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 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 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.

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 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 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 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 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.