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46results about How to "Optimized airflow organization" patented technology
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Efficient cooling air conditioner system of rack-mounted server cabinet
ActiveCN103687446ALow flow resistanceInto a stableCooling/ventilation/heating modificationsCold airComputer module
The invention discloses an efficient cooling air conditioner system of a rack-mounted server cabinet. The system comprises a refrigerating module and a cabinet body provided with an air inlet. The refrigerating module conveys cold air to the cabinet body through the air inlet, a partition board is arranged in the cabinet body, one side of the partition board is an air flue, the other side of the partition board is provided with a containing space used for containing a server, the cross section of the air flue is gradually reduced in the flow direction of the air, the partition board is provided with a plurality of air inlets in the flow direction of the air, and the air inlets are provided with arc-shaped flow guide plates. By means of the partition board, the cross section of the air flue is gradually reduced in the flow direction of the air, so that the cold air entering air gaps is equal in speed and amount, and uniform heat dissipation is achieved. Due to the facts that a sound-insulating material layer is arranged on a shell, arc-shaped transition plates are arranged on the corners of the cabinet body and the arc-shaped flow guide plates are arranged on the air inlets, noise is lowered, and the system is low in noise during work.
Owner:ZHEJIANG UNIV
Method for improving horizontal lateral air sending refrigeration efficiency
InactiveCN104214827AOptimized airflow organizationLower return air temperatureLighting and heating apparatusAir conditioning systemsCold airData center
The invention provides a method for improving horizontal lateral air sending refrigeration efficiency, and belongs to the technical field of calculating data central machine room refrigeration. The method includes the following steps of forming a refrigeration row cabinet through three STULZ CyberRow horizontal lateral air sending precise air conditioners and four high-thermal-density server cabinets by taking local-high-heat local processing as the thought, making the precise air conditioners run with two in one set and the other one in the other set when fully loaded, sending air from the single side, namely, the air conditioners at the two ends, of the CyberRow or the two sides, namely, the middle air conditioner, of the CyberRow, and closing air sending spaces and air return spaces of the precise air conditioners and the server cabinets to form independent passageways respectively through closing assemblies so that cold air flow and hot air flow which are generated by the row cabinet can be prevented from flowing and being sent to other areas of the machine room. The row cabinet closing assemblies are customized air flow loop assemblies matched with the server cabinets and the precise air conditioners on the machine room site. Due to the air sending spaces and the air return spaces of the closing assemblies, cold air or hot air is prevented from overflowing, and refrigeration efficiency is improved. The closing assemblies are detachably connected with the server cabinets.
Owner:PETROCHINA CO LTD
Railway-vehicle air-conditioner air supplying and returning system
ActiveCN104228863AImprove the air environmentGood effectRailway heating/coolingReturn channelWaste management
The invention relates to a railway-vehicle air-conditioner air supplying and returning system, which comprises air conditioners, wherein the air conditioners are arranged at both ends of a vehicle top, a through-type main air channel is arranged above a guest-room flat-top plate, an air outlet of each air conditioner is connected with the main air channel, and air is supplied to a guest room by the main air channel through an air-supplying opening which is formed below the main air channel; each air conditioner is provided with a first air-returning opening which is fixed to a vehicle-end flat-top plate and a second air-returning opening which is positioned above the vehicle-end flat-top plate, the lower edge of a guest-room lateral top plate is fixed to a connecting iron which is arranged on a lateral-wall framework through bolts, a cushion block is arranged between the connecting iron and the upper surface of the lower edge of the lateral top plate, an air-returning channel is formed between the lateral top plate and a lateral wall, and the air-returning channel is communicated with the second air-returning opening. According to the railway-vehicle air-conditioner air supplying and returning system, two air-returning channels are respectively formed between the guest-room lateral top plate and the two lateral walls, and the air-returning openings are formed in a vehicle-end flat top. One part of circulating air in a vehicle enters the upper space of a vehicle top through the air-returning channels and flows back to a machine set, and the other part of the circulating air directly flows back to the machine set through the air-returning openings in the vehicle-end flat top. According to the scheme, the airflow organization in the vehicle is improved, and the uniformity of a temperature and humidity field and a velocity field is improved.
Owner:CRRC NANJING PUZHEN CO LTD
Jet-flow motion measuring device in scale model based on PIV
PendingCN109612682AGood technical effectOvercoming the limitation of small single measurement rangeAerodynamic testingScale modelMeasurement device
The invention discloses a jet-flow motion measuring device in a scale model based on PIV, and relates to the technical field of laser measurement. The jet-flow motion measuring device in the scale model based on the PIV includes a laser light source system, a synchronous control system, a flow field imaging system, a particle image processing and analysis system, a movable sliding table system, atracer particle generator, a computer and a scale model; and the movable sliding table system includes a camera horizontal sliding table, a camera vertical sliding table, a laser device horizontal sliding table, a laser device vertical sliding table, a proximate matter frame, a transmission system and a sliding table automatic control system. Through the implementation of the jet-flow motion measuring device in the scale model based on the PIV, the limitation that an existing PIV testing technology has a small single measurement range is overcome, continuously measuring in the whole measuringarea can be carried out successively, the overall time-averaged flow information of the measuring area can be acquired, and the application scope of the PIV technology is greatly expanded.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Middle air supply type cyclic edible fungi drying device
ActiveCN105043074AReduce energy consumptionIncrease profitDrying gas arrangementsFruits/vegetable preservation by dehydrationEnergy consumptionWaste management
The invention discloses a middle air supply type cyclic edible fungi drying device which comprises an enclosure structure, a drying region, an air processing device and a main air supply pipe arranged on the left side of the enclosure structure. Vertically-arranged air supply non-uniform pore plates and air return non-uniform pore plates divide the space under the air processing device into the main air supply pipe, the drying region and a main air return pipe in the air flow direction, and the air processing device is communicated with the drying region through the main air supply pipe. A group of air supply holes and a group of air return holes are formed in the left side and the right side of each layer of arrangement plates arranged in the drying region. The middle air supply type cyclic edible fungi drying device improves drying air flow distribution through drying-face middle air supply, ensures that air flows at the drying-face position are uniform and stable, drying efficiency is improved, and energy consumption is reduced.
Owner:NANJING NORMAL UNIVERSITY +1
Air conditioner operation control method for improving air distribution in room, computer readable storage medium and air conditioner
ActiveCN111089402ASmall temperature fluctuationsImprove comfort experienceMechanical apparatusLighting and heating apparatusThermodynamicsRoomba
The invention provides an air conditioner operation control method for improving air distribution in a room, a computer readable storage medium and an air conditioner. An air conditioner unit starts aheating mode to operate, after the heating operation reaches a temperature point and stops, an inner fan operates according to a set rotating speed, environment temperature and operating time are detected in real time and analyzed, the rotating speed of the inner fan and the direction of an air guide plate are adjusted, and the air conditioner unit operates according to adjustment parameters andthen detects the environment temperature in real time. When the environment temperature meets the judgment condition, the air conditioner unit starts the heating mode to operate. After conventional heating shutdown, the operating parameters of the inner fan are adaptively adjusted by analyzing the environmental temperature data, so that the air distribution and the temperature field distribution of the room are improved, and the user experience comfort is greatly improved.
Owner:GREE ELECTRIC APPLIANCES INC
Special air conditioning system of gravity type heat pipe compound evaporative condenser for data center
InactiveCN104482687AMeet temperature and humidity requirementsOptimized airflow organizationRefrigeration machinesHeat pipe heat exchangerEngineering
The invention discloses a special air conditioning system of a gravity type heat pipe compound evaporative condenser for a data center. The special air conditioning system comprises a two-stage evaporative cooling and mechanical refrigeration combined air conditioning system and a gravity type heat pipe heat exchanger; the two-stage evaporative cooling and mechanical refrigeration combined air conditioning system is formed by a two-stage evaporative cooling and mechanical refrigeration combined air conditioning unit and an evaporative condenser through connection; the two-stage evaporative cooling and mechanical refrigeration combined air conditioning unit is connected with an air supply outlet through an air supply pipe, wherein the air supply outlet is formed in an overhead floor located in a large environment of the data center; the two-stage evaporative cooling and mechanical refrigeration combined air conditioning unit is connected with an air exhaust pipe through an air return pipe, wherein the air exhaust pipe is arranged in a data center ceiling; the data center ceiling is provided with an air return window which is connected with the air exhaust pipe through an air pipe; the gravity type heat pipe heat exchanger is arranged in a cabinet of a small environment of a data center machine. According to the special air conditioning system of the gravity type heat pipe compound evaporative condenser for the data center, the different temperature and humidity requirements of the large and small environment of a machine room can be met and the refrigeration effect can be improved and meanwhile the energy can be saved.
Owner:XI'AN POLYTECHNIC UNIVERSITY
Energy-saving air-supplementing ventilation cabinet
PendingCN111185455AImprove anti-interference abilityGuaranteed blowdown effectDirt cleaningEngineeringFume hood
The invention discloses an energy-saving air-supplementing ventilation cabinet, and belongs to the technical field of ventilation cabinets. The ventilation cabinet comprises an upper cabinet body, a lower cabinet body and an upper air-supplementing system, the top of the upper cabinet body is provided with a gas collecting hood connected with an exhaust fan through an exhaust pipe, an operation port of the upper cabinet body is provided with a perspective sliding door which can move in the vertical direction, and the rear side in the upper cabinet body is provided with a flow-guiding baffle; and the upper air-supplementing system comprises an upper air-supplementing fan, upper air-supplementing air pipes, an upper internal air-supplementing static pressure box and an upper external air-supplementing static pressure box, the upper external air-supplementing static pressure box and the upper internal air-supplementing static pressure box are both arranged at the top of the ventilation cabinet and located on the front side and the rear side of the sliding door correspondingly, the upper external air-supplementing static pressure box is an airtight cavity provided with an upper external air-supplementing opening in the bottom, the upper internal air-supplementing static pressure box is an airtight cavity provided with an upper internal air-supplementing opening in the bottom, and inner cavities of the upper external air-supplementing static pressure box and the upper internal air-supplementing static pressure box are connected with the upper air-supplementing fan through the upper air-supplementing air pipes correspondingly. Under the situation that the exhaust volume is smaller than that of a traditional ventilation cabinet, the overall blowdown effect of the ventilation cabinet can be ensured, and energy consumption is low.
Owner:江苏科仕达实验室环保科技有限公司 +1
Air conditioner control method and device, storage medium and air conditioner
ActiveCN111070998AOptimized airflow organizationPromote air circulationAir-treating devicesVehicle heating/cooling devicesAutomotive engineeringStart signal
The invention discloses an air conditioner control method and device, a storage medium and an air conditioner. The method comprises the steps of: obtaining the remote starting signal of the air conditioner; determining the starting mode, the operation mode and the operation parameters of the air conditioner according to the remote starting signal of the air conditioner, and adjusting the seat backof a seat in the automobile to be in a set state under the condition that the air conditioner is an automobile air conditioner; controlling the air conditioner to be started according to the determined starting mode; controlling the air conditioner to be turned off or controlling the air conditioner to operate according to the set energy-saving mode under the condition that the air conditioner operates according to the determined operating parameters in the determined operating mode until the indoor environment temperature of the indoor environment to which the air conditioner belongs reachesthe target temperature, and adjusting the seat back of the seat in the automobile to restore the original shape under the condition that the air conditioner is the automobile air conditioner. According to the scheme, the problems that after a user enters the automobile, the air conditioner is started to adjust the temperature in the automobile, and before the temperature reaches the target temperature, the comfort feeling of the human body is poor can be solved, and the effect of improving the comfort feeling of the human body is achieved.
Owner:GREE ELECTRIC APPLIANCES INC
All-element micro-module IDC machine room powered by high-voltage direct-current 2N
PendingCN110913645AReduce the number of power conversionsLow costServersCooling/ventilation/heating modificationsProcess engineeringElectric energy
The invention discloses an all-element micro-module IDC machine room powered by high-voltage direct current 2N. The system comprises a modular AC / DC high-frequency switch rectifier. The system comprises a modular DC / DC voltage conversion device, an ATS switching and alternating-current power distribution device, a set of integrated comprehensive sensing micro-module monitoring and a plurality of sets of IT cabinets and precision air conditioners, and two sets of direct-current intelligent power distribution units PDUs are arranged in each set of IT cabinets. By reducing the number of times ofelectric energy conversion, fully utilizing a high-efficiency refrigeration system of an outdoor natural cold source and optimizing airflow organization and through optimal granularity matching analysis, the equipment utilization rate in the links of power supply, refrigeration and the like is increased, the whole life cycle cost is reduced, and energy is saved by 10%-20% in the whole-year power supply link (which comprises IT equipment energy consumption).
Owner:CEEC HUNAN ELECTRIC POWER DESIGN INST
Drying surface parallel air supply type domestic fungus heat pump drying apparatus
ActiveCN105028611AEmission reductionIncrease profitFood processingFruits/vegetable preservation by dehydrationVena contracta diameterAir treatment
The invention discloses a drying surface parallel air supply type domestic fungus heat pump drying apparatus. The apparatus comprises an enclosing structure, a variable cross section air supply static pressure space, a drying area, a variable cross section air return static pressure space, an air treatment device, and an air supply main tube arranged at the upper portion of the enclosing structure, an air supply non-uniform orifice plate and an air return non-uniform orifice plate which are vertically arranged divide a space below the air supply main tube into the variable cross section air supply static pressure space, the drying area and the variable cross section air return static pressure space which are sequentially arranged along the airflow direction, and the air treatment device is arranged at the outer side of the variable cross section air supply static pressure space; and a group of air supply holes and a group of air return holes are arranged above each of layers of storage plates arranged in the drying area. Drying surface parallel air supply is adopted to improve the drying airflow distribution, so the uniformity and the stability of airflow in the drying surface are guaranteed, the drying efficiency is improved, and energy consumption is reduced.
Owner:NANJING NORMAL UNIVERSITY +1
Data center global energy consumption optimization-oriented airflow perception type virtual machine scheduling method
PendingCN112433807AReduce energy consumptionReduce generationProgram initiation/switchingResource allocationSimulationVirtual machine scheduling
The invention discloses a data center global energy consumption optimization-oriented air flow perception type virtual machine scheduling method, which comprises the following steps: firstly, modelingthe energy consumption of an air flow organization model, a data center server model and a network energy consumption model of a data center, and solving an overall model by using a simulated annealing algorithm in combination with the load request quantity of a virtual machine; and obtaining the virtual machine placement mode adaptive to the overall energy consumption of the current data center.Meanwhile, the utilization rate of the virtual machine is greatly changed in the execution process due to the uncertainty of task load during task execution, so that the constructed overall model andthe scheduling method are used for scheduling the virtual machine to reduce the operation energy consumption of the current data center. According to the method, virtual machine placement and scheduling are combined with the overall energy consumption of the current data center, on the basis of reducing the refrigeration energy consumption of the data center, the server and network energy consumption during the operation of the data center is further reduced, the generation of local hot spots is greatly reduced, and the operation reliability of the data center is improved.
Owner:JINAN UNIVERSITY
Method for placing and scheduling virtual machines of data center in airflow organization distribution mode
ActiveCN111124605AReduce energy consumptionReduce generationDigital data processing detailsEnergy efficient computingData centerSimulation
The invention discloses a method for placing and scheduling a virtual machine in a data center by using an airflow organization distribution mode, which optimizes the placement and scheduling of the virtual machine to reduce energy consumption of a refrigeration system under the condition of meeting the maximum execution cycle constraint specified by a user and the threshold temperature of a server. Overall modeling is carried out in combination with a data center airflow organization mode and combined with the load request quantity of the virtual machine. The model is solved by utilizing a simulated annealing algorithm to acquire a virtual machine placement mode adaptive to the current data center airflow organization. m=Meanwhile, when a task is executed, the utilization rate of the virtual machine may be greatly changed in different stages due to the uncertainty of the task load, so that the virtual machine is scheduled by using the model and the method to re-adapt to the current data center airflow organization distribution mode. Virtual machine placement and scheduling are combined with a current data center airflow organization distribution mode, the refrigeration energy consumption of the data center is reduced, and generation of local hot spots is greatly reduced.
Owner:JINAN UNIVERSITY
Automatic ash removing device of belt type sludge dryer and control method thereof
ActiveCN112209594AOptimized airflow organizationKeep a leaning stanceSludge treatment by de-watering/drying/thickeningDispersed particle filtrationControl systemSludge
The invention relates to an automatic ash removing device of a belt type sludge dryer and a control method thereof. The dryer comprises a box body, a mesh belt sludge conveyor and a control system, anair return port is formed in the side wall of the box body, the dryer further comprises the automatic ash removing device, and the automatic ash removing device comprises a filtering mechanism, a collecting mechanism, a mechanical shaker and a sensor. The collecting mechanism is located below the filtering mechanism and located above the mesh belt sludge conveyor, the mechanical shaker is used for driving the filtering mechanism to vibrate, and the sensor is used for starting or stopping the mechanical shaker. Changes of the filtering mechanism are monitored through the sensor, and the control system controls the mechanical vibrator to be started or stopped so that dust in the filtering mechanism is collected by the collecting mechanism. The maintenance frequency of the dust filtering device in the drying box is greatly reduced, the operation and maintenance cost is reduced, and the dust concentration in the drying box can be restrained at a low level for a long time.
Owner:GUANGDONG SHENLING ENVIRONMENT SYST CO LTD
Rail vehicle air conditioning supply and return air system
ActiveCN104228863BImprove the air environmentGood effectRailway heating/coolingAir conditioningReturn channel
Owner:CRRC NANJING PUZHEN CO LTD
Floor air supplying data center air conditioning system integrated with T-type tree-shaped air supplying pipeline system
ActiveCN108377631AOptimized airflow organizationOptimize structure layoutCooling/ventilation/heating modificationsEnergy efficient computingData centerTree shaped
The invention discloses a floor air supplying data center air conditioning system integrated with a T-type tree-shaped air supplying pipeline system. The floor air supplying data center air conditioning system comprises the components of a precise air conditioner, an elevated floor, server cabinets and a closed cold channel which are above the elevated floor, a T-type tree-shaped air supplying pipeline system, a variable-diameter pipe and an air conditioning air outlet pipe which are arranged below the elevated floor, and a floor air supplying diffuser which is arranged on the elevated floor.According to the floor air supplying data center air conditioning system, conditioning air is concentrated and distributed through the T-type three-shaped structured air supplying pipeline system; theserver cabinets are arranged according to the T-type tree-shaped structure of the air supplying pipeline system; and furthermore the cold channel is closed. The floor air supplying data center air conditioning system has advantages of realizing uniform air supplying to each server cabinet in a data center, reducing occurrence of local hot points of the cabinet, reducing air supplying resistance of the air conditioning system, and reducing energy consumption of the air conditioning system.
Owner:NANJING UNIV OF TECH
Cabinet type air conditioner indoor unit
PendingCN111435012AImprove energy efficiencyOptimized airflow organizationLighting and heating apparatusSpace heating and ventilation detailsAir velocityEngineering
The invention relates to a cabinet type air conditioner indoor unit. The cabinet type air conditioner indoor unit comprises a shell, a convection type heat exchanger and a fan; an air inlet is formedin the lower part of the shell; an air feeding port is formed in the upper part of the shell; the convection type heat exchanger is provided with an air flow convergence part and a convection heat exchange part, and is arranged in the shell; the air flow convergence part is a cylinder which has openings in two ends and extends in a vertical direction; the convection heat exchange part is arrangedon the inner side of the air flow convergence part, and is configured to generate heat or cold and transfer the heat or cold to the air which flows through the inner side of the air flow convergence part; and the fan is configured to at least promote an air flow to enter from an air inlet to the inner side of the air flow convergence part and to flow out from the air feeding port after exchangingheat with the convection heat exchange part. Air flow distribution of the convection type heat exchanger is optimized; the overflowing air velocity is improved; and the improvement of the energy efficiency of an air conditioner is promoted.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
Server heat dissipation system of server chip gravity type heat pipe
PendingCN111258402AFaster heat transfer responseTake advantage ofDigital data processing detailsEnergy efficient computingThermodynamicsServer
The invention relates to a server heat dissipation system of a server chip gravity type heat pipe. The server heat dissipation system comprises a server chip gravity type heat pipe heat dissipation unit, a cooling capacity distribution heat exchanger, a cooling unit and the like. The heat dissipation unit comprises a plurality of server chip gravity type heat pipe radiators. The radiators are tightly attached to the server chip and are provided with a liquid pipe and a gas pipe, and the heat of the server chip is absorbed by the server chip radiator which is in direct contact with the server chip; the liquid refrigerant entering the server chip radiator from the liquid pipe is heated and evaporated in the server chip radiator, and the gaseous refrigerant subjected to phase change enters the cooling capacity distribution heat exchanger unit through the air pipe for heat exchange and transfers heat to circulating cooling water in the cooling capacity distribution heat exchanger. The system has the characteristics of high heat exchange efficiency, low thermal resistance, no energy consumption, high heat exchange response speed, high reliability, no noise, the long service life and thelike; and through the combination of the chip-level cooling technology and the outdoor cooling unit, more reasonable and efficient heat dissipation is directly carried out on the server chip.
Owner:四川澄观节能环保科技有限公司
Energy consumption control method of cloud data center for burst load
ActiveCN113342460AImprove stabilityReduce energy consumptionProgram initiation/switchingResource allocationSimulationCloud data center
The invention discloses an energy consumption control method of a cloud data center for a burst load, which optimizes a placement method of a virtual machine to reduce the energy consumption of the data center on the premise of ensuring normal operation of the data center when the data center is in the burst load and meeting the delay requirement of a user. Overall modeling is carried out in combination with a data center airflow organization mode under the condition of considering the sudden load, and the model is solved by utilizing an improved simulated annealing algorithm in combination with the load request quantity of the virtual machine, so that a virtual machine placement mode adaptive to the current data center airflow organization is obtained; meanwhile, due to the fact that the arriving task load has uncertainty under the sudden load condition, misjudgment is prone to being generated in partial virtual machine placement algorithms, and therefore the model and the method are used for optimizing the virtual machine placement strategy to adapt to the arriving task load of the current data center. Virtual machine placement is combined with the task amount arrived by the current data center, the operation performance of the data center is guaranteed, and a virtual machine placement scheme is optimized.
Owner:JINAN UNIVERSITY
Vertical cabinet type air conditioner indoor unit
PendingCN111435010AImprove energy efficiencyOptimized airflow organizationLighting and heating apparatusSpace heating and ventilation detailsEngineeringConvection heat
The invention provides a vertical cabinet type air conditioner indoor unit. The vertical cabinet type air conditioner indoor unit comprises a shell, multiple radiation and convection type heat exchangers and an air supply device. An air inlet is formed in the lower portion of the shell, an air supply opening is formed in the upper portion of the shell, and the front portion of the shell comprisesa radiant panel. The radiation convection type heat exchangers are provided with radiation heat exchange parts and convection heat exchange parts, and are mounted in the shell, the radiation heat exchange parts are in cylinder shapes with openings in two ends and extending in the vertical direction, the radiation heat exchange parts are configured to absorb heat or cold from the inner wall faces thereof, and transmit the heat or cold to the radiant panel from the outer wall faces thereof, the convection heat exchange parts are arranged on the inner sides of the radiation heat exchange parts, are configured to generate heat or cold, transmit the heat or cold to air flowing through the inner sides of the radiation heat exchange parts and transmit the heat or cold to the inner wall faces of the radiation heat exchange parts, the radiation heat exchange parts are sequentially and coaxially mounted in the vertical direction, the air supply device is mounted in the shell, and is configured to at least prompt the air flow to enter the inner sides of the radiation heat exchange parts from the air inlet, and after heat exchange with the convection heat exchange parts, the air flow flows outof the air supply opening.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD
A heat pump drying device for edible fungus with parallel air supply on the drying surface
ActiveCN105028611BReduce energy consumptionKeep dryFood processingFruits/vegetable preservation by dehydrationVena contracta diameterAir treatment
The invention discloses a drying surface parallel air supply type domestic fungus heat pump drying apparatus. The apparatus comprises an enclosing structure, a variable cross section air supply static pressure space, a drying area, a variable cross section air return static pressure space, an air treatment device, and an air supply main tube arranged at the upper portion of the enclosing structure, an air supply non-uniform orifice plate and an air return non-uniform orifice plate which are vertically arranged divide a space below the air supply main tube into the variable cross section air supply static pressure space, the drying area and the variable cross section air return static pressure space which are sequentially arranged along the airflow direction, and the air treatment device is arranged at the outer side of the variable cross section air supply static pressure space; and a group of air supply holes and a group of air return holes are arranged above each of layers of storage plates arranged in the drying area. Drying surface parallel air supply is adopted to improve the drying airflow distribution, so the uniformity and the stability of airflow in the drying surface are guaranteed, the drying efficiency is improved, and energy consumption is reduced.
Owner:NANJING NORMAL UNIVERSITY +1
Evaporative cooling ventilating air conditioner system based on air diffuser and solar energy technology
PendingCN111288599AOptimized airflow organizationReduce energy consumptionEnergy recovery in ventilation and heatingMechanical apparatusCentral air conditioningSolar technology
The invention discloses an evaporative cooling ventilating air conditioner system based on an air diffuser and a solar energy technology. The system comprises a direct evaporative ventilating air conditioner unit, wherein the top of the direct evaporative ventilating air conditioner unit is provided with a solar energy unit; the direct evaporative ventilating air conditioner unit is also connectedwith square air diffusers positioned in each ward through an air duct; and a fresh air ventilator is arranged out of each ward. According to the evaporative cooling ventilating air conditioner systemdisclosed by the invention, the fresh air ventilator is combined with an evaporative cooling technology, the evaporative cooling ventilating air conditioner system is applied to hospital wards and can optimize air distribution in the wards, an indoor fresh air quantity is guaranteed through the fresh air ventilator, meanwhile, indoor air is filtered and purified, indoor comfort is met by low energy consumption, and a healthy treatment environment is provided for patients. Compared with a traditional central air conditioner system or a traditional mechanical refrigeration split-type air conditioner, refrigerant is not used, and energy saving and environment are realized.
Owner:XI'AN POLYTECHNIC UNIVERSITY
An air conditioner operation control method for improving air distribution in a room, a computer-readable storage medium, and an air conditioner
ActiveCN111089402BOptimized airflow organizationImprove the intelligence of heating operationMechanical apparatusLighting and heating apparatusRoombaProcess engineering
The invention provides an air conditioner operation control method, a computer-readable storage medium and an air conditioner for improving the airflow distribution in a room. The air conditioner unit starts to operate in the heating mode, and after the heating operation reaches the temperature point and stops, the internal fan operates at a set speed. The ambient temperature and running time are detected and analyzed in real time, and then the speed of the internal fan and the direction of the air deflector are adjusted. After the air conditioning unit operates according to the adjusted parameters, the ambient temperature is detected in real time. When the ambient temperature meets the judgment conditions, the air conditioning unit turns on the heating mode. After the conventional heating is shut down, the operating parameters of the internal fan are adaptively adjusted by analyzing the ambient temperature data to improve the airflow organization and temperature field distribution in the room, which greatly improves the comfort of the user experience.
Owner:GREE ELECTRIC APPLIANCES INC
Air conditioning equipment
PendingCN110748979AImprove heat exchange efficiencyImprove performanceLighting and heating apparatusAir conditioning systemsAir conditioningMechanics
The invention discloses air conditioning equipment. The air conditioning equipment comprises a shell, a heat exchanger and an air guide component, wherein an air inlet and an air outlet are formed inthe shell, and an exhaust channel enabling the air inlet to communicate with the air outlet is formed in the shell; the heat exchanger is arranged in the shell and is located on a circulation path ofthe exhaust channel; and the air guide component is located between the heat exchanger and the air inlet and guides an air flow flowing in via the air inlet to the heat exchanger. The air conditioningequipment is high in heat exchange efficiency.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD
Server cooling system combining server chip gravity type heat pipe and heat pipe back plate
PendingCN111278262AEasy to handleFaster heat transfer responseCooling/ventilation/heating modificationsThermodynamicsProcess engineering
The invention relates to a server cooling system combining a server chip gravity type heat pipe and a heat pipe back plate, which realizes server chip-level heat dissipation by arranging a gravity type heat pipe chip radiator in a data center, optimizes airflow organization, and avoids the phenomena of local high temperature and local heat island of a server cabinet caused by uneven airflow. Auxiliary heat dissipation is conducted through the heat pipe backboard heat dissipation unit, so the space utilization efficiency of the data center is effectively improved, more servers can be arranged,economic benefits are improved, and the purpose of saving energy is achieved. The server cooling system has the characteristics of high heat exchange efficiency, low heat resistance, low energy consumption, high heat exchange response speed, high reliability, low noise, long service life and the like; through the combination of a chip-level cooling technology and an outdoor cooling unit, more reasonable and efficient heat dissipation is directly carried out on the server chip; through the combination of a heat pipe backboard cooling technology and an outdoor refrigeration unit, more reasonableand efficient heat dissipation is directly carried out on other heat sources except the server chip.
Owner:四川澄观节能环保科技有限公司
Device with thermoelectric power generation and heat dissipation functions and thermoelectric power generation method
PendingCN112953307AImprove heat transfer effectLarge temperature differenceThermoelectric device with peltier/seeback effectGenerators/motorsHeat sinkHeat energy
The invention relates to a device with thermoelectric power generation and heat dissipation functions and a thermoelectric power generation method. The device with the thermoelectric power generation and heat dissipation functions comprises a high-temperature end heat conduction module, a low-temperature end heat conduction module, a short-distance thermoelectric power generation module and a long-distance thermoelectric power generation module, wherein the high-temperature end heat conduction module comprises a high-temperature end heat conduction layer and a heat dissipation fin group, the low-temperature end heat conduction module comprises a low-temperature end heat conduction layer, the short-distance thermoelectric power generation module is arranged in the heat dissipation fin group, and the long-distance thermoelectric power generation module comprises a hot end module arranged on the high-temperature end heat conduction layer and a cold end module arranged on the low-temperature end heat conduction layer. According to the invention, the thermoelectric power generation device and the rapid heat dissipation device are integrated, so that heat exchange can be enhanced through the heat dissipation fins while thermoelectric power generation is utilized, the heat dissipation effect is good, and instruments and equipment can be better protected; and the short-distance thermoelectric power generation module and the long-distance thermoelectric power generation module are arranged, so that thermal energy can be fully utilized to drive thermoelectric power generation, and the power generation efficiency is improved.
Owner:CHONGQING UNIV
Inlet and exhaust port structure and optimization method of low speed engine cylinder head
InactiveCN103573461BSpeed up the flowIncrease air velocityCylinder headsCylindersCombustion chamberCombustor
The invention discloses a low-speed engine cylinder cover air inlet and exhaust duct structure and an optimization method of the low-speed engine cylinder cover air inlet and exhaust duct structure. The center position of an air inlet and the center position of an air outlet are unchanged, only the diameter of an inlet pipe and the diameter of an outlet pipe are changed, namely, the diameter of an air inlet duct air inlet section, the diameter of an air inlet duct air outlet section, the diameter of an air exhaust duct air inlet section and the diameter of the air exhaust duct air outlet section are changed, an air inlet duct and an air exhaust duct are optimized through modeling, numerical simulation, model repairing, simulated analysis and other steps, air duct flow direction molded lines are smooth as much as possible, the diameter of the air inlet duct and the diameter of the air exhaust duct are reduced to reasonable numerical values, the flow velocity of air flowing through the air ducts is increased, the rolling flow ratio in a combustor is increased, and the combustion speed is increased.
Owner:重庆全景通用动力机械有限公司
Wall-mounted air conditioner with air supply at upper part and air return at lower part
PendingCN110454869AEasy to useImprove comfortMechanical apparatusCondensate preventionCold airEngineering
The invention provides a wall-mounted air conditioner with air supply at upper part and air return at lower part. The wall-mounted air conditioner comprises an air return port arranged on the lower side of the wall-mounted air conditioner and an air supply port arranged on the upper side of the wall-mounted air conditioner, so that air supply at the upper part and air return at the lower part areachieved; the air supply port adopts multi-leaf double-layer shutter air supply port and is the temperature sensing air port, cold air is automatically adjusted to be blown to the oblique up directionaccording to the temperature through an temperature sensing memory alloy when the air conditioner blows the cold air, and hot air is automatically adjusted to be blown to the oblique down direction according to the temperature through an temperature sensing memory alloy when the air conditioner blows the hot air; a fan is arranged on the upper side of the interior of the wall-mounted air conditioner and is adjacent to an air supply opening, a surface air cooler is arranged on the lower side of the interior of the wall-mounted air conditioner, chilled water or fluorine refrigerant is introduced into the interior of the surface air cooler, and a condensed water discharge outlet is formed in the bottom of the surface air cooler; and the air supply flow temperature of the wall-mounted air conditioner for refrigeration and heating is set to be 12-15 DEG C and 35-40 DEG C respectively, the air supply is blown to more than two meters, the flow rate of mixed air is reduced after the backflowtemperature of mixed air reaches 25-27 DEG C, and the mixed air flows through a personnel staying area.
Owner:CHINA IPPR INT ENG
Method for jointly controlling emission of NOx by utilizing multi-stage bias combustion and fuel reburning
ActiveCN101569829BAdvantages of enhanced controlWide adaptabilityCombustion using gaseous and pulverulent fuelCombustion using liquid and pulverulent fuelSlagEngineering
The invention belongs to the technical field of pulverized coal combustion, and discloses a method for jointly controlling the emission of NOx by utilizing multi-stage bias combustion and fuel reburning. The method comprises the steps: arranging a multi-stage bias burner containing 2 to 6 layers of bias burners in a multi-stage bias combustion area, sending 75 to 85 percent of fuel into the multi-stage bias combustion area, and generating flue gas containing the NOx during the combustion; spraying mixed reburning fuel of 15 to 25 percent of coal and biomass fuel into a mixed reburning area, forming a reburning reduction area, precipitating CHi and NHi active groups by the mixed reburning fuel in reducing atmosphere, and reacting the CHi and NHi active groups with the NOx generated in the multi-stage bias combustion area to be reduced into N2; and spraying the air into a burnout area, and completely combusting combustible substances which are not completely combusted. The method can efficiently control the emission of the NOx, ensure that the removal efficiency of the NOx is more than 80 percent, realize the combustion of high pulverized coal concentration, improve the performance of ignition and steady combustion, improve the adaptability of coal types, effectively prevent the slag bonding of water-cooled walls, and achieve the aims of improving boiler efficiency, saving energy and reducing consumption.
Owner:黄震
Installation method of a general-purpose subway wind pavilion anti-smoke short-circuit device
The invention discloses a universal-type flue gas short circuit preventing device for a subway ventilation pavilion. The device comprises a flue gas outlet, a fireproof cloth, at least four first telescopic casing pipes and a cuboid connecting frame which is composed of at least four second telescopic casing pipes, at least four springs and at least four support columns and used for being installed at an exhaust outlet of the ventilation pavilion in a matched mode; one end of each first telescopic casing pipe is fixed to one support column, and the other ends of the first telescopic casing pipes are connected to the flue gas outlet; the fireproof cloth is arranged in a space formed by the first telescopic casing pipes and the cuboid connecting frame and forms a flue gas exhaust channel together with the first telescopic casing pipes, the cuboid connecting frame and the flue gas outlet, and flue gas exhausted out of the exhaust outlet of the ventilation pavilion is induced to be directionally exhausted. The universal-type flue gas short circuit preventing device is reasonable in design and convenient to use and can effectively solve the flue gas short circuit problem that under the fire working condition, fire flue gas exhausted out of the subway ventilation pavilion massively spreads and invades a new subway ventilation pavilion and ground entrances and exits by serving as temporarily and additionally mounted equipment of the subway ventilation pavilion.
Owner:应急管理部四川消防研究所
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