84results about How to "Enhance air convection" patented technology

A design for a display apparatus that allows for improved convection for the removal of hot air from heated circuit components. The display apparatus includes a display panel, a chassis having a base, which supports the display panel, and a flange formed along an upper edge of the base to prevent the base from bending, the flange having at least one air passage hole to allow smooth air flow. The display apparatus also has a printed circuit board on which parts for driving the display panel are mounted, the printed circuit board being supported by the chassis, and a case which accommodates the display panel, the chassis, and the printed circuit board. The case also is perforated by two sets of holes to allow hot air to escape and cool air to enter the display apparatus.

A heat sink includes a first array of fins defining a plurality of first channels therebetween, a second array of fins disposed at opposite sides of the first array of fins, and a plurality of grooves extending through the first array of fins and the second array of fins. The second array of fins defines a plurality of second channels therebetween. The grooves are intersected with the first channels and the second channels. A bottom extremity of each groove has a curved shape facing upwardly and laterally. A portion of an airflow generated by a fan mounted on a top of the heat sink flows laterally and downwardly through the grooves to leave the heat sink.

The invention relates to a novel crop seeding raising method, belonging to the field of crop seeding raising. The seedling raising method is characterized in that a seedling raising matrix or porous seeding raising hole trays filled with the seedling raising matrix is/are placed on a slope nursery bed, which has a certain inclination angle and covered or not by a barrier material on the surface, a water and fertilizer supplying facility is erected at the high end of the slope nursery bed, water and fertilizer are provided for the seedling raising matrix by utilizing the inclined guiding action of the slope to promote the crop seeds transplanted in the seedling raising matrix to germinate, root and grow, seeding raising management is carried out, and seedlings are lifted and transplanted when the seedlings achieve proper transplanting seedling age. By adopting the method, the water and fertilizer are agilely managed, the inland inundation or drought is prevented, the disease and pest are reduced, the seedling forming rate is high, and seedling domestication is carried out by inverting the seedling raising hole trays or the nursery bed, thus the strong seedlings are effectively cultured and the seedling recovering stage is shortened; and the cultured seedlings have the characteristics of flourishing root systems, strong and trim seedlings, strong viability, few or no disease plants, short seedling recovering stage, convenience for seedling taking and seedling transport for transplanting, simplicity in operation, labor saving, cost saving, high survival rate and the like.

A heat dissipation structure for LED lamp includes at least one mounting plate connected to and between a top and a bottom locating plate, and a roll-shaped heat radiating member arranged beneath the top locating plate. The mounting plate and the top and bottom locating plates each are provided with a metal layer, to which LEDs are welded. When the heat dissipation structure is assembled to a lamp holder to form an LED lamp and the LEDs are lightened, heat produced by the LEDs is radiated from the metal layers and the heat radiating member, which together provide a large heat radiating area; meanwhile, perforations on the top locating plate allow convection of air in the LED lamp, and openings provided on the lamp holder allow exchange of air inside and outside the LED lamp, allowing the LED lamp to have reduced volume and increased heat dissipation efficiency.

The invention discloses a combinable connecting means for thin plate-type lithium batteries, characterized in that the combinable connecting means is formed by at least one electrode connecting assembly, wherein the electrode connecting assembly comprises a head portion which receives a electrode connector and on which a receiving slot for the electrode connector is provided; a holding portion for receiving a part of the lithium battery body, on two sides of which a protruding portion and a notch portion corresponding to this protruding portion are respectively arranged, and on one side end surface of which either transverse protruding portions perpendicular to the longitudinal axis of the lithium battery or transverse notch portions corresponding to these transverse protruding portions are arranged. The invention also disclose a electrode connector for use in the combinable connecting means.

An illustrator with light emitting diodes provided in the invention includes a rear housing having a cavity. A front housing is disposed in the cavity, wherein the front housing includes through holes. An illuminating module is sandwiched between the rear housing and the front housing, wherein the illuminating module includes a substrate and light emitting diodes. Two opposite surfaces of the substrate are in contact with the rear housing and the front housing respectively and directly. The light emitting diodes are arranged on a surface of the substrate in an array arrangement and extending outward the through holes in a one-to-one relationship.

A heat-dissipating assembly for a server includes a housing in which a partitioning plate and a power supply mounted on one side of the partitioning plate are provided. The power supply includes a casing and a power-supplying module received in the casing. The heat-dissipating assembly includes a fan received in the casing and located outside the power-supplying module. The partitioning plate and the casing are respectively provided with a plurality of first heat-dissipating holes and second heat-dissipating holes. The first heat-dissipating holes and the second heat-dissipating holes are positioned to correspond to the fan. The airflow caused by the fan drives the air inside the housing to flow out of the housing via the first heat-dissipating holes and the second heat-dissipating holes. In this way, the heat-dissipating efficiency can be improved without affecting the arrangement of other electronic devices in the housing.

The invention relates to the technical field relevant to wastewater treatment, in particular to a method for treating domestic wastewater with a combined laminated vertical flow-horizontal subsurface flow wetland, which is composed of two parts, namely a laminated vertical flow wetland and a horizontal subsurface flow wetland. The laminated vertical flow wetland and the horizontal subsurface flowwetland are sequentially connected in series to form a compact combined wetland system. The laminated vertical flow wetland comprises a plurality of layers of filter bed modules filled with matrixes of different particle sizes. Wastewater is sprinkled down from the top of the laminated vertical flow wetland and stepwise enters each layer of filter bed module from top to bottom to be treated; and after the wastewater reaches the bottommost layer of the laminated vertical flow wetland, the wastewater passes through a perforated wall arranged at the bottom of the laminated vertical flow wetland and enters the later-level horizontal subsurface flow wetland to be further purified, and finally water flows out from the upper end of the horizontal subsurface flow wetland. According to the method,the ventilation re-oxygenation effect is strengthened, the pollutant treatment capacity of the combined wetland is increased, meanwhile the occupied area is reduced, and blocking is effectively prevented.

A heat dissipation air duct is provided. The air duct is fixed inside a computer case, and covers a plurality of high heat-generating elements on a mainboard. The air duct includes a main air duct and an auxiliary air duct. The main air duct isolates a first air duct area inside the computer case, and an air inlet is formed in a side of the air duct area. The auxiliary air duct is fixed on the bottom of the main air duct, and is accommodated in the first air duct area, so as to further isolate a second air duct area in communication with the air inlet it the first air duct area. One of the pluralities of high-generating elements is covered by the auxiliary air duct, and is accommodated in the second air duct area.

A high bay light has a lamp holder, a light module, a plurality of cooling modules and a lamp cover. The lamp holder includes a frame. The frame has a plurality of connecting pieces extending radially therefrom. The light module is mounted on the lamp holder and includes a printed circuit board and at least one LED. The cooling modules are mounted on the printed circuit board and each cooling module includes a heat pipe and a cooling component. The lamp cover covers the cooling modules and includes an open bottom, an interior and a top hole. The open bottom and the top hole communicate with the interior. The connecting pieces of the frame are secured to the lamp cover so as to form a plurality of bottom holes between adjacent connecting pieces. With the above-mentioned structure, the high bay light can provide improved heat dissipation.

The invention discloses a fabric, a method for manufacturing the same and a functional garment comprising the fabric. The fabric comprises pique pattern sample pieces and mesh pattern sample pieces. The pique pattern sample pieces are knitted by the aid of a single-needle multi-column floating thread knitting technology, the mesh pattern sample pieces are knitted by the aid of a float plating knitting technology, and the pique pattern sample pieces and the mesh pattern sample pieces are seamlessly combined with one another. The fabric, the method and the functional garment have the advantages that pique pattern samples formed by the aid of the single-needle multi-column floating thread knitting technology and meshes formed by the aid of the float plating knitting technology are combined with one another by a seamless knitting technology, so that the breathability of the fabric and the breathability of the functional garment are improved; and the garment does not stick to the body of a wearer and is free of redundant threads, so that the wearer feels comfortable.

The invention discloses an LED (Light-Emitting Diode) lamp with a ducted convection radiating channel. The LED lamp mainly comprises a lamp cap, a radiating lamp body, a light distribution lamp shade, an LED light source and a driving circuit, wherein an inner bore of the radiating lamp body and an outer bore of the light distribution lamp shade are communicated to form a duct, and communicated with a vent hole at the upper part of the radiating lamp body to form a convection radiating channel, an external radiating fin is arranged outside the radiating lamp body, an internal radiating fin is arranged in the inner bore, the LED light source is arranged at the bottom of the radiating lamp body circularly, the driving circuit is arranged in a cavity formed by the lamp cap and the radiating lamp body, and a partition separates the driving circuit from the duct. An external power supply is introduced in the driving circuit by the lamp cap, and the driving circuit outputs current to drive the LED light source. By utilizing a chimney formed by a duct, the radiation capacity of the LED lamp is greatly enhanced, and the service life of the LED lamp is prolonged. If an active radiating device such a fan and the like is arranged in the duct, the LED lamp with larger power can be realized.

The present invention discloses a tubular heat dispersing structure which utilizes tubular channel to contact with the heat source(s) and the heat conductor for restricting the heated air. When the flowing air flows into the channel, it is to produce the flowing naturally, and the heated air flows toward the opening rapidly. Therefore, the structure of the present invention can form air flowing actively for achieving the heat dispersing effect. Besides, the structure of the present invention also can have varied geometric shapes and sizes for corresponding to different shapes of different heat sources and heat conductors, so that a better stacked attachment therebetween can be achieved, thereby saving the cost of building the molds and corresponding to the heat dispersing requirements of various power.

The invention relates to an electric heating device for a rail vehicle and the rail vehicle. The electric heating device comprises a cover case, wherein an electric heating element is arranged inside the cover case, the cover case is hung under a seat, a heat insulation layer is arranged on the inner wall of a top plate of the cover case, and ventilation openings are respectively formed in four side plates and a bottom plate of the cover case. The electric heating device is hang under the seat, the structure is compact, the space in the vehicle is not occupied, the integral attractive appearance in the vehicle is not influenced, in addition, the four side surfaces and the bottom surface of the electric heating device are respectively provided with the ventilation openings, and the air inlet from the bottom and the air outlet from the four side surfaces are realized, so that the air convection effect of the electric heating device is better, heat can be more easily radiated into the vehicle, the heat radiation efficiency is high, meanwhile, through the arrangement of the heat insulation layer, the too-high temperature of the seat is effectively avoided, and the taking comfort is ensured.

The invention discloses a refrigerator with a condensation prevention structure and a condensation prevention control method, and relates to the technical field of refrigeration equipment. An air supply air channel is fixed to the outer portion of a refrigerator body, an air inlet is formed in the front end of the air supply air channel, an air outlet is formed in the tail end of the air supply air channel, and a condensation prevention fan is arranged in the air supply air channel. The air inlet communicates with a compressor bin, and the air outlet is located in the top of a movable rotary beam. According to the condensation prevention control method of the refrigerator, a control unit controls the rotating speed of the condensation prevention fan according to the environment temperature, the refrigeration set temperature in the refrigerator and the work condition of a compressor so as to guarantee the condensation prevention effect. According to the refrigerator and the condensation prevention control method, high-temperature air of the compressor bin is guided to the condensation prevention position through the air supply air channel communicating with the compressor bin, the surface temperature of the rotary beam and a door panel is improved to a certain degree, meanwhile, air convection on the condensation prevention portion is increased, low-temperature wet air in narrow space is blown away, and the condensation prevention effect is achieved; and no heating device needs to be arranged, only power needs to be supplied to the condensation prevention fan, and overall energy consumption of the refrigerator is greatly reduced.

The invention discloses a heat dissipation structure used for the surface of a microelectronic chip. The heat dissipation structure comprises a chip substrate and a heat conducting sheet; the heat conducting sheet is arranged on the surface of the chip substrate; a plurality of through holes are formed in the heat conducting sheet; heat conducting silica gel cushions are arranged in the through holes; a plurality of wet conduction fiber pipes are arranged on the surface of the heat conducting sheet; the wet conduction fiber pipes are arranged uniformly; heat dissipation heat pipes are arrangedbetween adjacent wet conduction fiber pipes; each heat dissipation heat pipe comprises a heat absorption section, an evaporation section and a condensation section which are connected in sequence from the bottom up; the heat absorption section and the heat conducting sheet are fixedly connected together; the top end of the condensation section is connected with an aluminum sheet; the aluminum sheet comprises an arc-shaped section and a horizontal section; and the arc-shaped section is higher than the horizontal section. By virtue of combination of a direct heat conduction mode and an indirectheat dissipation mode entirely, the microelectronic chip can be subjected to high heat dissipation, so that the temperature of the microelectronic chip can be lowered effectively, the chip can be protected effectively, the service life can be prolonged, and the heat dissipation structure is worthy of popularization.

The invention belongs to the technical field of gas disinfection and purification and relates to a wind wheel electrode discharging device. The device comprises a wind wheel electrode, fixed electrodes and a motor, wherein the fixed electrodes are arranged at edges of inner and outer sides of an annular wind wheel; an insulating medium sleeve shell covers the strip-shaped fixed electrodes; fiber cloth covers the blades of the wind wheel electrode; the wind wheel electrode is driven by the motor. The wind wheel electrode discharging device is characterized in that the wind wheel electrode which is conductive in a discharging process is driven by the motor to rotate; an air flow flows through a discharging interface between the fixed electrodes and the wind wheel electrode; pollutants are directly decomposed by plasmas generated by discharging or are adsorbed on fibers covering the blades and then are decomposed by the plasmas. According to the wind wheel electrode discharging device, the problems of discharging nonuniformity and micro-discharging are solved by adopting a rotary electrode, the service life of the electrode is effectively prolonged and the ozone generation rate is reduced; the adsorption fibers coated by nano crystal TiO2 cover the wind wheel blades, so that the adsorption and photocatalysis effects are enhanced, and the air resistance is also reduced; the gas disinfection and purification efficiency is higher, and more energy is saved.

The invention relates to a switchgear and a cabinet thereof. The cabinet of the switchgear is internally provided with an air inlet channel communicated with a breaker cavity directly, an inlet of the air inlet channel is arranged in the sidewall of the cabinet, and an outlet of the air inlet channel is arranged in a separator plate. During use, external air enters the breaker cavity directly via the air inlet channel and is prevented from scattering in a cable chamber, so that air in the air inlet channel flows to the breaker cavity directly, and air circulation in the breaker cavity is enhanced; and arrangement of the inlet of the air inlet channel in the lateral side also helps entrance of air. The heat radiation effect is enhanced obviously due to high airflow performance.

A lamp includes a tube-shaped lamp shade with a space, a first light-emitting diode (LED) light source, a first diffuser, a second LED light source, a second diffuser, and two covers. A spacer extending along the direction of the length of the tube-shaped lamp shade is disposed in the space. The spacer has a first surface and a second surface, and the tube-shaped lamp shade has a first slot and a second slot. The first LED light source is disposed on the first surface. The first diffuser is disposed in the first slot, and a first hole is formed at the first diffuser. The second LED light source is disposed on the second surface. The second diffuser is disposed in the second slot. The two covers are disposed at two ends of the tube-shaped lamp shade respectively, and each cover has a second hole.

The invention discloses a server cabinet used for accommodating a plurality of servers. The server cabinet comprises a cabinet body and a plurality of racks arranged in the cabinet body; the plurality of servers are vertically arranged on the racks; the server cabinet also comprises a radiating device assembly arranged in the cabinet body; the radiating device assembly comprises a first fan arranged on the top of each rack, a cooling device arranged between every two adjacent first fans and positioned above the first fans, and two second fans arranged between every two adjacent racks and positioned at the bottoms of the racks; each first fan sucks airflow on the top of a corresponding rack and blows the airflow to the cooling device; and the two second fans sucks airflow of every two adjacent racks and blows the airflow to the bottom of each rack, so that the heat generated by the servers in the server cabinet is better dissipated.