132 results about "Air change" patented technology

The utility model discloses an indoor air purification ventilation device relates to the fresh air system technical field, including the shell, and the shell is the half closed box formula structure of back open, and the shell inside is equipped with the face shell subassembly, and the shell is fixed with the backplate subassembly through the face shell subassembly connection, and the backplate subassembly vertical installation is fixed on the wall, and the backplate subassembly back upper side is equipped with the filter component, and the wall is equipped with the through -hole with filter component cooperation. The utility model discloses through the cooperation of face shell subassembly and backplate subassembly, the device forms semi -closed environment to be able to draw outdoor air through negative pressure environment, improves the practicality, realizes the ability of indoor ventilation, and then through the cooperation of backplate subassembly and filter component, the filter core is kept to the purification ability of device through the cooperation of backplate subassembly and filter component, improves the practicality, realizes the ability of quick replacement filter core, and finally solves the problem of existing equipment dismounting difficulty and filter core replacement difficulty.

1. Name of the product in this design: Blower (3010C). 2. Intended use of this design: for ventilation, air exchange, and air transport, etc. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This application relates to an air control system, an aircraft air control method, an aircraft, and a flight system. The air control system includes an oxygen supply module, an air exchange module, a pressure regulation module, a detection module, and a control module. The oxygen supply module includes an oxygen reservoir, an oxygen electronically controlled valve, and an oxygen pipe. The air exchange module includes an airflow control component for regulating the airflow introduced from outside the cockpit to the indoor air outlet. The pressure regulation module is used to regulate the cabin pressure. The detection module includes an oxygen concentration detector and a cabin pressure detector. The control module is configured to control at least one of the oxygen electronically controlled valve, the pressure regulation module, and the airflow control component based on the oxygen concentration and cabin pressure. The air control system of this application can reduce the complexity of the system and, at the same time, can adaptively adjust in various scenarios, improving the accuracy and comfort of oxygen supply.

The application provides an air conditioner load prediction method and device, electronic equipment, an air conditioner and a storage medium, and relates to the field of air conditioners. The method comprises the following steps: acquiring actual operation environment data of an air conditioner; wherein the actual operation environment data comprises a space occupancy parameter and a door and window operation parameter, the space occupancy parameter is used for indicating information that an object exists in a space where the air conditioner is located, and the door and window operation parameter is used for indicating information that a door and window in the space is opened or closed; encoding the actual operation environment data to obtain a first feature representation; and performing load prediction according to the first feature representation to obtain a predicted load of the air conditioner. Therefore, by capturing the main disturbance factors in the real operation scene of the air conditioner, including the space occupancy parameter reflecting the heat source distribution of objects such as personnel, equipment and pets in the space where the air conditioner is located, and the door and window operation parameter representing the opening and closing behavior or the ventilation intensity of the door and window, and performing load prediction after encoding the above parameters, the accuracy of air conditioner load prediction can be significantly improved.

The application discloses a refrigeration equipment and a defrosting control method and device thereof and electronic equipment, and the method comprises the following steps: acquiring indoor and outdoor environment parameters; determining the defrosting start-stop condition of a fresh air device according to the outdoor environment parameters; determining the target control strategy of the refrigeration equipment according to the indoor environment parameters, the outdoor environment parameters and the defrosting start-stop condition; wherein the target control strategy at least comprises a fresh air operation mode and equipment control parameters, and the fresh air operation mode at least comprises a defrosting mode and a non-defrosting mode; controlling the fresh air device to operate according to the fresh air operation mode, and controlling the air conditioning device to operate according to the equipment control parameters. The application can avoid the risk of condensation water generated at the fresh air outlet by detecting the difference between indoor and outdoor environment parameters, adjusting the fresh air operation mode and the equipment control parameters in real time, improving the ventilation and temperature adjustment effect, maintaining the indoor temperature and humidity comfort, and improving the user experience.

The utility model discloses a kind of fresh air ventilation devices, belong to air film building application technical field, including mainframe shell, outer rotor, center stator and movable vane, wherein, eccentric position rotation is provided with outer rotor in the inside of mainframe shell, outer rotor then has several movable vanes and is inserted, the end of movable vane and the inner wall of mainframe shell abut sliding and the inner wall of mainframe shell is smooth cambered surface, therefore, movable vane will be with outer rotor rotation and do telescopic motion, and surface dust is scraped by outer rotor.And mainframe shell bottom installs scissors support, for supporting mainframe shell, and scissors support can be folded to save storage space.And end cap is set in the top of mainframe shell, and installs electric control box, the tail end of center stator is fixedly set on end cap, and is connected with electric control box circuit, the first end of center stator is inserted in the center of outer rotor, wherein, center stator power generation rotates magnetic field, thus to promote outer rotor rotation, to drive airflow flow.

This utility model discloses a rainproof power supply box for mountain disaster monitoring, comprising a main body, a sealing mechanism, and a ventilation mechanism. The sealing mechanism includes a connecting door, a mating door, a first spring, and a limiting frame. The ventilation mechanism includes a fan, a mounting bracket, a mounting frame, a filter pad, and auxiliary components. The auxiliary components include a ventilation component, an air outlet component, a second spring, rollers, and a locking block. With the cooperation of the above mechanisms, the pull-out door design of this device can ensure that the interior of the power supply box is completely sealed, preventing external rainwater, dust, mud, etc. from entering the equipment. In addition, this device can regularly replace the air inside the power supply box, which can effectively avoid the accumulation of humid gas and prevent mold, corrosion, or electrical failures caused by excessive moisture inside the equipment.

The invention relates to a ventilation device, in particular to a heat recovery ventilation device. A ventilation device according to an embodiment of the present invention comprises: a housing having a corner space formed at a corner of a portion into which outdoor air or indoor air flows, the corner space being an open space; an electric heat exchanger which is disposed inside the housing and exchanges heat between outdoor air and indoor air; and a flange panel coupled to the corner space of the housing so as to be able to change the direction in which outdoor air or indoor air flows. According to the invention, the connection direction of the pipeline can be changed.

The application belongs to the technical field of building ventilation, and particularly relates to a building energy-saving ventilation equipment, which comprises a sewage vertical pipe and a sewage elbow pipe, the sewage elbow pipe is communicated with the sewage vertical pipe, an elastic air bag is fixedly installed on the vertical part of the sewage elbow pipe, the elastic air bag is arranged in a ring shape, an air suction pipe is fixedly inserted into the side wall of the sewage elbow pipe and communicated with the elastic air bag, an insulation machine cylinder is fixedly inserted into the side wall of the sewage elbow pipe and communicated with the elastic air bag. The building energy-saving ventilation equipment can automatically ventilate according to the type of excrement, is beneficial to energy saving and consumption reduction, the ventilation position is located around the closestool or squatting pan, the peculiar smell generated by the excrement can be timely dissipated, the temperature change in the toilet caused by ventilation and air exchange can be effectively reduced, the excrement blockage can be assisted to be discharged, the excrement can be automatically timely flushed, and the ventilation and air exchange in the toilet can be ensured to be timely.

The utility model relates to the technical field of breeding, specifically is a kind of breeding house ventilation device, including the fixed setting of ground breeding house still include air exchange mechanism and swing mechanism, air exchange mechanism includes fan, sliding assembly, and the inside of breeding house is set to sliding assembly, and fan is fixedly set on breeding house, swing mechanism includes swing plate, rotating assembly and transmission assembly, and transmission assembly is fixedly set on sliding assembly, and swing plate is fixedly set on transmission assembly, and the rotation of motor is controlled by controller, drives screw rod to rotate, makes sliding platform move under the action of screw rod, drives fan to move ventilation inside breeding house, carries out even ventilation inside breeding house, prevents the poor ventilation caused by the gathering of breeding object in one place.

The ventilation device (4) with humidity control function of the present invention includes a humidity control device (6) for humidifying or dehumidifying the supply airflow (15) and a control unit (8) for controlling the operation of the humidity control device (6). The control unit (8) is configured such that when controlling the relative humidity of the room to approach the target humidity, if the room temperature is above a first reference temperature and below a second reference temperature, a first control is performed to use the relative humidity of the room to approach the target humidity; and when controlling the relative humidity of the room to approach the target humidity, if the room temperature is below the first reference temperature or above the second reference temperature, a second control is performed to use a calculated relative humidity determined by setting the room temperature change to a third reference temperature between the first reference temperature and the second reference temperature to approach the target humidity.

This utility model belongs to the technical field of underground chambers, specifically disclosing an environmental control system for an underground enclosed electrical chamber. The system includes a fireproof partition door and a sealed partition wall between the electrical chamber and the tunnel. The sealed partition wall has an air inlet channel at the bottom and an air outlet channel at the top. A cyclone separator and an axial flow fan are respectively located on the tunnel side near the sealed partition wall. The air outlet of the cyclone separator is connected to the air inlet channel, and an electrostatic precipitator is installed inside the air inlet channel. The inlet of the axial flow fan is connected to the air outlet channel. This utility model provides air inlet and outlet channels at the top and bottom of the sealed partition wall. A cyclone separator is installed at the front end of the air inlet channel to remove large dust particles, and an electrostatic precipitator is connected in series at the rear end of the cyclone separator to adsorb small dust particles. Simultaneously, an axial flow fan is installed in the air outlet channel for forced ventilation, thereby ensuring a low-dust, temperature-appropriate environment within the electrical chamber. It features a simple structure, good dust prevention effect, energy saving, and automatic control.

The application discloses a kind of ventilation parameter processing method and system for the whole world water-rich karst tunnel small section multi-shaft, comprising the following steps: determining small section shaft clearance diameter D And single well ventilation capacity, and determine the upper limit of main hole design wind speed to obtain the maximum wind capacity of main hole;Select control need air volume index, calculate the air volume and establish relative index, determine the critical distance L 1 when relative index reaches limit value L First exhaust shaft is arranged near L 1 And downstream air supply shaft constitutes "one exhaust one supply" ventilation unit, according to different section relative index check and iterative arrangement of multiple groups of shafts form shaft group, so that downstream available air volume meets the next partition air volume.The application replaces the traditional large-diameter ventilation shaft by adopting small-section shaft group suitable for mechanized construction, which can reduce the construction risk of shaft in the whole water-rich karst section, reduce the exposure of underground personnel, and improve the engineering applicability and construction safety.

The utility model discloses a factory roof structure, including roof assembly unit, it sets up along the first direction of factory roof, the quantity of roof assembly unit is multiple, and multiple roof assembly units are connected in proper order along the second direction of factory roof and form factory roof structure, roof assembly unit includes first roof layer, second roof layer, exhaust end and air inlet end, first roof layer is close to the setting of house, and second roof layer is close to the setting of house, air inlet end is formed on first roof layer, and air inlet end is communicated with the house, exhaust end is formed on second roof layer, and exhaust end is communicated with the house, and the air in the house flows to exhaust end and is discharged outside the house along the airflow passage formed between first roof layer and second roof layer from air inlet end, the utility model provides a kind of factory roof structure can be applied to the repair of existing factory roof, without affecting the staff work in factory, it can also be applied to the establishment of new factory, improve the ventilation of factory indoor and outdoor.

1. Name of the product in this design: Exhaust Fan (Ultra-thin AX1012HTR). 2. Purpose of this design: for ventilation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This application discloses an inverter and its control method, belonging to the field of inverter technology. The inverter includes: a housing, with a control unit disposed inside the housing; a ventilation structure including: a ventilation assembly disposed in the housing, the ventilation assembly comprising a body and a cover; the body having an exhaust port, the cover covering the exhaust port; and a power assembly disposed in the housing and connected to the cover; the power assembly is electrically connected to the control unit to drive the cover to open or close the exhaust port under the control of the control unit. Thus, when the inverter needs ventilation, the exhaust port is opened, putting the ventilation structure in an open state; when ventilation is not required, the exhaust port is closed, putting the ventilation structure in a closed state, preventing moisture and polluting gases from entering the inverter.

This utility model discloses an air exchange and filtration device for air conditioning in engineering machinery, including a shell structure. An internal circulation structure is installed on the surface of the shell structure. The shell structure includes an outer shell serving as the main body, with a through groove extending through its surface. A magnetic strip is fixedly installed above the through groove. A connecting hole for easy connection of a bearing is provided above the outer shell surface. The inner ring of the connecting bearing is rotatably connected to one end of a connecting rod, while the other end of the connecting rod is fixedly installed to a rotating connecting plate. A convex block is fixedly installed on the surface of the rotating connecting plate, and the convex blocks are arranged symmetrically. The internal circulation structure includes an internal circulation filter body serving as the main body, with a concave block fixedly installed on its surface. A limit block is fixedly installed inside the concave block. This air exchange and filtration device for air conditioning in engineering machinery achieves a matching connection through the connecting bearing.

This utility model discloses a portable disinfection negative pressure chamber, belonging to the field of outdoor equipment technology. It includes a cuboid frame assembled from multiple air columns, the frame being a modular and detachable structure. An outer cover is provided around the frame, with an openable curtain connected to one side. Ventilation vents are located on the upper and lower parts of the left and right side walls of the outer cover, with breathable fabric installed inside each vent. A window for covering the ventilation vents is installed on the outer wall of the outer cover. An exhaust vent is located on the side wall of the outer cover, and a ventilation fan corresponding to the exhaust vent is installed on the inner wall of the outer cover. This portable disinfection negative pressure chamber achieves efficient exhaust of stale air and air circulation regulation, ensuring clean indoor air. The inclusion of ultraviolet lamps and air filter cloth enhances disinfection and air filtration capabilities, providing a safe and hygienic environment for outdoor showering, changing clothes, and aseptic dressing changes for patients.

The utility model relates to high -rise building escape passage technical field discloses a kind of high -rise building escape passage smoke gas backflow guiding device, including first air pipe, the top and bottom of the first air pipe are respectively connected with connecting air pipe and passage air pipe, and the top of the connecting air pipe is connected with second air pipe, by setting switchable air guiding passage and matched fan, ventilation and air change between building interior and escape passage are realized under normal circumstances, airflow path leading to evacuation passage can be automatically closed under emergency such as fire, prevent smoke gas backflow, and smoke gas is quickly guided to building exterior and discharged, effectively improve high -rise building fire evacuation safety;Meanwhile, the device is equipped with synchronous driving's scraper cleaning mechanism, can automatically clean filter plate, avoid dust accumulation to influence smoke exhaust efficiency, ensure long-term stable operation of system.

The utility model discloses a kind of adjustable air volume air exchange port devices for outer wall embedded installation belong to building outer wall ventilation technical field, including main body shell, detachable shell panel, air duct, replaceable filter module and internal diffusion type air duct.Filter module is composed of activated carbon filter and allergen filter, with multiple purification function, effectively filter PM2.5, pollen and harmful gas.The device is also provided with negative ion sheet, further improve air purification effect, internal diffusion type air duct uses guide vane or honeycomb structure, avoid cold wind direct blow, improve comfort.In addition, the device is equipped with air volume adjusting mechanism, and the air exchange amount can be flexibly controlled according to requirements.The overall design is convenient to maintain, air-tightness is good, suitable for a variety of building environment.

The utility model discloses a kind of air spring dustproof exhaust structure, air spring, suspension and vehicle, including mounting seat, at least one dustproof exhaust passage is opened in mounting seat, dustproof exhaust passage includes at least two intercommunicating air chambers, the input end and output end of dustproof exhaust passage are located on two air chambers respectively.In the utility model, by setting the output end and input end of dustproof exhaust passage on two air chambers, the air exchange path that can form circumferentially zigzag, avoid the direct exhaust of gas, make the proportion of dust and silt contained in gas that air spring absorbs and exhausts reduce, prevent dust and silt from being sucked into air spring interior, i.

The application provides an aerosol generating device, which comprises a shell, an atomizer and a first air channel. The top of the shell is provided with a first through hole. The atomizer is arranged in the interior of the shell and comprises a heating tube and a heat insulation tube. The interior of the heating tube forms a heating cavity, and the heat insulation tube is sleeved on the outside of the heating tube. The first air channel is formed in the gap between the inner wall of the heat insulation tube and the outer wall of the heating tube. The air inlet end and the air outlet end of the first air channel are respectively communicated with the first through hole and the heating cavity. Since the first air channel is formed between the heating tube and the heat insulation tube, air can be used for heat insulation, and heat conduction to the shell is reduced. When a user sucks the aerosol, cold air outside will enter the shell through the first through hole, then flow through the first air channel into the heating cavity, so that the heat in the first air channel is transferred to the heating cavity to heat the aerosol product. At the same time, the first air channel is also ventilated and cooled, heat conduction to the shell is reduced, and the temperature of the surface of the shell is thus reduced.

The utility model relates to outdoor cabinet technical field discloses an air path structure of outdoor cabinet, including cabinet, the upper end surface of cabinet is provided with mounting hole, the air exchange component is embedded in mounting hole, including the air exchange support, the air exchange support is provided with the air exchange hole, the bottom of air exchange support corresponds the air exchange fan of air exchange hole and is provided with, the upper end surface of air exchange support is provided with a plurality of pressure riveting stud, and the top of pressure riveting stud is connected with locking screw, and pressure riveting stud is equipped with the air exchange cover, and the air exchange cover is connected with pressure riveting nut through the sliding hole and slides, the structure that the air exchange cover and pressure riveting stud are connected through the sliding hole and slide, make the air exchange cover can open and close automatically, when the air exchange fan is electrified, under the action of airflow, the air exchange cover is blown up and provides effective ventilation, reaches the effect of air exchange, and when the fan is powered off, the air exchange cover falls back to the original position automatically due to the action of gravity, tightly seals, prevents the dust and water vapor of external environment from entering the cabinet, improves the protective property and stability of equipment in the cabinet.

This invention discloses a mushroom-shaped chamber with uniform air supply and ventilation, relating to the field of mushroom-shaped chamber technology. It includes a reciprocating moving assembly comprising a reciprocating lead screw rotatably connected along the length of the chamber and a first motor driving its rotation; a reciprocating moving block is threaded onto the reciprocating lead screw; a lifting mechanism fixedly connected to a mounting plate near the planting rack of the reciprocating moving block; a wave-shaped curved panel horizontally fixed along the length of the chamber; a lifting plate slidably connected to the mounting plate; and an atomizing air supply assembly comprising a hollow shaft rotatably connected to the lifting plate near the planting rack; the hollow shaft is driven by a second motor; an atomizing actuator is mounted at the end of the hollow shaft away from the lifting plate; and fan blades are also provided on the hollow shaft. This invention, through horizontal reciprocating and up-and-down wave-like movement, allows air supply to cover the entire space, eliminating atomization dead zones. The fan blades rotate with the nozzles, delivering water mist and fresh air deep into the planting rack and accelerating air circulation.

The air conditioner of the embodiment of the present application is an air conditioner including an indoor unit and an outdoor unit, and has an air exchange duct and a fan (1st fan). The air exchange duct connects the inside of the outdoor unit and the inside of the indoor unit. The fan (1st fan) sucks outdoor air (Aout) into the outdoor unit, and delivers the sucked outdoor air (Aout) to the indoor unit via the air exchange duct. In this air conditioner, the air exchange duct has a through hole (92b) at the lowermost portion of the air exchange duct.