51results about How to "Avoid running abnormally" patented technology

The invention provides a variable frequency air conditioner frequency control method, a variable frequency air conditioner frequency control device and an air conditioner, and relates to the technicalfield of air conditioners. The variable frequency air conditioner frequency control method includes: confirming that the air conditioner runs under a heating mode, entering a forcing frequency control stage, and controlling a compressor to run at the maximum frequency allowed at present; acquiring first indoor environment temperature when starting the compressor; acquiring second indoor environment temperature after the compressor and an indoor draught fan both run for a first preset time; judging if meeting conditions of exiting from the forcing frequency control stage according to the firstindoor environment temperature and the second indoor environment temperature; and if yes, exiting from the forcing frequency control stage, and controlling the compressor to run at frequency confirmed according to difference value between the indoor environment temperature and set temperature. The variable frequency air conditioner frequency control method can solve running abnormity caused by uneven distribution of a temperature field to the air conditioner, automatically realizes accurate indoor environment temperature detection, guarantees accuracy and reliability of system temperature control, and improves user experience.

The invention relates to a pouring sealant for pouring a limited-angle motor stator and a pouring method. The pouring sealant comprises the components: 10 parts of epoxy resin, 1.2-1.6 parts of a component with curing and promoting effects, 5-15 parts of a filler component, and 1.5 to 5 parts of an epoxy toughening agent. The pouring method comprises the steps: 1, mounting and fixing a limited-angle motor stator into a potting mold; 2, putting the limited-angle motor stator after mold mounting into a drying oven for preheating; 3, preparing the pouring sealant according to the proportion of the components; 4, putting the pouring sealant into vacuum equipment to remove internal bubbles; 5, injecting the pouring sealant into the upper end face of the limited-angle motor stator through a sealant injection through hole of an upper mold, and achieving pouring; 6, removing bubbles in the mold in a vacuum environment; 7, putting the mold into an oven, carrying out thermocuring treatment, andcooling along with the oven after curing; and 8, disassembling the pouring mold, taking out the limited-angle motor stator, and processing to remove redundant colloid. According to the invention, theproblems of cracking of the pouring sealant and cracks among the pouring sealant, the punching sheet and the shaft sleeve are solved.

The invention relates to an adjusting method and device for preventing misconnection of double-system air conditioner connecting pipes and an air conditioner. The air conditioner comprises a first air conditioning system and a second air conditioning system, the first air conditioning system comprises a first outdoor unit and a first indoor unit, and the second air conditioning system comprises a second outdoor unit and a second indoor unit. The adjusting method comprises the steps that the first air conditioning system is started, after the preset time is achieved, an absolute value of T<inner ring>-T<first inner pipe> and an absolute value of T<inner ring>-T<second inner pipe> are compared with deltat DEG C, whether the connecting pipes of the first air conditioning system and the second air conditioning system are misconnected or not is judged according to comparative results, and the connecting pipes are reconnected and adjusted under the condition of connecting pipe misconnection, wherein T<inner ring> represents the indoor environment temperature, T<first inner pipe> represents the temperature in a heat exchanger pipe of the first indoor unit, T<second inner pipe> represents the temperature in a heat exchanger pipe of the second indoor unit, and deltat DEG C represents a preset temperature value. According to the method and device, whether the connecting pipes are misconnected or not and the misconnection mode can be quickly judged, and then reconnection and adjustment can be conveniently conducted.

The invention discloses a dust removal and ventilation device for building heating and ventilation engineering. The dust removal and ventilation device for building heating and ventilation engineering comprises an air pipe fixedly installed on an installation plate, wherein air guide grooves are formed in the air pipe and the installation plate in a matched mode; multiple clamping grooves are formed in the side wall of the end, close to the installation plate, of each air guide groove; a clamping block is connected onto each clamping groove in a clamped mode; a filter screen is arranged among the clamping blocks in a matched mode; multiple positioning mechanisms are arranged on the side wall of the installation plate; each positioning mechanism is matched with the corresponding clamping block; and multiple fixing rods are fixedly arranged on the air guide grooves. The dust removal and ventilation device for building heating and ventilation engineering has the advantages that air entering the air pipe can be filtered, so that the problem that dust enters the air pipe to cause abnormal operation of heating and ventilation equipment is avoided; multiple round rods can be driven to rotate simultaneously in the operation process of the motor, and driving force is provided for cleaning operation of the dust on the filter screen, so that manual dust removal is not needed; and meanwhile, kinetic energy does not need to be additionally arranged, so that the production and use cost of the device can be effectively reduced.

The invention relates to the technical field of electric matched products, in particular to an energy-saving intelligent filter compensation metering comprehensive protection automatic transmission which comprises a box body. The inside of the box body is provided with an active power filter, a connection electric reactor, an isolation switch, a current transformer and an outgoing breaker. The active power filter is connected to the secondary side of the current transformer of a grid through the connection electric reactor. The upper end of the isolation switch is directly connected with the secondary side of the current transformer of the grid, and the lower end of the isolation switch is connected with the outgoing breaker through the isolation switch in an outgoing mode. According to the automatic transmission, harmonic currents on a bus are eliminated in real time, the operation efficiency of the transformer is improved, operation safety of the transformer and electric equipment is guaranteed, the phenomena of abnormal operation of the transformer, system resonance and compensation capacitor overflowing caused by harmonic currents are avoided, the service life of the equipment is prolonged, and the phenomenon that a capacitance box often fails in the prior art is avoided. The box transformer structure technically has the advantages of being modularized, small in size, attractive in appearance, safe and reliable in operation, convenient to maintain and the like.

The invention discloses a firmware upgrading management method and device and a computer-readable storage medium. The firmware upgrading management method comprises the following steps: generating a random number and obtaining the whole machine bar code information of an air conditioner; generating dynamic cipher information according to the random number and the whole machine bar code informationof the air conditioner; receiving input cipher information and judging whether the input cipher information is consistent with the dynamic cipher information generated in advance; controlling the main chip of the air conditioner to enter the firmware upgrade mode when the input cipher information coincides with the dynamic cipher information generated in advance; when the input cipher informationis inconsistent with the pre-generated dynamic cipher information, the master chip of the control air conditioner not entering the firmware upgrade mode. The technical scheme of the invention can effectively manage and control the upgrading state of the air conditioner in the terminal market by locking the firmware upgrading function, and avoid abnormal operation of the air conditioner due to wrong upgrading of an external person.

The application provides a method and device for protecting against a mixed DDoS attack, applied to a protective device. The method for protecting against the mixed DDoS attack comprises the followingsteps: judging whether the received traffic is DDoS attack traffic or not; performing network layer attack protection against the traffic if the traffic is the DDoS attack traffic; judging whether the size of the traffic exceeds the software processing performance or not in the case of further confirming that the destination port of the traffic is an application layer protocol port; and performing application layer attack protection against the traffic if the size of the traffic does not exceed the software processing performance. By means of the method for protecting against the mixed DDoS attack, the large traffic mixed DDoS attack can be effectively protected against, and the system abnormal operation caused by the condition that the network layer attack protection is failed can also be avoided.

The invention provides a method for preventing upgrading errors of television software, and belongs to the field of system software version marking and identification judgment. Key points of the technical scheme are as follows: the device comprises a base; the television scans the USB flash disk or the network; searching whether to-be-upgraded software exists or not; if yes, directly reading the name and version number information of the to-be-upgraded software; comparing the information with comparison information pre-stored in a local system; if the comparison is successful, determining thatthe comparison is successful, if yes, the television reads the software labeling file from the software program code; judging whether the software name and version number information in the softwarelabeling file is correct or not; if the software program code is correct, the television reads and judges whether model information of the television exists in a matched complete machine model list inthe software program code or not; and if yes, the television reads and judges whether the software verification code in the software program code is consistent with the verification code reserved bythe television, if yes, a software upgrading process is started, and if only one link of the searching, comparing and judging processes has errors, the upgrading process is not started.

The invention belongs to the technical field of communication between named pipelines, and particularly relates to an application based on a named inter-pipeline communication mechanism. The application based on the named inter-pipeline communication mechanism comprises: starting login of a portal process, completing self-inspection of a program of the portal process, finding that upgrading needsto be carried out, starting an upgrading program non-interception program UnalbeInterceptFileSync process, and upgrading a non-interception file; switching a program running account, completing complex business processing logic between processes, completing named pipeline communication between a current running program and a Windows service process, and switching a program running identity; establishing an inter-process named pipeline mechanism, enabling a program to improve permission and reduce permission to be controllable, enabling the program to improve program operation and reduce permission in an another manner, transmitting encrypted information through named pipeline communication, and completing distribution and transmission of the encrypted information between services and eachprocess; allocating a memory space according to the process communication request; and storing the communication data into the memory space.

The invention discloses an efficient heat dissipation system for a projector, relates to the technical field of heat dissipation of projectors, and solves the technical problem that heat dissipation of the projector cannot be accurately controlled in the prior art. Hardware equipment of the projector is analyzed, and the equipment state of the projector is judged, therefore, the heat dissipation efficiency of the projector can be ensured while the running efficiency of the projector is maximized, and the situation that the running cost of the projector is increased due to the fact that the heat dissipation cost is too high is prevented; parameter limitation is carried out on heat dissipation of the projector, so that the influence on use of the projector due to untimely heat dissipation is reduced, and the equipment loss of the projector is increased; and the real-time running state of the projector is judged, the heat dissipation requirement is analyzed according to running of the projector, and meanwhile, real-time running is detected, so that the situation that the projector runs abnormally due to the fact that the temperature in the set top box is too high due to overload of the projector, and the heat dissipation efficiency is not timely is prevented.

The invention discloses a color identification method implemented by a modularized color identification device. The color identification method is implemented by the modularized color identification device, the modularized color identification device comprises a master control module, wherein the master control module is electrically connected with a power supply module, a crystal oscillator circuit and a color identification module, the color identification module is provided with a color collection area, the power supply module supplies power to the master control module, the crystal oscillator circuit produces clock frequency demanded by the master control module, the color identification module collects an optical signal emitted by a tested object through the color collection area, theoptical signal is converted into a current signal through the color identification module, then the current signal is converted into square waves, an RGB component value of the tested object is detected through the square waves and transmitted to a master control module, and the master control module performs analysis according to the RGB component value to obtain color information of the testedobject. The color identification method is convenient to use, high in accuracy rate, high in identification speed and low in detection cost.

The invention discloses a multi-sensor control circuit and a control method thereof. The multi-sensor control circuit comprises a main control unit, a sensor unit and an interface unit, wherein the sensor unit comprises a plurality of sensors arranged in a plurality of rows and a plurality of columns; the interface unit comprises a signal transmission end, a plurality of power supply positive output ends and a plurality of power supply negative output ends; each power supply positive output end is connected with a DC power supply through a switch access of a corresponding first switching circuit; each power supply negative output end is grounded through switch access of a corresponding second switching circuit; each power supply positive output end is connected with a power supply positive input end of the corresponding row / column of sensors; and each power supply negative output end is connected with a power supply negative input end of the corresponding row / column of sensors. According to the multi-sensor control circuit and the control method thereof, since only one sensor is powered on for operation at one moment, the power supply pressure is small, and the abnormal operation of the sensor and the entire control circuit caused by insufficient power supply is avoided.

Embodiments of the invention provide a file integrity detection method and apparatus, a device and a storage medium. The method comprises the steps of sending a detection instruction including file information of a to-be-detected file and detection configuration information to a terminal through a server; the terminal determines a to-be-detected file according to the file information, obtains detection parameters of the to-be-detected file according to the detection configuration information, and uploads the detection parameters to the server; and the server compares the detection parameter with a reference detection parameter of the to-be-detected file to determine the integrity of the to-be-detected file. The integrity of the file in the terminal can be checked, and the abnormal running state of the terminal caused by attack and damage of the key file of the terminal is avoided.

The invention relates to the technical field of waste PE pipe recycling, and discloses an efficient crushing device for recycling waste PE pipes. The efficient crushing device comprises a working box,a feeding port is formed in the top of the working box, a discharging port is formed in the bottom of the working box, two sets of supporting seats are symmetrically and fixedly connected to the bottom of the working box, each set comprises two supporting seats, the top end of a feeding port in the top of the working box communicates with a material guiding box, the top of the material guiding box communicates with a feeding hopper, two first rotating rods are symmetrically and rotationally connected between the left inner wall and the right inner wall of the material guiding box, and the outer circle surfaces of the two first rotating rods are symmetrically and fixedly sleeved with two guide plates. The efficient crushing device solves the problems that when an existing PE pipe crushingdevice crush PE pipes, the crushing effect is poor, in order to fully and evenly crush the PE pipes, the crushing time often needs to be prolonged, and therefore the crushing efficiency of the PE pipes is greatly reduced.

The application provides a method and device for protecting against a mixed DDoS attack, applied to a protective device. The method for protecting against the mixed DDoS attack comprises the followingsteps: judging whether the received traffic is DDoS attack traffic or not; performing network layer attack protection against the traffic if the traffic is the DDoS attack traffic; judging whether the size of the traffic exceeds the software processing performance or not in the case of further confirming that the destination port of the traffic is an application layer protocol port; and performing application layer attack protection against the traffic if the size of the traffic does not exceed the software processing performance. By means of the method for protecting against the mixed DDoS attack, the large traffic mixed DDoS attack can be effectively protected against, and the system abnormal operation caused by the condition that the network layer attack protection is failed can also be avoided.

The invention discloses a gas bearing device for a free piston type refrigerating machine. The gas bearing device comprises a cylinder, a piston body, an inflation cavity, a flow limiting mechanism and a one-way air inlet mechanism, wherein the air inflation cavity is formed inside the piston body, and a flow limiting mechanism embedded on the outer surface of the piston body communicates with theair inflation cavity; the side, close to the top of the piston body, of the inflatable cavity communicates with a compression cavity formed by the piston body and the air cylinder through the one-wayair inlet mechanism, and the one-way air inlet mechanism comprises a valve seat provided with an air inlet hole, a lift-range self-control reed capable of covering the air inlet hole and a filter element arranged in the air inlet hole; and the two ends of the lift-range self-control reed are fixedly connected to the two sides of the air outlet end of the air inlet hole correspondingly, and the filter element is arranged in the air inlet hole. According to the gas bearing device for the free piston type refrigerating machine, the lift-range self-control reed is arranged, the two ends of the the lift-range self-control reed are fixed, the one-way opening and closing degree of the filter element is limited, the lift-range limiter does not need to be additionally arranged, the filter elementis arranged to promote the operation due to blockage, the device is simple in structure, easy to machine and convenient to maintain, and the service life of the gas bearing device can be prolonged.

The invention relates to the field of software upgrading, and discloses an application program upgrading method and device, electronic equipment and a readable storage medium, and the application program upgrading method comprises the following steps: receiving a target sub-application identifier which is sent by a target terminal and aims at a to-be-upgraded application program; the target sub-application identifier is determined based on target type information of the application program; the sub-application of the application program corresponding to the target type information is adapted to the target terminal; sending an upgrading task corresponding to the target sub-application identifier to the target terminal; receiving an upgrade confirmation instruction for the upgrade task returned by the target terminal; and sending configuration information corresponding to the upgrade task to the target terminal based on the upgrade confirmation instruction, so that the application program of the target terminal is upgraded based on the configuration information. According to the application program upgrading method provided by the invention, the configuration information of the downloaded sub-application is adaptive to the target terminal during upgrading, so that the application program is prevented from running abnormally.

The invention belongs to the field of gas path monitoring, particularly relates to a monitoring structure for preventing a stirring and granulating gas seal gas path from being blocked, and aims to solve the problems that when a pressure switch is damaged or abnormal, a worker is difficult to find whether the gas path is normal or not, and irreparable loss is easily caused. The device comprises a communicating pipe, a granulator, and a stirring part and a granulating part which are used by the granulator, two air outlet ends of the communicating pipe are fixedly connected with two branch air pipes, the two branch air pipes are the same in structure, and each branch air pipe is provided with a monitoring mechanism. And meanwhile, lubricating oil in the oil storage barrel is discharged into the first guide rail and the second guide rail by pressing the push rod, movement of the sliding block is facilitated, and through the exhaust pipe and the control valve, people can conveniently monitor whether the sliding block moves normally or not, and abnormal operation of the monitoring mechanism is prevented.

The invention relates to a pouring sealant for the potting of a torque motor rotor and a pouring method. The pouring sealant is prepared from the following raw materials in parts by weight: 10 parts of epoxy resin; 7-10 parts of a curing agent of epoxy resin; 5-15 parts of a filler of the epoxy resin adhesive; 1.5-3 parts of an epoxy toughening agent; and 0.02-0.08 part of an accelerant. The method comprises the following steps of: 1, mounting and fixing a motor rotor into a potting mold; 2, putting the rotor arranged in the mold into a drying oven for preheating the rotor; 3, preparing the pouring sealant according to the proportion of each component; 4, carrying out vacuum defoaming treatment on the pouring sealant; 5, potting the torque motor rotor; 6, removing bubbles in the mold in avacuum environment; 7, putting the mold into an oven, carrying out thermocuring treatment, and cooling the mold along with the oven after curing; and 8, disassembling the potting mold, taking out thetorque motor rotor, and machining to remove redundant sealant outside the rotor. With the pouring sealant and method of the invention adopted, the problems of cracking of the pouring sealant and cracks between the pouring sealant, a punching sheet and a shaft sleeve are solved.

The invention discloses a dummy-based instruction execution method, computing equipment and a storage medium. The method comprises the steps of: submitting a first storage instruction of storage data applied in an internal memory to a processor; generating a second storage instruction according to a data storage abnormality message generated by the processor; writing in the dummy according to the storage address of the data stored by the second storage instruction; executing the second storage instruction through the processor to store data in the internal memory, and replacing the stored dummy; when a first reading instruction for reading data in the internal memory is received after the dummy is written, executing the first reading instruction through the processor, and judging whether the dummy is read or not; if the dummy is read, prompting that the read data is invalid, and executing the first reading instruction again through the processor; and if the dummy is not read, reading the data through the first reading instruction. According to the method, the atomicity of data access and storage is not lost, and the problem that some special application programs run abnormally is avoided.

The invention provides an elevator traction machine. The elevator traction machine comprises a brake shoe controller, brake shoes, emergency brakes and a control cabinet. The brake shoe controller is installed on the top of a machine base, a traction wheel is arranged in the machine base, the machine base is connected to the traction wheel through a bearing, the brake shoes are arranged above the traction wheel and are electrically connected with the brake shoe controller, the traction wheel is provided with a wheel machine controller, and the emergency brakes are installed on the traction wheel. The machine base is installed on a bottom plate, a speed change box is arranged on the right side of the machine base, a brake is arranged above the speed change box, the control cabinet is installed between the machine base and the speed change box, and a traction motor is arranged on the right side of the speed change box. Compared with the prior art, the elevator traction machine has the advantages of being convenient to use and high in safety and realizing effective braking through the brakes so as to guarantee the personnel safety and the property safety under special circumstances during elevator operation.

The invention discloses an instruction execution method based on a hash value, computing equipment and a storage medium. The method comprises the steps of: submitting a first storage instruction of stored data applied in the internal memory to the processor; constructing a data storage section in the internal memory; generating a second storage address of the stored data according to the data storage section; generating a second storage instruction according to the second storage address, the second storage instruction being suitable for storing data to be stored by the first storage instruction, and the processor not generating a data storage exception message when executing the second storage instruction; executing, by the processor, a second storage instruction to store data in a data storage section of the internal memory; generating a second reading instruction according to the first reading instruction; executing the second read instruction by the processor to read the data from the data storage section of the internal memory. According to the invention, the atomicity of data access and storage is not lost, so that the problem of abnormal operation of some special application programs is avoided.

The invention discloses an instruction execution method, computing equipment and a storage medium. The method comprises the steps of: submitting a first storage instruction of stored data applied in an internal memory to a processor; constructing a data storage section in the internal memory; generating a second storage address of the stored data according to the data storage section; generating a second storage instruction according to the second storage address, wherein the second storage instruction is suitable for storing the data to be stored by the first storage instruction, and the processor does not generate a data storage abnormality message when executing the second storage instruction; executing, by the processor, the second storage instruction to store data in a data storage section of the internal memory; generating a second reading instruction according to a first reading instruction; and executing the second reading instruction by the processor to read the data from the data storage section of the internal memory. According to the invention, the atomicity of data access and storage is not lost, so that the problem of abnormal operation of some special application programs is avoided.

The present invention discloses a dust removal device of a textile printing machine. The dust removal device of the textile printing machine comprises a textile printing machine (1). A dust outlet endof the textile printing machine (1) is connected with a dust removal pipe (2); the inside of the dust removal pipe (2) is provided with a bio-nano membrane layer (3); the dust removal pipe (2) is provided with a fan (4) with a driving motor (5); the other end of the dust removal pipe (2) is connected with a collecting box (6) with a dust inlet end; the inside of the collecting box (6) is also provided with the bio-nano membrane layer (3); the inside of the collection box (6) is also provided with activated carbon (11); the lower end of the collection box (6) is provided with an external hose(7); the external hose (7) is provided with an external hose sealing cover (8); and one end of the external hose sealing cover (8) arranged on the external hose (7) is connected with the upper end ofthe collecting box (6). The dust removal device of the textile printing machine has advantages of being relatively less in dust adsorption and convenient for cleaning, and avoiding abnormal operation.

The invention discloses an air conditioner, a control method and a control system thereof. Wherein, the method includes: during the heating operation of the air conditioner, detecting the temperature of the indoor evaporator and the temperature of the compressor, judging whether the air conditioner satisfies the defrosting condition, and if yes, controlling the air conditioner to enter the defrosting mode , and judge whether the temperature difference between the temperature of the compressor and the temperature of the indoor evaporator is greater than the preset temperature, if the temperature difference is greater than the preset temperature, the defrosting operation will be performed immediately, if the temperature difference is less than or equal to the preset temperature, then adjust the air conditioner Operating parameters to increase the temperature difference, and when the temperature difference is greater than the preset temperature, the defrosting operation will be delayed for a preset time. The method of the embodiment of the present invention can ensure the normal operation of the defrosting process of the air conditioner, thereby improving the defrosting efficiency.

The invention relates to the technical field of electric matched products, in particular to an energy-saving intelligent filter compensation metering comprehensive protection automatic transmission which comprises a box body. The inside of the box body is provided with an active power filter, a connection electric reactor, an isolation switch, a current transformer and an outgoing breaker. The active power filter is connected to the secondary side of the current transformer of a grid through the connection electric reactor. The upper end of the isolation switch is directly connected with the secondary side of the current transformer of the grid, and the lower end of the isolation switch is connected with the outgoing breaker through the isolation switch in an outgoing mode. According to the automatic transmission, harmonic currents on a bus are eliminated in real time, the operation efficiency of the transformer is improved, operation safety of the transformer and electric equipment is guaranteed, the phenomena of abnormal operation of the transformer, system resonance and compensation capacitor overflowing caused by harmonic currents are avoided, the service life of the equipment is prolonged, and the phenomenon that a capacitance box often fails in the prior art is avoided. The box transformer structure technically has the advantages of being modularized, small in size, attractive in appearance, safe and reliable in operation, convenient to maintain and the like.

The invention discloses a high-voltage instrument transformer, which comprises an outer insulating porcelain sleeve, an expander shell, a corrugated expander, a sealing plate, first insulating sealingsleeves, second insulating sealing sleeves, a primary winding, a primary wiring terminal, secondary windings, a detection box, a sealing cover, a fixing plate, secondary detection terminals, limitingblocks, springs, connecting flanges, sealing flanges, leakage-proof bases, upper covers, levers, floating blocks, ejecting blocks, micro switches, indicator lights and supporting feet. The primary winding is sealed through the first insulating sealing sleeves and the second insulating sealing sleeves, oil leakage can be prevented, insulating oil in the outer insulating porcelain sleeve can be prevented from leaking into the leakage-proof bases, and abnormality of the instrument transformer is prevented. After the sealing cover is dismounted, the two secondary detection ends pop out, and a user can conveniently carry out testing or wiring. The defect that the secondary wiring terminals of a traditional instrument transformer retract into the shell to cause difficulty in wiring is overcome.