42results about How to "Strong signal penetration" patented technology

The invention discloses a positioning system and method in a ship compartment. The positioning method comprises the following steps: transmitting information including ID, a transmitting signal intensity value and the like through broadcast frames by positioning beacons arranged in the compartment; enabling people carrying positioning tags to enter the compartment, scanning and receiving ID of themultiple positioning beacons and a receiving signal intensity value RSSI by Bluetooth modules of the positioning tags, and then sending out the information and positioning tag ID wirelessly through aLoRa module; and receiving the information sent out by the positioning tags and then forwarding the information to a positioning server by a communication base station, calculating the value of the distance between each positioning tag and the corresponding positioning beacon by the receiving signal intensity value and the transmitting signal intensity value, and then acquiring the position information of the positioning tags in the compartment through a positioning algorithm. The positioning system can stably run in a severe environment which is high in dust concentration, obvious in vibration and large in noise and is filled with paint volatiles, the positioning precision can be high, and positioning requirements in a construction environment can be met.

The invention discloses a low power consumption wide area network technology and Mesh fusion-based ubiquitous access method and an application system. 4G network signals in an outdoor area or an indoor area where terminal devices are deployed densely are poor. To solve the above problem, the invention provides an access method based on both the low power consumption wide area network technology and the Mesh technology. Multiple lower power consumption wide area network base stations make up a wireless Mesh network, and each low power consumption wide area network base station serves as a Mesh node, so as to realize a route forwarding function. The low power consumption wide area network base station is equipped with a 4G module, so that the 4G network can report the data to a business server through route forwarding as long as any base station is connected with the internet. The lower power consumption wide area network technology and the stability and reliability of the Mesh network are fully used, terminal access and Mesh network backhaul are realized through the low power consumption wide area network technology, and the data can be transmitted and reported smoothly even if the 4G signal of a base station is poor.

The invention discloses a wheeled soccer robot. The wheeled soccer robot comprises a chassis; a lower end face of a polygonal frame structure; omnidirectional wheel mechanisms which are connected to the lower end surface of the chassis in an annular array and are used for driving the chassis to move; a translation positioning mechanism which is fixedly arranged in the middle of the upper end faceof the chassis and used for recording coordinates of the chassis driven by the omnidirectional wheel mechanisms to move; a soccer ball kicking mechanism which is arranged on one side of the upper endsurface of the chassis and used for driving a soccer ball to move; and a soccer ball collecting and releasing mechanism which is arranged on the other side of the upper end surface of the chassis andis used for receiving and releasing the soccer ball. The wheeled soccer robot can automatically move, integrates ball shooting and ball receiving, and can not only shoot soccer balls, but also shoot various balls with different sizes.

The invention provides a positioning and orientation method based on double magnetic beacons. Two magnetic beacons which are mutually perpendicular and are prepared by two sets of solenoids with known coil diameters, winding numbers, and electric currents are used, two magnetic beacons are installed on a known position as a signal source, a magnetometer is installed on a positioned target, and the magnetometer is used for real time measurement of data; output frequencies of the two magnetic beacons are set, in the magnetic beacon 1, x axis frequency is f1 and y axis frequency is f2, in the magnetic beacon 2, x axis frequency is f3 and y axis frequency is f4, and the two magnetic beacons are in initial positions of a whole coordinate system; n data are extracted from the magnetometer installed on target to be positioned by using a sample frequency which is more than twice the maximum frequency of the magnetic beacons; Fourier decomposition is carried out for acquired data, two groups of signals which are corresponding to frequencies of the two magnetic beacons are obtained respectively, the target is determined according to H1, H2, H3 and H4, and direction vectors of a position of the garget are determined: the position of the target is determined according to the two direction vectors, and the two direction vectors can be used for determining two straight lines.

The invention belongs to the field of emergency rescue and rescue, and relates to intelligent distress signal transmission, in particular to an intelligent rescue method and system based on NFC near-field communication, LoRa low-consumption long-range communication technology and unmanned aerial vehicle technology. According to the method and the system, the LoRa communication equipment carried onthe unmanned aerial vehicle platform is used for collecting the help seeking information sent by the LoRa node under the extreme environment condition that a conventional communication environment islacked or damaged, so that the state of a rescue target is determined, and a communication channel between the rescue target and the target is constructed. The mobile terminal in the system serves asa user interface terminal, activates the lifesaving system through NFC communication and sends out help seeking information in time. The LoRa node communication module has the advantages of being lowin power consumption, high in penetrating power, long in remote communication distance and the like, is suitable for information communication under the conditions of natural disasters and severe living environments, and can dynamically form a communication network with an LoRa gateway carried on an unmanned aerial vehicle platform to transmit rescue target characters, positions and other information.

The present invention discloses an integrated circuit device, a display panel and a display device. The integrated circuit device comprises a first substrate and a plurality of touch signals and a plurality of display signal terminals arranged on the first substrate, the touch signals and the display signal terminals are configured to perform corresponding binding connection with a plurality of connection signals arranged by a non-display area of the display substrate, and the integrated circuit device also comprises an supersonic wave fingerprint identification device arranged on the first substrate. The integrated circuit device is applied to the display device which has a fingerprint identification function and has front panel which does not need to reserve an opening like a fingerprint identification module in the prior art, and therefore the screen rate of the display device can be improved; and moreover, because the penetrability of signals of the supersonic wave fingerprint identification device is high, and therefore, a protective layer with harshly required thickness is not needed, and the manufacturing cost of the display device is greatly reduced.

The invention discloses an audio-video wireless transmission system and a transmission method, wherein, the system comprises a wireless audio-video central station and a wireless audio-video mobile terminal; when the central station and the mobile terminal carry out audio-video wireless transmission by adopting a WLAN transmission channel, the wireless audio-video central station detects the quality of a signal transmitted from the wireless audio-video mobile terminal in real time; when the signal quality is reduced to an early warning value, the two adopt a multicarrier transmission channel, a central station image is synchronously switched to the multicarrier transmission channel; and the WLAN transmission channel keeps monitoring, when the signal quality of the WLAN transmission channel is increased to a preset value, an interface of the WLAN transmission channel is restored, and the multicarrier transmission channel is cut off. The invention organically combines the WLAN and multicarrier proposal together, realizes the full utilization under different source conditions, and reliably realizes the real-time transmission of audio-video and data under the complex environment.

The invention provides a deep accurate mining ground and underground personnel positioning and navigation system combined with the Internet of Things. The system is composed of a navigation equipmentterminal, a location service base station, a ground monitoring command system, and underground environment monitoring equipment; and the navigation equipment terminal is provided with a visual displayscreen, a micro-control unit, a micro inertial navigation module, a tag identification and positioning module, a GPS module, a multi-sensor detection module, an electronic map navigation module, an early warning module, a communication module and a power supply. According to the deep accurate mining ground and underground personnel positioning and navigation system combined with the Internet of Things provided by the invention, the positioning and navigation of personnel and vehicles in the deep well where a GPS signal is difficult to reach is realized, the location distribution of the underground personnel and vehicles is grasped through a ground monitoring system, so that monitoring and command of the personnel and vehicles are realized; the underground environment is sensed through thecommunication module and the multi-sensor environment monitoring module, so that the occurrence of dangers is prevented; when the dangers occur, people can timely escape and rescue through a communication and positioning and navigation module, thus the life and property safety of the underground personnel and mining area personnel can be guaranteed to the maximum degree.

The invention relates to a Beidou GPS dual-mode positioning method, positioning terminal and positioning system. The method comprises steps of receiving satellite positioning data information, and according to the satellite positioning data information, reading a second pseudo range between the Beidou GPS dual-mode positioning terminal and a positioning satellite; receiving a difference factor broadcast by a base station and correcting the second pseudo range according to the difference factor so as to obtain a second real range between the Beidou GPS dual-mode positioning terminal and the positioning satellite; and according to the second real range and the satellite positioning data information, calculating the precise coordinate of the Beidou GPS dual-mode positioning terminal, thereby finishing positioning. According to the invention, according to the difference between a measurement position and an actual position between the base station and the positioning satellite, the difference factor is generated, and according to the difference factor, the measurement position of the Beidou GPS dual-mode positioning terminal is acquired and corrected, so the precise position of the Beidou GPS dual-mode positioning terminal is obtained, and the high precision positioning of the position is achieved.

The invention belongs to the field of safety protection alarm, and relates to an emergency alarm system and an implementation method, in particular to a wearable emergency alarm system and method based on NFC near-field communication and LoRa low-consumption long-range communication technologies. The invention provides an intelligent alarm system which activates a wearable alarm device through a mobile phone NFC signal and sends an alarm signal to a monitoring background in a LoRa communication mode under the condition that a conventional communication environment is lacked or an emergency situation occurs. The wearable alarm device combining the NFC communication function and the LoRa node function has the advantages of low power consumption, long time efficiency, strong penetrating power, long communication distance, high response speed, strong concealment and the like, is suitable for rapid and continuous alarm under the conditions of natural disasters, safety crisis, severe livingenvironment and the like, and can be linked with a LoRa gateway carried on an unmanned aerial vehicle platform to meet the system requirements of emergency alarm, rapid positioning and rescue.

The invention belongs to the field of firefighting rescue and relates to an intelligent firefighting fire scene temperature measurement and positioning system, in particular to an intelligent firefighting fire scene temperature measurement and positioning system and method based on NFC near field communication and LoRa low-consumption long-range communication technology. The method and system fordynamically and rapidly deploying a large number of fire scene temperature sensing devices and collecting fire scene temperature distribution and physical position information through LoRa communication equipment under the condition of a fire scene environment are achieved. The system is composed of a temperature measurement system node device integrated with a temperature sensor and a LoRa communication node and a gateway device integrated with a LoRa gateway and background service control. The unmanned aerial vehicle can be adopted to dynamically release and deploy the temperature sensing nodes and the communication gateway device, is suitable for being applied to building fire scenes or other natural disasters and severe living environments, can be integrated with a human-computer interface based on an NFC communication protocol, and can quickly and conveniently carry out personnel position positioning and text information transmission.

The invention relates to an NB-IoT technology-based low-energy consumption smoke detection and alarming device, which comprises a CPU module, a communication module and a battery detection module, wherein the communication module and the battery detection module are electrically connected with the CPU module respectively; and the CPU module comprises an integrated circuit U2 in a model of STM8L151K4T6. The device is used for detecting the smoke concentration in air, a local alarm is given once exceeding a safety threshold, and the alarm information is instantly pushed to a mobile intelligent terminal; and besides, a water valve, a door and window and an exhaust system can be opened in a linked mode for processing, precious time is won for the user, and risks are reduced as far as possible.

The invention discloses a radio frequency tag capable of measuring temperature and an illuminant lamp with the same. The radio frequency tag capable of measuring temperature comprises an acoustic surface wave radio frequency tag chip and a tag antenna. The acoustic surface wave radio frequency tag chip comprises a piezoelectric substrate, an interdigital transducer and a reflecting grate. The reflecting grate comprises a temperature measuring reflecting grate body and a coding reflecting grate body. The interdigital transducer and the reflecting grate are located on the piezoelectric substrate. The illuminant lamp can be a runway side boundary lamp or a taxiway edge lamp or a runway center line lamp. By the adoption of the radio frequency tag, reliable reading of the radio frequency tag in an inner environment of the illuminant lamp is guaranteed, a special radio frequency tag is integrated with the inner portion of the illuminant lamp, the technology of the internet of things can be actually applied to spot inspection of the illuminant lamp, and efficiency and management efficiency are improved.

The invention discloses a tire pressure monitoring device with a wireless transceiver. The tire pressure monitoring device comprises a tire pressure monitoring sensor and a receiving display which both comprise wireless transceivers, wherein each wireless transceiver comprises a wireless transceiving chip U1 and a modulation carrier wave circuit, wherein the chip U1 is M1CRF112; the modulation carrier wave circuit comprises a crystal oscillator Y1, a resistor R8, a capacitor C3, a capacitor C17 and a capacitor C18; a pin XTLIN of the chip U1 is connected with the resistor R8 and the capacitor C3, and the other end of the capacitor C3 is in ground connection; the other end of the resistor R8 is connected with one end of the capacitor C17 and one end of the crystal oscillator Y1, and the other end of the capacitor C17 is in ground connection; the other end of the crystal oscillator Y1 is connected with the capacitor C18 and a pin XTLOUT of the chip U1. The tire pressure monitoring device with the wireless transceiver is high in signal penetrating power, is good in anti-interference effect, and is high in stability.

The invention relates to a cable trench inspection robot and a control system thereof. The robot comprises at least three joint mechanisms. Each joint mechanism is provided with at least two driving motors, a traveling mechanism is arranged at the bottom end of each joint mechanism, and the three joint mechanisms include the first joint mechanism, the second joint mechanism and the third joint mechanism. The first joint mechanism is provided with a cradle head, the second joint mechanism is provided with a temperature detection device, and the third joint mechanism is provided with a gas detection device. The cable trench inspection robot is a three-joint series crawler-type structure robot composed of three joint mechanisms, is small in size, flexible in movement and high in load capacity. The robot is suitable for monitoring the state of a narrow cable trench with a complex ambient environment. According to the control system of the cable trench inspection robot, a first controller and a second controller are adopted to form dual systems so as to control operation of the cable trench inspection robot, and the operation reliability and monitoring efficiency of the robot are improved.

The invention discloses an underground worker tracking and positioning system device which comprises a software system and a hardware system device. The software system is burned in the hardware system device and comprises application software and embedded software which are connected. The hardware system device comprises an underground substation device, a transmitting antenna, a receiving antenna, a data interface, a fingerprint instrument, an attendance machine and an identification card. The underground substation device, the transmitting antenna, the receiving antenna, the data interface, the fingerprint instrument, the attendance machine and the identification card are connected. Due to the fact that the software system and the hardware system device of a monitoring system device are improved, the tracking and positioning device has the advantages of being long in transmission distance, free of blind zones of identification, high in signal penetrating power, free of electromagnetic pollution to human body and high in capacity for being adaptive to environment, and remote monitoring of network connection and a fault self diagnosis are convenient.

A wireless temperature acquisition device based on a LoRa technology is used for real-time positioning and temperature and humidity monitoring of cold-chain logistics transportation and mainly comprises a GPS positioning module, an LBS positioning module, a temperature and humidity sensor module, a main control unit, a LoRa communication module, a lithium battery power supply module, a voltage adjusting module, a low-power-consumption management module, a dismounting alarm unit, a storage unit and the like. The LoRa technology has the advantages of being high in signal penetrability, long in transmission distance, low in power consumption, multiple in node, low in cost and flexible in network arrangement mode, a GPS and LBS dual positioning mode is adopted, a local storage unit is arranged, and the problems that in the prior art, independent monitoring of multiple temperature zones cannot be achieved, the signal penetrability is weak, the transmission distance is short, and the problems of no blind spot data supplementary transmission, incapability of storing data when a network or a server fails, non-adjustable data reporting frequency, single positioning mode, incapability of positioning when no GPS signal exists or the GPS signal is weak, and low transmitting intensity and receiving sensitivity are solved.

The invention belongs to the field of environment monitoring and alarming, relates to an environment monitoring and alarming electronic system, and particularly relates to an environment monitoring and alarming method and system supporting multiple communication protocols. According to the invention, a system capable of sending environmental monitoring data through various communication protocolsis realized, and especially under the condition that a conventional communication environment is missing or damaged, real-time data can be acquired through a mobile terminal platform supporting NFC, Bluetooth or WIFI communication, such as a smart phone and a tablet personal computer, sensing information can be collected and alarm information can be sent through narrow-band LoRaWAN communication equipment which is deployed on an unmanned aerial vehicle platform remotely or dynamically. According to the system, the minimum UART serial digital communication interfaces, I2C digital communicationinterfaces and SPI digital communication interfaces are adopted, various atmospheric environment test sensors and digital communication modules are integrated to the maximum extent, various atmospheric parameters are effectively monitored, and the obtained real-time data is sent in various communication modes.