45results about How to "Realize wireless monitoring" patented technology

The invention discloses a heat exchanging station intelligent network control system and belongs to heating heat exchanging equipment, especially program control systems of a heat exchanging station. The heat exchanging station intelligent network control system comprises heat exchanging station local control systems, communication lines and a remote monitoring system. Each heat exchanging station control system mainly comprises a pressure sensor, a temperature sensor, a flow sensor, a liquid level sensor, an outdoor temperature sensor and an intelligent controller. The remote monitoring system comprises a server, an engineer station, an operator station and displaying, printing and inputting equipment. The remote monitoring system is connected with the multiple heat exchanging station local control systems through the communication lines. The heat exchanging station intelligent network control system detects various parameters of heat exchanging stations, the parameters are compared with standard data models, computing is carried out, under the basic premise that the using requirement is guaranteed, each heat exchanging station is adjusted and controlled, energy loss is lowered, and heat exchanging system operation efficiency is improved.

The invention discloses a machine running state online monitoring analysis system based on noise and vibration analysis. The system comprises a vibration measuring and collecting circuit, a noise measuring and collecting circuit, a DSP system, an ARM system, a network transmission system based on ZIGBEE and a computer server monitoring system. The vibration measuring and collecting circuit comprises a vibration measuring sensor, an amplifier circuit and an A/D converter circuit. The noise measuring and collecting circuit comprises a noise measuring sensor, an amplifier circuit and an A/D converter circuit. The DSP system comprises a DSP minimum system and a communication interface of a DSP and an ARM. The ARM system comprises an ARM minimum system and ZIGBEE transmission equipment controlled by the ARM for communication. The computer server monitoring system comprises network transmission equipment based on ZIGBEE and a center server computer. The machine running state online monitoring analysis system has the advantages that on the basis of integral running of the system, rapid recognition of the machine running state is well achieved, and great convenience is brought to rapid machine overhauling and large loss prevention.

The invention provides a dipole antenna wireless strain sensor, and relates to the wireless strain sensor. According to the wireless strain sensor, the strain of a monitored structure is reflected by measuring the resonant frequency deviation of a dipole antenna. The wireless strain sensor is composed of a dipole layer (1), a dielectric substrate (2) and an earth plate (3). The dipole layer (1) and the earth plate (3) are attached to the upper surface and the lower surface of the dielectric substrate (2) respectively to constitute the dipole antenna. In the using process, the other face of the earth plate (3) is bonded to the monitored structure (4), the strain of the monitored structure (4) can cause the strain of the dipole antenna, and the strain of the dipole antenna can cause deviation of the resonant frequency of the dipole antenna. Accordingly, the strain condition of the surface of the monitored structure can be reflected through wireless monitoring of the variation of the resonant frequency of the dipole antenna.

The invention discloses a household illumination intelligent monitoring system. The system comprises a remote control terminal, a wireless radio frequency communication module, a concentrator, a low-voltage power line carrier communication module, an LED lamp control module and an LED lamp. The concentrator is connected with the LED lamp control module through the low-voltage power line carrier communication module, the LED lamp control module is connected with the LED lamp, the concentrator connects acquired information with the remote control terminal through wireless transmission and a power line through connection with the wireless radio frequency communication module and the low-voltage power line carrier communication module, and the LED lamp control module comprises a brightness sensor, a pyroelectric photoconductor, a clock module, a fault sensor and a control circuit. The household illumination intelligent monitoring system realizes integrated management and wireless control, through combination with an environment illumination effect, adjusts the brightness of the LED lamp in real time, reduces the output and waste as much as possible, at the same time, transmits monitoring instructions and illumination signals by use of an electric power carrier wave mode, eliminates the cost problem brought by independent network wire arrangement and reduces the construction difficulty.

The invention provides a farmland ecological environment monitoring system used for precision agriculture. The farmland ecological environment monitoring system comprises a farmland ecological environment monitoring module, a data analysis and processing module and an intelligent terminal. The farmland ecological environment monitoring module and the intelligent terminal are connected with the data analysis and processing module in a communication way. The farmland ecological environment monitoring module is a wireless sensor network for monitoring the farmland ecological environment and usedfor acquiring farmland ecological environment parameters and transmitting the farmland ecological environment parameters to the data analysis and processing module. The data analysis and processing module is used for storing the farmland ecological environment parameters and other farmland information and used for analyzing and processing the farmland ecological environment parameters. Wireless monitoring of large area of farmland ecological environment can be realized.

The invention provides an online intelligent monitoring system for power transformation equipment. The online intelligent monitoring system for the power transformation equipment comprises a WSN (wireless sensor network)-based power transformation equipment sensing monitoring module, a monitoring centre and an intelligent terminal; the power transformation equipment sensing monitoring module is used for acquiring power transformation equipment state data and transmitting the acquired power transformation equipment state data to the monitoring centre; the monitoring centre is used for performing data analysis and processing on the power transformation equipment state data, and judging the health state of the power transformation equipment in time; the intelligent terminal is used for acquiring the power transformation equipment state data and the health state of the power transformation equipment by accessing the monitoring centre. According to the online intelligent monitoring system for the power transformation equipment, wireless monitoring of the power transformation equipment is realized.

The invention provides a bridge health monitoring system based on a wireless sensor network. The bridge health monitoring system comprises a bridge monitoring apparatus based on the wireless sensor network, a base station device and a bridge monitoring center; the bridge monitoring apparatus based on the wireless sensor network includes multiple sensor nodes; the sensor nodes perform monitoring perception on each dangerous part of a bridge and send obtained perception data of the dangerous parts of the bridge to the base station device; the base station device gathers the perception data, sentby each of the sensor nodes, of the dangerous parts of the bridge, processes the perception data and forwards to the bridge monitoring center; and the bridge monitoring center is used for performinganalysis and processing on the perception data, sent by the base station device, of the dangerous parts of the bridge, and outputs a monitoring result. According to the bridge health monitoring system, the wireless monitoring of the bridge is implemented by employing a wireless sensor network technology, the system structure is simple, the monitoring precision is relatively high and the manpower and material resources can be effectively saved.

The invention discloses a wireless monitoring system for underground coal separation chamber surrounding rock based on mine breeze energy harvesting. The wireless monitoring system comprises a control center, a communication base station, an SINK node and a monitoring terminal which are connected in sequence. The monitoring terminal comprises a displacement sensor, an energy supply unit, a first processor unit and a first communication unit, and the energy supply unit comprises a wind power generation module and an energy management module. Displacement of the underground coal separation equipment chamber surrounding rock can be monitored dynamically, breeze energy existing in the chamber surrounding rock is converted into electric energy through the wind power generation module, the power supply problem of WSN nodes is solved, wireless monitoring of an underground coal separation equipment chamber is realized truly, no circuit needs to be arranged in the chamber, damage to stability of the chamber and a passage by circuit slots is avoided, the chamber environment is not affected, and normal work in the chamber can be conducted conveniently.

The present invention provides an intelligent monitoring system for the status of wind turbines, including a status monitoring module for wind turbines, a data analysis and processing center, and an intelligent terminal. The status monitoring module for wind turbines is used to collect status data of wind turbines The data is collected and sent to the data analysis and processing center; the data analysis and processing center performs data analysis and processing on the status data of the wind turbine to judge the health status of the wind turbine in time; the smart terminal obtains the status of the wind turbine by accessing the data analysis and processing center Data and health status of wind turbines. The invention realizes the wireless monitoring of the state of the wind turbine.

The invention provides an energy harvesting power generator for a marine riser. The energy harvesting power generator for the marine riser comprises a flexible film type energy harvesting power supply structure, wherein the marine riser is externally wrapped in the flexible film type energy harvesting power supply structure, and multiple piezoelectric units are packaged in the flexible film type energy harvesting power supply structure. Enough electrical energy for a detection system of a marine pipeline and a detection data transmission system can be completely provided through electrical energy generated by the energy harvesting power generator, an electrical energy storage device is further comprised, when the generated electrical energy is in surplus, extra electrical energy can be stored, and continuous system power supply can be guaranteed. According to the energy harvesting power generator, wireless pipeline detection in the special marine environment and wireless detection data transmission can be directly supported, and the energy harvesting power generator represents important innovation of the underwater structure detection technology.

The invention relates to a probe collection method and system. The method comprises the following steps: scanning wireless network signals within a predetermined range, generating a corresponding analog signal according to wireless router information configuration corresponding to the scanned wireless network signals and corresponding parameters to to-be-simulated wireless router information, generating a de-authentication message according to the analog signal and sending the de-authentication message to a specified client, and connecting, by the specified client, the analog signal, collecting the data of the client for analysis in real time to achieve wireless monitoring of the data of the specified client. The probe collection system is based on the WIFI network and can be monitored without being fixed to a specific location, thereby being inexpensive and very convenient.

The invention belongs to the technical field of cable monitoring, and particularly relates to a real-time monitoring system for mine high voltage cables based on LPWAN (Low Power Wide Area Network), the system comprises a temperature sensor, a signal amplifier, an AC / DC converter, a microcontroller, a data transmission terminal, and a monitoring terminal; the temperature sensor is connected withthe signal amplifier, which is connected with the AC / DC converter; the AC / DC converter is connected with the microcontroller, which is connected with the data transmission terminal. According tothe real-time monitoring system for mine high voltage cables based on the LPWAN, state of cables during normal operation can be monitored, so that monitored information is more real; financial loss due to power failure detection is effectively reduced; on-line monitoring of cable fault is realized actually, an insulation layer of the cable does not need to be stripped thereby reducing damage to the insulation layer of the cable, online monitoring and positioning on cables inside underground coal mine are realized, and accurate position and maintenance of maintenance personnel are greatly facilitated and promoted.

The invention discloses an automatic monitoring and alarming system for koji-making plant temperature, which comprises a collecting node, a coordinator node, a monitoring terminal and a client arranged at each detecting point, wherein the collecting node comprises a detecting unit, a control unit and a wireless transmission unit; the collecting node is wirelessly connected to the coordinator node;the wireless transmission unit and the coordinator node adopt ZigBee modules; the coordinator node is connected to the monitoring terminal; the monitoring terminal includes a processing unit, a communication unit, a display unit, an alarm unit and a storage unit; the communication unit, the display unit, the alarm unit and the storage unit are respectively connected to the processing unit; and the monitoring terminal performs wireless communication with the client through the communication unit. The system wirelessly transmits the collected temperature and humidity data collected by the collecting node to the monitoring terminal through the ZigBee network, and the monitoring terminal wirelessly transmits the temperature information and the alarm information to the mobile client through ashort message module, thereby realizing wireless monitoring on the temperature and the humidity of the koji plant.

A combined solid insulated switchgear comprises a shock absorbing seat, a busbar chamber, a circuit breaker chamber and a cabinet body. The cabinet body is mounted at the top of the shock absorbing seat and provided with an interlayer, the interlayer is filled with a non-Newtonian liquid, an upper door body is mounted at the top of one side of the cabinet body and provided with a nameplate, a lower door body is mounted at the bottom of one side of the cabinet body, a control panel is mounted at the top of one side of the lower door body, and an analog busbar is mounted at the central positionof one side of the lower door body. A current detector is installed at the top of one side of the cabinet body, and an alarm is installed on the cabinet body below the current detector.