121results about How to "Realize self-start" patented technology

The invention provides a method for preventing self-starting of an application. The method comprises the steps of monitoring the starting behavior of the application of a native machine, intercepting an execution function used for executing the application starting task in the activity management service progress and obtaining the package name of the application, and stopping the starting behavior of the application when the package name of the application is not an allowable item in a preset data record. Correspondingly, the invention provides a device for preventing self-starting of the application. By the adoption of the method and device for preventing self-starting of the application, the self-starting behavior and stubborn self-starting behavior of the application can be prevented, so that electricity consumption of a mobile terminal is reduced and operating speed is increased.

The invention discloses a surface-mounted permanent magnet synchronous motor sensorless direct torque control method. The method comprises a direct torque control method based on SVPWM and a flux linkage self-adaptive method, a novel method for estimating the positions and the rotating speed of rotors by a sliding mode observer and a novel compound control method which is suitable for self-detecting the positions of the rotors within a full speed range. According to the surface-mounted permanent magnet synchronous motor sensorless direct torque control method, the problem that in traditional SVPWM direct torque control, straight-axis currents are large when a motor is operated in a no-load state or under the condition that the heavy load is suddenly applied is fundamentally solved, the buffeting problem of a traditional sliding mode observer is solved, the phase delay problem of the traditional sliding mode observer caused by a low pass filter is solved, and estimation accuracy of the positions of the rotors when the motor is operated is improved. In addition, the problem that the positions of the rotors are inaccurately estimated when the motor is operated in a low speed and standstill mode is further solved, and the sensorless self-starting function can be achieved.

The invention discloses an intelligent energy-saving dehumidification and thermoregulation system and a control method thereof. The system comprises a dehumidification and thermoregulation machine and at least one regular enclosed space; the regular enclosed space is provided with a first air inlet and a first air outlet respectively; the dehumidification and thermoregulation machine comprises a central controller, an evaporator, a first condenser, an exhaust fan, a filter, a second condenser, an expansion valve, at least one dry air pipeline, at least one wet air pipeline, a second air outlet and a second air inlet; the central controller is respectively connected with a compressor, a three-way valve, an electric heater, a cooling fan, the exhaust fan and a first temperature and humidity sensor. According to the dehumidification and thermoregulation system, air in the system is circulated through the dry air pipeline and the wet air pipeline, and the central controller automatically turns on or off the compressor, the three-way valve, the cooling fan, the exhaust fan and the electric heater, so that the service life of the dehumidification and thermoregulation machine can be prolonged, energy conservation can also be realized, a plurality of regular enclosed spaces in wide distribution can be subjected to centralized automatic dehumidification and thermoregulation, and the dehumidification and thermoregulation efficiency is improved.

The invention provides a horizontal guiding drill while-drilling detection early warning system which comprises an underground while-drilling detection system and a ground signal processing and earlywarning display system that are connected with each other by a two-core communication cable, so that high speed data communication can be realized; in the construction process, the underground while-drilling detection system works under the ground and adopts active acoustic detection technology for detecting, thus completing acquisition and transmission of data of underground pipeline detection; and the ground signal processing and early warning display system works on the ground and is used for controlling the underground while-drilling detection system, processing and displaying the detection data and alarming by sound and an indicator light according to the danger level of underground obstacles. The system combines the detection technique and the drilling construction technique so as torealize while-drilling detection early warning, can effectively detect the obstacle which is about 1m far from the advance locus of a horizontal guiding drill, has higher detection accuracy and effectively reduces the construction risk.

The invention discloses a testing system for a double-fed motor and a testing method thereof. The system disclosed by the invention comprises a generator unit, a motor unit and a system starting unit, wherein the generator unit comprises a motor A and a double-fed frequency converter A; the motor unit comprises a motor B and a double-fed frequency converter B; the system starting unit comprises astator short circuit contactor A and a stator short circuit contactor B; and the motor A and the motor B are double-fed motors of the same specification and model and are in rigid connection through a coupling. The method disclosed by the invention comprises a stator short circuit rotor frequency conversion operating mode and a double-fed operating mode. In the invention, the short circuit is carried out on a stator assisting to test the motors, and a rotor is controlled by the double-fed frequency converters, thereby realizing the self-starting of a towing system. According to the invention,the problems that the speed regulation range is narrow and the double-fed motors cannot be started in the double-fed operating because of the limit of the rotor output voltage of the double-fed motors are solved; and the starting and low-speed operating of the system are realized by changing the control method of the double-fed motors, and the test cost is greatly saved.

The invention provides a water logging and air cooling combined passive containment cooling system and method. The system is completely self-started, free of intermediate control procedure and high in reliability. The is characterized by comprising a cooling pool and an air flow guide cover, wherein the cooling pool can submerge a containment, the air flow guide cover is arranged at the outside of the containment in the cooling pool, the air flow guide cover is provided with a surrounding part surrounding the containment, and a flow guide part located above the top part of the containment and extending to the atmosphere, the surrounding part and the flow guide part are connected into an entirety, the cooling pool is provided with an air inlet, and the air inlet of the cooling pool, the surrounding part of the air flow guide cover and the flow guide part form an air flow passage with a chimney effect.

An embodiment of the invention discloses a base station self-starting configuration parameter acquisition method, a base station self-starting method and equipment. The base station self-starting configuration parameter acquisition method includes: a DHCP (dynamic host configuration protocol) server receives a request message used for acquiring configuration parameters and transmitted by a base station configured as a DHCP client, and an EID (equipment identity) of the base station and/or VLAN ID (virtual local area network identity) of the base station is carried in the request message; the DHCP server inquires the configuration parameter corresponding to the base station according to the request message, if the EID is resolved, then the corresponding configuration parameter is inquired according to the resolved EID; otherwise, if a DHCP trunk equipment IP address is resolved, the corresponding configuration parameter is inquired according to the resolved DHCP trunk equipment IP address and VIAN ID, if not, the corresponding configuration parameter is inquired according to the VLAN ID. By the method, when the base station self-starting configuration parameter is acquired and the base station is self-started, dependence on the base station identity can be reduced.

The invention particularly discloses a power generation device using lift type oscillating hydrofoils to capture tidal current energy, which comprises a working platform and hydrofoils, wherein the top of the working platform is provided with a bracket connected with the working platform; both ends of each hydrofoil are mounted on a hydrofoil supporting frame which can slide back and forth along the bracket in the perpendicular direction; a floating tank is mounted on the lateral surface of the hydrofoil supporting frame; a hydrofoil position/attitude regulation system is mounted between the water tank and the hydrofoil supporting frame; the hydrofoils are connected with a hydraulic energy conversion system; and the hydraulic energy conversion system sends converted energy to a generator. By using the tidal current energy power generation device, the set can be arranged in a relatively shallow water area. The number of the hydrofoils can be regulated according to water depth, and high energy capture rate can be obtained under working conditions of high flow rate and low flow rate; the structure is simple, reliable and stable; and self start and self oscillation maintenance can be realized under the action of fluid. Thus, the power generation device has wide expected application prospects.

The invention is applicable to the technical field of laser and provides a two-dimensional material heterojunction saturated absorption mirror. The absorption mirror comprises a substrate etched with electrodes, a gold film layer covering the substrate and an atomic hierarchical two-dimensional material p-n junction film covering the gold film layer. The two-dimensional material heterojunction saturated absorption mirror further comprises an adjustable direct-current power supply, wherein the adjustable direct-current power supply is connected with the electrode. The external direct-current bias voltage amplitude is changed by exerting external direct-current bias voltages different in amplitude value of the adjustable direct-current power supply to the symmetrical electrodes of the two-dimensional material heterojunction saturated absorption mirror, the nonlinear optical properties of the two-dimensional material heterojunction saturated absorption mirror are actively optimized, and the laser properties of a pulse fiber laser are further optimized.

The invention belongs to the field of seed processing, and particularly discloses a Luolong codonopsis pilosula seed germinating device. The Luolong codonopsis pilosula seed germinating device comprises a germinating box, wherein an air inlet is formed in the bottom of the germinating box; a partition board is fixedly connected to the middle part of the germinating box; permanent magnets are arranged at the lower end of the partition board and at the bottom of the germinating box; magnetic poles of the opposite surfaces of the two permanent magnets are opposite; a nut, a connecting rod, a friction wheel and an elastic rod which are sequentially connected are further arranged inside the germinating box and below the partition board; blades are arranged on the outer wall of the nut and the outer wall of the friction wheel in the circumferential direction; the nut is in threaded connection with a reciprocating screw; a piston is connected into a piston barrel in a sliding manner; a pistonrod pressed against the friction wheel is fixedly connected to one side of the piston; a spring is fixedly connected between the other side of the piston and the piston barrel; a stirring shaft is rotationally connected to the middle part of the partition board; the lower end of the stirring shaft runs through the partition board; stirring blades are arranged at the upper end of the stirring shaft in the circumferential direction; a disc is fixedly connected to the lower end of the stirring shaft. Through adoption of the scheme, a requirement of mechanization on Luolong codonopsis pilosula seed germination is met.

The invention discloses a base station virtual local area network recognition number automatic acquiring method and a system, wherein the base station virtual local area network recognition number automatic acquiring method comprises the following steps: dynamic host configuration protocol laterally allocates the information of the base stations and periodically scrutinizes the activation state of all base stations, when the inactive state is checked, sending address resolution protocol (ARP) broadcast messages which carry with virtual local area network (VLAN) identity (ID) to the corresponding virtual links through packet transport network equipment; at the same time, the base station sides enter a self-start process, starting the DHCP process without the VLAN ID, acquiring the ARP broadcast messages which are laterally sent by a DHCP server through a relative virtual link, and acquiring the VLAN ID corresponds to the base stations from the ARP broadcast messages. The base station virtual local area network recognition number automatic acquiring method and the system realize the automatic acquisition of the VLAN ID of the base stations under a packet transport network (PTN) networking by a simple and feasible scheme, massive manpower is saved and the starting time of the base stations are accelerated.

The invention discloses a control method and terminal for preventing application self-starting, and a computer readable storage medium. Through monitoring of a current job scheduling operation of the mobile terminal and acquisition of application program scheduling information corresponding to the operation dispatch operation, whether a corresponding application program is treated by virus search and killing is determined according to the application program dispatch information; and if the application program is already treated by the virus search and killing, management and control operations of the operation dispatch operation will be started, and a self-starting behavior of the application program will be intercepted. According to the invention, whether the current application program is already treated by the virus search and skilling is determined according to the application program dispatch information corresponding to the current operation dispatch operation; and if the application program is already treated by the virus search and killing, the corresponding operation dispatch operation will be directly intercepted, and operation processes of the operation dispatching will be terminated. In this way, the self-starting of the application can be controlled from an operation source; secret waking up of the application program without backstage permission can be avoided; an unnecessary memory occupation rate of a mobile terminal system can be reduced; consumption of electric quantity of the mobile terminal can be reduced as well; and the battery life can be maximized.

The invention discloses an on-chip LDO (low dropout regulator) capable of making low-voltage fast transient response and belongs to the technical field of power supply management. A grid electrode of each power tube is connected with an output end of the output stage, and a drain electrode of the power tube is grounded through a series structure of a first feedback resistor and a second feedback resistor. An in-phase input end of an error amplifier is connected with the series joint of the first feedback resistor and the second feedback resistor, and an inverting input end of the error amplifier is connected with reference voltage, a first output end of the error amplifier is connected with a first input end of the output stage, and a second output end of the error amplifier is connected with a second input end of the output stage. A Miller capacitor is in series connection with a zero-setting resistor, the other end of the zero-setting resistor is connected with the grid electrode of the power tube, the other end of the Miller capacitor is connected with the drain electrode of the power tube. A load capacitor is connected between the drain electrode of the power tube and the ground. An inverter based rail-to-rail input operational amplifier is introduced to the error amplifier to achieve the purpose of low input voltage, and an STCB structure and a high-pass coupling structure are introduced to realize fast transient response of the on-chip LDO. The on-chip LDO realizes self-starting without extra bias network.

The invention discloses a full positive dispersion and full polarization maintaining optical fiber laser. The full positive dispersion and full polarization maintaining optical fiber laser comprises a first optical fiber coupling Faraday polarization rotating mirror, a ytterbium-doped fiber, a wavelength division multiplexer, a pump light isolator, a semiconductor laser LD, a polarization maintaining optical fiber coupling polarization beam splitter, a polarization maintaining optical fiber coupling total reflecting mirror, a polarization maintaining optical fiber coupler, a polarization maintaining single-mode fiber, a second optical fiber coupling Faraday polarization rotating mirror and a narrow-linewidth band-pass filter. Through the design of a cavity structure, when laser pulse has a single round trip in an optical fiber laser cavity, the laser pulse is amplified multiple times, pulse gains are increased, and the single pulse energy of output light pulse is higher. Through the optical fiber coupling Faraday polarization rotating mirrors at the two ends of a standing wave cavity, the whole optical fiber laser cavity compensates the linear noise and disturbance caused by the environment and is not influenced by the outside. The full positive dispersion and full polarization maintaining optical fiber laser is simple in structure, easy to debug and small in environment interference, and has broad application prospects in the industrial field.

The invention belongs to the technical field of lighting lamps, and particularly relates to a prison wall lighting lamp. The prison wall lighting lamp comprises a panel, a light source plate, a radiator, a rear cover and a mounting support, wherein the panel, the light source plate, the radiator, the rear cover and the mounting support are arranged in sequence. The prison wall lighting lamp further comprises a hidden camera and a hidden human body sensor, wherein the hidden camera and the hidden human body sensor are arranged between the panel and the radiator. The light source plate comprises a white light LED lamp and a fog passing type warm white light LED lamp. The white light LED lamp and the fog passing type warm white light LED lamp are used alternately or turned on at the same time, so that the situation that the prison wall lighting lamp can have the sufficient lighting effect in various weather environments is guaranteed; the hidden camera and the hidden human body sensor are further arranged, so that the prison wall lighting lamp has the human body sensing function and the camera shooting function, and the prison wall lighting lamp has the intelligent monitoring function through cooperation between the camera and the human body sensor. In addition, the invention provides a security and protection system of the prison wall lighting lamp.

The present invention relates to a full-polarization-maintaining mode-locked fiber laser based on various soliton state output of a chirped fiber Bragg grating. The full-polarization-maintaining mode-locked fiber laser comprises a pumping source and an all-fiber linear laser resonator composed of a wavelength division multiplexer, the chirped fiber Bragg grating, a fiber coupler, a focalizer, a semiconductor saturable absorber, a Yb-doped gain fiber and a PM 980 polarization-maintaining fiber. The pumping source is connected with the pumping end of the 980/1030 nm wavelength division multiplexer, one port of the wavelength division multiplexer is used as an output end, and the other output end is finally focused on the semiconductor saturable absorber orderly via the chirped fiber Bragg grating, the Yb doped gain fiber, the fiber coupler and the focalizer. The full-polarization-maintaining mode-locked fiber laser of the present invention is simple in structure, very small in size, lower in cost and high in mode-locked stability, can realize the self-starting, has the output pulse reaching hundreds of femtoseconds, can be widely applied to the material modulation characteristic measurement, a fiber optical frequency comb and a fiber amplification system, and has the better application prospect and business value.

The invention discloses a cascaded pumping all-optical fiber cable polarization mode-locked laser device, which comprises a cascaded pumping system, a main oscillator loop and a nonlinear optical loopmirror system. By adopting the cascaded pumping all-optical fiber cable polarization mode-locked laser device, mode-locked pulse output is realized without using a space component, and the cascaded pumping all-optical fiber cable polarization mode-locked laser device has the advantages of simple design, compact structure, high stability and high efficiency.

The invention discloses a high speed switch reluctance motor rotor with soft magnetic materials. The high speed switch reluctance motor rotor with the soft magnetic materials comprises a shaft, rotor salient poles and a rotor yoke. Two symmetrical salient pole grooves formed by two symmetrical grooves are respectively formed in the rotor salient poles and provided with soft magnetic materials occupying 40-50 percent of the salient pole grooves. The high speed switch reluctance motor rotor with the of the soft magnetic materials is capable of increasing torque output through influence of the oft magnetic materials to magnetic conductance and magnetic flux changes at air gap of the edge of the salient poles, using strong centrifugal force to keep the soft magnetic materials inside half of the grooves through the rotor structure during high speed operation of the motor, enabling the soft magnetic materials to be automatically changed at the salient poles along with the rotation of the motor and achieving duel-direction self-starting.

The invention provides a brushless harmonic excitation motor with initial self-starting capacity, and belongs to the field of electrically excited synchronous motors. The brushless harmonic excitation motor solves the problems that an existing permanent magnet generator needs to depend on expensive permanent magnet materials, flux-weakening speed expansion is difficult to achieve due to the fact that the air-gap magnetic field of the existing permanent magnet generator is difficult to adjust, and an existing electrically excited generator needs a separate exciter. A rotor core of the motor is of a four-pole structure, each pole serves as a rotor main tooth, each rotor main tooth is sleeved with an exciting winding, one end of a pole shoe of each rotor main tooth is provided with a permanent magnet made of neodymium iron boron materials, one end of the pole shoe of each rotor main tooth and the other end of the pole shoe of the adjacent rotor main tooth are arranged oppositely, the excitation directions of the permanent magnets made of the neodymium iron boron materials on every two adjacent rotor main teeth are opposite, a winding groove is formed in the middle of the pole shoe of each rotor main tooth, the four winding grooves divide the four pole shoes into eight rotor branch teeth, and harmonic windings are nested in all the rotor branch teeth. The brushless harmonic excitation motor is mainly suitable for hybrid electric vehicles.

The invention discloses an intelligent purification and cleaning device for a range hood, which comprises a smoke exhaust pipe, an outer cover, a control device, a cleaning device, and a filtering device; discharge; the upper and lower ends of the outer cover are sealed, the top of the outer cover is provided with a suction pump, and the outer bottom of the outer cover is provided with a sump; In the filter device; the control device includes a controller, a smoke concentration sensor, and a first liquid level sensor, the smoke concentration sensor is arranged in the outer cover, and the first liquid level sensor is arranged at the bottom of the outer cover; the control The device is electrically connected to the cleaning device, the smoke concentration sensor, the first liquid level sensor and the exhaust pump respectively. The present invention can intelligently sense oil fume, realize self-starting cleaning and purification device, and quickly purify oil fume.

The invention discloses a wireless intelligent program loading method based on a SoC. The method comprises the following steps of building the System on Chip (SoC); burning a loading startup code into a read-only memory; partitioning a flash memory and loading different programs; initializing a serial peripheral interface and a general asynchronous receiving-transmitting transmitter, selecting a corresponding program zone from the flash memory, and copying the program zone to a memory module; implementing a jump command, and making a processor point to the initial position of the memory module, so that self-starting of a system is achieved. The different programs in the flash program zone can be selected and loaded to the memory module by sending different commands through a terminal with the bluetooth function, loading of the different programs is achieved through wireless control, no extra interface or complex module is needed, connection with such tools as a downloading line or an IDE development environment is not needed, secondary development of chips is simplified, and the utilization rate of the chips is raised. The invention further discloses a wireless intelligent program loading system based on the SoC.