45results about How to "Guaranteed air temperature" patented technology

The invention provides an air conditioner air outflow control method and device, a storage medium and an air conditioner. The method comprises the steps that when a cold air preventing mode is over, it is judged that the temperature of an indoor coil pipe of the air conditioner belongs to which one of multiple preset indoor coil pipe temperature set ranges, the air gear area where an indoor draught fan of the air conditioner is located is determined on the basis of the indoor coil pipe temperature set range to which the indoor coil pipe temperature belongs, and the corresponding draught fan control logic is executed. According to the air conditioner air outflow control method and device, the storage medium and the air conditioner, in the cold air preventing mode, a user is prevented from being directly blown by cold air; and after the cold air preventing mode is quitted, the rotation speed of the inner draught fan is slowly adjusted, the air outflow temperature is guaranteed, and the comfort experience of the user is improved.

The invention is aimed at providing an automatic controlled environment hog house and an environmental control method thereof. The hog house comprises outer walls, fans and water curtails. The fans and the water curtails are arranged on two sides of each outer wall. The hog house further comprises a control module, an air condition module, a fan control module and a water curtail control module.The hog house is reasonably distributed. An automatic temperature and air control system is used for controlling the fans to supply air and the water curtains are used for decreasing temperature. Leaking plates and aisles, reasonably distributed help save internal space of the hog house to the maximum degree and also control temperature, humidity and air cleanliness inside the hog house within the better scope in order to ensure healthy growth of hogs. The environmental control method is adopted in order to ensure three-tier guarantee of indoor ambient temperature in summer by pre-set three temperature value and to reach the most proper temperature. The automatic air control system can automatically turn on the fan to exchange air if ammonia gas exceeds the limit in order to ensure refreshing air indoors.

The invention discloses a method and a device for producing high temperature air for quick cooling of a large turbine. The device comprises a gas conveying device, a burning device, an air inducing device and a control system, wherein a temperature thermocouple of the control system is arranged in a high temperature air chamber; a programmable controller is respectively connected with a gas regulating valve and the temperature thermocouple; and another programmable controller is respectively connected with a second flow meter, a third flow meter and an air supply regulating valve. The method measures the temperature of the high temperature air chamber by measuring the thermocouple, the signal of the measured temperature is transmitted into the programmable controller, and the temperature setting value of the programmable controller is determined by the actually measured temperature value of the turbine after considering the heat stress. In the invention, the primary fuel of gas is used as an energy source for producing high temperature air for quick cooling of the large turbine, thus the energy source is saved, and the power is large; and meanwhile, the temperature and the flow rate can be controlled easily, thereby meeting the requirements of the temperature and the flow rate of the air for quick cooling after the large turbine shuts down.

The invention discloses an aircraft hydrocarbon fuel external reformed fuel cell gas turbine combined power generation system. The external reforming hydrogen production is performed for a hydrocarbon fuel in the power generation system to obtain hydrogen for a fuel cell. An external reforming machine and a water circulating bypass are added. The advantages of two power systems of the fuel cell and a gas turbine are combined; the efficiency of the fuel cell, the product composition and the fuel type of the gas turbine are reasonably matched; the tail gas temperature of the fuel cell and the front temperature of the gas turbine are reasonably matched; the pressure ratio of a gas compressor and the working pressure of the fuel cell are reasonably matched; and the power of the gas turbine and the power of the gas compressor are reasonably matched, so that the utilization efficiency of an aircraft fuel is improved. An all-electric aircraft is low in heating and part wear, so that the system reliability is improved; and the system is convenient to produce, install, use and maintain.

The invention discloses an air conditioner, a control method and device of the air conditioner and a computer readable storage medium. The control method of the air conditioner comprises the followingsteps of: detecting the indoor temperature and outdoor temperature of the air conditioner during the heating of the air conditioner; controlling the operation of a compressor according to the indoortemperature and the outdoor temperature; and/or detecting the tube temperature of an evaporator; and controlling the operation of a fresh air blower according to the tube temperature. The air conditioner, the control method and device of the air conditioner and the computer readable storage medium solve the technical problem that when the air conditioner in the prior art has relatively high energyconsumption during cold air prevention.

The invention discloses an intelligent control method of a handheld electric hair drier. The intelligent control method comprises the following steps: detecting a temperature sensing signal, a humidity sensing signal, a hair length signal and a hair density signal on the surface of human hair in real time; detecting indoor real-time environment information in real time; enabling a controller to receive, analyze and process the human body hair temperature value, the human body hair humidity value, the hair length value, the hair density value and the real-time environment information, and to perform analysis and processing; detecting a current temperature value G at an outlet of an electric hair drier in real time through a temperature sensor, and enabling a judgment unit in the controllerto compare the current temperature value G with the minimum value and the maximum value; and controlling an infrared sensor on the electric hair drier to detect the intensity of the human body radiation energy in the current environment, judging whether the detected intensity of the human body radiation energy is greater than a preset value, and controlling the running state of the electric hair drier according to a judgment result.

The invention discloses an aluminum veneer cleaning and drying device with high drying efficiency. The aluminum veneer cleaning and drying device comprises a working box, two sets of symmetrical supporting legs are fixedly connected to the bottom face of the working box, a feeding opening is formed in the left side face of the working box, a discharging opening is formed in the right side face ofthe working box, a partition plate matched with the working box is fixedly connected to the inner top wall of the working box, a through groove is formed in the left side face of the partition plate,and a sliding rail is fixedly connected to the inner bottom wall of the through groove. The aluminum veneer cleaning and drying device is reasonable in design structure, an aluminum veneer can be placed in the sliding rail to be pushed, a circulating pump drives water flow to be sprayed out of a water outlet, a rotating motor drives a rotating pipe and bristles to rotate for washing, a heating wire is powered on to heat air, and an air blower dries the aluminum veneer through an air uniformizing head and an exhaust pipe through hot air; and under the action of an air inlet pipe, hot air in theworking box enters a heating box to form circulation, the air temperature in the working box is guaranteed, and the drying efficiency is improved.

The invention discloses a control method of a mixed matching multi-split air conditioning system. The control method comprises the following steps that A, when each indoor unit is powered on and operates initially, the initial opening degree and opening degree adjusting range of an electronic expansion valve of each indoor unit are calculated and determined on basis of the capacity condition and the current working mode of each indoor unit; B, each indoor unit subjected to power-on initial operation correspondingly adjusts the electronic expansion valve of each indoor unit to target opening degree within the opening degree adjusting range according to the difference value, obtained in real time, between a heat exchanger inlet temperature TA and a heat exchanger outlet temperature TB and bytaking the initial opening degree as the starting point; and C, each indoor unit subjected to primary adjustment correspondingly adjusts the electronic expansion valve of each indoor unit to the target opening degree within the opening degree adjusting range by taking the target opening degree subjected to primary adjustment as the starting point based on the difference value between a real heatexchanger inlet temperature TA and a real heat exchanger outlet temperature TB obtained in real time.

The invention provides a cooking utensil. The cooking utensil comprises a body, wherein the body comprises a working cavity, and the working cavity is provided with at least three air inlets; an air duct structure which is arranged on the body and communicates with the working cavity through the air inlet; and a driving device which is arranged in the air duct structure and is configured to supplyair to the working cavity from at least three directions through the air inlets. According to the cooking utensil, the air duct structure can be matched with the at least three air inlets to supply air to the working cavity, the disturbance effect of airflow in the working cavity is enhanced, the airflow can be directly blown to to-be-cooked food from three different directions, and the airflow uniformly acts on the to-be-cooked food in the working cavity; the uniform heating effect of the to-be-cooked food is ensured, and then the cooking quality of the to-be-cooked food is improved.

The invention discloses a full air data center air conditioning system. The full air data center air conditioning system structurally comprises a data center, an air exhaust pipeline, an air return pipeline, a heat exchanger, a fresh air pipeline, an air conditioner processing unit and an air supply pipeline. The air exhaust pipeline is arranged at one end of the data center, the air supply pipeline is arranged at the other end of the data center, the terminal of the air exhaust pipeline is connected with the outside world through the heat exchanger, one end of the fresh air pipeline is connected with the air conditioner processing unit, the other end of the fresh air pipeline communicates with the outside world through the heat exchanger, an air outlet of the air supply pipeline is connected with the air conditioner processing unit, and an air inlet of the air supply pipeline is connected with the data center. One end of the air return pipeline is connected with the air exhaust pipeline, and the other end of the air return pipeline is connected with the fresh air pipeline. The air conditioning system has no air conditioning equipment in a data machine room, refrigerants and cold water do not need to be conveyed through pipelines, air is sent into the data machine room after being processed to be qualified, the refrigerants and the cold water are prevented from entering the data center machine room, and the safety of electronic equipment and the operational reliability of the data center machine room are greatly improved.

The invention is suitable for the technical field of heat dissipation and dust prevention devices of computer cases, and provides an internal circulation dust prevention and heat dissipation computer case which comprises a box body which is of a closed structure, the box body comprises a hardware installation area, an inner circulation heat exchange area adjacent to the hardware installation area and an outer circulation heat exchange area adjacent to the hardware installation area and the inner circulation heat exchange area, a first air exchange assembly is arranged between the hardware installation area and the inner circulation heat exchange area, and a second air exchange assembly is arranged on the outer side of the outer circulation heat exchange area; a heat exchange water path which is a circulation closed water path and comprises an inner circulation heat exchanger arranged in the inner circulation heat exchange area and an outer circulation heat exchanger arranged in the outer circulation heat exchange area, so that the interior of the case is closed, internal circulation heat dissipation in the case is achieved, and the effect that no dust is accumulated in the case is achieved, meanwhile, heat dissipation and cooling are achieved through circulating water, the heat dissipation efficiency of the case is improved, and the heat dissipation effect of the whole device is guaranteed.

The invention discloses a special electrical cabinet suitable for a complex environment, which comprises a box body and an insulation box buried underground. Two symmetrically arranged heat storage grooves are formed in the side wall of the box body, and a U-shaped heat exchange tube communicated with the two heat storage grooves is inserted into the inner wall of the insulation box in a penetrating manner. A similar-U-shaped airflow pipe communicating with the interior of the box body is inserted into the inner wall of the insulation box in a penetrating mode, a pumping groove is formed in the top of the box body, a rotating cylinder is rotatably connected to the top of the box body in a penetrating mode, and rotating blades are fixed to the upper portion of the rotating cylinder. The electrical cabinet has the advantages that the insulation box is arranged and buried under the ground, so that the internal temperature of the insulation box is relatively stable, the heat storage grooveis formed, a good heat insulation effect can be achieved, meanwhile, water flow in the heat storage groove flows, absorbed heat is continuously discharged, the low temperature of the heat storage groove is guaranteed, and therefore rising of the internal temperature of the box body is avoided; and normal work of components in the box body in an effective temperature is ensured.

The invention provides a design method and system for heat dissipation and ventilation parameters of a reactor hall, and the method comprises the steps: building a reactor hall fluid domain model, carrying out the grid discretization, obtaining different hall air supply amounts and motor air inlet temperatures through simulation, and carrying out the fitting to obtain a first formula; motor air supply is considered, different motor inlet air and exhaust air temperatures are obtained through simulation, and a second formula is obtained through fitting; calculating the heat dissipation value of the motor to obtain a third formula of the heat dissipation value of the motor and the exhaust air temperature of the motor, calculating the exhaust air temperature corresponding to the design value of the heat dissipation value of the motor according to the formula, calculating the air inlet temperature corresponding to the exhaust air temperature according to the second formula, calculating the ventilation quantity of the motor, and judging whether the ventilation quantity is greater than the design value of the ventilation quantity of the motor; if yes, the hall air output input value is increased, the step S4 is executed again, and if not, hall ventilation parameters are output. According to the hall air supply volume obtained through the method, it can be guaranteed that the air temperature in the hall meets the design requirement, and it can be guaranteed that air supply and heat dissipation of the sodium pump motor meet the design requirement.