91results about How to "Speed ​​up fast" patented technology

The invention relates to a remote-sensing image object detection method based on deep learning. The method comprises: using remote-sensing images to construct a related data set, namely an image dataset after classification and labeling on the remote-sensing images and class labels generated through labeling work; building a panchromatic sharpening model based on generative adversarial networks (GAN); building an object detection model based on a deep convolutional neural network, and carrying out end-to-end training on the model through methods of back propagation, random gradient descent and the like; and carrying out end-to-end testing on the built model. The method of the invention has the advantage of high accuracy.

The invention discloses a device for wrapping a shielding copper strip on a cable. The device comprises a supporting seat, a hollow shaft fixed on the supporting seat, a motor with an encoder and a synchronous wheel rotatably arranged at the middle of the hollow shaft; the motor is in transmission with the synchronous wheel through a synchronous belt; the front part of the hollow shaft is sleeved with a hollow tube which rotates synchronously with the synchronous wheel; the hollow tube is sleeved with a copper strip disc which rotates relative to the hollow tube; the copper strip disc includes a copper strip bottom disc and a copper strip clamping disc; the hollow tube is sleeved with a brake wheel fixedly connected with the copper strip bottom disc; the front end of the hollow tube is provided with a copper strip disc locking device; the hollow tube is also sleeved with a shaft disc which rotates synchronously with the synchronous wheel; and a mould sleeve tightening ring is fixed at the front end of the hollow shaft. The device for wrapping the shielding copper strip on the cable of the invention has the advantages of stepless speed regulation, high rotation speed, stable pitches, low noise, fast speed rise, avoidance of oil leakage and high energy utilization rate. According to the device for wrapping the shielding copper strip on the cable, the separate brake wheel is arranged on the copper strip disc, and therefore, the rotation speed of the copper strip disc can be facilitated, and the copper strip can keep a certain tension force, and improvement on product quality can be benefitted.

The disclosed pure hardware discrete system for zero-startup of no-sensor brushless dc motor comprises: a brushless dc motor, a brushless dc motor controller, a feedback compensation circuit, a voltage stabilizing circuit, a filter delay circuit, and a zero-cross detection circuit. This invention bases on back electromotive for zero-cross detection, responds in very short time, reduces calculation load, low cost, high reliable, and 90deg hardware time delay.

The invention discloses a preparing method of a carbon-fiber-gridding-fabric-reinforced composite thermoplastic PP plate. The preparing method is characterized by including the following steps that materials are prepared, wherein carbon-fiber gridding fabric, PP non-woven fabric and a thermoplastic raw material comprising, by mass, 40-50 parts of copolymerization PP, 50-60 parts of common PP, 0.1-0.2 part of main antioxidant, 0.1-0.5 part of auxiliary antioxidant, 0.1 part of light stabilizer, 0.6 part of heat stabilizer, 1.2 parts of color master batches and 0.4 part of mineral oil are prepared; the materials in the formula are added into a mixing machine and fully mixed ready for use; the mixed materials are fed to a drying cabin to be dried ready for use; the dried materials are fed into containing hoppers of three plastic extruding machines respectively, the materials are automatically fed into the three plastic extruding machines through the containing hoppers, melted PP is extruded to form soft piece blanks through the three plastic extruding machines at the same time, and the carbon-fiber gridding fabric and the PP non-woven fabric pre-arranged on composite devices installed above and below the three plastic extruding machines are sequentially led into the portions between pressing rollers of three plastic extruding composite machines respectively to be soaked and laminated to form the composite plate.

The invention discloses a transmission mechanism comprehensive performance test platform. The transmission mechanism comprehensive performance test platform comprises a to-be-tested transmission mechanism. The test platform comprises power parts, a connecting part, a precision detection part and a supporting part, wherein the power parts, the connecting part, the precision detection part and the transmission part are arranged on the supporting part; the power parts are arranged on two ends of the supporting part, and the transmission mechanism, the connecting part and the precision detection part are arranged between the power parts on two ends of the supporting part; the connecting part is connected with the precision detection part, the connecting part and the precision detection part are arranged on the left side and right side of the transmission mechanism, and the connecting part and the precision detection part disposed on the left side and right side of the transmission mechanism are used for connecting the transmission mechanism and the power parts. The transmission mechanism comprehensive performance test platform is simple and compact in structure, clear in principle, various in measurement performance types, accurate in measurement result, high in working efficiency and high in cost performance.

The invention relates to a dual-rudder multi-powder ship capable of braking. The ship comprises a hull (1), wherein the left side and the right side of the back of the hull (1) are respectively equipped with a left rudder (2) and a right rudder (3), and propelled brakes (4) are arranged on the left rudder (2) and the right rudder (3) respectively. The dual-rudder multi-powder ship has a fast steering speed, and has the functions of hard braking, hard turning and reverse sailing; and the sailing and speed increasing are faster, the navigational speed is also faster, and the reverse astern and turning are more convenient. Due to the fact that the braking and hard turning ability are better, accident engendered due to failing to brake timely and turning can be avoided. The ship is more mobile, flexible and accurate when the ship backs the sails to be aligned with the ship position and small area water area so as to adjust course, and the time consumption is shorter, so that the time which a large ship closes to a wharf and bears off the wharf can be greatly reduced, thereby significantly improving ship turnover ability and transfer capacity of ports.

The invention discloses a crank-connecting rod mechanism for an engine of a miniature cross-country motorcycle. The crank-connecting rod mechanism comprises a left crank, a right crank, a crank pin and a connecting rod, wherein the big head end of the connecting rod is positioned between the left crank and the right crank; the big head end of the connecting rod, the left crank and the right crank are connected with each other through the crank pin; the axial lines of the left crank and the right crank are in the same line and are parallel to the axial line of the crank pin; the distance between the axial lines of the left crank and the right crank and the axial line of the crank pin is 28.5 to 30.5 mm; the diameter of the shaft part of the right crank is 95 to 97 mm; the axial length of the right crank is 64 to 66 mm; and the distance between the centre of an installing hole at the big head end of the connecting rod and the centre of the installing hole at the small head end of the connecting rod is 94.3 to 96.3 mm. By changing a plurality of key parameters of the crank-connecting rod mechanism, the crank-connecting rod mechanism for the engine of the miniature cross-country motorcycle meets the functional requirements on high raising speed, strong explosive power, high torque, high crank rotating speed of the engine of the miniature cross-country motorcycle, and has the characteristics of ingenious conception, simple structure, easy implementation and the like.

The invention discloses an accelerated power generation system and an accelerated power generation control method thereof. The system comprises a supporting base and a power motor, a generator and a bearing seat which are installed on the supporting base. A plurality of sections of transmission shafts which are coaxially arranged are arranged between an output shaft of the power motor and an inputshaft of the generator; each section of transmission shaft is mounted on the supporting base through a plurality of bearing bases; the power motor is in transmission connection with a head end of thetransmission shaft through a first coupler; the generator is in transmission connection with the transmission shaft through a second coupler, multiple stages of flywheels with the diameters graduallyincreased are sequentially installed on the transmission shaft between the power motor and the generator, and a clutch is arranged on the transmission shaft on one side of an input rotor of each stage of flywheel. The rotating speed of the power motor can be rapidly increased, the power motor can be rapidly started under the light load condition, the speed increasing effect is effectively improved, the impact borne by the power motor is reduced, and the service life of the power motor is prolonged.

The invention provides a hybrid microwave water heater, which mainly comprises a heat exchange box and a heater. The hybrid microwave water heater is characterized in that: the interior of the heat exchange box is divided into a microwave heating box and an electric heating box; a microwave heating pipe is positioned in the microwave heating box, a water inlet pipe is formed by winding a plurality of independent coiled pipes on the microwave heating pipe, and a trigger is arranged at the front end of the water inlet pipe; a temperature controller is connected with a heating power adjustor and a water quantity adjusting tap and positioned in the electric heating box; the temperature controller can be used for setting the temperature range of the outlet water and correspondingly adjusting the heating power of the heating power adjustor and the water inlet velocity; a metal fiber radiation-proof layer is arranged on the outer wall of the microwave heating box; and a heat insulation layer is arranged between a shell and an inner container of the microwave heating box. The hybrid microwave water heater for heating by adopting microwave with the aid of electric heating can have sterilization effect, and can realize instant heating by adopting the plurality of coiled pipes for heating.

The invention discloses eco-friendly energy-saving super-gasoline (78#) for haze treatment. The eco-friendly energy-saving super-gasoline comprises 30 to 40% of alkylated gasoline, 15 to 20% of straight-run gasoline, 20 to 25% of an aromatic hydrocarbon, 20 to 25% of carbon olefin, 2 to 5% of a metal purification agent and 0.04% of a MG2000 gasoline accelerator. Gasoline prepared from methyl tert-butyl ether (MTBE) and methylcyclopentadienyl manganese tricarbonyl (MMT) as additives produces a large amount of PM2.5 after burning so that environment is polluted. The eco-friendly energy-saving super-gasoline solves the above problem and is suitable for ordinary vehicles.

The invention belongs to the field of an automobile, and particularly relates to a methanol gasoline additive and a preparation method, and the additive can effectively reduce the swelling corrosion on the automobile. The additive comprises isopropyl ether, phenylpropyl triazole, petroleum ether, ferrocene, fatty acid methyl ester, C2C8 alcohol, benzene, Span-80, triethanolamine, 1,3,5,7-tetraazatricycle, isopropanol, alkylphenol polyether and sulfonate; and the additive is composed of the following components in parts by weight: 0.15-0.67 part of the isopropyl ether, 0.03-0.1 part of the phenylpropyl triazole, 0.01-0.08 part of the petroleum ether, 0.02-0.08 part of the ferrocene, 0.03-0.09 part of the fatty acid methyl ester, 0.2-0.8 part of the C2C8 alcohol, 0.4-0.9 part of the benzene, 0.03-0.09 part of the Span-80, 0.03-0.08 part of the triethanolamine, 0.2-0.7 part of the 1,3,5,7-tetraazatricycle, 0.3-0.8 part of the isopropanol, 0.08-0.16 part of the alkylphenol polyether and 0.02-0.08 part of the sulfonate.

The invention relates to a wheel, in particular to a spring energy storage wheel comprising an energy storage wheel body, a transmission mechanism and a control mechanism. The energy storage wheel body is provided with the transmission mechanism and the control mechanism, a left hub and a right hub are respectively connected with a main shaft in a sliding way through a coupling bearing, the radial plates of the left hub and the right hub are connected with a wheel rim through spokes, the inner end of each spring is hooked in the middle of a torque tube, the outer end of each spring is fixedly connected with a connecting point of the wheel rim, one end of the torque tube abuts on the radial plate of the left hub through beads, a planetary wheel is mounted on the radial plate of the right hub through a rotary shaft, and a sun wheel is sleeved on a shaft barrel of the right hub and matched and connected with a shaft sleeve through a flywheel. An outside-hub ring group and an inside-hub ring group are connected through a bolt sleeve which is embedded in the radial plate of the left hub, and an inside-hub torque ring of the inside-hub ring group is clamped on the left hub and the shaft sleeve. The spring energy storage wheel device converts potential energy and kinetic energy, solves the endless waste of kinetic energy in speed reduction and rapidly accelerates the wheels.

The invention provides a resistance increasing and load shedding method for a high-speed train, which comprises the following steps of: constructing a resistance increasing plate with a wing-shaped section, and arranging a high lift device capable of rotating relative to the resistance increasing plate at the rear edge of the resistance increasing plate; a resistance increasing plate with a high lift device is installed on the top of the high-speed train through a transmission mechanism; when the resistance of the high-speed train needs to be increased, the resistance increasing plate is controlled to be perpendicular to the top face of the high-speed train; when load shedding needs to be conducted on the high-speed train, the resistance increasing plate and incoming flow are controlled to be in a certain incidence angle state, the high lift device is controlled to rotate relative to the resistance increasing plate, and the deflection angle between the high lift device and the resistance increasing plate is changed so as to increase lift force. According to the resistance increasing and load shedding method for the high-speed train, resistance increasing in the train running process can be achieved, lifting force can be provided through the resistance increasing plate and the increasing device when the high-speed train accelerates or runs at a high speed, the load of the high-speed train and friction resistance to rails are reduced, and the service life of the high-speed train is prolonged. The rapid acceleration of the high-speed train is realized, and the consumption of electric power resources during high-speed driving is reduced.