Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

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

Air conditioner air outflow control method and device, storage medium and air conditioner

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.
Owner:GREE ELECTRIC APPLIANCES INC

Ventilating system of vertical wall attaching jet air lake mode

The invention discloses a vertical wall attaching jet air lake mode ventilation system, which comprises a blast pipe (4) and an exhaust duct (11); wherein, an air supply port (6) is arranged close to side wall at the top part of a room; the distance of the air supply port (6) from the side wall is designed into: the ratio between vertical distance of the center of the air supply port (6) from the side wall and the width of the air supply port (6) is 0 to 15. The vertical wall attaching jet air lake mode ventilation system has the advantages of facilitating body health due to being close to the air supply environment, easily arranging the ventilation system in the building space and not occupying building space at the lower part (working area).
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Automatic controlled environment hog house and environmental control method thereof

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.
Owner:GUANGXI YINNONG ANIMAL HUSBANDRY GRP

Hydrocarbon fuel internal reforming fuel cell and gas turbine combined power generation system for airplane

The invention discloses a hydrocarbon fuel internal reforming fuel cell and gas turbine combined power generation system for an airplane, and belongs to the field of airplane power generation systems. According to the system, on the condition that the flexibility of the airplane is met, a hydrocarbon fuel cell is applied to supply power to the system, and the efficiency of the system is improved by adopting the mode of combining the hydrocarbon fuel cell with a gas turbine; hydrocarbon fuel is high in volume energy density and low in storage and heat exchange quality penalty; waste heat of tail gas is fully utilized, fuel which is not utilized by the solid oxide fuel cell is fully utilized to be burned in a burning chamber, the hydrocarbon fuel provides a high-temperature high-pressure working medium for a turbine after being burned, the turbine does work to generate power, the power serves as electric power for the airplane, and then the fuel utilization rate is greatly increased.
Owner:HARBIN INST OF TECH

Method and device for producing high temperature air for quick cooling of large turbine

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.
Owner:SOUTH CHINA UNIV OF TECH

Control method used for vehicle cabin and battery

The invention discloses a control method used for a vehicle cabin and a battery. The control method includes setting a current target evaporating temperature and a current target coolant temperature according to current environmental parameters when both a vehicle cabin and a battery have cooling demands; obtaining the actual evaporating temperature of the outlet of an evaporator, and adjusting the rotating speed of a compressor according to the actual evaporating temperature and the current target evaporating temperature until the actual evaporating temperature achieves the current target evaporating temperature; and obtaining the actual temperature of liquid coolant in a battery cooling circuit, and adjusting the refrigerant flow rate in the battery cooling circuit according to the actual temperature of the liquid coolant and the current target coolant temperature until the actual temperature of the liquid coolant achieves the current target coolant temperature. The control method can simultaneously perform accurate control when both the vehicle cabin and the battery have cooling demands, so that the air-out temperature of the vehicle cabin and the coolant temperature of the battery can be guaranteed, the comfortableness of the vehicle cabin can be enhanced, and the service life and endurance capabilities of the battery can be ensured.
Owner:HANGZHOU SANHUA RES INST CO LTD

Aircraft hydrocarbon fuel external reformed fuel cell gas turbine combined power generation system

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.
Owner:HARBIN INST OF TECH

Air conditioner and control method and device of air conditioner and computer readable storage medium

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.
Owner:TCL AIR CONDITIONER ZHONGSHAN CO LTD

Intelligent control method for handheld electric hair drier

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.
Owner:黄山市华特电器有限公司

Ventilating system of vertical wall attaching jet air lake mode

The invention discloses a vertical wall attaching jet air lake mode ventilation system, which comprises a blast pipe (4) and an exhaust duct (11); wherein, an air supply port (6) is arranged close to side wall at the top part of a room; the distance of the air supply port (6) from the side wall is designed into: the ratio between vertical distance of the center of the air supply port (6) from theside wall and the width of the air supply port (6) is 0 to 15. The vertical wall attaching jet air lake mode ventilation system has the advantages of facilitating body health due to being close to the air supply environment, easily arranging the ventilation system in the building space and not occupying building space at the lower part (working area).
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Aluminum veneer cleaning and drying device with high drying efficiency

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.
Owner:安徽金锐铝幕墙制造有限公司

Control method of mixed matching multi-split air conditioning system

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.
Owner:GUANGDONG CHIGO HEATING & VENTILATION EQUIP CO LTD

Full air data center air conditioning system

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.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Internal circulation dustproof heat dissipation computer case

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.
Owner:WEIFANG UNIV OF SCI & TECH

Frequency reduction control method of frequency conversion air conditioner and frequency conversion air conditioner

The invention belongs to the field of air conditioners, and particularly discloses a frequency reduction control method of a frequency conversion air conditioner. The air conditioner is provided withmultiple frequency reduction modes and multiple outdoor environment temperature reference ranges, the multiple outdoor environment temperature reference ranges are not overlapped, the different frequency reduction modes correspond to different compressor current control threshold values under the same outdoor environment temperature, the same frequency reduction mode corresponds to the different compressor current control threshold values under the different outdoor environment temperature reference ranges, when a frequency reduction instruction is received, according to the detected current outdoor environment temperature, the outdoor environment temperature reference range of the temperature is determined, according to the outdoor environment temperature reference range, the compressor current control threshold value under the frequency reduction mode in the frequency reduction instruction can be determined, and according to the current control threshold value, a compressor is correspondingly controlled. According to the control method, through mode dividing current control, in combination with temperature zone dividing current control, the frequency of the compressor is controlled, the power of the whole air conditioner is reduced, and the aim of reducing the power consumption is achieved.
Owner:GREE ELECTRIC APPLIANCES INC

Thermal management energy-saving control system for battery of pure electric vehicle

The invention discloses a thermal management energy-saving control system for a battery of a pure electric vehicle, wherein the system comprises a thermal management system, a cold car starting working condition strategy module, a driving working condition strategy module and a stable working condition strategy module; the cold car starting working condition strategy module, the driving working condition strategy module and the stable working condition strategy module are used for formulating heat management control strategies under different working conditions, and the heat management system is used for executing the heat management control strategies under the different working conditions; and the heat management system comprises a control unit system, a passenger compartment air conditioning system, a battery heat management heating system and a battery heat exchanger water chilling unit assembly. The thermal management system adopts different control strategies according to different use conditions of the whole vehicle, so that the basic discharge activity of a battery cell of the battery can be ensured, the working efficiency of the battery is improved, the heating rate is increased, and excessive energy consumption of a PTC heater and heat loss of an external system caused by repeated temperature adjustment can be effectively avoided.
Owner:HOZON NEW ENERGY AUTOMOBILE CO LTD

Cold air prevention control method of air conditioner indoor unit

The invention discloses a cold air prevention control method of an air conditioner indoor unit. The cold air prevention control method of the air conditioner indoor unit comprises the steps of: measuring indoor temperature T1, obtaining the temperature T2 of an indoor fan for preventing stop of the cold air and the temperature T2aim of a target coil according to the indoor temperature T1; measuring the temperature T2 of an indoor coil; judging the relation between the temperature T2 of the indoor coil and the temperature T2 of the indoor fan for preventing stop of the cold air and the temperature T2aim of the target coil, and selecting a fan start mode according to the judgment result. According to the cold air prevention control method of the air conditioner indoor unit, the air conditioner indoor unit gently adjusts the rotating speed of the fan in a self-adapting manner when the air conditioner indoor unit enters a cold air prevention mode to run, and the temperature T2 of the indoor coil is controlled within a demanded value to ensure the air outlet temperature, so that the rotating speed of the air conditioner indoor unit does not frequently fluctuate. The cold air prevention control method is accurate to control; the heating capacity is improved, and the use comfort is ensured.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD

Power distribution cabinet safety monitoring system

The invention belongs to the technical field of power distribution cabinets, particularly relates to a safety monitoring system for a power distribution cabinet, and aims to solve the problem that an existing temperature adjusting mechanism is limited in temperature adjusting capacity of the power distribution cabinet due to a simple mechanism, the safety monitoring system for the power distribution cabinet comprises a cabinet body, an equipment frame is fixedly connected to the inner wall of the cabinet body, and a slot is formed in the outer wall of one end of the cabinet body; according to the invention, air blowing and cooling treatment can be carried out on the interior of the cabinet body by arranging the air outlet cooling mechanism, and the temperature of air flow provided by the air supply mechanism can be ensured by arranging the heat exchange mechanism in the side box; by arranging the material suction mechanism, air flow generated by the air outlet cooling mechanism can be circulated and conveyed, the cooling effect is guaranteed, dust in the cabinet body can be absorbed, and the absorbed dust can be absorbed by arranging the treatment mechanism.
Owner:彭加伟

Dustproof device

The invention relates to a dustproof device comprising a chassis, wherein one side of the chassis is provided with an armrest by welding, an embedded groove is machined and formed in the chassis, a telescopic platform is embedded in the embedded groove, the front end of the chassis is fixedly provided with a controller by screws, a dust sensor is fixed at one end of the bottom of the chassis by screws, and traveling wheels are connected to the bottom of the chassis. A pressure pump is fixed at the bottom of the chassis by screws, a temperature controller is fixed at the bottom of the chassis by screws, a circulating pump is fixed at the bottom of the chassis by screws, and a liquid level sensor is fixed at one end in the chassis by screws. The dustproof device can monitor the concentrationof air dust in a coal mine shaft and be opened automatically after the concentration reaches a certain range. The device is more intelligent, can ensure the temperature of the air inside a mine by controlling the water temperature and can ensure the humidity in the shaft. The device can rotate at multiple angles and has good moving performance.
Owner:王勇亮

Refrigerating system for base station

The invention discloses a refrigerating system for a base station in the technical field of refrigerating systems. The refrigerating system comprises a compressor, a condenser, a condenser electronic fan, a liquid storage device, a plurality of EXVs, a plurality of thermostatic expansion valves, an evaporator, a pressure / temperature sensor and a pipeline; the compressor provides power for the refrigerating system to compress a refrigerant; and the condenser and the condenser electronic fan are used for enabling the refrigerant to exchange heat with air, so that the temperature of the refrigerant is lowered. According to the refrigerating system, the fan is automatically adjusted to be matched with the heat dissipating capacity needed by each cabinet according to signals such as the environment temperature and the air temperature in the cabinets, and independent and accurate control over the temperature of each cabinet can be achieved. In addition, when the air temperature in the cabinets is further lowered, the refrigerating system can be automatically closed, and energy is saved.
Owner:邵阳先进制造技术研究院有限公司

Method and device for producing high temperature air for quick cooling of large turbine

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.
Owner:SOUTH CHINA UNIV OF TECH

A control method for precise temperature-controlled heat pump hot blast stove

An accurate temperature control type heat pump hot blast stove control system and control method, wherein a temperature detection unit, a constant temperature adjustment unit and an air supply unit are arranged in the control system; Supply hot air that matches the set temperature into the air supply unit. A precise temperature-controlled heat pump hot blast stove control system and control method of the present invention, aiming at the particularity of the operation of the grain drying heat pump system, solve the problems of the heat pump hot blast stove in the external environment temperature change, the heat pump inlet air temperature change, and the fin frosting. In the case of various changing conditions such as defrosting, the innovative design and intelligent control logic of the system can realize the input selection of multi-stage different heating capacity and the precise control of the DC frequency conversion adjustment system, so as to realize the normal operation of the heat pump and ensure the heat pump The temperature of the outlet air is controlled within ±0.3 degrees of the difference from the set temperature to ensure the quality and quantity of drying materials.
Owner:JIANGSU TENESUN ELECTRICAL APPLIANCE

Air conditioner control method, device, air conditioner and computer readable storage medium

The invention discloses an air conditioner control method and device, an air conditioner and a computer-readable storage medium. The air conditioner control method includes: detecting the indoor temperature and the outdoor temperature of the air conditioner when the air conditioner is heating; Control the operation of the compressor according to the outdoor temperature; and / or detect the tube temperature of the evaporator; control the operation of the fresh air machine according to the tube temperature. The invention avoids the technical problem of high energy consumption of the air conditioner in the prior art when preventing cold wind.
Owner:TCL AIR CONDITIONER ZHONGSHAN CO LTD

A stir-frying pot for grapefruit pressed oil

The invention discloses a stir-frying pot for oil-pressing grapefruit, which belongs to the technical field of oil-pressing. A stir-frying pot for grapefruit oil press according to the present invention comprises a stir-frying pot body, a hand-operated rotating shaft, an arch frame, a base, a stirring device and a lifting device. The frying pot body has an interlayer, and the interlayer is filled with heat conduction oil to heat the frying pot body. The lifting device can control the lifting of the stirring device by adjusting the lifting frame. When the stir frying starts, lower the stirring device to the optimum distance between the stirring blade and the inner wall of the pot, and start the stir frying work. After the stir frying is finished, turn the stirring device Rising until the stirring blade leaves the pot body, it is convenient for the pot body to turn over and discharge through the hand-operated rotating shaft. In addition, through the special design of the stirring device, the materials in the pot can be fully stirred, and the grapefruit tea seeds can be fully stir-fried, which can achieve flexible stir-frying, uniform heating of materials, and avoid part of the oil being immature and part of the oil being carbonized at high temperature, greatly improving Oil yield and oil quality.
Owner:海南侯臣生物科技有限公司

Solar thermal utilization system combined with gas-steam combined cycle

The invention discloses a solar thermal utilization system combined with gas-steam combined cycle, which comprises a solar condensation heat collection subsystem, a refrigeration subsystem, a heat exchange device, a heat storage device and a gas-steam combined cycle power subsystem, wherein solar radiation energy is transformed into heat energy; a heat carrier preheats air and fuel which are used by the gas-steam combined cycle power subsystem through the heat exchange device; and then the heat carrier after the heat exchange drives the refrigeration subsystem for refrigeration to reduce the temperature of the air in an intercooler. The system gradiently utilizes the heat energy provided by the solar condensation heat collection subsystem, solves the problem of low utilization rate of solar energy, and also solves the problem of low temperature of the air at an outlet of an air compressor with multi-stage compression and intermediate cooling; and the system reduces the power consumption of the air compressor on the basis of ensuring the temperature of the air which enters a combustion chamber, improves the power generation efficiency of the gas-steam combined cycle, and achieves the aims of energy conservation and consumption reduction.
Owner:CHINA HUADIAN ENG +3

Special electrical cabinet suitable for complex environment

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.
Owner:莱芜钢铁双山陶土福利加工有限公司

Design method and system for heat dissipation and ventilation parameters of reactor hall

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.
Owner:CHINA NUCLEAR POWER ENG CO LTD

A Precise Control Method for Multi-line System

The invention discloses a precise control method for a multi-connected system. The multi-connected system includes an outdoor unit and an indoor unit composed of several indoor units, wherein each indoor unit is equipped with an electronic expansion valve, and each indoor unit is equipped with an electronic expansion valve. The above-mentioned indoor unit can be arbitrarily switched between the working modes of the ordinary air duct machine or the fresh air blower according to the demand; the control method is as follows: detecting the running status of the multi-connected system and the operation of the indoor Quantity, as well as the corresponding working mode of each indoor unit, and then according to the detection situation, correspondingly adjust the opening degree of the electronic expansion valve of each indoor unit that is powered on, and realize the mixing and matching of fresh air fans and ordinary air duct units in the same multi-line In the system, through reasonable and accurate dynamic adjustment of the electronic expansion valve opening of the indoor unit, the reasonable refrigerant adjustment of the indoor unit is realized, so as to ensure the outlet air temperature of the fresh fan and the ordinary ducted unit, and achieve the same temperature as the fresh fan and the ordinary ducted unit. Comfortable air supply temperature.
Owner:GUANGDONG CHIGO HEATING & VENTILATION EQUIP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products