87results about How to "Small temperature fluctuations" patented technology

The utility model provides high-precision semiconductor heat treatment equipment, which relates to the technical field of semiconductor processing and comprises a processing cabinet, a connecting groove is arranged at one end of the front surface of the processing cabinet, a heating groove is arranged on one side in the connecting groove, a sealing cover is movably mounted in the connecting groove, and the sealing cover is mounted at one end in the heating groove in a clamping manner. And a placing groove is formed in the heating groove. Mixed gas is subjected to heat exchange through the through holes in the guide rod, primary preheating or temperature adjustment of the gas is achieved, low-temperature gas is prevented from directly entering the heating groove to impact an original temperature field, temperature fluctuation is reduced, then the gas subjected to heat exchange is evenly introduced into the heating groove through the flow dividing groove and the spray head, and the heating effect is improved. And in cooperation with stable temperature control of the heater, a more accurate and stable temperature environment can be constructed, the strict requirement of high-precision semiconductor heat treatment for temperature control precision is met, and the controllability and reliability of the machining process are improved.

The invention relates to novel liquid body temperature circulation temperature control equipment, and belongs to the technical field of medical temperature control equipment. The device comprises an equipment base, a temperature control host, a stand column, a T-shaped installation frame, a pipeline assembly, a temperature control assembly and a temperature sensing assembly, the stand column is fixedly installed above the equipment base, the temperature control host is installed on one side of the stand column, the T-shaped installation frame is fixedly installed above the stand column, a lifting hook is installed below the T-shaped installation frame, and the pipeline assembly is installed above the lifting hook. The temperature control assembly is fixedly installed on one side of the temperature control host, and the temperature sensing assembly is installed on one side of the lower portion of the temperature control host. The temperature control equipment monitors the pipeline output temperature and the core body temperature of a patient in real time through the temperature sensing assembly, the temperature control host adjusts the temperature control power in a closed-loop feedback mode based on monitoring data, accurate, rapid and stable temperature control is achieved, the equipment is suitable for various clinical scenes needing mild hypothermia intervention such as thermoplegia and the syndrome after cardiac arrest, treatment safety and effectiveness are improved, and the treatment cost is reduced. And the workload of medical staff is reduced.

An integrated architecture system for dual-indirect heat pump thermal management in pure electric vehicles based on R290. Currently, most pure electric vehicles have low integration levels in their thermal management systems. Typically, the battery pack circuit and air conditioning circuit are connected in parallel through a heat exchanger, while the motor and electronic control cooling circuit is an independent circuit. This results in too many system components, occupying a large amount of engine compartment space, and lacking a standardized and precise processing structure. In this invention, one end of the radiator is connected to the second refrigeration device, and a first valve body is provided between the radiator and the second four-way valve. The other end of the radiator is a double-ended connection end, which is sequentially connected to one end of the second refrigeration device through the fourth inlet / outlet and the second inlet / outlet of the second four-way valve. A third valve body is provided between the double-ended connection end of the radiator and the second four-way valve. The other end of the second refrigeration device is connected to the first inlet / outlet of the second four-way valve. The double-ended connection end of the radiator is sequentially connected to the fourth inlet / outlet of the second four-way valve through a drive motor, an electronic control unit, and a second water pump.

The invention relates to the technical field of mineral separation, and provides a method for graded heating of flotation reagent preparation water based on cooling waste heat of a strong magnetic separator, which comprises the following steps: introducing normal-temperature water into the strong magnetic separator for cooling and heat exchange to obtain cooling hot water with increased temperature; one part of the cooling hot water is divided into a first water flow and a second water flow; the first path of water flow enters an air energy heat pump to be heated for the first time, and first-temperature hot water is obtained; the first-temperature water flow enters the water source heat pump to be heated for the second time, the second-path water flow enters the heat source side of the water source heat pump to serve as a heat source for heating for the second time, and second-temperature hot water higher than the first-temperature hot water is obtained; and supplying the hot water at the second temperature to a primary preparation process of the flotation reagent, and supplying the hot water at the first temperature to a secondary preparation process of the flotation reagent. Efficient recovery and gradient utilization of the cooling waste heat of the strong magnetic separator are achieved, two kinds of stable hot water at different temperatures can be synchronously produced, and the preparation procedure of the flotation reagent is precisely connected in a butt joint mode.

The utility model discloses a constant-temperature air outlet dehumidification heat pump system which comprises a compressor, a condenser and an evaporator which are connected to form a refrigerant circulation loop and further comprises a first flow distribution adjusting device, a heat using device and a control device. The heat utilization device and the condenser are arranged between the compressor and the evaporator in parallel; the inlet end of the first flow distribution adjusting device is connected with the outlet end of the compressor through a pipeline, the first outlet end of the first flow distribution adjusting device is connected with the condenser through a pipeline, and the second outlet end of the first flow distribution adjusting device is connected to the heat using device through a pipeline. The control device is connected with the first flow distributing and adjusting device and controls the opening degree of the first flow distributing and adjusting device according to the return air temperature so as to control the amount of refrigerants entering the condenser and the heat using device. According to the constant-temperature air outlet dehumidification heat pump system, high-precision temperature and humidity cooperative control is achieved, temperature fluctuation is reduced, meanwhile, the energy efficiency ratio and the system stability are improved, the high-end scene requirement is met, and the stability under the complex working condition is improved.

The invention relates to the technical field of all-vanadium redox flow batteries, in particular to an all-vanadium redox flow battery thermal management system utilizing a phase change material, which comprises an electrolyte storage tank, an electrolyte cavity and a phase change cavity are arranged in the electrolyte storage tank, the phase change cavity is filled with the phase change material, and the phase change cavity comprises an inner cavity and an outer cavity which are communicated with each other. The temperature of the phase change material is basically constant in the phase change process, and the problem that temperature fluctuation is large in traditional sensible heat temperature control is effectively solved.

The utility model discloses an outlet gas temperature regulation and control device of a sulfur burning furnace. The outlet gas temperature regulation and control device comprises a graded regulation and control valve body, a multi-point temperature measurement assembly and a uniform flow temperature control cavity, the graded regulation and control valve body, the multi-point temperature measurement assembly and the uniform flow temperature control cavity are connected in series step by step and are mounted on a furnace gas main pipe at the rear end of the sulfur burning furnace; through the synergistic effect of graded adjustment, multi-point monitoring and forced flow uniformizing, the problems that a traditional device is large in temperature fluctuation and uneven in mixing are solved, the regulation and control precision is improved, and the energy consumption and the maintenance cost of the sulfur acid making process are remarkably reduced.

This utility model discloses a mixing agitator for a hydrogenation reactor, comprising a reactor body, multiple legs fixedly connected to the outer wall of the bottom of the reactor body, a top cover rotatably connected to the top of the reactor body, a feed pipe fixedly connected to the top of the top cover, a feed cover plate rotatably connected to the top of the feed pipe, a discharge pipe fixedly connected to the bottom of the reactor body, a discharge valve fixedly connected to the outer wall of the discharge pipe, a stirring mechanism installed on the inner wall of the reactor body, an aeration treatment mechanism installed on the top of the reactor body, and a foam elimination mechanism installed inside the reactor body. The air pump of this utility model's aeration treatment mechanism introduces hydrogen gas into the rotating shaft through the air inlet pipe, and sprays it out from the aeration pipe through the air guide hose. This, combined with the motor driving the rotating shaft and stirring rod of the stirring mechanism, causes the hydrogen gas to disperse into tiny bubbles. Simultaneously, a scraper removes material from the reactor wall, avoiding dead zones and improving the uniformity of the gas-liquid-solid three-phase mixing. The mass transfer coefficient is improved compared to traditional agitators.

The embodiment of the invention provides a control method of a refrigerator, a controller, the refrigerator and a storage medium, the control method of the refrigerator is applied to the refrigerator, and the refrigerator is in communication connection with a server; the method comprises the following steps: acquiring food material information of put food materials, and sending the food material information to a server; and receiving a target working strategy of the compressor fed back by the server based on the food material information, and controlling the compressor according to the target working strategy. Due to the fact that the refrigerator is in communication connection with the server, the refrigerator can control the compressor according to the target working strategy, fed back by the server based on the food material information, of the compressor, and the temperature in the refrigerator is kept in a relatively stable state all the time; and the loss of the existing food materials in the refrigerator caused by dramatic temperature change is avoided, so that the temperature fluctuation is reduced, and the fresh-keeping effect is improved.

The invention relates to a power consumption control method and device of a three-dimensional scanning system and the three-dimensional scanning system. The method comprises the steps that corresponding control strategies are set for all power consumption devices in the three-dimensional scanning system; each power consumption device is correspondingly provided with a control strategy; the power consumption device comprises a processor, an image sensor and a light supplementing lamp; and executing the control strategy in the working process of the three-dimensional scanning system, so that the power consumption of the three-dimensional scanning system in different working modes is kept within a first preset range. According to the invention, in different working modes of the whole working process of the three-dimensional scanning system, the whole power consumption of the system can be kept consistent as much as possible by executing the control strategy, so that the temperature fluctuation is reduced, and the problem that the measurement result is influenced by the larger temperature fluctuation is solved.

This utility model discloses a nickel plating reactor for diamond micron powder, comprising a reactor and an oil storage tank. The reactor has a jacketed structure, and a detachable lid is provided on the top of the reactor. A stirring element is provided on the lid, and a temperature regulating element is provided between the oil storage tank and the jacket of the reactor. This utility model belongs to the technical field of reactors, specifically referring to a nickel plating reactor for diamond micron powder.

The invention relates to the technical field of coal mine safety detection equipment, and provides a mining intrinsic safety type aerial fog spraying controller which comprises a rod tail seat, the top of the rod tail seat is connected with a telescopic rod piece, the top of the telescopic rod piece is connected with a handle pipe, the outer side of the handle pipe is connected with a handle cover, and the top of the handle pipe is connected with a first mounting plate. The two ends of the top of the first mounting plate are connected with connecting rods, the tops of the two connecting rods are connected with a shell, the outer side of the shell is connected with a control panel, a gas cylinder is connected between the two connecting rods, the top of the shell is connected with a second mounting plate, one end of the top of the second mounting plate is connected with an electromagnetic valve, and the outlet end of the electromagnetic valve is connected with a movable connector. The outlet end of the movable connector is connected with a smoke outlet nozzle, and the other end of the top of the second mounting plate is connected with a heating head. The technical defects of a traditional aerial fog spraying controller are comprehensively overcome through the height-adjustable telescopic rod piece, the direction-flexible spraying head, the uniform heat source design, the real-time monitoring system and safe and portable operation.

The utility model discloses a semiconductor refrigeration system which comprises a cooling liquid circulation loop, a liquid storage pool which is used for monitoring the liquid level of cooling liquid and is convenient to add the cooling liquid is connected to the cooling liquid circulation loop in series, and cooling media are supplemented timely and conveniently without dismantling any pipeline or connector or even in a non-stop state. High heat transfer efficiency, small temperature fluctuation and operation safety and stability of the system are ensured; the transparent liquid storage pool and the liquid level window on the side wall are convenient for a user to directly observe the liquid level change in the loop; the liquid storage pool is provided with a first liquid level sensor, and when the liquid level is lower than a normal value, an alarm is given to remind liquid supplementation; a liquid adding opening of the liquid storage pool is closed through the exhaust valve to prevent external pollutants from entering, and pressure is released in advance during liquid adding to prevent a cooling medium from splashing; and when the limited liquid level is exceeded during liquid supplementation, the second liquid level sensor prompts to stop liquid supplementation in time, so that the leakage of the cooling medium is prevented, and the convenience and safety of liquid supplementation are improved.

This utility model relates to the field of profile technology and discloses a multi-layer anti-damage profile for refrigerated boxes, comprising a first aluminum plate; a second aluminum plate disposed at the bottom end of the first aluminum plate; an anti-damage component disposed between the first and second aluminum plates to improve the wear resistance of the first and second aluminum plates; the anti-damage component, in combination with a reinforcing plate and polyurethane foam, can efficiently absorb and disperse external impact forces, preventing dents and cracks in the first and second aluminum plates, extending the service life of the profile; the design of rubber pads, connecting boxes, and arc plates not only improves the impact resistance of the profile ends but also provides reliable support for the connection between the profile and the refrigerated box, enhancing the stability of the overall structure; a protective layer composed of fluorocarbon coating, polycarbonate, and aluminum foil moisture-proof layer provides all-round protection against external environmental erosion, preventing the profile from being corroded and damp, and reducing maintenance costs.

The utility model relates to a car technical field especially, it is a kind of central hand box refrigeration structure, including central hand box, condenser pipe, semiconductor refrigeration module, shroud and heat dissipation pipeline, wherein, central hand box inside is equipped with refrigeration space;Condenser pipe is embedded in the lateral wall of refrigeration space, and its both ends are communicated with the refrigerant circulation pipeline of car air conditioning system by pipeline;Semiconductor refrigeration module cold end is embedded in the lateral wall of refrigeration space, and hot end is placed in the inside of shroud;Shroud is fixed in the inside of central hand box;One end of heat dissipation pipeline is communicated inside shroud, and the other end is communicated to engine cabin, and exhaust fan is embedded in the inside of heat dissipation pipeline;The utility model proposes a kind of central hand box refrigeration structure, it is additionally equipped with semiconductor refrigeration module as auxiliary cold source, can carry out cold supplement to refrigeration space under the condition that vehicle is temporarily extinguished, effectively inhibits the temperature rise in refrigeration space, and reduces temperature fluctuation, guarantees the continuity and stability of refrigeration effect.

This invention relates to the field of coating technology, and proposes an aerogel anti-condensation coating and its preparation method. An aerogel anti-condensation coating comprises the following raw materials in parts by weight: 40-60 parts of elastic silicone-acrylic emulsion, 5-7 parts of aerogel, 10-12 parts of polyurethane acrylic resin, 5-10 parts of silica, 5-10 parts of heat-insulating filler, 2-3 parts of film-forming aid, 1-1.5 parts of dispersant, 0.5-1 part of defoamer, 1-2 parts of thickener, and 30-40 parts of water; the heat-insulating filler has a core-shell structure, consisting of a core material and a shell material; the shell material comprises the following raw materials in parts by weight: 9-11 parts of melamine and 7-9 parts of formaldehyde aqueous solution; the core material comprises the following raw materials in parts by weight: 6-8 parts of white oil, 7-9 parts of hexadecane, and 5-7 parts of microcrystalline wax. This technical solution solves the problem of poor heat insulation performance in aerogel anti-condensation coatings in related technologies.

The invention discloses a multi-wire cutting device and a multi-wire cutting method.The multi-wire cutting device comprises a multi-wire cutting machine and a slurry system, the multi-wire cutting machine is provided with a cutting position, the slurry system comprises a feeding loop, a cooling loop and a heat exchanger, and the feeding loop comprises a slurry box, a liquid receiving structure, a liquid outlet structure and a detection structure; the detection structure is used for detecting the liquid outlet temperature and / or the liquid inlet temperature of the feeding loop, the cooling loop is separated from the feeding loop and comprises a cooling structure and a valve structure which are connected, the heat exchanger is provided with a first heat exchange flow channel and a second heat exchange flow channel which exchange heat with each other, and the first heat exchange flow channel is arranged on the feeding loop and located on the upstream of the liquid outlet structure; the second heat exchange runner is arranged in the cooling loop, the valve structure is arranged between the cooling structure and the second heat exchange runner, and the opening degree of the valve structure is adjustable so that the medium flow of the second heat exchange runner can be adjusted according to the feeding amount of the driving structure and the detection result of the detection structure. Therefore, the product quality after the to-be-cut piece is cut can be improved conveniently.

The invention belongs to the technical field of floor systems, and particularly relates to a temperature-control self-adjusting seamless floor system based on phase-change energy storage microcapsules, a construction method of the temperature-control self-adjusting seamless floor system and a preparation method of the phase-change microcapsules. A temperature control self-adjusting seamless terrace system based on phase change energy storage microcapsules comprises a base layer, an isolation layer, a phase change energy storage layer, a transition layer, a structural layer and a functional surface layer which are sequentially arranged from bottom to top. The functional surface layer is made of carborundum wear-resistant aggregate and a lithium-based sealing curing agent, the structural layer is made of C35-C40 prestressed concrete, the transition layer is made of polymer modified mortar, the phase change energy storage layer is made of phase change microcapsules and light aggregate concrete, the isolation layer is made of a double-layer PE film, and the base layer is made of tamped soil and graded broken stone. The invention provides a temperature control self-adjusting seamless terrace system based on phase change energy storage microcapsules, a construction method of the temperature control self-adjusting seamless terrace system and a preparation method of the phase change microcapsules.

This utility model discloses a hot air furnace for biomass fuel processing, comprising a biomass hot air furnace, a fire outlet at the front end of the biomass hot air furnace, a feeding port at the upper end of the biomass hot air furnace, and a uniform feeding structure fixedly installed on the outer surface of the upper end of the biomass hot air furnace. The hot air furnace for biomass fuel processing of this utility model, through the uniform feeding structure, utilizes spiral blades to propel the material, improving the stability of the feeding process. During feeding, the material is pulverized by a first crushing roller and a second crushing roller, improving the combustion efficiency of the material inside the biomass hot air furnace.

This invention discloses a thermal management method for a solid-state hydrogen storage fuel cell system. The method includes: acquiring a dynamic temperature model, a target temperature, a preset current set, and the stack current; determining a duty cycle feedback value based on the dynamic temperature model and the target temperature; determining a duty cycle feedforward value based on the dynamic temperature model, the preset current set, and the stack current; and adjusting the temperature of the solid-state hydrogen storage fuel cell system based on the duty cycle feedback value and the duty cycle feedforward value. This invention introduces a duty cycle feedforward value into the temperature regulation of the solid-state hydrogen storage fuel cell system, combining it with the duty cycle feedback value to precisely regulate the temperature. This results in faster and more accurate temperature regulation of the solid-state hydrogen storage fuel cell system, reducing temperature fluctuations and avoiding the drawbacks of temperature overshoot, temperature oscillation, and temperature lag.

This utility model discloses a heat preservation device for flower cultivation, including a heat preservation box. The heat preservation box includes a storage cavity and a water cavity. Water is placed inside the water cavity, and electric heating plates are fixedly connected to both sides of the inner wall of the water cavity. This utility model adopts a structural design in which the heat preservation box has a storage cavity and a water cavity. The water in the water cavity is heated by the electric heating plates. Through the thermal conductivity of water, heat can be evenly transferred to the left, right, top, bottom, and back of the storage cavity, which to a certain extent avoids the problem of uneven local temperature caused by traditional single biological lamp heating. With the heat preservation box and the heat preservation cover plate fixedly connected to the surface of the heat preservation box, a multi-layer heat preservation structure is formed, which can significantly slow down the transfer rate of internal heat to the outside. This device has the advantages of good heat preservation effect, maintaining a suitable internal temperature for a long time, and flexible adjustment of the internal temperature of the device.

The invention discloses a composite material for continuous lithium extraction based on photo-thermal synergy, a supercooled continuous lithium extraction method and application, and belongs to the technical field of salt lake lithium extraction and heat energy management. According to the prepared floating type photo-thermal synergistic lithium extraction composite material, through the design of a three-layer composite structure, the synergistic function of temperature regulation and control, lithium ion adsorption and structure supporting is achieved, the problems that a traditional lithium adsorption material is prone to sedimentation and usually needs an additional supporting structure are solved, the density is smaller than that of water, and the composite material can stably float on the surface of salt lake brine; and large-scale deployment and recovery are facilitated.

The application discloses a control method for reducing energy consumption of a variable-frequency refrigerator, which judges the temperature difference of an environment sensor, a refrigeration sensor and a freezing sensor, combines to judge the refrigerator load condition, controls the compressor rotating speed, controls the temperature difference of the opening and stopping point of the non-freezing chamber, increases the frequency of the opening and stopping of the non-freezing chamber air door, reduces the temperature fluctuation of the non-freezing chamber, balances the load of each chamber, reduces the starting load, thereby reduces the starting power loss, and realizes the reduction of energy consumption.

This utility model discloses a fast-heating, energy-saving water dispenser, relating to the field of water dispenser technology. It includes a water dispenser casing with a water inlet on the lower left side and a drain outlet on the lower right side. A water outlet is located on the upper right side of the casing. A water inlet solenoid valve is connected to the right side of the water inlet, and a water flow control valve is connected to the right side of the solenoid valve. A manual fine-tuning valve is also connected to the right side of the water flow control valve. A safety valve is connected to the upper left side of the water outlet solenoid valve, and an exhaust pipe connects the safety valve to the drain outlet. A heating water level probe is located on the top of the casing. A heating chamber with a heating element is located inside the casing. This fast-heating, energy-saving water dispenser solves the problems of low heating efficiency and difficult scale removal in traditional water dispensers, offering advantages such as rapid heating, energy saving, and easy maintenance. It is suitable for use in homes, offices, and other locations.

The utility model belongs to reactor technical field, specifically is a kind of cold gas device for hydrogenation reactor, including reactor body;The reactor body top is fixed with feed pipe;The reactor body bottom is fixed with discharge pipe;The reactor body outer lateral wall is equipped with cold gas subassembly;The cold gas subassembly end is equipped with dismounting subassembly;The discharge pipe outer lateral wall is equipped with control component;The cold gas subassembly includes two cold gas covers;Two the cold gas covers are oppositely arranged;Two the cold gas covers are installed in reactor body outer lateral wall;Two the cold gas cover lateral wall is equipped with sealing component;The cold gas cover bottom is equipped with air inlet pipe;Through the above structure, the flow path of spiral is formed in cold gas cover by guiding cold gas, and this flow mode can increase the contact area and contact time of cold gas and reactor body outer lateral wall, to improve heat exchange efficiency, can make cold gas fully flow in limited space, make cooling more uniform.

This invention relates to the field of cold storage technology and provides a cold storage mechanism, including a coil box with two ports, one connected to an inlet pipe and the other to an outlet pipe. The inlet pipe has one port connected to the coil box and the other to the evaporator chamber, used to draw gas from the evaporator chamber and send it into the coil box. The outlet pipe has one port connected to the coil box and the other to the evaporator chamber, used to return gas from the coil box to the evaporator chamber. A cold storage element, disposed within the coil box, is used to exchange heat with the gas entering the coil box. Thus, this invention, by having the cold storage mechanism independently located within the evaporator chamber, does not affect the defrosting process. After defrosting, the dry, cold gas is returned to the evaporator chamber, causing a rapid decrease in temperature within the chamber and reducing temperature fluctuations. It also significantly extends the defrosting cycle and reduces the frequency of defrosting. This invention also provides a constant-temperature refrigerator based on this cold storage mechanism and a defrosting control method.

The embodiment of the invention discloses a control method and device for a gas water heater. The control method comprises the steps that the real-time water flow is obtained; the state of the water heater is determined based on the real-time water flow, the state of the water heater comprises a use state and a non-use state, and the real-time water volume of the water heater entering the use state from the non-use state is the initial water flow; determining a control strategy according to the time interval between the current use state and the last use state; if the time interval between the current use state and the last use state is larger than or equal to a first time threshold value, a first control strategy is adopted to adjust the water flow and the gas flow; if the time interval between the current use state and the last use state is smaller than the first time threshold value, a second control strategy is adopted to adjust the water flow and the gas flow, and the time for the second control strategy to enable the outlet water temperature to reach the target temperature from the initial temperature is shorter than the time for the first control strategy to enable the outlet water temperature to reach the target temperature from the initial temperature. The control method provided by the embodiment of the invention improves the water use experience of the user.

This utility model discloses a rainproof structure for a specially designed refrigerated container. The rainproof structure is installed on the threshold outside the bottom plate of the container. The structure includes a pad on the threshold and a rainproof plate covering the pad. The rainproof plate and the top surface of the threshold form a slope, making the inner height of the container higher than the outer height. The rainproof plate works in conjunction with the sealing strip of the container door to form a sealed structure, preventing rainwater from entering the container. The advantages of this utility model are: the composite slope design and sealing strip of this technical solution achieve zero leakage in heavy rain conditions, solving the problem of rainwater backflow in traditional side-opening refrigerated containers.