13results about How to "Small structural changes" patented technology

An automatic cleaning device for water-based coatings includes a mixing tank (1), a drive motor (2), a base box (3), a feed inlet (4), a water inlet (5), a hollow mixing shaft (6), mixing blades with spray nozzles (7), spray nozzles (7a), a sound insulation and heat preservation layer (8), an annular air duct (9), an air inlet pipe (10), a tank wall spray ring (11), a nozzle (11a), a discharge port (12), a liquid discharge port (13), a water pump (14), a cleaning agent tank (15), a liquid level sensor (16), a control system (17), and a base (18). This device utilizes a rotating mixing shaft and blades to effectively carry the cleaning solution through high-pressure rotary spraying, reducing the consumption of cleaning solvents and water, thus saving resources. The cleaning is thorough, ensuring no residue remains on the tank, mixing shaft, and blades, greatly reducing the risk of cross-contamination between different batches or colors of coatings.

The invention discloses a combined structure of a push plate and a magnetic steel assembly and a magnetic latching relay, and belongs to the technical field of electromagnetic magnetic latching relays. The combined structure comprises a pushing plate and a magnetic steel assembly. A cylindrical clamping part is arranged at the tail part of the pushing plate, and at least one local thinning area is processed in the thickness direction of the pushing plate. And the top end of the magnetic steel assembly is provided with a clamping groove with an opening part with narrowed width. The local thinning area is aligned with and penetrates through the opening part to complete assembly, the radial size of the clamping part in the non-thinning area is larger than the width of the opening part, and the clamping part can rotate in the clamping groove and cannot be disengaged after being installed. The problem that the push plate is easy to fall off from the magnetic steel assembly is solved, and the push plate has the advantages of being easy and convenient to assemble, reliable in connection and long in service life.

The utility model discloses a refrigerator which comprises a refrigerator body, an inner container, a door body, a container and a magnetic generation assembly. The container comprises a container body and a drawer which are arranged in the refrigeration chamber, the container body forms a containing cavity with an opening in the front side, and the drawer is arranged in the containing cavity in a drawable mode and can open and close the opening in the front side of the containing cavity; a reinforcing rib layer is arranged on the outer side wall of the container body and comprises a plurality of transverse ribs and vertical ribs, the transverse ribs and the vertical ribs are arranged in a crossed mode to form a net structure with a plurality of grids, and clamping holes are formed in at least part of the side walls of the grids; the magnetic generation assembly comprises a shell and a magnetic part, the edge of the shell is provided with a buckle capable of being clamped into the clamping hole so that the shell can be buckled to the reinforcing rib layer, the shell and the reinforcing rib layer can form an installation cavity in an enclosing mode, the magnetic part is contained in the installation cavity, and the magnetic part is configured to enable the containing cavity to have a magnetic field. According to the refrigerator, the technical problems that a magnetic part is inconvenient to arrange, later dismounting and maintenance are not facilitated, and the fresh-keeping effect is poor can be solved.

The application discloses a three-dimensional knife library, an automatic powder printing system and a scraper replacing method, and belongs to the technical field of additive manufacturing. The system comprises a forming chamber and a scraper positioning assembly arranged in the forming chamber. The scraper positioning assembly is connected with the scraper in a lockable mode and is used for leveling the scraper. The forming chamber is provided with a sealable scraper replacing opening and is communicated with the three-dimensional knife library through the scraper replacing opening. The three-dimensional knife library is automatically controlled to realize the recycling of the replaced scraper and the installation of a new scraper. The scraper positioning assembly in the system is used for automatically leveling the scraper, and the three-dimensional knife library is used for automatically recycling the replaced scraper and automatically installing the new scraper, so that the problem that the scraper cannot be automatically replaced and leveled in the prior art is solved.

The invention discloses a preparation method and application of an oxide glass electrode of a lithium ion capacitor, and belongs to the technical field of oxide glass electrodes, and the preparation method of the oxide glass mainly comprises the following steps: weighing glass raw materials according to glass composition, uniformly mixing, heating, melting, cooling and annealing, grinding the annealed glass into glass powder, and preparing for preparing an electrode plate; the preparation method comprises the following steps: weighing an active substance, a conductive agent and a binder in proportion, mixing in a ball milling tank, and dropwise adding a proper amount of dispersant for ball milling; blade-coating the slurry on a metal aluminum foil current collector for drying; and cutting the dried pole piece into electrode slices by using a slicing machine to prepare for assembling the lithium ion capacitor. According to the preparation method and application of the oxide glass electrode of the lithium ion capacitor, the obtained oxide glass electrode shows excellent electrochemical performance, meanwhile, the production process is simple, no pollution is caused to the environment, good application prospects are achieved, and more choices are provided for electrode materials of the lithium ion capacitor.

The invention discloses a method for suppressing coupling interference of a communication line of a high-voltage wiring harness of an electric vehicle, and the method comprises the steps: constructing an interference reference signal and a communication interference observation signal based on a current sampling signal of the high-voltage wiring harness and a receiving end voltage monitoring signal of the communication line, and generating an interference frequency band configuration parameter in combination with short-time Fourier transform, a cancellation signal is output under the constraint least mean square adaptive framework and is superposed and fed back through a cancellation injection network, so that the coupling interference voltage is constrained by a suppression threshold value when the interference level changes; the problem that it is difficult to carry out broadband and working condition self-adaptive suppression on a high-voltage wire harness communication line coupling channel in an existing electric vehicle noise elimination technology and an active electromagnetic interference filtering technology is effectively solved.

The application discloses a self-cleaning structure of a washing machine and a use method, relates to the technical field of washing machine cleaning, and comprises a washing machine outer drum, an inner drum and a rotating shaft. A plurality of through holes are arranged on the outer drum wall, and a fan-shaped nozzle type spray head is arranged outside each through hole. The jet flow of the spray head passes through the through hole and is directed to the interlayer between the inner drum and the outer drum, and the inner drum tripod dead angle is directionally sprayed. A cleaning agent box, a cleaning agent premixing box, a booster pump and an independent water delivery pipeline are arranged in the washing machine body. The water inlet is communicated with the premixing box, and the premixing box outlet is connected with each spray head through the booster pump. During use, the external water and the cleaning agent are mixed in the premixing box according to a proportion, and the mixture is sprayed into the interlayer by the spray head after being pressurized by the high-pressure pump, so that 360-degree cleaning is realized in cooperation with the self-rotation of the inner drum. The structure adopts a two-stage self-cleaning mode combining chemical dissolution and physical flushing, can effectively remove the residual washing powder and chemical deposits such as scale that are not melted on the tripod, and prevents the spray head from being blocked.

The utility model discloses a kind of adjustable steam extraction devices for adjusting extraction steam turbine, belong to the field of steam turbine in electric power energy industry.The device includes the intermediate steam chamber and cylinder outer pipeline system in steam turbine cylinder;The intermediate steam chamber is composed of semicircular steam chamber upper half and steam chamber lower half, the inside of steam chamber lower half is equipped with steam chamber, the bottom of steam chamber is equipped with inlet steam guide pipe, the axial steam outlet side of steam chamber is equipped with several vane nozzle steam channel;The steam chamber upper half is baffle in axial steam outlet side;The cylinder outer pipeline system includes the pipeline of intercommunication intermediate exhaust steam chamber and intermediate steam chamber, butterfly valve is equipped on pipeline, part of steam body discharged from intermediate exhaust steam chamber is transported to intermediate steam chamber by the cooperation of pipeline and butterfly valve.The utility model has good steam tightness, high steam control precision, simple structure.

This invention provides a refrigerator. It includes a cabinet, a door, a refrigeration system, and a heat source. The refrigeration system includes a cabinet side portion, a door side portion, a first connecting pipe, and a second connecting pipe. The cabinet side portion is installed in the cabinet and has a compressor. The door side portion is installed in the door and has a first throttling device and a first evaporator. The inlet of the first evaporator is connected to the outlet of the first throttling device. One end of the first connecting pipe and one end of the second connecting pipe are respectively connected to the cabinet side portion at two locations on the cabinet side portion. The other end of the first connecting pipe is connected to the inlet of the first throttling device, and the other end of the second connecting pipe is connected to the outlet of the first evaporator. The heat source is configured to heat part or all of the first connecting pipe. Heating the first connecting pipe with the heat source reduces the risk of condensation on the exposed portions of the high / low pressure connecting hoses.

The invention relates to the technical field of agricultural equipment, in particular to the technical field of seeding machines, in particular to a seeding monitoring system and method of a seeding machine, solves the problems of inaccurate seed leakage monitoring, high cost and poor applicability in the prior art, and is simple in structure, controllable in cost, capable of accurately identifying seed leakage and high in practicability. A first monitoring unit and a second monitoring unit are arranged on the inner side of the top of the shell, the first monitoring unit and the second monitoring unit form a first monitoring point and a second monitoring point on the transmission track of the seed spoon respectively, the first monitoring point is located at the upstream of the seed spoon separation area, and the second monitoring point is located at the downstream of the seed spoon separation area; the distance between the first monitoring point and the second monitoring point is smaller than the distance between the seed spoons.

The application belongs to the technical field of aqueous zinc ion batteries, and particularly relates to a solution preparation method of amorphous organic hybrid vanadium oxide working electrode and application of the amorphous organic hybrid vanadium oxide working electrode in aqueous zinc ion batteries. The application dissolves the crystalline organic hybrid vanadium oxide in an organic solvent to form an organic hybrid vanadium oxide solution, and adds a conductive agent and a binder into the solution to prepare the amorphous organic hybrid vanadium oxide working electrode through concentration and drying. The amorphous hybrid vanadium oxide working electrode prepared by the application exhibits high specific capacity, good rate performance and excellent cycle stability as an energy storage electrode of aqueous zinc ion batteries.

The invention discloses an AC power adjustable IGBT module test system and method, and belongs to the technical field of electronic device test. The system comprises a first IGBT half-bridge module, a second IGBT half-bridge module and an AC branch. The alternating current output end of the first IGBT half-bridge module and the alternating current output end of the second IGBT half-bridge module are connected through an alternating current branch. The alternating current branch comprises an adjustable resistor unit, the adjustable resistor unit comprises a fixed resistor and a pair of antiparallel thyristors connected with the fixed resistor in parallel, and gate poles of the two thyristors are connected with the output end of the controller. According to the system, the adjustable resistor unit intelligently controlled by the thyristors is connected in series in the alternating current branch, the adjustable resistor unit is formed by connecting the fixed resistor and the pair of antiparallel thyristors in parallel, and the IGBT half-bridge module is cooperatively controlled by controlling the conduction angle and the on-off state of the thyristors, so that the IGBT half-bridge module can be switched on and off. And the loop equivalent resistance of the alternating-current branch is changed steplessly and quickly, so that the continuous adjustment of the alternating-current power is realized.

The invention relates to a mounting structure and a mounting method for an adjustable stationary blade, a gas compressor and a gas turbine engine. The mounting structure comprises an adjustable stationary blade, the adjustable stationary blade comprises a blade body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are connected with the radial inner end and the radial outer end of the blade body respectively, and the first connecting part is provided with a first platform part connected with the blade body and a first rotating shaft part protruding out of the first platform part; the second connecting part is provided with a second platform part connected with the blade body and a second rotating shaft part protruding from the second platform part, the first platform part and the first rotating shaft part form a first shaft shoulder, and the second platform part and the second rotating shaft part form a second shaft shoulder; the intermediate case comprises an intermediate case outer ring and an intermediate case inner ring positioned on the radial inner side of the intermediate case outer ring; the first bushing is arranged on the first connecting part in a sleeving manner; and the second bushing is arranged on the second connecting part in a sleeving manner.