62results about How to "Reduce sources of failure" patented technology

A tower crane safety management system comprises a tower crane safety management platform and a server. The server is connected to a moment limiter host through a GPS / GPRS communication module; the moment limiter host is provided with an RFID sensing chip and an RFID sensor; and the moment limiter host is respectively connected to a weight sensor, an amplitude sensor, a height sensor, a rotary angle sensor and a wind speed sensor through CAN bus. During working of the tower crane safety management system provided by the invention, each sensor sends collected information to the moment limiter host through the bus; the moment limiter host collects, analyzes and calculates the information, and then sends the information to a display for displaying; alarm information is sent to an alarm for alarming; control information is sent to a controller for control protection; and communication information is sent to the GPRS module, and enters into the tower crane safety management platform through Internet network.

The invention discloses a cloud platform-based automatic infrastructure management system of a data center. The system comprises a plurality of cabinets, a cloud platform-based background server and APP client software, wherein the cabinets are all wirelessly connected with the background server; the background server is wirelessly connected with the APP client software; the background server is used for multi-point centralized monitoring control management; the APP client software is used for monitoring a running pre-warning state; and each cabinet internally comprises an intelligent control module, a data acquisition module and a power distribution management module. The system is composed of the plurality of cabinets, the background server and the multiple pieces of APP client software; energy resources, assets and physical links of equipment of the data center are managed, and remote security access and health states are diagnosed; and infrastructures and IT equipment of the data center are monitored and controlled in real time, the performances and states of modification, faults, health, assets and the like of the equipment are dynamically displayed, the data center is assisted to improve the energy efficiency, the operation and maintenance level is improved, fault resources are reduced, and the operation and maintenance cost is reduced.

The invention discloses a permanent magnet type vacuum circuit breaker which comprises a frame, three vacuum switch tubes arranged on the frame, insulation pull rod assemblies connected with movable contacts in the vacuum switch tubes, and a permanent magnet type drive device used for driving the insulation pull rod assemblies, wherein the permanent magnet type drive mechanism comprises two permanent magnet type drive mechanisms respectively provided with a drive shaft, and a linkage rod fixedly connected with the two drive shafts, the linkage rod is also connected with the three insulation pull rod assemblies; and the two permanent magnet type drive mechanisms drive the linkage rod by the drive shafts per se to reciprocate and further drive the insulation pull rod assemblies and the movable contacts for switching on or off through the linkage rod. The permanent magnet type vacuum circuit breaker has a more reasonable structure, and better work reliability and stability.

The invention discloses an intelligent double-power transfer switch which comprises a vacuum breaker body and a double-power switching unit; an operation mechanism is a permanent magnet operation mechanism which comprises the main shaft of the switch, a permanent magnet drive mechanism used for driving the main shaft of the switch to rotate as well as three insulated top rods which can be driven by the main shaft of the switch to move up and down; one end of the insulated top rods is connected with the corresponding movable contacts in a vacuum arc extinguishing mechanism. The intelligent double-power transfer switch has the advantages of simpler structure, less fault sources and higher reliability.

The invention discloses a manual brake separating mechanism for a high voltage switch, which comprises brake separating crankarm which is fixed on a driving spindle, a brake separating cam which is rotatablely arranged on the shell through a hinge pin, a handle which is used to drive the brake separating cam to rotate, and a torsional spring which is used to provide the brake separating cam with resetting elastic force, the handle drives the brake separating cam to rotate, the brake separating cam pushes the brake separating crankarm to carry out motion during the process of rotation thereof so as to drive the driving spindle to rotate, thereby realizing the manual brake separating operation. The invention has the advantages of simple structure, fewer parts and better reliability.

The invention discloses drill jumbo test equipment, which comprises a test stand, a rotary load simulation device, a propulsion load simulation device and a sliding guide device, wherein the rotary load simulation device, the propulsion load simulation device and the sliding guide device are arranged on the test stand. The rotary load simulation device comprises a rotary transmission mechanism used for transmitting the drill pipe rotation of a drill jumbo, and a rotary load power mechanism used for providing a simulated rotary load. The propulsion load simulation device comprises a rock simulation block configured to abut against the drill bit of the drill jumbo, a propulsion transmission mechanism used for transmitting the linear motion of the drill bit, and a propulsion load power mechanism used for providing a simulated proportion load. The rock simulation block can synchronously rotate together with the drill bit. The sliding guide device comprises a push block configured to abut against the proportion beam of the drill jumbo, and a supporting and guiding mechanism used for supporting and guiding the movement of the propulsion transmission mechanism. In this way, the heating problem caused by the relative friction motion between the drill bit and the rock simulation block can be avoided. Meanwhile, the abrasion of the equipment, generated when two motions are simultaneouslyprocessed by the equipment, can be avoided.

The invention discloses an intelligent double-power transfer switch which comprises a vacuum breaker body and a double-power switching unit; the vacuum breaker body comprises cushion mechanisms; a cushion crankarm is arrange on the main shaft of the switch; one end of a spring is connected with the shell of the switch and the other end is connected with the cushion crankarm; an arc extinguishing mechanism is vertically arranged; the main shaft of the switch is horizontally arranged; a permanent magnet drive mechanism is arranged at the central lower side or deviated to the right lower side of the main shaft of the switch; when the permanent magnet drive mechanism is arranged at the central lower side of the main shaft of the switch, the number of the cushion mechanisms is two and are respectively arranged at the two side ends of the main shaft of the switch; when the permanent magnet drive mechanism is deviated to the right lower side of the main shaft of the switch, the number of the cushion mechanism is one and is arranged at the left end of the main shaft of the switch; and an operation mechanism is a permanent magnet operation mechanism. The intelligent double-power transfer switch has the advantages of simpler structure, less fault sources and higher reliability.

The invention discloses a thermoacoustic driven stirling engine and belongs to the field of applications of thermomotors. The thermoacoustic driven stirling engine is formed by four core components namely a high pressure air storage bottle, a hot chamber, a power air cylinder and a motor; the power air cylinder is communicated with the hot chamber by arranging an air descending channel; the hot chamber is communicated with the high pressure air storage bottle by arranging an air ascending channel; an air valve is arranged in the middle of the air ascending channel; an integral structure which is formed by the high pressure air storage bottle, the hot chamber and the power air cylinder except the motor is total sealing; the interior of the integral structure is filled with high-pressure working medium gas which can be hydrogen, helium, nitrogen or air and the like. Compared with the traditional stirling engine, the thermoacoustic driven stirling engine does not adopt easy-to-wear moving components such as a distribution piston or an air remover, but moves the air through cold and hot space which is formed by the high pressure air storage bottle and the hot chamber, so that the reliability of the engine is greatly improved. The thermoacoustic driven stirling engine can be applied to a temperature difference and waste heat power generation system and a solar photo-thermal power generation system.

The invention relates to a grille composite (21) for a motor vehicle (10), the grille composite (21) comprising a grille (30) and a frame (23) for the grille (30). The grille (30) has an edge (31), and the frame (23) has a first section (40) and a second section (60) which together form a receptacle for the edge (31) of the grille (30). The first section (40) is formed from a first plastic and the second section (60) is formed from a second plastic, the first plastic being harder than the second plastic. The invention also relates to a method for producing the grille composite.

A semiconductor radiator comprises a hollow heat-separation platform (2) and a lower heat-conducting connection base (3) disposed separately on an upper end surface and a lower end surface of a through hole of a hard insulation heat-separation substrate (1). The lower heat-conducting connection base (3) is provided with a boss that penetrates through the through-hole and is fitted to the cavity of the hollow heat-separation platform. The top surface of the boss is attached to the bottom surface of a semiconductor cooling piece (5) disposed on the top portion of the hollow heat-separation platform. An upper heat-conducting connection base (6) is attached to the top surface of the semiconductor cooling piece. The semiconductor radiator has effects of preventing dust and integrally dissipating heat, and improves the heat dissipation efficiency.

The invention provides an automotive brush-less motor and a control method thereof. The control method of the automotive brush-less motor comprises the following steps of S1, energizing an A-phase coil and a B-phase coil of the brush-less motor; S2, continuously monitoring an induced electromotive force of a C-phase coil; and S3, when the induced electromotive force of the C-phase coil is lower than the voltage of the center point of a star connection relation, carrying out commutation on the brush-less motor after the same time period, wherein the time period is the time from coil energization to a situation that the induced electromotive force of the C-phase coil islower than the voltage of the center point. The automotive brush-less motor and the control method thereof eliminate rotarytransformers or similar Hall sensor components in a conventional brush-less motor, control the start-up and speed regulation of the brush-less motor by monitoring the induced electromotive force of athird phase, and have the advantages of saving cost and installation man-hour, reducing fault sources and saving arrangement space of a whole automobile.

The invention provides an air intake integrated device of a rotary air compressor. The air intake integrated device comprises a shell, an annular interlayer, an air filter, an air intake control valve and an electromagnetic valve component, wherein the shell comprises an upper cover and a lower cover clamped with the upper cover; the annular interlayer is positioned between the upper cover and the lower cover; the air filter is accommodated in the space formed by the upper cover and the lower cover, and comprises an air filter core; the air intake control valve is accommodated in an inner cavity formed by the air filter core; the electromagnetic valve component is connected with the air intake control valve; the electromagnetic valve component and compressed air are used for driving the air intake control valve together. Compared with the prior art, the air intake integrated device has the following advantages: the air filter and the air intake control valve are integrated, so that the number of parts of a compressor air intake system is decreased, the cost is reduced, and the assembly efficiency is improved.

The invention discloses a box-type high-speed motor which is mainly composed of a box-type motor stator, a bearing installed on a box-type motor stator base and a motor rotor supported by the bearing,a cooler is located at the top of the box-type motor, and the motor rotor is of a solid rotor structure and is provided with balance areas at the two ends of a rotor body. The motor rotor is also provided with a balance area in the center of the rotor body. The box-type high-speed motor is compact in structure and reliable in operation, and is suitable for higher-rotating-speed working conditions.

The invention provides an integrated treatment method for domestic sewage, belonging to the technical field of environmental protection. According to the invention, intermittent water inlet treatmentis realized by virtue of a tank body structure; external sewage firstly enters a sewage collection chamber for scumming and for adjustment of the quantity and quality of inflow water; when a water inlet valve is opened, the inflow water flows to a water distribution system of an anaerobic zone at the bottom of a middle layer through a vertical pipe; water flow upwards passes through sieve plate holes in the bottom from the water distribution system and then enters an aerobic zone at an upper layer; reflux denitrification is carried out by utilizing steam stripping nitrification liquid througha circulating water chamber; the treated sewage is discharged through a water outlet valve; the aerobic zone adopts a contact oxidation mode, and a sludge film falling off from a filler in the aerobiczone can fall into a filler in the anaerobic zone through the sieve plate holes for degradation, so sludge is reduced. The integrated treatment method of the invention solves problems in treatment ofdomestic sewage in small towns, villages and other areas which are not involved in sewage pipe networks; functions are integrated on equipment, and the equipment is constructed and installed on siteand close to a water source to overcome the problems; and difficulties in long-distance transportation due to insufficient water are avoided.

The invention relates to a connection coupling (1) for an electrically conductive connection of a storage module (61) for electrical energy in a motor vehicle (50) to an electrical consumer system (51) of the motor vehicle (50) for providing electrical energy, with a first connection coupling half ( 2) and with a second connection coupling half (4), the first connection coupling half (2) being a plug (2a) and the second connection coupling half (4) being a socket (4a) for receiving the plug (2a), wherein the plug (2a) and the socket (4a) is designed to establish an electrically conductive connection to one another, and the socket (4a) has a plurality of movable contact elements (8) on its inner lateral surface (6) for the frictional contacting of the plug (2a). The invention further relates to a storage system (60) with a connection coupling (1) and at least one storage module (61) for electrical energy, and to a motor vehicle (50) with a storage system (60).

The invention relates to a method for stabilizing the network side voltage of a wind power generator unit, which comprises the following steps of: (1) constructing a reactive power regulating reactance network which meets the requirement that the network side voltage of the wind power generator unit is regulated to realize stable running of the unit; (2) controlling a main body to detect the network side voltage of the wind power generator unit; and (3) when the network side voltage of the wind power generator unit is deflected from the voltage range for the stable running of the unit, controlling the main body to confirm reactive power current needed by voltage regulation and outputting or inputting the current by a current transformer for adjusting the network side voltage of the unit. The invention realizes network side voltage regulation by utilizing the reactive power ability of the current transformer of the wind power generator unit, has the advantages of low regulating cost, less power grid construction investment, high system reliability, high regulating efficiency, and the like and is easy to realize the unification of effectiveness and economy of voltage regulation.

An electric vehicle auxiliary power combination device belongs to the technical field of electric vehicles. Including high-voltage motors, cooling fans, vacuum pumps or air pumps, generators, compressors, power steering pumps, and cooling water pumps. , cooling water pump, and form a belt drive with cooling fan, vacuum pump or air pump, generator, compressor, power steering pump and cooling water pump respectively. From the design point of view, the present invention concentrates the power source, improves energy conversion rate, improves product quality, improves product safety and reliability, ensures that high-voltage power supply does not enter the interior of the vehicle body, reduces fault sources, reduces vibration, reduces noise, saves energy, and greatly reduces costs , improve safety and reliability.

The invention discloses an automatic change-over switch device which comprises a centrifugal slide block, an elastic part provided with a movable contact and an insulating fixed plate provided with a first static contact and a second static contact. The centrifugal slide block can move in a reciprocation mode in the central axial direction, the movable contact can move between the first static contact and the second static contact along with the centrifugal slide block until abutting against on the first static contact or the second static contact, the insulating fixed plate is basically in a U shaped and comprises two connection areas and a base area arranged between the two connection areas, and the first static contact and the second static contact are arranged in the base area. The elastic part comprises an arc electric connection plate area, installation plate areas fixedly arranged on the connection areas of the insulating fixed plate and U-shaped elastic plate areas for connecting the electric connection plate area and the installation plate areas, wherein the electric connection plate areas are fixedly arranged on the centrifugal slide block and can synchronously move along with the centrifugal slide block. The automatic change-cover switch device is simple and reasonable in structure, few in fault source and stable and reliable in work performance.