7859results about "Ducting arrangements" patented technology

The present invention provides an air purifier including an outer case having a filtering cavity and a driving cavity spaced apart from each other, a filter received in the filtering cavity, a driving fan received in the driving cavity. The outer case has at least one air inlet and an air output. An air hub extends into the driving cavity. The air hub includes a first air drawing frame and a second air drawing frame coaxially formed with respect to the filter. An axial direction of the first air drawing frame is aligned with a longitudinal axis of the driving fan. The second air drawing frame extends peripherally, upwardly and radially from the first air drawing frame into the driving cavity.

The invention discloses a copper alloy pipe and a preparation method and application thereof, and the copper alloy pipe comprises the following components in percentage by mass: 0.01%-0.80% of Sn, 0.005%-0.05% of P, 0.01%-0.10% of Zr, 0.001%-0.01% of B, 0.001%-0.01% of Mn and the balance of Cu and inevitable impurities. Wherein the copper alloy pipe contains MnZr and BMn compound particles, the number of the MnZr compound particles on the cross section of the copper alloy pipe is 0.005-0.15 / mu m < 2 >, and the number of the BMn compound particles on the cross section of the copper alloy pipe is 0.005-0.2 / mu m < 2 >. By adding Zr, B and Mn and controlling the content of Zr, B and Mn, the preparation process and the like, the number and uniformity of MnZr and MnB compounds are regulated and controlled, and the tensile strength, ductility, corrosion resistance, bending, flaring, welding, pressure resistance and other machining performance of the copper alloy pipe are improved; and the prepared copper alloy pipe fully meets the application requirements of heat conduction pipes of air conditioner heat exchangers, air conditioner indoor and outdoor unit connecting piping and the like.

The invention relates to an energy-saving enthalpy difference test room, which comprises two adjacent rooms, namely an indoor environment simulation room and an outdoor environment simulation room, and further comprises an indoor air handling unit, an outdoor air handling unit and an indoor and outdoor air exchange unit, the outdoor environment simulation chamber is used for placing an outdoor unit of an air conditioner to be tested, the indoor air processing unit is installed in the indoor environment simulation chamber and can adjust the temperature of the indoor environment simulation chamber, and the outdoor air processing unit is installed in the outdoor environment simulation chamber and can adjust the temperature of the outdoor environment simulation chamber. The indoor and outdoor air exchange unit is communicated with the indoor environment simulation chamber and the outdoor environment simulation chamber, and cold / hot air generated by the indoor unit of the tested machine can be introduced into the outdoor environment simulation chamber.

A support assembly for a heating, ventilation, and / or air conditioning (HVAC) system includes a bracket comprising a base and an arm extending from the base. The arm includes a flange having a plurality of connectors configured to facilitate coupling to a clamp at each of a plurality of positions along the arm. The arm is configured to engage with and support a conduit of the HVAC system via the clamp.

The invention discloses a laboratory air-conditioning temperature control system and method based on artificial intelligence, and relates to the field of laboratory temperature control. Optimizing the positions of the air supply and exhaust outlets by using a pre-constructed airflow analysis model; according to the optimized positions of the air supply and exhaust outlets, the air conditioning system is used for controlling airflow to flow to the corresponding air supply and exhaust outlets, and directional airflow from the first area to the second area is generated; according to laboratory electrical load data, an optimal charging and discharging strategy of an energy storage device is generated by using a reinforcement learning algorithm, and the reinforcement learning algorithm enables an intelligent agent to learn optimal strategies in different states by constructing a state space including electricity price, electrical load, energy storage electric quantity and photovoltaic power generation and setting a reward function with maximum load stability. Aiming at the low laboratory temperature control precision in the prior art, the temperature control precision is improved by simulating an airflow velocity field and radiation quantity distribution and optimizing the layout of air supply and exhaust outlets by using CFD simulation and a genetic algorithm.

An air handling unit is disclosed, including a housing duct through which air is moved from an inlet to an outlet; a heat exchanger configured to facilitate a transfer of heat to and from the air moving through the housing duct; and a fan disposed inside the housing duct, configured for moving air within the housing duct. The fan includes a diagonal flow impeller having an axis of rotation arranged in-line with a direction of flow of air through the duct, wherein an air flow path through the impeller has a mean angle that is oriented along a direction divergent from the axis of rotation of the impeller. The fan further includes a set of axial outlet guide vanes disposed downstream of the impeller, configured to redirect a flow of air exiting the impeller to be substantially parallel to the axis of rotation of the impeller.

The invention relates to the technical field of air conditioners, and particularly discloses an energy efficiency management system based on air conditioner power utilization, which comprises an air conditioner group, a pipeline and a sub air conditioner unit, the sub-air-conditioning units are uniformly controlled through a platform controller; the controller is in telecommunication connection with the air conditioner group; the pipeline is formed by connecting air pipes through flanges; an air diffuser is arranged at the tail end of each branch; the controller carries out energy efficiency pre-adjustment on the air conditioner set by predicting the future human traffic of the indoor place; after the air conditioning unit carries out energy efficiency pre-adjustment, the predicted future people flow is corrected by monitoring the people flow in the indoor place in real time; and the controller carries out matching adjustment on the corrected human traffic and the energy efficiency of the air conditioning unit. A central air-conditioning system of a shopping mall can accurately match temperature requirements in different seasons, different weathers, different dates, different time periods and different visitor flows, and the dual purposes of saving energy and improving customer experience are achieved.

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.

The invention discloses a ventilation and air exchange device for a green building. The ventilation and air exchange device comprises a ventilation and air exchange box, a mounting plate, a ventilation and air exchange opening, a rotary air disc and fan blades. Mounting plates are fixed to the two ends of the two sides of the ventilation box, fixing pins penetrate through the interiors of the mounting plates, one ends of the fixing pins extend into the green building wall, and ventilation ports are formed in the two ends of the outer side of the ventilation box. According to the ventilation device for the green building, a fan motor is used for driving a linkage shaft to rotate, and a transmission assembly is matched to enable a fan shaft to rotate synchronously, so that two rotating wind discs and a plurality of fan blades are driven to rotate, outdoor fresh air is extracted and fed into the green building, and the ventilation effect is improved. According to the indoor air purification device, vitiated air, harmful gas and microorganisms in a building can be effectively diluted and discharged, so that the indoor air quality is improved, a healthier and more comfortable living environment is provided for people, indoor oxygen can be effectively supplemented, and the freshness and vitality of indoor air are kept.

The utility model discloses a fluid pipeline and a heating and ventilation device. The fluid line includes: a first steel pipe; a second steel pipe; the first transition part is connected with the first steel pipe, and part of the first transition part protrudes out of one axial end of the first steel pipe to form a first protruding part; the second transition part is connected with the second steel pipe, and the part of the second transition part protrudes out of one axial end of the second steel pipe to form a second protruding part; a gap is formed between the end face of one axial end of the first steel pipe and the end face of one axial end of the second steel pipe in the axial direction of the fluid pipeline. According to the fluid pipeline, the gap is formed between the end face of one axial end of the first steel pipe and the end face of one axial end of the second steel pipe in the axial direction of the fluid pipeline, and under the condition that the first protruding part and the second protruding part are welded, welding heat between the first transition part and the second transition part is prevented from being welded to the first steel pipe and the second steel pipe; therefore, the safety of the fluid pipeline is improved.

The invention relates to the technical field of air conditioning systems, in particular to an automatic pressure difference adjusting device for a clean room. According to the scheme, when pressure difference maintaining work is conducted, air in an air inlet pipe enters a bearing frame, then is guided out of an air guide frame opening and finally flows out of an air outlet grid; in the process, the air body firstly passes through the impurity removal auxiliary assembly, and a plurality of annular and rotatable adhesion cotton swabs are arranged in the impurity removal auxiliary assembly to perform primary impurity removal and filtration on the air body, so that the impurity removal pressure of the filter screen plate body is reduced, and most impurities are adhered to the adhesion cotton swabs; the problem that the filter screen plate body is blocked in a short time is avoided, namely the situation that ventilation power of an air conditioner needs to be increased when pressure difference maintaining work is carried out is avoided, and a certain beneficial effect on energy conservation of the air conditioner is achieved; in addition, the air outlet grid can be independently detached, the bearing frame does not need to be integrally detached, and the positive influence on indoor pressure difference stability and air conveying work is achieved.

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.

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 invention belongs to the field of air treatment equipment, and particularly relates to a water carrier negative ion generating device. Comprising a water carrier anion generating structure and a water supply device, the water carrier negative ion generation structure generates negative air ion airflow and water mist in an internal and external airflow duct mode, and water carrier negative ions are output after the water mist is guided to flow in the same direction and mixed through the injection effect of the negative air ion airflow; the water supply device supplies water to the water carrier negative ion generation structure in the mode that water is stored below the water carrier negative ion generation structure, condensate water is recycled, and water is transferred and conveyed from the upper portion of the water carrier negative ion generation structure. According to the water supply system, long-distance water carrier negative ion conveying can be provided, stored water, supplied water and condensed water can form a closed-loop water circulation system, compared with a traditional open type water supply system, the water saving rate is remarkably increased, and the loss of the condensed water is reduced.

There is provided a ventilation-type silencer that uses a porous sound absorbing material and has high sound deadening performance in a low frequency band. A ventilation-type silencer includes an inlet-side vent pipe, an expansion section that communicates with the inlet-side vent pipe and has a cross-sectional area larger than a cross-sectional area of the inlet-side vent pipe, and an outlet-side vent pipe that communicates with the expansion section and has a cross-sectional area smaller than the cross-sectional area of the expansion section. The ventilation-type silencer includes a porous sound absorbing material that is disposed in at least a part of the expansion section, a back space that is a space in the expansion section formed on a side of the porous sound absorbing material opposite to a flow channel connecting the inlet-side vent pipe and the outlet-side vent pipe, and a partition member that partitions the back space. A region partitioned by the partition member forms an acoustic resonator, and the acoustic resonator is acoustically connected to the flow channel.

The invention belongs to the field of air purification equipment, and particularly relates to an air purifier which comprises a lower shell, an upper shell, a lower shell, an upper shell, a lower shell, a first air inlet and a second air inlet, an air inlet channel is jointly defined by the support, the inner surface of the filter element and the bottom of the lower shell, and a communicating hole is formed in the support; the upper shell is mounted above the lower shell, and an air outlet hole is formed in the top of the upper shell; the wind wheel is rotationally arranged in the upper shell, the wind wheel and the air inlet channel are coaxially arranged, and an air supply channel is jointly defined by the upper shell, the first flow guide wall and the support; when the wind wheel rotates, air can enter the lower shell through the air inlet hole, then is filtered by the filter element and enters the air inlet channel, and the air in the air inlet channel can be driven by the wind wheel to enter the air supply channel through the communicating hole and is exhausted through the air outlet hole. According to the air purifier structure, the number of parts can be reduced, the production cost is saved, the production efficiency can be improved, and the size is reduced.

Provided is a duct connecting apparatus that is easily mounted on an air conditioner and an air conditioner including the same. The duct connecting apparatus that connects a duct to an inlet of an air conditioner includes a housing provided with an intake hole communicating with the duct and a discharge hole communicating with the inlet, a latch part provided on a lower end of the housing and configured to be seated and mounted on a lower edge of an edge defining the inlet, and a coupling part provided on the housing and configured to detachably couple the housing to an outer surface of the air conditioner.

A central air conditioner air outlet with a negative ion coupling purification and disinfection function comprises a shell, a front cover is arranged in front of the shell, an air outlet is formed in the front cover, an air guide plate is arranged in the air outlet, an air inlet is formed in the rear of the shell, a dust collection charged assembly is further arranged in the shell, and an integrated control assembly is further arranged on one side of the dust collection charged assembly. Aiming at the defects in the prior art, the utility model provides the central air conditioner air outlet with the negative ion coupling purification and disinfection functions, particulate matters are adsorbed through micro static electricity, and harmful microorganisms such as germs and the like can be disinfected by using negative ion charges. The negative ion air conditioner is further provided with a negative ion generating device, and by means of the negative ion generating device, negative ions can be continuously released into a room when the air conditioner runs, so that the sleep quality can be improved, fatigue can be relieved, and immunity can be enhanced while indoor air is purified. In conclusion, the negative ion purifier is suitable for the field of negative ion purification equipment.

The utility model relates to the technical field of air conditioning, in particular to a fresh air module and an air conditioner with the fresh air module, and aims to solve the problem that in the prior art, a fresh air module of a fresh air ventilator or an air conditioner is single in function. In order to achieve the purpose, the fresh air module comprises a shell and a fan arranged in the shell, a fresh air inlet and a fresh air outlet are formed in the shell, the fresh air inlet is communicated with the outdoor space, the fresh air outlet is communicated with the indoor space, and an air return opening is further formed in the shell and communicated with the indoor space. The return air inlet and the fresh air inlet are formed in the air inlet side of the fan, and the fresh air outlet is formed in the air outlet side of the fan. Through the arrangement of the return air inlet, the fresh air module has the fresh air function and the air circulation function, the requirement of people for fresh air can be met, the comfort level can be improved, and the user experience is effectively improved.

The embodiment of the invention discloses a liquid water source collecting device, an air conditioner, a control method and related devices.The liquid water source collecting device comprises a liquid collecting assembly, a liquid enriching assembly, a first pipeline assembly and a second pipeline assembly, in the using process, the first pipeline assembly is used for supplying air to a moisture absorbing and discharging part, and the second pipeline assembly is used for supplying air to a moisture absorbing and discharging part; the moisture absorption and removal part captures water vapor and water vapor in the air, then the energy supply assembly can provide energy for the moisture absorption and removal part, the moisture absorption and removal part is promoted to release the water vapor, and the water vapor can be supplied to the liquid collection assembly through the second pipeline assembly to be stored. On the basis of the liquid water source collecting device provided by the embodiment of the invention, liquid water can be automatically supplemented into the liquid collecting assembly by utilizing water vapor and water vapor in the air, so that a user does not need to supplement water or the water supplementing frequency of the user can be greatly reduced, the water using convenience of an electric appliance can be guaranteed, and the user experience is improved.

An air duct interface for an aircraft engine is disclosed herein. The air duct interface includes a first air duct, a first outer wall, a mating interface disposed circumferentially around the first outer wall, a second air duct, a second outer wall, and a gasket interface disposed circumferentially around the second outer wall. The mating interface includes a first angled portion extending away from the first outer wall in a first direction and a second angled portion extending away from the first outer wall in a second direction opposite the first direction. The gasket interface includes a first portion extending away from the second outer wall in the first direction, wherein the first portion is configured to engage the first angled portion and a second portion extending away from the second outer wall in the second direction, wherein the second portion is configured to engage the second angled portion.

The invention relates to an air inlet neck (1) for a motor vehicle air conditioning system, said neck being intended to be mounted on the front wall of a bulkhead (T) which delimits, towards the front, the passenger compartment of the vehicle and which is provided with a through opening (B) into which a sleeve (11) carried by said neck is inserted and in which an interface (2) grouping fluid lines (3) is housed, characterized in that the sleeve (11) of said neck is extended downwards as a single piece by a plate (12) for closing the portion of the opening (B) surrounding the interface (2) of the fluid lines (3). (Fig. 2)

The utility model relates to the technical field of air conditioning, in particular to an air supply structure, an air supply system and a koji room. The air supply structure comprises an air supply branch pipe, a first air valve assembly and a second air valve assembly. One end of the air supply branch pipe is an air inlet end, and an air supply section with a plurality of air supply holes in the pipe wall is formed on the air supply branch pipe; the first air valve assembly comprises a first driving mechanism and a first air valve arranged in the air supply section, and the first driving mechanism is configured to drive the first air valve to move in the air supply section so as to be close to or away from the air inlet end; the second air valve assembly comprises a second air valve arranged in the air supply section, and the second air valve is located between the first air valve and the air inlet end. According to the method, targeted air supply can be conducted on the local heating area in the space, unnecessary whole-area air supply is reduced, cooling capacity is concentrated in the hot spot area, the method can adapt to constantly-changing hot spot positions, and the air supply area and the air supply amount can be adjusted.

An air conditioner unit may include a bulkhead defining an indoor portion and an outdoor portion, a vent aperture defined in the bulkhead, and a fan assembly for urging a flow of make-up air from the outdoor portion through the vent aperture to the indoor portion. The fan assembly includes a fan housing having two clamshell upper and lower portions that collectively define a fan slot, an arcuate filter slot, and a make-up air duct in fluid communication with the vent aperture. An auxiliary fan is positioned within the fan slot of the fan housing an air filter is positioned within the filter slot.

The utility model discloses a mechanical pressurized air supply structure for an antechamber of a building, comprising an air inlet pipe, a pressurized air supply fan, an electric regulating valve, a 70°C fire damper, an electric normally closed valve, a pressurized air supply port, a residual pressure sensor, an air supply main pipe and an air supply branch pipe, wherein the air inlet pipe and the pressurized air supply fan are arranged in a special fan room, and the air supply main pipe is laid in a civil engineering air shaft; the air supply branch pipe passes through a partition wall of the civil engineering air shaft and is laid on the top of an upturned beam bottom of an antechamber, the air supply branch pipe is connected with the air supply main pipe, the air inlet pipe is connected with the pressurized air supply fan, the pressurized air supply fan is connected with the air supply main pipe through the electric regulating valve and the 70°C fire damper in sequence, and the air supply branch pipe entering the antechamber of each floor is provided with an electric normally closed valve and a pressurized air supply port. The utility model arranges an upturned beam at the partition wall of the civil construction air shaft so that the top of the pressurized air supply branch pipe is close to the upturned beam and the bottom is almost level with the bottom of the top plate of the front room, and is laid to connect to the front room. The air duct occupies a small net height of the front room, and at the same time, a suspended ceiling decoration is adopted to eliminate the influence of the air supply branch pipe extending into the front room on the visual impact of the front room.

The invention discloses a water source type fresh air handling unit capable of independently controlling temperature and humidity. The condensation and dehumidification assembly is arranged in the shell, the condensation and dehumidification assembly comprises a dehumidification air duct, a water collecting tank is driven by the bottom of the dehumidification air duct, an evaporator and a condenser are installed in the dehumidification air duct in parallel, and a first fan is fixedly connected to one end of the dehumidification air duct and used for introducing indoor or outdoor air; through the design of the water pump, the sealing box and the nozzle, automatic high-pressure washing of the evaporator is achieved, the evaporator is kept clean, and the service life of the device is prolonged; when fresh air needs to be introduced, indoor and outdoor air exchange is easily achieved by switching cooperation of the air channel and the draught fan, and the freshness of the indoor air is guaranteed. A floor heating water source is used for heat exchange, and indoor temperature and humidity are adjusted by transferring indoor energy.

The invention relates to the technical field of household appliances, and discloses an air outlet device and a household appliance, the air outlet device comprises a shell and an airflow adjusting device arranged in the shell, the shell is provided with an air inlet and at least two air outlets, and the at least two air outlets discharge air in different directions; the airflow adjusting device can generate airflow and convey the airflow to the at least two air outlets. Through the at least two air outlets formed in the shell, air can be discharged in different directions, the air supply range of the air outlet device is expanded, the whole house can be rapidly heated or cooled, the use requirement of a user for rapidly reaching the set temperature is met, and the problems that in the prior art, an air outlet device is single in air outlet direction, limited in air supply range and poor in practicability are solved. And the use experience is not good.

Methods and systems for an air conditioning unit is provided. The air conditioning unit includes a housing having a first compartment and a second compartment separated from the first compartment by a partition disposed in the housing, the housing including an air inlet and an air outlet. A refrigerant circuit includes a compressor disposed in the first compartment. An air flow path extends through the second compartment. The air flow path is arranged to route air flow from the air inlet to the air outlet, and a blower is disposed in the air flow path. A refrigerant leak detection system is configured to detect a refrigerant leak within the housing. An inducer is disposed in the housing. The inducer is configured to move air from the first compartment into the air flow path upon detection of the refrigerant leak by the refrigerant leak detection system.

The utility model discloses an anti-blocking fresh air pipeline device for air purification, and relates to the technical field of anti-blocking fresh air pipeline devices for air purification, and the technical scheme is that the anti-blocking fresh air pipeline device for air purification comprises a cleaning pipe, and the periphery of the right side of the cleaning pipe is movably connected with a plurality of cleaning rings; a water spraying ring is arranged on the periphery of the rear end of the left side of the cleaning ring, an auxiliary ring is fixedly connected to the periphery of the left side of the cleaning pipe, a plurality of water spraying nozzles are arranged on the peripheral surface of the water spraying ring, and a plurality of air spraying nozzles are arranged on the peripheral surface of the air spraying ring; an inner gear is arranged in the cleaning ring, a water inlet pipe is movably connected to the middle of the left side of the water spraying ring, an air inlet pipe is movably connected to the lower end of the left side of the air spraying ring, and an electric wheel is movably connected to the front end of the left side of the cleaning pipe.

A method of installing a flush mount register assembly into an opening of a surface, the method comprising the steps of: securing at least one mounting bracket to the surface; resting the flush mount register assembly on the at least one mounting bracket, the flush mount register assembly comprising a register, a substrate tray nested within the register via a plurality of struts, and having a continuous peripheral gap defined between the substrate tray and the register; and a damper box; and securing the register to the at least one mounting bracket.