77results about How to "Meet the requirements of different occasions" patented technology

The invention relates to a DC voltage conversion device and a bridge arm control method thereof. The device comprises a basic conversion unit, and a monopolar structure or a bipolar structure is formed by the basic conversion unit, thereby realizing DC energy conversion. The basic conversion unit is formed by two phases or multiple phases of basic function modules in parallel. Through a bridge arm control method, DC energy conversion is realized. Through adopting a method of combining a full-control device serial connection structure and sub module cascading, the topology realizes voltage conversion in a condition of no transformer, soft switching of serially-connected devices can also be realized, and the investment and the land occupation are reduced.

The invention provides a superconducting claw-pole motor. A stator part comprises a hollow support shaft, n superconducting exciting winding supports and a Dewar structure, wherein the n superconducting exciting winding supports and the Dewar structure are fixed on the hollow support shaft, a superconducting exciting winding is arranged in each exciting winding support, and a refrigerant pipe and a superconducting outgoing line are arranged in the hollow support shaft; a rotor part comprises a rotor shaft and n rotor magnet yoke sets; and each rotor magnet yoke set comprises an A magnet yoke and a B magnet yoke, claw poles on the two magnet yokes are distributed in a staggered mode and oppositely buckled on the two sides of a corresponding superconducting exciting winding, and the rotor shaft and the n rotor magnet yoke sets can rotate synchronously around the central axis of the rotor shaft. Motors in different power levels can be implemented through expanding the diameters along the radial direction or increasing the number of superposed claw pole assemblies along the axial direction. According to the invention, under the premise of meeting the operation of superconducting motors, the superconducting claw-pole motor disclosed by the invention has the characteristics of simple structure, low cost, easy machining, direct power-supply connection of exciting windings, no carbon brush or induced circuit required, small weight and size, and the like, and improves the reliability and efficiency of systems.

The present invention discloses a multi-protocol interface data collection device based on a SpaceFibre interface, belonging to the field of space technology application. The device comprises an FPGAmodule, a SpaceFibre interface, a Serdes serial-parallel conversion module, a 1394b physical layer module, a CAN control receiving and dispatching module, a RS232 level conversion module, a 1394b interface, a CAN interface and a RS232 interface. The FPGA module comprises a data collection module, a FIFO cache module, a protocol conversion module and a SpaceFibre IP node module. The present invention further provides a multi-protocol interface data collection method based on a SpaceFibre interface which achieves data compatibility among the external 1394b interface device, the CAN interface device and the external RS232 interface device and the SpaceFibre network or a SpaceFibre device to enrich the application ranges of the external 1394b interface device, the external CAN interface device, the external RS232 interface device and the SpaceFibre network or the SpaceFibre device and meet the development trends of the miniaturization and the intelligence of a current space electronic communication system.

The invention discloses a hot forming method and a hot forming mould. The hot forming method includes providing the hot forming mould which is provided at least with a first portion and a second portion long the horizontal direction; guiding a heated austenitized steel plate into the hot forming mould to be subjected to forming process; cooling the first portion of the hot forming mould at a first cooling rate and cooling the second portion of the hot forming mould at a second cooling rate, wherein the first cooling rate is different from the second cooling rate, accordingly, an integrally formed component with changed transverse strength is formed in the hot forming mould. The structure of the hot forming mould is simple, components with diversified originations and different strength distribution can be obtained through simple process, performances of different positions of the components can have great differences, so that requirements of different occasions can be satisfied. Due to the hot forming method, not only the design space of steel plate materials can be improved, but also parameter setting is simplified, and the production cost is reduced.

The invention discloses a compact type high-power hollow cathode discharge device which comprises a sealing tube, a hollow cathode tube, a cathode plate, a first insulation plate, an auxiliary anode plate, an insulation tube, permanent magnets, an annular anode plate, a third water cooling channel and a control power source. The hollow cathode tube is mounted on the cathode plate. The sealing tube is connected with the cathode plate, and the hollow cathode tube is sleeved with the sealing tube. A gas input opening is further formed in the top of the sealing tube. The first insulation plate is used for achieving insulation of the cathode plate and the auxiliary anode plate. The insulation tube is arranged on the first insulation plate. The permanent magnets and the third water cooling channel are both arranged outside the auxiliary anode plate. The distance between the annular anode plate and the bottom of the auxiliary anode plate ranges from 30 cm to 50 cm. The control power source is connected with the cathode plate, the auxiliary anode plate and the annular anode plate. The compact type high-power hollow cathode discharge device is simple in structure, high in power, wide in parameter section of plasma and capable of being applied to wider-range scientific research and industrial application.

The invention discloses a telescopic combined teaching tool which is composed of a fixed ruler 1, an I-shaped movable ruler 2 and an I-shaped movable ruler 3. A protractor is arranged at one end of the fixed ruler 1 and a steel pin is arranged at the other end of the fixed ruler 1. A sliding pin is arranged at one end of the I-shaped movable ruler 2 and a compass foot clamp is arranged at the other end of the I-shaped movable ruler 2. The movable ruler 2 is hinged to the protractor of the fixed ruler 1 through a hinge shaft and a hinging point coincides with the circle center of the protractor. The movable ruler 3 is hinged to a straight ruler section of the fixed ruler 1 through a hinge shaft and a hinging point is located on the symmetric center line of a straight ruler and the movable ruler 3. The movable ruler 2 and the movable ruler 3 are connected through a sliding block, sliding grooves are formed in the movable rulers, and the combined teaching tool is of a telescopic structure. The telescopic combined teaching tool has the functions of a compass, the protractor, a set square and the straight ruler, the requirements of mathematical teaching, especially solid geometry teaching are met, the situation that a teacher needs to replace teaching tools frequently in the drawing process is avoided, the drawing speed can be increased, and teaching quality and efficiency can be improved; and the teaching tool is telescopic so that the use requirements of different occasions can be met.

The invention discloses a disk stone sawing machine refitted through an excavator. The disk stone sawing machine refitted through the excavator comprises an excavator body, a mechanical arm and an execution unit; the mechanical arm comprises a large arm and a small arm; one end of the large arm is hinged to the excavator body; the other end of the large arm is hinged to one end of the small arm. The disk stone sawing machine refitted through the excavator is characterized in that the execution unit is a disk saw which is connected with the other end of the small arm through a connecting plate. According to the disk stone sawing machine refitted through the excavator, the excavator is utilized as a base and accordingly the traditional operation mode that manual rock drilling or split-off of stone splitting is utilized due to the fact that horizontal cutting cannot be performed on the existing disk saw is changed; in addition, the excavator is utilized as the base and accordingly the movement and the cutting action are convenient; meanwhile, reinforced concrete, asphalt and timber can also be cut besides stone, so that the problem that the construction range of the disk saw is limited is solved, the using range of the disk saw is expended, meanwhile the using range of the excavator is extended, and accordingly the disk stone sawing machine can be multi-purpose and the equipment investment is reduced.

The invention provides a porous polymer filling material for a biotrickling filter. The porous polymer filling material is prepared from the following ingredients in parts by weight: polymer resin, polymer modifiers, nucleating agents, hydrophilic modifiers, compatibility modifiers and pore forming agents. The filling material has the characteristics of large specific area, light specific weight, hydrophilia, compatibility and the like; the removal rate of COD and NH3-N in sewage are improved; the filling material belongs to an ideal biotrickling filter filling material.

The invention relates to a manufacturing method for an elevator sill. The manufacturing method comprises the following steps of: (1) forming an elevator door chute via rolling in the middle of a stainless steel strap material to serve as a sill body; and (2) longitudinally bending two sides of the sill body downwards to form a first side arm and a second side arm via cold bending rolling, and respectively bending the lower ends of the first side arm and the second side arm inwards and extending the lower ends to form a first bottom bracket and a second bottom bracket, wherein the lower end faces of the first bottom bracket and the second bottom bracket are in the same surface, and the top surface of at least one of the bottom brackets is pushed against the bottom surface of the door chute. According to the method, the sill body and the part served as a bracket are arranged integrally, thus the obtained sill not only has high intensity, but also has attractive, simple and generous appearance and practicability. Additionally, by using the method provided by the invention, the shape of the second side arm can be designed conveniently to meet the requirements of different occasions inpractical application, and the types of the elevator sills are enriched.

The invention relates to an LED (light-emitting diode) module which comprises a radiator, a lens module fixed on the radiator, and an LED integrated light source which is fixed on the radiator and contained in the lens module; the radiator comprises a mounting plate; the lens module comprises a waterproof sealing ring, a waterproof packing ring and a lens gland which are sequentially laminated onthe mounting plate; and the waterproof sealing ring and the lens gland holds and fixes the lens and the waterproof packing ring onto the mounting plate. The light distribution form of the lens adoptscut-off, Class II, short-projection light distribution or medium-projection light distribution; the C0 surface is designed as symmetrical bat wing light distribution, and the maximum light intensity angle is 60-65 degrees; and the C90 surface is designed as asymmetric light distribution, and the maximum light intensity angle is 15-30 degrees. The LED module has a simple structure, can satisfy requirements for different occasions, can be directly used in traditional lamp shells, and thus, has wide applicability.

The invention belongs to the field of building decorative materials, in particular to an electric heating movable floor and a heating system consisting of the electric heating movable floor. The electric heating movable floor comprises a floor substrate mainly manufactured by pressing a calcium sulfate material and is characterized in that the floor substrate is provided with a connection through hole, the upper surface of the floor substrate is provided with a wiring slot in which an electric heating wire is embedded, a start point and an end point of the wiring slot are communicated with the connection through hole in which a power supply connector is arranged, two ends of the electric heating wire are connected with the power supply connector, and a panel is adhered on the upper surface of the floor substrate. According to the invention, the decoration on the ground is firstly realized, the requirements of persons on good appearance and cleanness of the ground are met, and the heating system consisting of the electric heating movable floor disclosed by the invention meets requirements of the persons on indoor heating and is convenient for the persons to carry out single control.

The invention relates to an industrial door, a sliding-lifting door and application of the industrial door and the sliding-lifting door which serve as translation linkage doors and provides a linkage door which is compact in structure, reliable and sensitive in operation, high in efficiency and capable of achieving synchronous differential. The linkage door comprises a door frame, a lifting device and door bodies from a first door body to a last door body, wherein the door bodies are parallelly arranged from the outside to the inside. The door frame comprises a door head and a door leaf guide rail. The door bodies from the first door body to the last door body are connected through synchronous differential mechanisms, and the lifting device is connected with any of the door bodies. The synchronous differential mechanisms include a first synchronous differential mechanism for the door bodies from the first door body to a last but one door body and a second synchronous differential mechanism for the last door body. The first synchronous differential mechanism comprises a belt wheel device, a front connecting rod and a rear connecting rod. The second synchronous differential mechanism for the last door body comprises a belt wheel device and a front connecting rod. The synchronous differential mechanisms are arranged among the door bodies of the linkage door so that synchronous movement is achieved in the opening or closing process of the door bodies.

The invention discloses an ultrasonic Doppler flow direction and flow rate instrument which consists of a probe, a cable and a water surface host. The probe is connected with the water surface host through the cable to transmit an underwater signal to the water surface host. The probe comprises two transducers, a pipe body, a flow guide head, a tail wing, a rotary hanging rotor connector and a circuit board; the flow guide head is fixed at the front end of the pipe body; the tail wing is fixed at the rear end of the pipe body, so that a closed space is formed in an inner cavity of the pipe body; the lower end of the rotary hanging rotor connector is hinged to the top surface of the pipe body; two transducers are slantingly mounted at both sides of the front end of the pipe body; an included angle theta is formed between the longitudinal axis of each transducer and the longitudinal axis of the pipe body; the circuit board is mounted in the pipe body. The ultrasonic Doppler flow direction and flow rate instrument is provided with a pair of transducers arranged left and right at the front part of the pipe body of the probe and each of the transducers forms a certain included angle with the pipe body, ultrasonic waves are adopted to detect the flow rate and a measurement point is positioned at the front part of a machine body of the instrument, and thus, a flow field is not damaged and flow rate sampled data is accurate.

A rotating mechanism of a threader comprises a bottom plate (1), a pull cord (2), spring fixing blocks (4), a shaft holder (14), springs (5), a spiral groove (8), a limit block (9) and a manipulator (10). The rotating mechanism is characterized in that a central shaft (6) moves left, the limit block (9) cycles along the spiral groove (8); meanwhile, under the action of the return springs, the central shaft moves linearly. Under the action of the spiral groove and the limit block, the central shaft rotates while moving linearly, so that the manipulator is rotated. Compared with the traditional simple manipulator which only shifts, the rotating mechanism can rotate and accordingly meet the usage requirements of different applications.

The invention discloses a device using a hollow cathode to adjust ion energy. The device comprises a sealing tube, a hollow cathode tube, a cathode plate, a connection plate, an auxiliary anode plate, a vacuum chamber, a ring-shaped anode plate, a sample placing frame, a magnetic field coil and a control power supply. The hollow cathode tube is arranged on the cathode plate. The sealing tube is connected with the cathode plate. The hollow cathode tube is sleeved into the sealing tube. A gas inlet is arranged in the top of the sealing tube. An insulating partition plate is arranged on the auxiliary anode plate. Through the connection plate, potential difference is formed between the cathode plate and the auxiliary anode plate. The ring-shaped anode plate and the sample placing frame are located in the vacuum chamber. The vacuum chamber is connected with the insulating partition plate. The magnetic field coil wraps the vacuum chamber. The control power supply is connected with the cathode plate, the auxiliary anode plate, the ring-shaped anode plate and the sample placing frame. The device provided by the invention has the advantages of easy ion energy control, obvious effect and wide adjustment range, and can satisfy the application of industry and scientific research.

The invention discloses a headset. The headset comprises a first receiver, a second receiver and a wearing bracket, wherein the first receiver and the second receiver are respectively arranged at twoends of the wearing bracket, the first receiver comprises a receiver main body and a loudspeaker module, the receiver main body is connected with one end, far away from the second receiver, of the wearing bracket, and a mounting position is arranged on the surface of the receiver main body; and the loudspeaker module is detachably mounted at the mounting position and is electrically connected withthe receiver main body. According to the technical scheme of the invention, the headset can be conveniently switched between a single-ear listening mode and a double-ear listening mode, so as to meetthe use requirements of different occasions, and improve the use flexibility of the headset.

The invention discloses a detachable ozone water sprinkling can which comprises a sprinkling can body and a water container, wherein a circuit control board, an ozone water generator and a water pump are arranged in the sprinkling can body; a power supply is mounted in the closed space of a shell; and the sprinkling can body and the water container are connected through a detachable fastening structure. According to the detachable ozone water sprinkling can, the sprinkling can body and the water container are detachably arranged; the circuit control board, the ozone water generator, the water pump and the power supply are mounted in the closed shell of the sprinkling can body; and the sprinkling can body and the water container are connected through the detachable fastening structure, so that the detachable ozone water sprinkling can is higher in safety and adaptability, compacter in structure, more convenient to operate and simpler and more convenient to use.

The invention relates to a novel composite glass fiber reinforced plastic pressure tank composed of a poly ethylene (PE) inner container layer and a winding layer. The novel composite glass fiber reinforced plastic pressure tank comprises a glass fiber reinforced plastic tank body. A base is arranged on the lower portion of the glass fiber reinforced plastic tank body. Tank openings are formed in the top and the bottom of the glass fiber reinforced plastic tank body. The glass fiber reinforced plastic tank body is composed of the inner container layer and the winding layer. The inner container layer is the PE inner container layer. The winding layer is formed by mixing glass fiber direct roving with high-performance epoxy resin. The tank openings and the inner container layer are integrally formed. The novel composite glass fiber reinforced plastic pressure tank is good in integrality and corrosion resistance, free of crack and leakage, high in strength, attractive in appearance, low in manufacturing cost, convenient to manufacture, high in pressure bearing, light in weight and convenient to transport and install.