50results about How to "Avoid passing to" patented technology

The invention discloses a three-dimensional elliptical ultrasonic vibration cutting device adopting a longitudinal bending composite mode. The three-dimensional elliptical ultrasonic vibration cuttingdevice is composed of a pre-tightening bolt, a rear cover plate, a first excitation source, a second excitation source, a middle cover plate, a third excitation source and a flange front cover plate.The three-way excitation sources are driven by input signals with the same frequency, wherein the phase angles of the input signal are different in pairs. By adjusting the voltage and phase difference of driving signals of the three-way excitation sources, a tool nose point of a tool mounted at the output end of the three-dimensional elliptical ultrasonic vibration cutting device obtains spatialelliptic vibration trajectories with different vibration amplitudes and phase differences. According to the three-dimensional elliptical ultrasonic vibration cutting device, the assembly link is less,and mounting and dismounting of a blade are convenient; a flange structure is adopted, and the system stiffness is good; and the effect on the aspect of cutting machining of parts with hard machiningmaterials, weak stiffness and free curved surfaces is remarkable, cutting force and the cutting temperature can be significantly decreased, tool abrasion and machining deformation of the workpiece materials can be significantly reduced, the surface quality and form and position accuracy of the parts are improved, the subsequent machining process is reduced, and then the machining efficiency and economical efficiency are improved.

The invention discloses a composite ultrasonic elliptical vibratory cutting device. The device consists of an ultrasonic vibrating unit, a cylindrical servo cutter frame, hollow piezoelectric ceramic and a base, wherein a cutter is arranged at the output end of the ultrasonic vibrating unit; the ultrasonic vibrating unit is arranged in the hollow piezoelectric ceramic; the hollow piezoelectric ceramic is arranged in the cylindrical servo cutter frame; the base is arranged on the end part of the cylindrical servo cutter frame; and the cylindrical servo cutter frame is provided with four elastic hinge structures. Due to the design of symmetrical hinges, cylindrical ceramic is prevented from being deviated while driving the cutter; and the processing accuracy of the surface appearance of a nanoscale three-dimensional micro-structure of the cutter is realized through the gapless transmission of the elastic hinges. The ultrasonic vibrating unit adopts two exciting sources with different structures, so that ultrasonic vibration of the cutter in a longitudinal direction and a bending direction is realized during processing. The cutting device of the invention can be suitable for making shark skin imitation structural skin.

The invention discloses a novel oven. The novel oven comprises an oven body, a casing, an inner container, an oven door and an outer wall, wherein second ventilation holes are formed in the rear side of the casing; first ventilation holes and clamping grooves are formed in two side surfaces of the inner container, a lamp is arranged at the top of the inner container, and a rotary support is arranged at the bottom of the inner container; supporting legs are arranged at the bottom of the oven body, a plug is arranged on the rear side of the oven body, and the oven door and a control panel are arranged on the front of the oven body; a glass panel and a handle are arranged on the oven door; the outer wall comprises an air exchange layer, a thermal insulation layer and a cooling layer, heaters are arranged on the air exchange layer, and a filtering guide tube, a magnetic control tube, a high-voltage rectifier tube and a transformer are arranged on the cooling layer; supporting columns are arranged between the air exchange layer and the thermal insulation layer and between the thermal insulation layer and the cooling layer. When food is baked, instant heating is performed through microwaves firstly, so that the inside of baked food expands quickly, then far infrared heating is adopted, time is saved, uniform heating is realized, the quality is improved, and the cost is reduced.

The invention discloses a metal roof structure. A steel lining plate is arranged on the bottommost layer of the roof structure, an aluminum-magnesium-manganese alloy roof panel is arranged on the topmost layer of the roof structure, a support steel plate and a gypsum fiber plate are arranged between the aluminum-magnesium-manganese alloy roof panel and the lining plate, the support steel plate is supported at the bottom of the gypsum fiber plate, a superfine glass cotton noise proofing layer is filled between the aluminum-magnesium-manganese alloy roof panel and the gypsum fiber plate, support purlines are arranged at the bottom of the support steel plate, a non-woven fabric dustproof layer is paved on the lining plate, a glass cotton sound-absorbing layer is arranged on the non-woven dustproof layer, heat-preserving cotton is filled among the glass cotton sound-absorbing layer and the support purlines, a vapor barrier layer is arranged between the heat preservation cotton and the glass cotton sound-absorbing layer, and a water-proofing and vapor-permeating layer is arranged between the superfine glass cotton noise proofing layer and the gypsum fiber plate. Waterproof effect of a metal roof is improved, outdoor noise is prevented from being transmitted into a room, and a heat preserving, a damp proofing effect and a vapor permeating of the metal roof are improved.

The invention discloses a light-emitting diode (LED) light source module, which comprises a substrate (1), a groove (2) and a conductive layer (3), wherein the groove (2) is formed in the substrate (1); the conductive layer (3) is packaged in the groove (2) and is provided with a plurality of LED chips (4) and a plurality of photosensitive units (5); the thicknesses of the photosensitive units (5) are smaller than those of the LED chips (4); the LED chips (4) and the photosensitive units (5) are arranged in a staggered manner; an insulating layer (6) is arranged between each photosensitive unit (5) and the corresponding conductive layer (3); a reflecting layer (7) is arranged on the upper surface of each LED chip (4); a radiating layer (8) is arranged on the upper surface of each photosensitive unit (5); and circuits by which the LED chips (4) are electrically connected with one another are distributed at the bottom of the groove (2). By the LED light source module, the radiating capacity of the whole module is greatly improved, heat among the LED chips is dissipated uniformly, the service lives of the LED chips are prolonged, and a phenomenon that a large amount of hot air spreads to air at one time can be avoided.

The invention discloses a buffer device and an air conditioner outdoor unit with the buffer device. The buffer device comprises a shell and annular first buffer pieces, wherein a cavity is formed in the shell, the two ends of the shell are provided with openings respectively, the first buffer pieces are arranged in the shell and close to at least one of the two openings, a first air flow passageway is arranged in each first buffer piece, and the area of the cross section of each first air flow passageway is smaller than the size of the cross section of the portion, close to the installation position of the corresponding first buffer piece, of the cavity. According to the buffer device, the first buffer pieces are arranged in the openings of the shell, when air flows into the cavity from the first buffer pieces or flows out of the chamber to the first buffer pieces, the air flow firstly flows through the first air flow passageways limited by the first buffer pieces, the non-reflection condition of air flow pulsation is met, standing waves of air flow pulsation are changed into traveling waves, and therefore the unevenness of pressure pulsation is lowered, abnormal noise produced by air flow pulsation of a compressor is reduced, and the abnormal noise generated by the air conditioner outdoor unit is prevented from being transmitted to an indoor unit.

The invention discloses an assembled frame-type horizontal warehouse, a prefabricated wallboard mould and a construction method of a horizontal warehouse. In recent years, steel plate silos develop rapidly due to the characteristics of the high construction speed, the short construction period, the low cost and the like, however, the fatal weakness of the steel plate silos is that the silo wall is thin, the temperature is greatly affected by the outside world, grain and other items which have strict requirements for the temperature and moisture are prone to mildewing, decaying and other phenomena in the storage process, it is difficult to store the grain for a long time, and the service life of the steel plate silos is short. The assembled frame-type horizontal warehouse comprises a frame-type warehouse body (1), the frame-type warehouse body is connected with a foundation (11) and a warehouse top (12), the frame-type warehouse body comprises a group of reinforced concrete stand columns (2) located at the four walls of a wall body, reinforced concrete connecting beams (3) are arranged between the reinforced concrete stand columns to form a supporting system of the warehouse top, and the reinforced concrete stand columns (2) and the reinforced concrete connecting beams (3) are connected with a reinforced concrete prefabricated wallboard (4). The assembled frame-type horizontal warehouse is used for horizontal warehouse construction.

The invention belongs to the technical field of illumination, and in particular, relates to an LED lamp for household illumination. The LED lamp for household illumination comprises a substrate integrated with LED beads on the surface, a shell connected with the substrate, and a control panel electrically connected with the LED beads; the shell is connected with multiple first heat dissipating pieces; multiple heat dissipating holes are formed in the shell; the shell includes a first panel and a second panel connected with the substrate; a through hole is formed in the first panel; a semiconductor refrigeration chip is connected into the through hole; a cold end of the semiconductor refrigeration chip is connected with the substrate, and is connected with a heat tube; the tail end of the heat tube is wound on the outer wall of the shell, and is connected with the multiple first heat dissipating pieces; multiple reflecting cups are arranged on the first panel and the second panel; and the widths of one ends, near the reflecting cups, of the first heat dissipating pieces are larger than the widths of one ends, far from the reflecting cups, of the first heat dissipating pieces. The LED lamp for household illumination is used for solving the problem of low heat dissipating efficiency in traditional LED lamps for household illumination.

The invention belongs to the field of mobile phone technical accessories, and specifically relates to a warm baby mobile phone case, including a power supply, a control switch, a temperature sensor, a heating element, a temperature display screen, and a processor; wherein, the power supply supplies power to the entire circuit device, and the temperature sensor senses heat The temperature information of the components, and the collected information is sent to the processor, and the processor performs related processing on the obtained temperature information and sends it to the temperature display screen, and the temperature display screen displays the obtained temperature information. The warm baby mobile phone case can help people warm their hands when they use mobile phones in winter, and at the same time, it will not transfer heat to the mobile phone itself, which brings great convenience to people's daily life and has good application prospects and market value. .

The application discloses a display screen component. The display screen component comprises a display screen, a main circuit board, an earphone and a channel body; the main circuit board is electrically connected with the display screen and the main circuit board and the display screen are disposed in different layers; the earphone is electrically connected with the main circuit board and disposed in the same layer as the main circuit board and the earphone and the display screen are disposed in different layers; the earphone is provided with sound holes penetrating through at least one end surface of the earphone; the channel body is connected with at least one of the earphone and the display screen; the channel body is provided with a channel; one end of the channel is interconnected with the sound holes and the other end thereof is interconnected with a sound outlet part disposed on one side of the display screen. According to the application, the earphone is disposed in the same layer as the main circuit board and the earphone and the display screen are disposed in different layers so as to make setting space of the display screen and further increase the screen-to-body ratio;meanwhile, the channel body is provided with the channel to guide the sound of the earphone out; setting of the channel ensures airtightness and avoids transmitting the sound to the internal part ofthe display component. The application further provides a terminal; and the terminal comprises the display screen component described above.

The invention discloses a hollow glass structure. The hollow glass structure comprises hollow glass, a roller shutter device and a water spraying system, wherein a first inner cavity and a second inner cavity are formed in the hollow glass, and the first inner cavity and the second inner cavity are sequentially arranged in the thickness direction of the hollow glass; the roller shutter device is arranged above the hollow glass, and comprises a roller shutter and a driving mechanism, wherein the driving mechanism is used for driving the roller shutter to rotate to enable one end of the roller shutter to move up and down in the first inner cavity; and the water spraying system is used for spraying water into the second inner cavity. The hollow glass structure can effectively prevent heat ofsunlight from penetrating through the glass to be transmitted into a room and has a better heat insulation effect.

The invention discloses a circuit board shielding protective cover body easy to disassemble and maintain. The circuit board comprises a circuit board body, a first sliding block, a rotating screw rod,a fixed shaft and a clamping block, the circuit board body is attached to a bottom plate, a heat dissipation plate is installed on the bottom plate, the bottom plate is connected with a heat insulation plate, a first sliding block is attached to the bottom plate, the bottom plate is installed on a moving plate, the moving plate is connected with a positioning block, a rotating screw is connectedwith the first sliding block, and the rotating screw is connected with a protective cover body. The invention discloses a circuit board shielding protective cover body easy to disassemble and maintain. The heat dissipation plate is made of an aluminum alloy material; the heat insulation plate is arranged to be made of the aerogel felt material so that the temperature of other parts can be effectively prevented from being transmitted to the circuit board body, the circuit board body can be protected, and the protection cover body and the bottom plate can be assembled and disassembled by rotating the rotating rod. The heat insulation plate is arranged to be made of the aerogel felt material so that heat dissipation of the circuit board body can be effectively accelerated.

The invention discloses a composite board as well as a preparation method and application thereof. The composite board comprises a first non-woven fabric layer, a first glass fiber felt layer, a first foam plate layer, a second non-woven fabric layer, a second foam plate layer, a second glass fiber felt layer and a knitting material layer, wherein the first glass fiber felt layer is arranged on the upper surface of the first non-woven fabric layer, the first foam plate layer is arranged on the upper surface of the first glass fiber felt layer, the second non-woven fabric layer is arranged on the upper surface of the first foam plate layer, the second foam plate layer is arranged on the upper surface of the second non-woven fabric layer, the second glass fiber felt layer is arranged on the upper surface of the second foam plate layer, and the knitting material layer is arranged on the upper surface of the second glass fiber felt layer. The composite board provided by the invention has the advantages of high intensity, high temperature resistance and sound absorption and sound insulation.

The invention provides a building door and window installing structure, which comprises a window body, a frame body and a wall board, wherein the frame body surrounds the window body; the wall board is used for installing and fixing the frame body; the frame body comprises an inner frame body and an outer frame body; the inner frame body is attached to the inner side surface of the wall board; theouter frame body is attached to the outer side surface of the wall board; the inner frame body, the outer frame body and the wall board are fixedly connected through screw bolts; an installing grooveis formed in one side, near the wall board, on the outer frame body; the window body is arranged in the installing groove; a first wind opening is formed in the outer side of the inner frame body; third wind openings penetrating through the inner frame body and the outer frame body are formed in the wall board, the inner frame body and the outer frame body; a wind passage is arranged at the outerside of the outer frame body; the upper end of the inner frame body is provided with two turbofans; the two turbofans are in inclined arrangement towards the wind passage; and a glass fiber sound isolation cotton layer is arranged in a position, opposite to the wind passage, of the inner side surface of the outer frame body. The door and window can be fast dismounted and mounted; meanwhile, the inside air can be purified; the external air and noise pollution is isolated; and the application range is wide.

The invention discloses a pipeline and decoration integrated fabricated fast wall (inner partition wall) structure combination and an installation mode thereof. The product is produced and assembled by using a modern industrial assembly line in a factory to complete an inner partition wall hardcover integrated finished product, the finished product is transported to a construction site, 100% dry-type construction method installation is achieved, scientific joint installation between standard module walls is achieved, internal stress release are realized, and thus the problem of surface cracking caused by thermal expansion and cold contraction is avoided. According to the technical scheme, 1, a blank plate is produced in a factory, and the surface is polished and sanded and flatted for standby application; 2, the prepared plate is placed on a coating production line or a veneering production line to produce a decorative surface so as to realize fine decoration of a panel; 3, the plate is cut according to the design size for later use, and a thicker blank plate is cut into small square strips to be used as keels; 4, the two hardcover panels and the keel strips are connected and combined into a wall body through nailing or viscose glue, and convex-concave connectors are formed in the four side surfaces of the integrated wall by adjusting the positions of the keels, so that up-downand left-right splicing and installation are facilitated (as shown in figures 1-6); and 5, a cavity of the integrated wall can penetrate a pipe and can also be filled with sound insulation cotton. Bymeans of the steps, the fabricated fast wall (inner partition wall) integrating pipeline and decoration can be manufactured.

The invention relates to a solar heat collection system for a sloping roof and a building, and relates to the technical field of solar heat collection systems. Comprising a grid installation area formed by distributing a plurality of unit grids in a rectangular array, and at least one fixing piece is arranged between every two adjacent unit grids; the fixing piece comprises a bottom plate, a middle plate and a top plate which are sequentially connected, a heat insulation piece located in the unit grid is arranged between the bottom plate and the middle plate, the side, away from the bottom plate, of the middle plate is connected with a heat absorption piece, the heat absorption piece is provided with a circulating heat pipe, and the top plate is connected with a light-transmitting piece; in order to solve the problem that a solar heat collection system is not easy to install on an existing sloping roof, the solar heat collection system for the sloping roof is designed, the existing sloping roof can be directly used as a bearing layer, organic combination of the solar heat collection system and a building is achieved, and a fixing piece is directly fixed to the roof. The arrangement of extra frameworks, protective frames and other structures is reduced, the installation efficiency is improved, and installation consumables are saved.

The invention provides a maternal and infant parasite expelling nursing bed convenient for an infant to fall asleep, and relates to the technical field of medical apparatus and instruments. The nursing bed comprises a bin body, a bed body, a movable door and a handle; the bed body is fixedly connected to the inner bottom wall of the bin body, the movable door is rotatably connected to one side of the bin body through hinges, the handle is fixedly connected to the outer surface of the movable door, and a lighting device is fixedly connected to the inner bottom wall of the bin body. A ventilation device is arranged at the top of the bin body, and a temperature adjusting device is arranged on one side of the interior of the bin body. A servo motor can drive a threaded rod to rotate, so that a movable plate drives a movable bin to move horizontally, a lifting air cylinder can drive a bin body to move up and down, so that the movable bin can move up and down, the position of the movable bin can be changed, the movable bin can cover the baby crib conveniently, and a baby can be prevented from being harassed by mosquitoes; and the sleep quality of the baby is effectively ensured.