4806 results about "Ventilator outlet" patented technology

Damp proof course and Weep Vent

An automated urinary output monitoring system includes a urine collection assembly, a scale, and a pump. The urine collection assembly includes a urinary catheter coupled to a first drainage tube. The interim container coupled to the first drainage tube and a second drainage coupled to a final container. The scale measures the weight of urine collected in the final container and a display can depict the volume of urine collected in the final container. A vacuum pump can be coupled with the final container to draw urine from the interim container into the final container, and an air vent can isolate the patient from the vacuum within the final container. The system can be configured to wirelessly transmit urine volume data to an external computing device. A gyroscope can be coupled with the scale to determine the orientation of the scale.

The invention discloses an air conditioner with a grille, relates to the technical field of air conditioners, and aims to solve the problem that the air resistance at an air outlet grille of an outdoor unit in the prior art is relatively large. The air outlet grille of the air conditioner with the grille comprises a positioning part, a supporting part and a grille net. The positioning part is close to the ventilation opening and connected with the machine shell. The supporting part is located in the positioning part. The grating net comprises a plurality of connecting parts, a plurality of outer grating strips and a plurality of inner grating strips. The connecting parts are located between the supporting part and the positioning part and distributed around the supporting part at intervals, and the supporting part is connected with the positioning part through at least part of the connecting parts. The multiple outer grating strips are located between the positioning part and the supporting part and distributed at intervals in the radial direction of the positioning part, and the multiple outer grating strips are connected with at least part of the connecting part in a crossed mode. The multiple inner grid strips are located on the air inlet sides, close to the draught fan, of the outer grid strips in the axial direction of the air outlet grid, and the inner grid strips and the outer grid strips are arranged at intervals. The air conditioner with the grating is used for exchanging heat with air.

The invention discloses high-precision laser cutting equipment suitable for a complex circuit board, and relates to the technical field of circuit board cutting, the high-precision laser cutting equipment comprises a ceramic table top, a base, a cooling assembly and a waste collecting assembly, the ceramic table top is fixedly mounted at the top end of the outer wall of the base; a cooling assembly and a waste collecting assembly are fixedly installed on the side face of the base through a conveying mechanism. The cooling assembly comprises a nozzle, a liquid box and a radiator, the nozzle is fixedly installed on the side face of the top end of the outer wall of the base through a supporting piece, the liquid box is fixedly installed on the side face of the outer wall of the base, the radiator is fixedly installed on the side face of the inner wall of the base, an impeller is fixedly installed at the bottom of the inner wall of the radiator, and a ventilation opening is formed below the impeller. And a dustproof net is fixedly mounted at the ventilation opening through a bolt. By installing the cooling assembly, the cutting temperature is reduced, the problem of material deformation caused by the heat effect is solved, and it is helpful for guaranteeing the flatness and smoothness of the cutting face and the overall integrity of the circuit board.

The invention discloses a graded detection method and system for an air-breathing smoke-sensing fire in a complex environment, and relates to the technical field of fire-fighting early warning, and the method comprises the steps: recognizing a ventilation opening of a monitoring region in the complex environment, and arranging air-breathing smoke-sensing equipment on the ventilation opening; state monitoring is conducted on the ventilation opening, and working mode parameters of the ventilation opening are obtained and comprise the ventilation starting and stopping state, the wind speed and the ventilation direction; and analyzing to obtain a self-adaptive strategy matched with the working mode parameters to control the sucking pump to drive the air-breathing smoke sensing equipment to collect smoke gas samples, performing multi-time sequence grading detection, and outputting a fire early warning signal. According to the invention, the technical problem that the existing fire detection technology is difficult to accurately collect smoke samples and give out early warning in time in places with complex ventilation structures and obvious air disturbance is solved, and the air-breathing smoke sensing equipment is arranged at the ventilation opening and the sampling strategy is dynamically adjusted; and the accuracy of smoke collection and the real-time performance of fire early warning are improved.

The invention relates to the technical field of curtain wall ventilation design, and discloses an energy-saving external circulation building curtain wall system which comprises a mounting frame, an outer-layer glass curtain wall and an inner-layer glass curtain wall, and a hollow cavity used for ventilation is formed among the outer-layer glass curtain wall, the inner-layer glass curtain wall and the mounting frame in a surrounding mode. The mounting frame comprises a top frame, a bottom frame and vertical frames on the two sides, the sides, facing outdoors, of the top frame and the bottom frame communicate with the hollow cavity and are provided with ventilation openings, anti-blocking pieces used for dredging the ventilation openings are slidably arranged in the top frame and the bottom frame, and a cleaning assembly is arranged in the hollow cavity. The cleaning assembly comprises a rolling brush piece rotationally arranged in the hollow cavity and a lifting piece for driving the rolling brush piece to slide in the vertical direction in the rotating process, the rolling brush piece is matched with the hollow cavity, and the rolling brush piece continuously scrapes the opposite inner side walls of the outer-layer glass curtain wall and the inner-layer glass curtain wall in the rotating process. The double-layer curtain wall has the effect of improving the convenience of cleaning the air buffer layer in the double-layer curtain wall.

In one or more embodiments, one or more systems may comprise a fan housing for use in a portable chassis without a vent on a bottom cover. A plurality of tabs located proximate an opening in the bottom wall extend axially to provide support. In some embodiments, a disc is coupled to the plurality of tabs. In some embodiments, a ring is coupled to the plurality of tabs, wherein deflection of the ring positions the ring relative to a fan hub.

The present invention discloses a storage box with adjustable air vents, the number or size of the first air vents exposed can be adjusted by rotating the rotary adjustment valve, and the number or size of the second air vents exposed can be adjusted by shifting the sliding adjustment valve, so that the ventilation volume of the air vents at two sides can be changed or even the air vents can be completely closed, and the freshness of bread can be further improved by controlling the convection of air flow to affect the change of air humidity. The rotary adjustment valve and the sliding adjustment valve both have a very simple structure, fewer parts and low cost, and are very convenient to mount, maintain and use.

A gable vent assembly has a base that mates and locks with a cover having vents in a first position when locks of the base and cover are aligned with one another to lock together. The cover and base nest together in a second unlocked position when the cover is rotated relative to the base so that locks of the base and cover are not aligned and cannot lock together.

An air flow redirection system for redirecting exhaust air flow away from an external surface upon which the device is positioned, the device may include a housing including a first side, a second side opposite the first side, at least one sidewall extending between the first side and second side, a vent, the vent defining an opening extending through the at least one sidewall placing an interior chamber of the device in fluid communication with an exterior region, at least one rib defining slots in the vent, and an arc. Air flow produced by a fan located in the interior chamber is directed towards the vent in a first direction, and the arc acts in combination with the at least one rib and raises a direction of the air flow upward in a second direction towards a plane of the first side as the air flow exits the vent.

A ridge vent includes an elongated flexible member having a central panel defined between a pair of lateral edges, a first end, and a second end, the central panel having top and bottom major surfaces; a pair of vent openings defining openings through the central panel with one each located inward of a corresponding lateral edge; and a plurality of flow projections extending from a central portion of the central panel to at least one of the pair of lateral edges.

A sterilization cabinet, comprising a top panel, at least two side panels, and a floor panel forming a part of a chamber of the sterilization cabinet; one or more dividers segmenting the chamber into sections; at least one door a plurality of doors connected to at least one of the at least two side panels of the sterilization cabinet; a vent formed in at least one of the two side panels; at least one first filter covering the vent and a filter cover configured to hold the first filter against the vent; at least one drain positioned in the floor panel, wherein the floor panel has a slope configured to cause condensate within the chamber to flow into the drain and wherein the drain is the only outlet for the condensate along the floor panel; and a second filter covering the drain such that condensate flowing into the drain passes through the second filter.

An Air filtering device (1) configured to cleaning of air in a closed volume of air. (1) comprises in a direction (2) of an air flow at least one air filter unit (3). The air filter unit (3) comprises an air filter (5) arranged in a box-shaped housing (4). The air filtering device (1) further comprises an air moving unit (6) interconnected to and arranged downstream with respect to the air filter unit (3). The air moving unit (6) comprises a box-shaped housing (7) with an air inlet opening (8), configured to receive filtered air from the closed volume of air through the air filter unit (3) and with respect to the box-shaped housing (7) opposite an air outlet opening (9) comprising a constriction having a smaller diameter (10) than the diameter of the air inlet opening (8). The air moving unit (6) also comprises a fan (11) interconnected to the air outlet opening (9) configured to draw in the filtered air from the air filter unit into the box-shaped housing (7) through the air inlet opening (8) and to push the filtered air into an air distribution unit (12). The air distribution unit (12) comprising a box-shaped housing (13) interconnected to the fan (11) and having at least one air vent (14) to distribute the filtered air into the closed volume of air.

An energy storage system includes an enclosure having a vent forming a flow path between an interior volume of the enclosure and an environment exterior to the enclosure. A vent covering is mounted proximate the vent and is selectively disposable over the vent such that the flow path is open when the vent covering is in an open position and closed when the vent covering is in a closed position. The vent covering can be biased to the open position and / or made of a thermally decomposable material. An actuator is coupled to the vent covering such that supply of power to the actuator causes the vent covering to assume the closed position and loss of power to the actuator causes the vent covering to assume the open position. A method comprises detecting a flammable gas and opening a first flow path by a first vent of the enclosure.

The utility model discloses a ventilation top cover structure of a box-type substation, and relates to the related technical field of box-type substations. The device comprises a bottom plate, triangular side plates, top plates, air outlet channels and a fan, the triangular side plates are fixed to the two opposite side edges of the upper end of the bottom plate, the top plates are fixed to the inclined faces, in the same inclination direction, of the two triangular side plates, and second air outlets distributed at equal intervals are formed in each top plate in a penetrating mode; air outlet channels are fixed to the portions, outside the second air outlets, of the inclined face of the top plate, symmetrically-distributed ventilation openings are vertically formed in the bottom plate in a penetrating mode, and an inclined draught fan is arranged above each ventilation opening. By arranging the top plate, the bottom plate, the triangular side plates, the air outlet I, the air outlet II, the ventilation opening, the fan, the filter screen I, the filter screen II and the air outlet channel, the box-type substation top cover solves the problems that the box-type substation top cover is not provided with a ventilation structure, the heat dissipation effect is poor, enough weather resistance is needed during ventilation on the top cover, and the heat insulation effect of the top cover is poor.

A ridge vent system is provided including a ridge vent having opposing exterior sidewalls that each define multiple fastener recesses that extend inward from the exterior sidewalls and downward from a top plate. The ridge vent can include ventilation elements within the exterior sidewalls and / or fastener recesses. The ridge vent can include an air permeable filter membrane that can be secured to bottom walls of the fastener recesses to impair environmental elements from entering a structure therethrough, yet still provide air flow out the vent. The ridge vent can be in sheet or roll form, depending on the application. The ridge vent can provide enhanced attic ventilation and / or airflow through the ridge vent, while still providing fastener recesses that facilitate rapid and efficient application of fasteners therethrough.

This device comprises a housing (G1, G2, G3) with an inlet opening (2) and a supply channel (1) for air (3), as well as at least one outlet opening (4b, 5b; 15) for a first and second partial airflow (3a, 3b) from a first and second discharge channel (4, 5). An air guide element (6) is arranged in the housing between the discharge channels. A control element (7) with two radial surfaces (10a, 10b) and a connecting surface (11) encloses a volume around an axis of rotation (8), is arranged in front of the air guide element, and is rotatable in a cylindrical volume region (17) so that, in a release rotary position, the air can be supplied to both discharge channels, and in shut-off rotary positions, to one or neither discharge channel. According to the invention, both radial surfaces have convex contours orthogonal to the axis of rotation, and their chords (SRA, SRb) form an obtuse angle (W).The influencing element is arranged in the housing such that the inlet openings (4a, 5a) of the discharge channels for the partial airflows branch off from the cylindrical volume area in front of the axis of rotation. This has the advantage that the volume occupied by the housing and the installation space required for the air outlet are reduced. In particular, the overall length is shortened in the direction of airflow.

The invention discloses a power distribution cabinet with a temperature adjusting function, and relates to the field of power distribution cabinet heat dissipation, the power distribution cabinet with the temperature adjusting function comprises an equipment frame, a square frame fixedly penetrates through the top of the equipment frame, and the power distribution cabinet further comprises a moving device; wherein the moving device comprises a fixed frame, a ventilation plate, a fan, a rotating rod, a circular plate, a rotating plate, a sleeve, a supporting rod, a sliding block, a U-shaped plate, a fixed block, a connecting plate, a moving plate, a connecting block, a bearing block, a square block and a filtering plate, the fixed frame is slidably installed in the square frame, and the ventilation plate is fixedly installed in the fixed frame. According to the power distribution cabinet with the temperature adjusting function, the ventilation effect is achieved by opening the ventilation opening, the situation that the interior of equipment is overheated, and consequently the equipment cannot operate normally is prevented, the humidity in the cabinet can be reduced through good ventilation, meanwhile, the area of the ventilation opening is increased along with increase of the rotating speed of the internal fan, and self-adaptive adjustment can be conducted according to changes of the temperature in the cabinet.

Ventilation members for venting and / or draining moisture in building structures include a base panel and at least a transversely extending panel. Vent or drain openings are provided through the transverse panel, and a holding clip extends from the transverse panel for holding a drainage mat in place.

The utility model belongs to the technical field of automobile charging devices, and relates to a fireproof charging pile for a new energy automobile, which comprises a box body, a direct current charging module and an electrical system are arranged in the box body, a heat dissipation window is arranged on the side of the box body, and the heat dissipation window comprises a plurality of ventilation openings and shutter grids. An aerosol fire extinguishing device is arranged at the top of the box body, an aerosol nozzle of the aerosol fire extinguishing device faces an inner cavity of the lower box body, a movable sealing plate is arranged between the shutter grid and the ventilation opening, a plurality of overflowing through holes are formed in the movable sealing plate, and the movable sealing plate slides between an opening position and a closing position. When the movable sealing plate is located at the opening position, the overflowing through holes correspond to the ventilation openings in a one-to-one mode and communicate with the inner cavity of the box body and the ventilation gaps of the shutter grilles, and when the movable sealing plate is located at the closing position, the overflowing through holes and the ventilation openings are distributed in a staggered mode and close the ventilation openings. The fireproof charging pile for the new energy automobile provided by the utility model has a better fireproof effect.

A respirator muscle training device comprises a main unit including at least one adjustable air metering vent, the main unit comprising a stem configured to accept a replaceable mouthpiece; and a replaceable mouthpiece configured to mate with the stem, the replaceable mouthpiece being configured to deliver air flow between the main unit air metering vent and a patient's mouth. The mouthpiece defines at least one supplementary metering channel that predictably modifies a resistance of the respirator muscle training device to user inhalation and / or exhalation through the device. An intermediate component containing sensors and other electronics monitors the flow of air through the training device and provides measured parameters to an external device that can use the measurements in a breathing game.

The invention relates to an intelligent partitioned fire extinguishing electrical cabinet, and effectively solves the problems that a fire extinguishing agent cannot cover an ignition point and the fire behavior is easy to spread. According to the technical scheme, the fire extinguishing device comprises an outer box body, and a support assembly and a fire extinguishing assembly are arranged in the outer box body; a cabinet door is arranged on the front side of the outer box body, supporting plates are arranged on the left side and the right side of the support assembly, a plurality of ventilation openings are formed in the supporting plates, a plurality of blocking pieces are arranged in each ventilation opening, and the blocking pieces can block the ventilation openings after rotating synchronously. A plurality of partition plates and cross beams are arranged between the two supporting plates, and the partition plates divide the interior of the support into a plurality of cavities. A plurality of threading holes are formed in each partition plate; the fire extinguishing assembly comprises a fire extinguisher, an outlet of the fire extinguisher is connected with a pipeline, a branch pipe located in each cavity is arranged on the pipeline, and an electromagnetic valve is arranged at the end of each branch pipe; according to the intelligent fire extinguishing device, the heat dissipation design is considered, meanwhile, intelligent partition fire extinguishing can be achieved, and the ignition point is completely covered.

The invention discloses an electrical room ventilation opening arrangement optimization method, which comprises the steps of determining the optimal position of a ventilation opening of an existing electrical equipment room through Fluent software simulation, and counting each numerical value of the optimal position, including room volume, total equipment heat dissipation capacity, room air supply capacity, area size of an air supply outlet and the number of the air supply outlets; constructing and training a neural network model, taking each counted numerical value as the input of a neural network, and taking the optimal position of the ventilation opening as the output; calculating the air supply amount and the number of air supply outlets required by the electrical equipment room to be designed, determining the optimal position of the ventilation opening of the electrical equipment room to be designed through the trained neural network model, and finally verifying whether the result meets the requirement or not through Fluent software simulation. According to the method, the number of the ventilation openings required by the electrical equipment room can be reasonably calculated, the neural network is introduced, the positions of the ventilation openings are optimized, and the design efficiency of the electrical equipment room is improved.

A cooling apparatus, comprising a mainboard and a cooling fan, where the novel cooling apparatus comprises: a heat sink, provided on the mainboard and affixed to one end of a vent of the cooling fan. The heat sink comprises: a groove, used for accommodating a heat-generating component provided on the mainboard; cooling fins, distributed within the heat sink and arranged on two sides of the groove. A venting and cooling channel is constituted between the interior of the heat sink and the vent of the cooling fan. The beneficial effect of the technical solution is such that, with other heat-generating components placed in the heat sink, the space in the heat sink is fully utilized, the fan is utilized to cool the heat sink and the heat-generating components therein, thus increasing the utilization rate of the fan, increasing the cooling efficiency, and effectively utilizing space.

To provide a work machine and a nozzle that can satisfy the needs for increasing a gas discharge amount and discharging gas over a wide range, and has improved convenience.SOLUTION: A nozzle 40 comprises: an inflow part 41 into which air exhausted from an exhaust part flows; a discharge part 42 whose flow path area along a plane perpendicular to an air circulation direction is larger than that of the inflow part 41, and which discharges air downstream of the inlet section 41; and a pipe part 43 which is provided between the inflow part 41 and the discharge part 42 and through which air flows from the inflow part 41 toward the discharge part 42. The pipe part 43 is provided with a vent port 44 which communicates the inside and outside of the pipe part 43. This makes it possible to realize an air duster which can increase an air discharge amount and discharge air over a wide range. Therefore, it is possible to improve convenience of the air duster.SELECTED DRAWING: Figure 4

To provide a water shielding device capable of preventing the position of a water absorption expansion material from being deviated or being washed away even when a water flow surging to a building is violent and a large water flow splashes in the horizontal direction, and capable of reliably exhibiting water shielding performance.SOLUTION: A water shielding device for water drip foundation includes: a vent hole for communicating an underfloor space of a building and the outside air; and an outside air opening in communication with the vent hole via a ventilation space, for introducing the outside air outside the building. The water shielding device includes an opposing piece for partitioning the vent hole and the outside air opening in the ventilation space and having an opposing surface opposing to the vent hole. On the opposing surface, a water absorption expansion material is mounted which expands by absorbing water and closes the vent hole.SELECTED DRAWING: Figure 3

The invention relates to the technical field of power distribution, in particular to an electric energy metering box for power distribution equipment, which comprises a box body, a box door, a mounting plate, a partition plate, a lead screw motor and the like, the box door is hinged to the front side of the box body, the mounting plate and the partition plate are connected in the box body, ventilation openings are formed in the left side and the right side of the box body, and the lead screw motor is mounted on the box body. A lead screw of the lead screw motor is rotationally connected with the bottom of the box. Electric appliance elements and an electric energy meter in the box body can be shot through the visual camera, numerical values on the electric energy meter can be read, the numerical values are recorded in the controller, if the visual camera shoots electric sparks, it is indicated that a fire risk exists in the box body, and the controller can control a second electromagnetic valve to be opened; inert gas in the gas compression tank enters the box body through the gas outlet pipe to dilute the oxygen concentration in the box body, so that fire cannot occur in the box body.

The present invention belongs to the technical field of ventilation regulation in underground mines, and particularly relates to an intelligent pneumatic air window precise regulation device and method for underground mines. The regulation device includes a pneumatic air window, a controller, and an air volume sensor. The pneumatic air window is installed at the ventilation opening of the underground roadway wall in the mine and is driven by a pneumatic motor. Two air ports of the pneumatic motor are respectively externally connected to compressed air through an air pipe one and an air pipe two. The air volume sensor is installed in the underground roadway in the mine and faces the pneumatic air window. Compared with the prior art, (1) the use of the present invention can avoid repeated regulation of the pneumatic air window in underground mines; (2) the regulation method of the pneumatic air window in underground mines of the present invention adopts the method of gradually reducing the single regulation amount in proportion, making the regulation efficiency higher; (3) the intelligent pneumatic air window precise regulation device and method for underground mines of the present invention have strong applicability and can meet the regulation requirements of pneumatic air windows with different structures and different properties.