Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

42results about How to "Effective means of monitoring" patented technology

Intelligent online monitoring and pre-warning system for cable operation condition

The invention relates to an intelligent online monitoring and pre-warning system for cable operation condition. The intelligent online monitoring and pre-warning system comprises a monitoring terminal and a monitoring center master station, wherein the monitoring terminal acquires monitoring parameters of the cable operation condition, such as the grounding current of the metal protective layer of the cable, cable joint temperature, combustible gas content, poisonous gas content, oxygen gas content, smoke, water level and manhole cover security, in real time and reports the acquisition data to the monitoring center master station in a timing manner through a wireless network; the monitoring center master station is used for timely carrying out storage, statistic, analysis, display and processing on the reported acquisition data and has functions of acquiring synthetic data of cable operation, monitoring the operation state in real time, displaying image data, pre-warning a fault and giving an alarm, carrying out statistic analysis of information data and the like. The intelligent online monitoring and pre-warning system can provide an effective monitoring method for ensuring the cable trench line security, ensure that the high-voltage cable line runs stably and reliably and greatly improve the power supplying reliability.
Owner:STATE GRID CORP OF CHINA +1

Portable electrocardiosignal detection wireless sensor device

The invention provides a portable electrocardiosignal detection wireless sensor device comprising a power supply 1, a non-paste electrode 2, an electrocardiosignal collecting and processing module 3, a wireless transceiver 4 and an annular connecting wire 5, wherein the power supply 1 is used for supplying power to the portable electrocardiosignal detection wireless sensor device; the non-paste electrode 2 is used for picking up electrocardiosignals of human surface skin, and then, the electrocardiosignals are transmitted to the electrocardiosignal collecting and processing module 3 by a specific circuit to process the electrocardiosignals which are possibly and seriously interfered and polluted in a transmission process; the wireless transceiver 4 is used for wirelessly transmitting an electrocardiogram data packet in low power-consumption and relatively setting and controlling a work mode of the electrocardiosignal collecting and processing module 3, and the like at the same time; and the annular connecting wire 5 is connected with the non-paste electrode 2, various function modules and a necklace ornament 6. The portable electrocardiosignal detection wireless sensor device is physically presented in a type similar to a necklace and used for continuously monitoring human electrocardiosignals in real time for a long period on the premise of satisfying wear comfort and portability.
Owner:SOUTHEAST UNIV

Monitoring system and monitoring method of lock for intelligent meter box

The invention discloses a monitoring system and a monitoring method of a lock for an intelligent meter box. The monitoring system comprises a card dispensing master station, a key terminal, a lockset and a master control terminal, wherein the card dispensing master station is connected with the key terminal; the key terminal is connected with the lockset and the master control terminal; the master control terminal is connected with the lockset. The method comprises a step that the card dispensing master station issues electronic key authority to the key terminal, a step that the key terminal unlocks the lockset and stores electronic key unlocking data, and a step that the master control terminal monitors the unlocking by the key terminal. The system records electric key unlocking time, unlocking times, an unlocking operator, a key issuing event and the like in real time by the master control terminal, so as to carry out an effective monitoring means on opening and closing conditions of an electric power metering box; the state of a door for a meter box is supervised in real time by a box door state detection circuit; when a circumstance that the meter box is opened abnormally is discovered, the circumstance can be reported to a concentrated meter reading master station in an active reporting way by a communication module, thereby reminding a management to treat the circumstance in time.
Owner:XIAN LIANGLI INSTR & METER

A worker wage distribution method

InactiveCN109359945APrevent defaultPrevent embezzlementFinanceOffice automationPaymentDistribution method
The invention discloses a worker wage distribution method, which relates to the technical field of communication. The method comprises the following steps: a bank server creates account information ofa wage special account of a labor employing unit; The monitoring end creates the project information and associates the account information of the special payroll account with the project information; The monitoring end creates worker information and labor contract information, and associates the worker information and labor contract information with the project information. The attendance equipment collects attendance information of workers and sends the attendance information to the monitoring end. The monitoring end creates the payroll information; The bank server sends an instruction to check the current batch of salary payment information to the monitoring end, the monitoring end sends a feedback instruction of salary payment information, the bank server executes salary payment according to the feedback instruction, and sends the salary payment result information to the monitoring end. The invention can prevent the labor employing unit from defaulting, deducting and misappropriating workers' wages, realize effective supervision on workers' wages, and promote the legal employment of the labor employing unit.
Owner:湖北会基网络科技有限公司

Sensing device of disassembly of fastener and sensing method

The invention discloses a sensing device of disassembly of a fastener, comprising a first element and a second element; the matching of the first element and the second element plays a role of fixing; the sensing device of disassembly of the fastener is used for sensing whether the fastener is disassembled and comprises a sensing unit arranged on the first element and a sending unit; the sensing unit is used for sensing whether the displacement of the second element or the relative displacement of the second unit and the first unit is happened; and the sending unit is used for sending out abnormal information sensed by the sensing unit. The sensing device of disassembly of the fastener realizes the function of providing accurate positioning and abnormal information of the fastener for the remote security protection monitoring center, has low cost, high reliability, strong real-time and good environmental adaptation and provides an effective monitoring means for security protection of key properties of communication towers, power transmission line towers and the like.
Owner:中科院无锡高新微纳传感网工程技术研发中心

Electrical fire smoldering hidden danger identification system based on volatile gas detection

ActiveCN106018318AQuick identification and early warningRapid identification and early warningAnalysing gaseous mixturesColor/spectral properties measurementsElectric power distributionPyrolysis
The invention relates to an electrical fire smoldering hidden danger identification system based on volatile gas detection. The system consists of a polymer pyrolysis volatile gas collection tank, an electromagnetic valve, an air pump, a gas analyzer, an electrical parameter measuring sensor, an electrical parameter measuring instrument, and a processor unit. The electrical parameter measuring sensor is disposed in a power distribution system loop of a monitored physical space, and the output end is connected to the processor unit by the electrical parameter measuring instrument, the polymer pyrolysis volatile gas collection tank is disposed in the monitored physical space, and the gas outlet of the polymer pyrolysis volatile gas collection tank is communicated with an air chamber inlet of the gas analyzer, the air pump pumps the air from the monitored physical space into the air chamber of the gas analyzer through the electromagnetic valve, the output end of the gas analyzer is connected to a gas information input end of the processor unit, and the output control end of the processor unit is interconnected with a fire fighting linkage control system through the Internet, thus realizing rapid identification and early warning of a low-voltage distribution system's electrical fire smoldering hidden danger.
Owner:陕西建工安装集团电气科技有限公司

Intelligent lightning-proof power distribution cabinet

The invention belongs to the field of a power distribution cabinet, and particularly relates to an intelligent lightning-proof power distribution cabinet, which consists of a shell, a vacuum circuit breaker, a combined high-voltage lightning protection box and a lightning monitor, the combined high-voltage lightning protection box is provided with a sensor for collecting overvoltage and overcurrent signals and a three-phase arrester for current leakage, and the lightning monitor is respectively connected with the sensor and the vacuum circuit breaker and is provided with a signal processing unit used for analyzing, processing, storing and outputting signals output by the sensor and the vacuum circuit breaker. Since the overcurrent and overvoltage signals resulting from lightning can be collected by the sensor, the arrester is coupled with a separator for safe discharge of overcurrent, and lightning signals can be analyzed, stored and output by the signal processing unit of the lightning monitor, the real-time monitoring of lightning faults can be realized, professional lightning protection can be provided for relevant devices of the power distribution cabinet, and an effective monitoring means can be provided for rapidly positioning a substation subject to failure resulting from lightning.
Owner:江苏正佰电气股份有限公司

Casing deformation wireless monitoring system in well cementation, fracturing and production processes

The invention discloses a casing deformation wireless monitoring system in well cementation, fracturing and production processes, which comprises an underground casing deformation wireless monitor, a transmission channel, a signal relay device and a ground receiving system, and is characterized in that the underground casing deformation wireless monitor and a casing string enter a well together, the casing deformation condition is detected while the casing is centralized, and the signal relay device is connected with the ground receiving system; a casing transformation data signal is modulated, excited and transmitted outwards, the signal relay device amplifies and re-transmits the casing transformation data signal, the ground receiving system receives and demodulates the casing transformation data signal from the signal relay device, and the multi-point detection condition of underground casing deformation is obtained through computer processing. And information such as the deformation position, the deformation degree and the number of casing deformation points of the underground casing can be accurately obtained in real time. According to the invention, real-time monitoring and risk prediction can be carried out on casing deformation conditions in operation construction stages of casing lifting and lowering, cement paste well cementation, perforation, fracturing, production and the like, and positive practical significance is provided for guaranteeing long-acting development of oil and gas resources.
Owner:SOUTHWEST PETROLEUM UNIV

Method and system for measuring transient overvoltage of high voltage power network through distribution capacitance method

The invention relates to a method and a system for measuring transient overvoltage of a high voltage power network through a distribution capacitance method. The system is characterized by comprising a high voltage capacitor, a capacitive voltage divider and a low voltage arm measuring device of the capacitive voltage divider, wherein the high voltage capacitor consists of a distributing capacitor formed between a high voltage wire and a low voltage arm electrode arranged below the high voltage wire. The low voltage arm electrode is electrically connected with a low voltage capacitor to form the capacitive voltage divider. The low voltage arm measuring device of the capacitive voltage divider consists of a coaxial cable and an oscilloscope. The low voltage capacitor of the capacitive voltage divider is connected with the oscilloscope through the coaxial cable. The low voltage arm measuring device is characterized in that three low-voltage arm electrodes are arranged below a three-phase conducting wire. Nine distributed capacitors are formed by the three low-voltage arm electrodes and the three-phase conducting wire. Three low-voltage arm electrode and three low-voltage capacitors together form a three-phase capacitive voltage divider. The relationship between a 3*1 matrix [U1] formed by a three-phase high voltage and a 3*1 matrix [U2] formed by the secondary output voltage of the three-phase capacitive voltage divider is [U2]3*1=[K] 3 *3. [U1]3*1. The invention can more flexibly and conveniently measure the transient overvoltage of the power network.
Owner:STATE GRID ELECTRIC POWER RES INST

Method for detecting anti-bacterial and anti-mildew agents in bamboo wood products

The invention relates to the technical field of detection, in particular to a method for detecting anti-bacterial and anti-mildew agents in bamboo wood products. The method comprises the following steps: a solid sample is cut, sheared and ground into particles with the particle size being smaller than 5 mm*5 mm; 4 g of the crushed sample is weighed and placed into a 50-mL centrifugal tube, 20 mL of methanol is added, a lid is tightened, vortex even mixing is conducted, and the mixture is soaked for 60 min, then subjected to ultrasonic extraction for 10 min, and centrifuged for 5 min at 3000 r / min; a supernatant is removed into a 50-mL capacity bottle, repeated extraction is conducted for one time, and the volume is metered at the scale; and the product is transferred into a 125-mL 'chickenheart' bottle and evaporated to be nearly dry through a rotary evaporator, the volume is metered to be 1 mL through methanol, and the product passes through a 0.45-[mu]L organic filter membrane and is input into high performance liquid chromatograph provided with a diode array detector to be detected. According to the detection method, the 15 types of anti-bacterial and anti-mildew agents in thebamboo wood products can be quickly and accurately detected, so that effective monitoring of the bamboo wood food related products is strengthened.
Owner:GUANGDONG TESTING INST OF PROD QUALITY SUPERVISION

A smoldering hazard identification system for electrical fires based on volatile gas detection

The invention relates to an electrical fire smoldering hidden danger identification system based on volatile gas detection. The system consists of a polymer pyrolysis volatile gas collection tank, an electromagnetic valve, an air pump, a gas analyzer, an electrical parameter measuring sensor, an electrical parameter measuring instrument, and a processor unit. The electrical parameter measuring sensor is disposed in a power distribution system loop of a monitored physical space, and the output end is connected to the processor unit by the electrical parameter measuring instrument, the polymer pyrolysis volatile gas collection tank is disposed in the monitored physical space, and the gas outlet of the polymer pyrolysis volatile gas collection tank is communicated with an air chamber inlet of the gas analyzer, the air pump pumps the air from the monitored physical space into the air chamber of the gas analyzer through the electromagnetic valve, the output end of the gas analyzer is connected to a gas information input end of the processor unit, and the output control end of the processor unit is interconnected with a fire fighting linkage control system through the Internet, thus realizing rapid identification and early warning of a low-voltage distribution system's electrical fire smoldering hidden danger.
Owner:陕西建工安装集团电气科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products