27 results about "Plenum space" patented technology

An air fryer includes an air fryer body and a ventilation system. The air fryer body includes a cooking container and a ventilation space divided into a first space, a second space, and a heat dissipation space. The ventilation system includes a first fan and a second fan. The first fan is located in the first space, and the second fan is located in the second space to drive air circulation in the second space and the heat dissipation space. The ventilation system includes an air outlet element having a first air outlet and a second air outlet. The first air outlet is connected to the first space, and the second air outlet is connected to the second space. A protruding enclosing wall of the air outlet element on a side of the air outlet element facing the second space and the heat dissipation space is elliptical.

The application relates to the technical field of building ventilation, in particular to an energy-saving air purification and ventilation integrated system, which comprises a wind cap base and a wind cap body, wherein the wind cap body comprises a supporting rod arranged on the wind cap base; a top cover and a base are sequentially sleeved on the supporting rod from top to bottom, and the top cover and the base can rotate around the supporting rod; a plurality of blades are rotationally connected between the top cover and the base, the plurality of blades are arranged along the circumference of the supporting rod, the top cover, the base and the plurality of blades jointly enclose a ventilation space, the ventilation space is communicated with the wind cap base, ventilation openings are formed between adjacent blades, the ventilation openings are communicated with the ventilation space; a plurality of supporting springs are connected between the base and the supporting rod, the plurality of supporting springs are arranged along the circumference of the supporting rod, the supporting springs extend along the radial direction of the supporting rod, and the inner ends of the supporting springs are rotationally connected with the supporting rod, and the outer ends of the supporting springs are fixedly connected with the base. The elasticity deformation of the supporting springs improves the wind resistance.

The utility model discloses a high-efficiency radiator, which relates to the technical field of radiators, aims to solve the problem of limited radiating effect of the traditional radiator, and is characterized in that a flow guide space I communicated with a ventilation slot I is formed between a fixed plate and a flow guide plate which are positioned on the same side of a radiating chamber; a plurality of first clamping grooves communicating with the first ventilation grooves are formed in the length side of the heat dissipation chamber in a penetrating mode, heat conduction plates are detachably connected into the first clamping grooves, heat dissipation fins are detachably connected into the second clamping grooves, and second flow guide space is formed between the flow guide plate and the adjacent clamping plate. A first ventilation space communicating with the second ventilation groove and the second flow guide space is formed between every two adjacent heat dissipation fins. Heat in heating equipment can be conducted out in time due to the high heat conduction performance of the radiator, a good air circulation effect is formed in the radiator body through the first flow guide space and the second flow guide space, the temperature absorbed by the radiator body can be rapidly taken away, and the continuous and efficient heat dissipation effect of the radiator is achieved.

The invention relates to a fuel rod for a water-cooled water-moderated nuclear reactor. In the proposed fuel rod, there is disposed below the fuel column a spacing element which forms a bottom plenum space and which is pressed against a bottom plug by the fuel column with the aid of a fastening spring. The spacing element consists of a housing in the form of a tube, which has stoppers press-fitted to the ends thereof, said stoppers having axially aligned through-openings and having slots in the outer end faces thereof for admitting helium into the inner cavity of the spacing element. The bottom plug has a stepped profile, and the middle portion thereof, which is disposed outside the cylindrical cladding, has a diameter that is greater than the outside diameter of the cylindrical cladding. The bottom end of the bottom plug has a toroidal surface, the cross-section of which is not greater than the outside diameter of the cylindrical cladding. The technical result is that of increasing the fuel charge, improving the energy efficiency and increasing the operating reliability and safety of a fuel rod for a water-cooled water-moderated nuclear reactor, as well as simplifying the assembly process, and facilitating repair in the event of depressurization of the fuel rod.

The utility model relates to a ventilation and air exchange device related technical field, concretely is a kind of ventilation and air exchange device for dehydration workshop, including flange, axial fan cover and impeller mounting frame and installation component, fixed place on the flange is equipped with axial fan cover, in the utility model, axial fan cover and ventilation axial fan whole assembly are on ventilation and air exchange device, ventilation and air exchange device drives ventilation axial fan and axial fan cover, utilize the axial thrust generated when impeller rotates, push air along axial flow, realize the ventilation and air exchange of large area, user again folds collapsible wing type ventilation cover to flange, make ventilation axial fan expose to dehydration workshop, not only can expand ventilation and air exchange device ventilation space, ventilation cover and built-in hole can also expand ventilation and air exchange air port, expand dehydration workshop ventilation and air exchange air port, axial fan cover and ventilation axial fan improve dehydration workshop ventilation speed.

The invention of the present application provides a fuse in which a fused section of a fuse element is visually inspectable from the outside and, furthermore, a housing is not readily damaged when the fused section of the fuse element burns through. The fuse (900) comprises a fuse element (100) and a housing (500) in which a fused section (120) of the fuse element (100) is received, and is characterized in that a visual inspection window (240) is provided in the housing (500) at a position corresponding to the fused section (120), a cover element (600) overlapping the visual inspection window (240) is attached to the housing (500), and a ventilation space (X1) is formed between the cover element (600) and the housing (500).

This description relates to a module and system for indoor cultivation. In some embodiments, an indoor cultivation module includes a container compartment divided into a growth zone and a control zone, where a growth zone comprises a chassis with a plurality of horizontal and vertical frame members configured to support a plurality of trolleys, each with a tray containing a plurality of plants, and where the control zone includes an integrated air blowing unit for directing air between a suspended ceiling and a structural ceiling of the indoor cultivation module and an air conditioning unit configured to condition an atmosphere in the growth zone by producing fresh dry air that is injected into a plenum space located between the suspended ceiling and a structural ceiling.

A stiffener (30) extending in the vertical direction is embedded in a rear surface (2a) near both side edges of a concrete panel (2) such that a part of the stiffener protrudes to the indoor side. A felt mat-like fireproof covering material (70) superimposed on the indoor side is fastened to the rear surface (2a) of the concrete panel (2) by fasteners (9) composed of a concrete screw and a washer. The fasteners (9) are respectively arranged at a predetermined pitch in vertical rows closer to the end edge side than the stiffener (30) and closer to the center side than the stiffener (30). The fasteners (9) in each row are arranged in a zigzag manner with the left and right heights thereof being different from each other. As a result, hot air flowing into the joints from the outdoor side is prevented from flowing into a ventilation space beyond the stiffeners (30) while ensuring an appropriate ventilation space between the left and right stiffeners (30).

The invention relates to a ventilation profile for actively ventilating and / or extracting air from a building waterproofing system, wherein the building waterproofing system protects and / or seals a wall of a building, in particular a house, on an outer surface of the wall by means of a moisture-proof or moisture-resistant protective layer against penetrating moisture from surrounding soil, wherein the protective layer is arranged in a protective layer plane spaced from the wall by means of spacers between the wall and surrounding soil and thus a ventilation space is formed between the protective layer and the wall, wherein a connecting strip is arranged on an upper connecting line of the protective layer along a connecting axis and the protective layer is connected to the wall at an upper connecting line by means of the connecting strip, wherein the connecting strip has at least one fluid-carrying ventilation access to the ventilation space.Furthermore, the invention relates to a building seal with such a ventilation profile and a method for actively ventilating and / or de-ventilating a building seal in several steps.

To provide a sash unit capable of easily constructing an air flow window system with minimum construction.SOLUTION: The sash unit 10 is attached to a window 3 of a new or existing building, and includes a sash body 11 having an upper frame part, a lower frame part side 11b and a pair of side frame parts, a panel body 12 attached to the inside of the sash body 11 and defining a ventilation space 13 between the panel body 12 and a window glass 5 provided in the window 3, and the lower frame part side 11b. This sash unit 10 has an introducing passage 14 communicating with a room 6 of a building and a ventilating space 13, a blower 30 arranged inside a lower frame part 11b and sending air in the room 6 to the ventilating space 13 through the introducing passage 14, and a discharge passage arranged in an upper frame part and communicating with the ventilating space 13 and the room 6.SELECTED DRAWING: Figure 5

This blower unit comprises: a box part (11) disposed in a plenum space above a target space (S); and a nozzle part (20) which is disposed below the box part (11) and which blows air in the box part (11) downward into the target space (S). The nozzle part (20) has: a tapered tubular part (24) formed such that the opening area thereof increases proceeding from above to below; a duct expansion part (26) disposed on the inner side of the tubular part (24) and forming annular air flow paths (P1 to P4) that expand outward in the radial direction of the tubular part (24) proceeding from above to below; and an airflow regulating part (27) provided below the tubular part (24) to regulate the flow of the air flowing through the tubular part (24) so as to be oriented in the tube axis direction.

The premixing burner comprises a burner shell body, a burner shell core seat and a burner core, a premixing cavity is defined by the burner shell body, the burner shell core seat and the burner core, a premixing part is installed in the premixing cavity and divides the premixing cavity into an upper premixing cavity and a lower premixing cavity which are distributed up and down, the burner core is provided with an air outlet communicated with the upper premixing cavity, and the lower premixing cavity is provided with an air outlet communicated with the lower premixing cavity. The furnace shell body is provided with a gas inlet communicated with the lower premixing cavity, a ventilation space is formed in the bottom of the upper premixing cavity, the premixing part is provided with a plurality of air guide channels circumferentially arranged around the axis of the premixing part at intervals, air inlets of the air guide channels are formed in the bottoms of the air guide channels and communicated with the lower premixing cavity, and the bottoms of the air guide channels are communicated with the lower premixing cavity. The ventilation space is arranged on the radial outer side of the air guide channel, and an air outlet of the air guide channel faces the ventilation space and communicates with the ventilation space. The utility model aims to provide a premixing furnace end which has the effects of enhanced mixing effect, simple structure and low cost.

The utility model discloses a combined type aluminum alloy door and window, which relates to the technical field of doors and windows and comprises an outer frame, first limiting frames are fixed on two sides inside the outer frame, an inner frame is connected inside the outer frame, a first limiting block penetrates through one side of the inner frame, a second limiting block is fixed on one side of the first limiting block, and a casement window is mounted inside the inner frame. A second limiting frame is fixed to one side of the casement window. Through the arrangement of the inner frame and the casement window, the casement window is an inward-opening window, so that the casement window can be opened inwards to clean the two faces of the window when the window is dirty, the casement window is simple, convenient and free of danger, the casement window is driven by the inner frame to move left and right to be opened and closed during normal use, and the casement window is similar to a sliding window. The indoor space is prevented from being influenced when the inward-opening window is opened for ventilation; however, if a larger ventilation space is needed, the casement window can be opened to realize the larger ventilation space; the window is convenient to clean, simple, convenient, safe and flexible to use so as to deal with more conditions.

A ventilation system comprises: a ventilation device (3, 200) that ventilates a ventilation space, which is a destination for the ventilation; an air sensor (5, 211) that detects a physical quantity of a detection object in the air of the ventilation space and outputs a detection value corresponding to the detected physical quantity; and a sensor calibrator (100, 211) that performs a calibration against the detection value output by the air sensor. The sensor calibrator calibrates the detection value, which is detected by the air sensor in the ventilation space in a state without a source of change that alters the physical quantity of the detection object, at least once during ventilation and once during ventilation termination by the ventilation device.

This utility model discloses an experimental fume hood with volatile concentration monitoring, comprising: a cabinet body, a working space on the cabinet body, a cover plate covering the front side of the cabinet body, a ventilation space between the cover plate and the working space, multiple ventilation holes communicating with the ventilation space on the front side of the working space, an installation plate above the cabinet body and above the working space, a concentration monitoring unit in the middle of the installation plate, symmetrical air guides on the installation plate, an air guide within the ventilation space, an exhaust unit above the ventilation space, and a moving mechanism on the installation plate that can move the air guides upwards. Compared with the prior art, this invention can detect the volatile concentration of gases inside the cabinet, ensuring that the concentration of harmful gases inside the fume hood is kept at a low level, while effectively exhausting harmful gases outside the cabinet.

The utility model discloses a form can switch's access control ware, including display module and control module, and control module sets up at the back of display module and is relatively display module rotation setting, control module includes the back casing and front cover that connect with each other, and the back casing and front cover are provided with control mainboard between, and the back casing is evenly provided with first vent, and the front cover is evenly provided with second vent, and the front cover is provided with ventilation space between display module, and ventilation space and second vent are interconnected, control module is provided with the locking module for with display module cooperation to restrain control module relative display module rotation. Control module rotation setting can make control module rotate to support position to support in desktop position etc. through control module as fulcrum. Meanwhile, the ventilation space is provided between the front cover and display module, can make external air faster and the space between the front cover and back casing carry out air exchange, improve the area of air circulation, thereby improve the heat dissipation efficiency.

The present disclosure relates to a module and system for indoor farming. In some embodiments, an indoor farming module includes a container compartment divided into a grow zone and a control zone, wherein a grow zone comprises a chassis with a plurality of horizontal and vertical frame members configured to support a plurality of carts each carrying a tray with a plurality of plants and wherein the control zone includes an air blowing unit integrated so as to direct air between a drop ceiling and a structural ceiling of the indoor farming module and an air conditioning unit configured to condition an atmosphere in the grow zone by producing cool dry air that is blown into a plenum space located between the drop ceiling and a structural ceiling.

The embodiment of the utility model provides a drying device. The drying device comprises a shell, an air inlet and an air outlet, wherein the air inlet and the air outlet are communicated to form a ventilation space; the shell is provided with a discharge port and a guide plate arranged in the ventilation space, and one end of the guide plate is connected with the discharge port; the rotating mechanism comprises a rotatable cage body and a first driving mechanism which is in driving connection with the cage body; the cage body is arranged in the ventilation space, is positioned above the guide plate and is provided with a material inlet / outlet; the first driving mechanism drives the cage body to move in a feeding position, a discharging position and a working path except the feeding position and the discharging position; when the cage body is located at the discharging position, materials in the cage body fall into the guide plate through the material inlet and outlet. Through combination of the ventilation space and the rotating mechanism, the drying speed of the blast beads is high, and surface hardening or internal spice loss caused by direct collision of the blast beads in the ventilation space is avoided.

The utility model discloses a bath heater panel with annular air port, including the board body, wherein, the board body is equipped with annular air port, still include the flow guide cover and the outer cover, and the flow guide cover is located in the outer cover, and the outer side wall of flow guide cover and the inner side wall of outer cover form the ring air duct between, and the outer top surface of flow guide cover and the inner top surface of outer cover form the ventilation space between, and the upper end of ventilation space is communicated ring air duct, and the outer cover forms the ventilation pipe portion, and the inner chamber of outer cover is communicated ventilation pipe portion, and annular air port is formed between the lower end of flow guide cover and the lower end of outer cover, and annular air port is communicated the lower end of ring air duct. The utility model can effectively enlarge the airflow range in bathroom, and the air resistance is lower.

A device (10) for ventilating an air space (11) is proposed, wherein the device (10) comprises an elastocaloric temperature control unit (20) with a heating area (21) and a cooling area (22) that interact calorically with each other. The device (10) comprises a hot air duct (30) that passes through the heating area (21) and a cooling air duct (32) that passes through the cooling area (22).

A vent for a ventilated concrete floor structure, which includes parallel spaced-apart support beams and a concrete floor thereover, comprises upstanding longitudinally-extending sidewalls interconnected in transversely spaced-apart relation and a passageway therebetween for releasing air from at least one air duct underneath the floor to a ventilated space thereover. The passageway has an inlet at bottoms of the sidewalls communicated with an air duct and an outlet at tops of the sidewalls at an upper surface of the floor. The sidewalls are metallic. Upright sidewall portions extend in a height direction of the vent and upper sidewall portions defining the sidewall tops extend transversely outwardly from the upright portions to provide upper surfaces arranged substantially flush with the upper floor surface. The passageway is substantially prismatic, and the rectangular inlet opening is wider than the rectangular outlet opening. Lower sidewall portions are configured to rest on the support beams.

The utility model discloses a charger which comprises an outer shell, and a waterproof space and a ventilation space are respectively formed in the outer shell. The charger further comprises a heating assembly, a cooling plate, a radiator, a circulating pump and a cooling fan. The heating assembly and the cooling plate are arranged in the waterproof space, and the heating assembly is attached to the cooling plate; a water outlet of the circulating pump is communicated with a runner inlet of the cooling plate through a first guide pipe; a runner outlet of the cooling plate is communicated with a runner inlet of the radiator through a second guide pipe; a runner outlet of the radiator is communicated with a water inlet of the circulating pump through a third guide pipe; the circulating pump is used for driving the liquid working medium in the cooling plate runner to flow; the radiator and the cooling fan are arranged in the ventilation space, the radiator is provided with an airflow channel, and the cooling fan is arranged close to the airflow channel and used for cooling of the radiator. According to the technical scheme of the utility model, the waterproof performance and the heat dissipation performance of the charger are ensured at the same time, so that the reliability of the charger is improved, and the charger can adapt to a severe outdoor environment.

The invention discloses a dynamic coordination management system for an intelligent chain and a supply chain, and relates to the technical field of ventilation systems, which comprises the following steps: S1, respectively setting on-off states and action sequences for fans and protective valves in each region according to three working conditions of clean ventilation, poison filtration ventilation and isolation protection; s2, acquiring plane arrangement and boundary information of the warehouse, converting a corridor, a storage room and a partition wall into line segments under a unified coordinate system, generating a grid point set only located in the ventilated space based on a line segment range, mapping the position of an air quality sensor to a corresponding grid point, and setting the position of the air quality sensor as a grid point set; and S3, collecting concentration data of harmful gas from each air quality sensor according to a fixed time interval, constructing a distance measure only spreading along a ventilated corridor by preprocessing a geometric grid of a warehouse and using a path search algorithm, and then performing interpolation and error optimization under the distance measure. And directly mapping the obtained pollution distribution field into a partition fan operation strategy and a protection valve group control instruction.

This invention relates to the field of building-integrated photovoltaics (BIPV) technology, and provides an adaptive ventilation and heat dissipation roof system and control method, including photovoltaic components, ventilation ducts, fans, temperature sensors, and a control system. The photovoltaic components integrate prefabricated interfaces to convert solar energy into electrical energy. The ventilation ducts are connected to the photovoltaic components to form a ventilation space, and the ventilation ducts are equipped with adjustable vents. The fans are connected to the ventilation ducts and drive airflow within the ventilation space. The temperature sensors monitor the temperature of the photovoltaic components. The control system is connected to the adjustable vents, fans, and temperature sensors, and can adjust the opening and closing states of the adjustable vents and the operating parameters of the fans based on the temperature of the photovoltaic components. This invention provides an adaptive ventilation and heat dissipation roof system and control method that enables adaptive switching between heat dissipation and insulation modes of the roof system, and helps improve power generation efficiency and construction quality.

The invention relates to a ventilation profile for actively ventilating and / or venting a building's waterproofing, wherein the building's waterproofing protects and / or seals a wall of a building, in particular a house, on an outer surface of the wall against penetrating moisture from surrounding soil by means of a moisture-tight or moisture-inhibiting protective layer, wherein the protective layer is arranged in a protective layer plane between the wall and the surrounding soil and at a distance from the wall by means of spacers, and thus a ventilation space is formed between the protective layer and the wall, wherein a connection strip is arranged on an upper connection line of the protective layer along a connection axis and the protective layer is connected to the wall at an upper connection line by means of the connection strip, wherein the connection strip has at least one fluid-guiding ventilation access to the ventilation space. The invention also relates to a building's waterproofing having a ventilation profile of this type and to a method for actively ventilating and / or venting a building's waterproofing having multiple steps.