1016 results about "Rs 232 interface" patented technology

A single chip wireless sensor (1) comprises a microcontroller (2) connected by a transmit / receive interface (3) to a wireless antenna (4). The microcontroller (2) is also connected to an 8 kB RAM (5), a USB interface (6), an RS232 interface (8), 64kB flash memory (9), and a 32 kHz crystal (10). The device (1) senses humidity and temperature, and a humidity sensor (11) is connected by an 18 bit ΣΔ A-to-D converter (12) to the microcontroller (2) and a temperature sensor (13) is connected by a 12 bit SAR A-to-D converter (14) to the microcontroller (2). The device (1) is an integrated chip manufactured in a single process in which both the electronics and sensor components are manufactured using standard CMOS processing techniques, applied to achieve both electronic and sensing components in an integrated process.

The invention discloses a family security remote monitoring system and method based on Internet of things. The family security remote monitoring system comprises a main control module, an image acquisition module, a wireless communication module and a sensor module, wherein the main control module is connected with the image acquisition module through a USB (Universal Serial Bus) interface, the main control module is connected with the wireless communication module through an RS232 interface, the wireless communication module is connected with the sensor module through a Zigbee wireless network, the main control module is connected with an external speaker through an audio interface, and the main control module is connected with the internet through an RJ45 internet port. The monitoring method comprises the following steps: when the sensor module collects gusty environmental parameters, the image acquisition module begins to collect family real-time images, the images are then sent toa householder's mobile phone by the main control module, and the householder verifies whether any accident happens or not and carries out the corresponding dispose from distance.

The invention provides a test system and method for a single event effect of an SRAM (System Random Access Memory) type FPGA (Field Programmable Gate Array). The test system comprises a single chip microcomputer processor, an RS232 interface circuit, a USB (Universal Serial Bus) interface circuit, a test FPGA and a storage unit. The test system and method can be used for fault injection tests of a configuration memory and a BRAM (Battery Random Access Memory) of the SRAM type FPGA, and single event function interrupting detection, single event locking detection and single event turning detection including single event turning detection for a configuration storage region, the BRAM and a trigger of the SRAM type FPGA are realized. The invention has the advantages of simplicity in operation, entirety in detection, high accuracy, good real-time property and strong universality.

A wireless PDT of the present invention employing a "display-on bottom" design which places the unit perfectly centered in the hand of the operator, allowing for the best possible viewing as well as providing comfortable single-handed operation. The high-resolution LCD display allows the PCT to show sharp, clear bitmap images while supporting all Windows-recognized font types and sizes. With the auto back-lit feature, the brightness adjusts automatically making the screen easy to read in all light conditions. The PDT is designed for support within the download / charger cradle of a base station which interfaces with a host system using either USB or RS232 interface. Two standard 'AA' or rechargeable Li-Ion batteries provide more than 100 hours of operation. In addition, the PDT comes standard with 2 MB of RAM providing enough memory to store over 100,000 records.

The invention discloses a multi-protocol data converter for vehicle fault diagnosis, which comprises a vehicle connection interface and a RS232 interface connected with a microcontroller; a converter feed circuit and an a K line signal condition circuit, a CAN signal condition circuit and an ALDL signal condition circuit are respectively arranged between the microcontroller and the vehicle connection interface; a RS 232 signal condition signal is arranged between the microcontroller and the RS232 interface; the vehicle connection interface adopts a standard EOBD and an OBD II connector which meet ISO 15031-3 and SAE J1962 prescriptions; the microcontroller is embedded with a vehicle protocol automatic search module and a protocol diagnosis module. The protocol diagnosis module comprises a diagnosis processing submodule of ISO15765 / SAE J1939 protocol and a diagnosis processing submodule of SAE J1850 / ISO 9141 / ISO 14230 / KW1281 / ALDL protocol; an SAE J1850 signal alignment circuit is arranged between the microcontroller and the vehicle connection interface and used for realizing signal condition by two ways of J1850 VPW andJ1850 PWM; the microcontroller and each signal condition circuit are connected by the interface circuit of the microcontroller; at the same time, the invention also discloses a diagnosis method for the data converter.

The invention discloses a device for detecting the breakdown of sulfur hexafluoride gas-insulated electrical equipment. The device comprises multiple gas acquisition units. The gas acquisition units are connected with an A / D conversion module (11) wihch is connected with a monitoring and analysis system (12); after SF6 decomposition gas generated from the sulfur hexafluoride gas-insulated electrical equipment is respectively filtered and measured by the gas acquisition units, gas concentration analog signals are obtained, and the gas concentration analog signals are converted to digital signals by the A / D conversion module (11); after the digital signals and the temperature and humidity signals are processed, calculated and analyzed by the monitoring and analysis system (12), a quantitative contrast relationship between the components and concentration of the SF6 decomposition gas and the inner exceptions in the sulfur hexafluoride gas-insulated electrical equipment is obtained to judge the type and the severity of the breakdown and predict development trend of the breakdown; the device for detecting the breakdown is connected with an upper computer by an RS485 or RS232 interface (34) to realize remote communication.

The invention discloses a vehicle monitoring system based on Beidou system. The invention is characterized in that the system is composed of a Beidou ground monitoring centre, a Beidou navigating and locating satellite and a Beidou vehicle-mounted system, wherein the Beidou navigating and locating satellite is dependent on current satellite system built by Beidou network system. The Beidou vehicle-mounted system comprises a Beidou terminal and a train network. The train network is a current TCMS system, wherein the TCMS system comprises a vehicle dragging sub-system, a vehicle braking sub-system, a vehicle signal sub-system and a vehicle broadcasting sub-system. The TCMS system is communicated with a Beidou terminal via an RS232 interface to provide vehicle state information to the Beidou terminal on one hand, and to receive Beidou navigating and locating information, time service information and control instruction from the ground monitoring centre on the other hand so as to control the operation of the vehicle. The Beidou terminal is communicated with the locating satellite. The locating satellite is used for transmitting the locating information and vehicle state information to the ground monitoring centre. The centre is used for transmitting the information to all ground monitoring terminals so that the operated vehicle can be monitored and all operated vehicles can be monitored and controlled.

The invention relates to a mobile phone automatic test device and a method. The device is connected with a computer, and comprises a controller, a test clamp, a mobile phone and a collector, wherein the controller provides the test clamp with a power supply and an audio interface, and is connected with the test clamp through a key matrix winding displacement and a sensor cylinder winding displacement; the test clamp is used for fixing the to-be-tested mobile phone, a test thimble is pressed to the test point of the to-be-tested mobile phone, and a test signal of the test point is connected to the controller; an LCD screen, a data cable of a touch screen, and a signal wire of the mobile phone are connected to the 40Pin interface of the collector; and the collector is connected with the computer through a USB interface, and is further connected with a controller through an RS232 interface. By adopting the device, the defects of the prior art such as low production efficiency and inaccurate test results of the manual mobile phone test are overcome.

The present invention discloses a new type active radio frequency identification (RFID) system and its operation method. The described system includes active RFID tag, active reader and its communication protocol. Said system is worked at 2.45 GHz of ISM frequency channel, the described tag portion includes microprocessor, radio frequency receiving / sending chip, power supply management, real time clock (RTC) and antenna. The described reader mainly includes microprocessor, radio frequency receiving and sending chip, power supply management, real-time clock (RTC), liquid crystal display, external interface module and antenna, etc. At the same time it provides RS-232 interface, and can implement communication with PC machine.

The invention provides an electromagnetic system for detecting a distance between adjacent wells while drilling, which is capable of providing accurate guide measurement and calculation for the control of well tracks of wells with complex structures, such as a cross well, a U-shaped communicated well, a dual-horizontal well, an accident rescue well and the like. The electromagnetic system for detecting the distance between adjacent wells while drilling mainly comprises a magnetic pipe nipple, an electromagnetic measuring instrument and a method for calculating the distance between adjacent wells, wherein the magnetic pipe nipple is a hollow cylinder with API standard ports at the two ends consisting of a non-magnetic drill collar and a plurality of permanent magnets, and is used as a signal source for an electromagnetic guide system; the measuring instrument mainly comprises an underground searching tube and a ground system, and is mainly used for detecting a magnetic vector signal ofthe magnetic pipe nipple and for sending data to a computer through an RS-232 interface; and the computer processes and analyzes measured information by using the method for calculating the distance between adjacent wells so as to convert the measured information of a drill position into readable data for engineers. The electromagnetic system for detecting the distance between adjacent wells while drilling has a simple structure and convenient use, and provides an effective high and new technological measure for the detection and control of the distance between adjacent wells with complex structures.

This invention discloses a kind of transmit electricity circuit lightning strike online monitor system, it includes the current sensor, the lighting strike signal collection cell, the Russell loop, the accumulator links with the solar battery, the pressure converter separately, the pressure converter links with the lighting strike signal collection cell, data receive and GPRS transmission cell separately, the lighting strike signal collection cell links with the current sensor, data receive and GPRS transmission cell separately, the lighting strike signal collection cell A / D sends the gained thunderstorm current data to the data receive and GPRS transmission cell through the RS232 interface after collecting, the data receive and GPRS transmission cell sends the data gained by each thunderstorm current sensor to the internet by handset network, then to the FTP server, links with the user terminal by the server use network line. The structure of this invention is simple, the operation is automatic, the measurement is stable, the data is correct.

The invention relates to a micro-strapdown altitude heading reference system and a working method of the micro-strapdown altitude heading reference system. The system comprises a data acquisition module, a data processing resolving module and a peripheral communication interface module, wherein the data acquisition module integrates a three-axis gyroscope, a three-axis accelerometer, a three-axis magnetic resistance sensor and an SPI (Serial Peripheral Interface) into an integrated micro-electronic mechanical system sensor; the data processing resolving module adopts a 32-bit ARM (Advanced RISC Machine) microcontroller; and the peripheral communication interface module consists of a serial port level switching chip, an RS-232 interface, a CAN (Controller Area Network) transceiver and a CAN interface. The working method of the system comprises the working steps as follows: the system is electrified and initialized; the system is self-tested; a magnetic field is self-calibrated; initial alignment is conducted; measured attitudes are combined: resolving the information of attitude headings according to initial three-dimensional altitude and altitude resolving algorithm of the strapdown altitude heading reference system, and resolving the three-dimensional magnetic altitude angle according to the compensated magnetic field information and acceleration information, conducting the information merging algorithm and finally obtaining the stable altitude heading reference information; and the altitude heading reference information is sent to application equipment.

A dynamic dada sampling system and method is disclosed for in vivo small animal fluorescence molecular imaging and dual-modality molecular imaging. The system comprises a computer, a rotation stage for animal suspension driven by a motor, and a fluorescence excitation-detection apparatus. The fluorescence excitation-detection apparatus comprises a fluorescence excitation module and a fluorescence detection module. The CCD device of the fluorescence detection module is connected to a computer through an interface controller. The motor is connected to a computer through RS232 interface. The process of dynamic data acquisition is as follows: a fluorescent probe is injected into a small animal in order to target specific cells or tissues; a small animal is vertically hung on a rotation stage after anesthesia; the fluorescence imaging detection module acquires the emitting light continuously. The present invention can provide 360 degree imaging quickly, efficiently, and non-invasively.

The invention discloses a smart factory-based multi-function data acquisition device, acquisition system and method. The acquisition device comprises a microprocessor as well as a power supply module, a 485 transceiver chip, a 232 transceiver chip, an IO signal conversion circuit and two Ethernet protocol stack chips which are connected with the microprocessor, wherein the 485 transceiver chip and the 232 transceiver chip are respectively provided with an RS-485 Interface and an RS-232 interface which are used for connecting external devices and acquiring device data, the Ethernet protocol stack chips are provided with Ethernet interfaces and are used for connecting upper computers or other acquisition devices and transmitting data, and the IO signal conversion circuit is provided with an IO port and is used for connecting external devices, acquiring signals or controlling the devices. The data acquisition device can be configured to a master station mode or a slave station mode, and is flexible in interfacing, and therefore, the data acquisition device can read data of field devices and scattered acquisition points more economically, conveniently and efficiently and provide complete and accurate bottom data for the establishment of a smart factory.

The invention discloses a radio frequency switching unit which can be applied to automatic testing of WCDMA (Wideband Code Division Multiple Access) / GSM (Global System for Mobile Communication) terminal radio frequency. The radio frequency switching unit is composed of an input and output radio frequency port, radio-frequency coaxial switches, a radio-frequency coaxial attenuator, a power divider, a filter, a circulator, an isolator and a control circuit board, wherein all the devices are connected through semi-rigid radio-frequency coaxial cables. The control circuit board receives a control instruction sent by a PC (Personal Computer) machine through an RS232 (Recommend Standard 232) interface to control the opening / closing state of each switch in the internal part and simultaneously feed back a corresponding instruction to the PC machine for determining whether the closing state of the switches is correct or not. The construction and switching of each test link is realized by controlling the opening / closing state of each radio-frequency switch. The control instruction is clear and simple and is suitable for rapid secondary development to be applied to a corresponding automatic testing system. The radio frequency switching unit completely meets the demand for automatically testing the radio frequency of WCDMA / GSM terminal equipment and has the characteristics of rapid switching, high reliability, high stability, strong capacity of resisting disturbance, simple control method, high cost performance and the like.

The present invention discloses an all-fibre digital clinometer. It is composed of central processor, signal processor, counter, optical cable capstan winch, tension sensor, derrick and letting-in probe. Said invention also provides their connection mode, and also provides the working principle of said all-fiber digital clinometer and its operation method.

The invention relates to a multi-axial movement controller and its operation based on MPC5200.The movement controller comprises the outside SDRAM, outside FLASH, ERPROM and MPC5200 micro controller connected movement controller critical module, providing the basic environment for software running of the movement controller, going through serial communication interface configuration and top position specific serial communication protocol, connecting it with the top position machine through CAN, RS232, or USB interface for digital controlled data processing and instruction transmission, separating the controller with the top position machine, easy for distributional high performance control, through signal feedback channel and interface to make rectification, counting of the feedback signal of the motor coder, inputting to the MPC5200 micro controller for computation and sending out the result to the pulse driven motor driver through the PWM output interface.

The invention discloses embedded type teaching programming device and method for a welding robot. The device comprises a core board and an interface board, wherein the core board consists of a central processing unit, an ex-patulous memorizer and a clock power fail protection circuit; the interface board consists of an Ethernet interface, an RS-485 serial bus interface, an RS-232 interface, a USB interface, a liquid crystal display interface, a touch screen interface, a matrix keyboard interface, a JTAG interface, a power supply, a reset circuit and a safety control circuit; and a robot teaching module, a file editing module, a file management module, a user management module, a communication module and an auxiliary functional module are provided in the method. The invention has the advantages of high integrated level, strong antijamming capability, favorable human-machine interaction, convenient expansion and the like, can configure the two communication modes of an RS-485 bus and the Ethernet, and can meet the requirement for teaching programming of the welding robot.

The invention discloses a full-automatic boring machine. A space navigating and positioning instrument can communicate with an upper computer through a RS-232 interface, can transfer the feature extraction value of the boring machine and the navigating calculation value to the upper computer for data feature fusing, and can detect the absolute position coordinate of the boring machine in the inertial space in real time. The upper computer communicates with a lower computer through a CAN-BUS transmission interface, can transfer the control data to the lower computer by which the practicing position of the boring machine is controlled, and then the automatic finding function can be realized. The lower computer takes two motion controllers as the core being the control part. The motion controllers can conduct real-time control by an implementing mechanism on the boring machine and a cutting head according to the ground measurement data pre-stored in the upper computer, the local data provided by the space navigating and positioning instrument, the automatically generated gridding data of the mining plane of the current position of the boring machine, and the current position of the boring machine and the cutting head, and then the automatic mining of the automatic boring machine can be realized.

The invention discloses vehicle-mounted engineering machinery remote wireless data collection and monitoring system and a method. An analogue value, a switching value, a frequency value, a RS-232 interface, a CAN bus interface, a global positioning system (GPS) module, a power module, a real-time clock, an external expanding memory, a programming and debugging module and a general packet radio service (GPRS) communication module in a data collection device are respectively connected with a microcontroller; a control input module, a data communication module, a database storage processing module and a data display module are respectively connected with a data controller in a data monitoring device; and a GPRS communication module of the data collection device is connected with the data communication module of the data monitoring device in a wireless mode through transmission control protocol (TCP) data communication protocol. The system has rich and varied data collection channels, data collection storage, data collection transmission and the period can be remotely configured, local storage data of the data collection device can be remotely extracted, the collected data can be ensured not to lose when a wireless communication network is unawailable. The invention is suitable for vehicle-mounted engineering machinery remoter wireless data collection and monitoring.

The invention relates to a medical intelligent comprehensive control system of patient bedside information, which comprises a center control unit, a concentrator, a bedside multifunctional controller, a bedside peripheral device and a medical care personal wired / wireless reminding alarm unit, wherein the bedside multifunctional controller is connected with the bedside peripheral device through a network interface or RS232 interface for carrying out information acquisition and control on the bedside peripheral device, the bedside multifunctional controller is also connected with the center control unit through the concentrator for carrying out information transmission, the center control unit is also connected with the medical care personal wired / wireless reminding alarm unit through the network interface, and the medical care personal wired / wireless reminding alarm unit is also connected with an electronic display screen and a medical care personal handheld warless reminding terminal.The medical intelligent comprehensive control system has the advantages of being reasonable in design, furthest improving the accuracy and the timeliness of medical works, furthest assisting the medical care personal to work, increasing the working efficiency, lightening the workload of the medical care personal, increasing the usability of the system and reducing maintenance cost.

The invention relates to a double-motor synchronous servo drive device based on DSP. The device comprises a DSP system control module and a motor power drive module which are connected into a whole through a control interface; a digital signal processor of the DSP system control module is connected with a host computer or a control system through a CAN bus interface and an RS232 interface so as to realize real-time communication; the digital signal processor is synchronously connected with a motor code disc through a code disc interface so as to carry out closed-loop control on a motor; a switch power circuit of the motor power drive module supplies power for the motor power drive module through a power interface; an overcurrent protection circuit and a power drive circuit are communicated with the digital signal processor of the DSP system control module through a control interface; and the output of the power drive circuit is connected with the overcurrent protection circuit and is connected with a direct current motor. The double-motor synchronous servo drive device is used for a double-wheel differential type service robot and motor drive and control with synchronous requirement process in order that double motors synchronously drive and control, thereby effectively improving the capacity for synchronous coordinated movement and control precision of double motors.

The invention discloses a Portable serial data recorder for collecting and recording the data of the industry on-site device, the traffic line on-site device and the geographic exploration on-site device, which comprises the following parts: a RS232 serial line interface receiving modular and a RS422 serial line interface receiving modular for collecting the data of on-site device RS232 interface and RS422 interface, a Secure Digital saving card for saving the acquired data, a FAT16 / 32 file system for recording the data with the file form in the Secure Digital saving card, an USB communication modular for transferring the data to the computer by USB protocol, a power and a Li-ion battery modular for providing the needed electronic energy. The data recorder achieves the analysis and dealing of the on-site data off the site environment.

The invention provides a heterogeneous multi-core processor based on an ARM, a DSP and an FPGA and a task scheduling method, and relates to technologies of heterogeneous multi-core processors. The heterogeneous multi-core processor based on the ARM, the DSP and the FPGA aims to solve the problems that a conventional multi-core processor is poor in environmental adaptability, parallel processing capability and resource control capability. The heterogeneous multi-core processor based on the ARM, the DSP and the FPGA comprises the ARM, the DSP, the FPGA and peripheral interfaces, wherein data transmission is carried out among the ARM, the DSP and the FPGA, and the peripheral interfaces comprise the RS232 interface, the CAN bus interface, the SPI interface and the USB interface. An electricity supply module for software implementation is embedded in the FPGA and used for controlling electricity supply of the ARM, the DSP and the FPGA. According to the heterogeneous multi-core processor based on the ARM, the DSP and the FPGA and the task scheduling method, the different peripheral interfaces can be dynamically reconstructed in real time according to different interface requirements, and the resource utilization rate and the environmental adaptability are improved remarkably; software can be loaded into different processors, and parallel running of hardware is achieved truly. The heterogeneous multi-core processor based on the ARM, the DSP and the FPGA and the task scheduling method are suitable for an embedded application environment.

It's a kind of common serial communication interface commission apparatus. It comprises computer module (101), micro controller small system (102), the first communication module (105), the second communication module (106), the N communication module (107), programmed logical module (103), clock module (104); the computer module (101) finishes the man-machine interface, and communicates with micro controller small system (102) through RS232 interface, so to finish the issue of deployment command or send and receive data; the micro controller small system (102) responds the control and subsequence to each communication module; the programmed logical module (103) finishes the function that system chip selecting and address decoding; the clock module (104) can synchronize the clock in this apparatus and external clock. This invention makes the commission of common serial communication programmed and modularized.

The invention relates to an oil derrick stress data acquisition system based on a fiber Bragg grating sensor network, comprising an oil derrick stress strain field data test subsystem based on a distributed fiber Bragg grating sensor network, an oil derrick stress strain field data transmission and storage subsystem based on a serial port communication technology, and an oil well reliability evaluation subsystem based on OLE (Object Linkingand Embedding) technology and a Matlab calculation procedure. The three subsystems are connected with a fiber Bragg grating demodulator RS232 interface through an ADAM communication module by an industrial control computer; data in each channel in a fiber Bragg grating analyzer are read by adopting a Modbus communication protocol and an address distinguishing technology, and the field stress strain data arithmetic mean is filtered by the industrial control computer and then read into Access background database. The invention can rapidly and accurately evaluate the bearing capacity of land and ocean oil derricks and provide a great amount of full and accurate stress strain measurement data for the research and the evaluation of the safe and reliable operation of oil derricks.

The invention relates to a universal intelligent lightning protection monitoring module and a method thereof. The monitoring module comprises a single chip, a liquid crystal display module, an MAX485 communication chip, a temperature sensor, a current conditioning circuit, an inductance coil, a power circuit and a relay. Work states of a lightning protection device are monitored by the single chip ATMEGA16L through collecting electric level at an output end of a photoelectric coupler TLP521; through the current conditioning circuit, lightning stroke times and leakage current are acquired; through the DS8b20 temperature sensor, a temperature signal of a valve block is transmitted to an ATMEGA16L interrupt port 1; through a pulse signal output by an oscillator, the temperature is measured; a thermal trip signal, the lightning stroke times and the temperature of the valve block and leakage current data which are acquired by the single chip ATMEGA16L are stored in a 24C16 storage chip and then are displayed through the LCD1602 liquid crystal display module; the data are converted into an MODBUS protocol and then are uploaded through an RS485 interface or an RS232 interface; and information of the lightning prevention device is displayed through a self liquid crystal display screen, so that the in-place observation can be carried out conveniently and then gaps in the prior art are filled.

The invention discloses a method for quickly non-damage measuring the nitrogen content of tea tree, via multi-spectrum image technique, comprising that first using a 3CCD multi-spectrum image device to collect the multi-spectrum image information of correct sample, while the nitrogen content of sample (tea tree) is measured by international standard method. The obtained image is processed by silent algorism to improve image quality, and by background separation to obtain the image of object, then obtains the reflective index (character parameter) of object based on a standard reflective plate and a nominal reflective curvature. The invention uses multi-element correct algorism to build the quantitative relationship between the character parameter of tea-tree multi-spectrum image and tea-tree nitrogen content, to build a correct model, and then inputs the character parameter of multi-spectrum image of the sample into the correct model, to be tested and obtain the nitrogen content of the tea tree. The 3CCD multi-spectrum image device via a RS-232 interface is connected with an image receiving plate mounted on a computer. The invention can measure nitrogen content of tea tree quickly, accurately, non-damage and online.

A multi-function communication interface conversion device based on FPGA is disclosed, which includes Ethernet interface, CAN interface, USB interface, RS232 interface, four communication interface modules and a FPGA control module, and the received data by one interface can be transmitted to other interface by FPGA controlling the four interface modules to realize the data communication between four different interfaces. The invention has characteristics of high integration, perfect function, fast converting speed and agility application, and it provides easy and efficient solving scheme for four kinds of communication interface to communicate data.