89results about How to "Strong extension function" patented technology

The invention discloses a notebook computer docking station which comprises a host box. A supporting plate for placing a notebook computer is fixed on the host box and provided with a positioning and fixing device which is used for rapidly positioning, clamping and fixing the notebook computer on the supporting plate and is connected with a connector corresponding to a signal output port of the notebook computer, and the connector is aligned to and inserted in the signal output port of the notebook computer after the notebook computer is positioned and fixed on the supporting plate. The notebook computer docking station has the advantages of rapidly positioning the notebook computer, being accurately and reliably abutted with the output port of the notebook computer, being capable of firmly fixing the notebook computer and having prominent anti-vibration and anti-impact capabilities and extended performance.

The present invention relates to oil well output liquid measuring power graph method and device. Oil well liquid output is measured through analysis of the 3D vibration of oil pumping rod column, oil pipe column and liquid column and the time relationship of their displacement, speed, strain, stress and load, research of the mutual coupling of the force and displacement of these three sys, acquiring oil well relating data with load and displacement sensors, and computer treatment to calculate the effective stroke of the oil pump. Meanwhile, the present invention also performs the diagnosis and analysis of oil well work state and the remote monitoring of oil well.

The invention discloses a greenhouse dripping and irrigating locale monitoring system based on a wireless embedded technology. A wireless capturing information node, a greenhouse locale wireless controller and a wireless control information node are formed into a star-shaped monitoring network; the wireless capturing information node transmits an environment parameter to the greenhouse locale wireless controller; the greenhouse locale wireless controller immediately displays and transmits a control order to the wireless control information node; and the wireless control information node drives a valve to move after receiving the control order. The greenhouse locale wireless controller transmits data to a mobile phone user through the GPRS/GSM network, and transmits the data to a central controller through various modes such as the Internet, the USB and the bus. The system abundantly makes full use of the advantages of a ZigBee short distance free wireless network and a GPRS/GSM long distance billing network, is more efficient with the embedded technology, greatly improves the monitoring function of the greenhouse locale, improves the irrigating efficiency, increases the crop yield, increases the yield for the user, and is suitable for the popularization and the application in large range.

The invention discloses a residual error network-based detection method for four types of damage of a conveyer belt. The method comprises the steps of recording a conveyer belt running video; extracting picture samples from the video and performing preprocessing; dividing a training data set and a test data set; constructing a residual error network and performing training by using the training data set; performing assessment by using the test data set; and performing a series of processes of real-time detection on the conveyer belt by using the residual error network meeting the requirements,thereby real-time detection of the four types of the damage, including "tear", "scratch", "chamfered edges" and "holes", of the conveyer belt. According to the method, the detection of the four typesof the damage of the conveyer belt is realized through the video, so that complicated work due to use of a large amount of sensor detection apparatuses is avoided and the cost is reduced; and an identification network is constructed by using the residual error network, so that the network training precision is improved and the identification error rate is reduced.

The invention belongs to the software function detection technique, and discloses an automatic detecting system for extension behavior of a Firefox browser, which utilizes an extraction extension line of the instrumentation Firefox browser. The system comprises a browser instrumentation module (101), an extension downloading module (102), a testing site module (103), an extension information extraction module (104), an event simulation module (105), an injection object tracking module (106), a control module (107), and an extension downloading storage vault (108). Compared with the prior art, in order to know the traditional browser expansion behavior, the invention further provides a proper security policy to reduce the extension use risk of the browser, so that the user can own great freedom degree during applying the extension on the premise of guaranteeing the security. Effective judgment reference is provided for judging whether safety threat exist in the inside extension of the browser, that is, the advantages that the Firefox owns great extension function and high humanization degree are fully exerted on the basis of security.

The invention relates to a distortion tester comprising a rotary table, a light source and a micro imaging system, wherein the light source and the micro imaging system are arranged on the same optical axis and are arranged on two sides of the rotary table. The invention provides a distortion tester which has high measurement precision, high efficiency, stable structure and expandable function.

Provided is anelectroencephalogram, myoelectricity and inertial information synchronous acquisition device. The device comprises a multi-information synchronous acquisition sensor, an embedded micro-processing system, a wireless transmission communication interface, a data receiving platform and a power module. The multi-information synchronous acquisition sensor acquires a synchronous electroencephalogram signal, a myoelectricity signal andinertial information in real time, the signalsare sent to the embedded micro-processing system through signal conditioning such as preamplification, activefiltering,post-amplification and the like, the micro-processing system conducts A/D converting and optimizing treatment on the electroencephalogram signal, the myoelectricity signaland the inertial information, and the signalsare wirelessly transmitted to the data receiving platform through the wireless transmission communication interface. The device has the advantages of multi-signal acquisition, wireless transmission, stable communication, strong expandability, portability, easy operation and the like, can be used for real-time synchronous acquisition of the electroencephalogram signal, the myoelectricity signal and the inertial information in the movement, meets the data receiving and processing requirementsof data application platforms such as PC, mobile phone and the like, and provides great convenience for human body motion posture analyses, function evaluation, brain-computer interface researches and application fields.

Embodiments of the invention provide a data migration method and device, and relates to the technical field of computers. The method comprises the following steps of: receiving a migration task of migrating data in a first system into a second system; and calling each upper interface corresponding to the migration task, and calling bottom-layer operation interfaces of the first system and the second system by each upper interface through an abstract interface class so as to migrate the data of the first system to the second system. According to the method and device, bidirectional data transmission and migration can be carried out between any two data terminals, and bidirectional data transmission and migration can be realized between any data terminal which comprises cloud storage products, which do not support data migration, such as Baidu object storage and Jinshan object storage and any other data terminal.

The invention provides a reconfigurable embedded teaching and innovation training method and platform. A core board plate part and a plurality of common innovation modules matched according to innovation requirement; master and slave modules can be matched at will according to verification type training and innovation requirements, training equipment adopts 'gridding' layout, and a 'block building type' innovation training mode is realized. Under the condition that the modules are not seriously damaged, the training equipment does not need to be eliminated, low cost is realized, and innovation training can be provided for courses such as singlechip system design, computer interface technology, embedded system design and practical training of Internet of things; and cost performance, openness and expansibility are good, and functional modules can be conveniently added and reduced as required for carrying out innovation. The reconfigurable embedded teaching and innovation training method and platform have the advantages that layout of modules of each part is reasonable, a training module is comprehensive, 'zero' maintenance is basically realized, and requirements of verification type, design type, comprehensive and innovation type training can be met.

The invention relates to an element of interior orientation and a distortion tester applied to a digital navigation camera. The distortion tester comprises a light source, a rotary table and a parallel light pipe, wherein the parallel light pipe is positioned between the light source and the rotary table and arranged on the same optical axis with the light source. The invention provides an element of interior orientation and a distortion tester with simple structure, convenient operation and high precision.

The invention relates to an intelligent cabinet control unit which comprises a control mainboard, a human-machine interaction module, an indoor temperature-humidity sensor and an outdoor temperature-humidity sensor, wherein the human-machine interaction module, the indoor temperature-humidity sensor and the outdoor temperature-humidity sensor are respectively electrically connected with the control mainboard, the control mainboard comprises a single-chip microcomputer, a power supply module, an alternating-current power supply detection module, a CPLD (Complex Programmable Logic Device), an A/D (Analog/Digital) conversion module, an intelligent control output module, an alarm output module, a storage module and a communication module with a plurality of communication interfaces; the single-chip microcomputer is respectively electrically connected with the alternating-current power supply detection module, the CPLD, the A/D conversion module and the storage module; the CPLD is respectively electrically connected with the intelligent control output module, the alarm output module and the communication module; and the indoor temperature-humidity sensor and the outdoor temperature-humidity sensor are respectively connected with the A/D conversion module. The intelligent cabinet control unit integrates core elements of the single-chip microcomputer and the CPLD, and has the advantages of high integration, powerful expansion function and simple circuit.

The invention relates to an implementation method of bladder volume measurement. The implementation method of bladder volume measurement includes the steps: control of a whole machine; control of probe scanning; control of emission and reception of ultrasonic signals; control of image processing and ultrasonic imaging; according to the obtained image information, drawing the boundary two dimensional coordinates of a plurality of bladder sections, converting the two dimensional coordinates of all the boundary points of each section into three dimensional coordinates, and enabling the three dimensional coordinates to employ OpenGL to establish a 3D bladder model; equally dividing the 3D bladder model into n layers from top to bottom, wherein n is the ultrasonic depth of the bladder; and calculating the area of each layer, and accumulating the areas to obtain the volume of the bladder. The invention also relates to a ladder volume measuring device. The bladder volume measuring device, and the implementation method of the same can conveniently measure the bladder volume without pain, thus reducing iatrogenic urinary system infection, reducing the pain caused by frequent conduit insertion and being convenient to operate, and can preferably control filling of bladder for pelvic cavity tumour radiotherapy, thus positioning accurately for pelvic cavity tumour radiotherapy and achieving accurate radiotherapy effect.

The invention discloses an FPGA-based integrated communication interface. The FPGA-based integrated communication interface comprises an FPGA chip, a communication switching module and a communication interface assembly, wherein the input end of the FPGA chip is connected with an RJ45 interface; the input end of the RJ45 interface is connected with the output end of the communication switching module; the input end of the communication switching module is connected with the output end of the communication interface assembly; the output end of the FPGA chip is connected with an FPGA interface; an A/D converter is arranged at the joint of the FPGA chip and the FPGA interface; the output end of the FPGA chip is connected with a storage chip; the input end of the storage chip is connected with a storage chip driving power supply which is used for driving the storage chip to work; and the communication interface assembly consists of an RS232 serial communication circuit, an Ethernet communication circuit, a USB interface module, a Bluetooth module and an RS485 communication circuit. The FPGA-based integrated communication interface provided by the invention is high in integrity, good in design flexibility, strong in extended function, reliable and stable in communication performance and high in speed.

The invention discloses a hybrid detecting device for an alternating-current voltage and a direct-current voltage of a wind power converter, and the hybrid detecting device comprises an alternating-current and direct-current high-voltage sampling circuit, a conditioning circuit, an RC (resistor-capacitor) filter circuit and an AD (analog-digital) converting circuit, which are connected in sequence, wherein the alternating-current and direct-current high-voltage sampling circuit is used for detecting the alternating-current voltage and the direct-current voltage of the wind power converter; the conditioning circuit is used for filtering high-frequency interference out from a sampled signal and is separated from a control system; the RC filter circuit is used for filtering out the high-frequency interference of the system and reducing burrs of a waveform; the AD converting circuit is used for converting an analog signal which is output after passing through the RC filter circuit into a digital signal; the AD converting circuit outputs the signal to a CPU (central processing unit) to process the signal; the CPU controls an executor to execute a processing result; and the conditioning circuit is further connected with a signal indicating lamp for indicating that a wind power converter system begins working. The invention aims at providing the hybrid detecting device for the alternating-current voltage and the direct-current voltage of the wind power converter, by using the hybrid detecting device, the detection of the alternating-current voltage and the detection of the direct-current voltage are integrated, and the simultaneous detection of various voltages in different amplitude ranges is achieved.

The invention discloses an electric vehicle charging system and an application method thereof. The main control module of the charging system is connected with a plurality of charging modules with identification numbers in a wired or wireless manner, and further connected with a human-computer interaction interface and a charging identification reader-writer. The single chip of each charging module is connected with a plurality of charging output ends with specific numbers by use of driving optical couplers and relays. Once a relay is connected, the corresponding charging output end of the relay is connected with a power source. The output end of a current/voltage sampling circuit which is connected with the output end of each relay is connected to the single chip of the corresponding charging module. The application method comprises the following steps: the battery of a user is connected to the selected charging output end, a main control module enables the charging output end to be electrified temporarily, the charging fee needed by the battery is calculated, and then the user pays before charging. The main control module is used for monitoring the charging process, gives an alarm on abnormal circuit opening and an alarm on overcurrent or undervoltage power failure, and controls automatic stop after full charging. The electric vehicle charging system is stable and reliable in operation and high in anti-jamming capability; the user can complete paid charging through self-service; the system can be established into stations of different scales and is easy to expand.

The invention discloses a conductive liquid volume and flow detecting device which comprises a microcontroller module, a flow sensor, a signal conditioning circuit, a display module and a power supply module, wherein the flow sensor is connected with the microcontroller module through the signal conditioning circuit, the display module is connected with the microcontroller module, and the power supply module supplies power to the microcontroller module, the flow sensor, the signal conditioning circuit and the display module. The conductive liquid volume and flow detecting device is high in measuring precision, stability and reliability. A magnetic field is generated by output excitation signal driving the excitation coils of the flow sensor, the induction electrodynamic potential output by the flow sensor is acquired and processed, and the volume and flow of the conductive liquid is accurately calculated.

The invention provides a Beidou intelligent vehicle terminal that can timely and automatically clean a camera lens and is suitable for transport vehicles. The Beidou intelligent vehicle terminal includes a Beidou vehicle terminal host, an automobile driving parameter acquisition module, a camera, a power supply and a case. The Beidou intelligent vehicle terminal is characterized in that: it also includes an automatic lens cleaning device for keeping the camera lens clean. The automatic lens cleaning device comprises an air collection port, an air pipe and an air outlet. The air collection port is a bell mouth, the big mouth end of the air collection port is towards the vehicle head, and the small mouth end is connected to the air pipe. The air inlet of the air collection port is provided with a filter net. The air pipe is mounted on the vehicle body, the air pipe is provided with a dust exhaust hole, which is provided with an electrostatic dust collector, and the air outlet of the air pipe is towards the camera lens.

The invention discloses a test platform and a test method for a flexible direct-current transmission power supply module. The test platform comprises an HMI touch screen. The HMI touch screen is connected with the PLC main controller; a digital quantity input interface and a digital quantity output interface of the power distribution and control unit are connected with a digital quantity output interface and a digital quantity input interface of the PLC main controller; a high-voltage input interface of the power distribution and control unit is connected with a high-voltage output interface of the program-controlled high-voltage source; a high-voltage output interface of the power distribution and control unit is connected with a high-voltage input interface of the to-be-tested module; ahigh-voltage input interface of the voltage transmitter is connected with a direct-current side high-voltage output interface of the to-be-tested module; an analog quantity output interface of the voltage transmitter is connected with an analog quantity input interface of the PLC main controller; a slave station interface of the FPGA core board is connected with a master station interface of the PLC master controller, an AC sampling input interface of the FPGA core board is connected with an AC output interface of a module to be tested, and a high voltage control interface of the program control high voltage source is connected with an output interface of the PLC master controller. The invention discloses a working method of the test platform.

The invention provides a Beidou intelligent vehicle terminal which is high in applicability, comprehensive in monitoring and suitable for a transport vehicle. The Beidou intelligent vehicle terminal comprises a Beidou vehicle terminal mainframe, an automobile travelling parameter acquisition module, at least one camera, a power supply and a case, wherein the automobile travelling parameter acquisition module and the camera are respectively and electrically connected with the Beidou vehicle terminal mainframe; the case is arranged on an automobile; the Beidou vehicle terminal mainframe is arranged in the case; the power supply is arranged on the automobile. The Beidou intelligent vehicle terminal is characterized in that the case comprises two boxes including an external box and an internal box; springs are evenly arranged between the outer wall of the internal box and the inner wall of the external box; the Beidou intelligent vehicle terminal also comprises a driver data processing center, a pulse and blood pressure transducer and a body temperature transducer, and the pulse and blood pressure transducer and the body temperature transducer are electrically connected with the driver data processing center.

The invention discloses a reservoir flow velocity measurement method based on a pressure sensor, which belongs to the field of automatic control and flow velocity measurement. A water tank, a tap, a pressure sensor, a DC voltage-stabilizing power supply, a serial port, an MSP430F149 microprocessor, a data processing algorithm, a 12864 liquid crystal display, a PC and the like are included, wherein the water tank is used for storing water; the tap is used for controlling on and off of a water flow; the pressure sensor is placed at the bottom part of the water tank for sensing changes of liquid level pressure inside the water tank and transmitting the acquired pressure data to the MSP430F149 microprocessor; through the corresponding data processing algorithm, gross errors are removed, accurate AD data are obtained, liquid level height information and flow velocity information are finally converted and displayed on the 12864 liquid crystal display; the DC voltage-stabilizing power supply provides power for each module; and by using the serial port, the height information and the flow velocity information are displayed on an upper computer of the PC. Thus, the purposes of measuring the liquid level height and the flow velocity of the reservoir at the same time by using the pressure sensor are realized.