58results about How to "Increased convection cooling" patented technology

A cooling system of ring segment is provided with: a collision plate that has a plurality of small holes; a cooling space that is enclosed by the collision plate and a main body of the segment body; a first cavity that arranged is the upstream end portion of the segment body in the flow direction of the combustion gas so as to be perpendicular to the axial direction of a rotating shaft; a first cooling passage that communicates from the cooling space to the first cavity; and a second cooling passage that communicates from the first cavity to a fire combustion gas d gas space in the downstream end portion of the segment body in the flow direction of the combustion gas.

The invention discloses a thyristor valve block of a static var compensator (SVC), which comprises one group or more than one group of mutually-tandem anti-parallel thyristor unit modules, resistance-capacitance protection unit modules, plate unit modules, frames and insulators, wherein the anti-parallel thyristor unit modules, the resistance-capacitance protection unit modules and the plate unitmodules are fixed on the frames; each resistance-capacitance protection unit module comprises a capacitor and a resistor; the insulators are fixed on the frames; the insulators are used for supporting and fixing the frame of the thyristor valve block; and each anti-parallel thyristor unit module comprises a thyristor and a profile self-heat dissipation structure, wherein the thyristor and the profile self-heat dissipation structure are pressed and combined together, and the heat dissipation of the thyristor is realized by heat conduction and convection. The thyristor valve block described by the implementation mode in the invention has the advantages of small volume, simple structure assembly and few hidden troubles and is easy to detect and maintain, the valve block can determine the tandem quantity according to the actual capacity conditions of users, and the self-heat dissipation mode is especially suitable for the SVC with medium or small capacity.

The invention discloses an LED (Light-Emitting Diode) lamp bulb with good heat radiation. The LED lamp bulb a lamp cover, a lamp cup, an LED chip, a driving PCB (Printed Circuit Board) box, a driving PCB, a lamp cap molding piece and a lamp cap, wherein a plurality of vertical heat radiation seams are arranged on the side wall of the lower part of the lamp cup and are communicated with a hollow cavity of the lamp cup; a mounting face is arranged at the upper end of the lamp cup and the mounting face is fixedly connected with the LED chip or is fixedly connected with the LED Chip by using the PCB through mounting the LED chip; a flow guide cavity provided with an inner cavity for entering the lamp cover is arranged at the top end of the lamp cover; and the bottom end of the flow guide cavity is connected to the upper end of the hollow cavity so that air outside the LED lamp bulb can flow through the radiation seams among the flow guide cavity, the hollow cavity of the lamp cup and the lamp cup. Due to the adoption of the structure, when the LED lamp bulb is lighted, the heat emitted by the LED chip of the LED lamp bulb can be conducted to a heat radiation sheet on the back through a heat conduction base so as to be dissipated to the hollow cavity of the lamp cup, and then the heat is radiated to the outside air through a flow guide channel which is communicated with the outside air through the heat radiation seam of the flow guide cavity, the hollow cavity of the lamp cup and the lamp cup, so that the exchanging and communication of cold air and hot air can be accelerated and the heat radiation problem of the LED lamp is effectively solved.

A device for liquid cooling an electric motor having a rotor and a stator includes at least one cooling liquid applicator arranged to apply cooling liquid from the side of the stator onto an end portion of the stator. The cooling liquid applicator is moveably arranged relative to the stator so that the cooling liquid by means of the movement of the cooling liquid applicator is applied onto different areas of the end portion. In this way a continuous stream of cooling liquid can be applied onto the end portion of the stator leading to a reduced risk for erosion of located coil ends.

The invention discloses a cooling structure and a cooking method of a photovoltaic (PV) inverter. The cooling structure of the PV inverter mainly comprises convection air inlet channels on two sides and at the bottom of a cooling chamber, and a heat dissipation air channel of a rear chamber. A main air channel is a middle passing-through air flow channel located between a front chamber and the rear chamber of the inverter. An auxiliary air channel is located in the rear chamber of the inverter, and auxiliary heat dissipation air channels are formed from an air inlet to an air outlet and from the air inlet to an air exhaust groove of the cooling chamber. In order to meet the cooling requirement under a high-temperature environment, a fan is used for carrying out forced air cooling heat dissipation. Through the multiple air channel cooling method, the problems that when a traditional radiator method is used, heat cannot be dissipated sufficiently, and the temperature cannot be lowered sufficiently, so that the inverter is overheated to cause a failure and equipment accidents, or the service life of the inverter is shortened, and the like can be solved.

The invention discloses an LED (light emitting diode) illumination device which comprises a girder, a plurality of LED light source modules and a power supply, wherein the power supply provides electric power for the LED light source modules which can be detachably arranged at at least one side of the girder; the girder is a sectional material with a better heat radiation effect and forms a heat radiation body through extruding and extending into a whole, and is of a U-shaped cavity shape; the inner side wall below the girder is of an inverted-ladder-shaped wedge slot structure; the outer side wall of the shell of the power supply is also of an inverted-ladder-shaped wedge slot structure; the power supply can be inserted in or extracted out of the girder, and when the power supply is inserted into the girder, the wedge slot structure of the power supply is fit with that of the girder. The girder can be utilized for finishing the heat radiation efficacy for the design, and also the tight adhesive design of the bottom of a power supply box and the bottom of the girder reaches a favorable heat radiation effect simultaneously.

A concentrated and non-concentrated solar photovoltaic (PV) system with rotating PV cells or cell assemblies is provided to enhance cooling, receive both concentrated and non-concentrated sunlight, avoid hot spots and prolong PV cell operation life. The solar PV system comprises: one or more reflectors having a sun-facing side and a non-sun-facing side; and one or more rotating members with attaching PV cells or cell assemblies disposed at the sun-facing side of the reflector, herein the rotating members are able to rotate. The one or more rotating members with PV cells or cell assemblies are placed at predetermined positions at the sun-facing side of the reflector, and, during operation, the PV cells or cell assemblies has at least one light illuminated surface which is able to receive reflected light from different positions of the reflector, the direct solar radiation from the sun or the diffused solar radiation from the surroundings.

The invention comprises: an electric heating tube and a fin expansion board. The fin expansion board is composed of multi groups of identical fin plates; its one end closely wraps the electric heating tube. The fin expansion board of the invention can be made into the one with larger size so as to have better cooling effect.

A cooling system is provided for automatic transmission torque converter assemblies having a housing shell and flex plate. The cooling system includes a housing cover having opposing exterior and interior surfaces that define a wall portion and a preferably circular base portion. The base portion is configured to attach to the flex plate, preferably by one or more stud members, to be rotated thereby. The wall portion extends from a periphery of the base portion and is configured to attach to the housing shell. The cooling system also includes a plurality of vane members positioned along the outer periphery of the base portion. The vane members are configured to increase convective dissipation of heat from the torque converter assembly to surrounding ambient air by increasing the heat transfer coefficient and surface area. Optimally, the vanes have a turbine fin configuration, but may alternatively have curved fin or a straight-fin configuration.

The invention relates to the technical field of power batteries, and provides a square cell module, comprising a module frame and a plurality of cells arranged in the module frame, wherein the moduleframe is a hollow frame structure, and a cell fixing device and a cell monitoring heating device are arranged in the module frame; The battery cell fixing device comprises a battery cell supporting seat and a battery cell connecting seat. The battery cell supporting seat is provided with a plurality of supporting seat separators. The battery cell connecting seat is correspondingly provided with aplurality of connecting seat separators. The above of the battery cell connecting seat is press-fitted with a battery cell pressing part. The cell monitoring and heating device comprises a bottom heating film of the cell, a side heating film of the cell symmetrically arranged and a signal acquisition terminal, wherein the electrodes of each cell are electrically connected with each other through an electric connection plate, the signal acquisition terminal is fixed on the electric connection plate, and a module end cover is arranged on the upper surface of the electric connection plate and thecell connection seat. The square cell module has the advantages of simple structure, good heating and heat dissipation performance, low manufacturing cost and high energy density.

A gas diverter is disclosed that slows, cools, and directs the hot gas and plasma generated during the operation of an electrical switching device. The gas diverter mounts to the switching device and has an inlet for accepting the gas and exit for expelling the gas. The diverter has peripheral walls and internal partitions that divide the gas and provide for two independent circuitous flow paths. In multi-phase switching devices, a plurality of gas diverters may be used to further separate the gases generated in each respective phase. The gas diverter is made of a high temperature, arc resistant plastic which is molded to form a two piece structure. The gas diverter is mounted to the device via a slide in place flange-channel mechanism.

The invention provides a mechanical sealing structure with a honeycomb-shaped groove in the cylindrical surface. The honeycomb-shaped groove is formed in the outer circular end face, namely the cylindrical surface A, of the mechanical sealing structure in the radial direction and circumferential direction of a cylinder. The honeycomb-shaped groove is composed of hexagonal prisms (1), reinforcing ribs (2) in sealed faces and the sealed faces (3), wherein the hexagonal prisms (1) are located right in the middle of the honeycomb-shaped groove, namely an annular groove, and the reinforcing ribs (2) are each in a semi-hexagonal prism shape and integrated with the sealed faces (3). By applying the mechanical sealing structure to existing non-contact mechanical sealing, the advantages of reshaping of the sealed end faces can be brought into play to a higher extent, the sealing and lubricating effects and stability are remarkably improved, and the service life of the mechanical sealing structure is greatly prolonged.

The invention discloses a double-face light emergent slice type light emitting diode (LED) lamp, which comprises a lamp holder, a power supply and a transparent lampshade, wherein the power supply is arranged in the lamp holder. The lamp is characterized by also comprising an LED lamp source and a lamp core clamp, wherein the lamp core clamp is arranged in the transparent lampshade; a gap is reserved in the lamp core clamp; the LED light source is arranged in the gap of the lamp core clamp, is conducted by the power supply in the lamp holder, and comprises a flexible circuit substrate; and a plurality of LED chips or packaged LED lamp beads are directly attached to two faces of the flexible circuit substrate. The problems of poor heat dissipation effect, relatively short service life and relatively heavy weight of the conventional LED lamp, the problem that the conventional LED lamp is easy to damage and the problems of relatively low light emergent efficiency and relatively low light source utilization rate because only a single face of the conventional LED light source emits light are solved; due to the double-face light emergent slice type LED lamp, the light emergent efficiency and the light source utilization rate are improved; furthermore, the heat dissipation capacity of a luminous light source of the LED lamp is improved greatly, and the weight and the cost of the LED lamp are reduced; and the double-face light emergent slice type LED lamp is more suitable for automatic production, and is supplied to consumers for use.

The invention relates to the technical field of greenhouses, and discloses a greenhouse capable of accelerating growth and development of plants. The greenhouse capable of accelerating growth and development of the plants comprises a soil body, wherein the plants are planted at the top of the soil body; a greenhouse body is arranged around the plants, and is fixedly mounted at the top of the soil body; a carbon dioxide generation device, a sensor group and a fan are arranged in the greenhouse body; two top frames are fixedly connected to the top of the greenhouse body through supporting rods; and a high-light-transmittance heat insulation film is movably arranged between the two top frames. A temperature sensor, an illuminance sensor and a carbon dioxide concentration sensor monitor the temperature, the illumination intensity and the carbon dioxide concentration in the greenhouse body in real time, and the environment in the greenhouse body is regulated and controlled in real time according to monitoring data, so that the plants can grow in the proper environment, and growth and development of the plants are accelerated. The greenhouse capable of accelerating growth and development of the plants provided by the invention is novel in design and simple in structure, and has the advantages of being easy to regulate temperature, illumination intensity and carbon dioxide concentration.

The invention relates to the technical field of air conditioners, in particular to a fluorine pump air conditioner unit cabinet which comprises a cabinet body with a mounting cavity and an isolation cavity. An electric control box is arranged in the mounting cavity and is adjacent to the isolation cavity; one side of a radiator is connected with an electric control board in the electric control box, and the other side of the radiator penetrates out of the electric control box and is arranged in the isolation cavity. The isolation cavity is provided with a first air inlet and a first air outletwhich are communicated with the outside, the first air inlet is located under the radiator, and the first air outlet is located over the radiator; the isolation cavity forms a natural convection flowchannel through the first air inlet and the first air outlet. According to the fluorine pump air conditioner unit cabinet, through arrangement of the isolation cavity, heat of the radiator can be directly dissipated into the external environment, the temperature of the electric control box can be lowered, meanwhile, the overall temperature in the cabinet body is lowered, and the fluorine pump airconditioner unit cabinet can be used under the condition that the environment temperature is high; in addition, the mounting cavity of the cabinet body can sealed while heat dissipation is achieved,and influence of external moisture and the like on the reliability of internal electric control devices is avoided.

The invention discloses a straight tube type bulb lamp with chimney effect. The straight tube type bulb lamp with the chimney effect comprises a lamp holder, a substrate, an LED light source module, an LED driving power supply, a lampshade, a heat dissipating straight tube and a fixing support, wherein the LED driving power supply is electrically connected with the lamp holder and the substrate; the substrate is an annular structure and fixedly sleeves the heat dissipating straight tube; the LED light source module is mounted on an outer ring surface of the substrate; the lampshade is fixedly connected with the heat dissipating straight tube and covers the substrate with the LED light source module; the LED driving power supply is fixedly arranged in the lamp holder; the lampshade and the lamp holder are isolated from each other; the lamp holder is positioned outside the heat dissipating straight tube, and is fixedly connected with the heat dissipating straight tube and the lamp holder through the fixing support; a chimney channel is formed in a hollow inner hole of the heat dissipating straight tube; and two ports of the chimney channel are connected to the outside so as to achieve the chimney effect. The straight tube type bulb lamp with the chimney effect has the advantages that the traditional heat sink part can be omitted, the heat dissipating effect is good, the structure is simple and reasonable, and the practicability is high.

The invention discloses a convex touch glass large-screen LCD display module and an electronic blackboard. The convex touch glass large-screen LCD display module comprises a straight display module body, a glass substrate and a profile outer frame, wherein a projection type capacitive touch film is adhered to the glass substrate in a relatively convex manner, and the profile outer frame is used for fixing the display module body and the touch film glass substrate. According to the convex touch glass large-screen LCD display module, by setting the convex touch film glass substrate, and by setting the touch film glass substrate and the display module body in the same sectional material outer frame together, a certain distance is formed between the touch film glass substrate and the local area of the central position of the display module body; and in this way, during the using process of the display module body, the liquid crystal panel glass on the display module body does not make contact with the touch control film glass substrate when protruding outwards in the direction of the touch control film glass substrate, so that the problems of touch control failure, water vapor condensation, pattern pressing, convection heat dissipation and the like caused by protruding outwards of the liquid crystal panel glass are practically solved, and stable touch control, clear display and smooth writing of common chalks are achieved.

The invention belongs to the technical field of heat transfer engineering application, and aims to solve the problems that an existing high-temperature heat pipe is low heat transfer coefficient, liable to generating the cold-state starting limit and poor in condensation effect. A pipe shell of the high-temperature heat pipe is a cylindrical structure with two ends closed; one end of the pipe shell is provided with an evaporation section, the other end of the pipe shell is provided with a condensation section, and a heat insulation section is arranged between the evaporation section and the condensation section of the pipe shell; a heat source acts on the evaporation section of the pipe shell, and the heat of the condensation section of the pipe shell is dissipated on a cold source; a capillary core is arranged on the inner side wall of the pipe shell; an inner insertion spring is of a spiral structure and is arranged on the inner wall of the capillary core of the evaporation section of the piper shell; and the fin is arranged on the outer wall of the condensation section of the pipe shell. The high-temperature heat pipe has the beneficial effects are that the heat transfer coefficient is good, the cold-state starting limit is not prone to occurring, and the condensation effect is good.