34results about How to "Achieve boost" patented technology

The invention relates to the field of maternal and infant products, in particular to a baby feeder. An airbag type baby feeder, comprising a pneumatic chamber, a propelling airbag and a food bag, an air inlet and an air outlet are arranged on the air pressure chamber, an air inlet check valve is arranged in the air inlet, and an air inlet is arranged in the air outlet There is an air outlet one-way valve, and the air outlet communicates with the opening of the propelling air bag; the food bag is set outside the propelling air bag, and the end of the food bag is provided with a feeding outlet, and the storage space of the food bag can be changed by the shrinking and expanding of the propelling air bag; the air pressure The junction of the chamber, the propulsion air bag and the food bag is sealed and fastened by the casing. The invention utilizes the air pressure chamber to control the expansion and contraction of the propelling air bag, realizes food boosting, and assists the baby to eat; the air pressure chamber allows the baby to grasp and pinch independently, and can also exercise the baby's grasping ability at the same time, and uses the whistle to lure the baby to grasp and pinch The invention not only guarantees the autonomy of the baby in exercising the grasping ability, but also makes the feeder easier to extrude food, which has wide popularization and application value.

The invention discloses a compressed air jet type self-starting vertical axis wind turbine and a detection method thereof. One side is correspondingly provided with a second impeller that drives the first impeller to rotate, a booster tank is provided between the second impeller and the first impeller, the housing of the booster tank is installed on the power shaft, and a booster tank is installed on the first impeller. There is an air injection port, and the above-mentioned pressurized tank is provided with an air delivery device, and the above-mentioned air delivery device is respectively connected to the pressurized tank and the air injection port, and the above-mentioned second impeller is provided with synchronously rotating compressed air blades, and the above-mentioned compressed air blades are placed in the pressurized tank In the cavity, in order to improve the problem that the existing vertical axis lift wind turbine cannot start automatically, or when the resistance blade is used to assist the lift blade to start, the resistance blade is likely to become a resistance source when the lift blade rotates at high speed.

The invention discloses a non-isolated LED driving circuit. The non-isolated LED driving circuit mainly solves the problems that in the prior art, an application circuit is complex, short in service life, small in power factor and strong in electromagnetic interference. The non-isolated LED driving circuit comprises a rectifier bridge (1), a controller (2), an energy storage unit (3) and a driven unit (4); the output end o of the rectifier bridge (1) is connected to the input end a of the energy storage unit (3) through a switching element Q1; a sampling resistor RS is connected between the input end a and the input end b of the energy storage unit (3) in a crossing mode and is used for sampling currents flowing through the energy storage unit (3) and generating sampling signals VS; the controller (2) controls the switching element Q1 to be turned on or off by judging the magnitude of the sampling signals VS; both the two output ends of the energy storage unit (3) are connected to the driven unit (4) to supply a working voltage and a working current for the driven unit (4). According to the non-isolated LED driving circuit, the application circuit is effectively simplified, service life is prolonged, the power factor and the electromagnetic interference situation are improved, and the non-isolated LED driving circuit can be used for triode-thyristor light modulators and non-isolated AC-DC converters.

The invention discloses a stroke-adjustable multi-rod boosting transmission mechanism and an adjustment method of the stroke-adjustable multi-rod boosting transmission mechanism. The stroke-adjustable multi-rod boosting transmission mechanism comprises a driving motor, a double-crank mechanism, a double-eccentric-wheel mechanism and a crank-link mechanism. The driving motor drives the double-crank mechanism through a gear reduction transmission mechanism, and then the double-eccentric-wheel mechanism fixedly connected with the double-crank mechanism is driven to rotate around a fixed shaft. A working sliding block is driven by a connecting rod hinged to an eccentric wheel mechanism body on the outer sides of double eccentric wheels to perform vertical reciprocating movement, and basic forging technological operation is completed; a movement transmitting rod of the double-crank mechanism is formed by jointly connecting two connecting rods through a thread connecting mechanism, the rod length can be adjusted within a proper range, a traditional crank mechanism is replaced by the double-eccentric-wheel mechanism, and the stroke of the sliding block can be adjusted by changing the relative positions of the eccentric wheels while the system bearing capacity is improved; the stroke-adjustable multi-rod boosting transmission mechanism and the adjustment method have the advantages that the structural layout is compact, the movement characteristics of the sliding block is adjustable, and the bearing capacity is high.

The invention relates to an ultra-low-voltage boosting system and a control method thereof. The ultra-low-voltage boosting system comprises an open-circuit voltage sampling holder, a polarity detection and control signal generator, a first-level switch tube, a flyback transformer, a rectifier bridge, an energy storage element and a singlechip, wherein the open-circuit voltage sampling holder is connected with a weak-energy output source or an energy converter and is also connected with the singlechip, the polarity detection and control signal generator and the flyback transformer; the first-level switch tube is connected with the polarity detection and control signal generator and the flyback transformer; the flyback transformer is connected with the rectifier bridge; and the rectifier bridge is connected with the energy storage element. By combining the ultra-low-voltage boosting system with the control method thereof, the defect that the circuit produced by a conventional process has difficulty in adapting to the working under a millivolt-level voltage in the field of environmental energy collection can be effectively avoided, and the defects that the boosting multiple and the boosting efficiency are very difficultly considered simultaneously in the prior art and the problem that an positive-negative bipolar input source is unresolved can be avoided.

The invention discloses a utilization method of waste gas discharged from a butadiene extracting apparatus. According to the method, waste gas is subject to a reaction with hydrogen; alkyne in the waste gas is subject to a selective hydrogenation reaction, such that diolefins is produced; the reaction product is delivered back to the butadiene extracting apparatus, and 1,3-butadiene can be recovered. According to the invention, a compressor technology and a cold box technology are adopted, such that a problem of butadiene tail gas utilization difficulty is solved.

The invention provides a waste gas supercharging device of a waste gas recirculating system of a single-cylinder diesel and a control method. The waste gas supercharging device comprises a gas inlet three-way valve, a gas outlet three-way valve, a basic supercharger, a controlled supercharger, a waste gas valve, an air valve, a by-pass valve, an EGR waste gas buffer tank, an EGR adjusting valve, an EGR cooler, a one-way valve, a pressure sensor and a mass flow meter. The two turbosuperchargers which are connected in parallel are controlled, high-pressure and high-speed compressed air drives a turbine so as to drive a compressor to increase pressure of EGR waste gas according to different working conditions and different EGR requirements of the diesel, the pressure of the EGR waste gas can be increased quickly under low working conditions, large EGR rate circulating is realized, furthermore, low EGR rate requirements can be met under high working conditions, and an adjustment range of EGR circulating is expanded.

The invention discloses a double-layer tube numerical control bending die and a forming method thereof. The die comprises pressure dies arranged in a stepped mode, a clamping die, a benign die body, an anti-wrinkling die, an auxiliary die and a core die, wherein the clamping die, the bending die body, the anti-wrinkling die, the auxiliary die and the core die are arranged in a stepped mode; the die is mounted on a tube bending machine and is used for bending a double-layer tube through the numerical control bending technology without conducting clearance sealing on packing of the double-layertube in the process, so that the manufacturing efficiency is improved, and the manufacturing cost is lowered. Secondly, the die adopts the stepped clamping method and can conduct clamping on an inner-layer tube and an outer-layer tube effectively, the phenomenon that the inner-layer tube slips in the bending process is avoided, and the forming quality of the double-layer tube is improved. Moreover, the bending die can effectively and tightly press the inner-layer tube and the outer-layer tube through the step-like pressure dies and the auxiliary die to achieve boosting on the inner-layer tubeand the outer-layer tube and improve material flow of bending plastic deformation. The double-layer tube numerical control bending die is ingenious in concept, compact in structure, reasonable in arrangement, high in manufacturing accuracy, high in working efficiency and low in energy consumption and has high engineering utilization value.