1189results about "Ventilation arrangement" patented technology

The present invention relates to the technical field of building walls, and discloses a pressure relief explosion-proof wall structure, including an embedded box embedded in the wall, an outer sealing plate is rotatably provided on the left side plate of the embedded box, and a slide plate is slidably provided on the right side plate, an inner sealing plate corresponding to the outer sealing plate is rotatably provided on the slide plate, and a connecting rod is rotatably connected between the outer sealing plate and the inner sealing plate; an extension plate is integrally provided at the end of the slide plate, and a limit plate is elastically slidably inserted on the embedded box. The present invention can achieve a pressure relief effect to reduce the probability of damage to the wall and the effect of personal injury, and can also keep the outer sealing plate and the inner sealing plate in an open state when there is no explosion risk and ventilation is required, so as to achieve indoor ventilation and play the role of a ventilation window, thereby eliminating the setting of the ventilation window in the prior art, reducing the number of reserved installation openings in the wall, and enhancing the strength of the wall.

The invention provides a smart home door and window control system, which is applied to the technical field of doors and windows, and realizes the combination of hardware and software of smart doors and windows through the integration of a door and window hardware structure and a control software structure. A signal acquisition module is arranged to be connected with an internal control end and an external port of the system to obtain user command information, door and window state information and external environment information; various standard data information is fused through the data processing module; and the data decision-making module executes weighted operation to generate control information, so that intelligent control on door and window hardware is realized. Therefore, the intelligent household door and window control system realizes the control function of intelligent electric door and window products and other whole-house intelligent household appliances, and has the advantages of unified communication protocol, realization of multi-source data fusion, improvement of control decision intelligence, enhancement of system security and privacy protection.

The invention relates to the technical field of assembly type machine rooms, in particular to an assembly type machine room based on a ventilation and heat dissipation processing mechanism. The computer room comprises a computer room body, ventilation windows are formed in the two sides of the computer room body, an exhaust fan is arranged at the top of the computer room body, and a rainproof assembly is arranged on one side of each ventilation window. As the sponge mat has an adsorption effect on liquid, rainwater can be prevented from entering the machine room body to cause damp damage to equipment, the service life of the equipment is prolonged, as the through holes are formed in the surface of the sponge mat, the ventilation window does not need to be closed, and external air enters the machine room body through the ventilation window after passing through the through holes; heat in the machine room is taken away in the air circulation process, and the heat dissipation effect of the machine room is improved.

Disclosed in the present application is a curtain wall ventilation structure, comprising a glass outer wall, a bottom surface perforated aluminum plate and a vertical surface perforated aluminum plate, wherein the glass outer wall is arranged outside a building body, and is obliquely arranged from top to bottom towards an inner side of the building body, the glass outer wall is sequentially provided with a plurality of inwards-concave portions which are concavely arranged towards the building body from top to bottom, and the adjacent inwards-concave portions are in mutual communication by means of an inner side wall of the glass outer wall. The bottom surface perforated aluminum plate is arranged on an upper wall of each inwards-concave portion, and the bottom surface perforated aluminum plate is in communication with the interior and the exterior of the building body. The vertical surface perforated aluminum plate is arranged on a side wall of a vertical surface of each inwards-concave portion, the vertical surface perforated aluminum plate is obliquely arranged from top to bottom towards the inner side of the building body, and the vertical surface perforated aluminum plate is in communication with the interior and the exterior of the building body. The present application is used for solving the technical problems of an existing curtain wall ventilation structure having poor rainwater prevention performance, poor flatness and low safety, and needing to achieve ventilation by means of mechanical equipment.

The artificial intelligent fireproof smoke exhaust window comprises a ventilation window body, a window sash is arranged on the right side of the ventilation window body, fireproof sound insulation glass is installed in the window sash, the bottom end of the window sash is hinged to the bottom end of the right side of the ventilation window body, and a driving assembly is arranged between the window sash and the ventilation window body; a smoke exhaust assembly used for exhausting smoke outwards is arranged between the upper end of the ventilation window and the window sash. The driving assembly and the smoke exhaust assembly are arranged between the ventilation window and the window sash, the smoke alarm, the temperature sensor and the equipment box are arranged on the right side of the ventilation window, the equipment box can receive signals transmitted by the smoke alarm and control the electric telescopic rod to be started, and the electric telescopic rod drives the window sash to be opened; and meanwhile, in the opening process of the window sash, a T-shaped groove, a T-shaped block and a guide block can drive a movable plate to be overturned and opened, so that a fan corresponds to an exhaust channel, the fan exhausts smoke, the smoke exhaust effect is improved, and safety accidents are avoided.

The invention relates to the technical field of metro platform screen doors, in particular to a novel particulate matter-preventing energy-saving metro platform screen door with an adjustable tuyere, which comprises a metro platform, and a plurality of left-side perforated platform screen doors and right-side perforated platform screen doors are fixedly mounted on two sides of the metro platform respectively; a rotating mechanism is movably connected to one side of each shielding door with holes in the left side and one side of each shielding door with holes in the right side, an automatic control system is fixedly connected to one side of one shielding door with holes in the left side, and a left tunnel and a right tunnel are correspondingly arranged on one side of each shielding door with holes in the left side and one side of each shielding door with holes in the right side. The automatic control system adjusts the angle of the rotary baffle and closes the holes in the shielding doors on the two sides through a control circuit, on one hand, the filter screen can filter out coarse particles, on the other hand, the shielding doors can block fine particles such as PM2.5, and therefore dispersion of the particles in the tunnel into the platform is reduced, and in summer, due to the fact that the holes of the shielding doors are closed, the shielding doors can not be blocked. The loss of cold air in the platform into the tunnel is reduced, and energy is saved.

The utility model relates to the technical field of load box waterproofing, in particular to a waterproof louver convenient to disassemble and assemble, which comprises a metal support frame and a plurality of rain-shielding blades formed by bending metal plates, the support frame comprises two support plates which are oppositely arranged, the rain-shielding blades are independently and detachably fixed between the two support plates, and the rain-shielding blades are fixed between the two support plates. Each rain shielding blade sequentially comprises a transverse extending part transversely extending to the middle of the supporting frame, a vertical extending part vertically arranged on the rear side of the supporting frame, an inclined part extending to the front side of the supporting frame and a rain shielding part vertically arranged on the front side of the supporting frame, and the vertical extending part of the previous rain shielding blade is aligned with the inclined part or the rain shielding part of the next rain shielding blade; a heat dissipation channel is reserved between the rain shielding blades, and an air outlet channel is reserved between the rain shielding parts of every two adjacent rain shielding blades. Compared with the prior art, when part of the rain shielding blades are damaged, the parts of the rain shielding blades can be correspondingly detached and replaced. In addition, the rain sheltering part and the transverse extending part play a double rain sheltering role, and rainwater is prevented from splashing into the load box from the louver.

The invention belongs to the technical field of curtain wall structures, and discloses a composite curtain wall structure suitable for a zero-carbon building, which comprises an inner side curtain wall and an outer side curtain wall. The inner side curtain wall is arranged on the building body and provided with a ventilation opening, an opening fan is arranged at the ventilation opening and can open or close the ventilation opening, the outer side curtain wall is connected to the inner side curtain wall, a ventilation cavity is formed between the outer side curtain wall and the inner side curtain wall, when the opening fan is opened, the ventilation cavity is communicated with the indoor space through the ventilation opening, and the outer side curtain wall is provided with an air inlet and an air outlet. The air inlet and the air outlet are both configured to be selectively opened or closed, and the ventilation cavity can communicate with the outside through the air inlet and the air outlet. By means of the arrangement, the composite curtain wall structure suitable for the zero-carbon building can flexibly adjust the ventilation mode, and energy consumption and carbon emission of the building can be reduced.

The utility model relates to the technical field of building curtain walls, and discloses a double-layer ventilation energy-saving curtain wall which comprises an outer-layer glass curtain wall body and an inner-layer glass curtain wall body, the common top end and the common bottom end of the outer-layer glass curtain wall body and the inner-layer glass curtain wall body are each provided with a ventilation box, and ventilation openings are formed in the side walls, facing the indoor space and the outdoor space, of each ventilation box. A plurality of ventilation boxes are arranged in the outer-layer glass curtain wall and the inner-layer glass curtain wall, a blocking piece used for blocking the ventilation opening is arranged in each ventilation box in a sliding mode, a hollow cavity is defined by the two ventilation boxes, the outer-layer glass curtain wall and the inner-layer glass curtain wall, the ventilation boxes communicate with the hollow cavity, and a cleaning assembly used for cleaning the opposite side walls of the outer-layer glass curtain wall and the inner-layer glass curtain wall is further arranged in the hollow cavity. The double-layer curtain wall has the effect of improving the convenience of cleaning the air buffer layer in the double-layer curtain wall.

A construction thermoacoustic partition to isolate areas from external or internal environments, refrigeration, and vehicles. The partition consists of a frame with airtightly glued insulating panels, transparent or not. If glass pane, frame, and panels are glued, they create an airtight chamber where pressure, light and solar tracking sensors are located. In its internal perimeter it has photovoltaic cells and a blind whose sheets are photovoltaic cells that make it self-sufficient in energy. The profile of the frame has channels to circulate air, where electric resistance is located, which in winter raises the temperature of the panel edges, in another, fans, temperature sensors, micro-pump, wires and reinforcements are located. The horizontal planes that create these channels have coextruded thermoacoustic bridges. It has a microprocessor with automatic or digitally modified instructions, with voice and remotely, so that components act in real time, depending to changes in the environment, which can be with Artificial Intelligence.

A shutter panel includes a frame, and a louver coupled to the frame for rotation about a longitudinal axis across a given angular travel range of the louver. The shutter panel also includes a louver closure assembly operable to automatically rotate the louver into a closed position when the louver is moved into a specific angular range of louver positions within its angular travel range. For instance, in an exemplary implementation, the louver closure assembly is configured to linear translation into rotational movement of the louver.

The invention relates to the technical field of ventilation windows, and discloses an electric airtight shielding ventilation window which comprises a shutter assembly, a ventilation assembly, an electric control assembly and an auxiliary maintenance assembly, the shutter assembly is located on the front side of the ventilation assembly, and the electric control assembly and the auxiliary maintenance assembly are located in the ventilation assembly. The auxiliary maintenance assembly is located on the rear side of the electric control assembly. The sealing frame is matched with the window plate, the sealing performance of the device can be effectively improved, and meanwhile the device can have a certain shielding function through the shielding performance of the shielding cellular board; when the outside is in a power-off condition, the storage battery temporarily supplies power to the controller, the electric push rod and the ventilation fan through the charging and discharging module, so that the device can normally work under special conditions; when the device needs to be overhauled, the turning plate is pulled backwards through the pull groove to be turned over, so that the rear window frame is opened, and at the moment, internal parts of the device can be overhauled conveniently.

A door-type assembly type bidirectional wave-absorbing and explosion-proof shielding valve belongs to the related technical field of protective equipment and comprises an assembly unit, the assembly unit comprises a valve body, a ventilation channel is arranged on the valve body, a valve cavity is arranged in the middle of the ventilation channel, an opening structure, communicated with the ventilation channel, of the valve cavity is a valve cavity air opening, a valve element is arranged in the valve cavity, and the valve element is arranged in the valve cavity. The valve element can elastically move in the airflow flowing direction, and the valve element can block the valve cavity air opening in front of the valve element in the airflow flowing direction so that airflow of the ventilation channel can be stopped. On the basis that the ventilation performance is guaranteed, the wave absorbing device has the remarkable performance advantage in the wave absorbing performance. According to the bidirectional wave absorbing valve, closing is achieved through shock waves and resetting is achieved through the spring device in principle, the valve element can move and reset in the front-back direction, impact airflow on the two sides of the door leaf can be effectively stopped, and the bidirectional wave absorbing effect is achieved; the problem that in the prior art, a dangling type valve and a rubber pipe type valve cannot bear shock waves in the two directions is solved.

The utility model provides a waterproof louver which is used for equipment or a house with a first louver. The waterproof louver comprises a window frame and a plurality of louver blades which are installed on the window frame, parallel to one another and evenly arranged. The waterproof louver is arranged on the inner side of the first louver, and a preset distance is formed between the waterproof louver and the first louver, so that rainwater entering from the first louver falls onto the waterproof louver and is blocked by the waterproof louver. In addition, the utility model further provides the container for the generator set, which comprises the waterproof louver.

The utility model particularly relates to an automatic air interchanger for an indoor suite door of a passive building. The automatic air interchanger solves the problem that people having a rest are lack of oxygen or dizzy and lack of strength due to the fact that the concentration of indoor CO2 and PM2.5 cannot be detected in time during night rest of an existing passive building. A lock is arranged on the suite door, an outer ventilation opening is formed in an outer side plate at the top of the door pocket line, an inner ventilation opening located on the inner side of the suite door is formed in a top plate of the door pocket line, an air duct communicated with the outer ventilation opening and the inner ventilation opening is arranged between the outer ventilation opening and the inner ventilation opening, and a power transmission mechanism and a rotary ventilation mechanism are arranged in the door pocket line. Automatic ventilation of the public area and the indoor room is achieved, the CO2 concentration and the PM2.5 concentration in the room are equivalent to those in the public area, the CO2 and PM2.5 concentration detecting instrument installed in the public area can detect the concentration of harmful gas in the closed room in time, the fresh air system is started in time to convey fresh air into the room, the air cleanliness in each independent room is improved, and the indoor environment is protected. And the comfort level of the living environment is further improved.

The invention relates to the technical field of civil air defense building ventilation equipment, in particular to efficient-purification and self-cleaning civil air defense building ventilation opening protective door equipment which comprises a door frame, a door body, a driving unit, a sensing system, a purification device, a self-cleaning execution unit and a control unit. The sensing system comprehensively collects environment and equipment data, and the control unit adopts a weighted fusion algorithm to calculate a comprehensive pollution index and determine a pollution level; the protection and ventilation efficiency coefficients under different door body opening and closing angles are calculated based on fluid analogue simulation; dynamically solving the optimal opening and closing angle of the door body and the optimal operation parameters of the purification device through a multi-objective optimization algorithm; and the self-cleaning effect is intelligently triggered and verified according to the filter screen state and the pollution level. Self-adaptive intelligent regulation and control of the protective door in a complex pollution environment are achieved, the safety protection and ventilation efficiency is effectively balanced, and the purification capacity and the automatic maintenance level are improved.

The utility model provides a broken-line-shaped component type high-performance glass curtain wall which comprises a plurality of first wall bodies and second wall bodies arranged between every two adjacent first wall bodies, and each first wall body comprises a first stand column, a second stand column and an inner plate arranged between the first stand column and the second stand column; the second wall body comprises at least one cross beam and at least one glass panel; the glass panel is fixedly connected with the first wall body and the cross beam in a matched mode. The first wall body is assembled in a prefabrication mode in a factory, so that the assembly precision can be guaranteed, the stress strength of the first wall body is improved, and the on-site construction progress can be accelerated; besides, the cross beam of the curtain wall adopts a closed cavity design, is connected with the prefabricated first wall body through the insertion core on site, and can form a triangular prism truss structure together with the first wall body and the glass panel, so that the structural system can still keep higher mounting precision under the condition of meeting the requirements of larger span floor height and horizontal large division stress.

The invention discloses a heat-preservation and heat-insulation composite window and a ventilation method. The heat-preservation and heat-insulation composite window comprises a window frame; the window frame is provided with a window frame top cavity and a window frame bottom cavity. A glass assembly; the glass assembly comprises electrochromic glass, first glass and second glass which are sequentially assembled in the notch of the window frame at intervals in the first direction; a first cavity is formed between the electrochromic glass and the first glass, and a second cavity is formed between the first glass and the second glass; a top opening and a bottom opening are formed between the electrochromic glass and the first glass; the window frame top cavity is provided with a first opening, and the window frame bottom cavity is provided with a second opening. The first opening, the top opening, the second opening and the bottom opening are communicated in sequence; a fan; the fan is arranged in the bottom cavity of the window frame. According to the scheme, the draught fan is arranged, heat absorbed in the first cavity is discharged out of a room so as to take away heat of the electrochromic glass, meanwhile, the second cavity is arranged to be a sealed cavity, the effects of heat preservation and heat conduction restraining are achieved, and the heat insulation effect is enhanced.

The invention relates to the technical field of building fire protection, in particular to an intelligent smoke exhaust device based on shape memory alloy and a smoke exhaust method.The intelligent smoke exhaust device comprises a window frame installed on a wall and a grating plate embedded into the window frame, and the grating plate is manufactured by laser etching of a shape memory alloy matrix with a preset crack pattern; and a heat reflection coating is arranged on the surface of the grating plate. When no fire occurs, the grating plate is in a sealed state, and no gap exists; when a fire disaster occurs, the indoor temperature rises rapidly, when the temperature rises to 90 DEG C and reaches the deformation temperature of the memory alloy, deformation begins, cracks are opened after the grating plate deforms, the preset cracks are distributed in a radial mode after being opened, a smoke exhaust channel is generated, and indoor smoke dust is exhausted. The method has the technical effects of high response speed and no need of manual reset.

The embodiment of the utility model discloses a drainage structure of a system shutter, which comprises a frame, a drainage device, a drainage device, a drainage device and a drainage device, and the frame is provided with a first opening and a second opening in opposite directions; the louvre blades are vertically arranged in the frame, the top edges and the bottom edges of the louvre blades are connected to the upper side and the lower side of the frame respectively, the louvre blades are parallel, a flow guide cavity is formed between every two adjacent louvre blades, and openings in the two ends of each flow guide cavity are communicated with the first opening and the second opening respectively; the louver blades comprise the first louver blade and the second louver blade, one side edge of the first louver blade faces the first opening, the other side edge of the first louver blade is connected to one face of the second louver blade, one side edge of the second louver blade faces the second opening, and the other side edge of the second louver blade faces the first opening. A water blocking groove with a groove opening facing the first opening is formed between the other side edge of the first louver blade and the other side edge of the second louver blade. According to the utility model, fluid entering from the first opening is smoothly shielded through the water blocking groove, so that the rain-proof and water-proof performance is improved.

The utility model discloses a dangling type anti-explosion-wave valve which comprises an anti-explosion-wave valve body, a wave valve plate is arranged on one side of the anti-explosion-wave valve body, an anti-impact buffering structure is arranged on the periphery, located on one side of the anti-explosion-wave valve body, of the wave valve plate, and a ventilation opening is formed in the side, right opposite to the wave valve plate, of the anti-explosion-wave valve body. A ventilation opening is formed in the air cushion matching cavity, a dustproof net is connected into the ventilation opening, a lock rod is arranged at the position, located on one side of the anti-explosion valve body, of the lower end of the anti-explosion valve plate, and a lock hole is formed in the side, right opposite to the lock rod, of the anti-explosion valve body. And after the wave valve plate is closed, the lock rod can be aligned and automatically inserted into the lock hole, the lock rod entering the lock hole pushes the lock block and is clamped in the lock groove, the lock rod can be fixed, and when the wave valve plate is opened for ventilation, dust in air outside a door can be effectively blocked through the dustproof net.

The invention discloses a building integrated photovoltaics (BIPV) integrated micro-ventilation passive unit type curtain wall system with a sunshade device, which comprises a curtain wall external corner upright post, an external facade glass panel, an indoor protective glass breast board, a curtain wall male upright post, a power generation glass module and a micro-ventilation opening fan module, and the other side of the micro-ventilation opening fan module is connected to a curtain wall female upright post; the outer side of the curtain wall external corner stand column is further connected with a sunshade device. According to the curtain wall system, a standard unit plate can be formed by adopting a V-shaped fold line structure on the basis of a limited building area, multiple functions such as lighting, sun shading, power generation and ventilation are ingeniously integrated in one set of standard unit template, the functions are powerful, the integration degree is high, overall installation and construction are facilitated, and the construction efficiency is improved. The construction difficulty of the multifunctional curtain wall system is reduced, and the product provided by the invention can meet the near-zero energy consumption and the ultrahigh thermotechnical requirements of zero-energy-consumption buildings.

The utility model discloses a dangling anti-explosion valve, and relates to the technical field of civil air defense engineering. The door comprises a door frame, a through groove is formed in the side wall of the door frame, a filtering assembly is arranged in the through groove, a filtering plate in the filtering assembly is arranged in the through groove, an inserting rod is connected to the side wall of a movable frame arranged on the side wall of the filtering plate, and the inserting rod is connected with an inserting hole formed in the inner side wall of the through groove in an inserted mode. A through hole is formed in the side wall of a sliding block fixedly connected to the inner side wall of the movable frame. A dangling valve assembly is arranged on the outer side wall of the door frame. According to the utility model, the filter component is arranged, so that the working steps during disassembly and assembly of the filter plate are effectively simplified, the filter plate is conveniently and quickly disassembled and assembled, the disassembly, assembly, cleaning and replacement of the filter plate are facilitated, and the dangling valve component is arranged, so that the impact force between the dangling loose-leaf door and the door frame is effectively buffered while the automatic opening and closing of the dangling loose-leaf door are facilitated; and the protection effect and the stability are improved.

A shutter assembly comprising a shutter door, an inner frame and an outer frame, wherein the shutter door defines an aperture and includes two or more rotatable vanes, wherein the vanes have a first orientation in which they completely obscure the aperture and a second orientation in which they partially obscure the aperture; the shutter door is hingedly coupled to the inner frame; and the inner frame is secured to the outer frame.

The utility model relates to an emergency house body and an emergency cabin based on a container. The emergency house body based on the container comprises a box body, a partition assembly, a function room door and a box door assembly, the box body is provided with a cavity, one side of the cavity in the first direction is open, the partition assembly is arranged in the cavity, the partition assembly divides the cavity into an equipment room and a function room in the first direction, and the box door assembly is arranged in the box body. The box body is provided with a cavity, the equipment chamber is adjacent to the open side of the cavity, the box body is provided with an entrance and exit in the function chamber, the function chamber door is arranged on the box body corresponding to the entrance and exit, and the box door assembly is arranged on the open side of the box body to seal the cavity. The emergency house body based on the container is provided with the equipment chamber and the function chamber which are separated, partition with different functions is achieved, comfort of personnel in the function chamber is improved, various needed equipment can be installed, the emergency cabin has multiple functions, and the life requirements of the personnel in multiple aspects are met.

The invention relates to the technical field of aluminum plate sun shading, in particular to an angle-adjustable sun shading device for a triangular perforated aluminum plate. The top of the turnover mechanism is rotationally connected with the top of the mounting mechanism; the turnover mechanism comprises a mounting mechanism, the mounting mechanism comprises a mounting frame, the inner wall of the mounting frame is slidably connected with a limiting assembly, the top of the limiting assembly is rotatably connected with a supporting rod, and the inner wall of the bottom of the mounting frame is fixedly connected with a locking assembly. The turnover mechanism drives the limiting assembly to slide upwards along the inner wall of the mounting frame through the supporting rod, after a user turns over the turnover mechanism to a designated position, the turnover mechanism is loosened, the limiting assembly can be automatically clamped in the inner wall of the mounting frame, the turnover mechanism is supported through the supporting rod, and therefore the position of the turnover mechanism is locked; therefore, the deflection angle of the turnover mechanism can be adjusted.

The modular window shutter system is for use with a window frame. The modular window shutter system forms a shutter that mounts adjacent to the window frame. The modular window shutter system includes a pan structure, a barrier structure, and a plurality of fastening structures. The pan structure secures the modular window shutter system to the support surface, which is adjacent to the window frame. The barrier structure attaches to the pan structure. An initial fastening structure selected from the plurality of fastening structures secures the pan structure to the support surface adjacent to the window frame.

The utility model discloses a micro-ventilation structure for a door and window and the door and window. The micro-ventilation structure is arranged on at least two long-strip-shaped holes which are formed in a window sash and are communicated with the inside and the outside. The micro ventilation structure comprises an indoor ventilation hood, an outdoor ventilation hood and a filter element; the indoor vent hood is arranged on the side, close to the indoor space, of the long-strip-shaped hole; the outdoor vent hood is arranged on the side, close to the outdoor space, of the long-strip-shaped hole. And a plurality of filter elements are respectively arranged in the strip-shaped holes. The window sash does not need to be opened, indoor and outdoor communication is achieved through the long-strip-shaped hole penetrating through the window sash, indoor and outdoor micro ventilation is achieved through the indoor ventilation hood and the outdoor ventilation hood, and outdoor air entering a room is filtered through the filter element.

A ventilation element attachable to a lower portion of a sectional garage door for enabling a ventilation condition of the garage door in a partially open position. The ventilation element provides a peripheral frame dimensioned and shaped to mimic a lower section of the sectional garage door. The peripheral frame enables a plurality of filters to be removably nested therein. The peripheral frame is movably attached to the interior surface of the garage door by a plurality of travel bars fixed thereto; a complementary number of grip brackets are attached to the peripheral frame so that the peripheral frame is moveable between a retracted position and an extended position disposing the peripheral frame below a bottom elevation of the garage door so that when the garage door is in the partially open position, the peripheral frame and nested filters established a ventilation barrier between the garage door and the driveway.

The hidden type aluminum plate curtain wall ultrathin composite vacuum heat preservation ventilation opening system is arranged on the inner side of a curtain wall system and comprises a top beam, a bottom beam, a window keel, a window frame, a composite vacuum heat preservation partition plate and an openable window sash. The window keel is arranged between the top beam and the bottom beam, and the window keel is connected with the curtain wall keel through the connecting rod; the window frame is mounted in the window keel; the composite vacuum heat-preservation partition plate is installed on the bottom edge of the window frame. The openable window sash is arranged between the window mullion and the top edge of the window frame; the composite vacuum heat preservation partition plate and the openable window sash each comprise a vacuum heat insulation plate, a first heat preservation layer arranged on the inner side of the vacuum heat insulation plate and an outer wrapping layer wrapping the vacuum heat insulation plate and the first heat preservation layer. A window is arranged on the curtain wall thermal insulation layer corresponding to the openable window sash; baffles are arranged on the outer side of the curtain wall heat preservation layer and located between the upper and lower windows. The technical problems that an opening device on a traditional curtain wall system destroys the overall attractiveness, the visual effect is poor, the heat preservation performance is weak, and the structure is complex are solved.