719results about How to "Reduce the chance of failure" patented technology

The invention provides a prompt control method and system for an indoor unit, the indoor unit and a multi-split central air conditioner. The multi-split central air conditioner comprises at least two indoor units. The prompt control method for the indoor unit is used for the indoor unit and comprises the steps that whether the coil pipe temperature and the outlet air temperature of the current indoor unit are within a working temperature range or not is detected in the operating process; and when the coil pipe temperature and the current outlet air temperature are not within the working temperature range, a dedusting prompt signal for the current indoor unit is sent out. According to the prompt control method for the indoor unit, the dust accumulation condition of a filter screen is detected by detecting the operating parameter change, caused by excessive accumulated dust on the filter screen of the indoor unit, of the indoor unit, a user is effectively reminded to remove dust in time, the heat exchange effect of the multi-split central air conditioner is ensured, and user experience is improved; and the indoor unit applying the method is simple in structure, low in cost and effective in judgment.

The intelligent measure-control system between intelligent electronic device and communication device of 10KV distribution substation comprises: an information treatment unit with a CPU electric connected to a inner memory, an external memory, a CPLD, a quartz-oscillator, and a Watchdog as well as other said units; a first and second communication unit, a measure-control unit, a system maintenance unit, and opposite control software. Wherein, preparing circuits of said information unit, two communication units and maintenance unit on one primary circuit board while the measure-control unit on expander board connected with primary board by flat cable. This invention connects to existed IED to realize collection for measure-control information and remote send to control center for remote control operation.

The invention discloses a gas tungsten arc welding (GTAW) system and a welding method thereof. The GTAW system comprises a first welding machine, a second welding machine, a wire conveying device, a first welding torch and a second welding torch, wherein the negative electrode of the first welding machine and the negative electrode of the second welding machine are connected with the first welding torch; the positive electrode of the first welding machine is connected with a workpiece; the positive electrode of the second welding machine is connected with the second welding torch; the first welding machine and the first welding torch form a main loop, so that a main loop arc is formed between the first welding torch and the workpiece; and the second welding machine, the wire conveying device and the second welding torch form a bypass loop, so that a bypass arc is formed between the second welding torch and the first welding torch. According to the method, the resistance heat of a welding wire is fully used for preheating the welding wire, and an arc heating fuse is used, so that the melting efficiency of the welding wire is improved further; due to the arc between a filling wire and a tungsten electrode and a self-adjusting function of the arc, the feeding speed of the welding wire is flexible, so that a wire clamping phenomenon is avoided, and the welding process is relatively stable; and the system and the method are suitable for various metal filling wires.

The invention relates to a sunlight corresponding apparatus, which comprises a solar energy assembly mount, a raised support bracket, a rotating support framework, a left-and-right angle corresponding driving member and a pitch angle corresponding driving member. The solar energy assembly mount is hinged on the rotating support framework that is hinged on the raised support bracket; and accurate tracking on sunlight is realized on the basis of coordinated movements of the left-and-right angle corresponding driving member and the pitch angle corresponding driving member. According to the invention, the apparatus has a simple and reasonable structure; energy consumption for running is low; and the running accuracy is high; besides, the apparatus is easy to control and is convenient for installation and daily maintenance.

The invention provides an electric car charging equipment detection and maintenance managing method and device. A detection and maintenance plan of each target charging equipment is correspondingly regulated according to the current state of the target charging equipment; and for each target charging equipment in a current failed state, a maintenance scheme corresponding to the target charging equipment is obtained through a maintenance knowledge base according to current operation information of the target charging equipment. By inspecting or maintaining the charging equipment in the abnormal state in time, the failure generation probability of the equipment is decreased, and the equipment utilization rate is increased.

The embodiments of the invention provide a shifting register unit and a driving method thereof as well as a gate drive circuit and a display device, and relates to the technical field of display, aiming at solving the problems of poor stability, short working life and high power consumption of the existing (gate driver on array) GOA circuit at the same time. The shifting register unit comprises apull-up control module, a pull-up module, a pull-down control module, a pull-down module, a reset module and M de-noising modules, wherein the de-noising modules are connected with a second control terminal, a pull-up node, a signal output end and a first voltage terminal, and are used for pulling the electric potentials of the pull-up node and the signal output end down to the first voltage terminal under the control of the second control terminal. The shifting register unit is used for outputting gate line scanning signals for a gate line connected with the shifting register unit.

The invention relates to a method for welding a chip and a lead wire of a thermal resistor, comprising the following steps: a lead wire is formed; a chip is inserted with a wire and a staged hot-air welding machine is started heating a low-temperature preheating zone, a high-temperature preheating zone, a welding zone and a heat-keeping zone in a furnace to a preset temperature; the wire rows with a good insertion are sent into the low-temperature preheating zone and the high-temperature preheating zone in sequence for preheating; the preheated chip and the wire row are sent to the welding zone; soldering tin in the lead wire is melted due to the hot air from a hot-air welding gun, which ensures the lead wire and the chip are fixedly welded together; the well welded product is then sent to the heat-keeping zone for carrying out an insulation treatment; after the insulation treatment, the product is moved out from the furnace and is naturally cooled to room temperature. The product is then self-checked, washed and dried in the air for entering the next process. In the invention, welding happens after fully preheating and the welded product is slowly cooled after insulation treatment; therefore, the chip does not experience heat shocks and generates micro-cracks; the product has good durability and liability, and decrease of the withstand voltage of the product is small. The invention has good process controllability and can realize progressive production work, thus having high output.

The invention relates to a splitting machine with an adjusting function for film production. The splitting machine comprises a base, two supports, a splitting mechanism and a polishing mechanism, wherein the splitting mechanism comprises a rotating roller, at least two limiting grooves and at least two cutting assemblies; each cutting assembly includes a moving sleeve, blades, a first support rod,a second support rod, a limiting rod, and two connection units; and the polishing mechanism comprises a guide rail, a driving assembly, a moving base, an electromagnet, a permanent magnet, a polishing block and two connection assemblies. According to the splitting machine with the adjusting function, the distance between each blade can be adjusted through the splitting mechanism so that the splitting machine can adjust the width of slit films according to the requirements; the practicability of the splitting machine is improved; and the abraded blades can be polished through the polishing mechanism, so that the sharpness of the blades is improved, the cutting capacity of the blades is improved, and the working efficiency of the splitting machine is improved.

The invention belongs to the technical field of washing machines and particularly relates to a detergent putting structure and a washing machine. The detergent putting structure comprises a water inlet valve, a water inlet pipeline and a putting device, wherein one end of the water inlet pipeline is connected to the water outlet of the water inlet valve, and the other end of the water inlet pipeline extends into the putting device and is provided with a water outlet part; a ventilation structure is disposed on the portion, between the water inlet valve and the water outlet part, of the interior of the putting device and uses hydraulic pressure difference formed when the water inlet valve is closed for draining water remaining in the water inlet pipeline and the water outlet part. The detergent putting structure can effectively overcome the defect that water easily remains in pipes and water outlet parts in putting devices; the structure is simple, the occurrence probability of faults of the washing machine is decreased, costs for production, research and development of the washing machine are reduced at the same time, and a promising market prospect is achieved.

The invention provides a uniprocessing system based on a hardware data transformation technology and a network security isolation method thereof, wherein the system and method have advantages of high security and reliability, simple structure, convenient maintenance, and high efficiency. According to the invention, the system is deployed at a network boundary that needs to protect an inner network from being attached by an outer network and prevent leakage of data of the inner network to the outer network; and unidirectional information inputting from a low-security zone of the outer network to a high-security zone of the inner network in fields including but not limited to government and defense fields as well as unidirectional information transmission from a high-security zone of the inner network to a low-security zone of the outer network in the industrial control field can be realized. On the basis of combination of the uniprocessing system with the hardware network protocol unloading structure, a TCP/UDP application layer data flow at a network input/output terminal is monitored and the application data flow direction and the return data channel width are limited. Therefore, the structure becomes simple, the maintenance becomes convenient, and the operation becomes reliable, and the efficiency is substantially improved; and the system and the method are suitable for the uniprocessing security isolation network boundary with the high bandwidth flow requirement.

The invention relates to a system for sorting articles, which is composed of sorting parts arranged in the horizontally or vertically cycled way, wherein the sorting parts are respectively equipped with transverse belts continuously driven transverse to a transport direction, on which the goods received from a transfer module are transferred to a determined location, a drive of the transverse belts is controlled by a local control unit in the sorting parts, the control unit output the instructions of an electrically-activated driver at the feed place of the articles and/or the designation place of the articles. A simple system is provided, thereby the articles can be reliably and accurately positioned on the transverse belts (3) of the sorting parts (2) at high sorting speed, the local control unit obtains a parameter of executable actions via data transmission before outputting start-stop instructions to the driver of the transverse belts, then the action is activated by a signal transmitted from the outside to the moved sorting parts.

The invention relates to a flowmeter for a final-stage channel. The flowmeter is characterized in that: after a channel (1) is filled with water, a floater (7) drives a rotating shaft (5) of a rotary angle displacement sensor (4) by a connecting rod (6) to rotate; the rotary angle displacement sensor (4) converts a mechanical signal of a rotary angle position into an electrical signal; by an outgoing line (8) of the rotary angle displacement sensor (4), the electrical signal is transmitted to a flow indicator (9); and a one-to-one corresponding relationship between the deflection angle of the dial pointer of the flow indicator (9) and the water depth in the ditch (1) is established. Flow value, corresponding to a computed or marked corresponding water depth, is carved on the dial of the flow indicator (9) in advance, and by reading a flow scale which is pointed by the dial pointer on the flow indicator (9), a specific flow value is obtained. The flowmeter has the characteristics of low investment, high reliability and convenience for use.

The invention discloses a cache cleaning method based on time prediction and directional acknowledgement for a delay tolerant network. By fusing an active cache cleaning strategy with a passive cache cleaning strategy, the method realizes the efficient cache cleaning of a redundant copy of a data packet in the delay tolerant network. Active cache cleaning cancels an invalid copy by using a TTL (transistor-transistor logic) degradation mechanism. In passive cache cleaning, through leading in a transmission control mechanism based on the time prediction and the directional acknowledgement, the validity of the cache cleaning is improved, the time delay of the cache cleaning is decreased, the consumption of a bandwidth and a storage space caused by the multi-copy transmission of acknowledgement information is reduced, and the quick and efficient cache cleaning is realized. When different delay tolerant network models have different requirements on the service quality of the cache cleaning, the method can obtain better network performance through adjusting a transmission scheme in a directional acknowledging mechanism. The method has high practicality and a wide application range, and promotes the utilization rate of the limited cache in the delay tolerant network.

The invention relates to a metagenome sample library construction method and an identification method based on a nanopore sequencing platform and a kit. The method comprises host removal pre-treatmentand sample library construction on human and animal metagenome samples by combining incomplete host removal based on the nanopore sequencing platform so as to sequence and identify the metagenomes. Compared with a conventional process flow, the method is simpler and rapider, meets the reasonable detection demands, omits flows such as library construction PCR in the identifying process, extrudes deviation caused by PCR amplification, and can be used for identifying metagenome microorganisms more truly and accurately.

The invention belongs to the technical field of cable repair, and specifically relates to an insulation repair method for a 10 kV high-voltage cable. According to the method, when the 10 kV three-core cable has a phase core breakdown fault, according to the damaged conditions of insulation and a wire core, three wire core bodies can be maintained without sawing three conductor wire cores of the cable if the conductor wire cores of the cable after breakdown are not obviously damaged, and the 10 kV high-voltage cable "main insulation repair" manufacturing process is employed at a fault wire core insulation breakdown position for rapid repair processing. According to the method, cable wire core insulation with fault breakdown can be rapidly, simply, and effectively repaired, and recovery of power transmission is rapidly achieved.

An air throttle of a small engine comprises a casing, in which disposed a step-by-step motor, an air throttle position sensor ceramic foundation board and a PCB board, an air throttle position sensor rotor is disposed between the air throttle position sensor ceramic foundation board and the PCB board connected with the air throttle shaft directly, an intake pressure sensor pasted at the back the air throttle position sensor ceramic foundation board, a inspection hole disposed at the bottom of the intake pressure sensor, an air inlet temperature sensor at the back of the PCB board electric connected with the PCB board. The air throttle position sensor and the intake pressure sensor are connected electrically with the PCB board via a jumper wire and the step-by-step motor is connected electrically with the PCB board.