15results about How to "Small design" patented technology

The invention relates to the technical field of electrical equipment for brewing coffee, in particular to a full-automatic coffee machine which comprises a lower brewing head unit, an upper brewing head unit, a powder sweeping unit, a main driving unit and a lower brewing head driving unit which are arranged in a working cavity of the coffee machine. The lower brewing head unit sequentially cooperates with the powder supply unit, the upper brewing head unit, the lower brewing head driving unit and the powder sweeping unit to complete the working steps of coffee powder adding, pressed powder pressing, coffee extraction, pressed powder ejection, pressed powder sweeping and brewing piston resetting in the linear movement process in the working cavity, distributed action is adopted, and the function is reliable; meanwhile, adjustment of pressure relief and water inflow in the extraction head and driving of pressed powder pressing, pressed powder ejection, pressed powder sweeping and brewing piston resetting are completed only through the main driving unit, the configuration number of driving structures in the coffee machine is reduced, and convenience is provided for reducing the design size of the coffee machine.

The utility model discloses an oxygen determination probe which comprises a paper tube and a support, an anode compensation lead and a cathode compensation lead are embedded on the support in a penetrating mode, a quartz tube is installed on the support, an anode thermo wire and a cathode thermo wire are arranged in the quartz tube in a penetrating mode, the anode thermo wire is connected with the cathode thermo wire, the anode thermo wire is connected with the anode compensation lead, and the cathode thermo wire is connected with the cathode compensation lead. An oxygen battery molybdenum needle is connected to the support and connected with the negative electrode compensation wire to serve as an oxygen battery negative electrode, a metal piece is connected to the support and serves as an oxygen battery positive electrode, and a refractory material is solidified on the support. The quartz tube, the oxygen battery molybdenum needle and the metal piece are fixed on the support by the refractory material, the paper tube is arranged in the support, and the top end of the paper tube is sealed by the sealing plate. According to the structure, the production cost can be reduced, the resistance in the measurement process is reduced, and the measurement accuracy is improved.

The invention discloses a blue light optical head with ultra-high-speed recording and reproducing capability, which comprises a first information recording and reproducing unit, a second information recording and reproducing unit and a blue light source, wherein the first information recording and reproducing unit is used for irradiating emergent light from the blue light source on an optical information recording medium and reflecting the emergent light from the light source to a second information recording and reproducing unit; a second information recording / reproducing unit for irradiating the reflected light from the first information recording / reproducing unit on an optical information recording medium while transmitting the reflected light from the first information recording / reproducing unit to a third information recording / reproducing unit; the third information recording / reproducing unit is configured to irradiate the transmitted light from the second information recording / reproducing unit on the optical information recording medium. The blue light optical head designed by the invention has the characteristics of a single light source and three objective lenses, has ultra-high-speed recording and regenerating capacity, solves the problem of low recording and regenerating speed of a traditional optical head with a single light source and a single objective lens, is smaller in size and lower in production cost, and has great application potential and wide market prospect.

The present invention belongs to the field of water quality monitoring, and specifically relates to a retractable water quality monitor. The present invention discloses a retractable water quality monitor. It comprises: a control chamber, two buoys arranged in parallel, a sensor, an electric hoist, a solar panel, a frame, a weight block, and a nylon rope. The upper ends of the two buoys arranged in parallel are provided with a frame, the middle part of the frame is provided with a control chamber, the top cover of the control chamber is provided with a solar panel, a signal processing component is provided in the control chamber, and the signal processing component is respectively connected to the sensor, the electric hoist and the solar panel through a communication cable. A nylon rope is wound around the electric hoist, one end of the nylon rope is connected to the electric hoist, and the other end is connected to the sensor, and the other electric hoist is connected to a weight block. It can realize continuous monitoring and remote monitoring of water quality, can be arranged at any position in the water area, and has horizontal versatility. At the same time, the equipment has telescopic ability and has vertical versatility.

An intelligent C-shaped thickness measurement scanning frame relates to the technical field of scanning frames and comprises a scanning electromagnetic sliding rail, a driving motor and a control cabinet, two L-shaped electromagnetic sliding blocks are slidably mounted in the scanning electromagnetic sliding rail, and the upper end faces of the two L-shaped electromagnetic sliding blocks are jointly and fixedly connected with a C-shaped support. Thickness sensors are installed on the upper side wall and the lower side wall of an opening cavity of the C-shaped support respectively, two fixing blocks are fixedly installed on the right end face of the C-shaped support respectively, and the two fixing blocks are symmetrically distributed up and down relative to the center line of the C-shaped support. According to the utility model, dust and impurities attached to the surface of a detected object are all removed during detection, and meanwhile, the air pipe piece continuously blows air to blow off the dust and impurities brushed by the roller brush to ensure that the measuring surface of the detected object is clean, so that the interference influence of the dust and impurities on the measuring precision is avoided; meanwhile, the design size is small, the requirement for installation positions of different customer spaces can be met, and it is guaranteed that the device can be installed and used in a limited space.

The invention discloses a millimeter wave Butler matrix beamforming network, comprising a top layer and a ridge layer, wherein the ridge layer comprises a millimeter wave Butler matrix, and the millimeter wave Butler matrix comprises a first broadband directional coupler, a second broadband directional coupler, a first 90° phase shifter, a first frequency divider, a second 90° phase shifter, a third broadband directional coupler, a fourth broadband directional coupler, a first 45° phase shifter, a second frequency divider, and a second 45° phase shifter. The network has the advantages of wide bandwidth, small size, etc.

The vertical unmanned aerial vehicle comprises a fuselage, fixed side wings are arranged on the two sides of the fuselage, telescopic side wings are arranged in the fixed side wings in a sliding mode, and the ends, away from the fuselage, of the telescopic side wings penetrate through the side walls of the fixed side wings and extend outwards. Telescopic driving assemblies are further arranged in the fixed side wings and used for driving the telescopic side wings to slide. Through the telescopic driving assembly, the fixed side wings and the telescopic side wings can adjust the aspect ratio according to the flight mode; when the endurance needs to be improved, the extension length of the telescopic side wings is maximum, the lift-drag ratio is increased, the gliding performance is improved, and the endurance is improved; when the aircraft needs to fly in severe weather or take off in a narrow space, the telescopic side wings are contracted, and the power and wind resistance of the engine are improved; when the unmanned aerial vehicle needs to be stored, the telescopic side wings are contracted to the minimum, and the design size of the hangar is reduced.

The utility model discloses a kind of power wall-penetrating terminals and power conversion equipment supporting and off-grid switching, including base and first, second wiring module of its two sides;First wiring module includes outer grid-connected wiring part and outer off-grid wiring part of side-by-side arrangement along first direction, and outer grid-connected wiring part and outer off-grid wiring part are staggered distribution along second direction height;Second wiring module includes inner grid-connected wiring part and inner off-grid wiring part of side-by-side arrangement along first direction, wherein, inner, outer grid-connected wiring part is connected one by one, inner, outer off-grid wiring part is connected one by one, and inner grid-connected wiring part and inner off-grid wiring part are all equipped with temperature sampling wiring port.The wall-penetrating terminal passes through high integration multiway grid-connected interface and off-grid interface, so that terminal structure overall layout is compact, can effectively reduce design volume, reduce design cost;Temperature sampling wiring port can detect the temperature of wiring part junction, prevent terminal temperature rise caused by improper client wiring, and avoid security risk caused by high temperature.

The utility model relates to the technical field of energy storage equipment, in particular to an energy storage cabinet and an energy storage system. The energy storage cabinet is provided with a cabinet bin, a plurality of battery packs, a control device and a connecting pipeline are arranged in the cabinet bin, the battery packs are stacked in the gravity direction and provided with first connecting ports, the control device is arranged at the top of the cabinet bin in the gravity direction and provided with second connecting ports, and the second connecting ports correspond to the first connecting ports. The connecting pipeline is provided with a plurality of first connecting joints, and the first connecting joints are connected with the first connecting ports in a matched mode. Corresponding to the second connecting port, the connecting pipeline is provided with a second connecting joint, and the second connecting joint is connected with the second connecting port in a matched mode. Wherein the connecting pipeline is used for transporting the flame-retardant medium in the control device into the plurality of battery packs. The energy storage system comprises the energy storage cabinet. The pipeline arrangement mode in the energy storage cabinet and the energy storage system is simple, and the occupied space in the cabinet can be saved.

The invention discloses a two-cluster-sink one-high-voltage box for energy storage and a control method thereof, the high-voltage box comprises a BAU system-level control module and a high-voltage box assembly, and the high-voltage box assembly comprises a synchronous power-off device and an inter-cluster linkage shunt tripping device; the BAU system-level control module is connected with the high-voltage box assembly through a KA2 broken cluster intermediate relay; and the synchronous power-off device is connected with the inter-cluster linkage shunt tripping device through a BCU distributed control module.

The utility model relates to the technical field of grouting equipment, in particular to structural gap grouting equipment. The device comprises a conveying cylinder, a spray head is arranged at one end of the conveying cylinder, a conveying assembly is arranged in the conveying cylinder, a mounting block is arranged at the top of the conveying cylinder, a loading assembly is detachably arranged on the mounting block, a pair of L-shaped plates is arranged in front of the mounting block, and a fixing assembly is arranged between the two L-shaped plates. Compared with an existing gap grouting device, the portable gap grouting device is small in design size, convenient to carry and convenient to use and operate when an operator conducts grouting operation on the outer vertical face of the high-rise building; the detachable charging assembly is arranged, so that storage and carrying are more facilitated, a plurality of charging assemblies are used in cooperation, an operator does not need to add materials repeatedly, and only the charging assembly filled with slurry needs to be replaced, so that the operation efficiency is improved; and the fixing assembly is arranged, so that the loading assembly can be fixed and is prevented from falling off after being mounted, and the safety is improved.

The utility model discloses a lens assembly, a lens and an image pickup device. The lens assembly comprises a skeleton, a focusing group and a driving mechanism. The focusing group comprises a lens group frame, and a focusing lens and an elastic clamping piece which are arranged on the lens group frame; the lens group frame is arranged in the skeleton in a sliding manner along the axial direction of the optical system; the driving mechanism comprises an installation support, a piezoelectric actuator and a friction rod, the piezoelectric actuator and the friction rod are arranged on the installation support, the installation support is arranged on the side wall of the framework, the piezoelectric actuator and the friction rod are adhered in the axial direction of the optical system, and the friction rod is clamped on the elastic clamping piece. According to the technical scheme, the piezoelectric actuator is adopted as a power source, the focusing set is driven to move in the framework in the axial direction of the optical system based on the piezoelectric stick-slip driving principle to achieve the focusing purpose, the design size of the driving mechanism can be effectively reduced, the size of the lens is further reduced, and the focusing speed of the lens is increased.

The present invention discloses a magnetic bearing structure for a composite material shaft and an assembly method thereof. The magnetic bearing structure includes a sleeve assembly, a magnetic bearing base assembly, and a base sleeve assembly. The sleeve and its parts are fixed on the composite material shaft and rotate with the shaft; the magnetic bearing base and its parts, the base sleeve and its parts are fixed at the position where the bearing structure needs to be installed. During normal operation, the radial magnetic bearing on the base generates an electromagnetic force acting on the rotor ring in the sleeve, thereby supporting the sleeve and the composite material shaft. At the same time, the two groups of axial magnetic bearings on the base and the base sleeve and the different orientations of the permanent magnetic ring on the sleeve form magnetic forces in different directions to control the sleeve from axial deviation. Ensure that the radial magnetic bearing can work in a normal position. The present invention successfully realizes the successful application of magnetic bearings to composite material shafts.

The embodiment of the invention discloses a piezoelectric motor driving system and method based on an H-bridge circuit and a piezoelectric motor. According to the technical scheme provided by the embodiment of the invention, one half H-bridge circuit is selected to be switched off by controlling the change-over switch, and the other two half H-bridge circuits are kept to be switched on; and the driving circuit is used for inputting a driving signal so as to respectively output a high-level square wave driving signal and a low-level square wave driving signal to two poles with different polarities of the first piezoelectric sub-block or the second piezoelectric sub-block from the output ends of the two half H-bridge circuits which are kept to be conducted, so that the first piezoelectric sub-block or the second piezoelectric sub-block is driven. Therefore, the power supply configuration is reduced, the piezoelectric motor driving circuit is simplified, the design complexity and the design cost of the piezoelectric motor driving system are reduced, the design size of the piezoelectric motor is smaller, and the miniaturization design requirement of the piezoelectric motor is met.

The embodiment of the invention discloses a piezoelectric motor driving system and method and a piezoelectric motor. According to the technical scheme provided by the embodiment of the invention, the first output end of the H-bridge circuit is connected with the first pole of the piezoelectric block, and the second output end of the H-bridge circuit is connected with the second pole of the piezoelectric block; a high-level square wave driving signal is input to the H-bridge circuit, so that the high-level square wave driving signal is output from the first output end of the H-bridge circuit to a first pole of the piezoelectric block, and a low-level square wave driving signal is output from the second output end of the H-bridge circuit to a second pole of the piezoelectric block; and a low-level square wave driving signal is input to the H-bridge circuit, so that the low-level square wave driving signal is output from the first output end of the H-bridge circuit to a first pole of the piezoelectric block, and a high-level square wave driving signal is output from the second output end of the H-bridge circuit to a second pole of the piezoelectric block. Therefore, the piezoelectric motor driving circuit is simplified, the design complexity and cost of the piezoelectric motor driving system are reduced, and the miniaturization design requirement of the piezoelectric motor is met.