13results about How to "Reduce design requirements" patented technology

The utility model provides a mattress frame taking mechanism, and belongs to the technical field of machinery. The problem that an existing mechanism is large in design difficulty is solved. The mattress frame taking mechanism comprises a rack and a grabbing assembly used for grabbing a frame. The rack is provided with a longitudinal beam and a lifting assembly used for driving the longitudinal beam to ascend and descend. A supporting frame is arranged between the longitudinal beam and the material grabbing assembly, and the material grabbing assembly is arranged on the supporting frame. The supporting frame is hinged to the lower end of the longitudinal beam, a driving mechanism enabling the supporting frame to swing in a reciprocating mode is arranged on the longitudinal beam, and the swing angle of the supporting frame ranges from 0 degree to 90 degrees so that the frame can be switched from the vertical state to the horizontal state. The mattress frame taking mechanism is low in design difficulty.

The application provides a matrix converter system and a control method thereof. The matrix converter system comprises a first output port and a second output port, at least two phases, N converter valve bridge arms, Q first magnetic elements, the i-th first magnetic element comprises N first ports, M second ports, the N first ports of the i-th first magnetic element are connected in series with one end of the N converter valve bridge arms respectively, the other end of the N converter valve bridge arms is connected with any one phase of the first output port respectively, and the other end of at least one converter valve bridge arm is connected with a phase of the first output port which is different from the phase of the first output port connected with the other end of the remaining converter valve bridge arms, and the M second ports of the i-th first magnetic element are connected with any one phase of the second output port respectively, and at least one second port is connected with a phase of the second output port which is different from the phase of the second output port connected with the remaining second ports. i i i i i i ​​​​​​

This invention discloses an adjustable clearance reciprocating compressor and its control method, belonging to the field of compressor technology. The reciprocating compressor includes a cylinder body with a piston chamber, a main piston in the piston chamber, and an intermediate piston in the piston chamber. The intermediate piston and the main piston form a compression chamber. It also includes an adjustment mechanism, which includes a partition plate and a metal diaphragm. The intermediate piston and the partition plate form a first chamber, the partition plate and the metal diaphragm form a second chamber, and the metal diaphragm and an end plate form a third chamber. The partition plate has a channel connecting the first and second chambers, and the channel is equipped with the control mechanism. The third chamber is equipped with an oil supply system. The control method is based on the reciprocating compressor. This solution not only enables clearance adjustment of the reciprocating compressor but also features reliable compressor sealing performance and optimized stress on the metal diaphragm to extend its service life.

This utility model provides a water tank assembly and a cooking appliance. The water tank assembly includes: a water tank with a receiving cavity; a water guide pipe disposed inside the water tank and communicating with the receiving cavity, the water guide pipe and the water tank being integrally formed; a water outlet pipe extending out of the water tank, the water outlet pipe and the water tank being integrally formed; and a connecting pipe, the water guide pipe being connected to the water outlet pipe through the connecting pipe. The technical solution of this application effectively solves the problems of complex assembly process and high processing cost of water tank assemblies in related technologies.

The invention discloses a passive auxiliary soft switching power amplifier based on hybrid ZVS (Zero Voltage Switching) / ZCS (Zero Voltage Switching). The passive auxiliary soft switching power amplifier comprises a double-direct-current voltage module, a double-resonant capacitor and resonant inductor passive soft switching network, a midpoint double-path parallel bridge arm, a double-switching tube high-frequency main power output bridge arm, a double-parallel auxiliary capacitor and an LC filtering output network. The passive auxiliary device adopted by the invention is simple, an additional auxiliary switch tube and a driving module are not needed, and the control complexity is greatly reduced; the design that the resonant inductor is connected in series with the midpoint bridge arm avoids the direct connection risk of the bridge arm fundamentally, dead time does not need to be set, and the operation reliability is improved; meanwhile, a hardware condition is created for realizing hybrid ZVS / ZCS for the full-switching tube, so that the switching loss is reduced, the heat loss of the whole machine is reduced due to the low-loss characteristic of the passive network, the heat dissipation design can be simplified, and the service life of the device can be prolonged; and the network structure is simple, small in size and easy to integrate.

The application discloses a LIN automatic addressing system and method combined with a single-wire bidirectional protocol, wherein the automatic addressing system comprises a host, a slave module and a LIN bus; the slave module comprises a plurality of slave nodes; each slave node comprises a LIN physical layer transceiver, two bidirectional ports PIN0 and PIN1, and a LIN protocol controller; the LIN physical layer transceiver serves as a receiving end and a transmitting end of the slave node and is in bidirectional communication with the LIN protocol controller through control signal lines TXD and RXD; when the first slave node and the second slave node are disconnected, the whole system still performs automatic addressing; and when the link between the last slave node and the previous slave node is disconnected, the last slave node can still complete address allocation.

The utility model relates to the technical field of mobile power supply, concretely relates to a mobile power supply. Mobile power supply includes the casing, control circuit board, charging wire and handle plug connector, control circuit board installs in the casing, and one end of charging wire is connected with control circuit board electricity, and charging wire leads out from the casing, and handle plug connector fixed mounting is installed on charging wire, and the handle plug connector is equipped with the plug -in groove, and the charging head of charging wire can be detachably inserted in the plug -in groove to form the handle structure. The casing does not need to set up the storage groove to store the fixed charging head to form the handle structure, avoids the high requirement of the casing design and mobile power supply internal component design layout, improves the problem of mobile power supply overall structure design difficulty. And the handle plug connector is as the independent part, does not influence each other with the casing or internal component of mobile power supply itself, and the design freedom is also bigger, and the design requirement is also lower.

A kind of dual-phase variable loop order increment high-resolution analog-digital converter circuit based on multi-bit quantization, containing analog loop filter (hereinafter referred to as ΔΣ loop) and downsampling digital filter, there is phase switching switch, the phase switching switch includes L-1 phase switching switch in loop filter and L-1 phase switching switch in downsampling digital filter.The present application uses the architecture of first order and high order IADC mixedly, signal weight is made uniform by distributing the period number of phase 1 larger in total clock cycle, while fast accumulation is obtained by high order accumulation in a small part of total clock cycle to effectively improve the accuracy of system.Guarantee the weight of part input signal uniform in a sampling conversion period, to improve the effectiveness of DWA to suppress multi-bit DAC nonlinearity.

This invention discloses a method for parallelizing and pipelining a nested multiplier, relating to the field of intelligent warehousing technology. Based on the nested multiplication concept, the multiplication operation is decomposed into a formula to obtain the squaring operation of the high-bit part and the difference of squares plus shift operation of the low-bit part. Based on the characteristic of 2ab in the multiplication formula, the intermediate values ​​required for high-bit calculation are obtained by querying a preset low-bit square value table through the low-bit results. For batch data, multiple sets of data are processed simultaneously through a parallel architecture. The overall calculation process is divided into multiple pipeline stages, and continuous calculation is achieved through stage cascading. The pipeline output results of each parallel computing unit are collected, verified, and integrated to output a complete set of multiplication results. This invention achieves breakthroughs in hardware resources, computational latency, and batch throughput through the collaborative design of nested recursive simplification, pipeline reuse, and parallel architecture, providing an efficient solution for high real-time and high-parallelism digital computing scenarios.

This utility model relates to the field of compressor technology and discloses a fully enclosed single-stage centrifugal compressor, including a lower casing, an upper casing, an impeller, a rotating main shaft, and a motor stator. An impeller and a thrust disc are provided on one side of the rotating main shaft. The main body of the rotating main shaft is rotatably connected to the upper and lower casings via radial bearings on both sides, and the main body of the rotating main shaft is rotatably mounted in the motor stator, which is mounted on the lower casing's internal fixed seat. The upper and lower casings are connected by welding. A refrigerant inlet is provided on the side of the lower casing, and a refrigerant outlet is provided on the volute. This utility model uses refrigerant as the compressor's compression medium. The refrigerant enters through the lower casing inlet, passes through the lower and upper casings, is compressed by the impeller, and flows out through the outlet. Simultaneously, the refrigerant cools the motor stator, reducing the number of compressor parts and improving heat dissipation efficiency. Furthermore, the bearings used in this utility model are air-suspended or magnetic-suspended bearings, eliminating the need for lubrication and increasing energy efficiency.

The invention discloses a power supply circuit and power supply equipment. The power supply circuit comprises a first voltage conversion module, a first switch module, a second voltage conversion module, a second switch module and a control module. The first end of the first switch module is coupled to the output end of the first voltage conversion module, and the second end of the first switch module is coupled to the first output end of the power supply circuit; the first end of the second switch module is coupled with the output end of the first voltage conversion module, and the second end of the second switch module is coupled with the output end of the second voltage conversion module; the control module is respectively coupled with the first voltage conversion module, the first switch module, the second voltage conversion module and the second switch module; when the control module responds to the first output end and is coupled with the first load, the control module controls the first switch module and the second switch module to be switched on, so that the first voltage conversion module and the second voltage conversion module jointly supply power to the first load. In this way, the hardware cost of the power supply circuit is effectively reduced.

The application provides a display panel and a display device, and relates to the display field, and is used for preventing peep display performance. The display panel comprises a display area and a non-display area surrounding the display area, a substrate, a display layer located on one side of the substrate and comprising a pixel area and a non-pixel area, wherein the pixel area comprises a sub-pixel, an encapsulation layer located on the side, away from the substrate, of the display layer, a filter layer located on the side, away from the substrate, of the encapsulation layer and comprising a filter part and a light shielding part, wherein the filter part overlaps the pixel area in the direction perpendicular to the plane where the substrate is located, and the light shielding part overlaps the non-pixel area, at least one blocking layer located on the side, away from the substrate, of the filter layer, wherein the blocking layer has an opening, the opening overlaps the pixel area in the direction perpendicular to the plane where the substrate is located, and the blocking layer overlaps the non-pixel area, and a first planar layer located between the display layer and the blocking layer and covering the display area.

The invention discloses a concrete formwork gap adjusting device and method, and relates to the field of concrete formwork installing.The concrete formwork gap adjusting device comprises a fixing mechanism, a first longitudinal beam, a plurality of adjusting plates and an adjusting mechanism, the fixing mechanism is detachably arranged on the lower surface of the first longitudinal beam and the lower surface of the adjusting mechanism and used for fixing the first longitudinal beam and the adjusting mechanism on a concrete formwork, and the adjusting plates are detachably arranged on the first longitudinal beam and the adjusting mechanism; one ends of the adjusting plates are arranged on the side, facing the adjusting mechanism, of the first longitudinal beam, and the other ends of the adjusting plates are movably inserted into the adjusting mechanism. The upper end and the lower end of the concrete formwork can be synchronously adjusted when the concrete formwork is adjusted, and the situation that the vertical distance of the concrete formwork is inconsistent is avoided.