35results about How to "Reduce maintenance expenses" patented technology

The invention relates to a communication device, in particular to a communication device safety check technique, which discloses a circuit board pollution check method and a relative system, for resolving the problem of prior art which is lack of quantitative check method to judge the pollution degree of circuit board to cause low accuracy. The inventive method comprises checking the surface insulated resistance value of an object circuit board, comparing the surface insulated resistance value with one resistance threshold value, while the environment relative humidity is set as humidity threshold value, judging the resistance threshold value is the minimum surface insulated resistance value higher than the value at the safe operation of the circuit board, and when the surface insulated resistance value is not higher than the resistance threshold value, judging the circuit board has surface pollution. The inventive system comprises an insulated resistance check circuit and a first comparison circuit.

The invention is applicable to the technical field of power equipment monitoring, and particularly relates to an antifreezing power transmission and transformation equipment monitoring system. The antifreezing power transmission and transformation equipment monitoring system comprises an inductor, heat-conducting meshes, a controller, a communication module and a server, wherein the inductor is arranged in power transmission and transformation equipment; the heat-conducting meshes are evenly arranged on the inner wall of the power transmission and transformation equipment; the inductor collects parameter indexes in the power transmission and transformation equipment; the controller is connected to the inductor to process the parameter indexes; the controller is connected with the heat-conducting meshes; a heating wire is arranged in a heater tube; the communication module is connected to the controller to transmit the parameter indexes; and the server is mutually connected with the communication module to monitor the working state of the power transmission and transformation equipment. According to the antifreezing power transmission and transformation equipment monitoring system, the parameter indexes when the power transmission and transformation equipment works can be monitored in real time; and when the power transmission and transformation equipment is broken down, timely response and treatment can be carried out, so that the emergency capability of manpower on the power transmission and transformation equipment is improved; and meanwhile, freezing and accumulated snow can be prevented in a bad weather, namely a snow-ice weather.

A terminal with a contact panel can be used in various facilities, such as visiting controlled terminals, charged telephones, ATMs, tickets sellers, etc. It consists of a contact panel display and an IC card signal receiver to deal with card holders. To communicate with them, an antenna, at least, is embedded into the panel for reading and writing on cards.

The invention discloses an online roll-call method and system for tourist groups in a scenic area based on RFID and smart phones. The system comprises a scenic area background system, RFID card reading devices connected with the scenic area background system through a network, a tour guiding smart phone connected with the scenic area background system through a wireless network, and an RFID card.Each RFID card reading device connected with the scenic area background system through the network is arranged in the scenic area, and a code and a mounting position of the RFID card reading device are respectively recorded at the RFID card reading device and the scenic area background system; and a tourist guide registers tourist group information to the scenic area background system, thus a series of third type information is generated and returned back to the smart phone of the tourist guide, and the technical aims of fast finding a tourist falling behind the tourist groups based on the RFID and the smart phone of the tourist guide and tracking time and position of the last appearance are achieved.

The invention provides a GIS distribution device monitoring method based on the Internet of things. The GIS distribution device monitoring method based on the Internet of things comprises steps that, work index parameters of GIS distribution devices are acquired; whether a disturbance signal is contained in the work index parameters is determined; when the disturbance signal is not contained in the work index parameters, the work index parameters are transmitted to a central control computer; whether the GIS distribution devices corresponding to the received work index parameters are in fault is detected, when the GIS distribution devices corresponding to the received work index parameters are in fault, the work states of the GIS distribution devices are adjusted according to a preset model; work index parameters before and after adjustment are displayed in a graph mode. Through the GIS distribution device monitoring method, a problem of error alarming during monitoring caused as the disturbance signal is contained in shake-up signals in a traditional monitoring mode is solved, the monitoring accuracy rate is improved, moreover, each GIS distribution device can be timely and accurately monitored, according to the work state of each GIS distribution device, faults can be timely discovered and processed.

The invention relates to a software detection method and a software detector and a software detection system using the method. The software detection method is used for detecting program flow information of utility software in operation in real time, model detection is used for judging whether a specific structure or a leak exists or not after code instrumentation of software to be detected, code execution tracks are found out, and then the program flow information is sent to a supervision node or a supervision network in a wireless or wired mode. The method can conduct real-time monitoring on the software operated inside a computer system in the legal supervision field. The software detection system forms a legal metering monitoring network to monitor use of metering tools, provides service and support for fast reaction of law enforcement and cracking of fake products. The method can detect specific objectives of back door programs, cheating commands and the like in electronic weighing instrument software or financial regulation software, and enables detected information to be transmitted to outside to enable a supervision authority to conduct real-time monitoring.

The invention relates to communication equipment, in particular to communication equipment safety detection technology, and discloses a circuit board pollution detection and alarm method to solve the problem of poor accuracy caused by the lack of quantitative detection schemes when judging the degree of circuit board pollution in the prior art . The method comprises the steps of: detecting the operating temperature of the constant power element on the surface of the contaminated circuit board and the ambient temperature of the circuit board; calculating the difference between the operating temperature and the ambient temperature; and when the temperature difference is equal to or greater than the set When the temperature threshold is set, an alarm signal of pollution exceeding the standard is issued.

The invention relates to a device for controlling the power supply of a mobile communication base station, which solves the problem of electric power resource waste caused by long idle state time of the mobile communication base stations along a high-speed railway. The device for controlling the power supply comprises a base station power source input end used for connecting a power supply sourceof the mobile communication base station, a base station power source output end used for connecting electricity consuming equipment of the mobile communication base station, a power switch connectedbetween the base station power source input end and the base station power source output end, and a segmented time controller used for controlling the power switch to be switched on at a preset time when the base station is started to run or controlling the power switch to be switched off at the preset time when the running of the base station is stopped according to base station time-segmented power supply setting information. The invention also provides a method for controlling the power supply of the mobile communication base station, which further widens the application range of a solar photovoltaic power generation system in the mobile base station.

The invention relates to a software detecting method as well as a software detector and a software detecting system applying the method. The software detecting method is used for the real-time detection of the procedure information of a running program of application software. After the operation of code instrumentation is carried out on software to be detected, the condition whether a 'special structure' or a 'flaw' exists or not is judged by model detection, a code execution track is also found out, and then the procedure information of a program is transmitted to a supervising node or a supervising network by adopting a wireless or wired mode. The software detecting method can be used for carrying out real-time monitoring on running software inside a computer system in the field of jural supervision. A jural metering and monitoring network is formed by the software detecting system disclosed by the invention and is used for monitoring the use of a metering appliance so as to provide service and support to the quick response of enforcing the law and cracking down on counterfeit goods. The software detecting method can be used for detecting specific targets, such as a 'backdoor program', a 'cheating password' and the like in electronic weighter software or financial supervision software and also used for transmitting information obtained by detection to the outside so as to be monitored at real time by the department of supervision.

The invention discloses an auxiliary oil-sealing method and device for a combustion gas turbine, and belongs to the field of combustion gas turbine designing. The oil-sealing method comprises the steps as follows: a first stop valve is arranged on an oil supplying pipe; a high-level oil tank is arranged, one end of the high-level oil tank is connected onto the oil supplying pipe through an oil charging pipe, the joint of the high-level oil tank and the oil supplying pipe is located between the first stop valve and the combustion gas turbine, and the other end of the high-level oil tank is connected with a fuel tank through an oil returning pipe; and a second stop valve is arranged on the oil charging pipe. According to the auxiliary oil-sealing method and device for the combustion gas turbine, the high-level oil tank is arranged at the highest point of the whole device; when the combustion gas turbine is started, both the first and the second stop valves are opened, and fuel oil enters the high-level oil tank and the combustion gas turbine through the oil charging pipe; after the high-level oil tank is filled with the fuel oil, the extra fuel oil is discharged back to the fuel tank through the oil returning pipe; when the combustion gas turbine is stopped, the first stop valve is closed, the second stop valve is opened, the fuel oil in the high-level oil tank flows into the combustion gas turbine for oil-sealing by means of the liquid level difference through the oil charging pipe, and thus the parking time of the combustion gas turbine is remarkably prolonged.

The invention discloses a construction waste recycling crushing device with an anti-pollution effect, and particularly relates to a sorting machine, a crushing machine and a cleaning machine, a funnel is mounted in the middle of the top of the sorting machine, an impact bin is arranged below the funnel, and impact plates are mounted on the two sides of the impact bin. According to the crushing device with the anti-pollution effect for construction waste recycling, by arranging the impact bin, large construction waste can be preliminarily collided, meanwhile, reinforcing steel bars adhered to the interior of concrete are exposed, damage to a crushing machine in the next step is avoided, the internal space of the impact bin is large, and the impact bin can contain materials which cannot be crushed by a common crushing machine; the impact plates on the two sides are controlled by the hydraulic device, the impact speed is low, but the pressure is huge, the counter-acting force generated when the construction waste is damaged is greatly reduced, and the impact plates and the impact bin body are protected while the crushing efficiency is guaranteed.

The present invention discloses a natural structure wood floor. Its structure wood floor. Its structure is characterized by that on two side surfaces of longitudinal direction of wood floor board self-body the transverse inward holes are cut respectively, these holes are through holes or non-through blind holes, said transverse inward holes not only can cut the cetnral longitudinal fibre of wood floor board self-body, but also can utilize matched bamboo pins to make the wood floor board and wood floor board implement spliced-connection which can be alignment type spliced-connection or alternatively spliced-connection.

This application discloses a remote monitoring system for dust removal equipment based on the Internet of Things, including dust removal equipment, a signal acquisition controller, an Internet of Things platform, and a remote management and fault diagnosis management module; the remote management and fault diagnosis management module includes a data acquisition unit , a device information management unit, a device information database unit and an APP management unit. The system has the following advantages: the system integrates the dust removal equipment distributed in different regions into a unified management platform through the network, and the equipment provider conducts unified maintenance and management of the dust removal equipment, which can effectively reduce the user's maintenance expenditure and provide customers with better quality. It can also extend the service content for equipment providers and make full use of Internet resources to realize value-added services.

The invention provides a wind damage proof billboard frame; the billboard plate is arranged on the upper end of an upright post; the billboard plate is composed by covering and fixing the advertising screen panels on the frame; the billboard plate and the upright post are made in bi-direction relative rotation connection structure along the shaft and having circular rotor and circular seat; the rotor and the seat are mated into circular body and sleeved on the upper end of the upright post; the circular rotor is fixedly connected with the billboard frame; the circular seat is fixed with the upper end of the upright post. The design refers to the wind vane structure, when the wind power of the billboard plate is more than the weight of the billboard plate, the billboard plate will rotate left or right along the upright post and raise to change the direction such that the side load wind automatically reduce the sail area; when the wind power of the billboard plate is less than the weightof the billboard plate, the billboard plate automatically turns around the upright post and descends to restore the showing direction. The diameter of the upright post can decrease, and the area of the billboard can increase; the invention has simple structure, reduced maintenance cost, and effectively solves the problem that the existed outdoor large billboard is easy to be destroyed by strong wind or typhoon.