37results about How to "Adjustable rate" patented technology

The invention relates to a hydraulic substation oil circuit system which comprises a main oil circuit and a return oil circuit. The main oil circuit is provided with a main oil inlet and a working oil inlet, the return oil circuit is provided with a working oil outlet and a main return opening, a control oil circuit is arranged between the main oil circuit and the return oil circuit and comprises a main pressure reducing valve arranged on the main oil circuit, the main oil circuit is split between the main pressure reducing valve and the main oil inlet and connected with a throttling valve, the throttling valve is serially connected with an electromagnetic directional valve, the electromagnetic directional valve returns into the return oil circuit through a first throttling hole and is serially connected with an electromagnetic ball valve, the electromagnetic ball valve is serially connected with an overflow valve, the overflow valve returns into the return oil circuit, the main pressure reducing valve is communicated with an energy accumulator through a second throttling hole, and the energy accumulator, the second throttling hole, the electromagnetic directional valve and the electromagnetic ball valve are mutually communicated in an intersected manner. According to the hydraulic substation oil circuit system with the structure, the rate of the pressure lifting and pressure reducing process can be adjusted, the service life of a hydraulic actuator is prolonged, and potential safety hazards are eliminated.

The invention relates to an imitated nuclear pulse generation device and method. The device comprises a single photon source, a single photon detector, a quantum true random number extractor, a Gaussian random number generator, an eight-bit register, an exponential waveform data storage, a multiplying unit, a conversion start controller and a digital-analog converter (DAC). The quantum true randomnumber extractor is connected with the output end of the single photon detector for extracting uniformly distributed random numbers; the Gaussian random number generator is connected with the outputend of the quantum true random number extractor; generated Gaussian random numbers are stored into the eight-bit register; the Gaussian random number generator comprises four read-only memories and the multiplying unit. According to the device and method provided by the invention, the arrival time interval of the single photon pulse is used for generating imitated nuclear pulse time in compliancewith exponential distribution characteristics, and the uniformly distributed random numbers are extracted by using the single photon pulse to generate the Gaussian random numbers to serve as an imitated nuclear pulse amplitude. The imitated nuclear pulse generation method provided by the invention is simple to implement, high in flexibility, good in randomness and continuous.

The invention relates to a bump test device of audio-video equipment. The bump test device is characterized in that an upper flat plate and a lower flat plate are in sliding connection by a guide rod and a guide sleeve; the upper flat plate is connected with two driving cam mechanisms fixed at the lower surface of the lower flat plate by four driving ejector rods fixed on the lower surface of the upper flat plate; and each driving cam mechanism is in transmission connection with a speed reducer and a motor which are fixed on the lower surface of the lower flat plate by a synchronous belt. The bump test device has the advantages that the requirement on the bump test in safety test of audio, video or similar electronic equipment can be met; bump parameters in different standard requirements can be finished by a group of cam series with different specifications, and the bump accuracy reaches 0.5%; full-automatic bump test is carried out by a mechanical device, the speed and the times of each time of bump can be adjusted, the repeatability can be guaranteed; and moving parts are designed in a reinforced manner, so that the service life of the test device can be guaranteed.

The invention relates to the technical field of robots and particularly relates to an aquatic robot intelligent constant-speed cruising control method and system. The method comprises the following steps: setting power parameters such as a target cruising speed; obtaining a water flow speed; judging whether constant-speed cruising requirements are met according to the water flow speed; if the constant-speed cruising requirements are met, entering a constant-speed cruising mode by one key; in the constant-speed cruising mode, periodically and dynamically calculating the accelerator power based on the parameters such as ground speed vectors of an attitude heading reference system of an aquatic robot master controller to guarantee a constant speed; in the constant-speed cruising mode, supporting the modification of the cruising speed and automatically executing power judgment and continuous operation; and if the constant-speed cruising requirements are not met, executing the nearest and fastest automatic return intelligent protection policy.

The invention relates to a preparation method of a gold nanorod-based engineering nano gel, wherein the method comprises the steps: with a gold nanorod as an inorganic core, modifying the surface of the gold nanorod with carboxyl groups by mercaptohyaluronic acid and activating; then grafting with acid phosphatase, adding a small molecular gel factor, making the property of the small molecular gelfactor changed from hydrophilcity to hydrophobicity by the enzyme digestion effect of the acid phosphatase, and self-assembling on the surface of the gold nanorod to form nano gel; and finally, loading the nano gel with chloroperoxidase, and thus obtaining the gold nanorod-based engineering nano gel. Compared with the prior art, the gelling method is simple and high in efficiency, both the gelling thickness and speed are adjustable, and the method applied in photothermal-enzyme combined therapy has mild and high-efficiency characteristics.

The invention discloses a split portable biomass gasifier, which is convenient to carry outdoors and can be safely and effectively used. The gasifier comprises an upper-layer gasifier body, a lower-layer gasifier body, buckles, a stove, a sieve plate, a biomass feed bin, a solid feed connecting pipe, a positive-pressure isolation plate, a gas connecting pipe, a drying chamber, a gas-solid feed linkage device, a centrifugal fan, a tar separation tank, a dust removal purification pipe, ignition equipment, a six-way valve and a combustion chamber. According to the split portable biomass gasifier, by virtue of the gas inflow and biomass feed linkage device, the rate of the gasifier is adjustable, a fuel is saved, and meanwhile, a biomass can be continuously fed; compared with a conventional gasifier incapable of controlling heat in a biomass combustion process, the gasifier has the advantages that multifunction such as water boiling under big fire and stewing under small fire can be freely selected, so that the utilization rate of the fuel is increased, energy is saved, and emission is reduced; when the split portable biomass gasifier is idle, the upper-layer gasifier body and the lower-layer gasifier body can be separated; the split portable biomass gasifier is low in investment cost, convenient to mount and operate and wide in application range.

The invention discloses a solar-assisted power type negative pressure biomass gasifier used in remote areas and outdoors. The gasifier comprises a biomass bin, a drying chamber, a combustion chamber, a control box, a photovoltaic cell panel, a feed blade and a stepper motor, a solid feed connecting tube, a positive pressure separation plate, fasteners, a combustion chamber liner, a combustion chamber insulation layer cover, a thermoelectric power generation chip, a lead storage battery, a centrifugal fan, a six-way valve, a dust removal purification pipe, a tar separation tank, a furnace, a phase change heat storage material filling opening, a sieve plate, a drying chamber connecting pipe, a combustion chamber connecting pipe, an ignition device, a 5.5VDC power outlet and a 12VDC power outlet. The solar-assisted power type negative pressure biomass gasifier can still provide household energy and charge mobile phones and electronic products under extreme conditions to ensure normal life and contact with outside of users. The gasifier is stable in structure, easy to install and operate and wide in application range.

The invention belongs to the technical field of communications and provides a technical solution for realizing high-speed data transmission in case of secure one-way data transmission. The technical solution includes a communication apparatus and method based on an SFP optical module. The apparatus comprises a programmable logic device which is provided with a parallel data interface and is capable of converting received data into data conforming to a predetermined format; a serial-parallel data conversion chip which is connected with the programmable logic device through a parallel bus and is capable of realizing mutual conversion between serial data and parallel data; and the SFP optical module which is connected with the serial-parallel data conversion chip through a serial data line and adopts a one-way communication mode without bidirectional verification during data transmission.

The invention discloses a molding device for processing of plastic shoes. The device comprises a mechanical arm, a feeding cylinder and a shell. The feeding cylinder is inlaid at the left side on theupper end surface of the shell, the feeding cylinder is internally equipped with a piston, a middle position on the upper surface of the piston is connected to the mechanical arm, the mechanical arm is L shaped, the upper end surface of the mechanical arm is in sliding connection with a guide pillar, the lower end of the guide pillar is connected to the shell, a motor b is arranged on the right side of the guide pillar, and a screw rod apparatus is fixedly connected to the shaft of the motor b. The molding device is used for manufacturing plastic shoes, the height of the mechanical arm can beadjusted through the screw rod apparatus to enable the piston to break away from the feeding cylinder, molten raw materials are put into the feeding cylinder, the height of the piston rod can be adjusted to control the working rate of the machine, the raw materials enters a mold for cooling molding, a motor apparatus drives a gear to rotate, so that a baffle plate can move between left and right,when the baffle plate moves towards the left to a maximum distance, shaped plastic shoes fall on a conveyor belt, and the conveyor belt conveys the plastic box to a discharge port.

The invention discloses a lithium isotope separation method and device, and the separation method comprises the following steps: sequentially superposing a composite anode material, a solid electrolyte and a cathode pole piece material together to assemble a solid electrochemical cell; applying a certain voltage to the two ends of the electrochemical cell and maintaining for a certain time; and taking out the cathode pole piece, and dissolving the lithium isotope deposited on the surface of the cathode in an acid solution. The separation device comprises a solid-state electrochemical cell and a power supply device, wherein the solid-state electrochemical cell is assembled by sequentially overlapping a composite anode material, a solid-state electrolyte and a cathode pole piece, and the power supply device is connected with an anode and a cathode of the electrochemical cell. Different from separation processes of a solvent extraction method and an ion exchange method, the method has the advantages that firstly, mercury and an organic solvent are not needed, and environmental pollution and separation cost are reduced; 2, compared with other classification processes, the lithium isotope separation coefficient is remarkably improved; 3, the separation process is simple to operate, the production efficiency can be greatly improved, and continuous industrial production can be realized.