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

A headphone section 10 having microphone elements 14L, 14R for detecting a sound around the user and signal acoustic transducing elements 15L, 15R which function as a sound source for canceling the sound around the user housed in the headphone boxes 13L, 13R and a control circuit section 20 that includes a noise canceling headphone together with the headphone section 10 are separately configured. The control circuit section 20 is adjusted in such a manner that variation can be reduced and predetermined frequency characteristics and gain characteristics are achieved at a predetermined frequency. To the headphone section 10, gain adjusting sections 16L, 16R are equipped.

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 belongs to a software detection method as well as a software detector and a software detection system applying the method. The software detection method is used for detecting program flow information of application software in operation in real time, code instrumentation is carried out on software to be detected, whether 'special structure' or 'leak' is existed or not is judged by virtue of model detection, and code execution track is found, and then the program flow information is transmitted to a supervision node or a supervision network in wireless or wired way. The invention can carry out real-time monitoring on software operated in the interior of the computer system in the legality supervision field. The software detection system of the invention forms a legality metering monitoring network, and the use of metering instrument is monitored, so as to provide service and support for quick response when enforcing the law and cracking down on counterfeit goods. Specific targets such as 'backdoor program' and 'cheating password' in electronic weighing apparatus software or financial regulation software can be detected, and the detected information is transmitted to the outside, so as to realize real-time monitoring of supervision department.

A multi-stage refrigerant driven turbine is incorporated into a closed loop system to generate electricity. Heat transfer conduits and optional flow diverting members are disposed between the rotor blades of each stage of the turbine. The closed loop system also includes a condenser, pump, refrigerant storage container, refrigerant, and expansion valve. A heat source and heat sink are also provided. The expansion valve introduces a saturated refrigerant mist into the turbine, and the refrigerant expands as it flashes to a gas, thereby rotating the rotor blades and turbine shaft. Heat from the heat source is added between stages to increase the portion of refrigerant converted to gas. The gas is passed from the turbine, condensed, and passed as a liquid to storage or to repeat the cycle. The blending of refrigeration cycle and turbine technologies allows electricity to be generated in a closed loop system under moderate conditions.

The invention discloses a wireless monitor solar street lamp. A lamp post is sequentially provided with a solar power generation panel, a wireless infrared camera and a light-emitting module from top to bottom, and the solar power generation panel, the wireless infrared camera and the light-emitting module are connected with a power storage module. The environment around the street lamp can be shot in real time through the wireless infrared camera, and images shot by the wireless infrared camera are stored and transmitted to a cloud server through peripheral WIFI. People can have access to the cloud server through terminal equipment to check the images to obtain information of the street lamp and the environment around the street lamp, people can know the relevant conditions without reaching the site, and convenience is provided for management; and the routing inspection frequency of staff and the use frequency of routing inspection vehicles are effectively reduced, then urban construction and maintenance cost is reduced, the quality of urban public facilities is improved, and security and protection are accordingly improved. In addition, the overall structure is simple, and implementation is easy; and the solar power generation panel is used for supplying power, so that energy is effectively saved, the maintenance expense of urban public services is greatly reduced, and wide application and popularization are facilitated.

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 weight of 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.

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 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.

Disclosed is an aircraft rinse system for gently rinsing an aircraft engine even while the aircraft engines are on. The rinse deck has integral nozzles and water storage. Pressurized air can be used to force the water from the storage area in the deck to spray out nozzles that are integral to the deck.

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.

A boiler descaling agent comprises the following raw materials in parts by weight: 80 to 100 parts of water, 10 to 20 parts of benzotriazole, 30 to 60 parts of acetic acid, 5 to 10 parts of lauryl sodium sulfate, 4 to 15 parts of thiourea, 3 to 8 parts of ammonium fluoride and 0.2 to 0.5 part of spice. According to the invention, installation and operation on a cleaning site are simplified and facilitated; the corrosion inhibition efficiency is high, the cleaning speed is fast, washing waste liquid treating is simple and convenient, and pre-filming after washing is facilitated; equipment safety is guaranteed, the descaling is thorough and the corrosion rate is low; corrosion and poisonousness to operating personnel are basically avoided, and the operation is simple, safe and reliable; meanwhile, the boiler descaling agent is free from toxic and harmful substances, can be discharged after simple neutralizing treatment, and is safe and environment-friendly; the boiler descaling agent adopts solid components, is safe, simple and convenient to use, has no harms to human bodies, is non-corrosive to equipment and has no influences on the environment.

The invention provides a method, a device and a network for realizing frequency spectrum refarming. The method comprises the following steps: sorting, namely in one area, collecting specified data ofa first network of each cell, and sorting all the cells according to the specified data; shutting down, namely in the cells with the sequence lower than a data threshold value, shutting down carrier bandwidth of a first number of the first networks; adjusting, namely adjusting the data threshold value according to the collected user perception information, and obtaining all the cells which can beshut down in the area according to the adjusted data threshold value; and refarming, namely opening a second network carrier on the carrier bandwidth of the first number of the first networks. The method provided by the invention reduces user perceptibility in a frequency spectrum refarming process, no perception is achieved to the utmost extent, and maintenance expense of a to-be-refarmed systemis also reduced at the greatest extent.

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 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 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 an outdoor advertisement media monitoring system, and especially relates to an outdoor advertisement monitoring system and method. The system comprises a mobile terminal, a media advertisement terminal and a system terminal, wherein the mobile terminal, the media advertisement terminal and the system terminal are connected mutually through a wireless network. The system terminal is used for prestoring information of all monitored media advertisement terminals, and can carry out calculation analysis and processing on the received data information; the mobile terminal can carry out image acquisition, and sends the collected images to the system terminal; and the media advertisement terminal can guide the mobile terminal to enter an optimum acquisition area. The beneficial effects are that the system and method are high in practicality, greatly save maintenance cost, and enhance the advertisement propaganda effect when consumers carry out information acquisition; through the mutual connection of the mobile terminal, the media advertisement terminal and the system terminal, the optimized image information and the most accurate position information can be obtained, and the monitoring result is allowed to reach zero error; and the system and method are especially suitable for large-range popularization use.

The invention belongs to a software detection method as well as a software detector and a software detection system applying the method. The software detection method is used for detecting program flow information of application software in operation in real time; code instrumentation is carried out on software to be detected, whether a 'special structure' or 'leak' exists or not is judged through model detection, and code execution track is found, and then the program flow information is transmitted to a supervision node or a supervision network in a wireless or wired way. The method can carry out real-time monitoring on software operated in the computer system in the legality supervision field. The software detection system of the invention forms a legality metering monitoring network for monitoring the use of metering instruments so as to provide service and support for quick response to law reinforcement and fight against counterfeit goods. Specific targets such as 'backdoor program' and 'cheating password' in electronic weighing apparatus software or financial regulation software can be detected, and the detected information is transmitted to the outside for real-time monitoring by supervision departments.

The invention discloses a dust removal equipment remote monitoring system based on the Internet of Things. The dust removal equipment remote monitoring system comprises dust removal equipment, a signal acquisition controller, an Internet of Things platform and a remote management and fault diagnosis management module, wherein the remote management and fault diagnosis management module comprises a data acquisition unit, an equipment information management unit, an equipment information database unit and an APP management unit. Compared with the prior art, the system has the following advantages: the system brings dust removal equipment distributed in different regions into a unified management platform through a network, and equipment providers carry out unified maintenance management on the dust removal equipment, so that the maintenance expenditure of users can be effectively reduced, and better service and use experience are provided for clients. Besides, service contents can be extended for equipment providers, and value-added services can be realized by fully utilizing Internet resources.

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 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.

A method and apparatus for separating particles and dissolved matter from a fluid stream incorporated in an aircraft rinse system. The present invention includes a first pressure source which transports collected rinse fluid into a separator annulus with a filter element disposed therein. The untreated fluid is placed under appropriate pressure sufficient to produce turbulent flow, increased particle kinetics and / or cavitation physics allowing the desired fluid to penetrate and pass into and through the filter media. The filtered fluid is then transported to a collection tank. The contaminant particulate matter retained on the exterior of the filter media may be removed by the instantenous reverse pressurization of the separator annulus by a second pressure source thereby removing the contaminant particles away from contact with the filter media, and which may then be transported to a waste collection tank or a concentrator for further treatment. The treated rinse fluid is thus recycled for use in the aircraft rinse system.

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 discloses a dust collection hopper convenient to clean and belongs to the technical field of dust collectors. The dust collection hopper comprises a dust collection hopper, wherein the dust collection hopper is of a cavity structure; an annular water spraying device and a dust feeding tube are mounted at the top of the dust collection hopper; the dust feeding tube penetrates throughthe middle of the annular water spraying device and is communicated with the dust collection hopper; the annular water spraying device is electrically connected with an external water pump through anexternal control switch. Due to adoption of the annular water spraying device, cleaning water can be uniformly sprayed to the outer side wall of the dust collection hopper; with the combination of a power device, a lifting device and a cleaning arm, the outer side wall of the dust collection hopper does not need to be wiped manually, so that the labor and the time can be saved, rapid cleaning efficiency and good cleaning effects can be achieved, daily cleaning and maintenance upon the outer side wall of the dust collection hopper can be facilitated, and relatively speaking, the service life ofthe dust collection hopper is prolonged, and the maintenance expense of the dust collection hopper can be reduced.

The invention belongs to the field of electric heating tubes, and particularly relates to a sewage treatment heater. The sewage treatment heater comprises a heating element. The sewage treatment heater further comprises a small flange, a large flange and a closed sleeve; the heating element comprises a heating pipe, and the end part of the heating pipe is welded to the small flange; and the end part of the sleeve is welded to the large flange, the heating element is arranged in the sleeve, the small flange is detachably connected with the large flange, a junction box is arranged at the upper part of the small flange, and a gland is arranged on the junction box. According to the sewage treatment heater , the heating pipe is prevented from making direct contact with harmful substances such as grease in sewage, so that the adhesion of scale grease is avoided, the accumulation of temperature on the surface of the pipe is effectively prevented, and the risk of pipe explosion is avoided; and due to the fact that the heating pipe does not make direct contact with the sewage, the service life of the heating pipe is greatly prolonged, and the maintenance cost is saved.

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.