32results about How to "High accuracy of data detection" patented technology

A power reception device in a power transmission system including a power transmission device including a primary coil and the power reception device including a secondary coil, the power transmission device being configured to drive the primary coil and transmit AC power corresponding to a clock signal which is frequency-modulated according to a binary data signal, the primary coil and the secondary coil being electromagnetically coupled together to receive by the secondary coil in the power reception device, the AC power transmitted from the power transmission device, comprises a clock-signal extraction circuit configured to extract the clock signal from an induced voltage induced at one end of the secondary coil in receiving the AC power; and a demodulation circuit configured to generate a pulse synchronously with the clock signal extracted by the clock-signal extraction circuit, and demodulate the pulse to obtain the binary data signal.

Disclosed is an integrated physiological signal detection sensor, comprising a movable housing member, a fixed housing member, and a sensing unit circuit board. The movable housing member and the fixed housing member are connected to form an internal space therebetween. The sensing unit circuit board is fixedly installed on the fixed housing member within the space. A piezoelectric film is attached to the sensing unit circuit board. A hollowed-out region surrounds the periphery of the piezoelectric film. A protrusion is provided on the movable housing member at a position corresponding to the piezoelectric film. The sensor of the present invention has advantages of simplified sensor installation, improved signal integrity, and simplified wire routing of an electromagnetic shield layer, thereby eliminating errors caused by sensor installation and improving the accuracy of data detection.

The invention relates to an online fault detection device and method for a remote steel spring vibration isolator, including a bearing base, a supporting plate, a bearing spring, a pressure sensor and a main control system. The supporting plate is located directly above the bearing base, and passes at least The two bearing springs are connected, the pressure sensor is connected to the end surface of the supporting plate, the main control system is embedded in the bearing base, and is electrically connected with the pressure sensor. Its use method includes three steps of equipment assembly, monitoring operation and data analysis. On the one hand, the invention can effectively meet the needs of various types of steel spring vibration isolators and stable operation and use in complex field environments; on the other hand, the data detection accuracy is high, and the data acquisition is comprehensive, which can realize the synchronization of the operation status of the steel spring vibration isolators While carrying out accurate detection operations, it can also realize dynamic simulation of the operating state of the steel spring vibration isolator, so as to achieve the purpose of improving the operation stability and reliability of the steel spring vibration isolator equipment.

The present invention relates to a monitoring device of an amount of wind-driven rain at an external wall of a building. The monitoring device provided by the invention comprises a rain-harvesting board, a rainfall measuring mechanism and a rainfall measuring and control device; the rain-harvesting board is installed at the outer surface of the building wall and is provided with a hexagonal rain-harvesting groove, two drainage grooves are disposed at the apical angle of the upper part and the apical angle of the lower part of the rain-harvesting groove, and two baffles are respectively arranged at the left and right side edges of the rain-harvesting groove; the rainfall measuring mechanism is located under the rain-harvesting groove and is communicated with the apical angle of the lower part of the rain-harvesting groove through a conduit, and the rainfall measuring mechanism includes a housing and a rainfall detection device; and the rainfall measuring and control device includes a sealed case, a driving power and a control circuit, and the control circuit includes a data process module, a data storage module, a wireless data communication module, a driving module and a signal conversion module. The monitoring device of an amount of wind-driven rain provided by the invention may be effectively applicable to rainfall measurement and detection of various walls of buildings, therefore the rainfall detection works are more reliable, convenient and accurate, and the detection cost of the rainfall detection works is reduced.

The invention belongs to the field of protein content detection, and specifically relates to a method for improving the accuracy of basic data in near-infrared spectroscopy analysis technology, that is, protein detection data, based on the idea of ​​"data averaging". For the detection of protein content in the prior art, the method of averaging three measurements is usually adopted to improve the accuracy of the data. The present invention applies the idea of ​​"value averaging" to the problem of protein content detection, obtains the optimal measurement times for protein content measurement, and averages multiple measurements to improve the accuracy of protein detection data. The basic data detection applied to the modeling of human plasma protein content by near-infrared spectroscopy analysis technology, the number of parallel measurements of the basic data should be 39 times. The near-infrared spectrum analysis model established by the method is increased by 23.28% compared with the RMSEP modeled by repeating three parallel measurements to obtain an average model. The method of the invention is applied to the detection of plasma proteins and has great significance.

The invention discloses a novel new energy vehicle body electronic electromagnetic compatibility test method, which comprises five steps of basic information collection, to-be-detected vehicle positioning, self electromagnetic compatibility detection, alternating electromagnetic compatibility detection and data collection. The maneuverability is strong; the data detection precision is high; on onehand, simulation on multiple complex electromagnetic environments can be effectively carried out, and convenience and accuracy of detection on self equipment electromagnetic interference and electromagnetic interference on the vehicle by an external environment in the case of operation of the electric vehicle can be effectively improved; and on the other hand, a reliable reference for research, design and production of electric vehicles can be provided, and the reliability and the safety in the case of equipment operation of the electric vehicle are improved.

The invention relates to a comprehensive detection system for the structural strength of a destructive camshaft. Sub-table, the main driving guide rail is connected with the bearing frame through the turntable mechanism, the auxiliary driving guide rail is slidingly connected with the main driving guide rail, the bearing positioning seats are symmetrically distributed on both sides of the main driving guide rail, at least one slider is set on the auxiliary driving guide rail, and The end faces are respectively connected with the bearing bush, the hardness tester, the hard alloy stopper and the dial indicator through the lifting drive mechanism. Its use method includes three steps of equipment assembly, routine inspection and destructive inspection. The invention has a high degree of integration, modularization and intelligence, and can achieve the purpose of efficiently and comprehensively detecting the structural performance of the camshaft. In the detection operation, the operation automation degree is high, the data detection accuracy is high, and the detection data acquisition and identification are convenient and convenient. .

The present invention relates to an environment-friendly remote online data monitoring system based on the Internet and a method thereof, including a monitoring management server, a risk early warning server, a data communication network, an intelligent communication gateway, and an on-site data collection terminal. The early warning server is connected, and the intelligent communication gateway establishes a data connection with the on-site data collection terminal through the relay server, and the on-site data collection terminal is installed at the designated monitoring point. Its use method includes three steps of system networking, remote detection and environmental early warning. On the one hand, the present invention can effectively realize the need for comprehensive and accurate detection of the natural environment and the surrounding environment of pollution sources within a specific range, and has high data detection accuracy and high degree of operation automation; on the other hand, the system has strong networking, maintenance and expansion capabilities and low cost. It is cheap, and has good data communication and processing capabilities, and has good computing and processing capabilities for environmental data, and the system operates with a high degree of intelligence.

The invention relates to a remote monitoring gas station anti-cheating refueling data supervision system and method thereof. The supervision system includes on-site collection and monitoring terminals, intelligent communication gateways, wireless communication networks and remote monitoring platforms, wherein there are several on-site collection and monitoring terminals, each described The on-site collection and monitoring terminals are connected in parallel with each other, and are located between the refueling gun and the fuel supply pipe, and the refueling gun and the fuel supply pipe are connected through the on-site collection and monitoring terminal, and the on-site collection and monitoring terminal communicates with the intelligent The gateway is connected, and the intelligent communication gateway is connected with the remote monitoring platform through the wireless communication network. On the one hand, the present invention has simple system structure, simple and flexible operation, good operation safety, flexible and convenient system networking and control; The accuracy of the refueling quantity detection operation prevents fraud caused by refueling data tampering.