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40results about How to "Lower cold junction temperature" patented technology

Seafloor hydrothermal vent temperature difference energy power generating device

InactiveCN104852634ALower cold junction temperatureIncrease the temperature difference between the hot and cold endsGenerators/motorsOcean bottomTemperature difference
The invention discloses a seafloor hydrothermal vent temperature difference energy power generating device. The seafloor hydrothermal vent temperature difference energy power generating device comprises a flow guide tube and a cavity; a top end cover and a flange end cover are fixed to two ends of the cavity respectively; the flow guide tube, the top end cover, the flange end cover and the cavity form a sealed cavity; a first temperature difference power generating sheet, a separation board and a second temperature difference power generating sheet are arranged in the sealed cavity; the hot ends of the first temperature difference power generating sheet and the second temperature difference power generating sheet are attached to the outer wall of the flow guide tube; the cold ends of the first temperature difference power generating sheet and the second temperature difference power generating sheet are attached to the inner wall of the cavity; the exterior of the cavity is provided with a plurality of ring ribs; and the lower end of the flow guide tube is provided with a flow guide tube flange and a trumpet-shaped flow separation hood. According to the seafloor hydrothermal vent temperature difference energy power generating device of the invention, a thermoelectric Seebeck effect is utilized, and the flow guide tube is adopted to guide hydrothermal fluid, and the temperature difference power generating sheets are adopted to convert heat energy into electric energy, and therefore, power generation can be realized. The seafloor hydrothermal vent temperature difference energy power generating device of the invention is simple and compact in structure; and the temperature difference of the two ends of each temperature difference power generating sheet is large, and therefore, the utilization rate of hydrothermal energy is high.
Owner:ZHEJIANG UNIV

Vapor plate reinforced server heat dissipation device and method based on thermoelectric refrigeration technology

The invention discloses a thermoelectric refrigeration technology-based high-efficiency cooling device and method of a soaking plate reinforcement server. The cooling device comprises a soaking platecold plate, a printed plate, an upper groove plate, a lower groove plate, a thermoelectric refrigeration sheet, an upper soaking heat sink, a lower soaking heat sink and an axial draught fan, whereinheat conduction bosses are arranged on the upper groove plate and the lower groove plate, the soaking plate cold plate is contacted with the heat conduction bosses of the upper groove plate and the lower groove plate by locking devices, the printed board is fixed on the soaking plate cold plate, heat of a heating component on the printed board is conducted to the bosses of the upper groove plate and the lower groove plate by the soaking plate cold plate, is conducted to the thermoelectric refrigeration sheet by the bosses of the upper groove plate and the lower groove plate and then is conducted to the upper soaking plate heat sink and the lower soaking plate heat sink by the thermoelectric refrigeration sheet, and heat of the heat sinks is taken away by pumping of the axial draught fan. Heat is dissipated by combining the soaking plate and thermoelectric refrigeration, a large amount of heat is dissipated, heat dissipate is stable, and moreover, damage to cooling equipment is reduced.
Owner:716TH RES INST OF CHINA SHIPBUILDING INDAL CORP

Cold accumulation type supercritical Brayton cycle power generation system and method

The invention discloses a cold accumulation type supercritical Brayton cycle power generation system and method. The system comprises a heat source, a supercritical Brayton cycle system, a cold accumulation system and a cooling system which sequentially communicate. According to the cold accumulation system and the adjusting method, the problem of heat dissipating of a thermal system under high temperature in the daytime in summer can be effectively solved; the temperature of the cold end of the system can be ensured; and the heat efficiency of the system can be ensured.
Owner:XIAN THERMAL POWER RES INST CO LTD

Phase-change coupling bionic fin type automobile exhaust waste heat step power generation system

The invention relates to a phase-change coupling bionic fin type automobile exhaust waste heat step power generation system. The system comprises an inner layer heat conduction structure, a middle semiconductor temperature difference power generation module and an outer layer fin radiator. The inner layer heat conduction structure is tightly attached to the outer wall of an exhaust pipe of an automobile, and the whole body of the inner layer heat conduction structure is in a hexagonal prism shape so as to supply a flat attachment point for the temperature difference power generation module; the heat conduction structure is filled with phase-change material fused salts so that the temperature of the outer wall of the heat conduction structure is uniform and constant and the heat in the automobile exhaust waste is accumulated. The middle semiconductor temperature difference power generation module employs a dual-layer design, the inner layer power generation module and the outer layer power generation module select different thermoelectric materials according to respective actual working temperature areas, and the optimal working temperature areas of the two power generation modulesare matched with the actual temperature areas of the two power generation modules so that the two layers of power generation modules work at the optimal temperature, and the cascade utilization of theautomobile exhaust waste heat is achieved. The outer layer fin radiator adopts a leaf-shaped bionic structure, and forced convection heat dissipation is performed by utilizing air flow generated whenan automobile runs. The automobile exhaust can be used for generating power, and the waste heat utilization of the exhaust is achieved.
Owner:XI AN JIAOTONG UNIV

Spontaneous heating electric heat dissipating device for electronic device and optimization method therefor

The invention relates to a spontaneous heating electric heat dissipating device for an electronic device and an optimization method therefor. The electric heat dissipating device comprises a heat pipe, a heat pipe evaporation end substrate, a heat pipe condensation end substrate and a fan, wherein the heat pipe is mounted between the heat pipe evaporation end substrate and the heat pipe condensation end substrate; heat dissipation fins are respectively mounted on the heat pipe evaporation end substrate and the heat pipe condensation end substrate, the heat dissipation fins on the heat pipe evaporation end substrate and the heat dissipation fins on the heat pipe condensation end substrate are arranged in a staggered manner, the heat pipe evaporation end substrate is connected with a thermoelectric power generation sheets that are connected with the electronic device via a heat extension block, refrigeration sheets are inlaid on the heat pipe condensation end substrate and are electrically connected with a control device, and the control device is electrically connected with the thermoelectric power generation sheets and the fan. Via use of the spontaneous heating electric heat dissipating device and the optimization method therefor, heat dissipation can be accelerated, temperature of cold sides of refrigeration sheets can be lowered, heat bridge phenomena can be effectively prevented via the refrigeration sheets, heat dissipating effects can be improved, and convenience of installation as well as marked dissipating effects are realized.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

System for lowering cold end temperature of thermoelectric device by using enhanced media nanofluid

ActiveCN105957956ACold junction temperature controlDoes not affect the loadThermoelectric device with peltier/seeback effectEngineeringNanofluid
The present invention relates to a system for lowering cold end temperature of a thermoelectric device by using an enhanced media nanofluid. The system includes an automobile exhaust channel, a plurality of thermoelectric systems installed around the automobile exhaust channel, and an independent heat dissipation apparatus matching the thermoelectric systems. A working medium in the heat dissipation apparatus is the nanofluid. An independent cold end heat exchanger does not affect a load of a cooling system of an automobile engine, and further can control the temperature of the cold end of the thermoelectric device effectively. Due to adoption of the nanofluid, heat dissipation of the cold end is effectively enhanced, the temperature of the cold end of the thermoelectric device is lowered, and the conversion efficiency of the thermoelectric device is improved effectively. A thermal interface material of high thermal conductivity is used between the automobile exhaust channel and the heat exchanger, thereby facilitating establishment of an effective heat conduction channel, and fully exerting the function of the heat exchanger.
Owner:SHANGHAI SECOND POLYTECHNIC UNIVERSITY

Thermal power system energy storage peak regulation system for recovering latent heat in flue gas and working method

The invention discloses a thermal power system energy storage peak regulation system for recovering latent heat in flue gas and a working method. The system comprises a flue, a flue gas cooler, a water pump, a water-carbon dioxide heat exchanger, a heat regenerator, a compressor, a motor, a carbon dioxide-particle / fused salt heat exchanger, a throttling valve, a cold tank, a pump and a hot tank. According to the thermal power system energy storage peak regulation system, by combining the advantages of low cold end temperature, high hot end temperature and high COP (coefficient of performance) of a carbon dioxide heat pump, firstly, low-grade waste heat in saturated wet flue gas is upgraded and recycled, and then the upgraded heat is stored through a large heat storage system and is efficiently and flexibly applied; the problem that a large amount of low-grade waste heat in saturated wet flue gas obtained after desulfurization of a thermal power generating unit is difficult to utilize can be effectively solved, and a large amount of water resources can be recycled while a large amount of low-grade waste heat in the flue gas is recycled; and in addition, the heat storage system can be used for auxiliary peak regulation of the unit according to the peak regulation requirement of the thermal power unit, and an electric boiler, a hot water storage tank and the like which are low in energy efficiency are replaced.
Owner:XIAN THERMAL POWER RES INST CO LTD

a thermoelectric fan

The invention discloses a heat electric fan which comprises a flow guiding outer shell with an opening at the upper end. The bottom of the flow guiding outer shell is fixedly provided with a mounting base. A motor which is used for driving a vane to rotate is arranged on the mounting base. A counter bore is formed in the lower end face of the flow guiding outer shell. A thermoelectricity module is arranged in the counter bore. A hot end heat transfer plate which presses the thermoelectricity module tight is arranged at the opening of the counter bore. When the heat electric fan is used in cooperation with a heating stove, by arranging the thermoelectricity module and adopting the thermoelectric conversion technology, heat of a heating furnace is used for electricity generation, accordingly, the fan operates, upper-lower-layer cold-hot air in a camping tent in a heating state is subject to full convective mixing, accordingly, the air temperature gradient in the tent is lowered, the living comfort degree during heating of the tent is improved, the problem of insufficient effective heat is solved, and important effect on improving outdoor camping heating guaranteeing capacity in winter is achieved.
Owner:中国人民解放军32181部队

Multi-source self-powered wireless temperature measuring system and multi-source self-powered wireless temperature measuring method

The invention provides a multi-source self-powered wireless temperature measuring system and a multi-source self-powered wireless temperature measuring method, and belongs to the technical field of automatic temperature measurement. A temperature measuring probe of the system is placed at a position of which the temperature needs to be measured and is fixed by a fixing seat; the multi-source self-powered wireless temperature measuring system can work in various severe working conditions and in narrow space; a power supply of the system acquires electric energy according to a thermoelectricity effect / a photoelectricity effect; the electric energy is supplied to a signal processor and a wireless transmitting device; stability of the signal processor and stability of the wireless transmitting device are kept; remaining electric energy is stored in a storage battery; after the storage battery is full, the remaining electric energy is used for powering a cooling system of a cold end; the multi-source self-powered wireless temperature measuring system can work by using thermoelectricity, solar energy and wind energy independently and can also work by using the thermoelectricity and the solar energy simultaneously; light and heat of a field can be used well; and the efficiency is improved. Moreover, because the temperature of a root of a fan is high and the temperature of a tip of the fan is low, natural convection of air in the region is implemented so as to push a rotor to rotate; after the temperature is increased, electricity is increased; and after the battery is full, the remaining electricity can be used for driving the fan to rotate at high speed, heat dissipation speed is increased, the temperature of the cold end is guaranteed, and the precision is high.
Owner:NORTHEASTERN UNIV

Tungsten rhenium thin-film temperature sensor cold-end compensating structure based on micro channel

The invention discloses a tungsten rhenium thin-film temperature sensor cold-end compensating structure based on a micro channel. The structure comprises a thermocouple and a cold-end temperature compensation module. The thermocouple comprises a substrate provided with a thermocouple cold-end micro channel configured in probe-fin micro channel structure. The cold-end temperature compensation module includes a compensation wire, a first amplifier, a second amplifier, a cold-end temperature sensor, a microcontroller and a display module. The microcontroller comprehensively processes the voltage from the thermocouple and the voltage input by the cold-end temperature sensor, converts the voltage into a temperature signal, and displays the measured temperature in real time on the display module. The micro channel is applied to the cold-end position of the thermocouple substrate and is combined with the cold-end temperature compensation module so as to solve the high-temperature failure of the connection between the compensation wire and the tungsten rhenium thin-film thermocouple, to compensate the cold-end temperature of the thermocouple, to improve the accuracy and reliability of the measured temperature signal, and to achieve accurate and reliable high temperature measurement.
Owner:XI AN JIAOTONG UNIV

Stirring and condensing device for preparing acrylic ester and silicon-acrylic compound emulsion

The invention discloses a stirring and condensing device for preparing acrylic ester and silicon-acrylic compound emulsion. The stirring and condensing device comprises a rectangular outer box, a rectangular inner box, a stirring component, a condensing component, a throttling component, an electric heating tube, a separating plate and a liquid outlet pipe. The rectangular outer box is sheathed atthe outer side of the rectangular inner box. The rectangular inner box is provided with the stirring component. One side of the rectangular outer box is provided with the condensing component. The stirring component comprises a servo motor, a filtering plate, a rotating shaft a, a stirring rod, a first straight gear, a second straight gear, a third straight gear, an extruding wheel a, an extruding wheel b, a rotating shaft b and a rotating shaft c. The stirring and condensing device is beneficial to improve a dissolution rate of a material, and realizes more adequate contact between the materials;is beneficial to continuous condensing work, and capable of preventing gasifying solution because of an excessively high heating temperature, and transmitting heat through cooling liquid, enabling the condensing effect to be more uniform; and beneficial to reduce a flow rate of refrigerant fluid, and capable of enabling time of the refrigerant fluid remained in a spiral pipe to be longer, andimproving the refrigeration effect.
Owner:彭骁

Liquid metal composite oscillation heat pipe type thermal temperature difference power generation and refrigeration radiator

The invention discloses a liquid metal composite oscillation heat pipe type thermal temperature difference power generation and refrigeration radiator. A liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference power generation and refrigeration radiator or a liquid metal composite snake-shaped loop oscillation heat pipe type thermal temperature differencepower generation and refrigeration radiator is adopted. The liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference power generation and refrigeration radiator comprises a liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference generator, a liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference refrigerator, an O-shaped parallel oscillation heat pipe, a working medium, an intelligent controller, a storage battery and a circuit, wherein the liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference generator and the liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference refrigerator are respectively connected with the O-shaped parallel oscillation heat pipe, and the liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference generator and the liquid metal composite O-shaped parallel oscillation heat pipe type thermal temperature difference refrigerator are respectively connected with the storage battery through the circuit.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Temperature difference power generation device of bus air exhaust pipe

Provided is a temperature difference power generation device of a bus air exhaust pipe. A cooling water loop consists of a cooling pipeline and a heat absorbing copper pipe. Two water pumps are installed in the cooling water loop. An arc-shaped groove for absorbing residual heat of an automobile exhaust gas pipe is used as a hot end. A metal plate for absorbing cold quantity of the cooling loop is used as a cold end. A temperature difference power generation sheet is pressed between the hot end and the cold end. The heat absorbing cooper pipe is arranged on the base face of the metal plate. Impeller shafts of the water pumps stretch out of pump bodies and are installed on a driving box body. A double-faced gear for receiving automobile vibration energy is engaged to left gears and right gears. The left gears are installed on a fixed shaft through a bearing. One of the right gears is installed on the impeller shaft of one of the water pumps through a one-way bearing. The other right gear is installed on the impeller shaft of the other water pump through another one-way gear. The driving directions of the one-way bearings are opposite. According to the invention, the automobile vibration energy is used for providing driving force for impellers of the water pumps; the residual heat of automobile exhaust gas is converted into electric energy; and the power generation device is characterized in that the power generation device is high in utilization rate, free from pollution and commonly suitable for all automobiles.
Owner:SOUTHWEST JIAOTONG UNIV

Cooking utensil, cooking method and computer readable storage medium

The invention provides a cooking utensil, a cooking method and a computer readable storage medium, wherein the cooking utensil comprises a refrigeration assembly arranged on the lower bottom wall of an upper cover, the refrigeration assembly comprises a semiconductor refrigeration element, a cold end face of the semiconductor refrigeration element faces the interior of an inner pot, a hot end of the semiconductor refrigeration element is detachably assembled inside the upper cover, and the semiconductor refrigeration element is used for cooling the interior of the inner pot. According to the technical scheme, the freshness, the food sanitation and the taste during eating of cooked food materials can be improved, and the cooking experience of users is comprehensively improved.
Owner:FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD

Fluorescent tube sets and high-power fluorescent lamps with high light output in high-temperature environments

The invention belongs to the field of lighting, and specifically relates to a fluorescent lamp group with high light output in a high-temperature environment, which includes a discharge tube, and the discharge tube is formed by connecting at least three fluorescent lamp tubes. One end of the body is provided with an electrode, and at least one fluorescent tube is provided with a mercury insert for placing amalgam, and the discharge tube is filled with a mixed inert gas, wherein the amalgam is placed in at least one of the mercury tubes. In the intubation tube, the amalgam is placed outside the fluorescent tube monomer, and the distance between the bottom end of the amalgam and the sealing end surface of the fluorescent tube monomer is -5 mm to 20 mm; the mixed inert gas composition includes neon or helium and argon , Krypton gas at least one, the inflation pressure is 2-5 Torr. The fluorescent tube set provided by the invention and the fluorescent lamp produced by the tube set have the characteristic of high light output even in high temperature environment.
Owner:毛有强

Cylindrical heat source thermoelectric generation device

InactiveCN106602932ASolve the problem of not being able to fit effectivelyReduce conductionGenerators/motorsOne-hotEnergy recovery
The invention discloses a cylindrical heat source thermoelectric generation device in the field of energy recovery technology. The device comprises a plurality of P-type semiconductors, a plurality of N-type semiconductors, a plurality of hot-end conductive plates and a plurality of cold-end conductive plates. One P-type semiconductor, one hot-end conductive plate, an N-type semiconductor and a cold-end conductive plate are serially connected in an end-to-end manner, thereby forming a PN junction. All PN junctions are connected in an end-to-end manner, thereby forming a semiconductor chain. The semiconductor chain is arranged in a repeated manner along the axial direction of the external wall of the cylindrical heat source. All hot-end conductive plates are fixedly connected with the external wall of the heat source. All cold-end conductive plates are connected with the inner surface of a heat radiator. The external wall of the heat source is directly used as the heat-end substrate of a thermoelectric generation module. When the heat source operates and radiates heat to outside, because the heat end of the thermoelectric generation module is the outer wall and no superfluous heat conduction process exists, relatively high hot-end temperature and relatively high temperature increase speed are obtained, thereby improving heat conduction efficiency and realizing higher thermoelectric generation efficiency.
Owner:JIANGSU UNIV

Hasp type self-supplying electric controlling temperature adjusting system of heating system

The invention discloses a hasp type self-supplying electric controlling temperature adjusting system of a heating system. The self-supplying electric controlling temperature adjusting system comprisesa fixing belt, a hasp, a control module, a temperature difference power generation module, a temperature detection module, a power supplying module and a wireless transmission module, wherein the temperature difference power generation module, the temperature detection module, the power supplying module and the wireless transmission module are controlled by the control module; the hasp comprisestwo parts which are respectively connected to the two ends of the fixing belt and are used for fixing the fixing belt on a heating pipeline; the temperature difference power generation module is arranged on the fixing belt, and the hot end of the temperature difference power generation module is in contact with the heating pipeline through the fixing belt; the control module controls the temperature difference power generation module to work in a set power range; the control module is used for carrying out voltage stabilization processing on electric energy of the temperature difference powergeneration module and then transmitting the electric energy to the power supplying module, the power supplying module is used for supplying power to the temperature detection module and the wireless transmission module; the temperature detection module is used for detecting the room temperature, and sends the detected room temperature to the control module; when the detected room temperature exceeds the set temperature, the control module activates the wireless transmission module, a temperature adjusting signal is sent to an external heating system and the water supply amount of the heating system is adjusted, so that the room temperature is kept within the set temperature range.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

A regenerative vehicle exhaust gas thermoelectric power generation device based on heat pipe-phase change material

The invention provides a heat storage type automobile exhaust gas thermoelectric power generation device based on a heat pipe-phase change material, which belongs to the technical field of automobile exhaust waste heat recovery. The thermoelectric power generation device includes a heat collector and a phase change energy storage device, a heat pipe is arranged between the heat collector and the phase change energy storage device, and the shell of the phase change energy storage device is filled with phase change material LiNO 3 ‑NaCl; the heat from the exhaust gas of the vehicle is transferred to the hot end of the thermoelectric power generation sheet through the collector and the heat pipe. The cold end of the thermoelectric power generation sheet is cooled by the cooling water controlled by the water pump. The voltage controller stores it in the battery pack. The present invention enhances heat exchange through heat pipes, which can effectively improve the performance of the thermoelectric power generation device; stores energy through the phase change energy storage device, prolongs the power generation time of the thermoelectric power generation device, effectively avoids fatigue damage of the thermoelectric power generation device, and prolongs its service life.
Owner:JIANGSU UNIV

Thermoelectric conversion system and monitoring method for maintaining engine heat and back pressure balance

The invention discloses a thermoelectric conversion system capable of keeping engine heat and backpressure balanced and a monitoring method. Cooling fin pipelines are fully used for precooling of cooling water, and secondary cooling of the cooling water is conducted after heat exchange of thermoelectric device sets. On the one hand, the temperature of the cold end of a heat exchanger can be decreased to a great extent, and on the other hand, the thermal balance of an original cooling system is kept. In addition, a self-operated upstream pressure regulating valve and auxiliary equipment thereof are adopted for controlling the tail gas backpressure of an outlet of an engine exhaust manifold to be consistent with a pressure value when the heat exchanger is not connected as much as possible, so that the backpressure balance of an engine is achieved while tail gas waste heat is recovered for electricity generation. According to the thermoelectric conversion system, the power consumption of an auxiliary system is not increased, and the tail gas waste heat can be efficiently recovered for electricity generation on the premise that the thermal balance and the backpressure balance of the engine are kept so that the thermoelectric conversion system can be widely applied to occasions of traditional fuel engine tail gas thermoelectric conversion recycling, is clean, efficient and free of pollution and has good energy-saving and emission-reducing prospects.
Owner:HUBEI UNIV OF TECH

Self-cleaning solar thermo-acoustic refrigeration device for desert areas

The invention discloses a self-cleaning solar thermo-acoustic refrigeration device for desert areas. The self-cleaning solar thermo-acoustic refrigeration device comprises a second glass tube, wherein the top of the second glass tube is connected to a resonant tube, a second thermo-acoustic stack is arranged in the top of the second glass tube, and a first thermo-acoustic stack is arranged on the top of the resonant tube and is arranged in a first glass tube with the top sealed; a solar condensation device is fixed outside the second glass tube so that the lower part of the second thermo-acoustic stack can be located on the focal point of the solar condensation device, and a hot water exchange tube is arranged outside the top of the second glass tube. The self-cleaning solar thermo-acoustic refrigeration device has the beneficial effects that a concave mirror serves as a solar concentration device and can collect circulation refrigeration water, the water can be used for plant drip irrigation and daily life, and therefore the water resource can be saved; the whole device is divided into a plurality of sections by the two thermo-acoustic stacks, the thermo-acoustic stacks make contact with the exterior, fluid can directly flow through the interiors of the thermo-acoustic stacks and reinforce heat exchange, and therefore the cold side can realize better thermo-acoustic effect, the utilization rate of the cold energy can be increased, and the energy can be saved.
Owner:王紫璇

A system for reducing the cold junction temperature of thermoelectric devices using enhanced dielectric nanofluids

ActiveCN105957956BCold junction temperature controlDoes not affect the loadThermoelectric device with peltier/seeback effectJunction temperatureEngineering
The invention relates to a system for reducing the temperature of the cold end of a thermoelectric device by using a reinforced medium nanofluid, including: an automobile exhaust channel, several sets of thermoelectric systems installed around the automobile exhaust channel, and an independent cooling device matched with the thermoelectric system. The working medium adopts nanofluid as the working medium. The independent cold end heat exchanger designed by the invention not only does not affect the load of the cooling system of the automobile engine, but also can effectively control the temperature of the cold end of the thermoelectric device. The nanofluid adopted by the invention can effectively enhance the heat dissipation of the cold end, reduce the temperature of the cold end of the thermoelectric device, and effectively improve the conversion efficiency of the thermoelectric device. In the present invention, the thermal interface material with high thermal conductivity is used between the exhaust gas channel of the automobile and the heat exchanger, which is conducive to establishing an effective heat conduction channel and fully exerting the function of the heat exchanger.
Owner:SHANGHAI SECOND POLYTECHNIC UNIVERSITY

Plastic steel heat insulation fireproof window and production process thereof

The invention relates to a plastic steel heat insulation fireproof window and a production technology thereof. The plastic steel heat insulation fireproof window comprises a window frame and fireproof glass, and further comprises clamping blocks arranged in the window frame and located on the two sides of the fireproof glass and sealing gaskets located between the clamping blocks and the fireproof glass, rubber waved plates matched with each other are arranged on the opposite side walls of the window frame and the fireproof glass in an adhesive mode, a cavity used for containing the clamping blocks is formed in the frame wall of the window frame, an opening is formed in the side wall of the window frame, a driving mechanism used for driving the clamping block to penetrate through the opening and stretch out of the frame wall of the window frame is arranged in the cavity, an abutting mechanism used for driving the sealing gasket to abut against the side wall of the fireproof glass is arranged on the side wall of the clamping block, heat dissipation cavities are formed in the clamping blocks, and heat dissipation mechanisms for cooling the sealing gaskets is arranged in the heat dissipation cavities. The plastic steel heat insulation fireproof window has the effect of cooling the sealing gaskets, the probability of deformation of the sealing gaskets in the high-temperature state is reduced, and the heat insulation effect of the window frame is improved.
Owner:江苏铭越消防科技有限公司

A piston thermoelectric power generation device based on temperature feedback control

InactiveCN106877744BSolve power problemsAvoid problems with introducing power linesInternal combustion piston enginesPistonsSolenoid valveEngineering
The present invention discloses a piston thermoelectric power generation device based on temperature feedback control. Thermoelectric power generation is carried out by using residual heat on the inner top surface of a piston. The piston thermoelectric power generation device based on temperature feedback control mainly comprises a thermoelectric module, an integrated voltage stabilizing circuit, a super capacitor energy storage device, a step-up step-down DC / DC circuit, a load, a cooling device, a solenoid valve, a piston pin, a connecting rod, a first thermocouple, a second thermocouple and a micro control unit MCU. A hot end of the thermoelectric module fits with the inner top surface of the piston, and a cold end of the thermoelectric module fits with the upper surface of an oil chamber of the cooling device. Machine oil is used to forcibly cool the cold end of the thermoelectric module. The invention solves the power supply problem for the narrow inside space of the piston, and provides electric energy support for piston optimization design. In the invention, the machine oil is used to cool the cold end of the thermoelectric module, thereby reducing the temperature of the cold end of the thermoelectric module and increasing the generated power. The oil is supplied in a circular manner for the purpose of cooling only when the temperature difference between both ends of the thermoelectric module is below the limit, thereby reducing the load of a machine oil pump. The present invention has no effect on normal operation of an internal combustion engine.
Owner:JILIN UNIV

Phase change coupling bionic fin type automobile exhaust waste heat cascade power generation system

The invention relates to a phase-change coupling bionic fin type automobile exhaust waste heat step power generation system. The system comprises an inner layer heat conduction structure, a middle semiconductor temperature difference power generation module and an outer layer fin radiator. The inner layer heat conduction structure is tightly attached to the outer wall of an exhaust pipe of an automobile, and the whole body of the inner layer heat conduction structure is in a hexagonal prism shape so as to supply a flat attachment point for the temperature difference power generation module; the heat conduction structure is filled with phase-change material fused salts so that the temperature of the outer wall of the heat conduction structure is uniform and constant and the heat in the automobile exhaust waste is accumulated. The middle semiconductor temperature difference power generation module employs a dual-layer design, the inner layer power generation module and the outer layer power generation module select different thermoelectric materials according to respective actual working temperature areas, and the optimal working temperature areas of the two power generation modulesare matched with the actual temperature areas of the two power generation modules so that the two layers of power generation modules work at the optimal temperature, and the cascade utilization of theautomobile exhaust waste heat is achieved. The outer layer fin radiator adopts a leaf-shaped bionic structure, and forced convection heat dissipation is performed by utilizing air flow generated whenan automobile runs. The automobile exhaust can be used for generating power, and the waste heat utilization of the exhaust is achieved.
Owner:XI AN JIAOTONG UNIV

A system that utilizes the temperature difference of automobile exhaust to generate electricity to improve the conversion efficiency of scr

The invention discloses a system for improving the conversion efficiency of SCR by utilizing the temperature difference of automobile exhaust to generate electricity, which comprises an automobile exhaust temperature difference power generation device and an exhaust heating device. Pipeline, cooling water tank, and exhaust heating device include resistance wire mesh, battery, temperature sensor, and ECU; this system uses low-grade automobile exhaust as the heat source, uses circulating water to cool the cold end of the thermoelectric power generation sheet, and uses a voltage stabilizing circuit for cooling. The voltage is stabilized, and the resistance wire mesh is powered by the battery and heats the exhaust to increase the intake temperature of the SCR system. The invention is aimed at low-temperature exhaust working conditions and low-temperature environments, increases the exhaust temperature, promotes urea hydrolysis, improves the conversion efficiency of the SCR system in low-temperature working conditions, and reduces the emission of harmful gases from automobiles.
Owner:JIANGSU UNIV

A portable waste heat thermoelectric power generation device

The invention provides a portable waste heat temperature differential power generation device which comprises an outer shell and a temperature differential power generation system. The outer shell comprises a shell body bottom plate and a shell body. The shell body is fixed with the shell body bottom plate through connecting pieces. The temperature differential power generation system comprises a heat insulation bottom plate, a cooling radiator, a temperature differential power generation chip and an energy storage heat exchanger. The cooling radiator and the energy storage heat exchanger are arranged on the heat insulation bottom plate. The temperature differential power generation chip is embedded in a boss arranged on the energy storage heat exchanger. The cooling radiator, the energy storage heat exchanger, the temperature differential power generation chip and the heat insulation bottom plate are fixed together through a compaction assembly. Sealing covers are respectively arranged on the cooling radiator and the energy storage heat exchanger. A thermal storage working medium used as a heat source of the temperature differential power generation chip is arranged in the storage energy heat exchanger. The energy storage heat exchanger transfers heat to a hot end of the temperature differential power generation chip, and the cooling radiator is arranged at a cold end of the temperature differential power generation chip. The portable waste heat temperature differential power generation device is free from noise, small in size, light in weight, low in maintenance cost in a later stage, and capable of using low-grade waste heat to generate electricity.
Owner:广州普凯热伏微能源科技有限公司

Plastic-steel heat-insulating fireproof window and its production process

This application relates to a plastic-steel heat-insulated fireproof window and its production process, which includes a window frame and fireproof glass, and also includes clamping blocks arranged in the window frame on both sides of the fireproof glass and between the clamping block and the fireproof glass The sealing gasket, the opposite side walls of the window frame and the fireproof glass are glued with rubber wave plates that cooperate with each other, the inside of the frame wall of the window frame is provided with a cavity for accommodating the clamping block, and the side wall of the window frame is provided with There is an opening, and the cavity is provided with a driving mechanism for driving the clamping block through the opening and extending out of the window frame wall, and the side wall of the clamping block is provided with a pressing force for driving the sealing gasket against the side wall of the fireproof glass There is a heat dissipation cavity in the clamping block, and a heat dissipation mechanism for cooling the sealing gasket is arranged in the heat dissipation cavity. The application has the effect of cooling the gasket, reduces the probability of deformation of the gasket in a high temperature state, and improves the heat insulation effect of the window frame.
Owner:江苏铭越消防科技有限公司

Quick-start cover-type energy-saving fluorescent lamp

InactiveCN102522314ALight effect is not affectedSolve the disadvantage of slow climbGas discharge lamp detailsEngineeringLight head
The invention discloses a quick-start cover-type energy-saving fluorescent lamp. The lamp comprises: a lamp holder assembly, a tube and a glass shell. The lamp is characterized in that: a protuberant cold end is arranged on a front end of the tube; the cold end contacts with the glass shell; a heat insulation glue is arranged around the outside of the cold end; a mercury vapor source is arranged in the cold end. The protuberant cold end is artificially arranged on the front end of the tube so that the cold end contacts with the glass shell. Although the tube works in a high temperature environment, the low temperature mercury vapor source can be used and luminous efficiency of the fluorescent lamp can not be influenced. A disadvantage of slow start of the cover-type energy-saving fluorescent lamp can be overcome fundamentally so that the cover-type energy-saving fluorescent lamp can be lightened quickly.
Owner:ZHEJIANG YANKON GROUP
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