10results about How to "Fast drive" patented technology

The invention discloses an indoor and outdoor autonomous switching unmanned intelligent agent with a redundant propulsion system and a method, and belongs to the technical field of unmanned aerial vehicles. The indoor and outdoor autonomous switching unmanned intelligent body with the redundant propulsion system comprises an unmanned intelligent body main body, two propulsion rotors are arranged in each auxiliary propeller shell, and a main rotor is arranged in a flight opening; and a high-precision hydraulic turntable is mounted at one end of the auxiliary propeller shell. The problems that an existing multi-rotor unmanned aerial vehicle is difficult to position in an indoor GPS denial environment and poor in maneuverability in a narrow space are solved, the propelling rotors can provide lift force for maintaining the height by calculating the thrust distribution scheme of the propelling rotors, yawing, pitching and rolling moments are synthesized through differential thrust, the flight control right is taken over, and the maneuverability of the multi-rotor unmanned aerial vehicle is improved. An intelligent unmanned platform which can safely, autonomously and continuously operate at an environment boundary and a system state boundary is created, and the intelligent unmanned platform can autonomously fly in indoor and outdoor complex environments and has a fault-tolerant capability.

The application discloses a kind of vehicle-mounted glass dimming method and device, it is related to vehicle-mounted glass control technical field, method includes: using front-stage Boost circuit converts input direct-current power into fixed amplitude direct-current bus voltage;Receiving transparency instruction and analysis obtains target drive voltage effective value;Based on target drive voltage effective value and direct-current bus voltage, the modulation ratio of sinusoidal pulse width modulation control signal is calculated;According to the modulation ratio, using unipolar frequency multiplication SPWM mode generates drive signal, to drive the output modulation waveform of rear-stage full-bridge inverter circuit;After filtering processing, it is converted into sinusoidal alternating voltage and drives dimming glass.The application realizes stepless regulation of output voltage by software adjustment modulation ratio, eliminates the dimming delay caused by large-capacity capacitor charging and discharging;At the same time, unipolar frequency multiplication modulation is combined with voltage closed-loop feedback, output high-precision, low-harmonic sinusoidal alternating voltage, effectively avoids dimming glass flicker and liquid crystal molecule polarization damage.

The utility model discloses a speed changer of toy car, including speed changer body and drive arrangement, speed changer body includes driving rod, conversion subassembly, first gear train subassembly and second gear train subassembly, first gear train subassembly, conversion subassembly and second gear train subassembly are sequentially inserted on driving rod, the output of drive arrangement is connected with the input of driving rod, wherein, when first gear train subassembly is connected with conversion subassembly, driving rod drives first gear train subassembly to rotate, and first gear train subassembly is connected first output through first drive link, and speed changer is in acceleration state, when second gear train subassembly is connected with conversion subassembly, driving rod drives second gear train subassembly to rotate, and second gear train subassembly is connected second output through second drive link, and speed changer is in deceleration state. Children observe the rotation and switching process of gear intuitively in playing. Cultivate their interest in science and technology in the form of play.

The utility model discloses a kind of for photovoltaic frame rotary disc spraying process's auxiliary mounting device, it is related to photovoltaic frame processing technical field.The utility model includes section bar positioning frame and is installed in the track side of spraying line turnover frame, turnover frame includes the seat plate of strip board body, the rear side of seat plate is fixed with the parallel distribution pivot of seat plate, the both ends of pivot are connected with the rotary cylinder of the dislocation of seat plate, seat plate front side is horizontally fixed with walking cylinder.The utility model can drive section bar positioning frame and hook body synchronous movement by walking cylinder, in synchronous movement process, the design of section bar positioning frame can realize the quick movement between section bar and hook body, to realize quick mounting, by the design of turnover frame, walking cylinder and section bar positioning frame can be controlled to overturn at certain angle, avoid the interference problem of section bar and hook body after mounting, facilitate the operation of staff, improve work efficiency.

This utility model provides a drilling device for planting sea buckthorn in the desert. A mounting beam is provided in front of the movable base, and a slide rail extending along its length is provided on the mounting beam. A slide block is slidably assembled along the slide rail, and a drill is mounted on the slide block. The drill rod of the drill extends along the length of the mounting beam. A drive component is disposed inside the slide rail. One end of the drive component is hinged to the inner wall of the slide rail, and the other end is connected to two sets of traction lines through the mounting base. One set of traction lines passes from the lower end of the mounting beam and connects to the lower part of the slide block, while the other set of traction lines passes from the upper end of the mounting beam and connects to the upper part of the slide block. Through the cooperation of the drive component and the traction lines, the slide block can slide rapidly, thereby driving the drill to drill efficiently. Using traction lines for driving reduces the length of the mounting beam, thus ensuring the miniaturization of the equipment. Furthermore, the traction lines can precisely drive the drill, ensuring the accuracy of the drilling depth and greatly improving planting efficiency and drilling precision.

The utility model provides a kind of storage space adjustable cabinet, belong to cabinet technical field, including adjusting mechanism, adjusting mechanism includes ground cabinet and the cabinet door one symmetrically hinged in its opening both ends, the upper end of ground cabinet is slidably connected with platform, the side of platform close to ground cabinet opening both ends is hinged with cabinet door two, cabinet door two is slidably connected with the sliding slot set on the same end adjacent cabinet door one, platform is also provided with the lifting assembly for lifting itself, adjusting mechanism further includes the fixed seat being set in the inner chamber of cabinet door one middle part, the both sides of fixed seat are rotatably connected with bearing plate, the sliding mouth being set on the outer side end of bearing plate is slidably connected with support plate.The utility model is through the linkage of volume dynamic adjustment and support separation structure, both can adapt to the storage demand of different kitchen utensils, can be stored by subcell, improve space utilization, can separate the internal space of cabinet into multiple different shapes independent lattice.

The application relates to a temperature control method and device, electronic equipment, a storage medium and a program product, relates to the technical field of industrial temperature control, and can improve the steady-state precision and anti-disturbance capability of temperature control. The method comprises the following steps: in response to the reception of a target temperature of a target object, in each control period, updating a state observation result of a previous control period according to a measured temperature of the target object in the current control period and a target control amount of the previous control period, to obtain a state observation result comprising temperature observation information and temperature disturbance information of the current control period; determining target state information of the current control period according to the target temperature and target state information of the previous control period; determining a target control amount of the current control period according to the difference between the target state information and the temperature observation information of the current control period and temperature disturbance information of the current control period; and controlling the target object to adjust the temperature according to the target control amount.

The utility model belongs to but is not limited to IPM technical field, especially intelligent IPM power module device, intelligent IPM power module device includes lead frame, and lead frame includes multiple base island, multiple pin, high voltage pin VBw, VBv, VBu set up in one side of lead frame, and low voltage pin is symmetrically set up in the other side of lead frame, the other side of lead frame still is provided with overtemperature protection pin and overcurrent protection pin, the utility model discloses high voltage pin and low voltage pin separate two sides, avoid high voltage and low voltage pin in the same side, improve the module volume owing to the insulation electrical clearance, under the same volume, the utility model increases overtemperature, overcurrent protection function.

The utility model provides a backwashing filter, which belongs to the technical field of water treatment and comprises a filter cartridge and a filter mechanism arranged in the filter cartridge, a backwashing cleaning component is further arranged in the filter cartridge and comprises a liquid discharge pipe arranged in the middle of the filter mechanism, and a liquid discharge end of the liquid discharge pipe penetrates through an outer cambered surface of the filter cartridge and extends to the outside. A rotating pipe is rotationally connected between the liquid inlet end of the liquid discharging pipe and the bottom of the filter cylinder, the liquid inlet end of the rotating pipe is matched with the filter mechanism, a valve is arranged at the liquid discharging end of the liquid discharging pipe, a plurality of supporting plates are arranged at the edge of the filter mechanism, rotating frames are rotationally connected to the middles of the supporting plates, and spiral scraping plates are arranged outside the rotating frames; and the spiral scrapers are matched with the filtering mechanism. According to the utility model, stubborn dirt attached to the filtering surface of the filtering mechanism is thoroughly stripped through the compound motion of scraping and axial propulsion, so that the deposited dirt of the device is efficiently removed, the problems of blockage and residue of filtering holes in the traditional backwashing process can be avoided, and the filtering efficiency recovery rate is obviously improved.

The circuit breaker comprises an operating mechanism and a contact unit, the contact unit comprises a moving contact assembly and a static contact, the operating mechanism comprises a linkage lever, a support, a rocker assembly, a trip, a lock and a reclose pivotally arranged on the support respectively, a main spring arranged between the rocker assembly and the linkage lever, a first crank pivotally arranged on the trip and in position cooperation with the trip and the linkage lever, and the linkage lever is connected with the contact through a transmission assembly; the circuit breaker further comprises a quick operation structure, the quick operation structure comprises a first push rod, a second push rod and a third push rod, the first push rod is pivotally arranged and is in driving cooperation with the moving contact and the second push rod respectively, the second push rod is pivotally arranged and is fixedly connected with the third push rod, and the reclose is provided with a reclose driven arm in driving cooperation with a driving part of the third push rod; the circuit breaker of the present application has the advantages that the transmission level of the quick operation structure is reduced, the reclose of the operating mechanism is driven by the quick operation structure, the moving contact is driven through the quick transmission of various components, and the quick operation of the reclose is realized.