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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.