89results about How to "Improve real-time monitoring" patented technology

The present invention belongs to the field of equipment temperature monitoring technology, and relates to a fan monitoring device and its monitoring method. Said device includes environment temperature detection sensor, N power MOS trasistors respectively connected with N fans and CPU, programable fan rotating speed measuring circuit connected between CPU and fan, pulse generator connected between environment temperature detection sensor and power MOS transistor and linear conversion circuit. Said invention also provides the action of every the above-mentioned component, and said invented fan monitoring device can be used in various communication equipments.

The invention relates to a rod pumped well working condition diagnosis method integrated with an electrical work diagram and an indicator diagram. The technical scheme includes steps of automatically collecting data of the electrical work diagram and the indicator diagram in real time and storing the data; for diagnosis of the working condition of the indicator diagram, directly diagnosing the indicator diagram of a polish rod; if the fluctuation of the indicator diagram of the polish rod is big, solving an underground pump work diagram by one-dimensional band damp fluctuation equation, and diagnosing the underground pump work diagram; for the diagnosis of the working condition of the electrical work diagram, using a mutual conversion model of the electrical work diagram and the indicator diagram, converting the electrical work diagram to the indicator diagram of the polish rod so as to perform the diagnosis of the indicator diagram, and realizing the indirect diagnosis of the electrical work diagram; setting up a diagnosis model of the electrical work diagram working condition, and realizing the direct working condition diagnosis of the electrical work diagram, wherein the working condition diagnosis result takes the diagnosis of the indicator diagram mainly and the diagnosis of the electrical work diagram secondarily. The invention has the beneficial effects of improving the working condition diagnosis precision, enlarging the diagnosis scale of the working condition, improving the real-time monitoring force of the oil well working condition, and enhancing the real-time and intelligent management of the oilfield.

The invention discloses a mobile gas monitoring system and a method based on accurate positioning in underground coal mine. The system comprises: a mobile gas detector brought by people who enters a mine and used to detect gas concentration; a radio communication base station arranged in the mine and for determining a position of the mobile gas detector and receiving information about sensed gas concentration by carrying out radio communication with the mobile gas detector; a monitoring center server used to receive the information of the sensed gas concentration and information of the position of the mobile gas detector from the radio communication base station to carry out information management. The system and the method provided in the invention can be used for safety monitoring management of daily production in the coal mine to guarantee safe production in the coal mine, and also can provide basis for decision of coal mine cataclysm rescue, with the system and the method, rescue progress can be accelerated and post-disaster casualties can be minimized.

The invention relates to a working condition diagnosis method of a rod pumped well based on an electrical work chart plate. Firstly, related electrical parameters of the rod pumped well are collected, and an actual electrical work chart of the rod pumped well is obtained according to the collected electrical parameters; then the actual electrical work chart is compared with an electrical work chart diagnosis plate which is obtained in advance, so that working conditions of the rod pumped well are diagnosed. The electrical work chart diagnosis plate is obtained by the steps of (1) establishing electrical work charts corresponding to typical working conditions for different typical working conditions; (2) correspondingly treating the electrical work charts in all typical working conditions, so that the electrical work chart diagnosis plate formed by the electrical work charts in all of the typical working conditions is obtained. By adopting the diagnosis method, the actual operating conditions of the rod pumped well can be accurately diagnosed, so that real-time monitoring of the rod pumped well is realized, and a technical support is provided for the efficient operation of the system.

The invention discloses a mobile video monitoring and high-precision positioning command and dispatching system for a railway. The system comprises a mobile terminal, a wireless communication network and a background processing service center; the mobile terminal comprises a GPS unit, a recording unit, a data processing unit, a compressed encoding unit and a voice broadcasting unit. A collected video stream is pushed to a background server in real time via a handheld terminal integrated with a high-precision GPS chip based on a currently most popular RTMP live broadcasting protocol, meanwhile a current location is positioned by the high-precision GPS chip, a GPS coordinate is uploaded to the server, a command center can open a video in live broadcasting at any time via a management website for watching, and meanwhile, field personnel can be commanded and scheduled by voice or characters; the background server also has a function of storing the live video in real time, and command staffs can also check any video at any time after live broadcasting and meanwhile can check a moving trail of rail operation personnel within a period.

The invention discloses a sensor network data compression method based on near-optimal clustering and local virtual coordinates, aiming at the problem of low efficiency of the existing data compression method. The method adopts the time-spatial correlations of data acquired by sensor nodes, and effectively divides a proper amount of nodes having the time-spatial correlations into a cluster by introducing the near-optimal clustering so as to balance the network energy consumption and be favor of prolonging the network service life; and the sensor network data compression algorithm based on thenear-optimal clustering and the local virtual coordinates utilizes a united compression dictionary to compress time and space redundancy of the data based on relative monitoring value differences, regulates and controls data restoration precision by regulating the size of the compression dictionary according to specific applications, and eliminates the space redundancy thereof in the data transmission process based on a distributed gradient label router, thus improving the whole network performance. The method in the invention is suitable for an environment real-time monitoring system based on a wireless sensor network, can realize effective compression for the wireless sensor network data and effectively reduces the average energy consumption of the nodes.

The invention discloses a multifunctional magnetron sputtering film coating device. The device comprises a vacuum chamber, a top cover, a connecting rod and a substrate frame, wherein the top cover is detachably connected onto the top of the vacuum chamber; the connecting rod is fixedly connected onto the top cover and arranged within the vacuum chamber in a suspension way, the substrate frame is in cup joint with the lower end of the connecting rod in a rotating and lifting way, a plurality of substrate carriers are arranged on the bottom surface of a disc at the bottom of the substrate frame, and heating devices are arranged above the disc and on the positions which correspond to the substrate carriers; a plurality of magnetron sputtering targets arranged on the same periphery are arranged on the position where the bottom of the inner cavity of the vacuum chamber corresponds to the substrate carriers, an inclined angle which is available between the target head arranged at the upper part of each magnetron sputtering target and the main shaft of the vacuum chamber can be adjusted from 0-45 degrees, and a turnover sputtering baffle plate is arranged under the target heads on the magnetron sputtering targets. The device has the characteristics of being compact in structure, high in practicability, and diversified in function, and the requirement for the research of a thin-film technology and a component test by a magnetron sputtering method in the colleges and universities and the scientific research institutions can be met.

The invention relates to a management system for the mine intelligent blast which uses the computer software in handle device (including the handle computer and the data collector) to control, lead, limit and monitor the blast process. The invention includes the blast scene monitoring unit. The handle device has the function of collecting the data, photo the blasting surface and the worker, controlling the emitter. Also it can transfer the above data including the picture to the information managing unit by the data communication device. The invention can monitor the blast surface at the time to collect the data, control the process and transfer the data.

The present invention provides a monitoring and alarming system for a DC power supply in a transformer substation. A DC power supply side monitoring module in the system is used for monitoring a charger, a bus and a storage battery in the transformer substation in real time and sending the monitoring data to a central processing module. The central processing module is used for receiving the monitoring data of the DC power supply side monitoring module, generating an alarm command when the monitoring data is abnormal, sending the alarm command to the alarm fire fighting module, and sending the received monitoring data and a telecommand signal generated accoridng to abnormal monitoring data to a remote monitoring center. The alarm fire fighting module receives the alarm command and extinguishes a fire on target abnormal equipment according to the alarm command. According to the system, the DC power supply is monitored in real time and the fire is extinguished timely, the safety and stability of DC power supply operation are improved, the human cost is reduced at the same time, the danger is controlled in a controllable range, and the stability of the transformer substation is improved greatly.

The invention provides a video safety monitoring method and system, and the method includes the steps: acquiring key frame data of a video source code stream; encrypting the key frame data of the video source code stream to generate first encrypted information; acquiring key frame data of a video end code the stream; encrypting the key frame data of a video end code stream to generate second encrypted information; decrypting the first encrypted information and the second encrypted information, comparing the key frame data of the video source code stream and the frame data of the video end codestream after decryption, and obtaining a comparison result; and judging whether the content of the code stream is abnormal or not according to the comparison result. In the technical scheme of the invention, the method and system reduce the data size of the encrypted contents, shorten the code stream monitoring delay time, and improve the code stream monitoring efficiency and real-time performances. Meanwhile, the method and system can improve the code stream monitoring correct rate.

The invention belongs to the field of online flutter identification in the cutting process of a numerical control machining center, and particularly discloses an online flutter identification method for a numerical control machining center based on a vibration signal. The method comprises: collecting spindle vibration signals generated when a numerical control machining center conducts cutting machining, and preprocessing the vibration signal; constructing a multi-scale permutation entropy and a multi-scale power spectrum entropy of the preprocessed signal; splicing the multi-scale permutationentropy and the multi-scale power spectrum entropy to serve as feature vectors to be input into a constructed gradient boosting tree model; and performing iterative training on the vibration signal to obtain an optimal gradient boosting tree model, preprocessing the main shaft vibration signal in the machining process , and then inputting the preprocessed main shaft vibration signal into the optimal gradient boosting tree model, so that on-line identification of flutter of the numerical control machining center is achieved. According to the method, the chatter sensitivity characteristics of the machine tool can be extracted, whether the numerical control machining center chatters or not and the chatter severity can be identified, and the method has the advantages of being high in monitoring real-time performance, high in identification accuracy, good in generalization ability and the like.

The invention discloses a mounting head converging structure and an intelligent chip mounter and belongs to the technical field of chip mounters. The mounting head converging structure comprises a converging plate body, a vacuum electromagnetic valve, an air-pressure electromagnetic valve and an air-pressure sensor, wherein the converging plate body is provided with a positive pressure channel, a negative pressure channel, an executing channel, a pressure measuring channel and a connecting channel, and the pressure measuring channel is communicated with the executing channel; the vacuum electromagnetic valve is provided with a first vacuum channel communicated with negative pressure channel, a second vacuum channel communicated with the executing channel and a third vacuum channel communicated with the connecting channel; the air-pressure electromagnetic valve is provided with a first air-pressure channel communicated with the positive pressure channel, a second air-pressure channel communicated with the connecting channel and a third air-pressure channel communicated with the outside; the measuring end of the air-pressure sensor is inserted into the pressure measuring channel. The mounting head converging structure allows a mounting head to be small in size, lightweight and relatively low in cost.

The invention discloses a BMS self-adaptive pressure awakening method and device and a storage medium. According to the method, a current atmospheric pressure value is monitored; obtaining a trigger pressure threshold value according to the atmospheric pressure value, the standard atmospheric pressure value and the trigger pressure threshold value; updating a trigger pressure threshold value currently stored by the air pressure monitoring unit; and the air pressure monitoring unit judges whether to wake up the battery management main control unit or not according to the updated trigger pressure threshold value and the current pressure value in the battery pack detected in real time, so that the awakened battery management main control unit performs battery pack abnormality monitoring on the single batteries in the battery pack. By considering the atmospheric pressure value of the current position, the BMS is accurately awakened through the self-adaptive pressure signal, so that the monitoring real-time performance of the battery unit is improved, and the risk of abnormal missed reporting of the battery is avoided.

The utility model discloses an on-line monitoring method for monitoring the diffused light of the lens. The monitoring method thereof is listed as follows: the self-exposed light wave of the photo-etching machine can record the aerial images on the aerial image collecting & detecting array of a focal plane via a lens system. The aerial images are collected together on the mask plate surface and the silicon wafer plane, and then the comparison is made between the two groups of the aerial images which are recorded on the array of the electronic detector, so as to calculate out the object distance compensation of the lens along X-direction and Y-direction. As per the measuring result, a feedback system is used to adjust the environmental parameters of the lens assembly, so as to realize the compensation for the diffused light of the entire lens assembly. The lens system at least includes a main lens assembly, a 45o beam splitting plate series (close to the fourier plane), a 45o mirror assembly, a projection lens, a focal plane aerial image collecting & detecting array and a electronic controlled optical shutter series. This method solves the low utilization rate of productive capacity and the divergence of the machines arising from the traditional off-line measuring, so as to improve the reliability and the service efficiency of the photo-etching machine's accuracy control.

The invention discloses a magnetic resonance gradient field stimulation level calculating method and apparatus, and a magnetic resonance gradient field control method and system. The magnetic resonance gradient field stimulation level calculating method employs a field programmable gate array to calculate the stimulation level of a magnetic resonance gradient field. The magnetic resonance gradient field control method involves controlling whether a magnetic resonance system stops scanning or not according to a calculating result of the stimulation level of the magnetic resonance gradient field. By using the calculation method and apparatus, and the control method and system, the operation efficiency can be improved, higher real-time monitoring can be performed on the gradient field, the monitoring quality is improved, and the influence exerted by magnetic resonance scanning on the health of a scanning object is reduced.

The embodiment of the application discloses a method for serial port data acquisition polling, a monitoring system and a storage medium. The method for serial port data acquisition polling comprises the following steps: an upper computer polls and delivers a data preparation command corresponding to all monitored devices; after receiving the corresponding data preparation command, each monitored device starts to prepare data; after waiting for a preset delay time, the upper computer receives response data returned by all the monitored devices; and the upper computer sequentially processes theresponse data of each monitored device to complete a data acquisition polling cycle. Therefore, the polling cycle is shortened; the overall data acquisition efficiency is improved; the acquisition time can be greatly shortened under the same hardware configuration; the real-time performance of monitoring is improved; the performance of the upper computer is fully used; and the hardware cost of themonitoring system is reduced.

The invention provides an unstable slope movement monitoring system and method, and the system comprises a radar monitoring vehicle and a user interaction terminal, the radar monitoring vehicle comprises a radar vehicle main body, and the radar vehicle main body is provided with a radar computer, a radar electric appliance box, an antenna reflector, a radar antenna, and a communication antenna; the radar antenna is used for emitting electromagnetic waves and receiving radar reflection electromagnetic waves; the antenna reflector receives radar reflection electromagnetic waves obtained by the radar antenna, enhances the signal frequency of the radar reflection electromagnetic waves and sends the radar reflection electromagnetic waves to the radar computer through the radar electric appliance box; and the radar computer performs system automatic imaging on the received data, analyzes to obtain whether the stability state of the slope to be detected is abnormal or not, generates alarm information and sends the alarm information to the user interaction terminal through the communication antenna when the stability state of the slope to be detected is abnormal. The radar vehicle of the system can rapidly scan and monitor an unstable slope area in a large range, is simple and convenient to operate, and can remotely monitor areas with hidden dangers.

The invention relates to a shield tunnel repairing reinforcing platform and a reinforcing method. The platform comprises multiple sub-platforms which are arranged according to the set distance in thelongitudinal direction of a shield tunnel and vertically and flexibly connected and a platform base for transportation; each sub-platform comprises an operating platform arranged at the bottom and twoannular frames which are integrated with the operating platform, are arranged side by side and have the same structure; each annular frame comprises a hollow frame spindle, a telescopic bracket whichis connected with the platform base and the corresponding operating platform and used for achieving the supporting effect and supporting structures arranged in the circumferential direction of the annular frame; and each operating platform is provided with a control host and a hydraulic master machine. Compared with the prior art, the shield tunnel repairing reinforcing platform has the advantages that the functionality is high, efficient repairing can be achieved, and function extension is convenient.