42results about How to "Accurate and Effective Monitoring" patented technology

The invention relates to a method for determining (30) the volumetric power distribution of the core of a nuclear reactor using a set of detectors for measuring a neutronic flow provided outside the reactor vessel, and a set of probes for measuring the temperature of the coolant at the outlet of the fuel assemblies. The method (30) comprises the step of determining a first volumetric power distribution using a neutronic calculation code (40) instantaneously solving the diffusion equation and updating the isotopic balance of the core during the fuel depletion based on values of the core operation parameters, and the step of determining a new volumetric power distribution by adjusting (60 and 90) the first volumetric power distribution using the measures provided by the sensors for measuringthe neutronic flow and provided outside the reactor vessel (80) and by the temperature measuring probes (100).

The invention discloses an examination room video monitoring and mobile phone signal shielding system, which comprises a video monitoring module, wherein the video monitoring module comprises a videosensor for acquiring video streams in a target position region and a central server; the video streams are transmitted to the central server through a network; the central server identifies the identity of an examinee according to seat arrangement of the examination room and stores the video streams to a cloud server; the central server runs an action recognition capturing program to carry out action capturing on the examinees in the examination room; the cloud server is provided with a video access interface for a third-party user terminal to obtain the video streams; an interference signal generation module comprises a cyclic scanning type full-frequency-band mobile phone signal interference circuit and an interference signal transmission antenna; the interference signal transmission antenna is arranged on the signal transmission end of the interference circuit; and the central server controls the interference running mode of the interference signal generation module. According to the system, targets of the examination room can be monitored accurately and effectively; the mobile phone signals are effectively shielded in full frequency band; and the system has the advantages of clear videos, strong mobile phone signal shielding effect and the like.

The invention discloses an improved structure of a lower temperature measuring opening of a polymerization kettle and the polymerization kettle adopting the same. The improved structure comprises a polymerization kettle body and a kettle body clamping sleeve plate, wherein the outer wall of one end of a hot resistance outer protecting pipe body is fixed on a kettle body clamping sleeve, the other end of the hot resistance outer protecting pipe body is sealed and can educe a hot resistance tail section output section, and an inner end socket of the hot resistance outer protecting pipe body and the outer wall of the polymerization kettle body are separated from each other; one end of a containing connecting pipe of a lower temperature measuring opening is fixed on the polymerization kettle body, the other end of the containing connecting pipe of the lower temperature measuring opening is arranged in the hot resistance outer protecting pipe body in a sealing manner and is separated from the hot resistance outer protecting pipe body; the front part of a hot resistance passes through a sealing end cover of the containing connecting pipe of the lower temperature measuring opening and stretches into the polymerization kettle body, and the tail section of the hot resistance extends out of a sealing end of the hot resistance outer protecting pipe body. The improved structure provided by the invention has the advantages of preventing the potential risk caused by cracks of the kettle body due to that the expansion contractile force generated by the polymerization kettle body can rip a joint of the kettle body clamping sleeve and the polymerization kettle body, preventing water leakage of the lower temperature measuring opening of the polymerization kettle, and improving the production security.

The invention discloses a roof caving morphology monitoring device for a primary caving period. The device comprises a guiding rack, a support rod, a push rod, a scanner and a control module. The roofcaving morphology monitoring device for the primary caving period put forward in the invention is simple in structure and can be used with a fully mechanized top coal caving hydraulic support rack ina matched manner, no manual operation is needed, a safety problem is solved, the device can be used with the hydraulic support rack in an integrated manner, and recovery can be facilitated.

The invention discloses a fluid bubble removing device. The device includes a main body part, a sample injection part and a sample discharge part; the main body part is provided with a bubble adsorbing chamber, a first cavity and a second cavity, the bubble adsorbing chamber is separated into the first cavity and the second cavity, and the first cavity is provided with an air outlet; the sample injection part communicates with the first cavity; the sample discharge part communicates with the second cavity. The invention also discloses a water quality monitoring system. The device and/or the system can remove bubbles, generated due to flowing sample introduction, in water samples, and can accurately, efficiently and continuously measure the water quality and avoid influence of the bubbles generated due to flowing sample introduction on sensor measurement.

The invention relates to the technical field of intelligent self-rescue, and discloses a monitoring and automatic rescue integrated human body security method, device and system. The security method comprises the steps: pre-building a database, determining danger and carrying out rescue execution, wherein the danger determination comprises: collecting human body life parameter data and an on-sitevideo image sequence in real time; processing the life parameter data and the on-site video image sequence in real time; and determining whether the human body is in a drowning emergency. The rescue execution comprises the step that the processor sends a control instruction according to the judgment result; then a control instruction sent by the processor or an instruction sent by a background authorization manager is received to command an emergency rescue device detachably connected to the human body to work, and the emergency rescue device is used for ensuring that the human body floats onthe water surface The emergency rescue device can achieve automatic recognition and multiple control, plays an important role when a swimmer drowns and implements self rescue, is safe, reliable and convenient to carry, enables the swimmer to swim at ease, and meanwhile has high practical value and wide application prospects.

The invention provides a system management monitoring method and device. The method comprises the steps that a standard system is built, mapping is built between a standard flow of a standard system and a flow of an external system, actual data grabbed in the external flow are judged, calculated, stored and checked, the external system can be more accurately and effectively monitored, and therefore various parameters such as actual time of an execution link, the actual execution frequency of the same link within the regulated time, the link return frequency, execution efficiency, accuracy, task loads and health degree are grasped. By means of the system management monitoring method and device, a user can set a system management monitoring way meeting the user requirements according to actual conditions, and the user can more effectively and accurately manage and improve the monitored system according to the obtained data.

The invention discloses a transformer optical fiber detecting device and relates to the technical field of local discharge online monitoring of power transformers. The device is applied to power transformers and comprises an optical fiber detecting part, a first optical fiber coupler, a second optical fiber coupler and a controller; the primary side of the power transformer is connected to a mainssupply through a power line; the secondary side of the power transformer is connected with the optical fiber detecting part through a high-voltage lead; the first end of the first optical fiber coupler is connected with the optical fiber detecting part through a monomode optical fiber; the second end of the first optical fiber coupler is connected with the light source; the third end of the firstoptical fiber coupler is connected with the first end of the second optical fiber coupler; the second end and the third end of the second optical fiber coupler are connected with the controller separately through a photoelectric detector; and the optical fiber detecting part comprises optical fiber bragg grating F-P ultrasonic sensor or an optical fiber outer-cavity type fabry-perot sensor. The detecting device has features such has high sensitivity, strong signal collection capacity, convenient operation and strong capacity of resisting disturbance.

The invention relates to a C-shaped electrode which comprises a clamp body and an electrode wire. The clamp body comprises a clamp body and a clamp handle which are connected with each other, the clamp body is C-shaped, and the minimum inner diameter of the clamp body is the maximum value of the diameter of an object to be measured; one end of the electrode wire is connected with the wire, the other end of the electrode wire extends along the clip body, the electrode wire comprises an embedding part embedded into the clip body and a contact part extending out of the inner surface of the clip body, and the contact part is of an elastic structure. The object to be measured compresses the contact part of the electrode wire, the top of the contact part is tightly attached to the object to be measured, and due to the fact that the elastic coefficient of the electrode wire is low and the pressure borne by the object to be measured is small, the structure can record electric signals of the object to be measured permanently and stably without damaging the object to be measured; in addition, due to the structure of the C-shaped body, the electrode can be clamped on an object to be detected more conveniently, and meanwhile the object to be detected can be prevented from being damaged.

The invention discloses a tank storage equipment air pressure detection device based on industrial production. The device comprises a tank body. One side of the tank body is connected with a connecting pipe. The connecting pipe is communicated with the tank body. One end, away from the tank body, of the connecting pipe is connected with a fixed seat. The fixed seat is fixedly connected with the connecting pipe through a second flange plate and a first flange plate. The fixed seat is connected with a limiting seat through a first connecting rod. A through hole is formed in the middle part of aninner cavity of the fixed seat. A movable rod is connected into the through hole in a sliding manner. The device can monitor whether the tank body leaks air or not in real time. Through the arrangement of the structure of the device, the tank body can be accurately and effectively monitored, so that the effect of safely storing gas in the tank body is achieved, the safety is improved, the air pressure in the tank body can be detected through a simple mechanical structure principle, the cost is greatly reduced, and the device is suitable for being widely used in the society.

The invention discloses an offshore haze remote sensing recognition method and system under a clear sky condition, and relates to the field of ocean remote sensing data and application, and the methodcomprises the steps: obtaining ocean overhead satellite remote sensing data corresponding to a monitoring area under the clear sky condition; extracting a pixel spectral characteristic value according to the satellite remote sensing data above the sea; and according to the pixel spectral characteristic value and a trained neural network haze remote sensing identification model, determining the haze distribution above the sea corresponding to the monitoring area. The trained neural network haze remote sensing recognition model is obtained by training an MLP neural network model according to sample data; wherein the sample data comprises types of pixel regions and pixel spectral characteristic values corresponding to the pixel regions; the types include clean water, turbid water and haze. According to the invention, satellite remote sensing data over the sea are combined with a neural network machine learning algorithm, so that the purpose of accurately and effectively monitoring the haze distribution over the sea is achieved.

The invention discloses a pressure-sensitive material for monitoring a goaf suspension area and a preparation method thereof. The material comprises a hollow spherical shell and a tracer material, wherein the shell is filled with the tracer material; the material of the hollow spherical shell is prepared by compounding the following silane materials and a curing agent in percentage by weight: 4.4 to 8.3 percent of trimethoxy phenyl silane, 8.9 to 13.9 percent of methyl trichlorosilane, 33.3 to 41.1 percent of methyl triethoxy silane and 44.4 to 44.5 percent of a curing agent. The preparation method comprises the following steps: preparing an organic silicon resin prepolymer from a silane material and an organic solvent, adding a curing agent, curing to form a hollow spherical shell, filling the shell with a tracer material, and performing curing and hole sealing. The method is simple in preparation process, low in equipment and material cost and small in investment, the suspended area in the goaf can be accurately and stably monitored, specific position information is provided for subsequent and timely air leakage blocking and coal spontaneous combustion prevention, and the long-time suspended air leakage situation in the goaf is avoided.

The invention discloses an infant monitor, and belongs to the field of intelligent monitoring devices. The infant monitor comprises a data acquisition instrument and a data displayer. The data acquisition instrument is provided with a soft shell. The data acquisition instrument is fixedly placed at the portion near the head of an infant or stuck to infant clothes. The data displayer comprises a data display unit and a data analysis unit. The data display unit is used for displaying infant body temperature, environment temperature/humidity, environment sound, feeding information and urinating and defecating information acquired by the data acquisition instrument, the data analysis unit is used for analyzing data displayed by the data display unit and converting the data into text signals capable of being directly checked by an infant guardian to be displayed, the data display instrument is fixedly placed at the portion near the infant body, and the data displayer is connected with the data acquisition instrument through Bluetooth. The measured data is accurate, the performance is reliable, the physiological status and health conditions of the infant can be accurately and effectively monitored, and the requirement for household use is met.