192results about How to "Improve ventilation performance" patented technology

The invention relates to a warm-keeping T-shirt with straps and laces. The warm-keeping T-shirt with straps and laces comprises a T-shirt body (1), wherein straps (2) are upwards arranged on the collar of the T-shirt body (1); the T-shirt body (1) is made of silk; the straps (2) are made of artificial leather and are provided with patterns; laces (3) are arranged at the sleeves and the lower hem of the T-shirt body (1); and a plush layer (4) is embedded in the collar of the T-shirt body (1). According to the warm-keeping T-shirt with straps and laces, the straps are arranged on the collar of the T-shirt, so additional material compensating placed at the shoulder parts for supporting the T-shirt are omitted, only the straps are needed, and the collar can be widened, and the ventilating performance is improved; compared with a common T-shirt, the T-shirt provided by the invention has higher cool and comfortable level after being worn in sultry weather; and the T-shirt has high warm keeping performance.

The invention discloses an automobile part drying case and belongs to the technical field of automobile manufacture. The automobile part drying case comprises a case body and an annular conveying belt, doors for automobile parts to be in or out are arranged on two opposite walls of the case body, air nozzles and drying reflector lamps are arranged on the inner wall of the case body, and a download belt of the annular conveying belt penetrates the doors to be mounted in the case body; the annular conveying belt is formed by an inner annular belt body and an outer annular belt body, and a plurality of undertake heads fixed on the inner annular belt body through spring cords are arranged between the inner annular belt body and the outer annular belt body, and a first electromagnetic block is arranged on a switch board; a second electromagnetic block corresponding to the first electromagnetic block is arranged on the inner annular belt body; a sensor is arranged on the outer side of each door, and the first electromagnetic block, the second electromagnetic block and the sensors are respectively and electrically connected with a controller. By the arrangement, problems that parts that the parts are contacted with the conveying belt do not ventilate causing uneven drying and resulting in influencing drying efficiency and quality of finished products of the parts can be solved.

The invention provides a vertical lawn lamp which comprises a lamp drum, a drum cover, a light-permeable cover, an LED light source component and a radiating plate. The light-permeable cover is a drum-shaped light-permeable cover made of transparent resin. The light-permeable cover covers the radiating plate. The light-permeable cover and the radiating plate form a light source chamber. The LED light source component is disposed in the light source chamber. Conical radiating burrs are welded on the other side of the drum-shaped radiating plate. The radiating plate is connected to the lamp drum in a sealed manner. A radiating passage is formed at the central axis of the lamp drum. The lower end of the lamp drum is connected to a drum base. The drum cover is disposed at the top end of the lamp drum. An upper air passing opening is formed between the drum cover and the lamp drum. A lower air passing opening is formed between the drum seat and the lamp drum. The upper air passing opening and the lower air passing opening are communicated with the radiating passage. Due to the fact that the conical radiating burrs are disposed in the lamp drum, radiating area is increased while ventilation performance of the radiating plate is increased, radiating effect is increased, and the radiating burrs can be prevented from being deformed, damaged and the like by external force.

The invention provides a method for carrying out solid culturing on beauveria bassiana by stages, which is characterized in that the beauveria bassiana solid culturing process is divided into two stages, i.e. a mycelium growing stage and a sporulating stage; in the mycelium growing stage, a closed fermenting mode is adopted and a liquid strain is inoculated with a solid culture material in a closed container to carry out culturing; and in the sporulating stage, the solid culture material on which mycelia full grow is taken out in a buckled mode and an open fermenting mode is adopted. The method for carrying out solid culture on the bassiana, which is provided by the invention, has simple process and does not need complex equipment. The fermenting period of the method is shortened to 6 to 7 d from 10 to 14 days in the prior art. The production efficiency is greatly improved. Meanwhile, the requirement on the environment humidity is low. The probability of the mixed fungi pollution is obviously reduced. The production cost is low. The method is easy to control and has high success rate. The product quality is stable. The method can be applied to laboratory production, can be used asthe preferred scheme of upgrading of technology of masses of small and medium bassiana manufacturers and has obvious social and economic benefits.

The invention relates to the technical field of the elevator industry, in particular to a noise reduction and ventilation structure of an elevator car. The noise reduction and ventilation structure comprises a car body, the top of the car body is provided with a fan, the top wall, the left side wall, the right side wall and the rear side wall of the outside of the car body are respectively provided with a soundproof cotton layer, the left side wall, the right side wall and the rear side wall of the car body are respectively provided with an exhaust port, one end of each exhaust port is connected with a tee joint, the top end of each tee joint is connected with an upper one-way valve, and the bottom end of each tee joint is connected with a lower one-way valve. When the noise reduction and ventilation structure is used, the top wall, the left side wall, the right side wall and the rear side wall of the outside of the car body are respectively provided with one soundproof cotton layer, by means of the one-way valves, convection between air in the tee joints and air in the car body is formed, noise in the car body is greatly lowered, and ventilation performance of the car body is improved. The noise reduction and ventilation structure of the elevator car has the advantages of being simple in structure, reasonable in arrangement, low in manufacturing cost and the like.

The invention provides an LED (Light Emitting Diode) advertising display screen. The LED advertising display screen comprises a screen body, a surface cover, a light transmitting cover, an LED light source assembly and a heat dissipation plate; the surface cover is formed by transparent glass or transparent resin; one side of the surface cover is flexibly connected with the screen body; the other side of the surface cover is connected with a lamp housing through a fastener cam lock or a lock catch; the light transmitting cover and the lamp housing form a light source chamber; the LED light source assembly is arranged in the light source chamber; the LED light source assembly comprises a substrate and a plurality of LED light sources which are fixed on the substrate; the substrate is fixed on one side of the heat dissipation plate; heat dissipation burrs are welded on the other side of the heat dissipation plate; every heat dissipation burr is in a conical shape; the diameter of the cross section of every heat dissipation burr is gradually reduced from the welding end to the other end; the heat dissipation plate and the lamp housing form a heat dissipation chamber; the heat dissipation burrs are arranged in the heat dissipation chamber. According to the LED advertising display screen, every heat dissipation burr is in a conical shape and accordingly the heat dissipation area is increased, meanwhile the ventilation performance of the heat dissipation plate is improved, the heat dissipation effect is improved, and accordingly the service life of the display screen is effectively extended and the cost is low.

A door window that can improve operability and is convenient for ventilation and cleaning are provided. According to the door window, a door window fan (20) can be opened or closed in the depth direction of an opening frame (10). The door window comprises a first opening-and-closing mechanism (40) that has left vertical frame (23) set oppositely when the opening frame closes the door window fan, engaging pins (41, 43) set on one side of the left vertical side frame (13), and engaging parts (42, 44) set on the left vertical frame and the other side of the left vertical side frame and have engaging grooves (42a, 44a) that allow the engaging pins enter and extend aslant relative to the long side direction of the left vertical frame. The door window also comprises a second opening-and-closing mechanism (60) that has a lower frame sliding block (61) and an upper frame sliding block (66) that are set linked to an operation handle (30) in an upper frame (21) and a lower frame (22) and can move in a sliding way along the long side direction of the upper frame and the lower frame. The second opening-and-closing mechanism (60) also has strut parts (62, 67) that are linked to an upper side frame (11), a lower side frame (12) and the door window fan.

The invention discloses a vertical drying and screening tower. The vertical drying and screening tower comprises a tower body, a hot wind pipe, a screen plate and a distribution carriage plate; the hot wind pipe, the screen plate and the distribution carriage plate are arranged in the tower body; the distribution carriage plate is arranged above a grid section; the tower body is provided with a feed port and an exhaust port in the top, and is provided with a discharge port in the bottom; the hot wind pipe comprises a center hot wind pipe, longitudinal hot wind pipes and a hot wind inclined beam; the center hot wind pipe, the longitudinal hot wind pipes and the hot wind inclined beam are provided with hot wind holes; the grid section and the hot wind inclined beam are fixed between an inner ring beam and an outer ring beam; the hot wind inclined beam communicates with the longitudinal hot wind pipes and the center hot wind pipe; multiple longitudinal hot wind pipes are fixed on the inner sides or the outer sides of the inner and outer ring beams; two ends of the longitudinal hot wind pipes are closed; the bottoms of the longitudinal hot wind pipes outwards extend to support on the ground; and the bottoms of the longitudinal hot wind pipes on the inner ring outwards extend to support on the ground through a first hot wind box. The vertical drying and screening tower is uniform in ventilation, high in drying speed and low in cost.

The invention provides a sanitary towel, comprising a surface layer, an absorptive body, and a bottom membrane. The absorptive body is located between the surface layer and the bottom membrane. A flow guide layer is placed between the surface layer and the absorptive body. The absorptive body comprises a core body, and a covering layer covering the core body. Vents are formed in the core body. According to the sanitary towel proposed in the present invention, the breathability is enhanced through the formation of the vents in the core body and the use of the breathable bottom membrane; a non-woven fabric with an odorless cooling compound or a perforated non-woven fabric is used, which has an excellent breathability presentation property; an effervescing agent is added to the core body, and during use, after the effervescing agent is activated by a liquid, a gas will be generated; and therefore, the breathability experience is enhanced, and a user can feel more comfortable during use.

This invention discloses a clothes rack for hanging socks, belonging to the manufacturing technical field of daily necessity. This invention is composed of a circular base, a connecting rod, a bracket and a frame shaft, wherein the inner ring of the base is crosswise connected with the frame shaft, and the frame shaft is converged at the centre of the circular base. The bottom end of the connecting rod is connected to the converging point of the frame shaft as well as the other end of the connecting rod is connected with a hanger. At least two brackets are connected to the circular ring of the base. The clearance between two adjacent brackets is the same. The bracket is connected to one side of the hanger of the circular ring; and the top part of each bracket is provided with a hollow round sphere. This invention is featured with reasonable structure, convenient use, good ventilation performance, performance of resisting the wind.

The invention discloses sugar stevia cutting and seedling culture nutrient soil and a preparation method thereof. The sugar stevia cutting and seedling culture nutrient soil comprises, by weight, 0.5-1 part of compound beneficial bacteria, 1-2 parts of rooting accelerators, 20-24 parts of compound modified filling soil, 4-6 parts of earthworm cast, 10-14 parts of enriched ore powder, 5-7 parts ofmushroom dregs, 2-4 parts of traditional Chinese medicine additives, 6-8 parts of loosed water retention additives, 4-6 parts of humus, 2-6 parts of compound fertilizers, 1-2 parts of microelements and 6-10 parts of nutrient substances. According to the nutrient soil, the Cutting rooting rate and the survival rate of sugar stevia can be remarkably increased, application of fertilizers and pesticides is omitted in the use process of the soil, the soil is free from harm and odor, good in water retention and air permeability, green, environmentally friendly, high in fertilizer efficiency and balanced in nutrition and sufficiently meets growth requirements of the sugar stevia, a lot of agricultural and industrial wastes are used, non-renewable resources are saved, ecological environments are protected, and low-carbon circulation is achieved. The preparation method of the nutrient soil is simple in process and has high practical values and good application prospect, and raw materials are easily obtained.

The invention discloses a fuse for an electrical machine. The fuse comprises a left end cover, a right end cover, a shell and a fusion tube. The left end cover is mounted on the left side of the shell. The right end cover is mounted on the right side of the shell. A screw is arranged on the left end cover, the shell and the right end cover and penetrates through the left end cover, the shell and the right end cover in sequence. A cavity is formed among the left end cover, the shell and the right end cover. The fusion tube is mounted in the cavity. A fuse body is arranged in the fusion tube. The left end cover and the right end cover are both provided with binding posts. Each binding post is provided with ceramic insulation and cooling fins. The binding posts are both connected with the fusion tube. The left end cover and the right end cover are both provided with vent holes. Ceramic cooling sticks penetrating through the fusion tube are arranged in the vent holes. The left end cover, the shell and the right end cover are matched and fixed through the screw and a nut in sequence.

The invention relates to a short-sleeve shirt with a hollow-out back part. The short-sleeve shirt with the hollow-out back part comprises a short-sleeve shirt (1) which is made of knitted fabrics. The short-sleeve shirt with the hollow-out back part is characterized in that a plurality of hollow-out parts (2) are formed on the back part of the short-sleeve shirt (1), wherein the hollow-out parts (2) are hole-shaped hollow-out parts or strip-shaped hollow-out parts; and the hole-shaped hollow-out parts are quincuncial, circular or heart-shaped. According to the short-sleeve shirt with the hollow-out back part, the hollow-out parts are formed on the back part of the short-sleeve shirt, so that the ventilating performance is improved, a user wearing the short-sleeve shirt can feel cool and comfortable, and various hollow-out patterns bring more aesthetics to the short-sleeve shirt.

The invention discloses a bridge navigating mark. The bridge navigating mark comprises a mark board body and a light-emitting component, wherein the light-emitting component is arranged on the surface of the mark board body, the mark board body comprises a frame and a plurality of air guide plates, air guide plates are parallel with one another and are arranged inside the frame, an included angle which is smaller than 90 degrees is formed by air guide plates and the horizontal face, the light-emitting component comprises an aluminium-based circuit board, a light-emitting diode (LED) heat-dissipating device, a high-power LED lamp and a light source controller, the LED heat-dissipating device is arranged on the aluminium-based circuit board, the high-power LED lamp is packaged inside the LED heat-dissipating device, and the light source controller is used for controlling the light intensity and the flash cycle of the high-power LED lamp. By the aid of the bridge navigating mark, mark display is not affected by sunlight reflection and lamplight transmission, the windward area is reduced, and the bridge navigating mark is good in wind resistance. A light source focuses the light intensity through a self-focusing collimating lens, and the scattering and the glaring of the light source can be greatly reduced. The light source controller can effectively control the light intensity and the flash cycle of the high-power LED lamp, so that the light intensity of a light-emitting body can be adjusted according to the observation distance, and the optimal displaying effect can be achieved. A groove is arranged on the outer wall of a cover body of the LED heat-dissipating device, so that the heat-dissipating area is increased, and the practicability is high.

The invention discloses a split type solar water heater with 315-degree circular arc-distributed tubes. The split type solar water heater consists of a circular arc-shaped medium water tank as well as an upright water tank, 28 or 35 glass heat collection tubes, a water temperature and water level detection rod, a hot water tube, hot water tube I, an external hot water conveying tube, an electric heater, a cold water tube, cold water tube I, a blowdown valve, three eight-angle circles, a star-like transverse connecting rod, an outer two-circle upright rod, a cross transverse connecting rod, 16 upright rods, 16 transverse connecting rods and 8 inclined vertical rods, wherein the upright water tank is arranged in an inner ring; the upper ends of the 28 or 35 glass heat collection tubes are inserted into the circular arc-shaped medium water tank in an inclined manner; the lower parts of the 28 or 35 glass heat collection tubes are positioned on an annular tube support rack; the water temperature and water level detection rod is arranged inside the upright water tank; the hot water tube enters the upright water tank through the circular arc-shaped medium water tank; the hot water tube I is led outside the upright water tank; the cold water tube enters the upright water tank from the outside; the cold water tube I is led outside the upright water tank and enters the circular arc-shaped medium water tank; the outer two-circle upright rod and the cross transverse connecting rod are used for connecting the three eight-angle circles; the 16 upright rods, the 16 transverse connecting rods and the 8 inclined vertical rods are used for connecting two circles of the three eight-angle circles. Compared with a conventional solar water heater that planar type heat collection tubes are transversely arranged on a water tank, the tube arranging amount is increased by 1/3, the sunshine radiation time is increased by one time, and the heat efficiency is increased by one time.

The invention discloses a planting culture temperature light control ecological greenhouse. The greenhouse comprises a ceiling and side columns, the ceiling is a circular ceiling, the side columns areerected on both sides to form an arch shape, the ceiling is prepared by two arc transparent plates, a folded shade cloth is placed in the gap between the two arc transparent plates, the folded shadecloth is penetrated through a transparent traction rope, the folded shade cloth is respectively provided with traction handles at the exits in side column directions, a planting layer is arranged on the ground below the ceiling, and movable feeding troughs are formed in both sides of the planting layer. When the greenhouse is operated, the built-in ceiling shade cloth can be folded or semi-foldedseparately for lighting and temperature adjustment, the greenhouse is suitable for planting and also suitable for breeding and captive livestock, and has good ventilation, and lighting and temperaturecan be adjusted.

The invention provides a sanitary towel, comprising a surface layer, an absorptive body, a bottom membrane, and an effervescing agent core piece. The absorptive body is located between the surface layer and the bottom membrane. A flow guide layer is placed between the surface layer and the absorptive body. The absorptive body comprises a core body, and a covering layer covering the core body. Vents are formed in the core body. According to the sanitary towel proposed in the present invention, the breathability is enhanced through the formation of the vents in the core body and the use of the breathable bottom membrane; a non-woven fabric with an odorless cooling compound or a perforated non-woven fabric is used, which has an excellent breathability presentation property; the effervescing agent core piece is added under the core body, and during use, after the effervescing agent is activated by a liquid, a gas will be generated by the effervescing agent core piece, thereby strengthening local gas circulation; and the cooling compound in the surface layer delivers mild cold hint, so that a user can feel more comfortable during use.

The invention discloses an auxiliary tool for airing men's shirts. The auxiliary tool comprises an airing rod, a clothes body is suspended on the airing rod, and multiple movable rod sets are suspended on the airing rod; each movable rod set comprises two suspending rods, each suspending rod is slidably connected to the airing rod, and a mounting plate is fixedly connected to the end, away from the airing rod, of each suspending rod; a through groove is formed in the center of each mounting plate, a rotary rod is connected to the inner side wall of each through groove through a spring, magnetsare clamped to the two sides of each mounting plate, and air blowing pipes are arranged at the upper and lower sides of each magnet; the air blowing pipes are arranged in the mounting plates, and rotary rollers fit the clothes body. When the auxiliary tool is balanced, clothes cannot be overlapped, airing of the clothes is facilitated, since each piece of the aired clothes cannot be overlapped, the breathability is improved, and the situation that peculiar smell is generated due to dampness cannot occur.

The invention relates to the technical field of breeding equipment, and specifically relates to a dairy cattle barn with a cooling function. The dairy cattle barn comprises a barn body, the bottom board of the barn body is provided with a defecation port, a urinal is arranged below the bottom board, the top of the barn body is open, the top of the barn body is provided with a vertical support, the top end of the support is provided with a water tank, the side wall of the barn body is also provided with a support frame, and the support frame is provided with a water purifier. The water inlet pipe of the water purifier is connected with the water tank. The top end in the barn body is provided with a horizontal pipe. The water outlet pipe of the water purifier is communicated with the horizontal pipe. The horizontal pipe is uniformly provided with spraying faucets. A plurality of fans whose wind directions are downward are arranged above the horizontal pipe. Each fan is arranged corresponding to each spraying faucet in a one-to-one manner. The dairy cattle barn is good in ventilation effect, and can effectively reduce temperature, so as to prevent dairy cattle from heatstroke.

The invention relates to a flame-retarding short-sleeved shirt with suspenders. The flame-retarding short-sleeved shirt comprises a short-sleeved shirt body (1), and is characterized in that the suspenders (2) are arranged at the collar of the short-sleeved shirt body (1), the short-sleeved shirt body (1) is made of a real silk fabric, the real silk fabric is formed by blending regenerated fiber and synthetic fiber, the regenerated fiber accounts for 40-50% based on the weight of the real silk fabric, and comprises cuprene fiber, viscose and saponified acetate fiber, the synthetic fiber accounts for 50-60 based on the weight of the real silk fabric, and comprises polypropylene fiber, polyacrylonitrile fiber and formalized polyvinyl alcohol fiber, the suspenders (2) are made of artificial leather, and patterns are arranged on the suspenders (2). According to the flame-retarding short-sleeved shirt, the suspenders are arranged on the collar, abundant patch on the shoulder part for supporting the short-sleeved shirt is not needed, only the suspenders are needed, and the collar can be made to be relatively wide to increase the air ventilation property, so that a user wearing the flame-retarding short-sleeved shirt can feel more cool and comfortable than others wearing common short-sleeved shirts in sultry weather.

The invention relates to suspending short sleeve clothing comprising short sleeves (1). The suspending short sleeve clothing is characterized in that the collars of the short sleeves (1) are upwardly provided with suspenders (2); the short sleeves (1) are made of silk fabric formed by blending recycled fiber and synthetic fiber, the recycled fiber is 40% to 50% of the total quantity of the fabric and includes cuprammonium fiber, viscose fiber and saponified acetate; the synthetic fiber is 50% to 60% of the total quantity of the fabric and includes polypropylene fiber, polyacrylonitrile fiber and polyvinyl formal fiber; the suspenders (2) are made of artificial leather and are provided with patterns. The suspenders are arranged at the collars of the short sleeves, redundant supplementary material supporting on shoulders for supporting the short sleeves is omitted, the suspended is needed only, so that the collars can be large, vent performance is provided, and the suspending short sleeve clothing is cooler and more comfortable to wear in sultry weather as compared with conventional short sleeve clothing.

The invention relates to a comfortable short-sleeve shirt with a pierced waist and pierced cuffs. The short-sleeve shirt comprises a short-sleeve shirt body (1), wherein the short-sleeve shirt body is made of cotton fabric; a plurality of holes (2) are formed in the waist and the cuffs of the short-sleeve shirt body (1); the holes (2) are round or strip-shaped; fabric around the holes (2) is georgette fabric; the short-sleeve shirt body (1) is made of aramids 1313. The waist of the common short-sleeve shirt is looser, so that the holes (2) are formed in the waist at the lower part of the short-sleeve shirt. Therefore, the air permeability in a waist position is greatly improved; a user wearing the short-sleeve shirt feels cool and comfortable.