43results about How to "Improve heating and cooling efficiency" patented technology

The invention discloses a rotational molding forming device applying constant-temperature jet-propelled heating, belonging to the technical field of rotational molding. The rotational molding forming device is used for manufacturing large and medium plastic products with complicated shapes by using a rotational molding technology. The rotational molding forming device mainly comprises an air heating system, a forming die, a gas recycling cover, an insulating layer, a hot air distributing pipe, a nozzle, a rotational spindle cylinder, a crank arm, a hot air inlet pipe and a hot air distributing pipe air outlet pipe. Polymers capable of being applied to rotational molding forming can be processed into plastic products by using the device. According to the invention, the deficiency in several kinds of rotational molding more widely applied to the rotational molding forming device is solved to a certain degree. The novel rotational molding forming device has the advantages of high temperature control precision, good temperature uniformity, high heat exchange efficiency and low die cost, and overcomes the defects of large energy loss, long production period, low production efficiency and the like of the rotational molding forming device.

The invention relates to an integrated ceiling heating refrigerating system and relative operation. The invention is formed by an integrated water tube, an integrated water discharge tube, a hot medium distributor and a heating refrigerating tube. The heating refrigerating tube is arranged in the floated coat under the ceiling of each room as fixed heating refrigerating tube; the floated coat is arranged with a steel bar network for fixing the heating refrigerating tube; the steel bar network is fixed on the ceiling; the integrated water tube is connected with the hot medium distributor connected with each heating refrigerating tube; the integrated water discharge tube is connected with the hot medium distributor. The invention can avoid dew on the ceiling caused by too low temperature of refrigerating water in summer, while the water temperature of refrigerating tube is 18-20/23-25Deg. C, and the water temperature is 39-41/29-31Deg. C of heating tube in winter. The invention has low cost, non pollution and high efficiency.

The invention is a centrifugal-temperature composite test box, and aims to provide a test box which can be installed and work on a centrifuge and realize a high/low-temperature calibration environment in order to provide a centrifugal-temperature composite calibration environment for an accelerometer. The centrifugal-temperature composite test box is mainly composed of a box body part, an expansion chamber and a gas circulation system. The test box and the accelerometer are separately installed. The box body part is a cylindrical sandwich structure including a heat insulation layer, a temperature carrying layer and an inner cavity. The centrifugal-temperature composite test box is implemented by the following scheme: the heat insulation layer is filled with heat insulation material, the temperature carrying layer is filled with temperature carrying liquid and is equipped with a temperature carrying liquid spiral circulation channel and a temperature carrying gas circulation channel, and the inner cavity is equipped with an air guide sleeve and an electric heating film; the expansion chamber is a closed cavity; the gas circulation system provides power for gas circulation in the cavity; and the temperature of the temperature carrying liquid is controlled directly or controlled by controlling the temperature of gas in the gas pipe, and heat exchange between the inner wall of a temperature carrying cavity and the gas in the inner cavity is utilized or the gas in the inner cavity is heated by the electric heating film so as to realize precise control on the temperature of the inner cavity.

The invention relates to a biochemical instrument, and provides a constant temperature metal bath, which comprises a base, a warming and cooling part and a radiating part, and also comprises a heat-conducting fin used for heat exchange, wherein the upper and lower surfaces of the heat-conducting fin are attached to the base and the warming and cooling part; and the coefficient of heat conduction K of the heat-conducting fin is more than 237W/m.K. A layer of heat-conducting fin is arranged between the base and the warming and cooling part, and thermal interface materials are coated on contact surfaces among the base, the heat-conducing fin, the warming and cooling part and the radiating part, and the heat conducting uniformity is enhanced; a thermal insulation gasket is arranged between the base and the heat-conducing fin, and the thermal insulation function of the base is enhanced; an exhaust fan is moved to the bottom, and the number of the exhaust fans is increased, so that the warming and cooling efficiency is improved; and an anti-condensation device and a gasket are arranged above the base, and a lantern ring is arranged at the periphery of the base, so that the usability of the constant temperature metal bath is improved.

The invention provides a chip support assembly, a reaction cavity chamber and semiconductor processing equipment. The chip support assembly comprises a tray and a substrate, wherein the tray is used for bearing a plurality of chips, the substrate is used for bearing the tray and can be raised and descended so that the substrate is raised to a process position for performing the process or is descended to a disassembly position to do operation of taking and placing the tray, a plurality of hollow parts are arranged on the tray, each chip is in one-to-one corresponding to each hollow part, each hollow part is used for allowing the tray only to be contact with an edge region of a lower surface of each chip, a plurality of bosses are arranged on an upper surface of the substrate, and when the substrate is arranged at the process position, each boss is arranged in each hollow part in one-to-one correspondence and the chips are supported. With the chip support assembly provided by the invention, the problem that the edges of the lower surfaces of the chips are polluted during preclean of the chips can be prevented, moreover, the heating or cooling efficiency also can be improved, so that the yield can be improved.

The invention provides an air cooling system of an electromagnetic heating temperature-control system. The air cooling system includes a heat radiation portion comprising heat conduction strips, a radiating fin and an air channel, and a wind power source. The heat conduction strips are at least two with length directions perpendicular or nearly perpendicular to a winding direction of an electromagnetic coil of the electromagnetic heating temperature-control system, and each are provided with a striped structure in close contact with an outer wall of a temperature-control object of the electromagnetic heating temperature-control system. The air channel is formed between the radiating fin and the outer wall of the temperature-control object and/ or other parts of the heat radiation portion. An outlet of the wind power source is connected to an inlet of the air channel. The air cooling system and the electromagnetic heating temperature-control system using the air cooling system minimize leakage flux, improve heating efficiency and heat radiating efficiency, prevent vortex in air-cooled structural components, and achieve the purposes of stable temperature control and efficient energy-saving.

The invention belongs to the technical field of floor heating construction engineering, and particularly provides a graphene electric heating plate for ground heating. The graphene electric heating plate mainly comprises an upper epoxy resin sheet, a graphene heating layer and a lower epoxy resin sheet, wherein the upper epoxy resin sheet, the graphene heating layer and the lower epoxy resin sheet are sequentially overlapped. The front end and the rear end of the lower epoxy resin sheet are respectively provided with a second metal sheet and the second metal sheet is positioned on the surface of the lower epoxy resin sheet that is closer to the graphene heating layer. The front end and the rear end of the upper epoxy resin sheet are respectively provided with a front wire hole and a rear wire hole. Inside the front wire hole, an electric wire electrically connected with the second metal sheet at the front end of the lower epoxy resin sheet penetrates through the front wire hole. Inside the rear wire hole, an electric wire electrically connected with the second metal sheet at the rear end of the lower epoxy resin sheet penetrates through the rear wire hole. The invention correspondingly provides a method for producing the graphene electric heating plate for ground heating. The prepared graphene electric heating plate for ground heating is safer, more reliable, better in heat stability, better in adhesive force and the like.

The invention discloses an automatic nucleic acid extraction and real-time quantitative PCR device and a matched reaction box. The device consists of the matched reaction box, a light source and fluorescence receiving device, a heating-cooling device, a matched reaction box supporting structure, a motor set and ultrasonic amplitude transformer and a controller, wherein the matched reaction box mainly comprises a main body, a top cover, a reaction chamber, an injection syringe and the like; the light source and fluorescence receiving device mainly comprises light-emitting diodes, lenses, lightfilters, photodiodes and the like; the heating-cooling device mainly comprises semiconductor coolers, heating sheets, heat-dissipation wires and temperature inductors; and the motor set and ultrasonicamplitude transformer mainly comprises a motor, a lead screw, an ultrasonic amplitude transformer and the like. According to the automatic nucleic acid extraction and real-time quantitative PCR device, automatic closed nucleic acid extraction and amplification detection can be realized through a commercialized nucleic acid extraction detection regent, so that the labor force is greatly saved, meanwhile, the nucleic acid pollution probability is greatly decreased, and risks of biohazards such as aerosol are greatly decreased; and the whole device and the matched reaction box are small in volume and can be applied to nucleic acid experiments in various scenes.

The invention relates to a steam heating type rapid heat cycle molding injection mold. The mold comprises a core plate and a cavity plate, wherein the core plate and the cavity plate are respectively connected with support plates; the support plates adopts ordinary steel plates with poor heat-conducting properties; the ordinary steel plates are connected to form a latticed structure in a criss-cross manner; the cavity plate is formed by a molding layer and a base layer; the base layer is prepared with ordinary hot work mold steel by adopting a conventional process; the molding layer is prepared by superposing high-quality mold steel with good heat fatigue resistance and wear resistance and terrific polishing property on the surface of the base layer by adopting an overlay welding method; heating and cooling pipelines are arranged on the core plate and the base layer of the cavity plate and are connected with temperature control devices to achieve rapid heating and cooling of the molding surface of the mold. The steam heating type rapid heat cycle molding injection mold has the beneficial effects that innovative designs of the material, the structure, and the like are put forward, so that the mold has the obvious advantages of low production cost, high heating and cooling efficiency, good product surface quality, light mold weight, and the like.

The invention relates to a hot air circulating system which is specifically applied for carrying out heating, heat preservation and cooling on the air in a burn-in room and is capable of enabling the temperature in the burn-in room to be circulated in a large scale, enabling the temperature in the burn-in room to be more uniform and reducing the number of draught fans in the burn-in room under the situation that heating, heat preservation and cooling technologies of the burn-in room is ensured. The hot air circulating system comprises a circulating air duct system, wherein the circulating air duct system is arranged at the inner part of a burn-in room main body and is provided with four air outlets and two air return inlets, the air outlets are arranged on an air duct on the inner top surface of the burn-in room, the air return inlets are arranged at the inner bottom end of the burn-in room, the two air return inlets are symmetrically arranged at two sides of a circulating air duct on the inner side wall of the burn-in room, the circulating air duct is also internally provided with a circulating draught fan and an indoor heat exchanger, the circulating draught fan is driven to rotate through a draught fan motor, the indoor heat exchanger is a condenser or an evaporator in a heat pump system, and the circulating draught fan and the indoor heat exchanger respectively have the function of heating or refrigerating the air in the circulating air duct.

The invention discloses a temperature-controllable battery module and a temperature control method thereof. The temperature-controllable battery module comprises a shell, a plurality of battery cellsand a control panel, wherein the battery cells are arranged in the shell at intervals, air duct gaps used for heat exchange are formed between the adjacent battery cells, heating pieces and fans are sequentially arranged at inlets and/or outlets of the air duct gaps, a battery cell temperature sensor is arranged on the battery cell, and the control panel is connected with the plurality of batterycells, the battery cell temperature sensor, the heating pieces and the fans respectively. The battery module is simple in structure, can quickly perform self-heating and cooling on the battery cells,and is more efficient in temperature control of the battery cells.

A steam engine has a pipe shaped fluid container, a heating and cooling devices respectively provided at a heating and cooling portions of the fluid container, and an output device connected to the fluid container, so that the output device is operated by the fluid pressure change in the fluid container, to generate an electric power. In such a steam engine, an inner radius 'r 1' of the cooling portion is made to almost equal to a depth 'delta 1' of thermal penetration, which is calculated by the following formula (1).

The invention relates to an efficient environment-friendly energy-saving dual-source double-cooling three-temperature three-effect cold and warm water supply system which mainly comprises a heat pump, a heat exchanger, a gas evaporator and a water evaporator. The heat pump is connected with the heat exchanger through a pipe, and a three-way valve and a four-way valve are mounted on the pipe for connecting the heat pump and the heat exchanger. The heat exchanger is connected with the gas evaporator through a pipe, and a filter, an electronic expansion valve and a reversing valve are mounted on the pipe for connecting the heat exchanger and the gas evaporator. The gas evaporator is connected with the heat pump through a pipe, and a gas-liquid separator is mounted on the pipe for connecting the gas evaporator and the heat pump. One end of the gas evaporator is connected to the pipe between the water evaporator and the four-way valve, and the other end of the gas evaporator is connected with the reversing valve. A hot water heat exchanger is connected with the four-way valve through a pipe, and a one-way valve is mounted on the pipe for connecting the hot water heat exchanger and the four-way valve. The efficient environment-friendly energy-saving dual-source double-cooling three-temperature three-effect cold and warm water supply system has the advantages that coolant in the system is driven by the heat pump to absorb heat in air and water to power a cold and hot water supply unit, and environment protection and energy saving are evidently effective.

The invention discloses an automatic water-oil temperature control device used in automobile driving system. The automatic water-oil temperature control device comprises an assembly box, an oil inlet mechanism and an oil storage mechanism, wherein the oil inlet mechanism and the oil storage mechanism are arranged at the right side of the assembly box; a heat dissipation mechanism is arranged at the upper side of the assembly box; and a power mechanism is arranged at the rear side of the assembly box. According to the automatic water-oil temperature control device, while the temperature of cooling liquid is controlled, the temperature of lubricating oil is synchronously controlled; a heating structure is added in a traditional lubricating oil water cooling part, so that a lubricating oil device can be heated twice inside and is rapidly heated up, so that the purpose of reducing mechanical wear caused by the lubricating oil is achieved; secondly, due to a temperature control system, the temperature of cooling liquid can be controlled within a proper threshold value, thus preventing damage caused by freezing, and a temperature controller is synchronously arranged for control on an electric fan of a radiator, so that idling at the low temperature is reduced, and energy waste is reduced; and meanwhile, the automatic water-oil temperature control device realizes automation of the treatment process, so that the heating and cooling efficiency is greatly improved, the time is saved, and the cost caused by the mechanical wear is reduced.

The invention relates to the field of thermodynamic technologies and discloses a full-automatic high-temperature air pressure test system allowing pressure vessel cyclic loading. According to the system, a low-pressure buffer tank connected with an air source is connected with a cyclic compressor, and the cyclic compressor is connected with a high-pressure buffer tank after being connected with another cooling branch in parallel through a loop stop valve; the high-pressure buffer tank is connected with a workpiece through a heater after being connected with a heat exchanger; and the workpieceis connected with a nitrogen water cooler through the heat exchanger, and the nitrogen water cooler is directly connected with the low-pressure buffer tank. Through the system, by the adoption of high-pressure gas heating, gas heat capacity can be remarkably increased, so that heating and cooling efficiency is improved; by use of a cyclic loop system, a gas medium can be utilized repeatedly, wasteis avoided, and system running cost is lowered; full-automatic control of all components, valves and the like of the system is realized through sensor data, the control precision of temperature, flowand other indexes can be improved, human errors are avoided, and the system is safe and reliable.

The invention relates to an intelligent humidification heating and refrigerating system. The intelligent humidification heating and refrigerating system comprises a host machine heating and refrigerating system, an extension set healthy air system and a circulating system, wherein the host machine heating and refrigerating system is connected with the extension set healthy air system through the circulating system; and the circulating system is provided with a pipeline which is filled with heat conduction fluid. According to the intelligent humidification heating and refrigerating system, heat is transferred through the heat conduction fluid and blown out through the extension set healthy air system, and heat is rapidly transferred to the indoor space, so that the temperature increasing and decreasing speed is quickened, the heating and refrigerating efficiency is improved, and the energy consumption is reduced; the blown airflow is neither too cold nor too hot, and people feel comfortable; the system is controlled by a central controller, so that intelligent management is realized; and the extension set healthy air system is provided with the humidification device, and the air humidity can be increased by the system based on the detected value, so that the comfort of bodies is improved.

The invention discloses a heating device for a hydraulic tray welding machine, which comprises two aluminium plates. A steel plate is sandwiched between the two aluminium plates; both front and reverse surfaces of the steel plate are respectively provided with a plurality of U-shaped grooves; and U-shaped heating strips in fit with the U-shaped grooves are arranged in the U-shaped grooves. According to the scheme adopted by the scheme, the U-shaped grooves and the U-shaped heating strips are arranged on both the front and reverse surfaces of the steel plate, so that the heating and temperature rising speed is high, the temperature rising process is stable, the heating and heat dissipating efficiency is high; meanwhile, due to the arrangement of the U-shaped grooves on the steel plate, when the U-shaped heating strips are damaged, the U-shaped heating strips are convenient to replace; and the steel plate is sandwiched between the two aluminium plates, so that the thermal conductivity is good and the U-shaped heating strips are also well covered by the aluminium plates, and therefore, the contact between the U-shaped heating strips and the air is reduced, the oxidability of the contact between the U-shaped heating strips and the air is reduced and the service life of the U-shaped heating strips is prolonged.

The invention discloses a fresh air conditioner and water heater all-in-one machine device. In order to solve the problems that a traditional air conditioner outdoor unit fan is large in noise, difficult to maintain, high in energy consumption and single in function, residual energy naturally generated in the refrigerating and heating processes of an air conditioner is completely used for interacting to completely replace a traditional fan for heat dissipation, firstly, heat energy generated by a condenser is collected in a hot water tank and an evaporation tank; and condensed water generatedby an evaporator is collected in a condensation tank, brand-new pneumatic and hydrodynamic devices are additionally arranged on the condensation tank, the evaporation tank and a hot water tank, and outdoor air is continuously fed into a room through the pneumatic devices after being subjected to high-temperature steam filtering, water filtering and water cooling. According to the fresh air conditioner and water heater all-in-one machine device provided by the invention, the problems of a traditional air conditioner are solved at a glance, great help is provided for preventing respiratory diseases, the air conditioner is a product capable of causing human resonance under the background of energy conservation, environmental protection and health concepts, and the air conditioner industry isredefined.

The multi-temperature-zone and multi-cooling-rate heat treatment device comprises a bearing seat, a first furnace body, a second furnace body and a third furnace body are arranged on the upper portion of the bearing seat, and a first cooling control unit and a first temperature regulator are arranged on the first furnace body; the first temperature regulator is located above the first cold control unit, the first cold control unit is electrically connected with the first temperature regulator, a second cold control unit and a second temperature regulator are arranged on the upper portion of the second furnace body, and the second cold control unit is electrically connected with the second temperature regulator. A third cold control unit and a third temperature regulator are arranged on the upper portion of the third furnace body, the third temperature regulator is electrically connected with the third cold control unit, a connecting unit is arranged on the upper portion of the first furnace body, the upper portion of the second furnace body and the upper portion of the third furnace body, and the connecting unit comprises a bearing body. The multi-temperature-zone and multi-cooling-rate heat treatment device is high in efficiency, is controlled by an electric appliance, can adjust the temperature in time, and is convenient to adjust.

The invention discloses an intelligent large-scale card insertion type optical module testing device, which comprises a bottom plate, an optical module body and a supporting plate, the top of the bottom plate is fixedly connected with a main testing box, one side of the main testing box is provided with a pressing block groove, the main testing box is internally provided with a multi-pin connector socket, the top of the bottom plate is slidably connected with a sliding plate, and the top of the bottom plate is fixedly connected with a vertical plate. The structure is simple, a testing upper cover can be lifted to a certain height through a pneumatic lifting mechanism, insertion of an optical module body is facilitated, meanwhile, the workload of testing personnel is relieved, through a heating assembly, the optical module body can be well subjected to a rapid heating and cooling test, meanwhile, the water cooling assembly is used for cooling, the heating and cooling efficiency is improved, rapid heating and cooling are achieved, and through cooperation of a servo motor and a fan, heat generated in the rapid heating and cooling process of the optical module is dissipated through the water cooling device in the shortest time.