1302results about How to "Achieve normal work" patented technology

An electrode holder comprised of a press and a clamp has at the bottom of the clamp adapted with a cylindrical base to allow one end of an electrode lead to pass through; the lead end being fastened in place by a bolt in conjunction with a protection pad covering up the cylindrical base so that in the course of welding, the point of heat conduction being kept farthest as from the hand gripping the holder to achieve working comfort.

The invention relates to a method for stripping residual pump light in a double-coated optical fiber, which comprises the steps of: removing an outer coating and a cladding layer of one section of the double-coated optical fiber at the output end of a full optical fiber laser; covering optical gel with high refractive index outside an inner coating of the section of the optical fiber, wherein the refractive index of the optical gel is higher than that of the inner coating of the double-coated optical fiber; leaking light transmitted in the inner coating out through the optical gel, and fully absorbing the leaded pump light with high power by a heat radiating device. The invention has the characteristics of compact structure and convenient integration, and can be applied to a high-power optical fiber laser or high-power optical fiber amplifier.

The invention discloses a charging device for a new-energy vehicle. The charging device includes a column and a sliding cavity which is arranged in the column, the upper portion of the left side of the column is provided with an insertion cavity, a power supply part for being in matched connection with a charging part of the new-energy vehicle is arranged in the sliding cavity in an up and down sliding mode, the power supply part includes a downward sliding part and an upward sliding part which is fixedly connected with the downward sliding part, the left side of the upward sliding part is provided with a first power supply hole, the right side of the upward sliding part is provided with a power supply column, and a locking part for locking the charging part is further arranged in the upward sliding part. The charging device for the new-energy vehicle is simple in overall structure, safe and stable in running, relatively low in cost, convenient to mount and maintain and easy to operate, the continuity of electric vehicle charging can be achieved, charging is prevented from being broken midway, and the charging device is suitable for popularization and usage.

The invention relates to a high-speed photoelectric subassembly and a flip chip structure thereof. The flip chip structure comprises an insulating substrate, a photoelectric conversion chip and at least one correlative electronic chip, wherein a flip surface of the photoelectric conversion chip is connected with the insulating substrate through at least one pad; a flip surface of the correlative electronic chip is connected with the insulating substrate through at least one pad; a high-speed transmission circuit is arranged between the correlative electronic chip and the photoelectric conversion chip; another high-speed transmission circuit is arranged between the correlative electronic chip and a high-speed electric signal port of a packaging apparatus; a periphery circuit of a chip is arranged among the photoelectric conversion chip, a correlative electric chip and other parts of the packaging apparatus; and the pads, the high-speed transmission circuits and the periphery circuit of the chip form a metal film circuit on the insulating substrate.

The invention discloses a multiple input multiple output (MIMO) array antenna, comprising a dielectric material plate, antenna units, floors and a decoupling network, wherein the antenna units are arranged at one end of the dielectric material plate and distributed at two sides of the center line of the dielectric material plate symmetrically so as to form an antenna array; the antenna units are connected with the dielectric material plate by framing members and are also connected with the decoupling network by shrapnels or soldered dots; the decoupling network is printed on the front side of the dielectric material plate, which is used for eliminating the coupling among the antenna units; and the floors are printed on the back side of the dielectric material plate. In the array antenna, the antenna units and the decoupling network are small in size, thus being applied to mobile terminals with small size; the decoupling network is of a microstrip line structure, thus being simple to realize and stable in performance; and the convex floors are used, thus being easy to adjust the impedance match of the antenna and realizing wide band work of the antenna.

The invention discloses a shift register and a grid drive circuit. The shift register comprises a signal input unit, a reset control unit, a glowing signal output control unit and a scanning signal output control unit; in a charging stage, the signal input unit controls the glowing signal output control unit to conduct a first reference signal terminal and a glowing signal output terminal, and controls the scanning signal output control unit to conduct a second clock signal terminal and a scanning signal output terminal; in a scanning signal output stage, the scanning signal output terminal outputs a scanning signal; in a glowing signal output stage, the glowing signal output terminal outputs a glowing signal. The shift register provided by the embodiment of the invention integrates the functions of outputting the scanning signal and the glowing signal, so that a glowing drive circuit, which is arranged on the frame of an OLED display panel and is used for providing glowing signals for all pixel circuits, is eliminated; the shift register is conducive to narrow frame design of the display panel.

The invention discloses a methanol water hydrogen-making machine and a hydrogen-making method thereof. The methanol water hydrogen-making machine comprises a methanol water storage container, a delivery pump, a heat exchanger, a reformer, a separation device and a fuel cell, wherein the delivery pump is used for delivering methanol and water inside the methanol water storage container to a reforming chamber of the reformer; the heat exchanger is used for carrying out heat exchange on the low-temperature methanol and water and a high-temperature mixed gas output from the reforming chamber; the reformer is provided with the reforming chamber and an electric heater, and the electric heater provides heat energy for the reforming chamber; and the high-temperature mixed gas which takes carbon dioxide and hydrogen as main parts is prepared in the reforming chamber, passes through the heat exchanger and then enters the separation device to be separated to obtain the hydrogen, and a part of the hydrogen enters the fuel cell and generates electrochemical reaction in the fuel cell to generate electric energy to provide electricity for the delivery pump and the electric heater. According to the methanol water hydrogen-making machine, the reformer has no need of being provided with a combustion chamber, an air inlet fan, an air inlet channel and a smoke window, the heating temperature inside the reformer is easily controlled and stable, and the reformer is simple in structure, stable in work and low in overhaul difficulty.

The invention discloses a cascade full-bridge direct-current circuit breaker low-voltage equivalent test circuit and a detection method thereof. According to the equivalent test circuit and the detection method, the action process of the cascade full-bridge high-voltage direct-current circuit breaker is simulated by utilizing a low-voltage device and a circuit through impedance equivalence according to a current transfer and cut-off process time equivalence principle, the equivalence of two current conversion times of the cascade full-bridge high-voltage direct-current circuit breaker can be realized, so that the requirement for controlling and protecting equipment time sequence can be accurately verified, the quantity of transfer submodules can be different by simplifying the equivalent condition under the condition that the voltage ratio, the current ratio and the impedance ratio satisfy the proportional relation, and the equivalence of the two current conversion times can be realized. According to the equivalent test circuit, the verification for the working principle and secondary control protection device of the cascade full-bridge high-voltage direct-current circuit breaker can be realized by utilizing relatively low cost, and the working process of the high-voltage direct-current circuit breaker can be well reflected.

The invention discloses a garbage disposal device, which comprises a frame body, a compression groove is arranged inside the right side of the frame body, a variable chamber is arranged inside the frame body on the left side of the compression groove, and first internal spirals are respectively arranged on the upper and lower sides of the variable chamber. There is a first sliding joint groove on the left side of the variable chamber, a concave groove at the bottom of the first sliding joint groove, and a There is a first guide rod, and the first guide rod is slidably connected with a first sliding joint block extending to the right side. The outer surface of the first guide rod at the bottom of the first sliding joint block is provided with a first coil, and the first sliding joint The extended part on the right side of the block penetrates into the variable chamber and is slidingly connected with the right side wall of the variable chamber. The first sliding block in the variable chamber is equipped with a motor, and the upper and lower ends of the motor are equipped with transmission shafts. There is a transmission cavity inside the frame body; the invention has the advantages of simple structure, convenient operation, low manufacturing and maintenance costs, fast compression speed, high stability, good compression quality, reasonable discharge of sewage, clean and hygienic.

An ultrasound imaging breast tumor detection and diagnostic system and method is disclosed. The method uses the system to acquire a plurality of 3D breast ultrasound images, and then to cut out multiple regions from the 3D breast ultrasound images using a 3D means shift algorithm, and then to acquire the mean grayscale value (MGV) of each region, and then to classify the regions to groups subject to the mean grayscale value (MGV), and to merge each of the regions of the darkest group with adjacent regions of the similar grayscale into a respective suspicious tumor tissue full region, and then to recognize each suspicious tumor tissue full region to be a tumor tissue region or non-tumor tissue region. Thus, using region as the basic computing unit, tumor tissues are quickly recognized from the 3D breast ultrasound images.

The invention discloses a high and low temperature-resistant video monitoring device, comprising an outer barrel, a bellows internal barrel, an exterior mirror flange, a fixed end cover welding flange, a first vacuum double-glazed sight glass, an electric heating wire, an LED (Light Emitting Diode) lamp, a camera, an air suction pipe, an air return pipe, a vacuumizing pipe, a ring-shaped air diffusing circle, a hermetic aviation connector, a first KF joint, a second KF joint, a third KF joint, an adiabatic support, a first oxygen-free copper seal ring, a second oxygen-free copper seal ring, athird oxygen-free copper seal ring, bolts and a second vacuum double-glazed sight glass. Heat is preserved between the outer barrel and the internal barrel through a vacuum multi-layer adiabatic heatpreservation method, when the external environment working condition is the high-temperature working condition, the device is cooled by nitrogen, and when the external environment working condition is the low-temperature working condition, a method of active heating compensation is used, so that video monitoring and lighting devices in high temperature environment or low temperature environment can work regularly.

The invention relates to the technical field of special robot systems, in particular to a household security robot system based on wireless communication. The system comprises a robot body and an intelligent control terminal. The robot body is equipped with a mechanical arm and a camera. A base is arranged at the bottom of the robot body. A driving device, a storage battery, a main control unit, a data memory, a sensor unit, a wireless communication unit, a household control unit, an electric quantity detection device, a speech recognition device and an alarm are arranged on the base. A sensor unit comprises an obstacle avoiding sensor and a human body infrared sensor. The speech recognition device comprises a microphone and a sound positioning device. The security robot system has various functions, and is capable of achieving remote control, highly practical and suitable for promotion in the field.

The invention discloses a methanol-water reforming hydrogen making machine and a hydrogen making method thereof. The methanol-water reforming hydrogen making machine comprises a methanol-water storage container, a delivery pump, a heat exchanger and a reformer. The reformer is provided with a reforming chamber, an electromagnetic heater and a hydrogen purification device. The electromagnetic heater comprises an electromagnetic coil and a metal magnet, the electromagnetic coil can generate a high frequency magnetic field after being powered up, and the metal magnet can be inducted by the magnetic field to give out heat, so that heat energy is provided for the reforming chamber. The reforming chamber is used for conducting a reforming hydrogen making reaction of methanol and water, and high temperature mixed gas mainly containing carbon dioxide and hydrogen is obtained; after heat of the high temperature mixed gas output from the reforming chamber is separated by the hydrogen purification device, hydrogen can be obtained from the hydrogen producing end of the hydrogen purification device. The methanol-water reforming hydrogen making machine is long in service life, small in amount of maintenance, small in heat lag, accurate to control, high in starting speed of the reformer, high in heat efficiency and even in heating.

The invention discloses a microgrid system and a control method. The microgrid system comprises a plurality of energy storage converters connected in parallel between a DC bus and an AC bus; the AC sides of the energy storage converters are connected in parallel through an AC bus and then connected with the grid-connected or parallel control cabinet; the grid-connected or parallel-connected control cabinet receives an instruction of a coordination control device of the microgrid and controls the microgrid to work in a grid-connected mode or an off-grid mode; the grid-connected or parallel-connected control cabinet obtains a current component reference value of a current inner loop through outer loop control, and sends the obtained current component reference value to each energy storage converter connected in parallel; and each energy storage converter performs current inner loop operation according to the received current component reference value to obtain a driving signal for driving the switching tube of the energy storage converter to be switched on and switched off. According to the method, the information processing speed of the microgrid during information processing can beincreased, Meanwhile, the problems of respective sampling of each energy storage converter in the microgrid energy storage system and imbalance of outer loop calculation errors can be effectively eliminated.

The invention discloses a hypersonic aircraft pitch channel attitude control method in consideration of attack angle constraint, and relates to a attitude control system design method for a hypersonic aircraft pitch channel, so as to solve the problem that attack angle constraint is not considered when aircraft attitude control is designed in the prior art. Appropriate control algorithm is designed according to the given attack angle instruction alpha C, a lifting rudder instruction deltaz is generated to enable the actual attack angle alpha to track asymptotically the attack angle instruction alpha C and to enable the actual attack angle alpha to vary constantly in the range of [alphamin, alphamax]. During the flying process of the aircraft, the attach angle can track asymptotically the attack angle instruction, variation of the attach angle does not exceed the allowable range, and thus a motor can be ensured to work normally and realization of the flying task can be ensured. The method of the invention can be applied to attitude control of the hypersonic aircraft pitch channel.

The invention discloses biological test tube cleaning, disinfecting and drying equipment. The biological test tube cleaning, disinfecting and drying equipment comprises a box. The box is provided witha cleaning cavity and a water cavity. An activated carbon plate and a filter plate are fixedly mounted in the water cavity. The activated carbon plate is located under the filter plate. A water pumpis fixedly mounted on one side of the box. The suction end of the water pump is fixedly connected with a water suction pipe. The end, far away from the water pump, of the water suction pipe extends into the water cavity and is located below the activated carbon plate. The discharge end of the water pump is fixedly connected with a drain pipe. The end, far away from the water pump, of the drain pipe extends into the cleaning cavity. A partition plate is fixedly mounted in the cleaning cavity. The biological test tube cleaning, disinfecting and drying equipment is reasonable in design, good in practicality, capable of realizing integration operation of cleaning, drying and disinfecting of test tubes without manual cleaning and capable of saving time and labor, improves the working efficiency, has the good cleaning, drying and disinfecting effects on the test tubes and can filter and purify waste water obtained after cleaning for recycling and save water resources.

The invention discloses a dustless and environment-friendly stone grinding device. The dustless and environment-friendly stone grinding device comprises a shell. The shell is internally provided with a grinding cavity, a first sliding groove is formed in the left side of the inner top wall of the grinding cavity, and a second sliding groove formed in a longitudinal extending mode is formed in the inner wall of the right side of the grinding cavity. An opening is formed in the position, below the second sliding groove, of a wall body of the right side of the shell in a penetrating mode, wherein the left side end of the opening communicates with the grinding cavity. The left side and the right side of the inner bottom wall of the grinding cavity are provided with a fixed connecting assembly and a sunk groove correspondingly. The first sliding groove is internally provided with a threaded rod which is arranged in a left-and-right extending mode, and the threaded rod is connected with a movable block in a screw-thread fit mode, wherein the bottom of the movable block stretches into the grinding cavity. The movable block is internally provided with a first sliding cavity which is internally connected with a lifting sliding block in a sliding-fit mode, and edges of the tops of the two sides of the lifting sliding block are provided with convex sliding blocks which are connected with the inner walls of the two sides of the first sliding cavity in the sliding-fit mode. The dustless and environment-friendly stone grinding device is simple in structure, convenient to operate, high in safety, capable of automatically controlling opening and closing of a clapboard, good in dust collection effect, accurate in grinding and high in stability.

The present invention relates to a preparation method of a solid state lithium battery composite cathode film, belonging to the technical field of battery cathode materials. In order to solve the problems that sintering aids are required being added and the internal resistance of the interface is high in the prior art, the present invention provides a preparation method of a solid state lithium battery composite cathode film. The method comprises the steps of: performing uniform mixing and ball milling of active cathode particles and LLZO solid electrolyte particles in proportion, then dryingthe mixture to obtain composite cathode powder body particles, wherein the mass content of the LLZO solid electrolyte particles in the composite cathode powder body particles is 5.0-35wt%; mixing thecomposite cathode particles, a binder, adhesives, a dispersing agent, a plasticizer and a solvent to form a composite cathode slurry; and performing tape casting of the composite cathode slurry to prepare a composite cathode blank film, performing drying and rubber discharging of the composite cathode blank film, and performing low-temperature sintering processing at a temperature of 650-850 DEG Cto obtain a composite cathode film. The preparation method of the solid state lithium battery composite cathode film can effectively improve the interface densification, can reduce the interface impedance and can reduce the interface charge transfer resistance.

The invention discloses a hair dryer device. The hair dryer device comprises an electricity connection shell and a skating cavity formed in the electricity connection shell, the upper portion and the lower portion of the right side of the electricity connection shell are provided with hanging arms front and back in a corresponding mode, each hanging arm is provided with a hanging hole, the upper portion of the left side of the electricity connection shell is provided with an inserting groove, the skating cavity is provided with an electricity connection device which is capable of sliding left and right and is used for being coordinately connected with an electricity connection pin which connects the hair dryer, the electricity connection device comprises a lower movable section and an upper movable section which is fixedly connected with the lower movable section, the left side of the upper movable section is provided with a first electricity connection groove, the right side off the upper movable section is provided with an electricity connection column, and the upper movable section is further provided with a locking-connecting device which is used for conducting locking-connecting on the electricity connection pin. The hair dryer device is simple in overall structure, safe and stable in operation, low in cost, convenient to install and maintain, and simple in operation; meanwhile, the continuity of power supply to the hair dryer can be achieved, the situation that the power supply is broken down halfway is prevented, and thus the hair dryer device is suitable for being applied and popularized.