47results about How to "Easy to lead" patented technology

The present invention relates to an air conditioner filter screen detection and maintenance prompting device and method. Said device includes reflective sensor mounted in the glass cover and in the inside of filter screen, sensor circuit mounted on the circuit board for inputting sensor detection signal into microcomputer, microcomputer mounted on the circuit board for receiving sensor signal and giving out control signal, buzzer drive circuit for receiving microcomputer control signal. LED display circuit and LED. Said invention also provides the concrete several stages of said prompting method.

The invention discloses a sewage monitoring system based on FCM and BP algorithms and an establishment method thereof. The system comprises a data acquisition module, a water quality monitoring management platform and a PC control terminal. Water quality data information is acquired through the data acquisition module, the water quality monitoring management platform processes the data and displays the data through the PC control terminal, and meanwhile, the PC control terminal sends an acquisition command to the data acquisition module to form a closed cycle so as to perform real-time onlinemonitoring on sewage. In the data processing process, a water pollution source is analyzed through FCM and BP neural network algorithms, and an obtained sample is high in quality, high in convergencespeed and low in sample dependence; meanwhile, the position and influence range of a pollution source can be quickly and accurately determined through a particle swarm optimization algorithm, and themethod has the advantages of high processing precision and high speed; and meanwhile, the sewage monitoring system has the advantages of reducing the pollution of sewage to the environment and improving the resource utilization efficiency during use.

The invention relates to a multifunctional tourist attraction service system with a team organization function and a realization method. Based on a communication function, a GPS (Global Position System) positioning function, a network connection function, a voice input and playing function, an information display and operation function and the like on an intelligent mobile terminal, the intelligent mobile terminal is connected with a network server and a processor to form the multifunctional tourist attraction service system with the team organization function; the service system is used for carrying out real-time dynamic monitoring on users and providing a series of service supports including supports on positioning and navigation of the users, tourist attraction information display and broadcasting and salvation services, so that a leader or a tour guide can conveniently manage and lead, and furthermore, the management efficiency and the communication efficiency are improved; and the service system has abundant tourism functions, can provide functions and services of accurate navigation, introduction, route recommending, reminding of lagging behind, warning of dangerous zones, tourist attraction congestion reminding and the like, and can bring relatively great convenience for the users in tourist attractions.

The invention discloses a two-dimensional scanning micromirror of an electrostatic drive microelectromechanical system. The two-dimensional scanning micromirror mainly comprises a low-resistance silicon substrate located on the bottommost layer, fixed comb teeth, comb tooth leads, movable comb teeth, a two-dimensional scanning micromirror set, supporting beam sets and anchor positions, wherein the fixed comb teeth and the comb tooth leads are located on the middle layer, the movable comb teeth, the two-dimensional scanning micromirror set and the supporting beam sets are located on the topmost layer, and the anchor positions are located on both the middle layer and the topmost layer. Four L-shaped supporting beams are introduced in the X-axis direction as the mirror plane rotating shaft in the X-axis direction, so that the leads of the internal fixed comb teeth just pass through the center of the gap between every two adjacent L-shaped supporting beams. Due to the design, the device structure and the machining technology can be simplified, cost is reduced, the leads of the micromirror can be led more conveniently, and thus a large-scale micromirror array can be formed conveniently. The two-dimensional scanning micromirror is of vital significance in expanding the application fields of two-dimensional scanning micromirrors of electrostatic drive microelectromechanical systems.

The invention provides a wave energy power generation device. A floater and a conical end cover of the wave energy power generation device are located at the two ends of a machine shell, and the floater, the conical end cover and the machine shell form a sealed cavity. A stator, a rotor, springs and a rotor sliding rail are sealed in the machine shell. The stator is cylindrical, located on the inner side of the machine shell and formed by alternately stacking a plurality of stator units which are the same in thickness and a plurality of stator magnetism isolating rings which are the same in thickness in the axial direction. Stator teeth are uniformly distributed on the inner side of each stator unit. A coil is wound on each stator tooth. A square hole is formed in the top of each stator tooth. A square radially magnetized permanent magnet is embedded in each square hole. The magnetic poles of the permanent magnets are alternately arranged in the circumferential direction. The rotor is cylindrical, located on the inner side of the stator and formed by alternately stacking a plurality of rotor magnetism conducting rings which are the same in thickness and a plurality of rotor magnetism isolating rings which are the same in thickness in the axial direction. The rotor and the springs are installed on the rotor sliding rail. The rotor can slide up and down along the rotor sliding rail. The rotor sliding rail and the machine shell are concentric and coaxial, and the two ends of the rotor sliding rail are fixed to the floater and the conical end cover correspondingly. The springs are located on the two sides of the rotor and connected with the floater and the conical end cover correspondingly.

The invention discloses a propeller and an aircraft. The propeller comprises a burner, a gas entering mechanism, a gas discharging mechanism, a transmission mechanism and a shell, wherein the burner is provided with a burning chamber; the gas entering mechanism comprises a pressing assembly which comprises a pressing shell, a pressing gear and a pressing blade; the pressing shell is provided withan air inlet runner and a pressing gear chamber; the pressing gear is provided with a pressing hollow cavity; the gas discharging mechanism comprises an exhausting assembly which comprises an exhausting shell, an exhausting gear and an exhausting blade; the exhausting shell is provided with an exhausting runner and the exhausting gear cavity; the exhausting gear is provided with an exhausting hollow cavity; the transmission mechanism comprises a transmission assembly which comprises an air inlet transmission gear, an exhausting transmission gear and a transmission connecting part; and the shell is provided with a mounting cavity, and the burner, the gas entering mechanism, the gas discharging mechanism and the transmission mechanism are separately mounted in the mounting cavity of the shell. The propeller is simple and compact in structure and space-saving.

Provided is a pipeline thread guide, comprising a head umbrella, a tail umbrella, a spring, a pulley and a stay rope. Rib tails of the head umbrella and the tail umbrella are provided with locking pins. In use, the head umbrella and the tail umbrella are plugged into a pipeline, the stay rope is pulled, the head umbrella and the tail umbrella are open in turns, and the locking pins support the inner wall of the pipeline; when the head umbrella supports the inner wall of the pipeline, the tail umbrella is dragged forwards; when the tail umbrella supports the inner wall of the pipeline, under the effect of the spring, the head umbrella is pushed forwards; the stay rope is continuously pulled and loosened, so that the head umbrella and the tail umbrella are continuously pushed forwards until penetrating the whole pipeline.

The invention provides road edge stone with novel structure, which relates to the fields of city street lighting, city landscape and road traffic safety. When the road edge stone is manufactured, as required, the inner part, the upper part and the back side surface of the road edge stone are reserved with holes by which cables and illuminating lamps are laid and connected in advance, during laying assembly, the cables laid for illumination and communication are directly inserted into the holes of the road edge stone, as required, necessary interfaces for external wiring are reserved in advance, and the road edge stone is pre-buried and laid at a time. The road edge stone has the advantages of facilitating the connection of street lamps and other communication lines, saving investment cost of laying the cables, bring great convenience to the maintenance/repairing of the cables and prolonging the service life of the cables; moreover, the upper part of the road edge stone can be provided with the illuminating lamps, which not only beautifies city landscape, but also gives traffic safety warnings to people walking or driving at night.

The invention relates to an ultraviolet light emitting diode and a preparation method. The device comprises a light-emitting layer, a P-type layer located on one side of the light-emitting layer, and an N-type layer located on the other side of the light-emitting layer. A plurality of through holes are spaced apart from the P-type layer, and each through hole extends from the P-type layer to the The light-emitting layer is penetrated below, and N electrodes are arranged in each of the through holes. One end of the N electrode extends out of the P-type layer to form an N-terminal electrode, and the other end is electrically connected to the N-type layer. The outer peripheral surface of the N-electrode is covered with a first The insulating layer, the first insulating layer insulates the N electrode from the P-type layer and the light-emitting layer respectively. Since the N electrode is arranged in the through hole, the N-terminal electrode and the electrode end of the P-type layer are located on the same side, which is convenient for wiring and light transmission, and because the first insulating layer and the reflective N-electrode exist, the light of the light-emitting layer is absorbed by the N Electrode reflection realizes maximum in-plane light scattering and improves light extraction efficiency.

The invention relates to a transformer, in particular to an end terminal on-load voltage regulation single-phase 220 kV high-impedance transformer. The transformer comprises a main iron core column and side iron core columns, the main iron core column is sleeved with a high voltage winding, a medium voltage winding and a low voltage winding, one side iron core column is sleeved with an exciting winding and a voltage regulation winding, the end terminal of the high voltage winding is connected with the voltage regulation winding through a lead, the low voltage winding is connected with the exciting winding in parallel through a lead, and an on-load voltage regulation tap switch is arranged on one side of the side iron core column sleeved with the voltage regulation winding. The end terminal on-load voltage regulation single-phase 220 kV high-impedance transformer is reasonable in structure, enables the leads to be led conveniently, and is high in reliability, excellent in performance index, low and controllable in oscillatory potential of the suspension end of the voltage regulation winding and suitable for design of 145 kV-330 kV end terminal on-load voltage regulation single-phase high-impedance transformers, and the transformer can be safely and reliably operated in a power grid system with a high voltage neutral point indirectly grounded.

The invention provides a sketch paper papermaking process. The sketch paper papermaking process comprises the following steps: pulping, mixing and pulping, squeezing, dehydrating and drying, preparinga surface glue solution, gluing and drying; in the pulping process, bleached sulfate softwood pulp and chemi-mechanical pulp are adopted as raw materials, the proportion of the two kinds of pulp is reasonably controlled, light pulping is conducted, a wet strength agent and a sizing agent are properly applied, the pressure of a squeezing part is controlled, the sizing amount, the water content andother parameters are controlled, finally, the surface strength of the prepared sketch paper reaches 10-11 # wax rod, and hair falling and powder falling are avoided in the using process. The finishedpaper bulk reaches 1.89-1.96 cm<3>/g, the thickness is high, the mass is light, and the use hand feeling is good; the surface texture is good, the smoothness is low, and the pencil writing lead effect is good.

The invention provides a quakeproof building capable of rotating with sunshine. a rotary support base of a foundation of the building is arranged in a recess of a fixed base stably arranged on the ground and the bottom of the rotary support base is connected with the bottom of the recess by a shaft, a universal rotary component is arranged in the recess/rotary support base and presses against the rotary support base/recess, a rotary driving device is fixed with the rotary support base and a fixed base, and a main body of building is fixed on the rotary support base, wherein preferably, the foundation is steel frame structure, the rotary driving device comprises a rack strip, a gear, a driving component and an elastic component, the rotary support base is provided with a pipeline arrangement channel, a balancing device and a barrier component, wherein, the fixed base is provided with a barrier component and an elastic supporting and fixing component. The invention has artful design, novel structure, capability of resisting quake effectively, greatly improved safety as well as capability of rotating with the sunshine, thus protecting the safety of lives and properties and improving the life quality of the people.

The invention discloses a magnetic core of a rectangular flat transformer, which belongs to the technical field of electronic components. The magnetic core of the rectangular flat transformer comprises a groove-shaped main body and a cover plate, wherein the center of the main body is provided with a cylindrical winding column, the appearance of the main body is rectangular, and the cover plate ismatched with the main body. The invention has small interference among leading wires, little resistance and loss and convenient wire leading. The invention is suitable for manufacturing minitype flattransformers.

To provide a cheap wireless LAN card having a good productivity and assembling performance. The wireless LAN card has a circuit board 1 having a plurality of formed terminals 3 for a connector, transmitting and receiving circuits 4 and a base-band circuit 6 which are formed on a surface side 1a of the circuit board 1, a non-volatile memory 5 mounted on the surface side 1a of the circuit board 1, and a box-type cover 8 for covering therewith the transmitting and receiving circuits 4. Since the non-volatile memory 5 is so provided near the transmitting and receiving circuits 4 as to cover the memory 5 and the circuits 4 with the single cover 8, the formation of a resin cover wherewith the wireless LAN card has been covered conventionally is so made unnecessary as to be able to provide the cheap wireless LAN card having a good workability.