52results about How to "Start normally" patented technology

Provided is methanol gasoline. The invention relates to the technical field of energy, and specifically relates to a methanol gasoline formula. The methanol gasoline formula includes adding a methanol gasoline compound additive to methanol by weight ratio of 0.05% for denaturation, and mixing 15-65 parts of methanol, 20-30 parts of 90 # gasoline, 10-30 parts of light aromatic hydrocarbons, and 10 parts of naphtha by weight after denaturation. The methanol gasoline is good in corrosion resistance, and generates chemical and physical adsorption to resist corrosion by inhibiting basic groups of molecules. The methanol gasoline is powerful in dynamic property, high in octane value, good in antiknock property, low in fuel consumption, and safe and reliable in use. The method makes alcohol and gasoline dissolve organically, and helps to enhance the stability without delamination and emulsification. The methanol gasoline can be used with ordinary gasoline by mixing or crossing. By using the methanol gasoline, motors are easy to start under the low temperature condition of -35 DEG C, and have no air resistance at high temperature, thereby being started normally. The methanol gasoline is suitable for gasoline and liquid fuels, and can help to save 10-25% of the fuel oil, to reduce the amount of smoke and exhaust gases, and to reduce pollution.

The invention discloses a methanol diesel fuel complex additive and a preparation method thereof. The complex additive is prepared from the following raw materials in parts by volume: 1-4 parts of diethyl phthalate, 1-8 parts of n-butylamine, 1-9 parts of isooctanol, 1-6 parts of cyclohexanone, 13-42 parts of lauryl methacrylate, 7-30 parts of mixed fatty glyceride, 1-5 parts of phenyl propargyl ether, 1-8 parts of dihexadecyl dimethyl ammonium chloride, 2-12 parts of ethyl formate, 2-14 parts of isooctyl nitrate and 1-6 parts of polyoxyethylene hexadeeylalkyl ether selies. The methanol diesel fuel complex additive can enable methanol diesel fuel to be evenly mixed and to be stably stored for more than 6 months, which effectively improves the fire behaviour of the methanol diesel fuel and inhibits the volatilization when the methanol content is higher; moreover, the production process is simple and the use is convenient, thereby being beneficial to the popularization and application of the methanol diesel fuel.

The invention discloses a power-failure-preventing upgrading method of a Linux system. In the method, before system upgrading, system backup is performed; upgrading states are marked in the system upgrading process; according to different upgrading states and upgrading types of the Linux system, system upgrading restoration is performed; and particularly, in the state of upgrading failure, the system upgrading restoration is realized in a mode of realizing system rollback by calling a standby system, so that the Linux system can be normally started.

The present invention discloses a method for actuating a direct current frequency conversion compressor. The method comprises the following procedures: 11) detecting a true vale of the electric voltage of the power supply source; and 12) according to the obtained true value of electric voltage of the power supply source, adjusting the duty ratio of the pulse width modulating signal of the frequency conversion driving electric power source to the number of the true value of the electric voltage of the power supply source, and actuating the direct current frequency conversion compressor. The duty ratio is corresponding to the voltage of the electric power source and can lead to that the direct current frequency conversion compressor obtains the direct current voltage required in normal actuating. The method provided by the invention can facilitate that the direct current voltage outputted by the frequency conversion electric power source is in an appropriate range and the direct current motor obtains an appropriate actuation driving voltage through changing the duty ratio of the frequency conversion driving electric power source at the state that the voltage of the power-line is unstable. Thereby the direct current frequency conversion compressor can be normally actuated no matter the value of the supplied voltage of the electric power source.

The invention discloses a water chilling unit and a starting control method and device of the water chilling unit. The starting control device comprises a first temperature sensor arranged at the position of a chilled water outlet of an evaporator of the water chilling unit and used for detecting the temperature of the chilled water outlet, a second temperature sensor arranged at the position of acooling water outlet of the condenser of the water chilling unit and used for detecting the temperature of the cooling water outlet, and a controller connected with the first temperature sensor and the second temperature sensor, connected with an electronic expansion valve and a compressor of the water chilling unit and used for adjusting the opening degree of the electronic expansion valve to reach the preset time and then controlling starting of the compressor. By the adoption of the water chilling unit and the starting control method and device of the water chilling unit, the problem thatdue to the fact the compressor is started when the water chilling unit is in a temperature difference treatment state, high-temperature protection of a frequency converter or a motor is caused is avoided, and it is ensured that the unit can be started normally under the condition that the temperature of chilled water is higher than the temperature of cooling water in high-temperature weather.

The invention discloses a metal stack fuel cell low-temperature start-up heat control system and an operation method. The metal stack fuel cell low-temperature start-up heat control system comprises an external heat source heating system, an internal heat source heating system, a pressure / temperature patrol inspection system and a control system. The external heat source heating system is used forheating the metal stack from the outside; the internal heat source heating system is used for heating the metal stack from the inside; the pressure / temperature patrol inspection system is used for patrol inspection of the pressure and temperature on the metal stack fuel cell; the control system is used for integrated control of the metal stack fuel cell before and after the low temperature start-up is completed. The invention effectively enables the metal stack fuel cell to start quickly by utilizing the heat system integrating an external heat source and an internal heat source without usingtoo much auxiliary equipment, and effectively alleviate the permanent damage to the metal stack caused by the start-up failure.

The invention provides a motor starting method and device. The motor starting method comprises the following steps: a positioning acceleration time period: according to a current positioning instruction carrying a positioning current value and a motor positioning instruction carrying a frequency value, respectively inputting current to a q axis and a d axis of a motor; an asynchronous dragging time period: maintaining the input current of the q axis and the input current of the d axis, and asynchronously dragging the motor to rotate according to preset rotating direction and stepped cycle command frequency; when running frequency of the motor reaches asynchronous dragging target frequency, calculating a position estimation angle of the motor in a position estimation manner; judging whetherthe position estimation angle is within an adjustable angle interval, if so, controlling the motor to enter a position sensor free speed closed loop transition phase and a position sensor free closedloop control phase in sequence; otherwise, continuing to asynchronously drag the motor to rotate. By adoption of the scheme provided by the invention, the motor can be normally started in the case ofhigh load.

The invention relates to a fuel cell system and a low-temperature starting control method thereof. In the low-temperature starting process, the voltage of a galvanic pile is controlled in a staged mode through an electronic load, the output current of the galvanic pile is controlled in a staged mode, a drying film can absorb generated water easily, the performance of the galvanic pile is improved, and the heat yield of the galvanic pile is further increased by controlling the voltage of the galvanic pile. The galvanic pile is heated, and pore spaces of the catalyst layer and the diffusion layer are fully utilized; besides, the generated electric energy is directly supplied to the PTC to heat the cooling liquid, and in order to prevent the PTC from being overheated and discontinuously starting a water pump, the opening degree of a thermostat is controlled to enable the fuel cell system to work in a small cycle, and the PTC directly heats the cooling liquid. Compared with the prior art, quick start of the fuel cell in a low-temperature environment is facilitated, the low-temperature starting success rate of the fuel cell is improved, and the service life of the fuel cell at a low temperature is prolonged.

The invention relates to an inertial load starting method and system. The method comprises that a running current of a motor is obtained, and a torque current of the motor is calculated according to the running current of the motor; whether the torque current of the motor is greater than a preset torque limit value is determined; if YES, a power off instruction is executed, and current and torque output to the motor is stopped; the motor continues to rotate in the present rotation direction on the basis of inertia; the rotation direction and speed of the motor are identified continuously, when the rotation direction of the motor is changed to a direction opposite to the present rotation direction, an output torque is applied to the motor according to the rotation speed so that the motor rotates in an accelerated way in the changed rotation direction; and the steps are repeated till the torque current is lower or equivalent to the torque limit value and the rotation frequency of the motor is greater than a preset frequency threshold, and then, the motor is controlled to rotate normally.

The invention discloses a radio remote head unit starting processing method and a system thereof. The method comprises the following steps: a base-band processing unit searches a first radio remote head unit which is not configured with an identification (ID) number in an accessed radio remote head unit; the base-band processing unit distributes a virtual ID for the first radio remote head unit in a preset virtual ID; the first radio remote head unit executes a starting operation according to the virtual ID. According to the starting processing method and the system provided in the invention, the base-band processing unit searches the first radio remote head unit which is not configured with the ID in the accessed radio remote head unit and distributes the virtual ID for the first radio remote head unit, the first radio remote head unit executes the starting operation according to the virtual ID, thus when the radio remote head unit accesses the base-band processing unit, in a case of not configuring the ID distributed by a network management, normal starting of the radio remote head unit is ensured.

The invention discloses a high-voltage unit for integrated xenon lamp which is arranged in a xenon lamp voltage booster circuit and connected with a xenon lamp ignition capacitor of a component of a xenon lamp main body, and is characterized in that the high voltage unit and the ignition capacitor are packaged and fixedly sealed into a whole body by epoxy resin and arranged on a lamp holder of the xenon lamp main body. The high voltage unit and a xenon lamp tube are fixedly arranged into the whole body. The high-voltage unit for integrated xenon lamp has the advantages of simple structure, small size, safety, reliability, etc.

An electrically conductive hot patch material for DC arc furnace contains MgO (81-85%), CaO (1-2%) SiO2 (0.5-1.5%), Fe2O3 (0.5-1.0%), Al2O3 (0.2-1%), C (5-10%) and Mg+Al (2-3%), and is prepared through choosing electric melting magnesium sand and carbon material, crushing, sieving, adding binder and additive, and mixing. Its advantages include low cost, high flowability, electric conductivity andanticorrosion nature, and long service life.

The invention relates to the technical field of hydraulic pressure, in particular to a hydraulic starting system and method used at the low temperature and an engineering machine. The system comprises a power mechanism, a metering pump, an electromagnetic valve, an execution system and a hydraulic oil tank; the power mechanism provides driving power for the metering pump, an oil supply path of the metering pump is communicated with an oil inlet of the electromagnetic valve and an oil inlet of the execution system, and an oil outlet of the electromagnetic valve and an oil outlet of the execution system are communicated with the hydraulic oil tank; when the electromagnetic valve is powered on and opened, the power mechanism provides driving power for the metering pump so as to enable the metering pump to suck hydraulic oil from the interior of the oil tank, one part of hydraulic oil flowing out of the metering pump enters the execution system, the other part of the hydraulic oil flowing out of the metering pump enters the electromagnetic valve, the pressure difference of the electromagnetic valve is far less than the maximum pressure relief value of the metering pump, and when the power mechanism is started, the resistance moment of the execution system to the power mechanism is reduced, and cold starting of the power mechanism is achieved.

The invention provides a fuel cell low-temperature startup system and an operation method. The low-temperature startup system includes: a fuel cell system and a coolant circulation system; the coolant circulation system includes: an air-coolant heat exchanger, a hydrogen ‑Coolant heat exchanger, hydrogen catalytic combustion heat exchanger, water pump, radiator; air‑coolant heat exchanger on the air delivery line of the fuel cell system; hydrogen‑coolant heat exchanger on the hydrogen delivery line; hydrogen The catalytic combustion heat exchanger is used to heat up the cooling liquid circulating in the cooling liquid circulation system and communicate with the hydrogen source of the fuel cell system through the first hydrogen delivery branch; circulate in the circulatory system. The above-mentioned low-temperature start-up system can realize rapid start-up of the fuel cell in a low-temperature environment, and ensure the operating life of the fuel cell at low temperature, which can effectively reduce the failure rate of the fuel cell in low-temperature operation.

The invention discloses a method for preventing failure during engineering machine starting. The starting process is divided into two stages, specifically, in the first stage, a main controller controls the absorption power of a hydraulic main pump through an electric proportional control valve to be increased to 3-10% of the target power of the hydraulic main pump at the rate k1; in the second stage, the main controller controls the absorption power of the hydraulic main pump through the electric proportional control valve to be increased to the target power of the hydraulic main pump at therate k2; and the first stage is the former 0.6-1s of the starting process, and the rate k2 is 2-6 times of the rate k1. In the starting process, the absorption power of the hydraulic main pump is controlled to be matched with the power of a diesel engine, the load of the diesel engine in the initial stage of starting is reduced, thus the diesel engine can be started normally, and the problem of black smoke during load starting of the diesel engine is avoided; and a starting control system of an engineering machine does not need to be transformed, and the transformation cost is saved.

The invention provides a refrigerator control method, a controller and a refrigerator. The refrigerator control method is used for controlling the air-cooled refrigerator, the air-cooled refrigeratorcomprises a refrigerating chamber and a freezing chamber, and a compressor and a draught fan are installed in the freezing chamber. The method comprises the steps that after the refrigerator is powered on, the current environment temperature is detected, and if the current environment temperature is higher than or equal to a first temperature threshold value, the freezing temperature of the freezing chamber is detected; and if the freezing temperature of the freezing chamber is higher than or equal to a second temperature threshold value, the compressor is controlled to be started up, and thedraught fan is controlled to be started up after being delayed for a first time period relative to the compressor. According to the refrigerator control method, the problem that the system load of theair-cooled refrigerator is high under the high environment temperature during an initial start and does not facilitate normal start of the compressor can be solved.

The embodiment of the invention provides a controlling method and device of a terminal and an intelligent terminal, relates to the technical field of terminal control, and can solve the problem that the terminal can not be normally started due to mistakes appearing on some applications. The controlling method of the terminal comprises the steps of detecting a starting state of a terminal operating system; eliminating caching data of a preset application in the operating system when the starting state is detected to be abnormal so as to make the preset application recover to a factory setting state. The controlling device of the terminal comprises a detecting module and an eliminating module, wherein the detecting module is used for detecting the starting state of the terminal operating system, and the eliminating module is used for eliminating the caching data of the preset application in the operating system when the starting state is detected to be abnormal so as to make the preset application recover to the factory setting state. The intelligent terminal comprises the controlling device of the terminal. According to the technical scheme, the controlling method and device of the terminal and the intelligent terminal are mainly used for the controlling process when the intelligent terminal can not be normally started.

The invention discloses and provides a credibility measuring system and method, the system is realized based on a domestic platform, the system has an independent hardware environment and a storage function, a security card adopts a PCIE interface, output signals comprise a bus data switching signal and a computer reset signal, and the security card is inserted into a PCIE slot special for a computer mainboard; the security card reads static data and dynamic data of the computer BIOS, checks and calculates the read static data and dynamic data through a certain algorithm and compares the readstatic data and dynamic data with a pre-stored check value, and if the read static data and dynamic data are inconsistent with the pre-stored check value, the computer is forbidden to be started; andif the verification result is passed, outputting an enable signal, setting a reset signal of the computer to be high, and starting the computer to start normally.

The invention discloses an automatic snow sweeper and a motor starting method. The automatic snow sweeper comprises a main body, a driving module, a moving module, a control module and a working module. The moving module is used for driving the automatic snow sweeper to move, and the driving module comprises a motor and is used for driving the moving module to move and / or driving the working module to perform a work task. The method includes the steps that the automatic snow sweeper is controlled to enter a pre-heating mode; and in the pre-heating mode, the automatic snow sweeper is controlledto heat the motor in a preset manner. In the pre-heating mode of the motor, heat generated by the motor or heat generated by a heating device can heat the motor, so that the motor can be normally started and safely stored in a low temperature environment, and the automatic snow sweeper can also adapt to various application scenarios. In addition, parameters of the motor are monitored in the pre-heating mode, and it is ensured that the motor cannot be damaged by excessive preheating.

The invention discloses a fuel control device of a dual-fuel automobile. The device comprises a first fuel box, a first fuel pump, a fuel nozzle and an engine, and is characterized by also comprising a second fuel box and a second fuel pump; the first fuel box is filled with alcohol fuel, and is communicated with the fuel nozzle through the first fuel pump and a first fuel pipe; the first fuel pipe is provided with a first check valve which prevents the alcohol fuel from flowing reversely into the first fuel box; the second fuel box is filled with gasoline, and is communicated with the fuel nozzle through the second fuel pump and the second fuel pipe; the second fuel pipe is provided with a second check valve which prevents gasoline from flowing reversely into the second fuel box; the fuel nozzle is communicated with the second fuel box through an oil return pipe which is provided with a pressure valve; the device also comprises a relay which controls the second fuel pump; a normally closed contact of the relay is connected with a conversion switch, and the other normally closed contact is connected with a bond strap; and a normally open contact of the relay is connected with the second fuel pump, and the other normally open contact is connected with a normally used fire wire. Through the fuel control device, the engine starting of the automobile is not influenced by alcohol fuel, and the engine can be started normally.

The invention relates to the technical field of new energy vehicles, and provides a power battery state-of-charge lower limit control method and device and a vehicle. The power battery state-of-chargelower limit control method comprises the steps: detecting the lowest environment temperature within at least one period of time; according to the lowest environment temperature in the at least one period of time, predicting the lowest environment temperature in a preset time period after the at least one period of time; according to the lowest environment temperature in the preset time period, determining a lowest state-of-charge value capable of meeting the engine starting power requirement of the vehicle at the lowest environment temperature in the preset time period; and adjusting the lower limit value of the state of charge according to the minimum state of charge value. According to the invention, the SOC value of a battery in the low-temperature environment can be ensured to enablethe vehicle to be started normally.

The invention belongs to the field of air purification devices, and particularly relates to an ozone purification device control method capable of prolonging the service life and a purification device. The ozone purification device is provided with a control module, a power supply module, a fan and an ozone generator, wherein the power supply module supplies electric energy to operations of the fan and the ozone generator; the control module controls the power supply module to supply the electric energy to the fan and the ozone generator; the fan is used for driving air flow to pass through the ozone generator to disperse ozone. The ozone purification device is characterized in that when the ozone purification device is started, the control module controls the power supply module to supply current Q1 to the ozone generator; after the interval of H1, the control module controls the power supply module to supply current Q2 to the ozone generator; Q1 is greater than 1.05 times of Q2, and H1 is larger than or equal to 2s and smaller than or equal to 6s. The purification device adopts the method. Compared with the prior art, the control method provided by the invention can meet the condition of making the ozone generator started normally, and also avoid long-time and high-current work of a power supply, so as to effectively prolong the service life of the ozone purification device.

The invention relates to a device for freezing prevention and heat preservation of a generator set in winter. The device comprises a box body and the generator set arranged in the box body, wherein the generator set comprises an engine and a generator driven by the engine, an anti-freezing system is arranged on the generator set, the anti-freezing system comprises a radiator arranged on the outer side of a rotor of the generator set, a corresponding fan is arranged on the inner side of an air inlet of the radiator, the fan is installed on the rotor of the generator set and used for rotationally feeding air, a heating belt is arranged between the inner side of the air inlet of the radiator and the fan, so that heat emitted by the heating belt heats air and is transmitted to the generator set in an accelerated mode through the fan, and normal starting and operation of the generator set in a cold environment are ensured. According to the device, the anti-freezing system capable of automatically monitoring and starting in the closed generator set can be adopted in cold seasons and regions so as to adapt to the cold application environment, and it is guaranteed that the generator set can be normally started and run in the low-temperature environment.

The invention relates to a task starting method and device, electronic equipment and a storage medium, and relates to the technical field of computers. The method comprises the steps of obtaining a dependency relationship between task identifiers and tasks; determining a dependency path of each task in a plurality of tasks according to the task identifier and a dependency relationship between the tasks; determining whether a task failed to start exists in at least one task corresponding to the target dependency path according to the target processing sequence; and when the task failed to start exists in the at least one task, determining that the target dependency path is abnormal. According to the method and the device, the electronic equipment can reasonably and effectively determine the abnormal condition in the task processing process, so that the abnormal determination efficiency is improved, and effective starting of each task can be ensured. Furthermore, by processing the abnormal condition, the abnormal condition can be repaired, so that the target application program can be normally started.

The invention discloses a partitioning method for a system disk, and the method comprises: carrying out the partitioning of the system disk according to a data read-write frequency, and obtaining a preset number of partitions, wherein the preset number is greater than or equal to 2 and less than or equal to 4; storing the log data into the partition with the maximum data read-write frequency; andstoring the system startup file to other partitions so as to carry out system startup through the system disk. The log data and the system startup file are separated to different partitions to be stored, so that normal system startup is not influenced by damage of the log data, and the system startup stability is improved. The invention further discloses a partitioning device of the system disk, aserver and a computer readable storage medium, which have the above beneficial effects.

The embodiment of the invention discloses a generator charging circuit, a generator and a generator starting method. The generator charging circuit comprises a direct current input end, a controller and at least two charging circuits, and each charging circuit comprises a voltage regulating module, a selector switch and a charging interface which are connected in sequence; and the selector switch comprises an input end, a first output end and a plurality of second output ends, the input end of the selector switch of each charging circuit is connected with the voltage regulating module, the first output end of the selector switch is connected with the charging interface of the charging circuit, and the plurality of second output ends of the selector switch are connected with the charging interfaces of other charging circuits. Before the generator is started, the controller enables the input end of the selector switch in the charging circuit without battery access to be connected to the second output end, the voltage regulating module of the charging circuit without battery access is clamped by batteries of other charging circuits, and the voltage difference of electronic devices of the voltage regulating module is within a voltage withstanding range. And the electronic device is prevented from being damaged by an overlarge voltage at the starting moment of the generator.

The invention discloses an air conditioner compressor starting control method, device and equipment and a storage medium. The method is applied to an air conditioner compressor starting control system. The air conditioner compressor starting control system comprises a main control module, an indoor temperature sensor and an outdoor temperature sensor. The indoor temperature sensor and the outdoortemperature sensor are both electrically connected with the main control module. The indoor temperature sensor collects an indoor return air temperature and sends the indoor return air temperature tothe main control module. The outdoor temperature sensor collects an outdoor environment temperature and sends the outdoor environment temperature to the main control module. According to the technicalscheme, first indoor return air temperature information collected by the indoor temperature sensor and first outdoor environment temperature information collected by the outdoor temperature sensor are obtained, a compressor is controlled to be started according to the first indoor return air temperature information and the first outdoor environment temperature information so as to enable the compressor to be in a refrigeration state, and thus the compressor is adjusted to be normally started at different rotating speeds according to different outdoor and indoor temperatures.

The invention discloses a device start-up method, a storage medium and an automatic vending machine, and relates to the technical field of vending machines. The device start-up method is used for theautomatic vending machine, the automatic vending machine comprises a first device and a plurality of second devices, and the power of the second devices is greater than that of the first device; and the device start-up method includes the steps that the multiple second devices are started at intervals; and the first device is started. According to the device start-up method, the storage medium andthe automatic vending machine, the phenomenon of overload power failure caused by starting of the automatic vending machine can be avoided, and thus it is ensured that the automatic vending machine can start normally.

The embodiment of the invention provides a verification method and device when an application program is started, electronic equipment and a storage medium. The method comprises the steps that when astarting request for an application program is received, a calling request for a Provider method of the application program is monitored through a hook function; when a calling request for a Providermethod of the application program is monitored, intercepting the calling request, and taking a target package name for starting the application program as response information of the calling request;and performing identity verification on the application program based on the target package name. In the embodiment of the invention, the target package name used for starting the application programis used as the response information of the call request, so that the system performs identity verification on the application program based on the returned target package name, the verified package names are consistent at the moment, verification errors are avoided, and the application program can be ensured to be normally started.