242results about How to "Radiation area is large" patented technology

To provide a pneumatic tire having a tire side portion with an enhanced durability according to the present invention, a run flat tire (1) has a turbulent generating concavo-convex part (5) composed of grooves and ribs and extending along at least part of a tire side portion, and a pattern is set to the turbulent generating concavo-convex part (5), in which for the turbulent generating concavo-convex part (5), letting h be a height, p be a pitch, and w be a width, a relationship is met such that 1.0≦p/h≦50.0, and 1.0≦(p−w)/w≦100.0.

The invention discloses an automatic cooker. The automatic cooker comprises a machine body, a turning cooking mechanism, a stirring cooking mechanism, a water and oil injection device and a control system, wherein an operation table is arranged on the machine body, and a heating device stretching out of the operation table is arranged in the machine body; the turning cooking mechanism comprises a wok and a first drive module, the wok is located above the heating device, the first drive module is located in the machine body, the machine body is provided with a chute, and the wok penetrates through the chute and then is connected with the first drive module; the stirring cooking mechanism comprises a stirring spatula and a second drive module, the stirring spatula is located above the wok, the second drive module is located in the machine body and partly stretches out of the machine body, and the stirring spatula and the second drive module are connected; the water and oil injection device is arranged on the outer wall of the machine body; the control system is arranged in the machine body, and the heating device, the first drive module, the second drive module and the water and oil injection device are all connected with the control system. The automatic cooker enables food to make full contact with air to guarantee that the food is heated uniformly, the turning cooking quality of the food is improved, and turning cooking efficiency is high.

The present invention relates to a LED street lamp, and more particularly to environmentally friendly LED street lamp. The LED street lamp comprises a main body and a plurality of LED bulbs, wherein the main body comprises a base plate; said base plate comprises two splay flat plate, namely the 1^st flat plate and the 2^nd plate; the inner side of the 1^st flat plate and the 2^nd flat plate comprise sunk cavities where the LED bulbs are provided; and the light beams from the LED bulbs at the 1^st flat plate and the 2^nd plate cross in front of the main body.

The invention relates to infrared radiation measurement and calibration technology field and especially relates to a high-precision surface source blackbody radiation source device capable of being applied under a vacuum low temperature condition. The device mainly comprises a blackbody radiation source main body module, a vacuum cabin, a control cable in the cabin, a through-wall air plug, a control cable outside the cabin, a refrigeration copper braid and a controller module. The blackbody radiation source main body module is placed in the vacuum cabin. The blackbody radiation source main body module is connected to an inner wall of the vacuum cabin through the refrigeration copper braid. The blackbody radiation source main body module is connected to the controller module successively through the control cable in the cabin, the through-wall air plug and the control cable outside the cabin. The device has advantages that a problem that effective emissivity, temperature uniformity and a wide temperature range can not be simultaneously satisfied in the prior art is effectively solved; and an application basis is provided for calibrating and testing infrared detection equipment and establishing a low temperature target performance test system under a vacuum environment.

The present invention relates to a microwave radiation antenna capable of making percutaneous puncture to cure tumor of several regions of human body. Said invention is formed from antenna connector, hard coaxial line, ceramic tube, water inlet tube, water outlet tube, temperature-measuring system, stainless steel sleeve and handle. Its output power can be up to above 100w, and is therapeutic effect is reliable and safe.

A ceiling-mounted loudspeaker includes a horn-shaped enclosure, an acoustic driver, and a front module. The tubular or horn-shaped enclosure carries a slanted woofer or loudspeaker driver which radiates into an angled or slanted first opening. The tubular enclosure terminates at bottom in a second, circular opening substantially parallel to a second plane, wherein the woofer's slanted plane is inclined with respect to the second plane. The slanted woofer can be oval and radiates sound through the enclosure's interior lumen and outwardly through ports defined in a substantially circular baffle carrying the front module and connected to the second opening. The baffle carries a midrange and tweeter near the ceiling where they can provide enhanced sound dispersion.

The invention discloses a manufacturing method of ultrathin heat-reinforced glass. The manufacturing method comprises the following steps of: flatly placing ultrathin glass with the thickness of 1.8-2.2mm on a rolling way, adjusting the pressure of convection air in a toughening furnace to be 2000-4000pa/cm<2> with the convection time of 30-50s, simultaneously using the rolling way to drive the glass to do reciprocating movement for 40-50S in the toughening furnace at a speed of 20-30mm/s, and then adjusting the operating speed of the rolling way to be 160-175mm/s till the glass is heated to be 623-630 degrees. The glass manufactured by utilizing the method has the advantages that the generation of 'white mist' is avoided, and the glass is good in flatness, high in strength and good in toughness.

The invention relates to a heating unit of an infrared electric hot plate and a preparation method thereof. The infrared electric hot plate is made up of conductive material ranging from 1 percent to 30 percent, heat conduction material ranging from 30 percent to 92 percent, polymer adhesive ranging from 5 percent to 50 percent and toughener ranging from 2 percent to 10 percent.The preparation method is as followings: the front part of the heating unit is made through thermofixation or hot press molding, then under the protection of nitrogen or inert gas, the front part is carbonized for 3 to 12 hours at a high temperature ranging from 900 DEG C to 2200 DEGC, thus obtaining the heating unit of an infrared electric hot plate. The preparation is simple with low cost.The infrared electric hot plate, using 6-380V alternating or direct currents, can directly produce infrared radiation with high efficiency of energy conversion. Being a heating unit, the infrared electric hot plate can produce infrared radiation both on the upper surface and the lower surface dispensing with a substrate, which greatly increases radiation area and improves heating efficiency. As a novel infrared heating unit material, the invention not only can be extensively applied to technics such as heating, baking and heat treatment in agriculture and industry, but also can be applied to medical care and heating in winter, etc., with important application value and extensive application prospect.

The automobile lamellar telescopic device of solar cell plate in vehicle and mounted in the top of vehicle may have 2-5 layers, including one fixed top layer and the lower telescopic layers controlled with in-vehicle control system for automatic telescopic motion. The control system has a motor to drive a gear and gear racks to realize telescopic motion in small power consumption. The automobile lamellar telescopic device of solar cell plate has increased sunlight irradiation area and thus high photovoltaic electricity generating power. The present invention may be used in different types of electrically driven vehicle.

The invention discloses an antenna device which comprises a radio frequency transmitting and receiving circuit, a matching circuit and a radiating body. The matching circuit is electrically connected between the radio frequency transmitting and receiving circuit and the radiating body. The radiating body is a metal shell of a mobile terminal. The metal shell comprises a first radiating portion, a second radiating portion, a first insulation belt and a first connecting section. The first insulation belt and the first connecting section are located between the first radiating portion and the second radiating portion. The first connecting section is electrically connected between the first radiating portion and the second radiating portion. The first connecting section is electrically connected with the matching circuit. The invention further discloses the mobile terminal. The radiating body of the antenna device is the metal shell of the mobile terminal, so that the radiating efficiency of the antenna device is improved.

The invention discloses an electronic display device and an electronic device, the electronic display device includes a housing, a screen and a vibration device. At least a portion of the screen is connected to at least a portion of the housing by a flexible connection device, at least one of that screen and the house is provided with a receiving groove for fixing the flexible connection device, the flexible connecting device has elasticity, and the vibration device comprises a stator subsystem and a vibration subsystem, wherein the stator subsystem is fixedly connected with the screen througha heat insulating device, the vibration subsystem generates vibration in response to an electric signal of an external circuit and drives the stator to vibrate, and the stator drives the screen to vibrate and sound. The screen and the housing are connected by a flexible device, and the heat insulation device reduces the heat diffusion of the vibration device to the screen and effectively protectsthe screen by providing a flexible connection device accommodating groove to enhance the connection strength between the flexible connection device and the shell and the screen.

A sound generator includes a transducer converting electric energy to mechanical energy, a mechanical amplifier mechanically amplifying a vibration generated in a piezoelectric component of the transducer, and a radiation plate radiating a sound wave from a signal amplified by the mechanical amplifier, wherein the radiation plate includes a first step having a height for compensating for a first resonance frequency and a second step having a height for compensating for a second resonance frequency.

The invention discloses a small high-isolation dual-polarization medium resonator antenna. The antenna comprises an antenna structure frame, a circuit board, a first load metal sheet, a second load metal sheet, and a rectangular medium resonator. The circuit board is arranged on the antenna structure frame and is provided with an H-shaped gap feed structure. The first load metal sheet is arranged on the circuit board. The second load metal sheet is arranged on the antenna structure frame and under the circuit board. The rectangular medium resonator is arranged on the circuit board. A gap is formed between the rectangular medium resonator and the first load metal sheet, and a gap is formed between the rectangular medium resonator and the first load metal sheet. The rectangular medium resonator rotates 45 DEG around the central shaft of the circuit board, so two edges of the rectangular medium resonator are in the direction parallel to the diagonal of the circuit board, thereby forming +/- 45 DEG dual polarization.

The invention discloses an electronic display device and an electronic device. The electronic display device comprises a casing, a screen and a vibration device, wherein at least a part of the screenis connected to at least a part of the casing through a flexible connecting device, at least one of the screen and the casing is provided with a receiving groove for fixing the flexible connecting device, the flexible connecting device is elastic, the vibration device is fixed on the screen, and the vibration device is configured to vibrate in response to electrical signals of an external circuitand drive the screen to vibrate and sound. The screen is connected with the casing by the flexible device instead of a fixed connection, and the casing does not vibrate when the screen vibrates, thereby effectively reducing the sound leakage caused by the vibration of the casing. The connection strength of the flexible connecting device to the casing and the screen is improved by the flexible connecting device receiving groove.

The invention discloses a high-gain and small-sized metal electronic tag antenna, which is formed by combining a microstripe antenna and a dipole antenna, wherein the microstripe antenna consists of a ground plate (1) and a main radiator (2), and the dipole antenna consists of a first arm (2) and a second arm (3); the main radiator (2) of the microstripe antenna and the first arm (2) of the dipole antenna share the same conductor; and a direct current short circuit is formed between the ground plate (1) of the microstripe antenna and the second arm (3) of the dipole antenna. The structure of the antenna comprises a bottom layer, a middle layer and a top layer, wherein the bottom layer is the ground plate (1), the top layer comprises the two arms of the dipole antenna, the middle layer comprises an FR4 substrate material (4) and a through hole (7), the substrate material (4) is used for filling a gap between the bottom layer and the top layer, and the through hole is used for the electric connection of two solid bodies on two sides of the substrate material (4). The antenna intelligently combines the microstripe antenna and the microstripe antenna and realizes the direct attachmentof the electronic tag on a metal surface.

The invention discloses a radiation air conditioning system based on combination of evaporative cooling and mechanical refrigeration, comprising a cold/hot water unit A combining evaporative cooling and mechanical refrigeration, an evaporative cooling fresh air handling unit B, capillary terminals C arranged on the roof and walls inside the room at the radiation terminal and PERT cold/hot coils D laid on the floor inside the room at the radiation terminal, wherein a replacement ventilator is arranged at the air inlet inside the room at the radiation terminal; the above components are connected by pipelines to form a circuit; and the cold/hot water unit A comprises an evaporative cold water unit E and an air-cooled heat pump type cold/hot water unit F. The radiation air conditioning system combines evaporative cooling and mechanical refrigeration, expands the application range of the evaporative cooling technology and is not only suitable for the northwestern dry areas but also widely applied to the medium-humidity and high-humidity areas. In addition, the radiation air conditioning system can supply cold to the radiation terminal in summer and supply heat in winter, realize dual purposes and reduce initial investment.

The embodiment of the invention discloses a terminal back cover. The terminal back cover comprises a main ground part and a radiation part made of metal material, a gap parallel to a short side of the rectangular mobile back cover and filled by an insulation material is arranged between the main ground part and the radiation part, and the main ground part is connected with a ground wire on a terminal main board; the radiation part is used as a radiating body of an antenna of the terminal, the inner surface of the radiation part is provided with a first feed point to connect with a feed wire on the terminal main board; the edge of the radiation part of the terminal back cover is further provided with a first metal route extending to the internal of the terminal and parallel to the inner surface of the radiation part. An antenna system at the terminal back cover provided by the invention is lower in antenna clearance rate requirement and higher in radiation performance.

The invention belongs to the field of a mobile communication base station antenna, and particularly relates to a low-frequency integrated double-polarization folded antenna oscillator. The low-frequency integrated double-polarization folded antenna oscillator comprises four groups of compensating half-wave folded oscillators, wherein each group of compensating half-wave folded oscillator is connected to a docking platform through the bottom of an oscillator arm to form a whole integrated double-polarization folded oscillator; the horizontal parts of the four groups of compensating half-wave folded oscillators are connected through isolation connecting blocks to form rectangular four sides; and the compensating half-wave folded oscillators on each group of opposite sides in the rectangular four sides form a polarization-direction radiating element combination. An oscillator feed mode is that a feed-through and a support arm form coplanar waveguide mode feed, the gap space between the feed-through and the support arm and the sectional dimension are changed to regulate the input impedance characteristic of the oscillator, and then the match with a feed network is realized. The low-frequency integrated double-polarization folded antenna oscillator has the advantages of simplicity in manufacture, stable structure and high radiating efficiency.

The invention relates to a T-type superpower ultrasonic transducer. The T-type superpower ultrasonic transducer utilizes a longitudinal vibration piezoelectric ceramic vibrator to generate longitudinal vibration, stimulates a metal round vibration disc directly connected with the longitudinal vibration piezoelectric ceramic vibrator to generate the vibration of the same frequency, and radiates sound waves to media. With the help of the conversion of the vibration mode, flexural vibration is generated in the metal round vibration disc, effective conversion of the longitudinal vibration mode and the flexural vibration mode is achieved, uniformity of the radiation sound field of the transducer is greatly improved, radiation area of the transducer can be effectively increased, high-power working is realized, at the same time, radiation impedance of the transducer is improved, acoustic matching of the transducer is improved, and radiation efficiency of the transducer is improved. In addition, due to the fact that the flexural vibration disc has multiple vibration modes, the transducer can work in different vibration modes and radiate ultrasonic waves of different frequencies, and therefore an ultrasonic wave source working in multiple frequencies is formed.

The invention relates to an automatic bothway sand-blasting machine. The automatic bothway sand-blasting machine comprises a shell internally provided with a sand-blasting chamber. Sand-blasting heads are arranged in the sand-blasting chamber. The shell is provided with a push inlet through which a pipe is pushed into the sand-blasting chamber, and a conveying outlet through which the pipe is conveyed out of the sand-blasting chamber. Dustproof parts covering the push inlet are arranged on the parts, located at the push inlet and the conveying outlet, of the shell correspondingly. A water curtain circulating device is arranged in the shell and comprises a water spraying pipeline and a circulating water tank. The sand-blasting chamber is provided with a secondary grinding device for grinding through secondary use of blasting sand. The shell is provided with an adjusting mechanism used for adjusting the orientation of the sand-blasting heads. Through the scheme, the automatic bothway sand-blasting machine provided by the invention is high in quartz sand processing efficiency and capable of preventing flying dust from polluting the working environment.

The invention discloses a non water insulation type energy-saving electric steaming pot with a nonmetallic liner made of purple sands, ceramics, ores, glasses and the like. The non water insulation type energy-saving electric steaming pot mainly heats a small pot liner with the outer surface covered by an infrared absorption material layer with optimization high efficiency through a groove structure heating device with the inner surface covered by an infrared absorption material layer in an infrared radiation way. The invention has the advantages of high heating speed, high heat efficiency and energy saving on the basis of favorable cooking nutrition preservation and delicious taste, and overcomes the defects of large energy waste, overlong heating time and low heat efficiency in the traditional water insulation type electric steaming pot.