7results about How to "Improve fault" patented technology

The invention discloses a large-handling-capacity horizontal scraper discharging centrifugal machine and a using method thereof. A driving motor included in the large-handling-capacity horizontal scraper discharging centrifugal machine provides power for the centrifugal machine, and the driving motor comprises a stator and a rotor; the transmission device realizes stable and efficient transmission of power of the driving motor, and adopts a herringbone toothed belt wheel to provide large torque output; the screen basket is used for centrifugally separating materials, and solid-liquid separation of the materials is achieved through centrifugal force generated by rotating the screen basket at a high speed; the scraper adopts a small-lead spiral blade design, and the small-lead spiral blade enables the scraper to scrape materials on the inner wall of the screen basket when the scraper rotates along with the screen basket; a feeding pipe of the feeding system is a circular pipeline, the inlet end of the feeding pipe is connected with the material conveying pipeline, and the outlet end of the feeding pipe is arranged on one side of the screening basket in the tangential direction. According to the centrifugal machine, the problems of processing capacity, transmission stability, feeding mode, maintenance convenience, part protection, environmental adaptability and the like of vertical and horizontal centrifugal machines in the prior art are solved.

The invention relates to a vehicle end calibration method, and belongs to the technical field of vehicles. The method comprises the following steps: receiving a remote calibration instruction issued by a cloud; replying whether the current state of the cloud can be calibrated or not; when replying that the cloud can be calibrated, receiving a calibration instruction packet sent by the cloud; verifying the validity and integrity of the calibration instruction packet; if the verification is passed, analyzing the calibration instruction packet to obtain analyzed data; based on the analysis data, the ECU is controlled to execute calibration; the calibrated actual result is verified; and if the verification is successful, returning a calibration success result to the cloud. According to the method and the device, the use safety of the vehicle is improved, and when the secret key is cracked and the vehicle is stolen, the secret key can be timely and quickly changed through the cloud to lock the vehicle. By means of remote calibration, calibration does not need to depend on professional diagnostic tools any more, and faults or safety problems caused by secret keys can be processed more conveniently and efficiently.

The present invention provides an AlGaN / GaN power HEMT device and a preparation method therefor. The device comprises: an n-type GaN substrate, a first p-type GaN layer, an AlGaN layer, a hole-injection-type PN junction layer and a gate structure, wherein the gate structure penetrates the hole-injection-type PN junction layer, the AlGaN layer and the first p-type GaN layer and stops in the n-type GaN substrate, and comprises a gate metal aluminum layer and a gate silicon dioxide layer; and the hole-injection-type PN junction layer comprises a second p-type GaN layer and a second n-type GaN layer, which are distributed in the horizontal direction, and the second n-type GaN layer is located on the side close to the gate structure. Compared with a traditional U-shaped GaN MOS transistor, the AlGaN / GaN power HEMT device provided in the present invention introduces a brand-new structural design, and designs a channel structure to be longitudinal, such that an electric field distribution near a trench gate structure is changed, and the phenomenon of electric field concentration is alleviated, thereby improving the breakdown voltage and withstand voltage of the HEMT device.

The invention provides a four-channel oil supply lubricating oil pump, and relates to the technical field of mechanical engineering, the four-channel oil supply lubricating oil pump comprises a lubricating oil pump body, the lubricating oil pump body comprises an electromagnetic relay assembly, a plunger pump assembly and a shell sleeve assembly, a lubricating oil tank is arranged on the lubricating oil pump body, and a lubricating oil filter is arranged between the lubricating oil pump body and the lubricating oil tank; a crankcase is arranged below the lubricating oil pump body, an air pump is arranged on one side of the lubricating oil pump body, an electronic control unit (ECU) is connected to the electromagnetic relay assembly, the electromagnetic relay assembly of the lubricating oil pump body is installed on one side or the top of the shell sleeve assembly, and a top opening is formed in the shell sleeve assembly of the lubricating oil pump body. According to the four-channel oil supply lubricating oil pump, through the combination mode of the electromagnetic relay and the plunger pump, the pump structure can be compact, pulse signals can serve as a pump power source through coil pressurization, the structure is simple, the reliability is high, multi-channel oil supply can be achieved, driving of multiple oil pumps is not needed, and then the low-temperature work requirement is met.

The utility model relates to the technical field of electric power equipment protection, and discloses an insulation protection device for an electric power overhead line, which comprises an insulator, the left side and the right side of the outer wall of the insulator are respectively provided with an insulation cover, the tops of the adjacent sides of the two insulation covers are rotatably connected, the inner walls of the two insulation covers are respectively and fixedly connected with a support frame, and the support frames are fixedly connected with the insulator. Heat absorption cotton is fixedly connected to the outer wall of the supporting frame, reflecting plates are fixedly connected to the outer walls of the two insulating covers, waterproof layers are fixedly connected to the blocking outer walls of the two reflecting plates, and a dustproof plate is rotationally connected to the bottom of the insulating cover on the front side. According to the utility model, through cooperation of the insulating cover and the support frame, the heat absorbing cotton is stably supported, the heat absorbing cotton rapidly absorbs heat penetrating through the insulating cover, the reflecting plate reflects sunlight and reduces light intensity, and through cooperation of the insulating cover and the support frame, damage of sunlight exposure to the insulator is greatly relieved and stable performance of the insulator is comprehensively guaranteed.

The utility model discloses an omnidirectional beacon equipment operating state monitoring device, including guide rail, the guide rail on the sliding installation has the mounting panel, and the mounting panel upside is provided with the drive mechanism on the guide rail, visual module is installed to the mounting panel downside, the mounting panel side is provided with the wind box, the fan group is installed in the wind box, the air duct that communicates with its inner chamber is installed to the wind box side, be provided with the temperature and humidity sensor in the air duct. The utility model is provided with adjustable visual module of position, can to the duty room implementation feedback control box shows the working condition of omnidirectional beacon equipment, be convenient for the personnel of being located in the duty room to obtain the working information of omnidirectional beacon equipment, can be used for the monitoring of control box own working condition simultaneously, aiming at the temperature and humidity in control box being too high, this monitoring device can carry out emergency treatment in the first time, reduce the flight risk and property loss caused by control box work failure.

The invention discloses a C #-based SECS / GEM communication protocol implementation method and system and a computer readable storage medium, and is implemented based on a C # programming language and a. NET 8 technical framework, and the method comprises the following steps: S1, initialization: loading an equipment configuration file in an XML / JSON format, reading an equipment ID, a protocol version and a communication mode parameter, and storing the equipment ID, the protocol version and the communication mode parameter; the method comprises the following steps: initializing a protocol parser based on a. NET 8 framework, loading a SECS / GEM parsing rule of a corresponding version, meanwhile, initializing a communication interface, completing pre-configuration of a bottom layer communication channel, and establishing a binding relationship between equipment parameters and the parser and between the equipment parameters and the communication interface; s2, establishing connection; s3, core layer processing: on the basis of the communication link established in S2, executing three-layer cooperative processing of a protocol analysis layer, an equipment management layer and a communication interface layer; s4, performing session management; and S5, performing exception handling. The method has the advantages of being good in cross-platform compatibility, high in development efficiency, high in communication concurrency performance reliability, excellent in flexibility and expansibility, low in deployment cost, convenient to operate, maintain and diagnose faults and the like.