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230 results about "Line flow" patented technology

Method and apparatus for monitoring refrigerant-cycle systems

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Method and apparatus for monitoring a calibrated condenser unit in a refrigerant-cycle system

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Method and apparatus for monitoring a calibrated condenser unit in a refrigerant-cycle system

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Method and apparatus for monitoring air-exchange evaporation in a refrigerant-cycle system

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Intelligent thermostat system for load monitoring a refrigerant-cycle apparatus

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Intelligent thermostat system for monitoring a refrigerant-cycle apparatus

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Method and apparatus for monitoring a condenser unit in a refrigerant-cycle system

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:COPELAND LP

Method and apparatus for airflow monitoring refrigerant-cycle systems

A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power provided to the refrigerant-cycle system and that gathers data from one or more sensors and uses the sensor data to calculate a figure of merit related to the efficiency of the system. In one embodiment, the sensors include one or more of the following sensors: a suction line temperature sensor, a suction line pressure sensor, a suction line flow sensor, a hot gas line temperature sensor, a hot gas line pressure sensor, a hot gas line flow sensor, a liquid line temperature sensor, a liquid line pressure sensor, a liquid line flow sensor. In one embodiment, the sensors include one or more of an evaporator air temperature input sensor, an evaporator air temperature output sensor, an evaporator air flow sensor, an evaporator air humidity sensor, and a differential pressure sensor. In one embodiment, the sensors include one or more of a condenser air temperature input sensor, a condenser air temperature output sensor, and a condenser air flow sensor, an evaporator air humidity sensor. In one embodiment, the sensors include one or more of an ambient air sensor and an ambient humidity sensor.
Owner:KATES LAWRENCE

Method for calculating riverway cross-section flow measured by non-contact radar

ActiveCN109060056ASolve the problem that it is difficult to obtain cross-sectional flowMeet the requirements of high real-time traffic monitoringVolume/mass flow measurementWater resource assessmentBed roughnessMeasurement point
The invention provides a method for calculating the riverway cross-section flow measured by a non-contact radar. On a riverway cross-section on which a radar probe measurement point is located, cross-section measurement is carried out at a certain distance interval, based on the measured cross-section data, the cross-section polynomial curve fitting is carried out, and the riverway cross-section water surface slope is calculated by combining with a hydraulics manning formula according to the position of a probe, the actually-measured water level, the surface flow velocity and the bed roughness, then based on a hydraulics natural riverway flow calculation principle, a certain number of vertical lines are chosen to divide the riverway cross-section evenly, the depth of water of the verticallines and the corresponding vertical line flow velocity are calculated in sequence, and then virtual vertical lines are made in interval midpoint of each vertical line, a plurality of virtual verticallines and cross-section fitted curves and a riverway water line form a plurality of irregular polygons, the area of each polygon is calculated in sequence, and finally, a weighted area method is usedfor calculating the flow of a riverway large section. The method for calculating the riverway cross-section flow measured by the non-contact radar has important practical value for the popularizationof online flow measurement technology and the high real-time flow monitoring of flood prevention.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Method and device for identifying traffic of access network

InactiveCN101714952ATraffic identification is validReduce detection workloadData switching networksFeature vectorAccess network
The invention discloses a method and a device for identifying the traffic of an access network. The method comprises the following steps of: extracting a sub-stream, which corresponds to each data stream, from each data stream of the access network; sampling all the sub-streams to obtain sampling sub-streams; identifying the application layer protocol of each sampling sub-stream and establishing a mapping relationship between the sampling sub-stream and the application layer protocol according to the identification result; extracting initial data from each sub-stream and establishing sub-stream characteristic vectors which correspond to the sub-streams according to the initial data; clustering the sub-streams according to all the sub-stream characteristic vectors to form a plurality of clusters; establishing a mapping relationship between the clusters and the application layer protocols according to the mapping relationship between the sampling sub-stream and the application layer protocol; and identifying the application layer protocol, which each sub-stream in each cluster corresponds to, according to the mapping relationship between the clusters and the application layer protocols so as to identify the application layer protocol of the data stream which correspond to the sub-stream in the access network. The method and the device for identifying the traffic of the access network can perform high-speed on-line flow identification for the access network and can identify the application layer protocol of an encrypted data stream in the access network.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Multi-point water inlet aeration anoxic-aerobic high-efficient nitrogen and phosphorus removal method

The invention discloses a multi-point water inlet aeration anoxic-aerobic high-efficient nitrogen and phosphorus removal method. The method sequentially comprises the following steps of: (1) introducing sewage to be treated into a grille regulating tank through a water inlet pipe; (2) dividing the water after pretreatment by the grille regulating tank into two lines, wherein one line leads to an aeration tank and the other line leads to an anoxic tank; (3) sending the water in the anoxic tank into an aerobic tank; (4) dividing nitrified water after nitrification treatment in the aerobic tank into two lines, wherein one line returns to the anoxic tank, and the other line flows into a precipitation tank to perform mud-water separation; and (5) lifting sludge through a sludge lifting device, transporting the residual sludge to the outside through a sludge discharge pipe after passing through a sludge treatment system, and returning the sludge after lifting into the aeration tank. The method disclosed by the invention is suitable for new and transformation upgrading projects of high-ammonia nitrogen village and small town/industrial sewage treatment works, has the advantages of simplicity and convenience in management and maintenance, low cost, good treatment effects, strong nitrogen removal effect and the like, and is less affected by climatic conditions.
Owner:ZHENGZHOU UNIV

Off-line dynamic QR code generation method, and payment method and device

The invention discloses an off-line dynamic QR code generation method, and a payment method and device. For the scheme of the off-line dynamic QR code generation method, a dynamic password token technology based on time is used to perform encrypted operation to calculate the dynamic keyword of this time, according to a token seed key and a time factor, by means of combination with the transaction information containing the transaction amount, and a dynamic QR code pattern is generated according to the dynamic keyword of this time. The scheme applies to the dynamic password token technology to the dynamic QR code generation technology, thus being able to preferably solving the problem that a static QR code cannot realize one code for one time. Besides, in the scheme, the dynamic token and a certificate server are synchronous in time and are consistent in the algorithm, thus not depending on on-line and using the off-line mode to guarantee that the generated QR code data can be identified and authenticated by the background. And at the same time, the advantages of off-line are reduction of the on-line flow, reduction of network interaction time, reduction of transaction flow and steps, and improvement of transaction efficiency.
Owner:DYNAMICODE

Adaptive abnormal crowd behavior analysis method

The invention discloses an adaptive abnormal crowd behavior analysis method, which is used for analyzing crowd behaviors in a video image. The method comprises the following steps of performing streak line calculation on the video image; calculating a streak line flow; detecting abnormal behaviors; performing foreground detection on the video image of abnormal crowd behaviors; performing adaptive crowd density estimation comprising pixel-counting-based density estimation and texture-analysis-based density estimation, and finally dividing estimated density into four density levels, i.e. a low density level, a medium density level, a high density level and an ultrahigh density level, thereby finishing grading the abnormal crowd behaviors. According to the method, the concepts of streak line and streak line flow are introduced to analyze whether a crowd in the video image is abnormal or not; the method has the advantage of detection accuracy; the densities of crowds involved in the abnormal crowd behaviors in different density scenarios are estimated in an adaptive way, and the detected abnormal crowd behaviors are graded by using density estimation results as main characteristics; the method is used for accurately grading the abnormal behaviors (such as mass brawl) in crowded public places, and giving alarms.
Owner:SICHUAN UNIV

Ultrasonic imaging method and device for axial flow field of fluid in pipeline

The invention provides an ultrasonic imaging method and device for an axial flow field of fluid in a pipeline. The method comprises the following steps: distributing a plurality of ultrasonic transducers on the two cross sections at the upstream and the downstream, and detecting the axial flow field by using a tone channel network woven by the transducers; stimulating each transducer in sequence, electronically scanning and collecting ultrasonic signals transmitted by fair current and counter current of each tone channel; calculating average line flow velocity, and obtaining projection integration of the axial flow field on each tone channel; parallelly dividing the tone channels, and subdividing projection data of each tone channel group in an interval manner; using the chromatography imaging algorithm, rebuilding the axial flow field by using the subdivided projection data, and outputting and displaying the axial flow field. The device comprises a flow field detection pipe segment, an ultrasonic signal stimulation and collection module, a tone channel line flow velocity measuring module, an axial flow field reconstruction module and an output and display module. According to the device and the method provided by the invention, quick and accurate no-blind zone detection of the axial flow field on the cross sections of the pipeline can be realized, so that high-precision two-dimensional rebuilding of the axial flow field can be realized accordingly.
Owner:TSINGHUA UNIV
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