296results about How to "Realize the alarm function" patented technology

The invention belong to the technical fields of low-voltage power distribution and power electronics, and relates to a battery charging and replacing station for electric vehicles. In the battery charging and replacing station for the electric vehicles, battery replacement and separated-box charging take the priority and entire vehicle charging takes the secondary. The battery charging and replacing station can satisfy the requirement of replenishing electric energy for large-size commercial vehicles and small-size passenger vehicles. In addition, a warehousing type automatic battery replacing system is adopted so that the functions of automatic battery replacement and automatic warehousing in/out management are achieved, and a separated-box charging system can be used for charging the batteries.

The invention provides an online and intelligent optical cable monitoring and fault positioning system based on a GIS platform. The online and intelligent optical cable monitoring and fault positioning system comprises a monitoring unit and a positioning unit, wherein the monitoring unit comprises an intelligent diagnosis mainframe, a diagnosis unit and a PC terminal display unit, the intelligent diagnosis mainframe comprises a central processing unit and an optical time domain reflectometer module, an optical path switching module and an optical power monitoring module connected with the central processing unit, the diagnosis unit comprises a power module and a light source device, an optical coupling module and an optical protection module connected with the power module, and the positioning unit comprises a fault locator arranged in an optical cable. Information is processed by calling optical cable information in time, and meanwhile the system can flexibly utilize a geographic information system (GIS) technology, adopts rack-type integration, and is high in integration level, good in stability and high in expandability. When breakdown occurs, the system can clearly display fault GPS points and fault types, maintainers can perform accurate positioning through a GIS map, and accordingly the maintenance efficiency is improved.

The invention relates to a monitoring system for an electric automobile battery charging and replacing station. The system comprises a superior system, an electricity distribution monitoring system, a charging monitoring system, a battery replacement monitoring system and a video monitoring system; a monitoring work station, a server, a printer, an electricity distribution system communication management machine and an electricity utilization information collecting terminal are connected with a network exchanger of the charging monitoring system through a local industrial Ethernet; a network exchanger of the electricity distribution monitoring system is connected with a communication gateway of the superior system through the local industrial Ethernet; an intelligent communication terminal of the battery replacement monitoring system is connected with the network exchanger of the charging monitoring system through the local industrial Ethernet; and a video server of the video monitoring system is connected with the communication gateway of the superior system through the local industrial Ethernet. The system can meet the requirement of electric energy complement of large commercial vehicles and small passenger vehicles and can realize omnibearing, effective and real-time monitoring on the battery charging and replacing of electric automobiles.

The invention relates to a human face identifying system and a method applied to a security robot. In response to the problems that the fixed gate access control type human-face identifying system has a single environment and that its human face characteristics description ability is insufficient, the invention provides this moving human face identifying system based on a mobile robot and deep learning. With regard to the equipment, the system realizes the human face identifying under the conditions that either a person or the robot moves or both the person and the robot moves at the same time. In addition, through the use of an infrared camera, human face identifying in complete darkness at night is realized. With regard to the algorithm, the system serves as a complete system from the human face detection and characteristic point detection to the human face correcting and human face identifying. Through the decrease in the number of the characteristic points in the characteristic point detection module and through the utilization of a deep convolution neural network model by the human face identifying module, it is possible to realize the rapid identifying of the human face at high accuracy.

The invention discloses a wireless data communication management system for an electric bicycle. The wireless data communication management system comprises an intelligent electric bicycle management module which comprises a data collecting unit and a control unit. The data collecting unit is used for collecting data of single battery cells of a battery pack and transmitting the data to the controller. The controller transmits the data to a mobile device terminal through a wireless data transmitting module. A data analyzing unit is arranged in the mobile device terminal, analyzes the data according to the transmitted data, and carries out real-time data early warning according to setting of speed, endurance, battery capacities, low-voltage early warning, temperature early warning, current early warning and charging early warning of the whole electric bicycle. The mobile device terminal carries out data storage with a backstage cloud server through a wireless network, when batteries are abnormal, early warning is achieved through the mobile device terminal, a user is reminded that the batteries are abnormal, and meanwhile early warning information is transmitted to bicycle factory after-sale terminal equipment.

The invention relates to an intelligent valve positioner. A copper waterproof connector and a silencer are arranged outside a box body, while a transducing plate, a connecting plate, a cartridge valve and an insert block are arranged in the box body; a plug block is arranged below the connecting plate, and a main board is arranged above the connecting plate; a protection cover is arranged above the main board; a valve plate is arranged on one side of the cartridge valve and has a valve port; and a linear displacement sensor is arranged on a pneumatic actuating mechanism out of the box body and connected with the copper waterproof connector by a lead. The intelligent valve positioner has a simple structure, rational design, low energy consumption and high control precision, can conduct functions of valve position alarm, fault alarm and self-diagnosis, can be switched manually and automatically, has 'gas, power supply and signal interruption' protection functions, works stably in severe spot environments and has a wide application range.

The invention discloses an efficient method for frequency conversion and energy saving of an oil pumping unit. The efficient method comprises the following steps that after a device is started, a system is initialized and the balance degree of the oil pumping unit is adjusted; whether the oil pumping unit is in a power frequency operation mode or in a frequency conversion operation mode is judged; in the frequency conversion operation mode, whether a frequency converter breaks down or not is judged, and if not, a stroke frequency adjustment mode of the oil pumping unit is judged; in an automatic stroke frequency adjusting mode, indicator diagram data are collected and whether the oil pumping unit breaks down or not is judged according to an indicator diagram; if the oil pumping unit does not break down, whether the oil pumping unit needs interval pumping control or not is judged; if the oil pumping unit does not need the interval pumping control, the stroke frequency of the oil pumping unit is automatically adjusted. The method for frequency conversion and energy saving of the oil pumping unit has the advantages that the adjustment of the balance degree, the optimal operation stroke frequency and the optimal interval pumping mode is conducted according to the working conditions of the oil pumping unit, the states of high efficiency and low energy consumption of the oil pumping unit can be kept, and the problems of high energy consumption and low efficiency in the operation process of the oil pumping unit can be solved.

The invention provides a system and method for detecting overheight and overwidth of a vehicle based on laser calibration. The method includes the following steps: using the projection angles of a light band type laser emitter and a light beam type laser emitter in a system and the geometrical position relation of the light band type laser emitter and the light beam type laser emitter with the photographing direction of an image acquisition apparatus, a detection control processing apparatus identifying by imaging processing the horizontal displacement conditions and the length condition of a laser line segment from video and image data constituted by a plane laser band projecting to a vehicle which passes by a horizontal road lane, Then using a pre-calibrated vehicle height and width measuring function model to measure the value of the maximum height and the value of the maximum width of the vehicle, thus realizing the detection of the overheight and overwidth of the vehicle. The system has simple structure, strong practicality, and high measuring precision. The system can reach a detection rate at milliiseonds. The system can long time operate and implement automatic online continuous detection and overheight/overwidth alert to multiple vehicles with no pulling over is required, so that the system can avoid traffic congestion and has excellent marketing potential.

The present invention discloses a method and a system that the alarming is realized on a STB. The method includes the steps that the STB generates alarm information and sends the alarm information to an alarm server according to received alarm key information and memorized alarm configuration information; the alarm server gives an alarm response according to the received alarm information. The system includes the STB, which is used for receiving the alarm key information, and generating the alarm information and sending the alarm information to the alarm server according to the alarm key information and the memorized alarm configuration information; and the alarm server, which is used for receiving the alarm information and giving the alarm response. The present invention also discloses an alarm STB of a Network TV.

The invention discloses a multi-sensor integration based automotive transport monitoring system which comprises a background monitoring server and at least one vehicular multi-sensor monitoring terminal. The background monitoring server and the multi-sensor monitoring terminals are connected through a wireless network and TCP (transmission control protocol)/IP (internet protocol), the background monitoring server comprises an application program server, a WEB server, a database server, each multi-sensor monitoring terminal comprises a MCU (microprogrammed control unit), a gas monitoring function module, a safety monitoring function module, a transport condition monitoring function module and a wireless communication function module, and the gas monitoring function module, the safety monitoring function module, the transport condition monitoring function module and the wireless communication function module are electrically connected with the MUC respectively. By adopting the multi-sensor integration based automotive transport monitoring system, monitoring can be realized by starting different sensors according to different automotive conditions, so that the monitoring problem of unsafe factors such as drunk driving, fatigue driving and resting in automobiles with doors closed in cold weather of long-distance transport drivers is solved.

The invention discloses a method and device for demodulating pilot-tone modulation signals. The method comprises the following steps of: calculating an intensity value at a frequency position of each received pilot-tone modulation signal in a subsection manner according to a set time period; judging a signal intensity range and a noise intensity range at the frequency position of the received pilot-tone modulation signal at each time period according to the received intensity value during each time period; matching each intensity value with the intensity range within the corresponding time period to obtain the intensity range of each intensity value so that a bit value corresponding to each intensity value is demodulated. The device comprises an intensity value calculation module, an intensity range obtaining module and a bit information obtaining module. According to the method and device for demodulating the pilot-tone modulation signals, the pilot-tone modulation signals are demodulated regardless of the distribution state of noise by using the intensity range of dynamic regulation noise and the intensity range of the pilot-tone modulation signals; furthermore, the pilot-tone modulation signals are demodulated by using a corresponding relation between the same frequency of the pilot-tone modulation signals and a wavelength.

The invention discloses a transmission substation and method having positioning and wireless data acquisition functions, belongs to the technical field of data acquisition, and aims to solve the technical problems of how to realize multi-system fusion under a mine, how to effectively avoid other communication collisions needing frequency submission of data, such as personnel positioning and gas, and improve the communication success rate and how to eliminate the boundedness of transmission of monitoring information. The adopted technical scheme is that the transmission substation structurallycomprises a hardware system, wherein the hardware system comprises a main controller, an auxiliary controller, a 2.4 G RFID (Radio Frequency Identification) module, a 485 module, a network module, a CAN (Controller Area Network) module I, a CAN module II, a voice synthesis module, a display, a Flash storage module and at least one LoRa module; the main controller is connected with the auxiliary controller, the 2.4 G RFID module and the voice synthesis module; and the 2.4 G RFID module is used for acquiring information of personnel positioning equipment to realize the positioning function of the transmission substation. The invention further discloses the transmission method having the positioning and wireless data acquisition functions.

The invention discloses a kindergarten security and protection system provided with active radio frequency identification (RFID) tags. The kindergarten security and protection system comprises the active RFID tags worn on students, a data server and a plurality of card readers, wherein each active RFID tag is formed by a coupling element and a chip, and the card readers are used for reading signals transmitted by the active RFID tags. The card readers are connected with the data server through a wireless gateway. The data server is connected with a terminal display which is arranged in a campus security and protection control room and used for displaying results of the data server. Alarm keys are arranged on the active RFID tags. The kindergarten security and protection system based on the non-contact type automatic identification technology can automatically identify a target object through radio frequency signals and obtain relevant data, achieves the functions of locating and alarm of the students in a campus, monitors the conditions of the students entering and going out of the campus, timely masters the activity status of the students, timely reminds and processes dangers, and guarantees safety of the students.

The invention discloses a Bluetooth mobile terminal and a Bluetooth alarm system. The Bluetooth alarm system comprises a Bluetooth mobile terminal and electronic equipment, when the distance between the Bluetooth mobile terminal and the electronic equipment exceeds a set value, the Bluetooth mobile terminal sounds an alarm, and simultaneously the electronic equipment sounds an alarm; and when either party of the Bluetooth mobile terminal or the electronic equipment transmits a Bluetooth signal, the other party sounds the alarm. By the technical scheme provided by the invention, the Bluetooth mobile terminal has the advantages of low power consumption, small size and portability, so that the Bluetooth alarm system has the advantages of burglary prevention and mutual positioning.

The invention discloses a convenient rapid supporting loading and unloading mechanism and a supporting loading and unloading method. The supporting loading and unloading mechanism comprises a hydraulic oil cylinder, an oil cylinder piston rod and a steel supporting sleeve, wherein the hydraulic oil cylinder is provided with an oil inlet pipe orifice and an oil return pipe orifice, the hydraulic oil cylinder with a built-in distance sensor and a pressure sensor is fixed inside the steel supporting sleeve, and the oil inlet pipe orifice and the oil return pipe orifice of the hydraulic oil cylinder are installed at the outer side of the steel supporting sleeve. A movable control plate is connected with an industrial personal computer in a cabled way or a wireless way, when in supporting installation; and workers under the foundation pit can control the supporting loading and unloading mechanism to perform different actions and to display the supporting pressure and relevant information through the movable control plate. Therefore, a complete supporting loading and unloading mechanism system can be formed. The supporting loading and unloading mechanism can conveniently and rapidly realize the loading and the unloading construction of the steel support, has the advantages of high construction efficiency, time and labor conservation, safety and reliability, and can be conveniently installed on the present steel support.

The invention discloses an intelligent temperature control method for an array light receiving/transmitting module in an optical switch. The scheme comprises a temperature sensor, a voltage amplifying circuit, an 8-channel 16-bit D/A (digital/analogue) conversion module, an 8-channel 16-bit A/D conversion module, a central processing module, an FPGA (field programmable gate array) configuration module, a semiconductor refrigerator TEC, a keyboard, a liquid crystal display screen, a serial communication module and the like. The temperature sensor bonded with the array light receiving/transmitting module converts a temperature signal into a voltage signal which is amplified and then processed by the A/D conversion module and transmitted to the central processing module; the central processing module calculates a control quantity by using a temperature control algorithm, and the control information is converted into a control quantity of the TEC by the D/A conversion module; and the TEC realizes multi-point intelligent temperature control. The invention can implement temperature control on multiple modules at the same time in a large range and has the characteristics of real-time performance, high precision, high efficiency, large temperature control range, high extensibility and the like.

The invention relates to the file of communications, and discloses a terminal device automatic anti-theft alarm method and a terminal device. According to the invention, the terminal device will try to establish communication connection with an external tag by periodically utilizing the self-provided NFC function when being in the anti-theft state. If the establishment is failed continuously for many times, then a preset alarm ringtone will be played automatically. The communication connection established by utilizing the NFC function has a short distance limit, so once the distance between the terminal device and the external tag exceeds the distance limit, the establishment of the communication connection will be failed, and after the establishment of the communication connection is failed continuously for many times, the alarm function will be triggered automatically so as to achieved the mobile phone anti-theft purpose.

The invention discloses a method for preventing environmental monitoring and environmental sound-recording based on Bluetooth technology. The method is applied to a Bluetooth device, wherein the Bluetooth device is used independently to a mobile communication terminal and is connected with a mobile communication terminal with the Bluetooth function by a wireless Bluetooth joint; and the Bluetooth device has the function of preventing the connected mobile communication terminal from being monitored or sound-recorded by illegal environment. In the invention, by taking corresponding measures (closing a pickup device of a microphone, sending a silence data to the mobile communication terminal or closing a sound coder/decoder) on the Bluetooth device, the function of preventing environmental monitoring and environmental sound-recording can be realized; simultaneously by utilizing the calling connection state of the Bluetooth, the alarm function (such as screen flashing, ring vibration and vibration) can be realized on the Bluetooth device when the illegal environmental monitoring invades, thus avoiding the information safety problem resulting from spy software installed in the mobile communication terminal.

The invention discloses a communication network-based vehicle monitoring system, mainly comprising a vehicle-mounted control host, a user end carried by a user and a remote information interactive server. The vehicle-mounted control host comprises a micro-control unit, a warning device, an inductive circuit and a global system for mobile (GSM) communication module, wherein the warning device, the inductive circuit and the GSM communication module are connected with the micro-control unit; the remote information interactive server is mainly composed of an information detection unit, a real-time status analysis unit, a user information search unit, a user database and a GSM control unit, wherein the information detection unit is connected with the control host, and connected with the user information search unit through the real-time status analysis unit, the user information search unit is simultaneously connected with the user database and the GSM control unit, and the GSM communication module is connected with the user end; and the vehicle-mounted control host transmits the warning information of a vehicle to the remote information interactive server, and the remote information interactive server sends the specific warning information of the vehicle to the user end, thereby achieving the onsite warning and the remote warning of the vehicle.

The invention discloses an animal husbandry positioning system and a positioning correction method based on an unmanned plane and an RFID. The animal husbandry positioning system comprises a data collection function module for collecting livestock geographical position information data, a data analysis processing function module and a data display function module for enabling a user to check the geographical position points of livestock. Compared with an existing GPS device, the cost is lowered by 60%.

The invention discloses an injection finishing control method of a syringe injection pump. The method comprises the following steps that a computer control system is used for controlling the running of a stepping motor; the stepping motor drives a screw rod to rotate through a reduction gearbox; the rotation of the screw rod drives a screw rod nut to axially and linearly move so as to drive a power rod and a push rod to linearly move synchronously; each position in the moving procedure of the push rod corresponds to each displacement signal of a linear displacement sensor, the positions where the push rod is positioned when the injection of the syringe injection pump is finished and is to be finished are exactly defined in advance; and when the push rod moves to the defined positions, the computer control system gives an alarm and prompts. By the method disclosed by the invention, the alarming function when the injection of the injection pump is finished can be realized under different conditions; even though the tail part of a syringe is relatively small and the amount of the injection is less, the alarming function can also be realized when the injection is finished and is to be finished.

The invention relates to a guided system and a turn early alarming processing method and equipment in the guided system. The method comprises the steps of: obtaining a real-time positioning signal, wherein the real-time positioning signal comprises coordinate information of the current position; obtaining stored position relevant information according to the coordinate information of the current position; and sending an alarm indication when the road condition information of the current position is regarded as a turn road section according to the position relevant information. The equipment comprises a storage module used for storing the position relevant information, a sensing module used for obtaining the real-time positioning signal, a searching model used for obtaining the position relevant information from the storage module according to the coordinate information of the current position and an alarm module used for sending the alarm indication when the road condition information of the current position is regarded as the turn road section according to the position relevant information, wherein the real-time positioning signal comprises the coordinate information of the current position. The guided system comprises the turn early alarming processing equipment. According to the method, the equipment and the guided system, the safety during the driving is improved.

The invention discloses a default phase protecting method for a three-phase motor. The default phase protecting method comprises the following steps of: providing a weak current control loop on the basis of a main loop and a controller control loop of the three-phase motor; collecting line current and phase current of the three-phase motor by a current sampling device in the weak current control loop so as to obtain values of one group of line current Ic and phase current I1, line current Ib and phase current I3, or line current Ia and phase current I2; transmitting the values to a microcomputer which is connected with the current sampling device; and sending an instruction to control the ON/OFF of a relay KA1 by the microcomputer through calculation and analysis so as to realize the default phase protection of the three-phase motor. The default phase protecting method cannot be affected by the magnitude of current, has the characteristic of high response speed, and can be used for realizing the star-connection default-phase start protection and delta-connection default-phase operation protection of the three-phase motor.

The invention relates to an oil level monitoring and warning device for an oil conservator special for a transformer. The oil level monitoring and warning device is mainly characterized by comprising a light source emitter, a light source receiver, a photovoltaic conversion unit and a warning unit, wherein the light source emitter and the light source receiver are arranged in the oil conservator special for the transformer, the photovoltaic conversion unit is connected with the light source receiver, and the warning unit is connected with the photovoltaic conversion unit; the light source emitter is installed on the inner wall of the oil conservator and located above the oil level in the oil conservator; the light source receiver is installed on the inner wall, opposite to the light source emitter, of the oil conservator and located below the oil level in the oil conservator; the light source emitter irradiates a light beam of an emitting point to the light source receiver on the other side of the oil conservator at a certain angle. The oil level monitoring and warning device is reasonable in design; according to the refraction principle of light on an interface between gas and oil in the transformer, the oil level of the oil conservator in the transformer is reflected; meanwhile, according to the photovoltaic conversion principle, optical signals are converted into electric signals, and then the electric signals are output, so that the warning function is achieved; the oil level monitoring and warning device has the advantages of being safe and reliable in detection, accurate in testing result, easy and convenient to operate, high in anti-interference capacity and the like.