111results about How to "Adjust power" patented technology

The invention provides a megawatt wind power generation adjustable blade bearing friction moment numerical control testing machine and a testing method. The tested bearing outer ring is fixed on the machine rack; a main axis is equipped, one end of the bearing inner ring is fixed on the bearing inner ring, the other end is equipped with a radial and axial loading mechanism, in which the radial and axial load cylinder are separately pressured, and is equipped with variable-frequency motor of torque sensor, the driving pinion is meshed with the tested bearing inner ring, which form the loading and transmission system. The testing machine is determined by force analysis and analog loading principle, which is reasonable and reliable, and has simple structure and small size. The closed-loop numerical control system, which is composed of an industrial computer, a hydraulic pressure control member, a hydro cylinder, a feedback element and other components, can realize overall monitor, data collection, analysis, process, and number and graph double output; the size, direction, variation period of the load are accurate, the curves of the load output and friction torque are intuitive, the testing process is highly automatic. And the invention can be matched with manual adjustment. The machine is shutdown automatically if any failure happens. The test provides data support for the bearing wind turbines, which assures that the machine can meet the test need after loading.

The invention discloses a microwave photonic zero-intermediate-frequency receiving device and method. The method relates to the technical field of microwave and the technical field of optical communication. The method is as shown in the drawings. The device comprises a laser (LD), a polarization multiplexing Mach-Zehnder modulator (PDM-MZM), an erbium-doped optical fibre amplifier (EDFA), a wavelength division multiplexer (WDM), polarization controllers (PCs), a polarization beam splitter (PBS) and balance photoelectric detectors (BPDs). Modulation and polarization multiplexing of radio-frequency (RF) and local oscillator (LO) signals are carried out by utilization of the PDM-MZM; the WDM separates upper and lower optical sidebands; the PCs are respectively utilized for adjusting the polarization states of optical signals; and finally, the two BPDs respectively output I-channel and Q-channel baseband signals. By means of the microwave photonic zero-intermediate-frequency receiving device and method disclosed by the invention, zero-intermediate-frequency receiving is realized through a photonic method; the electronic bottleneck in the traditional electric field technology can be overcome; and the microwave photonic zero-intermediate-frequency receiving device has the advantages of being wide in working band, high in IQ balance degree, inhibited in direct-current offset and even-order distortion, electromagnetic-interference-resistant and the like.

The invention provides a pneumatic pipeline robot system based on pneumatic tendon, which comprises a first supporting module, a stretching module and a second supporting module successively connected with each other, wherein the pneumatic tendon is served as the stretching module. The pneumatic pipeline robot system based on the pneumatic tendon provided by the invention is based on a bionic wriggling mode, adopts an external air source, is in a multi-section wriggling form and utilizes the simple and easy as well as practicable pneumatic pipeline robot with pneumatic element design; the structure is simple; the operation is easy; through a bending pipeline, and the matching of the corresponding operation mechanism, the monitoring and maintenance of the pipeline can be realized. The pneumatic pipeline robot system based on the pneumatic tendon provided by the invention has the advantages of high power, excellent dynamic characteristics, excellent sealing property and application to various pipeline environments.

The invention relates to an atmosphere condensation water collecting device for using natural energy. The atmosphere condensation water collecting device comprises a power supply module, a refrigeration module and a collecting module, wherein the power supply module, the refrigeration module and the collecting module are connected in sequence, the refrigeration module is used for collecting moisture in atmosphere, and the collecting module is used for collecting condensation water obtained through the refrigeration module. The power supply module is used for converting the natural energy into electric energy and outputting the current to the refrigeration module; the power supply module comprises a solar panel, a wind power generation unit and a storage battery unit; the solar panel and the wind power generation unit are connected with the storage battery unit; and the storage battery unit is connected with the refrigeration module. According to the atmosphere condensation water collecting device, the solar energy and the wind power are adopted for providing electric power and are sourced from the natural energy, and external energy is not needed, so that environment hazards cannot be generated. The atmosphere condensation water collecting device can run under the condition that no power system and power system supply the energy; and convenience is brought to outdoor application.

The invention discloses an electronic power converter. The converter comprises a transmission mechanism and a double-fed motor, the left end of the transmission mechanism is connected with a wind machine through rotating shafts, the output end of the transmission mechanism is connected with the double-fed motor through control wires, and the signal end of the double-fed motor is connected to power grids through power windings, wherein the output end of the double-fed motor is connected with PWM rectifiers through control windings, and the PWM rectifiers are connected with the power grids in a series-parallel connection structure; the double-fed motor adopts a wound-rotor asynchronous generator and is provided with stator windings on the left end, the right end of the double-fed motor is connected with resistors and stabilivolts through the stator windings separately, and the control ends of the stabilivolts are in parallel connection with the rectifiers, so that the volume of a relative total-power converter is greatly reduced, the reliability of system operation is improved, and the technical scheme of the electronic power converter can serve as an optimum proposal for variable-speed constant-frequency power generation in wind power generation.

The invention discloses a door hinge. The door hinge comprises a fixed machine body, a linkage assembly, a movable machine body and a self-closing mechanism; a first connecting shaft and a second connecting shaft are arranged in the fixed machine body in the length direction; the two ends of the linkage assembly are hinged to the fixed machine body and the movable machine body correspondingly; a sliding block capable of sliding in the depth direction of the movable machine body is arranged in the movable machine body, one end of the sliding block is hinged to one end of the linkage assembly, and one side of the sliding block is provided with a track straight face and a track inclined face inclining towards the interior of the sliding block; the self-closing mechanism is arranged on the side, close to the track straight face, in the movable machine body and is of a telescopic structure, one end of the self-closing mechanism abuts against the side face of the sliding block, and when the end of the self-closing mechanism abuts against the track inclined face, the sliding block is driven to slide towards the interior of the movable machine body. The door hinge is a concealed hinge and meanwhile has an automatic closing function.

The invention discloses a sterilization control method and device and an air conditioner. The sterilization control device is arranged in the air conditioner and comprises an ultraviolet sterilizationcomponent, a temperature measurement component and a control component, wherein the control component is connected with the ultraviolet sterilization component and the temperature measurement component correspondingly. In the process that the ultraviolet sterilization component is started for sterilization, the ultraviolet sterilization component can be detected through the temperature measurement component, and the working mode of the ultraviolet sterilization component is adjusted and controlled according to an obtained temperature value, so that the ultraviolet sterilization component is prevented from working in the environment with too high temperature, and the service life of the ultraviolet sterilization component can be effectively prolonged.

The invention provides a laser etching aluminum alloy surface texturing method, and belongs to the technical field of aircraft aluminum alloy skin processing. The method includes the steps that a galvanometer in a laser processing device is adopted to control a laser scanning path; and different texturing surfaces are etched on the aircraft aluminum alloy skin surface, the scanning speed is 2000 mm/s, the frequency is 90 kHz, the pulse width is 0.35 microsecond, the number of scanning is one, the space is 0.3 mm, the spot diameter is 50 microns, and the power is 24 W. By changing the laser scanning path, the texturing structures are etched on the aluminum alloy surface, so that the surface roughness and the surface wetting performance of aluminum alloy skin are increased, and the adhesionforce of an aluminum alloy surface coating is increased.

The invention relates to the technical field of medical instruments, in particular to a pressure adjusting device for a laparoscopic suction device. The pressure adjusting device comprises a casing, atelescopic hose installed at the upper end of the casing through a hose joint and the laparoscopic suction device installed at the other end of the telescopic hose. The lower end of the hose joint extends into the inner cavity of the casing and is connected to a negative pressure generating assembly through a first connecting pipe, and a pressure regulating device body is mounted on the side wallof the first connecting pipe. The pressure adjusting device overcomes the shortcomings in the prior art, is reasonable in design and compact in structure, and adjusts the negative pressure accordingto the pressure change inside the laparoscopic suction device through the PLC intelligent control. At the same time, the pipeline structure convenient to stretch is combined to stretch the device intothe abdominal cavity of a patient for a surgery, and the safety of the patient is effectively ensured.

The invention relates to an intelligent dehumidifier controlled by a mobile phone and overcomes defects in the prior art. The technical scheme is that an air inlet of a dehumidifier body is connected with an air inlet fan, an air inlet humidity detector is arranged at the air inlet of the dehumidifier body in a matched manner, an air outlet of the dehumidifier body is connected with an exhaust fan, and an air outlet humidity detector is arranged at the air outlet of the dehumidifier body in a matched manner; a compressor is fixed in the dehumidifier body; a wireless communication chip, a fan driver, a compressor driver and a control chip are all mounted in an electric control element fixing bin, the wireless communication chip is electrically connected with the control chip, the control chip is connected with the air inlet fan and the exhaust fan through the fan driver and is connected with the compressor through the compressor driver, and the wireless communication chip, the air outlet humidity detector and the air inlet humidity detector are all electrically connected with the control chip.

The invention discloses an instant-heating-type electromagnetic water heater which comprises a shell and an electromagnetic heating device assembled in the shell, wherein a water inlet pipe and a water outlet pipe are connected to the shell; the electromagnetic heating device comprises a heating device body and a heat radiator for heat radiation of the heating device body; the electromagnetic heating device body is in the shape of a short cylinder and comprises a front heating surface and a rear heating surface; the instant-heating-type electromagnetic water heater also comprises a first heating inner container and a second heating inner container which are respectively positioned on the front side and rear side of the electromagnetic heating device body and are manufactured from a magnetic conductive metal; the first heating inner container and the second heating inner container are communicated mutually, the water inlet of the first heating inner container is connected with the water inlet pipe, and the water outlet of the second heating inner container is connected with the water outlet pipe; the first heating inner container and the second heating inner container are respectively close to the front heating surface and the rear heating surface; and the heat radiator is attached on the outer side wall of the water inlet pipe. According to the invention, the heat energy loss in the heating process of water is less, and the consumed power is less.

The invention discloses a membrane distillation device for concentrating fruit juice. The membrane distillation device comprises a detachable membrane component, a heat circulating system and a cold circulating system, wherein the detachable membrane distillation component is adopted as a core, the temperature of feed liquor and condensed water can be detected in real time according to the principle of membrane-distillation concentration, can be changed and finally is stabilized to a preset temperature so as to achieve constant preset temperature difference and achieve the optimal concentration effect; a flow sensor is arranged on a feed-liquor pipeline and is used for controlling the flow speed to be under the optimal working condition according to data measured in real time. The membrane distillation device disclosed by the invention has the advantages that the membrane distillation device is adopted for concentrating the fruit juice, and stable temperature-difference effect is realized by accurately controlling the temperature of the two sides of a membrane; the semiconductor refrigeration technology is applied to a condensation system so as to achieve the energy-saving and emission-reducing effects.

The invention provides a novel jetting amount control method for a methanol-diesel engine. The novel jetting amount control method comprises the following steps that S1, the temperature in a fuel input channel of an engine air cylinder and the temperature in an exhaust gas discharging channel of the engine air cylinder are detected, the temperature in the fuel input channel serves as a first temperature value, and the temperature in the exhaust gas discharging channel serves as a second temperature value; S2, the obtained first temperature value is compared with a preset temperature upper limit value, whether the first temperature value is larger than the temperature upper limit value or not is judged, and if not, the step S1 is retuned; and S3, if yes, methanol is input into the fuel input channel, methanol and diesel mixed supplying is started, and the jetting speed of the methanol is adjusted according to the variation tendency of the first temperature value. According to the noveljetting amount control method, methanol is input to substitute diesel to burn so as to decrease the gas inlet temperature and lower a burning reaction, so that the risk that the burning temperature ofthe engine is too high is eradicated; and the jetting speed of the methanol is adjusted according to the variation tendency of the first temperature value, the gas inlet temperature is flexibly adjusted advantageously, and the power of the engine is adjusted.

The object of the invention is a gas valve (10, 110) for a gas-operated cooking appliance, comprising a valve body (12, 112) with a plug receptacle opening. A plug (24, 124) is disposed rotatably in the plug receptacle opening and comprises an outer surface (80) that is designed at least partially from an elastic rubber material. According to the invention, the elastic rubber material is made up of a self-lubricating silicone. The plug (24, 124) can be made entirely of the elastic rubber material, at least in a partial area of the outer surface (80) up to an inner surface facing a hollow inner space (26).

The invention provides a method for adjusting the half-power angle of an antenna. The maximum half-power angle or the maximum beam gain of a single transceiving channel can be adjusted. The method comprises the steps that M antenna arrays needing to be turned on or turned off in N antenna arrays connected with a first receiving and transmitting channel of access network equipment are determined firstly, wherein M is larger than N and larger than or equal to 1, and N and M are integers, that is, the number of the antenna arrays driven by the first receiving and transmitting channel needs to beadjusted; and then first indication information is sent to the access network device, wherein the first indication information is used for indicating to turn on or turn off the M antenna arrays.

The invention provides a spraying method after textures the surface of an aluminum alloy are etched with laser light. In the spraying method, the aluminum alloy, on the surface of which the textures are etched with the laser light, is sprayed with a mixed and aged coating, wherein the thickness of a coating layer is 40-50 microns, and the textures on the surface of the aluminum alloy is square orrhombus. By using the method to spray the surface of the aluminum alloy, the coating penetrates into a groove etched with the laser light, so that adhesive force of the coating layer is increased.

The invention relates to a preheater for heating molten alloy. The preheater comprises a preheating assembly, and the preheating assembly comprises a barrel, a first end cover, a second end cover, first heating rods and second heating rods. The side wall of the barrel is provided with a first joint and a second joint which are close to the end parts of both ends of the barrel separately. The firstend cover and the second end cover are arranged at the two ends of the barrel in a covering mode separately. The first end cover is provided with first insertion-connection holes, the second end cover is provided with second insertion-connection holes, and the first insertion-connection holes and the second insertion-connection holes are arranged in a staggered mode. The first heating rods penetrate into the barrel from one end via the first insertion-connection holes, and the second heating rods penetrate into the barrel from the other end via the second insertion-connection holes. Since thefirst insertion-connection holes and the second insertion-connection holes in the two ends are staggered, the intervals between the heating rods at the same end are large, and thus quick connectors on the heating rods at the same end can be installed advantageously; and the intervals between the heating rods can be decreased, so that the heating rods are distributed more closely, the size of thebarrel is reduced, and materials and space are saved.

The invention discloses a quick charging system which comprises a first battery, a second battery, a first battery connector arranged on the first battery, a second battery connector arranged on the second battery, and a fast charger whose output end is connected to the first battery connector of the first battery through a first charging circuit and is connected to the second battery connector of the second battery through a second charging circuit. The quick charging system has the advantages that through setting the two batteries and setting connectors for the two batteries, the double-path charging is realized to improve charging current, and the purposes of reducing a battery requirement and realizing cost control are achieved.

The embodiment of the invention discloses a diffuse type flameless burner. The diffuse type flameless burner comprises a shell (1) and a spraying head (3), wherein the shell (1) is provided with a combustion-supporting air outlet (2), and the spraying head (3) is movably arranged at the combustion-supporting air outlet (2) to adjust the air outlet area of the combustion-supporting air outlet (2). According to the diffuse type flameless burner, the problem that in the prior art, a flameless burner cannot meet the combustion requirements under different power situations is solved.