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4099 results about "Data acquisition unit" patented technology

In aviation, a flight-data acquisition unit ( FDAU) is a unit that receives various discrete, analog and digital parameters from a number of sensors and avionic systems and then routes them to a flight data recorder (FDR) and, if installed, to a Quick Access Recorder (QAR). Information from the FDAU to the FDR is sent via specific data frames, which depend on the aircraft manufacturer.

Locomotive status messages checking and diagnosis recording method and device

InactiveCN101334667AReal-time monitoring of operating dataImprove securityElectric testing/monitoringEvent typeReal-time data
The invention provides a locomotive state information detection and diagnosis recording device, comprising a data collecting unit and a data processing unit; the data collecting unit is used for carry out real-time data communication with the on-board equipment of the locomotive and collecting the running data of the locomotive; the data processing unit is used for reading the data collected by the data collecting unit, obtains various events happened to the locomotive by carrying out classified logic judgment to the data according to different locomotive event types, writes all the events happened to the locomotive and corresponding parameters into a recording file and memorizes the file; meanwhile, the bidirectional transmission of the data between the locomotive and the ground can be realized by the wireless communication network. The invention also provides a locomotive state information detection and diagnosis recording method. The adoption of the device and the method of the invention realize the online diagnosis of the locomotive malfunction, record the running data of the locomotive objectively and practically, monitor the running state information of the locomotive in real time, and realize the bidirectional transmission of the data between the locomotive and the ground.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

LED optical parameter comprehensive testing device

The invention discloses an LED optical parameter comprehensive testing device, belonging to the technical field of optical parameter measurement. The LED optical parameter comprehensive testing device is technically characterized in that one end of a horizontal base provided with a one-dimensional mobile platform is fixedly provided with an arc-shaped clamp provided with a fiber-optic probe and astandard luminosity probe, the other end of the horizontal base is fixedly provided with an arc-shaped light collector consisting of an arc fiber-optic array and a linear array CCD (Charge Coupled Device), and a rotary clamping table for holding an LED to be tested is arranged on the one-dimensional mobile platform; light information acquired by the fiber-optic probe is converted into a spectrum band by a spectrograph and then is sent into a computer, outputs of the standard luminosity probe and the linear array CCD are sent to the computer through the data acquisition unit, the computer performs corresponding processing and operation on measurement data through measurement software to finally obtain the luminescence characteristics of the LED to be tested. According to the invention, theproblem on comprehensively measuring the LED on a single measurement instrument is solved; and the LED optical parameter comprehensive testing device has the characteristics of simplicity for operation, compact structure, fastness for measurement, easiness for realization and the like.
Owner:CHINA NORTH IND NO 205 RES INST

Data correlation query method and data correlation query device

The invention provides a data correlation query device and a data correlation query method. The data correlation query device comprises a data acquisition unit, an SQL (structured query language) execution unit, a cache number-picking formula construction unit and a cache execution unit. The data acquisition unit is used for obtaining a fundamental field of a fact table and selecting a field of a dimension table based on the fundamental field to be used as an correlation field for correlation of the fact table and the dimension table; and the SQL execution unit is used for implementing query operations through SQL statements based on the fundamental field and a datasheet with the fundamental field, and obtaining a result set; the cache number-picking formula construction unit is used for obtaining a main key value corresponding to the correlation field from the result set, and constructing a cache number-picking formula in combination with a data path with the correlation field; and the cache execution unit is used for obtaining the value of the correlation field according to the cache number-picking formula and combining the value of the correlation field and the result set to obtain final query results. The fact table and the dimension table can be associated efficiently, results can be implemented efficiently, the fatal pressure on the system caused by correlation query of the fact table and the dimension table with a large number of data can be avoided, and the efficiency can be improved.
Owner:YONYOU NETWORK TECH

On-line monitoring system for high voltage cable

The invention relates to an online monitoring system for high-voltage cables, which comprises a sensor, a data collection unit, a power supply device, and a network server. The sensor is arranged at the joint of a high-voltage cable and is used for collecting data such as the shield circulating current of the high-voltage cable joint, the core current, the surface temperature of the cable, and the ambient humidity and temperature and transmitting the data to the data collection unit. The data collection unit is arranged nearby the high-voltage cable joint and is used for collecting the data transmitted from the sensor and transmitting the date to the network server via a wireless network. The power supply device acquires power from the high-voltage cable and provides power to the data collection unit. The network server is installed in a control room and is used for receiving the data transmitted from the data collection unit in order to determine whether the power cable is in safe operation condition via special data analysis, thereby serving the purpose of helping maintenance personnel monitor the operation condition of the power cable at any time, and preventing the electrical faults from happening. In case that faults occur with the cable, the online monitoring system can send alarms promptly and locate fault points, thereby providing assistance for cable repair.
Owner:上海慧东电气设备有限公司 +3

Intelligent building energy management system

The invention relates to an intelligent building energy management system. The intelligent building energy management system comprises a system configuration unit for setting an energy consumption management object and manager information, an energy consumption data acquisition unit for acquiring the energy consumption management object, an energy auditing management unit for auditing the energy consumption management object, an equipment energy consumption management unit for monitoring and managing in real time by taking equipment as a unit, a region energy consumption management unit for detecting and managing in real time by taking a region as a unit, an energy forecast management unit for counting and analyzing energy consumption data, an energy consumption alarm and demand control unit for controlling a demand according to a unit load group, a load and contract capacitance information, an energy evaluation unit for optimizing energy scheduling and balance, saving energy and improving reactive power consumption, an energy plan unit for making a rational energy use plan according to the current energy use situation, and an energy management database. By the intelligent building energy management system, the energy real-time balance management and monitoring management of building groups can be realized effectively.
Owner:STRAIT INNOVATION INTERNET CO LTD

Entrance control system supported by multiple identities recognition

The invention discloses an entrance control system supported by multiple identities recognition, the data acquisition unit interfaces of multiple identities recognition are integrated in the system, so that the entrance control system supports multiple identities information recognition, and the entrance control system is capable of increasing, canceling or replacing the identity recognition data acquisition unit according to the practical need without repurchasing a set of entrance control system and redeploying, and improves the safe strength of the entrance control system without increasing the cost. In addition, the identities recognition data acquisition unit is only arranged outside the door by the entrance control system of the present invention, the door can not be opened from outside through the methods of retrying the administrator code, forcedly disassembling the entrance control system and decoding by the person outside the door, so that the security of the entrance control system is enhanced. Besides, an entrance control management unit and database are integrated by the entrance control system of the invention without using an extra PC machine to manage, thereby the entrance control system disposition can be simplified, and the invention has the advantages of convenient deploying and reduced cost.
Owner:丁峰

Highway operation safety-based mobile monitoring and early warning system and method

The invention discloses a highway operation safety-based mobile monitoring and early warning system and method. The system comprises a data acquisition unit, a data storage unit, a data processing unit, an electronic display screen and a wireless communication module, wherein the data acquisition unit, the data storage unit, the electronic display screen and the wireless communication module are all connected with the data processing unit; the system is arranged on a vehicle; and an accumulator is adopted to provide power. The method specifically comprises the following steps of: constructing a basic database; acquiring dynamic data by the data acquisition unit in real time; comparing real-time road condition parameters with safe road condition parameters by the data processing unit to generate early warning information; and transmitting the real-time road condition parameters and the early warning information to a monitoring center by the wireless communication module. According to the system and the method, the defects of the conventional fixed monitoring system and patrol vehicle can be made up, real-time detection and analysis of the highway road condition parameters are effectively improved, and the highway operation safety level and the emergency management capacity are improved.
Owner:郭忠印 +4

Real-time processing system for radar signals of outer radiation source based on GPU (Graphics Processing Unit) and processing method

The invention discloses a real-time processing system for radar signals of an outer radiation source based on a GPU (Graphics Processing Unit) and a processing method. The invention mainly solves the problem that conventional technologies are slow in speed and high in development expenses. The system comprises an octo-array element antenna, a data collection unit, a digital channelized receiving unit, a data transmission unit, a data processing unit and a terminal display and control unit. The data collection unit performs amplification, sampling, A/D (Analogue to Digital) conversion and down-conversion for eight signals of a frequency modulation broadcasting base station received by the octo-array element antenna and receives the signals by the digital channelized receiving unit in a digitalized manner; then, the received signals transmitted by the data transmission unit via an Ethernet card to the data processing unit for digital beam forming, clutter cancellation, distance-Doppler two-dimensional correlation, constant false alarm rate detection and amplitude comparison angle detection. The terminal display and control unit performs target infusion and track treatment for the processing result to obtain a target position. According to the real-time processing system for the radar signals of the outer radiation source based on the GPU and the processing method provided by the invention, the data processing speed is fast, and real-time processing of the radar signals of the outer radiation source can be realized with lower cost.
Owner:XIDIAN UNIV

System and method for monitoring intelligent video combining wireless radio frequency recognition technique

The invention discloses an intelligent video monitor system combined with radio frequency technique and a method thereof. The system is composed by a data collection unit, a storage unit, a control unit and an application unit. The method comprises the steps of: mounting the data collection unit on a monitor scene as required by the monitor scene, enabling a monitored object to carry an electronic label including an exclusive identification coding, recording in the storage unit the distribution situation of the electronic labels, probability grammar describing motion rules of the object on the monitor scene and a variety of other information on the scene, ceaselessly capturing information of videos and electronic labels by the data collection unit, and transmitting the information upwards and continuously to the application unit via a network to realize the monitor to the monitored object. The invention effectively shortens the time as required by retrieving a video stream comprising particular objects and integrates merit about the radio frequency identification to batch-identify the objects at high speed, thereby the invention is convenient to track and monitor the monitored objects on condition of high density and improve system intelligence, as well as suitable for online application, expedient intelligent monitor system.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Monitoring method and device of power system

InactiveCN101900777ARealize the whole process monitoringReduce secondary wiringSynchronous motors for clocksFault locationCommunication interfacePrimary station
The invention discloses a monitoring method of a power system, comprising the following steps of: acquiring a running state signal of the power system in real time by a sensor positioned in a power grid; sampling the running state signal by taking a second pulse signal of a satellite synchronous clock as a sampling reference signal and outputting the acquired data to a function application unit of a data application layer through an optical fiber communication interface by a data acquisition unit; and analyzing and processing the acquired data and transmitting the processed result to a main monitoring station through the function application unit. The invention integrates functions of phasor quantity monitoring, fault recording, traveling wave fault location and the like into a monitoring device, considers the expanding demand of a hardware platform on realizing an IEC61850 communication protocol system in the selection of the hardware platform and realizes the monitoring in the whole process of the running state of the power system. The functions realized by the three sets of traditional equipment are realized by one set of equipment, and the secondary wiring is reduced, so that the maintenance cost and the asset investment can be greatly reduced.
Owner:HENNAN ELECTRIC POWER SURVEY & DESIGN INST
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