45results about How to "Arbitrary design" patented technology

A process for preparing the blades of adjustable nozzle for the turbine booster of engine from raw powder includes proportionally mixing a chosen alloy pwoder with the adhesive prepared from paraffin wax, high-density polyethene, stearic acid and polypropene, pugging, injection molding at 150-175 deg.C under 75-125 MPa, degreasing and sintering.

The invention discloses an automatic online mark spraying machine for steel plates. The automatic online mark spraying machine for steel plates comprises an equipment foundation rack, a three-dimensional coordinate positioning mechanism is installed on the equipment foundation rack and provided with an alternating current servo device connected with a computer, the computer controls the alternating current servo device to achieve three-dimensional movement positioning of the three-dimensional coordinate positioning mechanism, and the three-dimensional coordinate positioning mechanism is provided with a flow restraining device. Compared with the prior art, the automatic online mark spraying machine for steel plates can solve the problems that existing mark spraying equipment is huge and large in occupied space, specific temperature requirements are provided when the surfaces of steel plates are marked, the spray printing quality is poor, the existing mark spraying equipment is incompatible with existing enterprise equipment, the cost is high as the whole set of equipment needs to be imported, a spraying mechanism is not provided with a flow restraining device, and the environment of working sites is poor.

The invention relates to a laser anti-counterfeit marking method for a product with a complex profile. An anti-counterfeit mark pattern is designed in a specific anti-counterfeit zone, a vector pattern of an anti-counterfeit mark is split and a process reference point is selected by a specific splitting algorithm, short segments are scanned and machined according to specific process parameters, and finally the anti-counterfeit mark pattern can be marked on the surface of the product with the complex profile. Since position information, splitting information and machining process parameter information are carried in the anti-counterfeit mark pattern, counterfeiters need to obtain the accurate curved surface model of the complete profile, the accurate contour and position of the anti-counterfeit marking zone, the specific algorithm for splitting of the vector pattern of the anti-counterfeit mark, the specific algorithm for selection of the process reference point, laser process parameters of the short segments and the like for counterfeiting in addition to a laser machining device, all the information is key to counterfeiting, and thus technical difficulties in counterfeiting are improved. Therefore, the laser anti-counterfeit marking method has good anti-counterfeiting effects.

The invention discloses a technology and equipment for manufacturing a vacuum heat insulation vessel. The equipment is characterized by comprising a vacuum cavity, a turntable, a vacuum pump and laser welding equipment, wherein the top of the vacuum cavity is provided with a laser window; the turntable is positioned below the vacuum cavity; a supporting rod is arranged on the top of the turntable, the supporting rod extends into the vacuum cavity, and the vessel to be processed is reversely buckled on the supporting rod; and the vacuum pump is connected with the vacuum cavity through a vacuum pipeline. The technology comprises the following steps of: (1) respectively forming an inner container and a shell by stretching, and welding the inner container and the shell to form a body; (2) reversely buckling the body on the supporting rod on the top of the turntable; (3) putting the supporting rod into the vacuum cavity; (4) rotating the turntable, vacuumizing, and performing laser welding; and (5) rotating the turntable for one circle to finish welding, wherein the diameter of the inner cavity of the middle part of the manufactured body is greater than that of a top opening. The vacuumizing port at the bottom of the body in the vacuum cavity is welded by using laser beams, so that direct welding under a vacuumizing environment is realized; and the bottom of the equipment is flat, so the attractiveness and the heat insulation property are promoted.

The invention discloses a quantum dot embedded integrated micro-cavity monochromatic light source array which comprises a substrate, a high quality factor optical micro-cavity array firmly combined with the substrate, quantum dots embedded in the optical micro-cavity array, an excitation light source and a long-wave-pass or band-pass optical filter arranged on the back side of the substrate and firmly combined with the substrate. According to the monochromatic light source array, frequency selection is carried out on light emitting of the quantum dots through a series of resonance cavities of different cavity lengths, and accordingly arrays of different wavelengths corresponding to monochromatic light in different space positions are formed and are small, the size and the shape of each wavelength light source unit can be designed at will, and monochromaticity is good. When a medium optical micro-cavity is adopted, material selection can not be limited by quantum dot lattice matching, quality factors can be very high and can even form single-photo sources or laser arrays of different wavelengths, and the quantum dot embedded integrated micro-cavity monochromatic light source array has important application value in the fields of quantum communication, micro spectrographs and the like.

The invention provides a self-locking and interlocking switch with multiple grades. The self-locking and interlocking switch with multiple grades has the technical characteristics that the multiple grade switch of self-locking and interlocking is composed of a 12 voltage direct current source, operation amplifier integrated circuits (IC) 1, an output voltage even division circuit, and a direct current source voltage division circuit. The model of the operation amplifier IC1 is LM324. Each operation amplifier IC1 can form a self-locking and interlocking switch circuit with 4 grades. The structure of each grade self-locking and interlocking switch circuit is the same. Components and connection feature of a second grade and other grade self-locking and interlocking switch circuits are identical with components and connection feature of a first self-locking and interlocking switch circuit. According to the multiple self-locking and interlocking switch, defaults of mechanical self-locking and interlocking switch are overcome. Due to the fact that input impedance of the operational amplifier is high, input current of key switch is minimal, input and output electrical level of the switch meet the requirement of interface electrical level of a digital circuit, and the multiple grade switch of self-locking and interlocking can share work power source with the digital circuit. The multiple grade switch of self-locking and interlocking is characterized in that application range of voltage is wide, and grade can be arbitrarily designed.

The invention relates to a composite plate and in particular to a wood-based three-dimensional hollow composite plate which comprises an upper surface plate and a lower surface plate, wherein a foamed layer is arranged between the upper surface plate and the lower surface plate; a 3D hollow fabric reinforced composite material layer is arranged between the upper surface plate and the foamed layer; another 3D hollow fabric reinforced composite material layer is arranged between the lower surface plate and the foamed layer; and adhesive layers are arranged between the upper surface plate and the 3D hollow fabric reinforced composite material layer, between the 3D hollow fabric reinforced composite material layer and the foamed layer and between the lower surface plate and the 3D hollow fabric reinforced composite material layer. The structural strength, the rigidity, the heat preservation and the sound insulation of the wood-based three-dimensional hollow composite plate provided by the invention are superior to those of a conventional 'sandwiched' foamed plate, the plate can be widely used as walls, door plates and floors, and the products are relatively good in universality, random in appearance shape design, good in attractiveness, simple in production method, relatively low in cost and good in market value.

The present invention discloses a B / S architecture-based human machine interface system. The system comprises a local device and an external device interacted with the local device. A controller of the local device comprises a display module, a network port, a communication port, and a WebSserver unit and an embedded browser that are used as service ends. The display module is used for realizing local interface display. The network port uses a standard network interface so as to be connected with a terminal device or a network device. The communication port is used for connecting an industrial device. The WebServer unit is used for receiving, sending, converting and transmitting data. The embedded browser accesses the WebServer unit through a local IP address. The external device is connected with the webserver unit through the network port and performs human machine interface display by using a browser of the external device. The human machine interface system is no longer simply a local device, but a remote access and control system. Further, applications can be developed by using a standard Web development tool, and an industrial controller supports a traditional industrial communication interface and a protocol.

The invention discloses a heat conduction invisible method, device and an application. A directional heat conduction structure composed of staggered high thermal conductivity materials and low thermalconductivity materials is introduced into a background heat conduction medium plane, one or more temperature field invisible areas are arranged in the directional heat conduction structure, the temperature field invisible areas are used for placing objects to be conducted invisible, the directional heat conduction structure can make directional guidance to an external temperature field so as to make the heat flow smoothly bypass the temperature field invisible areas, and the distribution gradient of temperature field in the temperature field invisible areas is zero, so that the heat conduction invisibility is realized. The heat conduction invisible method, device and the application can be used for the protection of electronic components on the surface of a printed circuit board, the guidance of thermal flow on the surface of a thermal solar cell, and the thermal shielding of artificial skin surface components. The heat conduction invisible method, device and the application is easy to realize, and the geometric shape can be arbitrarily designed and is not limited to a circular structure.

The invention relates to a method for testing electric components (3, 4) in a mains supply, in particular a mains supply for a building, according to which a test command (CH) is transmitted by a test unit (1) in the form of a data transmission via the mains supply to one or more electric components (3, 4) of said network. According to the invention, each electric component (3, 4) that receives a transmitted test command (CH) transmits a test response (RE) that characterises each electric component (3, 4), in the form of a data transmission via the mains supply back to the test unit (1), said transmitted response (RE) being then evaluated in the test unit (1).

The invention designs a classroom teaching-oriented PLC (Programmable Logic Controller) HWIL (Hardware-in-the-Loop) experimental device in order to increase the classroom teaching effect of PLC lessons. The classroom teaching-oriented PLC HWIL experimental device comprises a virtual controlled object, an entity PLC and a programming / debugging computer, wherein the programming / debugging computer isconnected with a wireless signal of the entity PLC; the virtual controlled object comprises a teacher computer, a controlled object I / O (Input / Output) interface box and a classroom projection system;the teacher computer is equipped with configuration software; the configuration software contains a controlled object model; the teacher computer is connected with a wireless signal of the controlledobject I / O interface box; the controlled object I / O interface box is in hardware I / O wiring with the entity PLC. According to the classroom teaching-oriented PLC HWIL experimental device disclosed bythe invention, the problem that a traditional PLC experimental table is difficult to be used for classroom teaching is solved, and a satisfactory effect in teaching application is obtained.

The invention provides a light emitting diode and a manufacturing method thereof. The light emitting diode is simple to manufacture, has good consistency in client use consistency and high yield, and the shape of the light emitting diode can be designed or changed arbitrarily. The technical scheme of the invention is that: the light emitting diode comprises an electrode kit, a chip installed on the front surface of the electrode kit, a connection wire and an electrode, wherein the light emitting diode has a two-layered structure; the electrode kit is formed on the first layer of the light emitting diode; the light emitting diode further comprises a rubber cake; the rubber cake covers the front surface of the electrode kit, and covers the chip, the connection wire and the electrode between the rubber cake and the electrode kit; and the rubber cake is formed on the second layer of the light emitting diode. The electrode kit comprises a substrate; the front surface of the substrate is provided with a chip bonding area; the chip is fixed in the chip bonding area; and the electrode kit further comprises a heat sink, and the hear sink is embedded in the back surface of the substrate.

The invention relates to an intelligent negative hydrogen ion water cup, which comprises a cup cover, a cup body, a cup bottom and a coaster detachably connected to the bottom of the cup from top to bottom. A display screen is arranged in the middle of the bottom of the cup, and a lithium battery is arranged on the side. With the charging port, there is a filter material inside, and a TDS water quality detection module is built in the bottom of the cup. The invention is simple and convenient to operate. The intelligent hydrogen-rich cup adopts an intelligent chip, which can monitor the real-time temperature of the water in the cup in real time. The TDS sensor can monitor the water quality change of the water in real time; the timer can provide real-time time display for the user; the capacitive touch button , more beautiful and safer; you can set reminders to drink water to remind users to drink water regularly to ensure normal drinking water every day to improve health; you can set reminders to take medicine time, so you will not miss the time to take medicine because of forgetting; users can record audio by themselves As an alarm clock and reminder voice, it is more humane and can increase the intimacy between relatives.

The invention discloses a folding method for a paper goblet, relating to a manufacturing method of a paper container. The folding method for the paper goblet includes the steps of taking a piece of rectangular paper, making N folding lines longitudinally, and dividing the paper into N+1 congruent longitudinal rectangles; making an upper transverse backward-folding line and a lower transverse backward-folding line, namely the upper transverse line and the lower transverse line, wherein the distance from the upper transverse line to the lower transverse line is equal to that from the lower transverse line to the lower paper edge, and the distance from the upper transverse line to the upper paper edge is not smaller than one-third transverse length of the rectangular paper; folding the part under the lower transverse line; making diagonal forward-folding lines in the same direction at the N+1 congruent longitudinal rectangles above the upper transverse line; conducting backward-folding along the longitudinal folding line, inserting the left end and the right end, and overlapping the longitudinal rectangles at the two ends to form an N-sided drum shape; and backwards folding the part above the upper transverse line along the longitudinal backward-folding line and then conducting forward-folding along the diagonal forward-folding lines, thereby forming the paper goblet. The paper goblet has a high holder with unique appearance, the size of the goblet and the height of the holder can be designed at will, and the paper goblet is clean and neat in shape, stable and firm, attractive and practical, simple to manufacture, and low in cost.

The invention provides a numerically controlled demonstration instrument for demonstrating gear transmission failure, which comprises a gear failure characteristic assembly (1), a frame (20), a vibrating sensor (19), a magnetic powder clutch (14), a force sensor, a gear shifting system, a motor driving system, a numerical control system, and a data collection and processing system. The gear failure characteristic assembly (1) is installed on a transmission shaft (3), and the two ends of the transmission shaft are respectively installed on the frame (20) through a bearing seat. The instrument integrates gear failure, rotational efficiency and rotational precision, and is compact in structure and small in volume. Moreover, the instrument can not only demonstrate vibration mode phenomenon arising from gear failure behaviors in a gear transmission system, but also realize experimental teaching of the influence of different gear failure behaviors on gear transmission efficiency and transmission accuracy, so as to broaden the experimental contents for systematically teaching the gear transmission.

The invention discloses a novel semiconductor lighting source which is characterized in that the light source comprises an LED substrate, LED light-emitting devices, chip resistors and the like. Welding feet, chip resistor welding feet, positive and negative power supply welding feet, metal wires and the like corresponding to the LED light-emitting devices are arranged on the LED substrate; and the LED light-emitting devices are full-color surface-mounted devices. The light source is simple in structure and high in lighting effect, the single-power-supply driving mode of the existing lightingsource is not changed, the currents of the chips R, G and B on the LED device are controlled by arranging the chip resistors with different sizes, so that the light source of any color temperature isobtained so as to meet the lighting requirement of any scene.

A low-energy-consumption high-light-intensity annular light-emitting cavity fluorescent lamp comprises a fluorescent powder glass tube, a filament support, a filament and a binding post, and has the technical key points that a concentric closed inner tube is arranged at the inner side of the glass tube coated with fluorescent powder at the inner side; an annular slotted positioning rod is arranged between the fluorescent powder glass tube and the closed inner tube; an inner end cap with a conductive filament connecting wire is arranged at each of two end parts of the fluorescent powder glass tube; and the filament support with the filament is arranged between the inner end caps at two end parts of the fluorescent powder glass tube and two ends of the closed inner cap. As the large-diameter double-layer glass tube is adopted, and the fluorescent powder is coated on the outer layer of the glass tube, election current is generated in an annular slot between the inner layer and the outer layer of the glass tube; and as the annular area is designed to be very small, sufficient fluorescent powder excitation energy can be obtained by only less election current, so that the fluorescent powder can emit rated light so as to arouse a large area of fluorescent powder to emit light, thereby obtaining a high-efficient energy-saving fluorescent source.

The invention relates to a delivery unit (2) comprising a swirl pot (5), a fuel pump (6) that is located in said pot and a filter (14) that is situated on the floor (7) of the swirl pot (5), said filter being connected upstream of an inlet opening (8) that is located on the floor (7) of the swirl pot (5). Channels (11) are configured on the face of the swirl pot (5) that faces the floor of the tank (9), said channels being configured in such a way that fuel can flow from the periphery of the swirl pot (5) to the inlet opening (8). Moulded elements (13) that form filters (14) are situated in the channels (11).

The invention relates to a liquid suction device, in particular for solid-containing liquids, such as sludge, comprising a container (13) into which the liquid can be sucked by means of a suction motor (3, 4) via a suction connection (15). 13), and the liquid can be discharged from the container (13) through the outlet (7), according to the present invention, the liquid suction device is designed so that the container (13) has at least two separate receiving chambers (1, 2) and a control device, through which one material receiving chamber (1, 2) is filled with liquid alternately, and the other material receiving chamber (2, 1) is emptied during this period. The suction side of the receiving chamber (1, 2) relative to the suction motor (3, 4) can be sealed by the main valve, which is preferably mechanically connected.

The invention discloses an implementation method of an any-order FIR (Finite Impulse Response) filter based on an FPGA (Field Programmable Gate Array). The order of the implemented FIR filter is not limited by the number of blocks. According to the method, the FIR filter is subjected to block design, and ROM memories, RAM memories and multiplying units with the corresponding number are designed. By reasonably designing the number of blocks and the depth of the memories, the addresses of all the memories are uniformly controlled. On the rising edge of each FPGA work clock, convolution of a filtering coefficient and a to-be-filtered signal is completed, and filtering operation of each sampling point can be completed in a sampling period. According to the method provided by the invention, the FIR filter is subjected to block parallel processing, each block is subjected to serial processing, the operation speed and the resource consumption are both considered, and the performance is superior to that of an IP core of electronic design software.