278results about How to "Realize remote transmission" patented technology

This invention relates to a monitoring system based on the sensing network technology composed of a digital sensing node, a sensing gateway accumulating, interfusing and carrying out protocol conversion and a monitor service terminal including the function of carrying out information issuance, system control and statistic analysis, in which, the digital sensing node is connected with the sensing gateway via wire/wireless network, and the gateway is connected with the monitor service terminal by the WLAN. This invented units operate independently and can coordinate to each other, the entire monitor system can require for hardware exchange according to the change of production.

The invention discloses a LoRa-based remote pig house environment multi-parameter measurement and control system and a LoRa-based remote pig house environment multi-parameter measurement and control method thereof. The LoRa-based remote pig house environment multi-parameter measurement and control system comprises a LoRa terminal, an aggregation node and a pig house group master server, wherein the LoRa terminal comprises a data acquisition module, a power supply module, a controller module, an execution device and a camera module; the aggregation node comprises a LoRa module and a GPRS module; the pig house group master server comprises an on-site monitoring computer, a database module and a functional module; the data acquisition module, the power supply module and the execution device are connected with the controller module, the controller module is connected with the LoRa module via a wireless network, and the GPRS module is connected with the remote master server via an Ethernet.The functional module of the system is capable of displaying pig house on-site videos and environmental parameter values of corresponding points, so that a farmer can log into a website to check theon-site condition of a pig house remotely, thereby realizing intelligent farming. The LoRa-based remote pig house environment multi-parameter measurement and control system and the LoRa-based remote pig house environment multi-parameter measurement and control method combined with a LoRa wireless technology can realize the function of acquiring data of a plurality of terminals and simple networking, are suitable for environment monitoring of livestock breeding farms and have the advantages of remote data acquisition and low power consumption.

The system thereof comprises: a broadcast wideband video session unit, a video and audio transmission unit and a network management unit. The method thereof comprises: 1) the audio and video signals are compressed into the MPEG-2 data stream; 2) making video and audio collection, switch and remote switch in broadcast level; 3) implementing the broadcast level wideband video session; 4) making inverse multiplexing for the communication line; 5) with TCP/IP, the network management messages are transmitted through packet switch network or PSTN network; 6) using Visual C++ programming language to edit the application software used in video session, video and audio transmission and network management.

The invention relates to an intelligent multipurpose anti-theft door. It includes a front door panel (1), a rear door panel (17), and a door frame (38). It is additionally provided with an intelligent video monitoring device, an electronic auxiliary device and a living multifunctional cabinet; the intelligent video monitoring device includes an electronic equipment cabinet (9), a CCD supplementary Optical camera (2), pyroelectric infrared sensor (5), electronic remote control door lock (4), small display screen (12), intelligent video surveillance system host (19), signal power connection device (30), signal connection port (31), input/output junction box (32) and power converter (33); the electronic auxiliary device includes the electronic equipment cabinet (9), the left probe (3) of the external orientation of the radar test, and the right probe of the external orientation of the radar test ( 6), door anti-vandalism alarm (7), auxiliary electronic device host (8), voice prompter (11), delay relay (34), time and information display (18), temperature and humidity display (20), Emergency call to the police (21), self-control lighting lamp (10). The invention can automatically sense video recording, effectively deters the crime of entering the house, and is convenient for users to use.

The invention provides an impedance test device of a low-voltage electric power carrier channel, belonging to the power grid carrier communication field, which solves the problems of the existing method for measuring carrier channel impedance that the frequency characteristics of a high-frequency transformer and a resonant circuit affect the accuracy of the measuring value of a carrier, only the impedance modulus can be measured but the impedance phase can not be measured owing to limited carrier measuring frequency points. In the invention, a starting carrier control terminal of an embedded signal acquisition and processing system is connected with a signal control terminal of a DDS (direct digital synthesis) carrier signal source, testing input-output terminals of the embedded signal acquisition and processing system are connected with testing input-output terminals of a free coordinate axis vector test unit; the DDS carrier signal source, a high-frequency power amplifier and a primary side of a high-frequency transformer are sequentially connected; a load resistor R is connected in series between the high-frequency power amplifier and the primary side of the high-frequency transformer; a secondary side output terminal of the high-frequency transformer is connected with an input terminal of a coupling unit of a detuned circuit; and an output terminal of the coupling unit of the detuned circuit is connected with two tested low-voltage power lines.

The invention discloses a multi-channel optical fiber video switching system based on an FC-AV protocol. The video switching system comprises a video-to-optical-fiber module, an optical fiber switching module and an optical-fiber-to-video module, the video-to-optical-fiber module is connected with the optical fiber switching module through an optical fiber, the optical fiber switching module is connected with the optical-fiber-to-video module through an optical fiber, the optical-fiber-to-video module is connected with a display control terminal through a video cable; the system solves the problem of remote transmission of multi-channel multi-protocol high-speed video signals in the video display field, and greatly prolongs the high-speed video lossless transmission distance; and the system achieves a fast real-time switching function of the optical fiber video on different displays, the video switching time is better than 200 ms, and high bandwidth, high reliability, low delay and long-distance lossless transmission of the video are achieved. The system is of great significance for the next generation of multi-purpose multi-terminal display devices to realize local screen remote transmission and display and the switching and sharing of display information of multi-location display terminals of large-scale facilities.

The invention provides a correlated encryption transmission device and method of an underwater optical image. The device comprises an optical image reconstruction platform and an underwater optical detection platform, wherein the optical image reconstruction platform comprises a submarine sound signal receiving module and a correlated computation module; the underwater optical detection platform comprises a center control module, a structured light illumination module, an optical echo detection module and an acoustic transduction emission module. The method comprises the following steps: S1, emitting the detection light to irradiate an underwater target object to perform correlated imaging processing; receiving a light echo signal, modulating and then sending to an acoustic channel to be transmitted; S2, receiving an acoustic channel signal, demodulating and performing correlated computation processing to obtain an underwater target object image. The device provided by the invention not only can maintain the high resolution of the optical imaging, but also can increase the underwater transmission distance of the optical image, the communication rate is improved, and the remote transmission of the optical image is realized.

The invention discloses an online monitoring method for a tunnel internal pipeline. The method comprises the step that a pipeline strain monitoring portion, a pipeline and environment temperature monitoring portion, a support displacement monitoring portion, a pipe clamp pressure monitoring portion and a remote control portion are included; the pipeline strain monitoring portion is used for measuring axial strain of the pipeline; the pipeline and environment temperature monitoring portion is used for measuring running temperature of the pipeline and environment temperature inside a tunnel; the support displacement monitoring portion is used for measuring relative displacement between a support bottom plate and a tunnel ground foundation; and the pipe clamp pressure monitoring portion is used for monitoring pipe clamp pressure changes. The online monitoring method can achieve continuous monitoring of the tunnel internal pipeline and transmits safety conditions of the tunnel internal pipeline, the support and the pipe clamp to a remote analysis terminal in real time. The method facilitates engineering application, and the safety management level of a tunnel penetrating pipeline can be improved.

The invention provides an automatic energy supplied wireless transmission pyroelectric sensor and an automatic energy supplied wireless transmission fire alarm system, which aim at the current situation that all the existing fire alarms adopt external power sources or internal batteries to supply power, and develop the automatic energy supplied wireless transmission pyroelectric sensor which is based on a novel thermoelectric material, the electrical signal which is generated when a thermoelectric power generation module is triggered is used as the power supply and the detection signal, and accordingly, the troubles of pre-wiring and frequently battery changing are avoided. The whole fire alarm system does not have the external power supply, a sensor organizes a network by self to realize the remote signal transmission and receiving. An intelligent microprocessor at the receiving end of the fire alarm system finally determines the dangerous position through comprehensively analyzing and processing a plurality of signals, so the real-time monitoring of the multipoint fire is realized. After the automatic energy supplied wireless transmission fire alarm system is adopted, the constraint of the power supply can be eliminated, so a power-free fire alarm function is realized.

The invention relates to a linkage method for tracking a moving object based on a pixel differential ratio and a system thereof. The method comprises the steps of acquiring the pixel differential ratio of the moving object; acquiring the angular speed of a holder of an image acquiring device, and driving the holder to rotate and automatically track the moving object; and acquiring the pixel area of the moving object in the image, and automatically scaling the moving object according to a pixel area zoom lens. The system comprises an image acquiring device, for capturing and sending monitoring video streams; a network device, for transmitting monitoring video streams and control commands; and a processing device, used for controlling the linkage of the automatic scaling and automatic tracking of the image capturing device to the moving object. According to the method, the position information of the moving object or the system in the view field can be acquired without the help of additional auxiliary devices, and thereby the linkage of smooth and stable automatic scaling and automatic tracking of the system to the moving object can be achieved.

The invention discloses an electronic Bluetooth stethoscope. The electronic Bluetooth stethoscope comprises a sound amplification headset, a sound collection device, a microphone, a controller, Bluetooth transmission equipment and an internally-arranged power source. The microphone sends received sound signals to a microprocessor through a pre-amplification circuit, a filter circuit and a digital signal circuit in the controller for processing the signals. The microprocessor is connected with a volume adjustment switch and a Bluetooth switch. The volume adjustment switch is connected to the sound amplification headset so as to send the processed sound signals to the sound amplification headset and meet the requirement of normal auscultation. The Bluetooth switch is connected to the Bluetooth transmission equipment so as to send the collected sound signals to external terminal equipment. According to the electronic Bluetooth stethoscope, the shortcomings that an existing stethoscope is large in size and inconvenient to carry are overcome. By means of a mobile terminal popularized increasingly and matched analysis software, collection, preservation, visualization, real-time sharing, transmission and automatic analysis of the sound information of the human body surface can be achieved.

The invention relates to a penetration shearing device and method for foundation in-situ testing based on the optical fiber and optical grating. The device comprises a multifunctional probe, a rotarydrilling device, an optical fiber and optical grating wireless interrogator, a machine case shell and a base. The multifunctional probe comprises a Y-shaped plate head and a conical tip testing head,and the conical tip testing head is arranged at the bottom of the Y-shaped plate head; the rotary drilling device comprises a feeler lever, a chuck, a stepping motor, a pressing-in main unit, a mounting platform and a fixing device; the feeler lever penetrates through the whole rotary drilling device from bottom to top and penetrates through the chuck, the stepping motor, the mounting platform andthe pressing-in main unit in sequence, and the bottom of the feeler lever is connected with the multifunctional probe; the in-situ testing method comprises the steps of site clearing, place taking, penetration and shearing. The multifunctional probe is downward pressed into soil layers with different depths in sequence, and the steps are repeated; the multifunctional probe is pulled out, and testing is completed. The penetration shearing device has the advantages of high precision, good stability, good waterproofness, high electromagnetic interference resistance, multi-parameter monitoring, automatic real-time monitoring and the like.

The invention relates to a remote transmission method for electrocardiogram data. The method comprises the following steps that a webpage on a client side is operated, and user information is input; a data collecting control used for collecting data is loaded, and standard electrocardiosignals are received and displayed; the obtained electrocardiosignals and the stored user information form the electrocardiogram data, and a file is stored; the obtained electrocardiogram data file is uploaded to a server through the client side, the user information is searched for, and the electrocardiogram data file is stored in a file or a folder corresponding to the user information. The invention further relates to a device for achieving the method. The remote transmission method for the electrocardiogram data and the device have the advantages of being easy to operate and low in cost and being slightly limited in the using process.

The invention belongs to the technical field of water quality detection, and particularly relates to an online water quality detection method based on an unmanned aerial vehicle, which comprises the following steps: step 1, debugging equipment, a sampling module and a detection module are installed on the unmanned aerial vehicle, and normal communication between the unmanned aerial vehicle and a remote terminal is ensured; step 2, sampling: the unmanned aerial vehicle releases the sampling module, and the sampling module enters the water body of the target water area to collect samples of thewater body; step 3, detection: the sampling module releases the water body sample to the detection module, and the detection module detects the water body sample; and step 4, the steps 2 and 3 are repeated to complete water quality detection of all target water areas. According to the unmanned aerial vehicle water quality detection method provided by the invention, fixed-point rapid sampling of alarge-area water area can be realized; meanwhile, an airborne detection module is carried, so that remote detection of water quality parameters and remote transmission of data are realized, the waterquality detection efficiency of a large-area water area is improved, a water area water quality distribution diagram can be established, and more intuitive and accurate detection data is provided.

A remote control system of underground water resource comprises transducer; up-level computer formed by up-level computer management unit and GSM communication module A connected through special interface; down-level computer formed by GSM communication module B enabling to carry out communication with GSM communication module A on up-level computer, central processor CPU2 connected to serial interface of GSM communication module B and central processor CPU1 connected to transducer.

The invention provides a vehicle fault diagnosis method based on the Internet of Things. The method can achieve the quick obtaining of the original fault information of a vehicle in each time period.The information acquisition unit acquires CAN data; the CAN data is stored in a first memory; a folder is estabished, the first protocol diagnosis module analyzes the CAN data and obtains fault codes,the information transmission unit sends the fault codes to the cloud platform; a second protocol analysis module in the cloud platform analyzes the fault codes, obtains g fault data, stores the faultdata in a second memory, the fault diagnosis module diagnoses fault data and displays the fault data through the display module; the short message management platform sends a short message to operation and maintenance personnel, the cloud platform issues an instruction for obtaining CAN data to the vehicle-mounted terminal, the vehicle-mounted terminal uploads a required folder to the cloud platform, and the operation and maintenance personnel downloads the CAN data in a corresponding time period through the cloud platform and analyzes fault data into data during vehicle operation.

The invention relates to a leak detector of a capsule for a transformer oil conservator. The leak detector is mounted inside the capsule for the transformer oil conservator in an overall sealed mode at the lowermost point of the capsule and comprises a liquid collection barrel, a floater and a reed pipe switch, a hollow stand column is mounted inside the liquid collection barrel, the reed pipe switch is fixedly mounted inside a cavity of the hollow stand column, the floater is movably arranged outside the hollow column in a sleeved mode, the floater is provided with a magnet, and a connection terminal of the reed pipe switch is connected with a far-end control center through a circuit board. The leak detector has the functions of alarming capsule fractures, capsule leakage or waterlogging, can monitor a transformer for a long time, can detect potential safety hazard in time, avoid accidental trips of transformer and outages, greatly reduces economic loss, and brings convenience to automatization intelligent control.

The invention discloses a generator fault detector in the technical field of fault detection. The generator fault detector comprises a SCM. The input end of the SCM is electrically connected with theinput end of a data comparison module and the input end of a wireless transceiver module. The output end of the wireless communication module is electrically connected the input end of a remote monitoring terminal. The output end of a relay is electrically connected to the input end of a power supply line. The output end of the power supply line is electrically connected to the input end of a generator. The generator fault detector can simultaneously detect the temperature information, the rotation speed information, the voltage information, the current information and the audio information ofthe power generator, processes and compares the detected information, can accurately determine the fault type and the fault information of the generator, realizes remote transmission of the fault information, can easily determine a fault position, achieves remote operation of the generator, facilitates the control and maintenance of the generator and improves the operation safety of the generator.

The invention relates to the field of electrons, particularly relating to a projection device, namely a miniature projector system connected by a wireless signal. The miniature projector system comprises a projector system consisting of a projection system and a wireless signal receiving module, wherein the wireless signal receiving module is connected with a signal input end of the projection system, and is also connected with an Internet terminal in a wireless mode; the Internet terminal is accessed to the Internet; and after the wireless signal receiving module receives a video wireless signal transmitted by the Internet terminal, the video wireless signal is transmitted to the signal input end of the projection system; and a video to be projected in the Internet terminal is projected on to an external receiving screen by the projection system. By adopting the technical scheme, a wireless communication technology is adopted to connect the projector with the Internet terminal in the wireless mode, which omits complicated wiring and cabling compared with a traditional connection mode in which signal lines are used, and the purposes of remote transmission and control are achieved.

The invention relates to a ferromagnetic pipeline stress detection and monitoring method. The method includes the steps of firstly, collecting pipeline basic information, and primarily judging parts where stress concentration possibly occurs; secondly, determining a pipeline route and buried depth, to be more specific, visually measuring the pipeline route, cleaning sundries, using a pipe locatorto detect the route, setting positioning piles, and measuring pipeline buried depth at the same time; thirdly, using a noncontact scanning magnetometer to collect magnetic signals along the calibratedroute; fourthly, analyzing and processing data, to be more specific, determining the axial position and circumferential position of the stress concentration parts of the pipeline; fifthly, detectingand monitoring pipeline stress, to be more specific, circumferentially adhering resistance strain gauges to the surfaces of the stress concentration points of the pipeline, and determining the stressvalue of the stress concentration points according to stress-strain relation; using the general packet radio service technology to transmit data to achieve remote data transmission and control. By themethod, the defects that existing ferromagnetic pipeline stress detection cannot accurately position the pipeline stress concentration points and determine the stress value of the stress concentration points are overcome, and omission factor is lowered greatly.

The invention provides a pile-forming process dynamic testing device for an underwater sand compaction pile. The testing device is connected with a pile pipe and comprises a fiber bragg grating soil pressure sensor, multiple sets of fiber bragg grating strain meters and two sets of acceleration sensors, wherein the fiber bragg grating soil pressure sensor and the multiple sets of fiber bragg grating strain meters are connected with a dynamic fiber bragg grating demodulation instrument, the two sets of acceleration sensors are connected with a vibration and dynamic signal acquisition analyzer, cable protection structures are arranged outside the cable of the fiber bragg grating soil pressure sensor, the cables of the fiber bragg grating strain meters and the cables of the acceleration sensors, and the fiber bragg grating soil pressure sensor is fixedly arranged on an end plate of the pile pipe; the fiber bragg grating strain meters are distributed along the pile pipe from top to bottom and fixedly arranged on the outer side wall of the pile pipe; the two sets of acceleration sensors are arranged on the outer side faces, close to the pile top and the pile bottom, of the pile pipe respectively. The pile-forming process dynamic testing device for the underwater sand compaction pile is not prone to being influenced and limited by environmental conditions and structure conditions, can guarantee test precision and is more suitable for pile-forming process dynamic testing for the underwater sand compaction pile.

The invention discloses an equipment fault processing method and device, a storage medium and Internet of Things equipment, and the method comprises the steps: generating fault information corresponding to an equipment fault when the equipment fault is detected, wherein the fault information comprises log information and/or debugging information; when the network function of the Internet of Things equipment is normal, uploading the fault information to a cloud server, so that the cloud server forwards the fault information to other terminals; and when the network function of the Internet of Things equipment is abnormal, initializing the network function, and uploading the fault information to the cloud server, so that the cloud server forwards the fault information to other terminals. According to the invention, remote transmission of the Internet of Things equipment fault information can be realized, and the equipment fault processing efficiency is improved.

The invention relates to an audio and video mixing transmission switcher which is used for transmitting audio and video signals of a plurality of signal sources to an audio device and a video device. The audio and video mixing transmission switcher is characterized by comprising at least one transmitter and a receiver, each transmitter is connected with each signal source and used for receiving the audio and video signals of the signal sources, the transmitters are mutually connected to transmit the audio and video signals of the signal sources, HDMI (high definition multimedia interface) signals are outputted after VGA (video graphics array) signals are converted into the HDMI signals, an input end of the receiver is connected with one transmitter, and an output end of the receiver is respectively connected with the audio device and the video device. By the aid of the technical scheme, the audio and video mixing transmission switcher cannot be limited by the number of speechmakers and can effectively solve the problems of line loss and the like due to repeated retransmission and long-distance network cable transmission, the audio and video signals are remotely transmitted, so that the audio device and the video device can play to meet the requirements of a video conference, a system is simple, and operation is facilitated.

The present invention discloses a pipeline monitoring early warning system based on a distributed coaxial-cable electric grid strain sensor, and relates to the technical field of stress and strain monitoring and pipeline deformation monitoring systems. The system comprises a distributed coaxial-cable electric grid strain sensor, a distributed interrogator, a monitoring system substation, a cloud server and a remote monitoring center workstation. The distributed interrogator is in data connection with the distributed coaxial-cable electric grid strain sensor, the monitoring system substation isin data connection with the distributed interrogator, the monitoring system substation is configured to transmit data to the cloud server through a GPRS transmission module, and the remote monitoringcenter workstation is in data connection with the cloud server through an Internet. The pipeline monitoring early warning system achieves wide-range, full-coverage and low-cost real-time pipeline monitoring early warning in its true sense so as to avoid generation of large-scale damaging and secondary disaster caused by geological disaster and improve the practicability.