1169results about How to "Repair in time" patented technology

The invention relates to an automobile failure detection system based on cloud calculation. The automobile failure detection system solves the problems that a general automobile does not have a function of automobile failure detection or is not specific in failure detection, and users cannot maintain the automobile timely, so that safety hazard is added, simultaneously the failure can be serious, and maintenance cost is added. The automobile failure detection system comprises a vehicle-mounted terminal and a cloud calculation side, wherein the vehicle-mounted terminal comprises an automobile data communication interface module, a control module, a network communication module and a display module, and the vehicle-mounted terminal is connected with the cloud calculation side through a network. The automobile failure detection system based on cloud calculation has the advantages that the sensor technology, the wireless network technology and the cloud calculation technology are integrated, the automobile only needs to be installed a simple vehicle-mounted terminal, specific failure diagnosis is completed by the cloud calculation side, and the automobile failure diagnosis function can be achieved with no need of installing a failure diagnosis instrument, so that users can timely maintain the automobile, maintenance cost and safety hazard of the automobile are reduced, simultaneously the structure of the automobile is simplified, and purchasing cost is reduced.

The invention discloses an internet of vehicles-based car periodic leasing system and method. The leasing system comprises intelligent vehicle-mounted equipment, a handheld terminal APP, a periodic leasing remote management control center and a vehicle, wherein the intelligent vehicle-mounted equipment is arranged on the vehicle and is connected with the vehicle, the periodic leasing remote management control center and the handheld terminal APP, the periodic leasing remote management control center is connected with the intelligent vehicle-mounted equipment and the handheld terminal APP through an internet, and the vehicle and the intelligent vehicle-mounted equipment are in communication connection through a vehicle-mounted bus. By the leasing system and a leasing and vehicle management method, the problems of car leasing and returning, car seeking, vehicle identification designed user opening, real-time monitoring of an enterprise, leasing vehicle management, leasing user warning and monitoring and the like of the user on the handheld terminal are solved; by automatic flow-type leasing, actions of car seeking, car driving, vehicle starting and the like of the user are facilitated, other devices are not needed to be additionally arranged, and the safety and the convenience are ensured; and meanwhile, the management of the enterprise on the vehicle is more timely and thorough.

The invention relates to a method to improve the antifreeze ability for air condition. It includes the following steps: minimum water flow would be controlled by a flow controller at water outlet, setting an antifreeze value, when water temperature lowering than the value, the set would stop running and output alarm. If the water temperature at water intake is lower than a set temperature value, and the temperature difference at outlet and intake exceeding a set value, and lasting for a time span, it would be judged as not enough water flow. The machine would be stopped and output alarm.

The method comprises: a) drawing a operating condition graph, and dividing the operating condition graph into four areas which are an area of test parameter under investigation, an area of normal working, an area of low mechanical efficiency, and an area of motor low load and load efficiency; b) determining the location of individual well in the graph: testing the motor running parameter, pumping unit well suspension parameter, and using diagram of work fluidounce metering to fast measure the fluidounce yield; calculating the motor input and output power, motor load rate, pumping unit polished rod power and pumping unit system ground efficiency; filling the obtained motor load rate, pumping unit system ground efficiency data into the ground electromechanical system operating condition graph.

The invention discloses a high temperature heat barrier material, coating, molded product and application thereof. When using the material formula to form a coating and a molded product, the characteristics of a porous structure (honeycomb structure) of nano/microscopic/macroscopic hole, low thermal conductivity and high temperature radiation barrier and the like are provided or showed. The material can be applied in high temperature devices with strict conditions, and greatly reduces the heat transmission generated by high temperature radiation and heat conductivity of the material when using the device at high temperature. The applied range of the material, coating and molded product includes but is not limited to high temperature stove kiln, high temperature valve, warm air duct and its device, foundry ladle, ladle and other high temperature devices of steel industry, non ferrous metal, building material, refractory material (ceramic), machinery and chemical industry high temperature stove kiln and its device, automobile, aviation, spaceflight, energy, satellite, ship, steam turbine, boiler and chemical industry high temperature devices.

The invention relates to an indirect prediction method for the residual life of a lithium ion battery. The method comprises the following steps of collecting lithium ion battery monitoring data, a normalized battery capacity sequence and an equal-time voltage difference sequence; carrying out correlation analysis to extract health factors; constructing a lithium ion battery health state estimationmodel based on an echo state network; constructing a health factor prediction model based on a long short-term memory neural network, and calculating a health factor of a future cycle period; and calculating the true value of future cycle period capacity to finish the prediction of the residual life of the lithium ion battery. The invention further provides an indirect prediction device for the residual life of the lithium ion battery. According to the predication device and method, online prediction of the residual life of the lithium ion battery can be realized, and timely replacement and maintenance are carried out before the expiration of the residual life, so that normal operation of the lithium ion battery is ensured, and the prediction precision of the residual life of the lithiumion battery is improved.

The invention discloses a multi-station intelligent numerical-control grinding machine for knives and scissors and relates to a tool grinding machine. The grinding machine comprises a main motor, a grinding wheel, longitudinal-vertical sleeve mold boards, a workpiece rotating disc mechanism, and 2-6 grinding machine units distributed at the periphery of the workpiece rotating disc mechanism; the workpiece rotating disc mechanism is driven by a stepping motor; a plurality of arc sheeted fixtures with the longitudinal-vertical sleeve mold boards are fixed on a rotating disc; each of the 2-6 grinding machine units comprises a grinding head mechanism, a grinding wheel feed mechanism, an lifting feed mechanism for trimming the grinding wheel, and a longitudinal feed mechanism; the grinding head mechanisms drive the grinding wheel to rotate through the main motor; the grinding wheel feed mechanisms drive the grinding head mechanisms to translate through the stepping motor, a lead screw, a nut sliding block and a box-shaped base; the box-shaped bases of the grinding head mechanisms ascend and descend under the drive of the lifting feed mechanisms for trimming the grinding wheel through the lead screw, the nut sliding block and a rectangular lifting plate; the longitudinal feed mechanisms for trimming the grinding wheel drive a diamond trimming head to translate through the cantilever lead screw, the nut sliding block and a rectangular plate; and all the motors are connected with a line of a PLC (programmable logic controller) central processing unit. The efficiency is improved by multiple stations.

The invention discloses a fault detecting system of an intelligent storage locker. The system is installed on an upper computer of the intelligent storage locker; and the system can poll the secondary equipment of the intelligent storage locker according to communication instructions within a preset time; once faults are found out, fault information is saved on a storage medium of the upper computer. According to the system, states of the secondary equipment of the intelligent storage locker are automatically polled, and then the states are recorded and sent to a remote server so as to be timely and conveniently monitored and maintained.

The invention discloses a starting control system and control method of an automobile engine. The system comprises a micro computer module, an engine starting module, an engine closing module, an engine state detecting module, an engine temperature detecting module, a starting circuit fault detecting module, a control system detecting module, a control system maintaining module, an alarm module and a display module; the micro computer module controls the engine starting module and the engine closing module, controls the engine state detecting module to detect the state of the engine, controls the starting circuit fault detecting module and the engine temperature detecting module, controls the control system detecting module and the control system maintaining module and controls the alarm module and the display module. Whether an engine circuit fails or not can be effectively detected, an alarm can be given out in time, and meanwhile, various detected data are displayed.

The invention relates to the field of driverless taxis, and especially relates to a method for handling halfway faults of a driverless taxis. The method comprises the following steps: a fault detection module arranged on the driverless taxi reads fault information and feeds the fault information back to a fault checking system for analysis; and a fault type is determined, and an instruction corresponding to the fault type is triggered according to the fault type.

The invention discloses an aquaculture intelligent ship monitoring system based on the GPRS. The aquaculture intelligent ship monitoring system based on the GPRS comprises a ship body, a power module, water quality collecting and monitoring modules, a GPS module, an anti-theft module, an automatic oxygenation module, a timing fish feeding module, a GPRS module and a far-end monitoring platform, wherein a single-chip microcomputer is connected with the water quality collecting and monitoring modules, the GPS module, the anti-theft module, the power module, the automatic oxygenation module, the timing fish feeding module and the GPRS module. The aquaculture intelligent ship monitoring system based on the GPRS automatically finishes monitoring, theft prevention, automatic oxygenation and timing feeding of aquaculture, integrates intelligent sensing, intelligent processing and intelligent control, and is high in automation degree, accurate in monitoring, timely in control and low in energy consumption. The whole system adopts network transmission, does not need wire distribution and is low in cost.

The invention relates to a PWM (Pulse-Width Modulation) dimming an LED (Light Emitting Diode) road lamp controller based on Zigbee and is mainly used for controlling a road lamp as well as discovering and solving failure problems in time. The PWM dimming the LED road lamp controller comprises an LED lamp, a power supply module, a wireless sensing module, a control module, a base station and a computer, wherein the power supply module comprises a power supply control chip, an input power supply, a booster circuit and a constant-current output circuit; the control module comprises a PWM wave generator, an illumination intensity acquisition sensor, a failure feedback module and an executing node; the input power supply adopts a constant-current power supply of an LED solar energy road lamp; the control module is connected with the base station through a Zigbee wireless sensor network; and the base station is connected with the computer. The PWM dimming the LED road lamp controller is used for supplying power through environment-friendly solar energy and collecting long-distance illumination intensity through the Zigbee wireless sensor network; and PWM waves can be used for controlling luminance variation of each road lamp and receiving failure alarm signals of each road lamp.

The invention relates to a four-way valve fault detecting method, a four-way valve fault detecting system and an air conditioner, wherein the method comprises the following steps: step S1, in a heating mode, acquiring the temperature T1 in the middle of an evaporator of an indoor unit, the temperature T2 at the outlet of the evaporator, an exhaust gas temperature T3 of a compressor and the temperature T4 of a middle refrigerant pipe of a four-way valve; step S2, judging whether a relationship that (T2-T1) is smaller than or equal to a or (T3-T4) is smaller than or equal to b is set up or not, wherein a is a first temperature threshold value and b is a second temperature threshold value, re-electrifying the four-way valve and returning to the step S1 if the relationship is set up, otherwise, indicating that the four-way valve has no fault, and ending the process. According to the method, conditions for judging that the reversing of the four-way valve is unsuccessful can be used for judging whether heating of an air conditioning system has problems or not more truly and accurately, so that faults are quickly found, the system is timely maintained, and the reliability of the system is guaranteed.

This invention disclose a intelligent bus system and its realize method, the monitor center of the system and the bus electric system change their information in network, the peripheral equipment of the bus electric system includes report station implement, LED display screen, the guidepost, station sign, all of these equipment are linked with the bus host computer; the monitor center can send the related dictate to the bus host computer in network, the bus host computer doing related operation to the related peripheral equipment according to the received dictate, the peripheral equipment uploads the feed back information to the monitor center, by the way, the bus host computer can locate in real time, and upload the orientation information according to the dictate of the monitor center. The monitor center can realize the far distance, real time monitor to the bus electric system, at the same, realize the entirety information alternate and share in the system.

The invention discloses an electric appliance equipment fault alarming method, comprising the steps of monitoring electric appliance equipment by a social network server; and after the electric appliance equipment are detected to break down, sending a fault alarming message to maintenance personnel through a client by the social network server so that the maintenance personnel can maintain the failure electric appliance equipment. The electric appliance equipment fault alarming method can be based on the social network server to timely send a fault message of electric appliance equipment to corresponding maintenance personnel, thereby facilitating timely maintenance of the failure electric appliance equipment by the maintenance personnel. The invention also discloses an electric appliance equipment fault alarming system, and a social network server.

The invention discloses an operation detection method and device for front-end monitoring device based on track information. The method comprises that track information of a track recording device in a specific statistic period is extracted from track information reported by the track recording device on a vehicle; effective front-end monitoring devices in the specific range in the surrounding of the track corresponding to the extracted track information is searched; the effective front-end monitoring devices are grouped according the specific range, and vehicle passing records of each group of the front-end monitoring devices in the vehicle passing period are searched from the track recording devices; and the group of front-end monitoring device is determined. The operation detection device comprises a track information extraction module, a front-end device searching module, a grouping module, a vehicle passing record query module and a determination module. According to the method and device, the front-end monitoring device with faults can be discovered by a user conveniently, so that maintenance is carried out timely, and reliable operation of the device is ensured.

The invention discloses a communication machine room protection monitoring management system based on big data. The system comprises an environmental noise detection module, a sound comparison and separation module, a waveform recognition and analysis module, an environmental parameter storage database, a fault frequency detection module, an equipment association construction module, an equipmentoperation parameter detection module, a data adjustment and analysis module, a big data server and a prompt early warning terminal. According to the invention, the mixed noise in a machine room is analyzed; whether each device has a fault and the type of the fault are determined; the failure frequency of the device, the repair waiting time and the temperature change condition of the device are analyzed; the operation life evaluation coefficient corresponding to each device under the influence of the device and other devices is comprehensively analyzed by combining association tightness coefficients, fault repair time and the like of other devices and a device to be detected; the characteristic of high detection accuracy is achieved, protection early warning reminding is achieved, and protection monitoring management can be conveniently carried out on the devices in the machine room.

The present invention discloses a substation monitoring system based on the Internet of things technology, and belongs to the field of power supply monitoring. The system comprises a power distribution monitoring center, an information server, an electric power private network or a wireless broadband network, a wireless sensor network and a collection system. The collection system comprises power distribution room running environment monitoring module, a power distribution room security monitoring module, an equipment running status monitoring module, and an RFID information collection module that are all provided with a wireless transmission module separately; the collection system connects the collected information to the wireless sensor network through the wireless transmission module, connects the collected information to the electric power private network or the wireless broadband network through the wireless sensor network, and uploads the collected information to the information server; and the power distribution monitoring center connects to the information server, and pushes a plurality of information parameters, and early warning and alarm information of the power distribution station to the LED displays of each department in real time. According to the substation monitoring system disclosed by the present invention, remote monitoring of the power distribution room is realized, human resources are saved, and real-time monitoring of situation of the power distribution room can be realized.

The invention, which belongs to the technical field of distribution room monitoring, discloses an internet-of-things-based distribution room monitoring system comprising a distribution room environment monitoring module, a distribution room security monitoring module, a distribution room equipment state monitoring module, an intelligent electric meter, a meter reading device, and a main control module. The main control module is in communication connection with the distribution room environment monitoring module, the distribution room security monitoring module, the distribution room equipment state monitoring module, and the meter reading device. According to the invention, The distribution room environment monitoring module, the distribution room security monitoring module, the distribution room equipment state monitoring module are used for obtaining environment state information, security state information, and equipment state information in a distribution room; the main control module processes the information and transmits the information to the internet, so that the worker can monitor the distribution room remotely. With the intelligent electric meter and the meter reading device cooperating with the intelligent electric meter, the worker can obtain electric energy metering information in the intelligent electric meter automatically by the meter reading device.

The invention discloses a cloud print self-service platform and a realizing method thereof. The self-service platform is connected with at least one self-service printing terminal and comprises a receiving module, a converting module, a payment management module, an order generating module, a pushing module and a monitoring module, wherein the receiving module is used for receiving a printing request submitted by a user; the converting module is used for transcoding a document uploaded by the user and storing the document; the payment management module is used for providing a payment interface, receiving money paid by the user and processing and storing the transaction amount simultaneously; the order generating module is used for generating an order voucher on the basis of the printing request submitted by the user; the pushing module is used for pushing the newly generated order voucher to a mobile terminal of the user in the way of a short message and pushing transaction information, material information and failure information to the monitoring module in real time; the monitoring module is used for giving an alarm when the failure information is received, or the abnormity of the material information is judged, or the transaction information is abnormal. The user can print according to needs at any time and any place without the limitation of region or time.