise intranet. According to different application requirements, it comprises the courses of: using the backbone nodes, sensor nodes or gateway as cluster heads to generate field-level data collection clusters and making collisionless data transmission from in-cluster nodes to cluster heads. And its advantages are convenient to install, wide application in wireless data collection mode by wireless communication and embedding techniques.

The invention relates to a wireless ground penetrating radar system, comprising a wireless data collection sub-system and a ground penetrating radar front end sub-system, wherein the wireless data collection sub-system comprises a collection and storage and display unit; the ground penetrating radar front end sub-system comprises a battery, a power supply manostat, an Ethernet controller, an ARM controller, a digital signal processor, an A/D converter, a digital controller, a sequential system, a transmitter, a transmitting antenna, a receiving antenna and a receiver; and the collection and storage and display unit and the Ethernet controller can be connected in a wireless/wired manner. The system is free of restriction of weight and volume as well as limitation of devices in the process of grounding scanning and ground distribution confirmation, and has less power consumption. No movement of the wireless data collection sub-system is needed.

The invention discloses a drilling bit for guiding horizontal rotatably-jetting construction and a construction method thereof. The drilling bit comprises a drilling bit main body and a wedged plate which is fixedly connected to the head of the drilling bit main body; the side wall of the drilling bit main body is also provided with a groove; a probe is embedded in the groove and provided with a wireless transmitter; a signal transmitted by the wireless transmitter is acquired by a wireless data acquiring instrument which is in signal connection with a displayer through a high-frequency wireless transmitting module and an antenna; and the wireless data acquiring instrument is connected with the INTERNET through GPRS (Global Position System). The invention can determine the driving direction of the drilling bit and the concrete position of a spraying nozzle, can change the drilling direction, automatically rectify a deviation and carry out long-distance operation on a horizontal rotatably-jetting pile with high precision if necessary, can additionally jet in a specific direction according to the direction and ensure the safe construction of tunnels or other underground projects.

A blue-tooth wireless sensor includes a data collection module, a blue-tooth wireless moule further processing and transmitting data wirelessly, a program control module responsible for data collection, process and data communication with a level device. This device is mainly used in wireless data collection under industrial field control, it can set up connection and carry out data exchange with any device in conformity with blue-tooth wireless sensor stipulations and forms a wireless acess system with the level device by forming networks with multiple sensors to be used in many fields difficult of laying out cables.

The invention relates to a vehicle wireless sensor system and a detection method thereof, in particular to vehicle status detecting system and a detection method thereof based on the ZigBee wireless sensor network and the GPRS wireless data transmission network. The vehicle wireless sensor system comprises a transmission unit and a reception unit. The transmission unit comprises a wireless humidity sensor and a wireless door-closing/opening sensor. The wireless humidity sensor is arranged at an air returning opening of an air conditioner in the carriage. The wireless door-closing/opening sensor is arranged in the carriage and triggered by a door magnetic signal. The reception unit adopts a wireless data collector arranged on the vehicle body. The detection method of the vehicle wireless sensor system comprises the following steps: 1) after the reception unit is electrified, the transmission unit is triggered and then transmits a radio frequency signal, and the reception unit receives and verifies the radio frequency signal; 2) the reception unit analyzes the received data; and after the reception of correct data frames from a transmitter and the processing of step 2), the reception unit transmits the data through RS232 level to a GPS vehicle terminal.

The invention relates to an industrial field data internet-of-things management system comprising wireless data acquisition transmitting terminals, wireless data forwarding terminals, PLC control systems, DCS control systems, a wireless data receiving terminal, a wireless terminal solar power supply device, a wireless data acquisition processing server and a communication manager. The parts are successively connected. The wireless data acquisition transmitting terminals are arranged at all station points of the industrial field. After every few adjacent station points are connected in a wired mode for networking, a set of wireless data forwarding terminals, PLC control systems, DCS control systems are installed; the data are transmitted to the wireless data receiving terminal and then are sent to the wireless data acquisition processing server; and the wireless data acquisition processing server is connected with a company internal area network, an external internet network or a GPRS network by the communication manager, thereby realizing data sharing/processing. According to the industrial field data internet-of-things management system, the communication manager can be fused with existing different mainstream communication networks; and useful data can be provided for the MES and ERP systems.

The invention discloses a wireless data collecting control system, and belongs to the technical field of geological disaster monitoring. The wireless data collecting control system comprises an information analysis control unit (1), a deep deformation monitoring unit (2), an earth imaging and distance measurement disaster monitoring unit (3), a precipitation monitoring unit (3), an air speed monitoring unit (5), a temperature and humidity monitoring unit (6), a chemical gas monitoring unit (7), a distributed sensor monitoring unit (8), a sonar monitoring unit (9), a GSM/GPRS antenna transmitting unit (10) and a disaster alarm unit (11). Compared with the prior art, the wireless data collecting control system has the advantages of being reliable in performance and stable in work, enabling precaution warnings to be carried out in advance and the like.

A plunger pair friction measurement device with a rotating cylinder body mainly comprises spiral groove type capillary throttling devices, a floating liner, a flow guide boss, a ball head force measurement touch rod, a force measurement connecting rod, a connecting rod chuck, a rotatable multi-dimensional force sensor, a wireless data collection device, the cylinder body, a casing communication oil lead duct, a pressure oil lead duct and a static pressure bearing oil supply hole; the three spiral groove type capillary throttling devices which are distributed on the circumference in an equally spaced mode are used for leading the pressure oil in a plunger chamber into a static pressure chamber which is formed on the outer surface of the floating liner through the pressure oil lead duct and the static pressure bearing oil supply hole to form a static pressure bearing assembly; the cylinder body cylindrical surface of the plunger chamber area is provided with the casing communication oil lead duct; a ball head of the force measurement touch rod is embedded in the floating liner so as to transfer the friction force of a plunger to the rotatable multi-dimensional force sensor through the force measurement connecting rod and the connecting rod chuck; the wireless data collection device is fixed; a small gap is reserved between the wireless data collection device and the sensor; data are transmitted out through a cable which is arranged on the wireless data collection device.

The invention discloses a wireless test and data transmission system monitoring method. The method comprises the steps that a communication system which comprises a control center, a wireless data acquisition terminal and a wireless data transmission module is built, wherein the wireless data acquisition terminal can send data to the wireless data transmission module and receive data from the module; a safe communication channel is established; the wireless data acquisition terminal and the control center are in two-way connection; the control center processes and controls data into the wireless data acquisition terminal of the system; the control center completes safe verification of the wireless data acquisition terminal through the safe communication channel; if the acquisition terminal is not safe, the wireless data acquisition terminal is prevented from coming into the system for data encryption storage and exchange; and if the acquisition terminal is safe, the acquisition terminal is allowed to carry out data encryption storage and exchange. According to the monitoring method, wireless detection and transmission can be carried out on the power consumption information of an intelligent power grid user; detection continuity and accuracy of the power consumption data of the user can be ensured; and the confidentiality and the safety of power consumption information transmission can be ensured.

The invention discloses a wireless data collection and control device based on a 3G (the third-generation telecommunication)/Beidou satellite communication technology. The wireless data collection and control device comprises an on-site collection end integrating 3G communication and Beidou communication and a receiving control end formed by connecting a Beidou receiving end with a personal computer (PC) client-side, wherein the receiving control end is used for achieving data reception and transmission of control instructions. The on-site collection end integrates a Beidou module, a 3G module, a control module, a liquid crystal display (LCD) touch screen display module, a collection module, an isolation module and other auxiliary modules and the like to achieve data transmission and instruction reception. Six functions such as data collection, remote control, 3G communication, Beidou communication, Beidou positioning and Beidou time service are effectively integrated through the wireless data collection and control device, intelligent switching between the 3G communication and the Beidou communication is achieved, and the wireless data collection and control device can simultaneously work in areas with base station signal coverage and remote areas without base station signal coverage.

A wireless data acquisition and recording (DAR) system includes acquisition circuitry including a video camera and/or a microphone carried by an operator for capturing video and audio events viewed and/or heard by the operator. A wireless transmitter wirelessly transmits digital signals containing the video events captured by the video camera and the audio events detected by the microphone. A data display and report submission (DD) device receives the wirelessly transmitted digital data captured by the acquisition circuitry and stores the data as media files. The DAR system can also authenticate date, time, and location of the captured video and audio events. The DAR system can also encode the recorded events for authentication purposes and can scramble the data to prevent use by unauthorized persons.