2743 results about "Louver" patented technology

An evaporator air cooler having vertically stackable major components. A water reservoir is located within the bottom panel of the housing. A filtered media is positioned generally above the water reservoir. A fan is positioned above the water reservoir and the filter media. In this manner, the footprint of the unit is minimized. The warm air intake and the cool air discharge are located on the same side of the housing so that the unit may be placed against a wall thereby further minimizing the footprint. Automated controls are included to monitor temperature and humidity than oscillate the vertical louvers.

The invention relates to a large windward area shutter capable of stabilizing large environmental wind induced vibration, and belongs to the technical field of ventilation air conditioning, the large windward area shutter comprises a large shutter group, a driving assembly and a stabilizing assembly, the large shutter group is composed of N layers of large shutters arranged up and down, and N is an integer greater than or equal to 1; the large shutter comprises a window frame and M large shutters with rotating shafts, and M is an integer greater than or equal to 2; the width W of the large shutter is not less than 0.5 m and not more than 2.0 m, and the height H is not less than 1.0 m and not more than 3.0 m; the rotating shafts are installed in the middle of the upper end and the middle of the lower end of the large shutter and hinged to the window frame. The driving assembly is connected with M large shutter hinges of the large shutter; the stabilizing assembly is a transverse stabilizing piece set or a vertical stabilizing piece set or a combination of the transverse stabilizing piece set and the vertical stabilizing piece set. The transverse stabilizing piece group consists of one or more transverse stabilizing pieces and is connected with a large shutter of the large shutter; when N is greater than or equal to 2, the vertical stabilizing piece group is connected with two vertically-adjacent large shutters of the upper-layer large shutter and the lower-layer large shutter; effective constraining force is formed through the stabilizing assemblies, vibration displacement of the large shutters is reduced, and the stability of the large shutters is improved.

The invention belongs to the technical field of sunshade shutter control, and provides a dynamic photovoltaic sunshade shutter control method. Comprising the steps of photovoltaic shutter sunshade device construction, dynamic mathematical model construction, optimization target definition, original controller design, controller iterative optimization, control rule definition, weight strategy acquisition, shutter adjustment strategy generation and photovoltaic shutter sunshade device adjustment. According to the invention, through fusion of the model prediction control method and the rule-based control method, adaptive adjustment of the photovoltaic shutter sunshade device according to the optimization target and the custom rule is realized, and the flexibility and the universality of the device are improved.

A quickly installed, expandable, and modularly designed louver awning includes several leg tubes, a ring beam frame disposed on upper ends of the leg tubes, and a louver system disposed on the ring beam frame. The ring beam frame includes several ring beams slidably installed on the leg tubes, ring beam linings are firmly disposed in ends of the ring beams, and the ring beam linings are connected to the leg tubes through first fasteners. The ring beams and the leg tubes are connected through leg tube linings and the ring beam linings, so that structural strength of the ring beams and the leg tubes is increased, a part quantity is reduced, assembly is easier to operate with a smaller error, and the fasteners are not exposed, thereby providing better aesthetic appearance.

A refrigeration cycle device includes: a compressor; a heat radiating unit that causes refrigerant to heat air supplied to a space inside a vehicle cabin; a decompression unit that decompresses the refrigerant; an outside air heat absorbing unit that causes the refrigerant to absorb heat from outside air; a waste heat absorbing unit that causes the refrigerant to absorb waste heat of a waste heat device; a shutter that opens and closes a passage for the outside air introduced into the outside air heat absorbing unit; and a control unit that closes the shutter when it is determined that an amount of waste heat of the waste heat device is larger than an amount of heat absorbed by the refrigerant in the outside air heat absorbing unit and the waste heat absorbing unit.

The disclosure provides a turning and folding outdoor awning, which includes a support, a guide assembly, louvers, and a driving device. The support includes a rectangular frame and support legs. The guide assembly includes guide rods symmetrically arranged at two sides of the rectangular frame and slide seats in slide fit on the guide rods, and a connecting rod assembly is arranged between two adjacent slide seats. A plurality of louvers are provided and are arranged between the slide seats on the two guide rods. The driving device is connected with the slide seats and configured to drive the slide seats to slide and the louvers to rotate. The turning and folding outdoor awning provided by the disclosure is compact in structure, is capable of being turned and folded rapidly, is convenient and labor-saving to operate, and has a good using effect.

A radiator shutter for a motor vehicle for controlled engine ventilation, having a frame in which at least two louvres are mounted rotatably to pivot from a closed position to an open position. A motor which drives a single louvre is provided in or on the frame on an engine side of the frame. On the same side is a coupling element which synchronously transmits the rotation of the louvre to the other louvres. A locking disc is provided for each louvre on the mounting side of the frame facing away from the engine side of the frame, in the region of the mounting provided there for the louvres. The locking discs have a form which, if at least one of the locking discs does not rotate synchronously with all the other locking discs, blocks the rotational movement of the locking discs in a force-fitting and form-fitting manner.

The present invention discloses a louvered shed, and belongs to the technical field of sunshade facilities. In addition, the louver combination herein is arranged to be replaceable, and single-layer louvers and double-layer louvers can be selected according to the use requirements. Besides, whether a center sill body is mounted between the two cross beam bodies to support the louver combination can be selected according to the size of the louvered shed, and when the center sill body is additionally mounted, the louver combination is divided into two parts to be respectively disposed on two sides of the center sill body, which can avoid the problem of deformation of the louver combination due to its excessively large size.

A portable foldable blind has a has a bottom frame, first and second side panels, a front side and a back side. The blind also includes fascia elements over the front and back sides. The blind has inner roof frames which support the fascia elements and outer roof frames. The outer roof frames have handle portions. During deployment or folding, the outer roof frames can be braced against the sides of the blind to provide an alternative usage and to improve the ability for users to deploy the fascia elements.

The utility model belongs to the technical field of paint spraying tail gas treatment, and provides a water curtain cyclone paint spraying cabinet which comprises a cabinet body, a water curtain mechanism, a cyclone mechanism and a water circulation mechanism, the water curtain mechanism, the cyclone mechanism and the water circulation mechanism are respectively installed on the cabinet body, a suction cavity and a treatment cavity are arranged in the cabinet body in parallel, and the water curtain mechanism comprises a water curtain plate and a water tank arranged at the top of the water curtain plate. The water curtain plate is arranged on the side, close to the treatment cavity, of the suction cavity, the cyclone mechanism comprises a cyclone cylinder and a louver fan, the cyclone cylinder is arranged in the treatment cavity, the louver fan is rotationally arranged in the cyclone cylinder, the water circulation mechanism comprises a water tank, a water pump, a first flow guide plate and a baffle, the water tank is arranged at the bottom of the cabinet body, and the water pump conveys water in the water tank to the water tank and the cyclone cylinder; one end of the baffle plate is connected with the water curtain plate, the other end of the baffle plate extends towards the treatment cavity, the baffle plate covers the first guide plate, and the baffle plate and the first guide plate form a channel for communicating the suction cavity with the cyclone cylinder. The paint spraying waste gas treatment device is simple in structure and high in paint spraying waste gas treatment rate.

The utility model relates to the technical field of air coolers, in particular to a split type air cooler which comprises a fixed bin, a shutter, a connecting bin, a pipe bundle, a mounting plate, a first bolt, a square bin, a supporting frame, a connecting frame, a power assembly, a wind power assembly and a connecting assembly. Then a connecting bin and a fixed bin are fixed through a connecting assembly, a mounting plate moves to one side of the fixed bin, then a first bolt is tightened to fix a square bin, at the moment, a pipe bundle is connected with an external compressor, and then a power assembly above a supporting frame is used for driving a wind power assembly to suck external air into the fixed bin; the temperature of the tube bundle is controlled by the external compressor, at the moment, air is blown out through the shutter, and the equipment is assembled and transported in such a way, so that the transportation cost can be effectively reduced, and the installation efficiency of workers is ensured.

The invention provides a backpressure adjusting method and device for a natural ventilation direct air cooling system, and the method comprises the steps: obtaining the current backpressure of a steam turbine, and executing an up-cut step sequence when the current backpressure is greater than a set backpressure first preset difference value, and the up-cut step sequence comprises the steps: setting a first target sector as a new commissioning sector, and setting a second target sector as a second commissioning sector; the control mode of the shutter opening degree of the new commissioning sector is set to be automatic adjustment within the first preset opening degree range; when the current back pressure is smaller than a second preset difference value of the set back pressure, a down-cut step sequence is executed, and the down-cut step sequence comprises the step that the control mode of the shutter of the second target sector is automatically adjusted in the first preset opening degree range from the second preset opening degree range to the second preset opening degree range till the second target sector quits operation. By controlling the automatic switching of the sectors and the automatic adjustment of the opening degree of the shutter, the automatic adjustment of the back pressure is realized, the automation degree of the back pressure adjustment is improved, the precision and efficiency of the back pressure adjustment are further improved, and the efficiency of the generator set is improved.

A large fan blade type louver capable of eliminating transverse vortex at the end of a flow channel for ventilation regulation and control comprises a louver frame and a large fan blade set, and the louver frame is of a rectangular frame or a truss structure and used for installing and supporting the large fan blade set; the large fan blade group comprises 1-12 large fan blades which are vertically arranged and can eliminate transverse vortexes at the end part of the air inlet flow channel; the large fan blade comprises an end vortex eliminating sealing device, a fan blade body and a fan blade rotating shaft. The end vortex eliminating sealing device is installed at the end of the air inlet side of the fan blade and can also be installed at the end of the air outlet side of the fan blade. When the large fan blade set is fully opened, the end vortex eliminating sealing device can reduce transverse vortexes at the end of an air inlet flow channel between the end vortex eliminating sealing device and the adjacent large fan blade by optimizing the flow field at the end of the air inlet side of the fan blade, so that the additional air inlet resistance of the large fan blade is reduced, and the effective air inlet area is increased. The end vortex-eliminating sealing device is a vortex-eliminating sealing plate and can also be a vortex-eliminating sealing rectangular pipe, a vortex-eliminating sealing triangle or a vortex-eliminating sealing arc, and when the vortex-eliminating sealing device is arranged in the mode that the two sides of the vortex-eliminating sealing arc are arranged in an outwards-protruding arc mode, the vortex-eliminating sealing device can be combined with the fan blade to form an integrated large fan blade.

The invention belongs to the technical field of overall aerodynamic design of helicopters, and particularly relates to an infrared suppressor fairing of a helicopter and an air heat optimization design method of the infrared suppressor fairing. The fairing comprises a fairing body, a shutter air inlet, a square protective net air inlet, a second-stage exhaust pipe and a first-stage mixed exhaust pipe. The front of the fairing body is regarded as a half ellipse which is laterally cut along a long axis; a shutter air inlet is formed in the front portion of the fairing body, and the plane of a shutter is crescent A square protective net air inlet is formed in front of the top of the fairing body; an oval second-stage exhaust pipe is arranged behind the top of the fairing body so that high-temperature exhaust can be further cooled by means of downwash airflow of the rotor wings. A first-stage mixed exhaust pipe is sleeved in the second-stage exhaust pipe; and the primary mixing exhaust pipe is connected with an outlet of the transmitter. According to the method, the problem that the pneumatic performance and the thermal performance are difficult to consider in a traditional design method is solved, comprehensive optimization of the pneumatic performance and the thermal performance of the fairing is achieved, and a pneumatic design scheme of the infrared suppressor fairing is formed.

In an open-loop heat removal system for a building such as a data center or a home, cool air is supplied to the building by a chilling unit and hot air is expelled from the building without recycling, recirculating, or re-cooling the hot air. For fire suppression, the system receives temperature reading(s) from temperature sensor(s) and determines whether any temperature reading reaches or exceeds a temperature that indicates presence of a fire. If so, a louver positioned over an inlet module is automatically or programmatically closed, shutting off air supply to the building. The system determines whether the building is under a negative pressure internally. If not, an exhaust fan at the outlet of the building is turned on to create a negative pressure internally. The system determines whether an oxygen level of the building indicates that the fire has been contained. If not, a sprinkler system is activated.

A straddled vehicle, including: a head tube; a front fork supported by the head tube; a front wheel supported by the front fork; a left shroud and a right shroud located respectively leftward and rightward of the front fork and higher than the front wheel; a radiator located rearward of the front fork and between the left shroud and the right shroud; and a radiator grille located rearward of the front fork, between the left shroud and the right shroud, and forward of the radiator. The radiator grille has a plurality of louvers including a first louver. The plurality of louvers is lined in a transverse direction of the straddled vehicle. The first louver is located further inward of the straddled vehicle than any of the plurality of louvers other than the first louver, and projects more forward than any of the plurality of louvers other than the first louver.

A louvered fence bracket comprising at least two bracket portions, each comprising a rectangular bracket body, a first sliding prevention portion attached perpendicularly to a width of the rectangular bracket body, and at least one second sliding prevention portion attached perpendicularly to a length of the rectangular bracket body, at least one parallelogrammatic support body portion comprising a first short side and a second short side and attaches to a second length of the rectangular bracket body of one of the at least two bracket portions by the first short side and the length of the rectangular bracket body of another of the at least two bracket portions by the second short side to align the at least two bracket portions at a desired angle and a desired spacing, and at least one fastener receiver for attaching the louvered fence bracket to a fencing post using a fastener.

The intercooling tower shutter control system and method have the characteristics of self-adaption and high precision in the control strategy, the system can automatically adjust the control parameters in the actual operation, and the dependence on manual intervention is reduced. The complexity of operation and maintenance is reduced, and errors and faults caused by manual operation are reduced. And the problem of hysteresis or over-regulation possibly caused by a single controller is effectively avoided. By means of double-layer control, more stable control response can be provided when complex and changeable operation conditions are processed, and system instability caused by environment or load fluctuation is reduced. Through the double-layer fuzzy controller, more accurate temperature adjustment can be realized. The first-layer fuzzy controller is responsible for processing macroscopic temperature and wind speed changes, and the second-layer fuzzy controller is used for further finely adjusting the opening error and the change rate.

The invention relates to the technical field of disease and pest monitoring, and discloses an intelligent mechanical device for agricultural disease and pest monitoring, the intelligent mechanical device comprises a trapping box, the top of the trapping box is fixedly connected with a fixing frame, the inner wall of the fixing frame is provided with a louver board, the inner wall of the fixing frame is fixedly connected with a motor, and the motor is fixedly connected with the top of the trapping box. A first reciprocating screw rod is fixedly connected to the output end of the motor, a sliding rod is movably connected to the circumferential surface of the first reciprocating screw rod, a cleaning plate is fixedly connected to the outer surface of the sliding rod, a trapping lamp is installed on the inner wall of a second connecting frame, an electric power device is arranged on the inner wall of the trapping box, and a sieve plate is fixedly connected to the inner wall of the trapping box. After insects enter, the motor drives the cleaning and wiping plate to move in a reciprocating mode to clean the trapping lamp, the situation that light is reduced due to the fact that the insects gather on the trapping lamp is prevented, attraction to the insects is kept, the trapping lamp can continuously and effectively attract the insects, and the trapping efficiency is improved.

A heat exchanger includes: a plurality of flat heat transfer tubes each having an elongated cross-sectional shape, each including refrigerant flow passages therein, and arranged apart from and in parallel with each other; and corrugated fins each provided between associated adjacent ones of the flat heat transfer tubes. Each of the corrugated fins has fin portions each having a plate shape, and is bent into a wave shape such that the fin portions are arranged alongside of each other in an axial direction of the flat heat transfer tubes. The fin portions include louvers. The louvers are made as different types of louvers to have different configurations, such that the different types of louvers are provided at respective selected sets of fin portions, to thereby cause different amounts of frost to be formed on the fin portions.

An air inlet sealing shutter capable of minimizing ventilation resistance during opening belongs to the technical field of ventilation and air conditioning, and comprises a window frame and a vertical wide shutter group capable of minimizing ventilation resistance during opening, the vertical wide shutter group consists of M vertical wide shutters with rotating shafts, and M is greater than or equal to 2; the width W of the vertical wide shutter meets 0.5 m < = W < = 2.6 m, the ratio F of the thickness to the width of the vertical wide shutter meets 1 / 50 < = F < = 1 / 10, the vertical wide shutter with the ratio F of the thickness to the width is used for reducing ventilation resistance caused by the shielding area corresponding to the thickness of the vertical wide shutter when the shutter is opened, and meanwhile the wind resistance strength of the vertical wide shutter is maintained; the vertical wide shutter comprises an air inlet lap joint area, a solid shutter area and an air outlet lap joint area. When environmental wind exists and the shutter is opened, flow guide and vortex elimination are carried out through the vertical wide shutter blades with the width W and the air inlet lap joint area of the vertical wide shutter blades, so that the ventilation resistance of the shutter during inclined air inlet is minimized; when the louver is closed, air inlet sealing of the louver is achieved through alternate lap joint of the air inlet lap joint areas and the air outlet lap joint areas of the adjacent louvers.

Methods, systems, and apparatus for a speed regulator. A casing comprises a plurality of flat shutters, the casing configured to protrude in an extended configuration and to lay flat in a retracted configuration. A plurality of plates are configured to rotate between the extended configuration and the retracted configuration, and configured to configure the plurality of shutters in the extended configuration and the retracted configuration.

The embodiment of the invention discloses a control method for a shutter of a charging pile, the shutter and a related device, and the method comprises the steps: detecting that the charging pile is in a working state, determining the temperature in the charging pile through a temperature sensor, and determining the current rainfall through a rainfall sensor; determining a heat dissipation strategy according to the in-pile temperature and the first temperature; according to the in-pile temperature, the first temperature and the current rainfall, a waterproof strategy is determined; and adjusting a first opening and closing angle of an inner shutter of the shutter according to the heat dissipation strategy, and adjusting a second opening and closing angle of an outer shutter of the shutter according to the waterproof strategy. Thus, by adjusting the opening and closing angles of the inner shutter and the outer shutter, heat dissipation is guaranteed through the inner shutter, waterproof performance is guaranteed through the outer shutter, the strict application working condition of the outdoor charging pile is met, and the working efficiency and use safety of the charging pile are improved.

The utility model relates to a shutter, the shutter is used for a natural ventilation cooling tower, the natural ventilation cooling tower is provided with a windward side and a wind sheltering side, the shutter comprises a plurality of windward modules and a plurality of wind guide modules, the windward modules and the wind guide modules are connected to form the annular shutter, and the wind sheltering side and the wind sheltering side are connected to form the shutter. The louver is used for being arranged on the periphery of the natural ventilation cooling tower in a surrounding mode, the windward module is used for being arranged on the windward side and enabling air flow to have a windward air inlet direction, and the air guide module is used for being arranged on the wind sheltering side and enabling the air flow to have an air guide air inlet direction. And the windward air inlet direction is different from the air guide air inlet direction. By means of the technical scheme, the shutter can adapt to the actual situation of air flow around the natural ventilation cooling tower.

The invention relates to the technical field of drying, and discloses a solar heat collection tube heating and drying device and a tube row manufacturing method thereof.The solar heat collection tube heating and drying device comprises a first rack, and a first heat collection module is arranged on an inclined mounting platform formed by a first-stage step and a second-stage step of the first rack; a drying cavity defined by first steel plates is installed on the outer wall of the three-stage step of the first rack, and a first partition plate is arranged in the drying cavity. A second partition is arranged on the top surface of the first partition, a third partition is arranged on the side wall of the second partition, and an air delivery pipe is arranged between the third partition and the first partition; an air inlet shutter is mounted on the first steel plate, a fan opposite to the air inlet shutter is mounted on the second partition plate, and an exhaust shutter is mounted on the first steel plate; a supporting beam located above the third partition plate is arranged on the first rack, a footstand is arranged on the supporting beam, and a drying bin used for drying corn is placed on the footstand; according to the device, the solar energy utilization rate is increased through the heat collection structure, heat collection and drying chambers are reasonably partitioned, the airflow circulation path is clear, and stable drying of corn is achieved.

The utility model discloses a finished steel plate and equipment belt assembly type system installation structure which comprises a keel system, an integrated equipment belt and a hanging piece system. The keel system comprises hanging bars, hanging pieces connected with the hanging bars and main keels installed on the hanging pieces. The integrated equipment belt comprises a metal cover, an air opening shutter installed in the metal cover and a light-transmitting piece. The hanging piece system comprises a fixing piece, a special keel and a closing-up strip, the fixing piece is hung on the main keel, the upper end of the special keel is connected with the fixing piece, the lower end of the special keel is connected with the closing-up strip, a hanging groove is formed in the upper end of the closing-up strip, a hanging piece is installed on the outer side face of the metal cover, and the hanging piece is hung on the hanging groove. The mounting structure has the advantages of being simple to mount, attractive in decoration, detachable to assemble and good in appearance quality.

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.

The invention relates to the technical field of boiler flue gas dust removal and denitration, in particular to a boiler flue gas dust removal and denitration system which comprises a vertical inertial dust removal mechanism for guiding discharged flue gas and intercepting dust. The high-temperature dust remover is used for carrying out fine dust removal on the flue gas discharged by the vertical inertial dust removal mechanism; and the denitration device is used for carrying out denitration treatment on the flue gas subjected to dust removal and purification. Through self-adaptive mechanical linkage of the spindle air plug and the shutter mechanism, synchronous optimization of smoke flow velocity compensation and collision angle under the full-load working condition is realized, and the low-load dust removal efficiency is ensured not to be reduced; and in cooperation with spiral self-rotating cleaning and active cooling protection, the operation stability and the service life of the device in a high-temperature and high-dust environment are improved.

A fan module includes a mounting bracket, a fan and an anti-backflow device are detachably installed in the mounting bracket. The fan is configured to generate airflow along a predetermined direction, and the anti-backflow device allows the airflow to pass through. The fan is configured to generate airflow in another direction by being turned over, and the anti-backflow device allows the airflow in another direction to pass through be being turned over correspondingly. The anti-backflow device includes a louver assembly for one-way pass function. An electronic device comprising the fan module is also provided.

In an open-loop heat removal system for a building such as a data center or a home, cool air is supplied to the building by a chilling unit and hot air is expelled from the building without recycling, recirculating, or re-cooling the hot air. For fire suppression, the system receives temperature reading(s) from temperature sensor(s) and determines whether any temperature reading reaches or exceeds a temperature that indicates presence of a fire. If so, a louver positioned over an inlet module is automatically or programmatically closed, shutting off air supply to the building. The system determines whether the building is under a negative pressure internally. If not, an exhaust fan at the outlet of the building is turned on to create a negative pressure internally. The system determines whether an oxygen level of the building indicates that the fire has been contained. If not, a sprinkler system is activated.