30results about How to "Effective convection" patented technology

The invention relates to a variable-air-volume intelligent airflow regulating and controlling system of a data machine room. The system comprises a mobile phone with an alarming notification function, a remote monitor computer, an intelligent central controller, an A concentrator, a B concentrator, a plurality of precise air conditioners, a plurality of machine cabinets, a plurality of variable-air-volume airflow induction units and variable-air-volume intelligent blower, wherein a plurality of the precise air conditioners are electrically connected with the B concentrator; the mobile phone with the alarming notification function and the remote monitor computer are connected with the intelligent central controller through communication network; a plurality of the precise air conditioners and a plurality of the machine cabinets are distributed in a data center machine room through a cold channel and a hot channel; the air inlet of the machine cabinet is provided with a variable-air-volume intelligent blower; or the radiation back board of the machine is provided with a variable-air-volume airflow induction unit; the variable-air-volume intelligent blowers and the variable-air-volume airflow induction units are connected with the A concentrator through signal lines; and the A concentrator and the B concentrator are electrically connected with the intelligent central controller. According to the invention, the data machine room reduces the temperature of equipment such as computers and the like; and temperature reducing effect is remarkable so as to achieve effect satisfied by users.

The invention relates to a preparation method for a solid-phase micro-extraction fiber bundle, and relates to preparation of the fiber bundle. The preparation method comprises the steps of (1) preparation of single SPME (solid-phase micro-extraction) fibers based on an integral material: mixing a monomer, a crosslinking agent, a pore-forming agent and an initiator to prepare a uniform solution, then injecting the uniform solution into a capillary which is 5-20cm long and of which the inner diameter is 0.2-0.8mm and the wall thickness is 0.05-0.2mm, sealing two ends of the capillary, performing polymerization, removing a section, which is 1-3cm long, of the capillary, putting the integral material fiber into a soxhlet extractor, performing extraction through a solvent, or putting the fiber into the solvent, and soaking the fiber until no impurity is detected from the liquid so as to obtain the single SPME fibers based on the integral material; (2) preparation of the solid-phase micro-extraction fiber bundle: combining 2-6 of the single SPME fibers based on the integral material on the capillary to obtain the solid-phase micro-extraction fiber bundle. The preparation method is simple, high in extraction capacity, high in extraction speed, low in cost and easy to operate.

The invention discloses an LED lamp based on compound heat dissipation technology, which comprises three parts: a shell unit, a lamp group unit and a power supply unit; the shell unit uses a plastic lamp cap as a connecting body, and its upper part is connected with a metal lamp cap, and its lower part is connected with a metal lamp cap. The plastic or aluminum lamp housing is connected, and there are convection groove lamps engraved around the housing, and the outside is coated with black nano-radiation paint; the ceramic substrate of the lamp group unit and the aluminum plate are tightly welded through the silver foil of the ceramic substrate and the tin-plated layer of the aluminum plate, and the porous copper It is welded on the other side of the aluminum plate, and the LED tube is welded on the other side of the ceramic substrate. Due to the use of composite technologies such as ceramic substrates, porous copper and nano-coatings for heat dissipation, the heat dissipation methods of conduction, convection and radiation are fully utilized for effective heat dissipation, so that the power of LED lights can be made larger.

A rotor segment of an electric machine may include a rotor shaft and a laminated core, which is arranged on the rotor shaft in such a way that a gap dimensioned sufficiently large in the radial direction for the passage of a cooling medium is produced between an outer surface of a hollow cylinder shell and an inner surface of the laminated core. The rotor segment may further include two pressure elements that are held on the rotor shaft in a stationary manner such that the pressure elements axially clamp the laminated core. Further, at least one of the pressure elements is designed as a holding segment allowing cooling medium to pass through.

The invention discloses a fire-curing box which comprises a first box body (1), a second box body (2) and a third box body (3). The fire-curing box is characterized in that the first box body (1) comprises a smoke ventilator module (1-1) and a water tank module (1-2), the smoke ventilator module (1-1) comprises a smoke suction pipeline (1-1-1), a three-way valve (1-1-2), a smoke return pipeline (1-1-3) and a smoke exhaust pipeline (1-1-4), the water tank module (1-2) comprises a water tank body (1-2-1) and a smoke gas pipeline (1-2-2), the second box body (2) comprises a storage rack (2-1) and a first heat source (2-2), the third box body (3) comprises a smoke generation module (3-1), and the smoke generation module comprises a smoke material box (3-1-1), a second heat source (3-1-2) and a smoke pipeline (3-1-3).

The invention relates to a method for driving the molten metal to flow three-dimensionally and periodically based on a permanent spiral magnetic field and belongs to the technical field of metallurgical industry. A spiral magnetic field body is manufactured and composed of a plurality of permanent magnet units which are coaxially mounted and are rings, each of the permanent magnet units is composed of a plurality of permanent magnets and a support frame, the plurality of the permanent magnets are evenly embedded in the support frames, magnetization directions of adjacent permanent magnets are opposite, the permanent magnets of adjacent permanent magnet units are staggered at a certain horizontal angle beta successively along an anticlockwise or a clockwise direction, and a rise angle of a composed spiral magnetic field is alpha, so that the molten metal can be placed in a cavity of the spiral magnetic field, the spiral magnetic field rotates at a certain angular speed, rotation directions change alternatively at a certain period, and the molten metal is driven to flow three-dimensionally and periodically. According to the method, various defects in molten metal solidification can be reduced effectively, and the method is applicable in improving the metal solidification process.

An air cleaning device using water as a filter comprises a water tank, a water pump, a pressure equalizer and air-inhale tubes. The water tank includes an accommodation space for containing water, air inlets and air outlets. A cover hoods the water tank and has a water storage tank and air inlets. The water pump is disposed inside the water tank and connected with the pressure equalizer. Jet pipes of the pressure equalizer respectively interconnect with the air inlets through the air-inhale tubes. The water pump sucks the water in the accommodation space. Through the air-inhale tubes, the jet pipes inhale air in a jet fashion from exterior of the air inlets disposed in multiple directions. The air cleaning device can filter out the impurities in the air and fast clean the air of a large space. The present invention uses water as the filter and favors environmental protection.

The invention provides a sesame cooling and impurity removing device, and aims to solve the problems that impurities cannot be completely removed and the structure of sesame is easily broken in the cooling and impurity removing process of roasted sesame in the prior art. The sesame cooling and impurity removing device comprises a cylindrical rotating screen, a first air pipe, an impurity removing screen and a sesame collecting tank, the rotating screen is horizontally and rotatably arranged, a sesame inlet is formed in one end of the rotating screen, a sesame outlet is formed in the other end of the rotating screen, the sesame inlet is higher than the sesame outlet, impurity removing holes are formed in the side wall of the rotating screen, the size of each impurity removing hole is smaller than the particle size of the sesame, the first air pipe is arranged at the sesame inlet and used for blowing air into the rotating screen, so that the sesame is cooled, the impurity removing screen is obliquely arranged at the sesame outlet, impurity removing holes are formed in the impurity removing screen, the size of each impurity removing hole is larger than the particle size of the sesame, a vibrating motor is arranged on the impurity removing screen, and the sesame collecting tank is obliquely formed below the impurity removing screen. The sesame cooling and impurity removing device is simple in structure, convenient to use and excellent in practicability, the sesame can be effectively cooled, and impurities in the sesame are removed.

An air cleaning device using water as a filter comprises a water tank, a water pump, a pressure equalizer and air-inhale tubes. The water tank includes an accommodation space for containing water, air inlets and air outlets. A cover hoods the water tank and has a water storage tank and air inlets. The water pump is disposed inside the water tank and connected with the pressure equalizer. Jet pipes of the pressure equalizer respectively interconnect with the air inlets through the air-inhale tubes. The water pump sucks the water in the accommodation space. Through the air-inhale tubes, the jet pipes inhale air in a jet fashion from exterior of the air inlets disposed in multiple directions. The air cleaning device can filter out the impurities in the air and fast clean the air of a large space. The present invention uses water as the filter and favors environmental protection.

The invention discloses a clamp insulating structure of a dry-type transformer. The structure comprises clamp insulating parts, an upper clamp and a lower clamp, wherein the clamp insulating parts are arranged on the upper clamp and the lower clamp. Each clamp insulating part comprises a web plate, a support plate and buffer pads, wherein the buffer pads and the support plate are of parallelogram structures which are matched, the buffer pads adhere to the support plate, the set of buffer pads and the support plate adhere to the web plate in a spaced mode, and the web plate is fixed to the upper clamp and the lower clamp. Due to the fact that a heat radiation air channel is formed between the upper clamp and an iron core, heat in an original heat accumulation area is effectively released, and temperature rise of the transformer is reduced. A convection air channel between the lower clamp and the iron core enables air to enter the low portion of a coil smoothly, so that air convection is formed effectively and heat dissipation of the coil is guaranteed. The buffer pads and the support plates are small, and therefore sufficient utilization of materials is facilitated and raw materials are saved greatly.

The invention discloses a novel box-type transformer substation, relates to the technical field of transformer substations. The novel box-type transformer substation comprises a box and a base. The box is composed of wallboards on the periphery and a slope-shaped cover board at the top end. The novel box-type transformer substation is characterized in that each wallboard is composed of an outer wallboard, a vacuum board and an inner wallboard, and the vacuum boards are bonded between the inner wallboards and the outer wallboards; the slope-shaped cover board is composed of an upper cover board, a vacuum board and a lower cover board, and the vacuum board is bonded between the upper cover board and the lower cover board. The novel box-type transformer substation has high ventilation efficiency, is ventilated completely naturally without other apparatuses, and can effectively isolate external heat from the inside thereof and isolate substantial noises generated by instruments therein from the outside.

This invention relates to an air processor in simple structure without secondary air pollution including a shell and a blower fan characterizing that the front part of the inlet scoop of the fan is fixed with light catalysis with at least an edge fixed with an ultraviolet radiation lamp.

The invention discloses a shoe with a power airbag. The shoe comprises a sole and an upper. A shoe ventilation channel formed by mutually communicating a ventilation groove, a channel groove and an airbag is arranged at the corresponding position of the shoe, or a shoe ventilation channel formed by mutually communicating a ventilation groove, an outlet tube and the airbag is arranged at the corresponding position of the shoe, and extension or expansion power is supplied to the airbag, so that the air inside the shoe more effectively convects with the outside of the shoe, and fresh air outside the shoe easily flows into the shoe, and thus the intensity and effect of convection of air inside and outside the shoe are improved. Meanwhile, a check valve is arranged at the preset position of the ventilation channel, and the flow direction of a gas in the shoe ventilation channel is regulated by the check valve, so that the gas in the ventilation channel flows along the preset direction.

The invention discloses a high-efficiency compound radiator, comprising an upper header and a lower header; the upper header and the lower header are connected by means of a heat-dissipating core tube; a heat-dissipating main body tube sleeves the heat-dissipating core tube; an upper cover is arranged on the upper header; a lower cover open in a lower end thereof is arranged outside the heat-dissipating main body tube; a lower end portion of the upper cover is connected with an upper end portion of the lower cover in such a manner that hermetical connection is formed at a connection part thereof; a heat source inlet at one end of the upper header is connected with a heat water inlet, and a vent valve is arranged at the other end of the upper header; a water return port formed in a part, on one side of the vent valve, of the lower header is connected with a water return pipeline; the heat-dissipating core tube is an elliptical core tube of which the section perpendicular to an axial direction is elliptical, and the heat-dissipating main body tube is an elliptical heat-dissipating tube matched with the elliptical heat-dissipating core tube. The high-efficiency compound radiator is beautiful in shape, and convenient to mount, demount and repair; due to the combination of the matching elliptical core tube and elliptical heat-dissipating tube, the heat cycle efficiency is high, the heat utilization rate is increased, and the purpose of quick and balanced heat dissipation is achieved.

The invention provides a graphene electric heater. The graphene electric heater comprises a graphene carbon crystal heating plate and a housing; the back part of the graphene carbon crystal heating plate is provided with the housing; the upper part of the graphene carbon crystal heating plate is provided with an air discharging hole; the lower part of the graphene carbon crystal heating plate is provided with an air charging hole; and the air discharging hole and the air charging hole penetrate through a passage which is arranged between the graphene carbon crystal heating plate and the housing and communicate with each other to form air convection. The graphene electric heater has the advantages of being convenient and quick to assemble and beautiful in appearance, can prevent damages caused by cutting because the appearance is free of a cutting edge, can effectively form convection, and improves the heating effect.

The invention discloses a novel box-type transformer substation, and relates to the technical field of transformer substations. The novel box-type transformer substation comprises a box and a base. The box comprises peripheral upright columns, wall plates, a door and top slope-shaped cover plates. The novel box-type transformer substation is characterized in that at least one upright column ventilation opening is formed in the top of each slope-shaped cover plate. The novel box-type transformer substation has the advantages that the novel box-type transformer substation is high in ventilation efficiency, and a natural ventilation effect can be completely realized without the aid of other instruments; external heat can be effectively stopped from being transmitted into the box-type transformer substation, and a large quantity of noise generated by instruments in the box-type transformer substation can be effectively stopped from being transmitted to the outside of the box-type transformer substation; illuminating warning equipment is provided at night on the basis that an occupied space of the original box-type transformer substation is not enlarged, and the novel box-type transformer substation is attractive in appearance and simple in structure.

The invention discloses an LED surface light source spotlight easy to cool, and belongs to the technical field of LED lights. The LED surface light source spotlight is characterized by comprising an aluminum substrate, several LED lamp beads are distributed on the aluminum substrate, and a mounting frame is connected to the aluminum substrate through a connecting part; the mounting frame is composed of a mounting plate and at least two connecting plates arranged on the mounting plate in the length direction in a spaced mode, and the connecting plates are hinged to the connecting part. The invention aims at providing the LED surface light source spotlight which is compact and novel in structure, good in cooling effect, long in service life and easy to cool, and the LED surface light source spotlight is used for outdoor illumination and advertisement illumination.

The invention provides a method for manufacturing an edible fungus four-pipe baking oven. A fuel inlet is formed in the lower portion of the four-pipe baking oven, a smoke exhaust port is formed in the upper portion of the four-pipe baking oven, a first arc-shaped top plate, a first side plate, a second side plate, a first bottom plate, a grate bridge and a hearth are sequentially arranged in a burning region in the four-pipe baking oven, a second arc-shaped top plate, a first bearing plate, a third side plate, a fourth side plate, a first back plate, a first pipeline type heating pipe, a second pipeline type heating pipe, a third pipeline type heating pipe and a fourth pipeline type heating pipe are sequentially arranged on a heat conducting channel in the four-pipe baking oven, a second bearing plate, a fifth side plate, a sixth side plate, a second bottom plate, a second back plate, a first sealing cover, a second sealing cover, a third sealing cover and a fourth sealing cover are sequentially arranged on a dust remover in the middle of the four-pipe baking oven, and a mask plate, a seventh side plate, an eighth side plate, a third back plate, a third bottom plate, a first supporting column, a second supporting column and a connecting screw are sequentially arranged on a smoke guide outlet in the four-pipe baking oven. The edible fungus four-pipe baking oven is economical and applicable.

The invention relates to the field of indoor ventilation and discloses an active fresh air window and a method for achieving indoor ventilation, aiming to solve the problems that an existing central pipeline type fresh air system requires pipeline arrangement to cause space occupation and adopts a negative pressure mode to enable unclean air to enter rooms while a window-type ventilation system affects lighting. A bay window is mounted on the outer side of a wall and provided with an air inlet, a fresh air handling unit which is a positive-pressure unidirectional-flow fresh air handling unit is mounted on the bay window, an air inlet of the fresh air handling unit is communicated with outdoor air, and an air outlet of the fresh air handling unit is communicated with the air inlet of the bay window. The fresh air handling unit is used for blowing the outdoor air to the indoor, and indoor air is exhausted to the outdoor via an exhaust blower to form air convection. The active fresh air window and the method for achieving indoor ventilation have the advantages that ventilation pipeline laying is unneeded and is irrelevant to whether rooms are decorated or not; the indoor air pressure is positive pressure, and accordingly entering of the unclean air can be avoided; efficient air convection can be achieved; indoor noise is reduced and filter material replacement is facilitated; the active fresh air window is applicable to various constructions.

The invention discloses a box type transformer substation with a natural ventilation effect, and relates to the technical field of transformer substations. The box type transformer substation comprises a box, a base, a door and a plurality of vents. The box consists of wallboards on the four sides and a slopped cover plate at the top end; at least one columnar vent is arranged at the top end of the sloped cover plate and protrudes out of the sloped cover plate; a screen layer and rainproof plates are arranged on each vent, and stainless steel wire nets are mounted between the rainproof plates and fixed to two sides of the rainproof plates through screws. The box type transformer substation has efficient ventilation efficiency, is simple in structure, easy to maintain, and low in manufacturing cost; the vents thereof cannot be blocked after long-term use.

The invention discloses a light emitting diode (LED) fluorescent tube which comprises a power supply, a PC outer cover, a PCB, a radiator and plugs with long slopes. The inner wall of the PC cover is provided with an expansion component, and the outer wall of the PC cover is sleeved with a glass pipe. The radiator comprises a PCB mounting face and a light receiving face. Cooling teeth are mounted on the back of the PCB mounting face. The outer surface of the radiator is provided with lower fins. The surfaces of the plugs are provided with air convection holes symmetrically distributed up and down. The thickness of the fins is no larger than 10 mm. According to the LED fluorescent tube, dust cannot be accumulated on the surface of the radiator, effective air convection is formed, the service life of the product is long, and the production efficiency is high.

The invention relates to a variable-air-volume intelligent airflow regulating and controlling system of a data machine room. The system comprises a mobile phone with an alarming notification function, a remote monitor computer, an intelligent central controller, an A concentrator, a B concentrator, a plurality of precise air conditioners, a plurality of machine cabinets, a plurality of variable-air-volume airflow induction units and variable-air-volume intelligent blower, wherein a plurality of the precise air conditioners are electrically connected with the B concentrator; the mobile phone with the alarming notification function and the remote monitor computer are connected with the intelligent central controller through communication network; a plurality of the precise air conditioners and a plurality of the machine cabinets are distributed in a data center machine room through a cold channel and a hot channel; the air inlet of the machine cabinet is provided with a variable-air-volume intelligent blower; or the radiation back board of the machine is provided with a variable-air-volume airflow induction unit; the variable-air-volume intelligent blowers and the variable-air-volume airflow induction units are connected with the A concentrator through signal lines; and the A concentrator and the B concentrator are electrically connected with the intelligent central controller. According to the invention, the data machine room reduces the temperature of equipment such as computers and the like; and temperature reducing effect is remarkable so as to achieve effect satisfied by users.

The invention provides a light motor which comprises a stator, wherein a silicon steel sheet group of the stator is provided with a center hole for sleeving an inner bushing, and the inner bushing is provided with a shaft hole for coupling a motor shaft, thereby lowering the material cost and reducing the weight. A rotor is sleeved on the stator and is annularly provided with a plurality of magnets, and a left cover and a right cover are respectively positioned at two sides of the stator and rotor. Thus, after the current flows through a coil group of the stator, the electromagnetic force canbe generated to drive the rotor to rotate; and because a left inner cavity is formed at the left side of the inner bushing, a right inner cavity is formed at the right side of the inner bushing and the left inner cavity and the right inner cavity are mutually communicated, the heat can be dissipated effectively, thereby prolonging the service life of the motor.

The invention discloses an LED fluorescent lamp tube, which comprises a power supply, a PC cover, a PCB board, a radiator and a plug with a long slope. The inner wall of the PC cover is provided with an expansion piece, and the outer wall is covered with a glass tube. The radiator includes a PCB mounting surface and a light-receiving surface, the back of the PCB mounting surface is equipped with cooling teeth, the outer surface of the radiator is provided with lower fins; the surface of the plug is provided with air convection holes symmetrically distributed up and down, The thickness of the lower fins is not greater than 10mm. The surface of the radiator of the invention does not accumulate dust, the air forms effective convection, the product has a long service life and high production efficiency.

The invention discloses a high-efficiency compound radiator, comprising an upper header and a lower header; the upper header and the lower header are connected by means of a heat-dissipating core tube; a heat-dissipating main body tube sleeves the heat-dissipating core tube; an upper cover is arranged on the upper header; a lower cover open in a lower end thereof is arranged outside the heat-dissipating main body tube; a lower end portion of the upper cover is connected with an upper end portion of the lower cover in such a manner that hermetical connection is formed at a connection part thereof; a heat source inlet at one end of the upper header is connected with a heat water inlet, and a vent valve is arranged at the other end of the upper header; a water return port formed in a part, on one side of the vent valve, of the lower header is connected with a water return pipeline; the heat-dissipating core tube is an elliptical core tube of which the section perpendicular to an axial direction is elliptical, and the heat-dissipating main body tube is an elliptical heat-dissipating tube matched with the elliptical heat-dissipating core tube. The high-efficiency compound radiator is beautiful in shape, and convenient to mount, demount and repair; due to the combination of the matching elliptical core tube and elliptical heat-dissipating tube, the heat cycle efficiency is high, the heat utilization rate is increased, and the purpose of quick and balanced heat dissipation is achieved.

The invention discloses an outdoor power distribution cabinet having an intelligent temperature control function. The outdoor power distribution cabinet includes a negative temperature coefficient temperature-sensitive device, a solar power generation system, a refrigerating machine, and a power distribution cabinet body, the negative temperature coefficient temperature-sensitive device is arranged on the inner wall of the power distribution cabinet body, the negative temperature coefficient temperature-sensitive device, the solar power generation system, and the refrigerating machine are successively and serially connected, the solar power generation system includes a solar generating board which is inclinedly arranged at the upper part of the casing of the power distribution cabinet body, the refrigerating machine is arranged between the solar generating board and the power distribution cabinet body, a cold air duct is connected with the refrigerating machine and extends to the top of inner space of the power distribution cabinet body, and the cold air duct of the inner space of the power distribution cabinet body is provided with a cold air window which opens downwards. The outdoor power distribution cabinet can intelligently control temperature to prevent electric power device from being damaged because over-high temperature; a cooling deice is arranged at the bottom of the side wall of the power distribution cabinet body to effectively reduce the inside temperature of the power distribution cabinet, and an induced draught fan is arranged in the cold air window to prevent local temperature from being too low.

The invention particularly relates to a computer host chassis which comprises a main chassis housing and is characterized in that the front surface of the housing is a front door which can be opened;a supporting device is arranged at a position where the bottom surface of the housing is in contact with the horizontal plane; a through hole structure is arranged on the bottom surface of the housing; a fan is fixed above the through hole structure; wind generated by the fan is blown to the inside of the chassis; a filtering device is arranged above the fan; the filtering device is formed by twolayers of square filtering screens, and the periphery of the filtering device is fixed by a square frame; both ends of the square frame for the filtering device are clamped into chutes on both left and right inner surfaces of the housing; the wind generated by the fan is blown into the chassis through the filtering device; an air exhauster is arranged at the top of the housing and inside the chassis; through holes are formed at the top of the chassis and above the air exhauster; and the air exhauster exhausts air in the chassis out of the chassis. The method can effectively solve a problem ofinsufficient heat dissipation of the computer host chassis.