778 results about "Air door" patented technology

The invention relates to the technical field of boiler combustion control, and discloses a boiler closed-loop combustion dynamic optimization control system based on big data, and the system comprises an intelligent sensing module which is used for obtaining and outputting time-synchronized monitoring data in real time; the edge calculation module is used for processing multi-source sensor data in real time, realizing data credible processing and combustion state feature coding, and executing local caching of working condition perception; the digital twin modeling module is used for constructing a combustion process dynamic model and realizing real-time prediction of a combustion state; the optimization control module is used for dynamically adjusting combustion parameters and achieving collaborative optimization of the air-coal ratio, the opening degree of a secondary air door and the over-fire air ratio; and the closed-loop execution module is used for executing and feeding back the control instruction and realizing transmission and closed-loop verification of the control instruction. The combustion efficiency can be improved, pollutant emission can be reduced, and the stability and safety of boiler operation can be enhanced.

The invention discloses a six-dimensional judgment intelligent operation and maintenance diagnosis method and system for an oil field gathering and transportation station yard, and belongs to the technical field of oil field gathering and transportation intelligent operation and maintenance. Comprising a data acquisition and single point location model establishment module, a six-dimensional analysis and judgment module, a six-dimensional fusion processing module and a feedback updating module, comprising flow, pressure, temperature, liquid level, water content, pump frequency / current, valve position / state position, furnace gas amount / air door and station control alarm position data in an oil field gathering and transportation station. According to the six-dimensional judgment intelligent operation and maintenance diagnosis method and system for the oil field gathering and transportation station, by integrating multi-link analysis, dynamic threshold adjustment, a closed-loop optimization mechanism and safety guarantee design, the problems that current diagnosis is poor in stability, insufficient in precision, weak in decision support and the like are solved; and reliable technical support is provided for efficient and stable operation of an oil field gathering and transportation station.

The application relates to a high-efficiency lift flapping wing, a dragonfly-imitating aircraft and an aircraft flight posture control method. The high-efficiency lift flapping wing comprises a flapping wing body and a plurality of one-way air door blades; a plurality of air vents are arranged on the flapping wing body, each one-way air door blade covers the air vent, and the one-way air door blade is used for allowing airflow to pass through the air vent in one direction. The high-efficiency lift flapping wing, the dragonfly-imitating aircraft and the aircraft flight posture control method have the advantages of high lift efficiency, reduced flapping wing burden, improved aircraft service life and stability.

The utility model provides a hopper of a grab ship unloader, which relates to the technical field of ship unloaders and comprises a hopper body, an opening is arranged at the upper end of the hopper body, a first wind blocking wall, a second wind blocking wall, a land side wind blocking door and a sea side wind blocking door are respectively arranged at the upper end of the periphery of the opening, and the sea side wind blocking door comprises a first door body and a second door body. One side of the first door body is connected with a first wind shielding wall, one side of the second door body is connected with a second wind shielding wall, a moving gap is formed between the first door body and the second door body, and first spraying assemblies are arranged on the side, close to the second door body, of the first door body and the side, close to the first door body, of the second door body correspondingly. The upper end of the first wind shielding wall is rotationally connected with a first sealing cover, the upper end of the second wind shielding wall is rotationally connected with a second sealing cover, and third spraying assemblies are arranged on the opposite sides of the first sealing cover and the second sealing cover. And through comprehensive closed design and comprehensive application of the spraying assembly, generation and flying of dust are remarkably reduced, and the working environment is improved.

The invention discloses a mining air volume monitoring and control system, which relates to the technical field of coal mine safety ventilation and comprises a plurality of intrinsically safe sensors, at least one group of intrinsically safe control boxes, a controller and a power supply, the GQQ5 smoke sensor is connected with the sensor through a flame-retardant communication cable for a coal mine or in an infrared correlation mode to realize data convergence and instruction issuing, and the at least one intrinsic safety type base station is connected with a ground control center through a communication optical cable to support TCP / IP protocol transmission monitoring data. Dust concentration response is dynamically analyzed in combination with the wind speed change trend, linkage control over wind speed and dust concentration is achieved, the opening degree of an air door can be automatically adjusted or a spraying device can be controlled according to the dust raising trend, the underground dust treatment effect is effectively improved, and the method has the advantages of being high in practicability and improving the automation level of ventilation dispatching.

The invention relates to the technical field of drying equipment, in particular to a vertical circulating fruit and vegetable drying machine with a heat recovery structure and a drying method. The vertical circulating fruit and vegetable drying machine with the heat recovery structure comprises a drying machine body, and a heat recoverer, a heater, a circulating fan and a drying chamber which are arranged in the drying machine body in the fresh air flowing direction; the heat recoverer is provided with a first air outlet used for exhausting waste gas. An inner circulation air door and an outer circulation air door are arranged on the side wall of the drying chamber and used for air outlet. The drying machine has the beneficial effects that key air doors such as the inner circulation air door, the outer circulation air door, the hidden push-pull air door and the second air outlet are arranged, the multiple air doors can intelligently switch three modes of total heat exchange, simple circulation and inner circulation according to high, medium and low humidity stages of the drying process, heat recovery and moisture removal balance is dynamically optimized, and the drying efficiency is improved. And the energy consumption is obviously reduced.

The invention discloses an intelligent monitoring and early warning warehouse for tea storage, and relates to the technical field of agricultural product storage monitoring and intelligent early warning. An acoustic respiration sensing array, a quantum dot gas mapping film and optical excitation imaging, long-wave infrared polarization insect trace detection, and an edge calculation and actuator cluster are integrated in the warehouse body; a limited scanning sector is triggered by acoustics first sense, a VOC / ammonia concentration heat map and a polarization disturbance heat map are obtained, graded early warning is output through time-space fusion consistency scoring, and low-energy-consumption zoning intervention is achieved through model prediction control cooperation dehumidification, air supply, cold plasma and a zoning air door. In cooperation with reference self-correction, channel health detection and fault-tolerant synchronization, a monitoring-decision-regulation-re-monitoring closed loop is formed, and mildew / insect pest early warning and traceable management are achieved under the condition that packaging is not damaged.

The invention provides a coal mine underground air door intelligent control method and system based on direct connection communication, and the method comprises the steps: when the number of a vehicle passing through an air door is single and the distance between the vehicle and the air door meets a first condition, the vehicle passes through the air door; a first message is sent to a direct connection communication roadway side device installed on a roadway side through a direct connection communication terminal device installed on a vehicle, wherein the first message comprises vehicle position information, speed information and passing request information containing a vehicle encrypted digital signature; the direct connection communication lane side equipment receives the first message, verifies the legality of the vehicle encrypted digital signature, and sends the vehicle position information and speed information passing verification to an air door controller; and generating an air door control strategy based on the vehicle position information and the speed information, and controlling an air door to execute opening or closing action based on the air door control strategy. According to the technical scheme, the control efficiency and accuracy are improved, and meanwhile automatic air door closing can be achieved in the dangerous case.

The invention belongs to the field of artificial intelligence, particularly relates to a multivariable self-optimization control coal mill agent operation method, and aims to solve the problems of variable coupling interference, parameter solidification lag and poor working condition adaptability in traditional control. According to the strategy, an attention mechanism-based LSTM dynamic model is constructed, and future states of six types of variables such as air volume and temperature are predicted; defining a weighted optimization function fusing powder making efficiency, energy consumption, wear and stability, and introducing a soft constraint to guarantee a safety boundary; an optimal control combination is searched on line every five seconds by adopting a depth deterministic strategy gradient algorithm, and the four-dimensional action space of an air door, a hot blast valve, a coal feeder and a grinding roller is covered; and triggering an incremental learning fine tuning model through residual feedback to prevent disastrous forgetting. According to the scheme, multivariable cooperation, online self-optimization and intelligent safety control under all working conditions are realized, and the dynamic response capability and the comprehensive operation efficiency of the coal mill are remarkably improved.

The invention relates to the technical field of coal mine ventilation control, and discloses a coal mine ventilation integrated control system based on intelligent scheduling. The system comprises an air door operation state monitoring module, a regional ventilation influence evaluation module and a global ventilation collaborative optimization module. The air door operation state monitoring module collects air door operation data such as air pressure, gas concentration, dust concentration, air speed and air door opening degree in real time through multi-source sensor arrays arranged on all air doors of a mine. The regional ventilation influence evaluation module performs abnormal influence quantitative evaluation on the independent ventilation region of the mine according to the real-time air door operation data to generate a regional influence identifier; and the global ventilation collaborative optimization module is combined with a mine topological structure, and performs global optimization calculation of a multi-air-door collaborative control strategy according to the regional influence identifier. The system achieves comprehensive perception, scientific evaluation and global cooperative control of the mine ventilation state, improves the operation efficiency of the ventilation system, guarantees the safety of underground operation of a coal mine, and is suitable for various coal mine ventilation scenes.

The invention discloses a thermal power plant boiler combustion control method and system, and relates to the field of boiler combustion system control technical equipment. By collecting control loop data of a boiler combustion system in real time, dynamic characteristics, stability and response efficiency of a loop can be analyzed through a multi-dimensional performance evaluation model (including six indexes of steady-state tracking performance, static tracking performance, maximum control deviation, steady-state error, over-limit time and comprehensive tracking performance); based on the evaluation result, the air-coal ratio, the oxygen amount set value and the over-fire air door opening degree are dynamically adjusted through a combustion linkage algorithm, and intervention correction is conducted on set values of loops such as superheat degree control, primary air, secondary air and the coal amount of a coal mill when the performance of the control loop is deteriorated; combining a least square support vector machine to predict NOx concentration and boiler efficiency; and finally, combustion optimization is realized through closed-loop control. The problems that traditional PID control lags behind and loop coordination is poor are solved, boiler efficiency is improved, and pollutant emission is reduced.

The invention discloses a control method for automatic air distribution of a garbage incinerator, which is applied to garbage incineration power generation equipment, and the garbage incineration power generation equipment further comprises a steam boiler and a steam turbine generator unit. The garbage incinerator comprises a drying section, a combustion section and a burnout section; each section comprises two furnace bodies which are communicated with each other; each furnace body is provided with two primary air inlets, the total number of the 12 primary air inlets is 12, and the air inlet flow of primary air is controlled through one primary air baffle; the automatic air distribution system automatically adjusts a primary air baffle through PID, so that each air chamber obtains the required air volume. By adopting the technical scheme, the labor intensity of operators is reduced; adjustment is carried out according to the garbage heat value and the actual combustion working condition, the air volume needed by each air chamber is obtained through calculation, the opening degree is automatically adjusted through the air door baffle PID, automatic air distribution of the garbage incineration grate furnace is achieved, and the garbage incineration efficiency is improved.

The embodiment of the present application provides a temperature adjusting method, a temperature adjusting system, a dryer and a controller for multiple dryers. Each dryer comprises a temperature adjusting mechanism, each temperature adjusting mechanism comprises a hot air door, the multiple dryers use a same heat source, and the temperature adjusting method comprises the following steps: determining a target drying temperature interval of a to-be-dried object in each dryer; in the process of starting the heat source to supply heat to the multiple dryers, acquiring the inlet temperature and the current drying temperature of the hot air door of each dryer in real time, so as to control the temperature adjusting mechanism to adjust the opening degree of the hot air door of each dryer, so that the current drying temperature is in the target drying temperature interval. The hot air is generated by the heat source, and the drying temperature required, the temperature after heat energy loss and the current drying temperature are used to realize accurate temperature control for each dryer. Therefore, heat energy is fully utilized, and the temperature adjusting method of one heat source corresponding to multiple dryers is realized.

The invention relates to the technical field of mining underground ventilation, in particular to a mining underground ventilation device which comprises a main exhaust pipeline, and an opening and closing air door is provided with blades through a shaft body. A supporting telescopic rod is installed on the inner wall of the branch pipeline, a moving frame is installed at one end of the supporting telescopic rod, a sliding groove is formed in the outer wall of one side of the moving frame, a sliding connecting rod is connected into the sliding groove in a semi-embedded mode, and one end of the sliding connecting rod is movably connected with one side of a blade through a pin shaft; a self-locking assembly is arranged between the fixed end of the supporting telescopic rod and the outer wall of one side of the movable frame, and through the arrangement of the self-locking assembly, automatic locking of the blades in the closed state is achieved through the adsorption effect of a magnetic suction plate on a connecting shaft body of a first connecting rod and a second connecting rod; the problem that the air door is opened accidentally due to the fact that a traditional thread or buckle fixing mode is prone to loosening under the impact of airflow is solved, and the sealing reliability and the operation safety of the air door under the complex working condition of a mining mine are remarkably improved.

The utility model provides a cleaning base station and a cleaning system, and belongs to the technical field of smart home, the cleaning base station comprises a frame body, a dust collection fan assembly and an air door assembly, an exhaust air duct is formed in the frame body, the dust collection fan assembly is arranged on the frame body, and an air outlet of the dust collection fan assembly communicates with the exhaust air duct; the air door assembly is arranged on the frame body and used for changing the communication state of the exhaust air channel and the air outlet of the dust collection fan assembly. According to the cleaning base station provided by the invention, when the dust collection fan assembly does not work, the air door assembly is closed, so that the exhaust air duct does not communicate with the air outlet of the dust collection fan assembly, a large amount of water vapor generated in the high-temperature mop washing process can be prevented from entering the upper space of the cleaning equipment through the exhaust air duct, and then the safety can be improved.

The invention discloses a refrigerator and a fault maintenance method of a defrosting heater of the refrigerator, n pieces of operation data of a refrigerating system are input into a trained fault diagnosis model to output a fault diagnosis result of the defrosting heater, whether the defrosting heater breaks down or not does not need to be checked in a manual troubleshooting mode, and the fault diagnosis efficiency is improved. The refrigerator fault can be automatically diagnosed in real time. Besides, when the fault diagnosis result is that the defrosting heater breaks down, the chamber temperature of the storage chamber is reduced to the preset lowest temperature, food materials are prevented from being damaged due to the fact that the temperature rises too high during defrosting, the refrigerating system is controlled to stop refrigerating, a refrigerating air door is opened, air blowing defrosting operation is conducted on the evaporator, and the refrigerating efficiency is improved. The intelligent defrosting mode is started after the fault of the defrosting heater is diagnosed, so that the refrigerator can be normally defrosted when the fault of the defrosting heater is diagnosed, and the stable operation of the refrigerator can be maintained.

The invention discloses an integrated stator disc type motor structure for a pesticide spraying unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicle power equipment. According to the scheme, the motor comprises an annular stator seat and a rotor seat which are coaxially arranged, and the middle parts of the stator seat and the rotor seat are communicated; the rotor seat is rotatably arranged outside the stator seat in a sleeving manner, an air guide groove is formed in the inner ring wall of the rotor seat, and air inlets are uniformly formed in the air guide groove; a driven air door valve is arranged in the air guide groove and comprises a valve plate, an elastic piece providing reset elastic force and a balance weight part. And the counterweight part is arranged on the valve plate, so that the valve plate can slide in the air guide groove to adjust the opening degree of the air inlet under the action of centrifugal force generated by rotation of the rotor seat and reset elastic force of the elastic piece. The centrifugal force generated by the ball at the tail end of the valve plate is balanced with the elastic force of the elastic piece, and the valve is closed at low speed to prevent dust and corrosion; and in high-speed and heavy-load conditions, the heat dissipation is enhanced by automatically turning on.

The invention discloses a fireproof partition system, method and device of a rail vehicle energy storage system and a medium, relates to the technical field of rail traffic, and provides the fireproof partition system of the rail vehicle energy storage system in order to solve the problem that an effective fireproof scheme is lacked in a space-first application scene of the rail vehicle energy storage system at present. Fireproof protection of the energy storage system is achieved through the air door arranged at the ventilation and heat dissipation air opening of the energy storage system, and the air door and the energy storage system hardly occupy extra space. And closing control over the air door is fused with an original fault processing mechanism of the train, additional control module arrangement is omitted, and occupied space is further reduced. Therefore, the system provides an effective protection scheme for the fire prevention problem of the rail vehicle energy storage system in a scene with extremely limited space. The energy storage system can be additionally arranged on the railway vehicle on the premise that the requirement of the railway traffic for the fireproof safety level is guaranteed.

The utility model relates to the field of automatic winding machines, in particular to an air suction cleaning device of an automatic winding machine, which comprises a supporting workbench, a winding machine body, a blanking funnel, an assembly limiting ferrule, a spiral fixing sleeve, a suction pipe and an air suction device, a discharging hopper is fixedly welded to the bottom end of the fixed assembling plate, an assembling limiting ferrule is fixedly installed in the L-shaped assembling plate, a spiral fixing sleeve is fixedly welded to one side of the assembling limiting ferrule, a suction pipe is rotationally installed in the spiral fixing sleeve, and an air suction device is arranged in the air door. The air suction opening and the air door are arranged at the bobbin yarn staying position of the assembly and are connected to a machine air suction device, during production, the air door is opened for primary air suction when the bobbin yarn falls down, sundries such as flyings and disordered threads are sucked into an air suction cleaning system, the air door is closed after the bobbin yarn falls down, the flyings or the disordered threads can be prevented from being brought out by sucked yarn heads or yarn tails, and the production efficiency is improved. Meanwhile, wind consumption can be reduced, and resource waste is reduced.

The utility model discloses a novel mechanical snap ring type air door interlocking device which comprises a first air door, a second air door, connecting baffles and an air door interlocking mechanism, and the connecting baffles are installed on the first air door and the second air door respectively. Door frames of the first air door and the second air door are each provided with one air door interlocking mechanism, and the air door interlocking mechanism at the position of the first air door is connected with the second air door through an interlocking rope and a telescopic spring; and the air door interlocking mechanism at the second air door is connected with the first air door through another interlocking rope and a telescopic spring. When one air door is opened, the other air door is completely in a locked state and cannot be opened, so that the air flow of a roadway is isolated or the air quantity passing through the roadway is limited.

Provided in the present application are an airflow adjustment device and method for a mine roadway. The device comprises: an airbag module, an inflation module, a fixing module, a main control module and a sensor module, wherein the airbag module is formed by means of joining a plurality of airbags; the inflation module is used for inflating and deflating the airbags; the fixing module comprises a first column, a second column, an upper guide rail, a lower guide rail and guide wheels; the left and right sides of the airbag module are respectively fixed to the first column and the second column to form an air door; the upper and lower sides of the airbag module are respectively fixed to the upper guide rail and the lower guide rail; the upper and lower ends of the first column are fixed to the left sides of the guide rails; and the guide wheels are mounted at both the upper and lower ends of the second column, such that the second column can be driven to move left and right along the guide rails, thereby driving the air door to open or close, and thus realizing ventilation or sealing of a roadway. The device in the present application can perform ventilation regulation and effective sealing on a mine roadway.

The invention relates to the technical field of vehicle control, in particular to an air conditioner control method and system and a vehicle. The method comprises the following steps: determining a target parameter value of a controlled parameter of an air conditioner in the vehicle based on a heating demand of a passenger compartment in the vehicle; wherein the controlled parameters comprise the evaporation temperature and the cold and warm air door opening degree; optimizing the target parameter value by using the control optimization model to obtain an optimized parameter value; controlling the air conditioner based on the optimized parameter value; wherein the control optimization model is obtained by training a target sample data set; the target samples in the target sample data set comprise the sample target parameter values of the controlled parameters, the passenger defrosting behavior caused after air conditioner control is conducted through the sample target parameter values and the sample optimization parameter values set for avoiding the passenger defrosting behavior, so that air conditioner control over the vehicle is more accurate, and meanwhile the control accuracy of the vehicle is improved. And the intelligence of air conditioner control is also improved.

The application provides a guide air structure and an air conditioner, and relates to the technical field of air conditioners. The guide air structure comprises a driving assembly, a shell and a guide air door. The guide air door comprises a rotating part and an air door which are connected with each other. Two mounting parts are protruded on the shell, and a mounting gap is formed between the two mounting parts. The rotating part is arranged in the mounting gap. The driving assembly is accommodated in the mounting part and is in transmission connection with the rotating part, so as to drive the guide air door to rotate relative to the shell. The mounting part protruded on the shell is used for accommodating and shielding the driving assembly. After the rotating part is mounted in the mounting gap, the driving assembly can normally drive the guide air door to rotate, the installation of the driving assembly is facilitated, the driving assembly is prevented from being exposed, and the service life of the driving assembly is prolonged.

The application discloses an asphalt mixture production equipment and a production method, and belongs to the technical field of asphalt production equipment. The equipment comprises a regeneration drying system, a primary drying system, an asphalt metering and conveying system, a mixture stirring system and the like; the mixture stirring system comprises a stirring cylinder, the stirring cylinder is connected with a stirring equipment negative pressure pipe in a communicating mode, a pneumatic air door is arranged on the stirring equipment negative pressure pipe; a regeneration tail gas conveying inlet pipe is connected to the tail gas outlet end of the regeneration drying system, the regeneration tail gas conveying inlet pipe is connected to the stirring cylinder, an adjusting air door one is arranged on the regeneration tail gas conveying inlet pipe; a regeneration tail gas conveying outlet pipe is further connected to the stirring cylinder, an adjusting air door two is arranged on the regeneration tail gas conveying outlet pipe, and a pressure detection device is further arranged on the stirring cylinder. In the asphalt feeding and stirring process, the opening degrees of the adjusting air door one and the adjusting air door two are adjusted and the air door is switched, so that the stirring cylinder is in a positive pressure state and a low-oxygen environment, and the volatilization of light components of asphalt is reduced.

The application discloses a control system and a control method for optimizing clinker cooling of a grate cooler, and aims to provide a control system and a control method for optimizing clinker cooling of a grate cooler, wherein the inside of a box body of the grate cooler is sequentially divided into multiple cooling sections according to the material flow direction, cement clinker formed after raw materials are calcined flows into the cooling sections of the grate cooler, air doors of each air cooling chamber of the cooling sections are sequentially opened to blow and cool the cement clinker, according to the air pressure and the temperature of the current cooling section, the high-pressure cooling air flow above the grate bed is opened or closed, the air pressure on both sides of the grate bed is adjusted, the cement clinker is conveyed through the grate bed in the box body from the feeding end of the grate bed to the discharging end to realize step-by-step blowing and cooling. The application automatically adjusts the air pressure on both sides in the cooling area, solves the problem that the air in the air-filled beam cannot blow through the cement clinker to form a “red river” phenomenon due to air leakage at a position with a thin material layer, and improves the clinker cooling efficiency.

The present disclosure provides a damper for a heating, ventilation, and air conditioning (HVAC) system, the damper including a damper frame defining an airflow path and configured to receive an airflow. The damper also includes a plurality of damper blades that extend within the airflow path and across a width of the damper frame. In addition, the damper includes a plurality of actuators. Each actuator of the plurality of actuators is configured to drive rotation of a respective damper blade of the plurality of damper blades.

The utility model discloses an intelligent automatic remote control device for a mine air door, which is applied to the technical field of mine air door control, facilitates real-time monitoring of the environment in a mine through a monitoring assembly, integrates data uploaded by the monitoring assembly through an intelligent analysis system, accurately evaluates the ventilation requirement in the mine, and improves the safety of the mine air door. Through integration of multiple sensors and data analysis, the system can provide comprehensive mine ventilation conditions, accurately judge opening, closing and adjusting requirements of the air door and reduce manual operation errors, motor operation is remotely controlled through the PLC, the motor drives the sealing door to rotate so that the air door can be opened or closed, manual operation of personnel is not needed, and convenience and rapidness are achieved.

The utility model discloses an air-conditioning system of a vehicle and the vehicle, and relates to the technical field of vehicles, the air-conditioning system comprises an air-conditioning host, an air-conditioning system, an air-conditioning system and an air-conditioning system, the first air duct is communicated with a first air supply outlet in the vehicle and a passenger compartment of the vehicle; the second air duct communicates with the outside-vehicle air supply outlet and is used for guiding air to the outside of the vehicle; the air door structure is movably arranged on the air conditioner main unit, selectively opens or closes the first air supply outlet in the vehicle, and selectively opens or closes the air supply outlet outside the vehicle. By arranging the second air duct on the air conditioning system of the vehicle to communicate with the air supply outlet outside the vehicle, warm air or cold air of the air conditioning host can be guided to the camping tent outside the vehicle, the interactivity of the camping tent and the vehicle is improved, the temperature in the tent can be adjusted and kept without externally connecting an air conditioner, the camping cost is reduced, and the camping efficiency is improved. And convenience and comfort of camping of passengers are improved.

The invention discloses an air door structure of an air outlet of an automobile air conditioner, the air door structure comprises an upper grid, a lower grid and air door blades, the air door blades are rotatably connected to the lower grid, the upper grid is provided with an air door anti-falling structure, by adopting the air door structure of the air outlet of the automobile air conditioner, the position limitation of a rotating shaft of the air door blades is realized, and the reliable installation of the air door blades is ensured. The invention further discloses an air door structure of the automobile air conditioner air outlet and an installation method.

The utility model provides an air door structure and a refrigerator, the air door structure comprises an air door opening and closing mechanism, the air door opening and closing mechanism is used for opening or closing an air door, the air door opening and closing mechanism comprises an adjusting assembly, the adjusting assembly is internally provided with an adjusting port used for being communicated with an air port so that air flow can pass through the adjusting port; the power mechanism is used for providing power for the air door opening and closing mechanism; the air door control mechanism detects the area of the adjusting opening and the air speed passing through the adjusting opening and drives the adjusting assembly to move according to the area of the adjusting opening and the air speed passing through the adjusting opening so as to adjust the air quantity entering the adjusting opening.