41results about How to "Sensitive temperature control" patented technology

The invention provides a stepless temperature control system. The stepless temperature control system comprises a circulating pump, a thermal state heat exchanger, a heating medium delivering tube, a cold state heat exchanger, a refrigerant delivering tube, a proportioning valve, an oil supply main tube, an oil return main tube and a temperature controlling device. The thermal state heat exchanger comprises a heating medium inlet, a heating medium outlet, a heat-transfer medium first inlet and a heat-transfer medium first outlet, and the heat-transfer medium first inlet is connected with the circulating pump. The cold state heat exchanger comprises a refrigerant inlet, a refrigerant outlet, a heat-transfer medium second inlet and a heat-transfer medium second outlet, and the heat-transfer medium second inlet is connected with the circulating pump. Two inlet ends of the proportioning valve are connected with the heat-transfer medium first outlet and the heat-transfer medium second outlet respectively, and an outlet end of the proportioning valve is connected with one end of the oil supply main tube. The other end of the oil supply main tube is connected with an inlet of a temperature controlled device. The oil return main tube is connected with an outlet of the temperature controlled device and the circulating pump. The temperature controlling device controls the valve opening degree of the proportioning valve according to the temperature of the temperature controlled device.

The invention provides a floor heating thermostatic valve, which belongs to the technical field of engineering components, and solves the problem that the set temperature value cannot be adjusted along with the temperature increasing of water at a water inlet in the conventional thermostat valve. The floor heating thermostatic valve comprises a valve body with a sealing part; the inner cavity of the valve body is divided into a water inlet cavity and a water outlet cavity; a thermal bulb and a valve plug are arranged in the valve body; a thermal bulb body is positioned in the water inlet cavity; the thermal bulb is connected with the valve plug, when water temperature in the water inlet cavity is increased, the thermal bulb can drive the valve plug to move close to the sealing part; an elastic piece which ensures that an ejector rod of the thermal bulb can be contracted into the thermal bulb body when the water temperature in the water inlet cavity is reduced is arranged between the thermal bulb and the valve body; and an adjustment mechanism for adjusting the length of the ejector rod penetrating through the body is arranged between the side wall of the water outlet cavity of thevalve body and the thermal bulb. The floor heating thermostatic valve has the advantages of high running safety performance, wider application range and accurate adjustment, can control the temperature accurately and sensitively, and is convenient to use.

The invention belongs to the field of chemical separation and provides a system and method for gathering trace heavy-nucleus hydrogen isotopes in hydrogen isotopes by hydrogen replacement adsorption.Firstly, a separation column is adopted for adsorbing pure protium until a saturated state is achieved; secondly, raw material gas is fed into the separation column to realize replacement adsorption;thirdly, desorption is performed by means of gas heating, so that separation of the trace heavy-nucleus hydrogen isotopes is realized. The method and the system have advantages that multistage separation columns and sectional heating are avoided, and short single-time separation time, desorption thoroughness, excellent gathering effects, high recovery rate and low cost are realized.

The invention provides a container, a temperature control mechanism as well as 3D printing equipment and method. The temperature control mechanism of the container applied to the 3D printing equipmentcomprises a temperature control cavity attached to the bottom of the container and used for circulating a temperature control liquid, the temperature control liquid is subjected to heat-source heating treatment or cold-source refrigeration treatment, the temperature control cavity is provided with a liquid inlet and a liquid outlet, the temperature control cavity comprises a main cavity and an auxiliary cavity, the main cavity is attached to a radiation area at the bottom of the container and used for controlling temperature of the radiation area, the auxiliary cavity is adjacent to or away from the main cavity and used for collecting bubbles in the temperature control cavity, and the liquid level of the temperature control liquid in the auxiliary cavity is higher than that of the temperature control liquid in the main cavity. By real-time monitoring of the temperature of the bottom of the container, the temperature of the bottom of the container is always kept at a preset suitable temperature interval in a printing process, and the effects of temperature on the printing quality can be reduced.

The invention discloses a 5G energy-saving optimized crystallization furnace and relates to a 5G energy-saving and optimized die-casting microstructure which is characterized in that a novel die-casting holding furnace is designed and manufactured by combining a practical structure on the basis of research and development of a non-sticky aluminum lining furnace material and a special soft heat-insulating casting material, a microstructure technology for optimizing die-casting crystals by an electric pulse is introduced into the novel holding furnace, the possibility of casting a single crystal or microcrystal microstructure in an existing die-casting machine is explored; and a smelting furnace, a transfer tank, a standing furnace, a casting ladle and a die-casting holding furnace of a 5G newest cellular mobile communication Internet-of-things die-casting system are applied to intelligently adjust and control temperatures of all links to be stable, a temperature fluctuation range is narrowed, the quantity of molten aluminum is allocated, heat energy carried by the molten aluminum is shared along with digital flowing, the molten aluminum with the accurate temperature is supplied to flow, the temperature of the molten aluminum is reduced to the maximum, and an existing die-casting machine is supported to popularize electric pulse die-casting to manufacture a single crystal or microcrystal microstructure technology upgraded finished product.

The invention discloses a refrigeration module with high safety performance. The refrigeration module comprises a refrigeration module main body and a fuzzy PID controller, the refrigeration module main body comprises a refrigeration mother module and a refrigeration sub-module, the refrigeration mother module and the refrigeration sub-module are in through connection, the fuzzy PID controller is installed on the end face of the refrigeration sub-module, a touch screen is electrically arranged on the fuzzy PID controller, an alarm is electrically arranged below the touch screen, a semiconductor refrigeration structure is arranged in the refrigeration sub-module, an air blowing structure is arranged at the top of the refrigeration sub-module in a penetrating mode, and a condensate water outlet is formed in one corner of the lower end of the refrigeration sub-module. The refrigeration module is simple in design, and a control rule can be flexibly modified, so that the refrigeration module is more convenient and feasible, can completely meet the process requirements, is safe and efficient in control and high in practicability, has the advantages of low production cost, sensitive temperature control, obvious cooling effect and the like, saves energy, is green and environmentally friendly, and is suitable for popularization.

The invention relates to an optimized crystallization heat preservation furnace, and relates to heat preservation and optimized casting microstructure. The optimized crystallization heat preservationfurnace is characterized in that a soft heat preservation pouring material and a hollow ball are used as a main body heat preservation furnace wall, a zirconium armor brick is anchored on the inner wall of the main body heat preservation furnace wall to be used as a non-stick aluminum lining layer, and the zirconium armor brick belongs to a permanent ultra-long service life die-casting furnace lining material. Therefore, the novel heat preservation furnace not only possesses better heat preservation performance, but also possesses an extraordinary service life, and is a heat preservation furnace which is not sticky to aluminum. On the basis of the advantages of being good in heat preservation, long in service life and non-sticky to aluminum, the optimized crystallization heat preservationfurnace is additionally provided with the molten aluminum self-resistance thermode, electric energy is converted into heat energy through the self-resistivity of molten aluminum, and therefore, the energy utilization efficiency is high, and the structure of the furnace body is very simple; the resistance thermode is also an electric pulse throwing electronic device, thrown electrons are beneficialto manufacturing a casting body with a finer microstructure through pressure casting, and therefore, the surface quality pass percent of a casting hub can be increased, and the mechanical performancecan be obviously improved.

The invention relates to the field of a heat insulation cabinet, in particular to a heat insulation cabinet and a temperature detection method thereof. The heat insulation cabinet comprises a cabinetbody, wherein a plurality of heat insulation lattices are arranged in the cabinet body; a fan is also arranged on the cabinet body; an air guide pipe and an air return pipe are connected between the heat insulation lattices and the fan; a heating device is connected between the air guide pipe and the fan; a controller and a temperature sensor arranged in the air return pipe are also arranged in the cabinet body; a temperature value is preset in the controller; and the controller is used for sending starting signals or stopping signals to the heating device. The airflow temperature in the air return pipe is used as a signal for controlling the on-off state of the heating device; the airflow temperature in the air return pipe needs to be lower than the temperature in the heat insulation lattices; the temperature in the air guide pipe is higher than the temperature of the heat insulation lattices; when the airflow temperature in the air return pipe reaches the preset stopping temperature,and after the heating device is turned off, the fan can continuously blow hot air in the air guide pipe into the heat insulation lattices; and the temperature of the heat insulation lattices far awayfrom the fan is prevented from being lower than the set temperature.