62results about How to "Reduce indoor noise" patented technology

The invention provides an air conditioning system which independently controls temperature and humidity and a refrigeration / dehumidifying method. A cooling media circulation system, a water circulation system and an air supply system of an air duct machine are assembled to realize independent control of the temperature and the humidity, thus greatly improving comfort of a user and realizing energy saving.

The invention discloses a curtain wall natural ventilator comprising an upper frame material, a lower frame material, an air duct upper accessory, an air duct lower accessory, an inner frame material, a base material and a handle. The upper frame material is connected with a heat insulating rubber strip of the inner frame material, the lower frame material is connected with a heat insulating rubber strip of the base material, the upper frame material is positioned above the base material so as to form a basic ventilating temperature-preserving cavity body, the air duct upper accessory and the air duct lower accessory are arranged in the cavity body so as to form an S-shaped air duct, the inner side of the inner frame material is provided with a top material, a fan material, a grating and a grating frame material, the top material is embedded at the upper edge of the inner frame material, the fan material is rotatably connected with the inner frame material through hinge mechanisms at two sides, the grating and a grating frame material are fixed outside the fan material and cover the whole inner frame material, a stepless speed adjusting gear is arranged between the fan material and the inner frame material, the handle is rotatably arranged on the fan material, and a locking mechanism is arranged between the handle and the inner frame material. The invention has the advantages of energy conservation, noise reduction, heat insulation, good safety, and the like, and can realize continuous ventilation and be integrated with a curtain wall to improve the whole beautifulness.

The invention belongs to the field of air conditioners and heat-pump water heaters and relates to a frequency-conversion multi-split radiation central air-conditioning hot water unit. The frequency-conversion multi-split radiation central air-conditioning hot water unit comprises one or more outdoor unit and one or more indoor unit; and the outdoor unit is connected with the indoor unit through three refrigerant copper tubes of the steam pipe, the liquid tube and the high and low pressure tube. A radiation air-conditioning system is formed by the indoor unit together with a radiation terminaland a fresh air pipeline which are mounted indoors; and a heat-pump life hot water system is formed by the outdoor unit, a hot water tank and a hot water pipeline. According to the frequency-conversion multi-split radiation central air-conditioning hot water unit, both a summer refrigeration and water heating mode and a warming season radiation heating and fresh air dehumidification mode are operated under the refrigerant total heat recovery working condition; and in winter and summer, cold and heat in exhaust air are recovered deeply through a heat recovery condenser, cold in condensed watercan be recovered in summer, and by the aid of high-temperature cold water supply of a radiation water-temperature-changing portion, the whole unit is more efficient and saves more energy.

The invention discloses an air conditioning system, which comprises a compressor, a throttling element, a first heat exchanger, a second heat exchanger, a new fan, a radiant panel and a pressure equalization air duct, wherein the compressor, the first heat exchanger, the throttling element and the second heat exchanger are sequentially connected to form a refrigerating loop; the new fan is used for supplying air to the pressure equalization air duct; the radiant panel is arranged at the air outlet of the pressure equalization air duct; air supply holes communicated with rooms are formed in the radiant panel; the second heat exchanger is communicated with the pressure equalization air duct through the new fan and / or the second heat exchanger is communicated with capillary tubes of the radiant panel; the capillary tubes of the radiant panel are semielliptical; and heat exchange wires are arranged among the tubes to establish a heat bridge among tubes. According to the air conditioning system disclosed by the invention, the temperature rise and temperature drop of the radiant panel are more sensitive, the temperature is more uniform, air conditioning energy efficiency is improved greatly through the radiant panel and indoor noises can be reduced greatly by supplying air through micropores.

The invention relates to a split type automobile air conditioner which is provided with a front shell, a rear shell and a firewall, wherein the front shell is located in a compartment, and a heat exchanger for heating a flowing airflow is arranged in the front shell; the rear shell is positioned in an engine compartment or a motor compartment; and the front shell and the rear shell are connected through a firewall opening. In the air conditioner, from upstream to downstream in an airflow direction, an air inlet, an air blower positioned on the rear shell, an evaporator, upper and lower mixingair doors positioned on the downstream side of the evaporator, a heat exchanger, and upper and lower side air outlets are successively arranged, wherein the airflow from the air blower completely passes through the evaporator. A first plate rib is arranged between the upper mixing air door and the lower mixing air door and divides the airflow from the evaporator into an upper side airflow and a lower side airflow, the upper mixing air door and the lower mixing air door enable the airflow to selectively pass through the heat exchanger, and a second plate rib is arranged on the downstream side of the heat exchanger and guides the downstream airflow of the heat exchanger to the upper side and / or lower side air outlet. A noise reduction requirement in the compartment can be met, and the spacein the engine compartment or the motor compartment can be fully utilized.

The invention discloses a cabinet type water source heat pump air-conditioner, the cabinet body is a thin rectangular shell whose width is prominently larger than width, a bushing type heat exchanger and a fin type heat exchanger (2) are the thin rectangles whose width is prominently larger than width; the bushing type heat exchanger is provided above right end in the shell in a vertical shape, the fin type heat exchanger (2) is adjacent to the bushing type heat exchanger and slantwise provided above the shell, a fan (5) uses a centrifugal fan with upper opening, the fan (5) and an electric motor are disposed below a calandria heat exchanger (2); a compressor (4) is disposed at right end of the fan (5), an electric control box is provided above the compressor (4) and adjacent to the bushing type heat exchanger, a wind outlet is provided on top of the shell. The air-conditioner with small volume and thickness is suitable for the locations such as home, office, and business office, and the dust is not raised while the air-conditioner operates, thus comforting people.

The invention discloses a special plateau fan coil unit, which comprises a housing, a cold and hot coil and a low-pressure return air box. One end of the housing is provided with an air inlet, the other end is provided with an air outlet, and a cooling fan is fixed inside the housing. The heat coil; the suction port of the low-pressure air return box is used to be installed indoors and communicated with the indoor space; it is characterized in that it also includes an air compressor and a high-pressure air storage tank; the air inlet of the air compressor and the low-pressure return air box The air outlet is in sealing communication, the output port of the air compressor is in sealing communication with the intake pipe of the high-pressure air storage tank, and the high-pressure air supply pipe of the high-pressure air storage tank is in sealing communication with the air inlet of the housing. The above-mentioned fan coil unit has the advantages of simple structure, and can still maintain relatively ideal heat exchange performance under low-pressure environment, reaching the heat exchange capacity under standard air pressure. It is suitable for popularization and use in plateau low pressure environment.

The invention discloses an air conditioner without an outdoor machine. The air conditioner without the outdoor machine comprises an automatic control system of equipment and an air processor and is composed of a refrigeration device, an energy transition system and an air conditioner tail end cool air output system. An input end and an output end of the refrigeration device are respectively a hot end and a cold end, the energy transition system comprises a two-stage energy converter, the air conditioner tail end cool air output system comprises an air conditioner tail end device, the air processor and a fan coil pipe, an output end of the air conditioner tail tend cool air output system outputs cool wind through the fan coil pipe, and the equipment is controlled by the automatic control system. The working method includes (1) a working process of the refrigeration device, namely a refrigerating fluid circular process; (2) a working process of the energy transition system, namely refrigerant aqueous solution circular process; and (3) a working process of the air conditioner tail end cool air output system. The air conditioner without the outdoor machine and the working method have the advantages of changing a separation mode of an indoor machine and an outdoor machine of a traditional air conditioner, removing the outdoor machine of the air conditioner, and being a novel-concept air conditioner which is low-carbon, energy-saving, convenient to install and beneficial to air conditioner without the outdoor machine.

The invention relates to a central dust collection system, in particular to a central dust collection system with a movable dust collection port. The system comprises a fixed main dust collection device, a movable auxiliary dust collection device and a hose connecting a suction pipe of the main dust collection device and a discharging pipe of the auxiliary dust collection device. Work and stop ofthe main dust collection device and the auxiliary dust collection device are controlled by linked switches; the internal pressure of the hose is controlled to guarantee that the pressure is always positive pressure or light minus pressure. The central dust collection system can overcome the defects of conventional dust collection systems and has the advantages of small indoor noise, light and convenient holding part, easy cleaning, low energy consumption, and zero secondary flying dust pollution. When a dust collection port is away from the surface of an object for dust collection, the operation speed of a motor or the air quantity can be reduced to reduce power consumption; the system can restore the original state when the dust collection port is close to the surface of the object for dust collection.

The invention relates to the technical field of air conditioner units, in particular to an air conditioner unit with horizontal cross flow indirect evaporation refrigeration devices. The air conditioner unit comprises a unit shell, the indirect evaporation refrigeration devices and direct evaporation refrigeration devices; an exhaust fan and an air feeder are arranged in the unit shell, and the indirect evaporation refrigeration devices are arranged at the positions, located on the left side and the right side of the exhaust fan, inside the unit shell; each indirect evaporation refrigeration device is internally provided with an air returning channel, a first fresh air channel and a first spraying circulating water channel; and a first spraying device is arranged at the upper end face of each indirect evaporation refrigeration device. The air conditioner unit is compact in structure, small in appearance size and capable of effectively avoiding leakage hidden troubles during circulating water heat exchange, has the beneficial effects that energy is saved, uniform air outlet is achieved, the indoor noise is low, a water circulating system is simple in flow, running is safe and reliable, and the indoor air quality is high, and can achieve running under the multi-mode multi-station condition.

The invention discloses an energy-saving refrigerator, which comprises a refrigerator body, wherein a thermal insulation layer and a heat conduction plate are arranged in the refrigerator body; a second mixing cavity used for heat exchange is formed between the heat conduction plate and the thermal insulation layer; the second mixing cavity is provided with a sealing door used for controlling the second mixing cavity to be opened or closed. Because the second mixing cavity used for heat exchange is formed between the heat conduction plate and the thermal insulation layer, the abundant cold energy of outdoor air is used for partially or completely refrigerating the inside of the refrigerator, and the electric energy is saved. For example, outdoor cold energy can be directly and efficiently utilized by a semi-indoor refrigerator installed by drilling holes on the outer wall to refrigerate the refrigerator. Meanwhile, indoor noise generated by the refrigerator is reduced, residual heat is directly discharged out of a room, outdoor wind is favorable for cooling the refrigerator, the energy consumption of the refrigerator is lowered, the storage efficiency of the refrigerator is improved, the building filling material is saved, and the building use area is saved.

The invention discloses a curtain wall natural ventilation device, which includes a shell, a fan material and a insect-proof net in the device, wherein the shell is of a cuboid shape consisting of a cover plate, an inner frame material, an outer frame material, a lower frame material, an upper frame material, a left side plate and a right side plate, interior of the shell is a ventilation cavity, the upper frame material is of a groove shape with an upward opening, a ventilating opening is arranged at middle of the cover plate arranged at top, the material fan is arranged at the ventilating opening and is connected with the upper frame material through hinge mechanisms arranged at two sides of the material fan, a air channel upper chamber is formed between the material fan the upper frame material, the insect-proof net is arranged on the upper frame material below the fan material, the inner frame material and the outer frame material are arranged below the upper frame material and form a air channel lower chamber with the inclined lower frame material, and a air intake grating is arranged at the lower part of the outer frame material. The invention has advantages of the energy conservation, noise reduction, heat insulation and good safety, can continuously ventilate, integrate with the curtain wall and improve integral aesthetic feeling.

The invention discloses a laminated glass shutter, and belongs to the field of glass shutters. The laminated glass shutter comprises pre-tightening springs, belt pulleys, soft rope belts, a bidirectional motor, a signal receiver, a storage battery, guiding cams, limiting blocks, hooks, solar panels and laminated vacuum glass. The belt pulleys are arranged at the bottoms of the pre-tightening springs. The soft rope belts are arranged on the side portions of the belt pulleys. The bidirectional motor is arranged at the front ends of the soft rope belts. The signal receiver is arranged at the backend of the bidirectional motor. The storage battery is arranged on the signal receiver. The guiding cams are arranged on the storage battery. In cold winter areas, due to large indoor and outdoor temperature differences, freezing and frosting phenomena appears on a general glass door and window system, so that a hollow glass door and window system with built-in shutter is used; because the hollowglass door and window system with the built-in shutter good air tightness and water tightness, the phenomenon of moisture seepage is avoided, the frosting is effectively avoided. The guiding cams andlimiting blocks are arranged, and a closed electric structure is arranged, so that the reliability of the product is enhanced.

The invention relates to an air suction device, in particular to an air suction device suitable for a screw type air compressor in a compressed air station. The air suction device for the air compressor is characterized in that one end of an air suction pipe is connected with an air suction opening of the air compressor, and the other end penetrates the external wall of a building. The invention has the advantages that the air suction device for the air compressor directly sucks air from the outdoor, thereby reducing the energy waste and the indoor noise.

The invention provides an outdoor fresh air device. The outdoor fresh air device comprises an outdoor fresh air purifier, wherein the outdoor fresh air purifier comprises a shell, the shell is internally provided with an automatic cleaning and dust collecting device, a pre-filtering device, a purifying device and a power device from bottom to top in sequence, and air inlets are formed in the two sides of the shell correspondingly. The outdoor fresh air purifier is located outdoors, and only an air supply pipeline and an air outlet are left in a room, so that the indoor space is greatly saved,and the indoor noise is reduced; meanwhile, the automatic cleaning and dust collecting system is arranged, so that the outdoor fresh air purifier is free of frequent manual maintenance; and air can besupplied to all rooms through the air supply pipeline, so that fixed-point air supply is achieved, and controllability is high. The outdoor fresh air purifier can be automatically started and stoppedaccording to indoor air conditions, and the fresh and clean air can be supplied to the room.

The invention discloses an outdoor integrated air conditioner. The outdoor integrated air conditioner comprises a shell and a first heat exchange assembly, a compressor and a second heat exchange assembly which are arranged in the shell; the first heat exchange assembly comprises an evaporator, and the second heat exchange assembly comprises a condenser; and a sound insulation chamber is arrangedin the shell, and the compressor is arranged in the sound insulation chamber. According to the outdoor integrated air conditioner, the structure is compact, installation is convenient, the indoor space can be effectively saved, indoor noise is reduced, and the using comfortableness of a user is greatly improved.

The invention discloses a window air conditioner. The window air conditioner is divided into an indoor part and an outdoor part, wherein the indoor part is arranged in indoor environment requiring airadjustment; and the outdoor part is arranged outdoors. An underpan is provided with a baffle which divides the air conditioner into an indoor side circulation space and an outdoor side circulation space; the baffle is positioned in the middle of the outdoor part; an indoor centrifugal fan and an indoor fan volute shell are arranged in the indoor side circulation space but positioned in the outdoor part of the air conditioner; and both sides of an indoor heat exchanger are bent towards the outdoor side to form a C shape. The indoor fan is moved to a place far away from the indoor part, so thearea of the indoor heat exchanger is increased; and the fan is moved to the outdoor part and an air outlet is not changed, so indoor noise is reduced.

The invention discloses an elevating light-degree freezing machine comprising a refrigeration system, a light-degree freezing device and an electrical control system. A light-degree freezing liquid circulating system is arranged between the refrigeration system and the light-degree freezing device. The light-degree freezing device comprises a light-degree freezing machine box, a light-degree freezing liquid storage tank and an elevating storage basket component. The light-degree freezing liquid storage tank is internally provided with light-degree freezing liquid used for freezing an item at a light degree. The elevating storage basket component comprises an elevating storage basket box, an elevating mechanism and storage basket separating plates. The elevating storage basket box is connected with the output end of the elevating mechanism, and upward and downward movement of the elevating storage basket box is realized through the elevating mechanism. The elevating storage basket box is internally used for storing the light-degree freezing item. The electrical control system is divided into a manual control system and an automatic control system. The electrical control system is electrically connected with the elevating mechanism and used for controlling movement of the elevating storage basket box. The beneficial effects of the elevating light-degree freezing machine are that the elevating light-degree freezing machine is simple in structure, high in degree of automation, stable in frozen product quality and high in production efficiency.

The invention relates to a carbonation wooden wall and a construction method thereof. The construction method comprises the following steps: the base layer of a wall is connected with a keel frame, a wooden plywood base layer and a carbonation wood layer in turn, the side of the carbonation wooden wall is connected with an edging steel plate, wherein the keel frame is a space truss structure connected by crosswise keels and upright keels; the upright keels are fixed with the base layer of the wall through angle steel connection parts; the crosswise keels are connected between the upright keels; the wooden plywood base layer is spliced by wooden plywoods; the front of the unit block of each wooden plywood is connected with the carbonation wood layer, the back is fixed on the upright keels through screws; the carbonation wood layer has two kinds, namely carbonation wood block layer and carbonation wood ribbon layer; and the carbonation wood block layer is formed by staggered carbonation wood cylinders, and the carbonation wood ribbon layer is spliced by carbonation wood ribbons. The carbonation wooden wall has colourful visual impact, excellent effects of environmental protection and energy saving and low production cost and is suitable for high-grade indoor environment decorating projects such as hotels, guest rooms, bars and various private rooms.

The invention discloses a vibration isolating device for an air-conditioner outdoor unit. The vibration isolating device comprises a bottom stud, a rubber vibration isolating cushion and a bolt. A through hole vertically through is formed in the rubber vibration isolating cushion. A slot is formed in the side wall of the rubber vibration isolating cushion. An installing hole is formed in the end of the bottom stud. The end of the bottom stud is inserted into the slot. A threaded rod of the bolt penetrates through the through hole and the installing hole and is fixed to a support. A first gap is formed between the threaded rod and the wall of the installing hole. The vibration isolating device for the air-conditioner outdoor unit reduces vibration transferred to the support from the bottom stud, has a good vibration reducing effect, reduces vibration transferred to the wall from the support, and reduces noise transferred into a room through the wall. The vibration isolating device for the air-conditioner outdoor unit is applied to the air-conditioner outdoor unit, the vibration reducing effect is improved, vibration transferred to the wall from the air-conditioner outdoor unit is reduced, and then the noise in the room is reduced. The air-conditioner outdoor unit is applied to an air-conditioner, the noise in the room is reduced, and therefore the competitiveness of the air-conditioner is improved.

A novel split refrigerator comprises refrigerant circulation elements such as a condenser, an evaporator, a compressor, a capillary, and the like which are arranged outdoors. The evaporator is separately arranged in a heat insulation cavity body which is connected with an indoor box body through two pipelines; the heat exchanging between the indoor box body and the outdoor box body is carried out through air circulation so as to overcome the leakage problem of the refrigerant when mounting, disassembling and moving the refrigerator.

The invention relates to a split jet flow type smoke exhaust machine, belonging to split jet flow type smoke exhaust equipment for kitchens. The invention mainly solves the technical problems of incomplete smoke exhaust, high production cost, large occupied indoor space, great noise, time saving and labor saving for cleaning, large maintenance expense and the like existing in the traditional smoke exhaust machine. The invention has the technical scheme that the split jet flow type smoke exhaust machine comprises an indoor device and an outdoor device, wherein the outdoor device comprises an air blower device, a spray pipe, a smoke exhaust pipe, a smoke inlet and a shell, the air blower device is arranged on the inner wall of the shell, the oil inlet is arranged on the shell and is communicated with the smoke exhaust pipe, the smoke exhaust pipe is arranged on the inner wall of the shell, the spray pipe is installed at one end of the smoke exhaust pipe, an air outlet of the air blower device is connected with an air inlet of the spray pipe, and the other end of the smoke exhaust pipe is connected with a smoke outlet arranged on the shell; and the indoor device comprises a flexible pipe and a smoke extractor, the smoke extractor is connected with one end of the flexible pipe, and the other end of the flexible pipe is connected with the smoke inlet of the outdoor device.

The invention provides a fan unit which comprises fan equipment of a fresh air system. The fan equipment comprises a shell with an outdoor air inlet and an indoor air outlet, a filtering module positioned in the shell, a fresh air fan located in the shell and configured to guide air entering the shell to form airflow which passes through the filtering module and then is exhausted to the outside of the shell through the indoor air outlet, an evaporator positioned in an air path between the filtering module and the indoor air outlet, and a heater located in an air path between the evaporator and the indoor air outlet, wherein the evaporator is configured to form a refrigerant loop together with a compressor, a condenser and a throttling element which are located outside the shell.

The invention relates to the field of indoor ventilation and discloses an active fresh air window and a method for achieving indoor ventilation, aiming to solve the problems that an existing central pipeline type fresh air system requires pipeline arrangement to cause space occupation and adopts a negative pressure mode to enable unclean air to enter rooms while a window-type ventilation system affects lighting. A bay window is mounted on the outer side of a wall and provided with an air inlet, a fresh air handling unit which is a positive-pressure unidirectional-flow fresh air handling unit is mounted on the bay window, an air inlet of the fresh air handling unit is communicated with outdoor air, and an air outlet of the fresh air handling unit is communicated with the air inlet of the bay window. The fresh air handling unit is used for blowing the outdoor air to the indoor, and indoor air is exhausted to the outdoor via an exhaust blower to form air convection. The active fresh air window and the method for achieving indoor ventilation have the advantages that ventilation pipeline laying is unneeded and is irrelevant to whether rooms are decorated or not; the indoor air pressure is positive pressure, and accordingly entering of the unclean air can be avoided; efficient air convection can be achieved; indoor noise is reduced and filter material replacement is facilitated; the active fresh air window is applicable to various constructions.

The invention provides a combined fresh air module which comprises a front air inlet device, a header and a room fan coil which are sequentially connected, an air duct is arranged in the header, and the air duct is communicated with the front air inlet device and the room fan coil; an air inlet fan is arranged in the front air inlet device; during operation, outdoor fresh air is boosted by the air inlet fan and then is fed into the header, speed reduction, noise reduction and vortex elimination are performed in an air duct of the header, and the outdoor fresh air is fed into a room by the room fan coil.

The invention discloses a heat-preservation and fireproof external wall board for an ultra-low-energy-consumption building and a construction method of the heat-preservation and fireproof external wall board, and relates to the field of building external wall structures. The construction method comprises the following steps that 1, an aerated concrete board is installed, the aerated concrete wall board serves as a main stress structure to be installed, and all gaps of the aerated concrete board are sealed with adhesives and then sealed with waterproof gas insulation films and waterproof gas-permeable films; 2, a foamed ceramic concrete board is installed indoors; and 3, rock wool is pasted outdoors, and hanging net plastering is carried out to protect the rock wool. According to the invention, the thickness of the outdoor rock wool is reduced by increasing the indoor foamed ceramic insulation board, the safety degree of an external envelope system of the ultra-low-energy-consumption building is increased, the noise can be effectively lowered indoors through the foamed ceramic insulation board, and the construction cost is reduced.

The invention relates to a central dust collector connector device for a single-family wooden house. The central dust collector connector device comprises a connector device embedded box, and is characterized in that a dust collector coiled pipe interconnecting panel is arranged in the connector device embedded box; a dust collection channel hole is formed in the dust collector coiled pipe interconnecting panel; a sealing component is arranged at the periphery of the dust collection channel hole; and an induction switch is arranged on the dust collector coiled pipe interconnecting panel. Therefore, the device can serve as an effective connecting medium of a central dust collector, the using requirements can be met through a dust collector coiled pipe and a dust collection head only, and a heavy dust collector is prevented from being transported during operation; a main engine is not in the house, and the indoor noise is greatly reduced; and meanwhile, when a machine head exhaust pipe of the central dust collector is mounted, the exhaust pipe generally extends outwards, so that secondary pollution with tiny dust during exhaust of the traditional dust collector is avoided.

The invention discloses a construction material with the effects of sound absorption, sound insulation, heat preservation, anti-condensation, etc., a preparation method and the application thereof. The construction material consists of the following independent constituents: constituent I, constituent II and constituent III; wherein, the constituent I is a water-base interfacial agent; the constituent II mainly consists of the following constituents according to certain weight portion: 55 to 65 portions of plant fiber and 35 to 45 portions of caking agent; the constituent III is a sealing agent. The construction material of the invention is made of wood fiber by chemical treatment and the construction material is sprayed on the base surface of buildings, which has the effects of sound absorption, sound insulation, heat preservation and anti-condensation, fire protection, moulding prevention, etc. The construction material of the invention is completely suitable for being used on a base surface configuration of any building, such as arc form, waveform, etc., and also is suitable on large-scale public places needing sound absorption, sound insulation, heat preservation, anti-condensation, fire protection, etc. such as a gymnasium, a natatorium, an opera house, a cinema, an exhibition center, an airport, tunnel, an industrial factory building, a machinery room, etc.