97results about How to "Easy to find faults" patented technology

The invention relates to an elevator comprising an elevator car that is guided inside an elevator shaft on guide rails. Said elevator also comprises electronics for inter alia travel control or regulation and an emergency braking device for preventing excess speed of the elevator car. Said emergency braking device has a braking device and a detector unit (11) the signal of which actuates the braking device when the elevator car reaches an excess speed. The detector unit (9, 11) comprises at least two wheels (8) that rest against a guide rail (2), each driving a respective detector (11) the signal of which is a measure for the rotational angle or rotational speed of the corresponding wheel. The electronics are adapted to functionally utilize the detector signal.; For this purpose, at least one detector signal is used during operation of the elevator within the admissible speed range for determining at least travel, speed and/or acceleration variable of the elevator car influencing the operation of the elevator system. The electronics actuate the braking device as soon as at least one of the detectors (11), by way of its detector signal, indicates an excess speed of the elevator car outside the admissible speed range.

The invention discloses an intelligent monitor dynamic alarming system of technique-proof net, which comprises the following parts: collective storing system, customer end monitoring system, intelligent traffic system, electronic terror-proof system, video resource file managing system, wherein the alarming signal is generated by electronic terror-proof system and intelligent traffic system, which is transmitted into collective storing system to do video recording; the signal is transmitted to the customer end monitoring system simultaneously to display alarming position and real-time video information on the electronic map, which is stored into the database through self-cataloging disposal of video resource file managing system to form an organic integral system. The invention realizes self-detection of automobile to obtain the photo of license plate effectively and clearly at daytime or night, which can store the data for a long time to update automatically.

The invention discloses a method of obtaining MAC address for communication equipment and the communication system thereof, where the MAC address comprises port number, tank position number and frame number. And the method comprises the steps of: communication equipment sends a request message for obtaining frame number to upper communication equipment; the upper network equipment receives and answers the request message and makes a response message carry the frame number; the upper network equipment issues the response message to the network equipment; the network equipment obtains the frame number according to the response message and combines with the obtained port number, tank position number and main-backup/non-main-backup tag value to complete MAC address configuration. Thus, it realizes that communication network automatically completes MAC address configuration of all communication equipment in system and assures MAC configuration accuracy.

A novel-cable intermediate-joint explosion-proof apparatus is disclosed. By using the provided novel-cable intermediate-joint explosion-proof apparatus, the structure is simple, installation is convenient and safety is increased. The apparatus comprises a protection tube, an explosion-proof tube, a thermal shrinkage sealing cap, one pair of reinforcing assemblies and one pair of thermal shrinkage sheaths. The explosion-proof tube is connected to the protection tube and is arranged in a center of the protection tube. The thermal shrinkage sealing cap sleeves a pipe orifice of the explosion-proof tube. The pair of reinforcing assemblies is symmetrically arranged and is located at two end pipe orifices of the protection tube. The reinforcing assemblies are connected between a cable and the protection tube. The pair of thermal shrinkage sheaths is arranged on two end pipe orifices of the protection tube respectively. The thermal shrinkage sheaths successively sleeve the protection tube, the reinforcing assemblies and the cable. The apparatus is convenient to be processed and cost is low.

Disclosed is a single power supply 10-kilovolt circuit protection three-stage configuration and fixed value setting method. Two section switches are arranged on a 10kV circuit main line, and three-stage protection configuration is performed for protecting a circuit with a length of greater than 6km; the circuit distance of three-stage switches is not less than 2km; a second-stage switch and the third-stage switch on the main line are positioned close to positions of three dividing points on the main line; and then the first-stage switch, the second-stage switch and the third-stage switch are subjected to protection fixed value setting, and reclosure is set. The three-stage protection configuration and fixed value setting method for the 10kV single power supply circuit powered by 110kV and 220kV is proposed; the circuits of each stage of protection fixed values is set by the setting method, so that complete protection matching of circuit sections can be realized; in faults, a fault range can be greatly reduced; and by matching with reclosure setting, a fault-less region can be recovered within the shortest time.

The invention relates to the technical field of streetlamps, in particular to a convenient-to-maintain streetlamp. The convenient-to-maintain streetlamp comprises a supporting base lamp pole, a lifting lamp pole, a folding bracket and a lamp body, wherein the folding bracket is mounted on the lifting lamp pole; the lamp body is fixedly arranged on the folding bracket; and the supporting base lamppole is equipped with a controller and a lifting motor. The convenient-to-maintain streetlamp is convenient for maintenance and repair of a lamp tube of the streetlamp, and does not cause influences on road traffic in a maintaining process; besides, staff overhead operation is further avoided, and construction safety is improved.

The invention provides a system for intelligently recovering heat of waste hot water in a residential area. The system comprises a waste water storage tank, a hot water storage tank and a heat pump, wherein the heat pump is respectively connected with the waste water storage tank and the hot water storage tank; the waste water storage tank, the hot water storage tank and the heat pump are all connected with an intelligent control system; the intelligent control system comprises an information acquisition device, a main control module, a valve control module and a water pump control module; themain control module is respectively connected with the information acquisition device, the valve control module and the water pump control module through a communication module; and the information acquisition device is respectively connected with the waste water storage tank, the hot water storage tank and the heat pump through the communication module. According to the system, the main controlmodule is used for processing the data transmitted by a sensor to predict the water consumption, so that the recovery efficiency of the heat of the waste hot water is improved; and a deep learning algorithm is used for carrying out fault diagnosis for the system, so that equipment faults are found conveniently, workers are reminded of carrying out equipment maintenance in time, and the stability of the system for intelligently recovering the heat of the waste hot water is improved.

The invention relates to a prosthesis system comprising at least two sensors (10), at least one controller (30) which is coupled to the sensors (10) and processes sensor signals of the sensors (10), at least one actuator (70) which is coupled to the controller (30) and can be activated or deactivated on the basis of control signals of the controller (30), and at least one movably mounted prosthesis component (60) which can be moved by the actuator (70). A standard program is stored in the controller (30) or can be retrieved by the controller, said program assigning an actuator action to each sensor (10) regardless of the duration and/or intensity of the sensor signal.

The invention discloses a comprehensive management system for network operation and maintenance, relates to the technical field of network operation and maintenance, and aims to solve the problems that faults of a huge network system are not easy to find, diagnose and repair, no accurate data is used for scientific fault analysis, network equipment and a server are manually monitored, and time and labor are comsumed. The monitoring management system comprises a data acquisition module, a data processing module and a data output module, the output end of the data acquisition module is connected with the input end of the data processing module, and the output end of the data processing module is connected with the input end of the data output module. The data acquisition module comprises configuration data acquisition, performance data acquisition and alarm data acquisition, the data processing module comprises configuration data conversion, event processing analysis and alarm analysis, and the data output module comprises a network topological graph, real-time monitoring, statistical analysis, report analysis, event statistics, data release and alarm presentation.

The invention relates to a control method of a programmable logic controller. The method includes a method for controlling a programmable logic controller (PLC) by configuration programming using electrical and instrumentation national standard graphic symbols. By dragging symbols in a built-in graphic symbol library of a device, a program in a paper pattern electric installation style is rapidlyconfigured, and then the graphic symbols which are completed in configuration are corresponding to switching quantity input and output ports and analog quantity input and output ports of the programmable logic controller, to realize collection and port control actions. The method enables an electrical designer to configure and program a design program in the form of an electric installation drawing, to realize control of programmable logic controller. Configuration programming is simple and intuitive, and can replace ladder diagrams, sentence tables and other tedious programming methods currently used in automation engineering, so as to reduce time cost for projects, reduce difficulty of construction technology for engineering technicians, and provide a visual and simple programming interface for later maintenance personnel to modify and add ports.

The invention discloses an energy-saving environment-protecting material sucking and drying all-in-one machine. The machine is composited of a material barrel main body, a fan, a pulsation switching exhaust mechanism, a heater, an electrical control system, a connecting pipe fitting and other components. According to the material sucking and drying all-in-one machine, an air cylinder of the pulsation switching exhaust mechanism is controlled to act through the electrical control system, so that the circulating process such as internal vacuum material sucking and feeding, air flow heating and drying the materials, hot air recycling through filtering and refluxing, and dust filtering, cleaning, bag collecting in materials in the material barrel are carried out; in the process, the electricalcontrol system receives and processes signals feedback from sensor switch such as air pressure, temperature and material level, so that the intelligent control of the drying air volume and the heating temperature in the material processing process is realized, and the energy-saving effect is remarkable; according to the material sucking and drying all-in-one machine, a blanking device adopts a rotary disc sealing type blanking structure, so that the sealing effect is good, and the operation is convenient; and metal impurities in the materials can be effectively adsorbed by the arrangement ofa magnetic column, the metal impurities can be timely removed through a cleaning window, so that the injection molding quality of products is ensured, and the use safety of an injection molding machine is ensured.

The invention discloses a fault recording device state visual monitoring system and monitoring method, and the system comprises a state collection unit which is disposed on a recording case interfaceboard and is used for collecting the state data of a fault recording device in real time, and transmitting the state data to a data processing unit; a data processing unit arranged on the wave recording case core board and used for receiving and storing the data transmitted by the state acquisition unit, analyzing and processing the received data and transmitting the data to an upper computer; andan upper computer which is in communication connection with the state acquisition unit and the data processing unit and is used for displaying the data transmitted by the data processing unit. According to the fault recording device state visual monitoring system, the defects that an existing product has no optical power data on-line monitoring capacity and the visualization degree of a recordingfile is low are overcome by improving the equipment fault monitoring capacity of a VBE system.

The invention discloses an elevator safety device and an elevator. The elevator safety device comprises a through door lock detection loop and a monitoring module, wherein the through door lock detection loop comprises normally open contacts and normally closed contacts of at least three relays and at least four door lock short circuit detection points located between a front end port of an elevator safety door lock section and a tail end port of the door lock section; and the monitoring module comprises coils of the at least three relays and a control unit, and the monitoring module controlsthe attraction or release state of the coils of the at least three relays and monitors the charged state of the at least four door lock short circuit detection points to detect the short circuit stateof a through door lock.

The invention discloses a device for automatically collecting, releasing, storing and distributing fibers. The device comprises a shell. A pulley block A and a pulley block B are arranged in the shell in a spaced manner and used for collecting, releasing and storing the fibers. The pulley block B is installed in sliding grooves in the two sides of the shell and connected with a displacement control device. A jumper fiber or a tail fiber is wound on the pulley block A and the pulley block B, the jumper fiber or the tail fiber is led out of leading-out holes in the two ends of the shell respectively and embedded into cross fiber distributing grooves, and the fibers are distributed horizontally and vertically to be connected with an optical cable adapter or an optical fiber equipment interface. The jumper fiber or the tail fiber used for signal connection between optical cables, between the optical cables and optical fiber devices and between the optical fiber devices is arranged, the fibers can be automatically collected, released, stored and distributed, and the transverse and vertical fiber distribution environment in the connecting process of the cables, the connecting process of the cables and the optical fiber devices and the connecting process of the optical fiber devices is improved; and maintenance, fault searching and device replacement are convenient, so that time and labor are saved, cost is lowered, and the working efficiency is improved.