3051 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 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.

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.

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.

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.

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.

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.

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 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 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.

The invention discloses a micro-fluidic chip, a sensing electrode and a sensor of wearable equipment, belongs to the technical field of electrochemical method testing, and solves the technical problem that an existing wearable sensor cannot improve the sensitivity and accuracy of sweat component detection. The micro-fluidic chip comprises a substrate layer, a channel layer and a chip cover layer which are attached in sequence, the substrate layer comprises a sweat inlet and a cavity, the channel layer comprises a sweat absorbing opening, a micro-channel, a detection area, a capillary pump, a stop valve and a ventilation opening which are communicated in sequence, the sweat inlet is communicated with the sweat absorbing opening, and the cavity is communicated with the detection area. The sensing electrode is of a four-layer structure, and a working electrode located on a working electrode layer is manufactured through a chemical process. In a sensor of the wearable equipment, a sensing electrode is embedded in a cavity of a micro-fluidic chip and is used for being in contact with sweat flowing into the cavity, so that the content of glucose, sodium ions and cortisol in the sweat is detected. The method is suitable for the technical field of wearable sweat detection and can be applied to research and development of wearable detection equipment.

The utility model belongs to the field of bearings, and discloses a bearing with a heat dissipation structure, which comprises an outer ring, an inner ring and balls, the outer ring is rotatably connected with the inner ring, the balls are respectively rotatably connected with the outer ring and the inner ring, the outer ring is connected with a fixed ring frame, the fixed ring frame is connected with a mounting seat, the outer ring is connected with a heat conduction ring, and the heat conduction ring is connected with a heat conduction rod. The heat conduction rod is connected with heat dissipation fins, the heat dissipation fins are located on the inner side of the fixing ring frame, the installation base is connected with a suction fan, the suction fan is connected with an air inlet pipe, the air inlet pipe is connected with the fixing ring frame, the fixing ring frame is connected with an air outlet pipe, and the installation base is connected with a ventilation opening. According to the technical scheme, the bearing can be cooled, the bearing cooling effect is improved, the bearing operation efficiency is improved, the service life of the bearing is prolonged, and the equipment operation cost is reduced; and air can annularly flow through the fixed ring frame, so that all positions of the outer ring can be uniformly cooled, and the cooling efficiency and the cooling quality are improved.

A system for delivering inactivated pathogens to an enclosure includes an air delivery system, the air delivery system comprising: (a) an air intake; (b) an air conditioning unit; (c) an air mover; (d) a UVC disinfection unit; (e) an enclosure; (f) an enclosure air entry vent; (g) an enclosure air discharge vent; and (h) an air circulation pathway going from the air intake through an air duct connected at one end to the air intake and at a second end to the enclosure air entry vent that opens into the enclosure, wherein the air duct provides a passageway through the air delivery system. A pathogen loading inlet is connected to the air circulation pathway. The enclosure is a room, a nursing home, an airplane, a train, a ship, or a critical care unit in a hospital. The enclosure can also be a free-standing and / or mobile unit.

The invention aims to provide a power supply cabinet of a UPS (uninterruptible power supply), and relates to the technical field of communication power supply equipment, the power supply cabinet comprises a shell, a ventilation opening is formed in the shell, a dustproof device matched with the ventilation opening in an aligned manner is further mounted on the shell, and the dustproof device comprises a dustproof shell, a dustproof net, a driving mechanism and two rotating shaft assemblies. The dustproof shell is installed on the outer wall of the outer shell and matched with the ventilation opening in an aligned mode, the two rotating shaft assemblies are located at the two opposite ends of the dustproof shell respectively and can be rotatably installed on the dustproof shell, the dustproof net is tensioned on the two rotating shaft assemblies, and the driving mechanism is connected with at least one rotating shaft assembly and drives the dustproof net to rotate circularly through the rotating shaft assemblies. The power supply cabinet of the UPS can effectively prevent dust from being attached and accumulated, and the working efficiency of the UPS is improved.

The invention belongs to the technical field of tunnel ventilation regulation and control, and particularly relates to a control method of a highway tunnel ventilation system based on wind speed. According to the invention, sensors are arranged at key positions of a tunnel, wind speed and environmental parameters are collected, and traffic flow detection is carried out by using video equipment and an SVM model. Then, a comprehensive evaluation function is defined according to the collected data to calculate ventilation requirements, and a ventilation mode is selected based on the ventilation requirements; thirdly, the opening degree of a ventilation opening and the speed of a draught fan are adjusted through a PID controller, so that the ventilation requirement is met. Finally, CFD software is used for simulating air flow, the ventilation opening layout and opening and closing time are optimized through a simulated annealing algorithm, and therefore ventilation efficiency optimization is achieved. In the whole process, accurate control and intelligent optimization of the tunnel ventilation system are achieved, the ventilation efficiency is improved, and the energy consumption is reduced.

The heat dissipation motor comprises a motor main body, an air cooling mechanism and a liquid cooling mechanism, the motor main body comprises a shell, a stator, a rotor, a rotating shaft and a driver, the inner part of the shell is provided with a first chamber and a second chamber, the stator and the rotor are both arranged in the first chamber, and the shell is provided with a ventilation opening; the air cooling mechanism comprises fan blades, the fan blades are fixedly connected to the rotating shaft and located at the ventilation opening, the fan blades are provided with a first air channel and a second air channel, the second air channel surrounds the first air channel, a plurality of first blades are arranged in the first air channel, a plurality of second blades are arranged in the second air channel, and the rotating direction of the second blades is opposite to that of the first blades; the liquid cooling mechanism comprises a radiator, a refrigerator and an oil pump, the radiator is arranged on the driver and used for absorbing heat of the driver, the oil pump is connected with an oil pipe, the radiator and the refrigerator are in closed-loop connection through the oil pipe, and the refrigerator is used for cooling oil in the oil pipe. The heat dissipation efficiency is improved; and the energy consumption is reduced.

The utility model discloses a ventilation structure for a box-type transformer station, which comprises a box body, two sides of the box body are fixedly communicated with an air inlet frame, the surface of the air inlet frame is provided with a plurality of ventilation openings, a dustproof net is fixedly connected inside the air inlet frame, a fan is installed inside the air inlet frame and located on one side of the dustproof net through a support, and a plurality of ventilation openings are formed in the air inlet frame. And the tops of the two air inlet frames are fixedly connected with a mounting frame, a mounting groove is formed in the mounting frame, a motor is mounted on one side of the inner wall of the mounting groove, and placing grooves are formed in the positions, located on the tops of the two air inlet frames, in the mounting frame. Through cooperative use of the fan, the mounting rack, the motor, the cleaning assembly and other structures, dust on the dustproof net can be automatically cleaned, through holes in the dustproof net are prevented from being blocked by external dust, air circulation is facilitated, the ventilation effect of the box-type substation is ensured, and the practicability of the ventilation structure is improved.

According to the refrigeration type extractor hood and the control method thereof, an oil smoke suction module of the refrigeration type extractor hood comprises an oil smoke suction fan, a heat dissipation module comprises a condenser and a heat dissipation fan, an inner unit module comprises an evaporator, an air outlet fan and a water receiving box, condensate water on the surface of the evaporator flows into the water receiving box, and a ventilation opening is formed in the volute annular wall of the oil smoke suction fan; an air outlet of the cooling fan is in fluid communication with the ventilation opening, a first water outlet pipe is connected to the water receiving box, and the water outlet end of the first water outlet pipe extends into the volute of the oil smoke suction fan. In the working process, condensate water flowing into the water receiving box enters the volute of the oil smoke suction fan through the first water outlet pipe, the volute impeller is cleaned through the high-temperature condensate water, the volute impeller is blown and washed through high-temperature air blown out of the air outlet of the cooling fan, and the oil accumulation rate of the volute impeller is reduced. According to the control method of the range hood, the working states of the water pump, the heater, the oil smoke suction fan, the cooling fan and other assemblies are correspondingly controlled according to the received signals of the temperature sensor, and then the cleaning effect and the intelligent degree of the fans are improved.

The invention relates to an assembly type distribution box, which comprises a distribution box main body, the shielding plate is fixedly connected to the top of the distribution box main body; the protective shell is fixedly connected to one side of the distribution box main body; the hinge is fixedly connected to the front side of the protective shell; the bottom of the distribution box body is fixedly connected with a bottom installation cabinet body, the lower part of one side of the bottom installation cabinet body is slidably connected with a filter screen frame, and the rear side of the filter screen frame is fixedly connected with a filter screen. According to the assembly type power distribution box, a first motor drives a first connecting rod to rotate and drives a cover plate to turn upwards, a driving bevel gear and a driven bevel gear are matched to drive a second connecting rod to rotate, and furthermore, a gear and a rack are matched to move a filter box to the position of a lower ventilation opening; and then moist air in the distribution box body is extracted through the ventilation fan, and the air entering the distribution box body is dried through the filter box, so that the normal operation of the distribution box is prevented from being influenced by relatively high humidity.

The utility model relates to the technical field of cleaning, and provides a cleaning system. The cleaning system comprises cleaning equipment and a base station, the cleaning equipment comprises a dust box and a filtering assembly, the dust box is provided with a ventilation opening, and the filtering assembly is arranged at the ventilation opening; the base station is used for maintaining the cleaning equipment, the cleaning equipment can be in butt joint with the base station, and the base station comprises a first channel and a first draught fan. The first channel is provided with a first air inlet end and a first air outlet end, and the first air outlet end can communicate with the ventilation opening; the first draught fan is provided with a first exhaust end, and the first exhaust end can communicate with the first air inlet end so that airflow of the first channel can be blown to the filtering assembly. According to the base station, the base station can blow garbage blocking or remaining on the filter assembly into the dust box, so that the phenomenon that the filter assembly is blocked by wet garbage after the cleaning equipment wades into water or swept wet garbage is reduced, the phenomenon that bacteria are generated by garbage accumulated at the wrinkles of the filter screen of the filter assembly is reduced, and cleaning of the base station on the cleaning equipment is achieved.

The utility model relates to the technical field of rail transit power distribution, and discloses a modularized terminal power distribution cabinet, when a cooling fan rises to a position above a ventilation opening along with a cover plate, a tangential air outlet is in an exposed state; on the contrary, when the cover plate descends to cover the ventilation opening, the cooling fan is completely contained in the inner cavity of the cable channel side cabinet, and according to the modularized terminal power distribution cabinet, after the cover plate ascends, the cooling fan can synchronously ascend to the position above the ventilation opening, so that the tangential air outlet is exposed. At the moment, the heat dissipation fan is started to absorb hot air in the cable channel side cabinet through the axial air suction opening and discharge the hot air through the tangential air outlet, so that the temperature of the cable in the cabinet body when the cable is electrified is reduced, and the equipment operation is more stable and safer. When the cooling fan is shut down, the cover plate descends to cover the ventilation opening, so that the cooling fan is completely accommodated in the inner cavity of the cable channel side cabinet, and the effects of preventing dust and protecting the cooling fan are achieved.

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.