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.

The invention relates to a remote monitoring type carbon black master batch production and preparation control system and method. The system comprises a carbon black master batch production line and amonitoring system, and the monitoring system comprises a guide slide rail, a bearing base, a bearing column, a mobile detection terminal, an embedded detection terminal, a field controller and a remote production monitoring platform. The bearing base is in sliding connection with the guide sliding rail through a walking mechanism, the upper end face of the bearing base is connected with the bearing column, the upper end face of the bearing column is hinged to the mobile detection terminal through a rotary table mechanism, the embedded detection terminal is embedded outside a pipeline of the carbon black master batch production line, the mobile detection terminal and the embedded detection terminal are electrically connected with the field controller, and the field controller is connectedwith the remote production monitoring platform. The use method comprises two steps of system configuration, detection operation and the like. Data of all links of the production line can be comprehensively detected, and the data detection precision is high; moreover, the working efficiency and the control precision of the carbon black master batch production and processing control operation can begreatly improved.

The invention provides a digital pen based clock drawing test detection method. The method includes the following steps: 1) collecting handwriting data of a user clock drawing test; 2) identifying theoutline strokes, pointer strokes and number strokes of the handwriting data, and extracting stroke characteristics; and 3) performing detection on the outline strokes, the pointer strokes and the number strokes according to the stroke characteristics so that the clock drawing test can be achieved. A digital pen based clock drawing test detection system is also provided. The system includes a digital pen and information collecting equipment, wherein the digital pen is used for drawing figures, and the information collecting equipment is connected to the digital pen; the information collectingequipment includes a liquid crystal digital screen, a data collecting application and a data analyzing application; the handwriting data of the digital pen can be input and recorded by the liquid crystal digital screen; the handwriting data can be collected by the data collecting application; and the stroke characteristics of the handwriting data can be identified and marking can be performed through the data analyzing application.

The invention relates to a destructive camshaft structural strength comprehensive detection system, which comprises a main driving guide rail, an auxiliary driving guide rail, bearing and positioningbases, sliding blocks, a lifting and driving mechanism, a bearing bush, a durometer, a hard alloy stopper, a pressure sensor and a dial indicator, wherein the main driving guide rail is connected witha bearing frame by means of a turntable mechanism, the auxiliary driving guide rail is slidably connected with the main driving guide rail, the bearing and positioning bases are symmetrically distributed on two sides of the main driving guide rail, at least one sliding block is arranged on the auxiliary driving guide rail, and the upper end surface of each sliding block is connected with the bearing bush, the durometer, the hard alloy stopper and the dial indicator respectively by means of the lifting and driving mechanism. The use method comprises three steps of equipment assembly, conventional detection and destructive detection. The destructive camshaft structural strength comprehensive detection system is high in integration, modularization and intelligence degree, can achieve the purpose of efficiently and comprehensively detecting the camshaft structural performance, and is high in operation automation degree, high in data detection precision and easy and convenient in acquisition and identification of detection data during detection operation.

The invention discloses a rail-type continuous cycle multiple-temperature zone testing box, and the box comprises a thermal insulation housing, a transmission device, heating devices, cooling devices, an automatic door, and a control system. A side surface of the thermal insulation housing is provided with the automatic door, and the interior of the thermal insulation housing is provided with at least four thermal baffles, thereby enabling the interior of the thermal insulation housing to be divided into a high-temperature region, a medium-temperature region, a low-temperature region, and an ultralow-temperature region. The transmission device comprises a conveying rail and a material conveying vehicle. The heating devices are located in the high-temperature region and the medium-temperature region. The cooling devices are located in the low-temperature region and the ultralow-temperature region. The control system is embedded on the external surface of the thermal insulation housing. The testing method comprises four steps: starting pre-operation, material filling, starting test, and material taking. The box can effectively improve the use flexibility and reliability of testing equipment, is high in automation degree of a testing process, is flexible and convenient for the moving and adjusting of testing temperature and a test article, is stable in driving force, and greatly improves the testing efficiency and precision.

The invention discloses a whole vehicle high and low temperature test method for a new energy vehicle, which comprises five steps of to-be-detected vehicle positioning, static cold and hot test, static test data acquisition and dynamic cold and hot test and dynamic test data acquisition. The operability is strong, the data detection precision is high, the operation state and the self structure state of the vehicle in an extreme temperature environment change condition can be thoroughly and effectively detected, and thus, on one hand, the accurate vehicle operation quality and the use limit life parameters can be obtained effectively, on the other hand, an accurate and reliable design basis is provided for a vehicle design scheme, an assembly process and part selection, and the vehicle quality, the operation stability and the reliability are improved.

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 provides wireless communication equipment which relates to the technology of wireless communication, and comprises a receiving antenna and a signal processing module, wherein the receiving antenna is used for receiving wireless signals transmitted by a plurality of wireless channels, the wireless signals respectively carry a plurality of subcarriers to carry out transmission, the signal processing module comprises a channel estimation unit, a channel information counting unit and a detection unit, wherein the channel estimation unit is used for estimating a frequency response value of each subcarrier, the channel information counting unit is used for counting the channel information of the wireless channels and enables the channel information to respectively generate adjustment factors corresponding to the subcarriers, and the detection unit is used for carrying out selective power adjustment to the frequency response values provided by the channel estimation unit and wireless signals of the subcarriers corresponding to the frequency response values according to adjustment factors estimated by the channel information counting unit, so that the signals after the power adjustment are detected. The invention simultaneously provides a wireless communication method.

The invention relates to a damper health monitoring system based on real-time monitoring of the Internet of Things, and the system comprises an Internet-of-Things communication gateway, a management server based on big data, a relay server, and a field collection terminal. The field collection terminal establishes data connection with the relay server through the Internet-of-Things communication gateway, and the relay server establishes data connection with the management server based on big data through the communication network. The use method comprises the three steps of equipment assembly, monitoring operation and data analysis. On one hand, the requirements for stable operation and use of dampers of various structure types in a complex field environment can be effectively met; and on the other hand, the data detection precision is high, data acquisition is comprehensive, the operation state of the damper can be synchronously and accurately detected, meanwhile, the operation state of the damper can be dynamically simulated, and therefore the purpose of improving the operation stability and reliability of damper equipment is achieved.

The invention belongs to the field of protein content detection, and particularly relates to a method for improving the accuracy of basic data, i.e., protein detection data, in a near infrared spectrum analysis technology on the basis of the thought "data equalization". In the prior art, a method for three-time measurement for averaging is generally adopted by aiming a protein content detection problem to improve data accuracy. The thought "data equalization" can be applied to a protein content detection problem, an optimal measurement frequency for protein content measurement is obtained, andmeasurement is carried out for multiple times for averaging to improve the accuracy of protein detection data. The method is applied to the basic data detection of human plasma protein modeling in the near infrared spectrum analysis technology, and the parallel measurement frequency of the basic data should be 39 times. The RMSEP (Root-Mean-Square Error of Prediction) of the near infrared spectrum analysis model established with the method is improved than the RMSEP of the repetition of parallel measurement for three times for averaging by 23.28%. The method is applied to plasma protein detection and has an important meaning.

The invention discloses a detector of a rebound apparatus, which comprises a main gliding plate and a secondary gliding plate, and a static steel anvil; the main gliding plate and the secondary gliding plate are moveably installed on a base, and can mutually move through a fastening spring, and lock through a fixing lead rail part; the upper parts of the main gliding plate and the secondary gliding plate are equipped with a shell fixing part and a flange guide part; a core part to be detected is installed in the flange guide part. The front and back parts of the core part are fixed through a buckle part and a back pull baffle; when technical parameters of the rebound apparatus are detected, the index component rod, and other precisions of the shell body are detected through static state; the elastic rod collides to the center of the steel anvil through the effect of the elastic hammer of the core on the elastic rod, the counteractive force of the elastic hammer is acted on a pointer component, thus the pointer component is moved with a certain distance, and precision of the core part is detected. Through a single device, the detector can detect many parameters of the rebound apparatus; the identifying precision is high and the design structure is reasonable, and the detector has extremely high performance cost.

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.

The invention discloses a rail-type continuous cycle multiple-temperature zone testing box, and the box comprises a thermal insulation housing, a transmission device, heating devices, cooling devices, an automatic door, and a control system. A side surface of the thermal insulation housing is provided with the automatic door, and the interior of the thermal insulation housing is provided with at least four thermal baffles, thereby enabling the interior of the thermal insulation housing to be divided into a high-temperature region, a medium-temperature region, a low-temperature region, and an ultralow-temperature region. The transmission device comprises a conveying rail and a material conveying vehicle. The heating devices are located in the high-temperature region and the medium-temperature region. The cooling devices are located in the low-temperature region and the ultralow-temperature region. The control system is embedded on the external surface of the thermal insulation housing. The testing method comprises four steps: starting pre-operation, material filling, starting test, and material taking. The box can effectively improve the use flexibility and reliability of testing equipment, is high in automation degree of a testing process, is flexible and convenient for the moving and adjusting of testing temperature and a test article, is stable in driving force, and greatly improves the testing efficiency and precision.

The invention belongs to the technical field of water quality sampling equipment, and particularly relates to a hydrogeological water quality sampling device. The device comprises a main body; a sampling tube is arranged on one side of the main body; a filter cartridge for preventing impurities from entering is arranged on the outer side of the lower end of the sampling tube; and a solar panel for long-time use of the main body is arranged at the rear end of the main body. After a jacket is pulled outwards and slides upwards to a preset position, a spring drives the jacket to automatically reset and be clamped and connected into a ring block, close to the lower end, of a sampling pipe, so that a filter cartridge is fixed to the outer side of a suction opening of the sampling pipe, and impurities in water are isolated to prevent a detection result from being influenced; then, after the elastic bolt is screwed upwards to make the rotating seat contact and be fixed, the rotating seat is rotated to adjust the position of the storage cylinder, then the elastic bolt is screwed downwards, the storage cylinder is fixed through the rubber pad arranged at the lower end of the elastic bolt to facilitate classified storage of water, and the storage cylinder can be conveniently assembled and disassembled, and is easy to operate and convenient to use through the elasticity of the elastic clamp.

The invention discloses an electromagnetic compatibility experimental method for industrial robot controllers. The electromagnetic compatibility experimental method includes five steps of equipment assembly, normal-temperature detection, high-temperature detection, low-temperature detection and data summarization. The electromagnetic compatibility experimental method has the advantages that universality, operability and data detection accuracy are high, simulation detection of the controllers can be achieved under multiple complex natural and electromagnetic environments, biofidelity is high,and detection data are convenient and rapid to acquire, so that detection cost and labor intensity are reduced greatly, detection efficiency and accuracy are improved effectively, and reliable reference is provided for follow-up research, development and application of servo-drive equipment products.

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 a remote monitoring carbon black master batch production and preparation control system and its method. The system includes a carbon black master batch production line and a monitoring system. The monitoring system includes a guide rail, a bearing base, a bearing column, a mobile detection terminal, Detection terminal, on-site controller and remote production monitoring platform, the bearing base is slidingly connected with the guide slide rail through the walking mechanism, and its upper end surface is connected with the bearing column, and the upper end surface of the bearing column is hinged with the mobile detection terminal through the turntable mechanism, embedded in the detection terminal Outside the pipeline of the carbon black masterbatch production line, the mobile detection terminal and the embedded detection terminal are electrically connected to the on-site controller, and the on-site controller is connected to the remote production monitoring platform. Its use method includes two steps of system configuration and detection operation. On the one hand, the invention can comprehensively detect the data of each link of the production line with high data detection accuracy; on the other hand, it can greatly improve the working efficiency and control accuracy of the production and processing control operation of the carbon black masterbatch.

The invention relates to a device and a method for detecting temperature characteristics of a temperature sensor. The device comprises an ohmmeter I, an ohmmeter II, an ohmmeter III, a heating furnace IV, a temperature controller V, a power supply circuit, a temperature sensor A to be measured, a temperature sensor B to be measured, a temperature sensor C to be measured, a sensor for controlling the temperature of the furnace, connectors XP1 / XS1-XP4 / XS4 and a panel. The detection method comprises the following steps of: turning on a power source of the device; presetting the furnace temperature and selecting temperature-raising output voltage; respectively measuring the changes of the temperature sensor A, the temperature sensor B and the temperature sensor C which correspond to the furnace temperature from a low temperature period to a high temperature period, recording a plurality groups of relevant data for the corresponding change of resistance in a table; and thereby analyzing the temperature characteristics of the temperature sensor. The method is simple, direct and directviewing, improves the detection precision and the detection efficiency of data, can save energy and reduce emission, not only can be used for researching the temperature characteristics of the temperature sensor, but also can be used for electricity experiment teaching.

The invention discloses a novel industrial robot servo driver electromagnetic compatibility test method. The method comprises five steps of equipment assembly, normal temperature detection, high temperature detection, low temperature detection and data summarization. According to the invention, the universality and operability are high; the data detection precision is high, simulation detection can be performed on a servo driver when the servo driver operates in various complex natural environments and electromagnetic environments; the simulation degree is high, and detection data is convenient to obtain, so that the detection operation efficiency and the detection precision are effectively improved while the detection operation cost and the labor intensity are greatly reduced, and meanwhile, a reliable reference basis can be provided for subsequent research, development and use of servo driving equipment products.

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 discloses a vehicle continuous driving mileage test method, which comprises five steps: positioning a vehicle to be detected, detecting a normal state continuous driving mileage, carrying out temperature adjusting test, collecting experimental data, and summarizing the data. According to the present invention, the vehicle continuous driving mileage test method has advantages of strong operability and high data detection precision, can effectively perform simulated operation under a variety of complicated conditions, can completely obtain the high-precision continuous driving parameters of electric vehicles, and can further detect the operation state parameters of electric vehicles under a variety of complicated environments according to the use requirements, such that the reliable design basis can be provided for the design of electric vehicles.

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. .

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 present invention provides a digital pen-based clock drawing test and detection method, the steps comprising: 1) collecting handwriting data of the user's clock drawing test; 2) identifying outline strokes, pointer strokes and digital strokes of the handwriting data, and extracting stroke features; 3) According to the characteristics of the strokes, the outline strokes, pointer strokes and digital strokes are detected to realize the clock drawing test. The present invention also provides a digital pen-based clock drawing test and detection system, including: a digital pen for drawing graphics; an information collection device connected to the above-mentioned digital pen, including a liquid crystal digital screen, a data acquisition application and a data The analysis application is to input and record the handwriting data of the digital pen through the liquid crystal display, collect the handwriting data through the data collection application, and identify and score the stroke characteristics of the handwriting data through the data analysis application.

The invention provides wireless communication equipment which relates to the technology of wireless communication, and comprises a receiving antenna and a signal processing module, wherein the receiving antenna is used for receiving wireless signals transmitted by a plurality of wireless channels, the wireless signals respectively carry a plurality of subcarriers to carry out transmission, the signal processing module comprises a channel estimation unit, a channel information counting unit and a detection unit, wherein the channel estimation unit is used for estimating a frequency response value of each subcarrier, the channel information counting unit is used for counting the channel information of the wireless channels and enables the channel information to respectively generate adjustment factors corresponding to the subcarriers, and the detection unit is used for carrying out selective power adjustment to the frequency response values provided by the channel estimation unit and wireless signals of the subcarriers corresponding to the frequency response values according to adjustment factors estimated by the channel information counting unit, so that the signals after the power adjustment are detected. The invention simultaneously provides a wireless communication method.

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.