90results about How to "Meet monitoring requirements" patented technology

The invention provides a smart grid-oriented power quality monitoring system and a smart grid-oriented power quality monitoring method, which relate to the field of monitoring of power quality. The system comprises a distributed online/offline node detection module, a network communication module, a distributed database module and a comprehensive management module of the power quality monitoring system, wherein the distributed online/offline node detection module comprises a parallel analog-to-digital conversion module and a signal processing module so as to realize distributed detection of asmart grid. In the technical scheme provided by the invention, a plurality of analog-to-digital conversion chips are connected in parallel and an analog signal is sampled, so that high-accuracy sampling rate of signals is increased and the detection requirement on transient power quality signals is met; based on a programmable logic chip, online analysis and data compression are realized by a parallel signal processing algorithm; a distributed database is adopted, so that system reliability is enhanced and system upgrade is promoted; and a global positioning system (GPS) and a communication network module are adopted, so that a distributed network system is realized, and power quality monitoring of the smart gird is supported powerfully.

The invention relates to a rapid and intelligent public transportation three-dimensional monitoring and controlling device and an operating method thereof, which belongs to the technical field of public transportation. The device comprises a monitoring and controlling dispatching center, a vehicle mobile monitoring and controlling terminal and a platform fixed monitoring and controlling terminal, wherein, the vehicle mobile monitoring and controlling terminal and the platform fixed monitoring and controlling terminal are connected with the monitoring and controlling dispatching center through an Internet and a WiMAX network. The method comprises the following steps: the vehicle mobile monitoring and controlling terminal and the platform fixed monitoring and controlling terminal are set, the video information inside the bus, the video information for the platform environment and the passengers on the platform as well as the relevant GPS information are gathered in a real-time manner and transmitted based on the WiMAX network, and the vehicle mobile monitoring and controlling terminal performs the interactive function of intelligent bus stop announcement and scheduling information at the same time. By using the realized three-dimensional monitoring and controlling and dispatching, not only the security of bus running and the intelligence of bus stop announcement can be enhanced, but also the real-time grasping of the control center to the number of the passengers can be improved, and the allocation of the rapid bus vehicles can be performed according to the passenger flow volume, and the scheme and the support method are provided for the automation, the safety running and the management of the rapid bus system.

A method for monitoring fatigue strength of driver includes shining driver eye with infrared ray to obtain multiimage of different retina image at the same time, carrying out difference processing for collected images to obtain pupil images, using kalmen filter to trace pupil in real - time to obtain pupil characteristic parameter, processing the parameter to obtain maximum value of pupil size and real - time coroclisis percentage of pupil, calculating out PERCLOS value f and using BP network sorter to judge fatigue strength of driver based on obtained value f. The monitoring device is also disclosed.

The invention relates to an original-state soil sampler comprising a soil sample collecting system and a soil sample pushing system. The original-state soil sampler is characterized in that the soil sample collecting system is formed by connecting a manual handle, an extension rod and a sampling head; the soil sample pushing system is formed by a shoving screw, a shoving rod, a shoving base and a shoving sheet, wherein the shoving screw is connected with the shoving rod inside the extension rod, and the shoving sheet is located inside the sampling head. In the invention, the sampling amount for one time can meet the requirement for monitoring regular pollutant index in soil, thereby greatly improving the sampling efficiency; the sampling head can be easily pushed out of the soil sample so as to ensure convenient and simple discharging process; the sample can be directly pushed out of the sampling head by the shoving sheet without using consumptive materials such as a circular ring, and the like, thereby saving resources; and the original soil level can be maintained and the sampling effect is ensured by controlling the whole process of sampling and discharging effectively.

The invention discloses a method applying process scheduler, which comprises: configuring command stream to be executed, wherein the command stream is formed by sequence executive command; when the determining that the command which is forefront in the execution sequence of the commands which are not executed meets the execution condition according to the configuration of the command stream, sending the command to the corresponding client-side to be executed by the client-side; and receiving the command execution result which is feedback by the receiving client-side after executing the command. The invention also discloses a server-side device, a client-side device and a system applying the process scheduler. Adopting the invention, the flexibility of the scheduling can be improved, the modification risk can be reduced, and the control of the application of complex logic relation can be realized.

The invention belongs to the technical field of nuke industry measurement, and particularly relates to a spent fuel water tank liquid level and temperature measuring device. The device comprises a measuring barrel with an opening in the bottom, wherein a RTD continuous liquid level sensor, a differential thermocouple discrete liquid level sensor and a thermocouple temperature sensor, which are isolated with one another, are installed in the measuring barrel along the height direction; the liquid level measuring range of the RTD continuous liquid level sensor is from the top of a fuel grillage to the full water level of a water tank, and the thermocouple discrete liquid level sensor is arranged on a set standard height level of the water tank; the RTD continuous liquid level sensor, the differential thermocouple discrete liquid level sensor and the thermocouple temperature sensor are connected with respective transmitting processing units through respective cables. The continuous liquid level, the discrete point liquid level and the temperature in the water tank are measured by adopting the three sensor elements based on different measuring principles and independent from one another, and the problem for simultaneously monitoring the continuous liquid level, the discrete point liquid level and the temperature in the water tank, caused by the failure of a common mode, can be avoided.

The invention relates to a combined type sensor, which belongs to the field of electric power measurements. The combined type sensor comprises a shell, and is characterized in that a V/I/v voltage sampling loop and an I/i current sampling loop are arranged on a measured high-voltage load conducting wire in the shell, and an output end of the V/I/v voltage sampling loop and an output end of the I/icurrent sampling loop are connected with a current interface and a voltage interface of an output interface of the shell respectively. The combined type sensor can acquire supplied weak current signals, supplies the signals to a measuring instrument of milliampere or microampere standard current signals and millivolts or microvolt standard voltage signals to perform measurement, can acquire the signals accurately, reduce the consumption, save the cost and prevent electric larceny, is save and stable, and is suitable for measuring the electric quantity of a high-voltage side.

The invention relates to an embedded microprocessor-based ARM7 platform and a wireless network communication technology, and provides an advanced RISC machine (ARM)-based wireless accessory warehouse monitoring device having advantages of simple structure and high stability. The device comprises a monitoring terminal, a wireless network transceiving module and a monitoring host. The device is structurally characterized in that: the monitoring terminal comprises a temperature humidity sensor, a door magnet sensor, an infrared sensor, a smog sensor, a camera and an ARM development system; the terminal is provided with a liquid crystal display (LCD) and a keyboard; the wireless network transceiving module comprises a wireless network card and a wireless router AP; and the monitoring host consists of a personal computer (PC) machine, and completes program development and debugging of the development system.

The present invention discloses one kind of anchor bolt/cable head fixing member and the method of using the member in protecting slope, and aims at providing one kind of fixing member with high bearing capacity and less possibility of generating crack and capable of being re-stretched for slope protection. The anchor bolt/cable head fixing member includes rood beam, backing plate, anchor screw and anchor nut; and features that the rood beam has notched part in the bottom, the backing plate is embedded into the notched part, and the stepped anchor nut is inserted into the hole in the backing plate center. When it is used in slope fixing, the anchor bolt/cable is penetrated through the anchor screw before the anchor screw is screwed into the anchor nut for stretching and the anchor nut is turned to regulate tension.

The invention provides a coal mine gas drainage pipeline optical fiber monitoring system which comprises hardware and software, wherein a hardware system comprises an optical fiber temperature sensor, an optical fiber pressure sensor, an optical fiber laser gas sensor, an optical fiber flow sensor, a single mode fiber, a coupler, a multi-core optical cable, a fiber bragg grating demodulation instrument and an optical fiber gas demodulation instrument; a software system comprises a computer, a background database and a data correspondence protocol. The carrying system has the beneficial effects that a fiber bragg grating sensing technology is introduced into the field of coal mine downhole pipeline monitoring; a software-hardware test system applicable to inflammable and explosive environments and other environments is developed, and the all-day uninterrupted monitoring requirement for important parts of a coal mine downhole gas drainage pipeline is met.

The invention discloses a deep foundation pit excavation surface subsidence prediction method based on a BAS-BP model, and relates to the technical field of deep foundation pit excavation surface subsidence prediction, and the method comprises the following steps: building the BAS-BP model in advance as a deep foundation pit excavation surface subsidence prediction model, and carrying out the training, and obtaining building foundation pit engineering point data information to serve as input of a trained BAS-BP model for prediction, and obtaining a prediction result for visual presentation toserve as deep foundation pit excavation surface subsidence prediction. According to the method, the prediction precision of deep foundation pit excavation surface subsidence prediction is improved, good robustness and stability are achieved, the prediction precision can meet the monitoring requirement of the surrounding surface subsidence effect caused by foundation pit excavation, and the adaptability is high.

The invention relates to the technical field of power transmission, and particularly discloses a power transmission line icing automatic monitoring device. The power transmission line icing automatic monitoring device comprises a sensor group and a microcomputer control box, wherein the sensor group comprises tension sensors, a temperature and humidity sensor and a wind speed sensor, the tension sensors are used for measuring the icing weight of a simulated wire, the temperature and humidity sensor is used for measuring the temperature and the humidity of an operating environment of a power transmission line, the wind speed sensor is used for measuring the wind speed of the operating environment of the power transmission line, the microcomputer control box comprises a transmitter group, an A/D converter, a central processing unit, a communication interface and a power supply, the transmitter group is connected with the sensor group and connected with the central processing unit through the A/D converter, and the communication interface is connected with the central processing unit. The power transmission line icing automatic monitoring device acquires the icing weight of the simulated wire and the temperature, the humidity and the wind speed of the operating environment of the power transmission line through the sensor group, calculates the icing thickness and icing development situations of the power transmission line through the central processing unit, and then sends relevant data to a monitoring center through the communication interface, thereby realizing automatic, effective and real-time monitoring for icing conditions of the power transmission line.

The invention is to provide an underwater mariculture monitor platform capable of dynamically positioning. The underwater mariculture monitor platform comprises a fixation platform, a floating platform and a monitor platform. The fixation platform is connected with the floating platform through connection rods; the monitor platform is arranged under the floating platform; and control units are arranged on the fixation platform. The control units are divided into four groups, wherein the first, second and third groups of control units are in triangle arrangement; the fourth group of control unit is arranged in the middle of the triangle; the ropes of the first, second and third groups of control units are connected to the monitor platform; the rope of the fourth group of control unit is connected with a camera; the camera is arranged in the middle of the monitor platform; a tunnel propeller is arranged under the floating platform; and a waterproof cover is arranged on the fixation platform. The underwater mariculture monitor platform can carry out monitoring in the fixed area according to instructions, and can also move flexibly, meeting monitoring requirements under different conditions, reducing production and maintenance cost, and improving replaceability and reliability of the monitoring device.

The present invention relates to a buoy system. The buoy system comprises: a buoy body; and an anchoring device, which is arranged below the buoy body and used for stabilizing the buoy body. The buoybody comprises a main cabin body, wherein the anchoring device is arranged at the bottom of the main cabin body; masts, which are arranged on a plurality of brackets above the main cabin body and surround the side surface of the main cabin body; and a plurality of outer wall assemblies, which are fixed to the brackets and fixed to the outer side edge of the main cabin body, wherein a closed floating chamber is defined by the outer wall assemblies, the brackets and the side face of the main cabin body. Structural modularization is achieved, the production process is simplified, transportation,loading and unloading are convenient, small and medium-sized fishing boats and engineering ships can be used for throwing and recycling, the ship using cost is reduced, the internal space structure ofthe buoy is optimized, various devices can be installed in the buoy, and the monitoring requirement is met.

This invention discloses a palisade detector for rain and snow and rain with high accuracy. It possesses palisade rain sensitive board with gold coating and plating which is connected with antiseptic combined metal heating board through non-corrosive steel attachment screws. On the bottom of antiseptic combined metal heating board locates a slots outside which installed a fixing screws and is connected with non-corrosive steel joint box and the constant temperature of antiseptic combined metal heating board is controlled by a micro double metal switch located on the bottom of it. The advantages are the following: 1, the minimal single rain particular is 0.3mm enough to satisfy the needs of environment detecting; 2, to have high anti-interference ability against fog, frost and dew; 3, to react to the rain measured within 0.1 seconds.

The invention relates to a fire protection alarm system, in particular to a fire protection intelligent monitoring system. The problem that an existing fire protection alarm system does not have a remote communication function is solved. The fire protection intelligent monitoring system comprises a monitoring computer and a Wi-Fi receiving device which are arranged in a fire protection monitoring center and multiple fire protection intelligent monitors which are arranged on the spot; each fire protection intelligent monitor comprises a single chip microcomputer, a smoke sensor device, a fire protection water detection module, a humidity sensor, a temperature sensor, a switching value sensor, a signal switch control module, a GPRS communication module, a Wi-Fi communication module, a UART module, an EEPORM module, an LCD, an LED status indicator lamp, a function key and a power module. The fire protection intelligent monitoring system is suitable for fire protection.

The invention belongs to the technical field of a remote monitoring system, and specifically relates to a Beidou-based new energy electric automobile battery remote state monitoring system, mainly for solving the technical problems of incapability of real-time monitoring of the remote battery state of an electric automobile and incapability of positioning by use of a conventional new energy electric automobile battery state monitoring system. The technical scheme provided by the invention is as follows: the Beidou-based new energy electric automobile battery remote state monitoring system comprises a new energy electric automobile battery remote monitoring center and a new energy electric automobile battery detection node arranged on the electric automobile. The system provided by the invention realizes functions of positioning and battery electric quantity state monitoring of an innovative new energy electric automobile based on modularization and miniaturization.

The invention discloses a multi-height sampling time-adjustable air pollution monitoring device. The device comprises a base; a storage groove with an upward opening is formed in the top surface of the base; a height folding airbag is fixedly arranged on the bottom surface of the storage tank; a lifting block is fixedly arranged on the top surface of the height folding airbag; a connecting rod groove with a leftward opening is formed in the top surface of the lifting block; an extraction mechanism is arranged in the connecting rod groove; an airbag cavity is formed in the right end of the base; an extrusion block is slidably connected into the airbag cavity; an airbag located in the airbag cavity is arranged on the right side of the extrusion block; breather pipes are fixedly connected tothe right end of the airbag in longitudinal symmetry; the left end of the lower breather pipe is fixedly connected with the bottom end of the height folding airbag; an electromagnet is arranged on theleft end wall of the airbag cavity, a lower metal block cavity is formed in the left side of the airbag cavity, a lower metal block is connected into the lower metal block cavity in a sliding mode, air at different heights can be automatically and regularly sampled, and the operation that one device samples air at multiple required heights can be achieved.

The invention relates to the technical field of Internet of Vehicles, and specifically relates to a new energy heavy truck networking platform vehicle management system based on an SAAS mode. The system comprises an access layer, a service layer and a cloud base layer which are connected in sequence. The access layer is connected with a vehicle TBox module, a third-party module and a vehicle enterprise module. The service layer comprises an in-cloud message bus. The in-cloud message bus is connected with an asset management module and a global service module. The cloud base layer comprises a hardware service module and a data storage backup module. According to the invention, complex protocol analysis, protocol joint debugging and function development work are completely packaged, only anoperation interface is provided for a user, specific information of responsible technology docking does not need to be known. Finally, the Internet of Vehicles service of the electric heavy truck is achieved, the stable, reliable and safe Internet of Vehicles service is provided for a user, networking monitoring is simpler, more efficient and more reliable, through platform construction, the electric heavy truck monitoring system can adapt to electric heavy trucks of different brands and different vehicle types, and the vehicle monitoring requirements of all brands are met.

The invention discloses a multifunctional water quality online monitoring intelligent dosing device. The dosing device comprises a dosing barrel a and a dosing barrel bracket, the dosing barrel a is mounted in the upper end of the left side of the dosing barrel bracket; a low liquid level sensor b is arranged on the outer wall of the upper end of the dosing barrel a; a dosing barrel b is arrangedin the upper end of the dosing barrel bracket on the right side of the dosing barrel a; the water quality of air conditioner cooling water can be automatically detected online in real time; wherein the parameters comprise PH, conductivity, corrosion and scale inhibitor concentration, ORP, metal corrosion rate and turbidity; the dosing concentration range, the dosing time, the concentration multiple and the pollution discharge and metal corrosion rate alarm range of the medicament can be set according to the requirements of a final user; the equipment can count the agent usage amount and the system blowdown amount in real time, the dosing device of an air conditioner water system can meet the monitoring requirement of a comprehensive control system to realize transmitting and storing through a network of a real-time database and a historical database, and the running state of cooling water is monitored, controlled and managed in a centralized mode.

The invention relates to a method for determining epoxy chloropropane in water, and belongs to the technical field of chemical analysis. A salting-out and liquid-liquid extraction method is adopted to pretreat a water sample, magnesium chloride is taken as a salting-out agent, dichloromethane is taken as an extraction agent to extract epoxy chloropropane in water, and a capillary gas chromatography and an external standard curve method are adopted to quantitatively analyze. The method has high extraction efficiency, is simple, quick and accurate, has high sensitivity and good reproducibility and can satisfy the requirements on environment monitoring and water quality analyzing work.