105results about How to "Problems affecting use" patented technology

The invention relates to the image processing field, in particular to a projection method and device. The projection method and device are used for solving the problem that in the prior art, due to the fact that a picture to be displayed is easily blocked by an object, use of the projection system is influenced. According to the projection method and device, after an object is detected to exist in the projection area of the projection device, the object image area, located in a projection image, of the object is determined according to the position where the object is located, the blank image area in the projection image is then determined according to the object image area, and finally an image to be displayed is regulated according to the blank image area and the regulated image to be displayed is projected so that the image to be displayed can be projected to the blank projection area in a projection picture. By means of the method, a picture formed by projecting the image to be displayed can be automatically regulated to the blank position on a projection plane, and therefore the problem that use of the projection system is influenced due to the fact that the picture to be displayed is easily blocked by the object is solved.

The invention relates to the field of communication technology and discloses a method and a system achieving network redundancy and data flow seamless switching. The method includes the following steps of using a virtual router redundancy protocol (VTRP) to trigger switching of a first transmitting device to a second switching device according to the changes of links, and using an open shortest path first (OSPF) interior gateway protocol to update route information and to switch the flow direction of the data flow. Main and standby switching is achieved through the use of the VRRP, and when the main and standby states of a VRRP group switch, and the OSPF interior gateway protocol is used for updating the route information and switching the flow direction of the data flow, so that after a linkage mechanism of the VRRP and the OSPF interior gateway protocol is used for achieving the switch, the route information is timely updated, the problem that the data flow direction is wrong and therefore the use of a user is affected is avoided, and the data flow seamless switching is ensured.

The invention discloses a control method and controlling device of front-loader washing machine and a front-loader washing machine. The method comprises starting a drain valve of a front-loader washing machine at first set intervals to drain water from a washing drum of the front-loader washing machine, when a spinning instruction is received; continuously and repeatedly controlling the rotational speed of a motor of the front-loader washing machine change into a second rotational speed from a first rotational speed and then change into the first rotational speed from the second rotational speed, when that the water level in the washing drum reaches up to a first preset height is detected, and controlling the drain valve to drain water according to a rotational speed of the motor, so as to quickly discharge foam in the washing drum. The control method is simple in control mode with no additional devices, the cost is reduced, the effect that foam can be normally discharged is distinctly improved, the problem that spilled foam influences a washing machine can be solved, and the availability of the washing machine can be raised.

The invention discloses a protection method for controlling the thread exception, comprising the steps as follows: the state information of the system process is obtained and keeping record of the process names controlling the thread exception; the correspondent process number of the process name is looked up according to the process name obtained; the thread corresponding to the process number is cleared away; and the process of the process name is created. The invention perfects the management of the POSIX multithread process; gets monitored the management thread that is not monitored originally and avoids the process exception that affects the client using caused by the management thread exception.

The invention discloses a heat pump heating system and a heat pump heating method. The heat pump heating system comprises a buffer water tank and a controller. One side of the buffer water tank is connected with a heat pump heating unit to form a heat pump heating unit side loop, and the other side is connected with a heating tail end to form a heating tail end side loop. The controller is used tocycling speed of a heat-conducting medium in the pump heating unit side loop and the heating tail end side loop. The invention also discloses a heat pump heating method which uses value relations ofindoor target temperature, current indoor temperature, and water temperature of the buffer water tank to control circulation speed of the heating tail end side loop and the heat pump heating unit sideloop. The system and the method reduce start frequency of the heat pump unit, noise of the heat pump heating system is reduced, and energy-saving effect is substantial. Indoor temperature would not rapidly reduce or rise in a heating process, and user comfort level is improved.

The present invention discloses a policy control method of a third party application, a service capability exposure framework (SCEF) and a strategy and charging rules function (PCRF). The method comprises the steps that: the SCEF carries out authorization decision on the overall signed quality of service (QoS) of a third party application server (AS); a QoS request is sent to the PCRF, the QoS request is used for allowing the PCRF to carry out authorization decision on the quality of service (QoS) of a user equipment (UE) request, and a strategy and charging control rule is generated.

A method for controlling the defrosting of air-conditioner includes detecting temperature of refrigerant tube and confirming highest temperature TMAX after 10 minutes of heating operation, judging whether temperature difference TMAX between highest temperature TMAX and current temperature is over 0deg.c or not at each 4 minutes interval after 40 minutes heating operation and making said heating operation continuously be 60 minutes if it is or otherwise applying temperature being detected out at time of 0.5 second before current temperature as TMAX then judging whether defrosting should be carried out or not.

The invention provides a water tank assembly and a dehumidifier. The water tank assembly comprises a water tank, a first drainage connector, a water guiding pipe and a second drainage connector. The water tank is provided with an opening used for pouring of water. The first drainage connector is arranged in the middle-upper position of the water tank, the water guiding pipe is arranged inside the water tank and connected with the first drainage connector, and the second drainage connector is arranged outside the water tank, detachably connected with the first drainage connector and used for being connected with drainage equipment. When manual drainage of the water tank is needed, the water tank can be moved to directly pour water from the opening in the water tank only by disconnecting the first drainage connector and the second drainage connector. Due to the fact that the first drainage connector is arranged in the middle-upper position of the water tank, water cannot overflow from the first drainage connector after the first drainage connector and the second drainage connector are disconnected only by enabling the water level to be lower than the first drainage connector.

The invention discloses a high-speed automatic chip mounter capable of avoiding chip mounting deviation, which comprises a device main body, a first gear, a connecting sleeve, a first bearing, a suction nozzle connecting rod, a surface mounting suction nozzle, a dust collection box, a workbench, a third spring, a clamping device, a PCB, an anti-deviation limiting groove and a sliding rail, whereina first motor is arranged at the side end of the device main body. The high-speed automatic chip mounter capable of avoiding chip mounting deviation is provided with the anti-deviation limiting groove and a second slide block, the anti-deviation limiting groove with the same specification is selected according to the pattern of the mounted chip, an adjusting block is moved, a second sliding blockfixedly connected with the adjusting block moves, a sliding structure is arranged between the second sliding block and the sliding rail, the anti-deviation limiting groove can be driven to horizontally move, the shape of the limiting groove is consistent with the shape of the surface-mounted element, and therefore the element to be subjected to surface mounting is pre-aligned, and the problems that due to the fact that the air pressure of the surface-mounted suction nozzle is too low, the adsorption force is insufficient, and surface-mounted deviation occurs are solved.

The invention provides a terminal file processing method and apparatus, and a mobile terminal, relates to the technical field of electronics, and solves the problems that the garbage scanning waiting time of a user is relatively long, slow response and even jamming of a mobile phone are easily caused during scanning, and the power consumption is relatively high in the prior art. The method comprises the steps of monitoring battery usage state information, system operation state information and historical file processing information of the terminal; according to the battery usage state information, the system operation state information and the historical file processing information, judging whether the terminal meets a preset file scanning condition or not; and if the terminal metes the preset file scanning condition, performing garbage file scanning processing on the terminal, and storing a scanned garbage file list. According to the terminal, background garbage files can be scanned when the power of the terminal is sufficient and a system is idle, and a scanning result can be quickly displayed to the user, so that the problems of slow response and even jamming of the mobile phone during scanning and relatively high power consumption are avoided and the user experience is improved.

The embodiment of the invention provides an indoor unit control method, an indoor unit and an air-conditioner, and relates to the field of air-conditioners. The indoor unit control method, the indoor unit and the air-conditioner aim at meeting the requirement of a user for the indoor temperature when the number of people in a room is increased or decreased, and meanwhile avoiding manual adjustment on a set temperature of the indoor unit by the user. The method includes the steps that a human body number change value of a current time unit and a previous time unit of the current time unit; according to the human body number change value and the preset human body heating amount coefficient, a temperature amendment value of the indoor unit of the current time unit is determined; and according to the temperature amendment value of the indoor unit of the current time unit, a setting temperature of the indoor unit is adjusted to the target temperature. The indoor unit control method, the indoor unit and the air-conditioner are applied to control and production of the indoor unit in the air-conditioner.

The invention discloses a multi-change adjustable bird repelling device for agricultural production. The device comprises a fixed plate, a mounting frame is fixedly mounted at the top end of a shaking cylinder, a driving motor is fixedly mounted at the bottom end in the mounting frame, a gear transmission mechanism is fixedly mounted on an output shaft of the driving motor, and a rotating cylinder is fixedly mounted at the top end of the gear transmission mechanism. A pushing ring is movably installed at the bottom end of a driving cylinder, a triangular groove is formed in the portion, corresponding to a triangular rod, of the bottom face of the driving cylinder, a sealing cover is installed on the top face of the mounting frame through a screw, and the bottom end of the outer side of the driving cylinder is fixedly sleeved with a gear ring. Compared with the prior art, the device has the following beneficial effects: switching between a windy state and a windless state can be realized; continuous bird repelling is guaranteed, so that the problem that birds cannot be repelled under windless adjustment in an existing device is solved, sound can be made while rotating blades rotate, and therefore the birds can be further repelled.

The invention discloses a file encryption and decryption processing method. The method comprises the following steps: judging whether data offset of a currently processed data block is aligned with encryption and decryption granularity or not; determining whether the data block encrypted and decrypted last time has the data less than the encryption and decryption granularity length or not; callingthe data in the subsequent data block to supplement the data left by the last encryption and decryption for the remaining data with the insufficient encryption and decryption granularity length in each current to-be-processed original data block, thereby avoiding the situation of decryption failure caused by different encryption and decryption modes under different data lengths, avoiding the problem that the use of the data blocks by the data receiving end is influenced due to the change of the original data blocks caused by zero filling among the original data blocks, guaranteeing that eachdata block can be subjected to data encryption and decryption processing according to a unified data encryption and decryption mode, and reducing the decryption failure rate. The invention further provides a file encryption and decryption processing device, computer equipment and a readable storage medium, which have the above beneficial effects.

The invention provides a method for blocking an adhesive in the mixed pressing process of a printed circuit board plate. The method comprises the step of placing a flexible material, which covers a gap between a mixed pressing material and the circuit board plate, between a press plate and the surface of the circuit board plate containing the mixed pressing material. The flow adhesive can be prevented from overflowing from the gap in the laminating process through placing the flexible material in the laminating process. The surface of the laminated circuit board plate is smooth and flat, and the flow adhesive is filled in the gap uniformly, thereby effectively avoiding a problem that use of a circuit board is affected by the residual flow adhesive.

The invention relates to the technical field of monocrystalline silicon wafer processing, and discloses a stable-clamping clamping mechanism for monocrystalline silicon wafer processing. The stable-clamping clamping mechanism comprises a moving base, a first electric sliding table is fixedly installed on the left side of the top of the moving base, and a sliding block of the first electric slidingtable is rotatably connected with a rotating plate located on the right side of the first electric sliding table; and a connecting rod is slidably connected to the bottom of the rotating plate, a connector is fixedly connected to the bottom of the connecting rod, and a control device is fixedly installed on the front side of the connector. The stable-clamping clamping mechanism for monocrystalline silicon wafer processing solves the problems that a monocrystalline silicon wafer is formed by cutting a monocrystalline silicon rod through a series of processes, the monocrystalline silicon rod needs to be clamped when being taken out of a single crystal furnace, but an existing clamping mechanism only clamps the monocrystalline silicon rod through friction force in the clamping process, clamping stability cannot be guaranteed, the angle direction of the monocrystalline silicon rod cannot be adjusted after the monocrystalline silicon rod is clamped and taken out, so that the monocrystalline silicon rod is inconvenient to place.

The invention discloses a clothes dryer with a baffle plate. The clothes dryer comprises a clothes dryer body, a primary air separating duct, a filter and a filter supporting frame are arranged at thefront portion of the clothes dryer body, the filter supporting frame is installed on air inlet portion of the primary air separating duct, a supporting frame opening is formed in the upper portion ofthe filter, the filter is detachably installed in the filter supporting frame, and a baffle plate assembly capable of blocking the supporting frame opening after the filter is taken out is further arranged in the filter supporting frame. When a large amount of debris is accumulated on a filter screen, the filter can be taken down and then cleaned up, when the filter is taken down, the baffle plate assembly can be opened to block the supporting frame opening, and accordingly problem that small items such as socks and ornaments fall into the primary air separating duct to affect the use of theclothes dryer is avoided.

The invention discloses a digital e-commerce platform commodity sales inventory intelligent management method based on cloud computing, and the method comprises the steps: analyzing the sales emergency level corresponding to each commodity under each commodity type of the current inventory in each warehouse of an e-commerce enterprise; classifying the commodities of the same sales emergency level corresponding to each commodity type in the current inventory in each warehouse, screening out a matched warehouse from each warehouse corresponding to the e-commerce enterprise according to the information of the commodities ordered by the user, and analyzing the target sales emergency level corresponding to the commodity type ordered by the user; therefore, the matching warehouses are selected and screened according to the information of the commodities ordered by the user, the target delivery warehouse corresponding to the commodities ordered by the user is obtained, intelligent management of the inventory commodities of the e-commerce enterprise is realized, the defects that the traditional inventory management mode of the e-commerce enterprise is too extensive and simple and does not have a scientific management mode are fully overcome, the inventory loss of the e-commerce enterprise is greatly reduced, and the inventory management quality of the e-commerce enterprise is improved.

The invention belongs to the technical field of OCR scanning equipment, and particularly relates to a handheld scanning device based on an OCR recognition technology, the handheld scanning device comprises a scanning device body, the scanning device body is symmetrically provided with a shell and a handheld part, and an air blowing mechanism is arranged in the shell; the air blowing mechanism comprises a piston cavity, a piston disc, a sector gear and an air outlet guide pipe, a springback piece is connected between the piston disc and the piston cavity, the piston disc is connected with a square rod, the square rod is connected with a spur rack, the shell is connected with a driving belt wheel, the air outlet guide pipe is communicated with the handheld part, and the spur rack is connected with a spur rack. The handheld part is hollow and is provided with a plurality of through holes; the problems that when a large number of paper characters are scanned and recognized, people hold a handheld OCR scanner from the two sides for a long time, the temperature of the handheld part is prone to rise, sweat accumulates, when other people use the scanner subsequently, the accumulated sweat makes other people feel uncomfortable, and the use experience is affected are solved.

The invention relates to a fault early warning method, a device, equipment and a storage medium, and the method is applied to a cloud server. The method comprises the steps: obtaining the operation parameters of all parts of household electrical appliances, and enabling the operation parameters to comprise parameter names and parameter values; according to the parameter value of each parameter name and the normal value range of each parameter name, after it is determined that the household appliance has a fault, determining a fault part; determining a risk coefficient of the faulty part according to the operation parameters of the faulty part; and obtaining a risk level corresponding to the risk coefficient, and performing fault early warning according to the risk level so as to solve the problem of unreasonable fault early warning mechanism of existing household appliances.