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 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 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 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.

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 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 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.