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249results about How to "Fast startup" patented technology

Vehicle-mounted intelligent system with virtual instrument and information entertainment terminals

The invention provides a vehicle-mounted intelligent system with a virtual instrument and information entertainment terminals. The vehicle-mounted intelligent system comprises a uniprocessor platform, the virtual instrument and the information entertainment terminals, the virtual instrument and the information entertainment terminals operate in an Xen virtualization system on the uniprocessor platform, the Xen virtualization system can divide the uniprocessor platform, and the uniprocessor platform is made to support concurrent operating of a plurality of operation systems. A plurality of interaction devices on the uniprocessor platform are distributed to the different operation systems to be scheduled and used through being mapped to different addresses. The vehicle-mounted intelligent system with the virtual instrument and the information entertainment terminals integrates the virtual instrument and the information entertainment terminals, and the operation systems of the information entertainment terminals are independent and are not interfered. The virtual instrument can be loaded preferentially, and starting speed is high. The operation systems operate on the uniprocessor platform based on a virtual technology, the occupied space can be reduced, system cost and complexity can be lowered, and reliability can be improved.
Owner:ZHEJIANG ZHONGKE AUTOROCK AUTOMOBILE ELECTRONICS

Constant-pressure multiple-effect evaporation condensation sea water desalination device with air medium

The invention discloses a constant-pressure multiple-effect evaporation condensation sea water desalination device with an air medium, which mainly comprises a low-and-medium temperature heat source (13), a first-stage heating evaporator (14), an evaporation condenser (4) and a last-stage condenser (8). The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser (8) are installed in sequence closely, and the low-and-medium heat source (13) and the first-stage heating evaporator (14) are connected together. The first-stage heating evaporator (14), the evaporation condenser (4) and the last-stage condenser are all formed by combining a plurality of heat exchange plates which are arranged from left to right in sequence, and a gap is reserved between every two adjacent heat exchanging plates to form a flow channel for heat exchange fluid. By adopting the plate-type heat exchange principle, the sea water desalination device realizes multiple-effect air humidification and dehumidification evaporation and condensation for sea water desalination under constant pressure. Heat and moisture transfer is performed between sprayed sea water and overflowing air, and the condensation latent heat of fore effect heat and moisture air can be absorbed at the same time, and therefore, energy recovery is realized and the fore effect heat and moisture air can be condensed to obtain fresh water.
Owner:GUANGDONG FIVESTAR SOLAR ENERGY

Starting method and system for application container

The invention relates to a starting method for an application container and a starting system for the application container. The method comprises the following steps of creating the application container required for application operation, and configuring an operating environment; installing applications required for operation; creating a catalogue for storing a checkpoint file; starting the applications required for the operation; starting a thermophoresis module to freeze the application container and application processes after the applications required for the operation are completely started; storing resources, used the application container and the applications and collected by the thermophoresis module, in the checkpoint catalogue; firstly creating the application container required for the application operation and then reading checkpoint data stored in a hard disk in the process of starting the application container again; parsing the checkpoint data, restoring the required resources of the application container, restoring the processes of the required applications, and starting the application container. The system comprises an application operation module, a first storage restoration module, a second storage restoration module and a data storage module. The method and the system provided by the invention have the advantage that the startup of the application container is accelerated by utilization of an application container thermophoresis technology.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI +1

Printing and dyeing wastewater autotrophic denitrification denitriding device and method

The invention provides a printing and dyeing wastewater autotrophic denitrification denitriding device and method, and belongs to the technical field of printing and dyeing wastewater treatment. NO3--N (nitric nitrogen) in water is reduced into N2 via autotrophic denitrifying bacteria by taking reduced sulfur and iron as the electron donor, so that denitriding is realized. According to the printing and dyeing wastewater autotrophic denitrification denitriding device and method, through the combined packing of pyrite and sulphur and the optimum mixture ratio, the advantages of high nitrogen removal efficiency and little changes in effluent pH are achieved, and in addition, the advantages of high starting speed, no inoculated sludge and long backwashing period are also achieved; moreover, according to the TN (Total Nitrogen) condition of secondary effluent of a printing and dyeing wastewater treatment plant, the scheme that the device operates when TN exceeds the standard and stops operating when TN is up to the standard is adopted, so that secondary effluent can directly skip over the device to enter the next treatment unit or be directly discharged, and the advantages of flexible operation mode and low operating cost are achieved.
Owner:UNIV OF SCI & TECH BEIJING +2

Autothermal reforming device for producing hydrogen from natural gas

The invention discloses an autothermal reforming device for producing hydrogen from natural gas, comprising an autothermal reforming reactor, a combustion chamber outer wall, a combustor, an internal heat exchanger coiler, an external heat exchanger coiler, a combustion tail gas outlet, a flange and a mixing valve. The combustion chamber outer wall is a hollow round pipe which is internally provided with the autothermal reforming reactor, the external heat exchanger coiler comprises a natural gas heat exchange pipe and a water heat exchange pipe which are spirally wound outside the combustion chamber outer wall from bottom to top respectively, the internal heat exchanger coiler is spirally wound on a reaction pipe from top to bottom, a feed gas inlet pipe is arranged at the bottom of one side of the reaction pipe, one end of the feed gas inlet pipe is connected into the reaction pipe, and the other end of the feed gas inlet pipe is connected with the internal heat exchanger coiler through a high-temperature-resistant joint. The invention for autothermal reforming hydrogen production has high start speed, low system energy consumption, small device size and less floor area, can ensure the reaction operation, without additional energy, is convenient and practical to mount and dismount, and can be arranged in idle spaces on a balcony, under an eave, and the like.
Owner:SOUTH CHINA UNIV OF TECH

Permanent magnet brushless motor sensorless starting method

The invention discloses a permanent magnet brushless motor sensorless starting method. The permanent magnet brushless motor sensorless starting method comprises the steps that firstly, a rotor is positioned at a specific position through a rotor prepositioning device, single-step acceleration is carried out according to the given single-step acceleration current and single-step acceleration time obtained by calculation, single-step acceleration is directly switched to closed loop acceleration after being carried out, rotor position signals in a three-phase suspended state are detected every fixed period, the power-on phase sequence is determined according to the rotor position signals, whether counter potential signals are stable or not is judged through a signal comparison method while closed loop acceleration is carried out, and when stable counter potential signals can be detected within one phase conversion period, a normal counter potential method is switched to for operation, wherein the single-step acceleration and the signal comparison method can ensure that a motor is started at the highest speed, and the closed loop acceleration process can ensure that the motor supplies power accurately in the acceleration start process and step-out is avoided. By means of the method, an efficient permanent magnet brushless motor can be started accurately, rapidly and efficiently, the optimization process is simple, universality is high, the success rate of starting can be improved greatly, no sensitivity to load changes exists, and the start program does not need to be changed when loads and the working station change within a certain range.
Owner:张前

Aircraft oil tank inerting device based on catalytic oxidation technology

InactiveCN104843188ALow purity requirement of gas sourceFast startupFuel tank safety measuresFlight vehicleInjector
The invention discloses an aircraft oil tank inerting device based on a catalytic oxidation technology. High-pressure gas is imported into the device through an engine or an environmental control system, fuel oil steam and mixture other gas in gaseous phase space of the upper portion of an oil tank or fuel oil steam generated by fuel oil electric heater heating in an oil storage tank are/is pumped by two gas ejectors respectively, mixture flammable gas ejected from the gas ejectors is regulated to appropriate temperature through a regenerator, coolers and a gas electric heater then an oxidizing reaction is generated in a catalytic reactor, the fuel oil steam is converted into carbon dioxide and water steam, inert gas which is departed from the water steam is sent to the gaseous phase space of the upper portion of the oil tank or fuel oil of the lower portion of the oil tank, and an inerting aim is achieved. By adopting the technical scheme, the aircraft oil tank inerting device has the advantages that flowing and the mixture of the gas are completed by the gas ejectors, moving parts such as a draught fan are not needed, meanwhile the requirements of dive lowering and air filling increasing can be met, the structure is simple, and the operation is reliable.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Novel power-on surge current suppression circuit

The invention relates to a novel power-on surge current suppression circuit. The novel power-on surge current suppression circuit comprises a power supply circuit, a surge current suppression resistor end voltage sampling and comparison circuit, a relief resistor, a metal oxide semiconductor (MOS) transistor, a surge current suppression resistor and an optional small-capacity high-frequency filtering capacitor, wherein the power supply circuit comprises a rectification diode, an energy storage filtering capacitor and a buck voltage limitation circuit, the surge current suppression resistor end voltage sampling and comparison circuit comprises a first end voltage sampling resistor, a second end voltage sampling resistor, a reference voltage source and a comparator, a drain of the MOS transistor is connected with a DC-DC converter, a source of the MOS transistor is connected with a negative end of a rectifier bridge, a grid of the MOS transistor is connected with an output end of the power supply circuit, an input end of the power supply circuit is connected with an AC N/L end, the surge current suppression resistor is connected in parallel to the drain and the source of the MOS transistor, the relief resistor is connected in parallel to the grid and the source of the MOS transistor, and the optional small-capacity high-frequency filtering capacitor is connected between a positive end and the negative end of the rectifier bridge. With the power-on surge current suppression circuit disclosed by the application, the power-on surge current is suppressed better, the power consumption of an MOS transistor driving circuit is low, the starting speed is fast, and the power-on time allowed again is short.
Owner:GUANGDONG UNIV OF TECH

Charge pump circuit capable of preventing overshooting and being started fast and overshooting preventing and fast starting method thereof

The invention discloses a charge pump circuit capable of preventing overshooting and being started fast and a fast overshooting preventing starting method of the charge pump circuit. The charge pump circuit comprises a boost control circuit, a standard reference voltage source circuit, a feedback circuit, a fast starting reference voltage source circuit, a time-delay circuit and a switching circuit. Under an FF process angle, the time needed by standard reference voltages to reach a stable amplitude is T0, and the amplitude of temporary reference voltages obtained after starting within T0 at any moment is smaller than the stable amplitude of the standard reference voltages; under an SS process angle, the amplitude of the temporary reference voltages after starting within T0 is larger than that of the standard reference voltages at the same moment. The temporary reference voltages are adopted by the switching circuit as reference voltages to be output within T0, the standard reference voltages are adopted by the switching circuit as the reference voltages to be output after T0, output voltage overshooting under the condition of high power voltages and the FF process angle can be restrained, the starting speed of a charge pump under the condition of low power voltages and the SS process angle can be improved, and the convergence performance of the output voltages is good.
Owner:FREMONT MICRO DEVICES SHENZHEN LTD
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