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48results about How to "Increase fresh air volume" patented technology

Air-conditioner, fresh air exchange device and fresh air exchange control method

The invention relates to an air-conditioner, a fresh air exchange device and a fresh air exchange control method. The air-conditioner fresh air exchange device comprises a shell, a fresh air pipe and a dirty air pipe, a fresh air cavity, a dirty air cavity and a heat exchanger are arranged in the shell, the fresh air cavity is communicated with the fresh air pipe through the heat exchanger, and the dirty air cavity is communicated with the dirty air pipe through the heat exchanger; a fresh air fan is arranged in the fresh air cavity, a dirty air fan is arranged in the dirty air cavity, and a double-shaft motor connected with the fresh air fan and the dirty air fan is arranged between the fresh air cavity and the dirty air cavity; a through hole is formed in the position, between the outdoor side and the indoor side, of a wall, the shell is arranged at the position, close to the through hole, of the outdoor side of the wall, the fresh air pipe and the dirty air pipe are embedded into the through hole, and a filtration purification module capable of being pushed and pulled is arranged at the position, located in the through hole, of the fresh air pipe; and the fresh air pipe can be pushed in and pulled out from the indoor side through the filtration purification module capable of being pushed and pulled. The fresh air exchange device is large in fresh air amount, the filtration purification module can be conveniently replaced, and the electric energy can be saved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Tube-plate evaporative condensing air-conditioning unit with packing

The invention provides a tube-plate evaporative condensing air-conditioning unit with packing. The unit comprises an evaporation and air supply unit and a compression and condensing unit. The evaporation and air supply unit consists of a drying and filtering device, an expansion valve, an evaporator and a centrifugal fan which are sequentially connected, and the compression and condensing unit is formed by connecting a compressor and a condenser; the condenser is connected with the drying and filtering device, and the compressor is connected with the evaporator; the air-conditioning unit is provided with a condensate recovery system which is formed by connecting a condensate recovering collector of the evaporator with the condenser by a tube or a water pump; and an indoor air supply system of the evaporation and air supply unit consists of an outdoor fresh air inlet of the evaporator, a unit air supply outlet and the centrifugal fan, or consists of the outdoor fresh air inlet of the evaporator, a unit return air inlet, the unit air supply outlet and the centrifugal fan. The tube-plate evaporative condensing air-conditioning unit has high heat exchange efficiency, and can realize maximal energy recovery and reduction of energy consumption and water consumption, effectively solves increased energy consumption resulting from increased fresh air volume of an air-conditioning system and realizes double performance of saving energy and water and health care.
Owner:GUANGZHOU WIDE IND

Efficient wall-penetrating-type fresh air purifying device

The invention discloses an efficient wall-penetrating-type fresh air purifying device, and belongs to the technical field of fresh air purifying. The efficient wall-penetrating-type fresh air purifying device comprises an indoor face plate, a wall penetrating body, an inner barrel, an outer barrel and an outdoor air-inlet rain cover. The outer barrel is in sliding fit with the inner barrel, and the outer side of the outer barrel is in close fit with the inner wall of a wall hole. An HEPA filter, a low efficiency filter and a full-plastic-packaging axial flow fan are arranged in the wall penetrating body. The HEPA filter is an HEPA folded conical core filter. The HEPA folded conical core filter comprises an HEPA folded filtering conical core, a top positioning disc and a bottom air stopping disc. The HEPA folded filtering conical core is connected with the bottom air stopping disc through hot melt adhesive and connected with the top positioning disc through hot melt adhesive. The diameter of the top of the HEPA folded filtering conical core ranges from 100 mm to 500 mm, the diameter of the bottom of the HEPA folded filtering conical core ranges from 30 mm to 400 mm, and the height of the HEPA folded filtering conical core ranges from 100 mm to 300 mm. A circular air hole is formed in the middle of the top positioning disc, and the diameter of the circular air hole ranges from 70 mm to 470 mm. The efficient wall-penetrating-type fresh air purifying device has the beneficial effects of being low in density, small in air resistance, large in air volume, long in service life, low in cost and ideal in dust removal effect.
Owner:NINGBO DONGDA AIR CONDITIONING EQUIP

Climate system for intensively controlling indoor air comfort level

The invention relates to a climate system for intensively controlling indoor air comfort level, which comprises an indoor air quality system, an outdoor machine, an indoor machine, a carbon dioxide sensor, a humidifier, a touch screen and a pipeline, wherein the air quality system is respectively connected with the outdoor machine, the indoor machine, the carbon dioxide sensor, the humidifier and the touch screen through the pipeline; the touch screen sets and displays indoor air quality, temperature and humidity and carbon dioxide concentration; and indoor climate is adjusted through operating the touch screen. Compared with the prior art, the invention has the advantage that the climate system enables convenient and visual operation, can effectively adjust the indoor temperature and improves the indoor air quality and the like.
Owner:BLLC ENVIRONMENT TECH

Air conditioning system combined by indirect evaporation chiller plant and traditional mechanical refrigerating unit

ActiveCN101995067AReasonable use of energyRealize energy-saving regulationEnergy recovery in ventilation and heatingLighting and heating apparatusRing typeIndoor air
The invention discloses an air conditioning system combined by an indirect evaporation chiller plant and a traditional mechanical refrigerating unit. As for the air conditioning system, a surface heat exchanger, a water ring type compression refrigerating unit and a blower are successively arranged in the casing of an air handling unit (AHU) from an air inlet to an air outlet; the discharging tube of the indirect evaporation chiller plant is connected with the water inlet of the surface heat exchanger of the AHU; and one branch tube of a three-way connection of the discharging tube of the surface heat exchanger is connected with the water inlet of the water ring type compression refrigerating unit through a valve, the discharging tube of the water ring type compression refrigerating unit is connected with the water inlet of the indirect evaporation chiller plant, another branch tube of the three-way connection is connected on a pipeline of the discharging tube of the water ring type compression refrigerating unit through a valve, and the air outlet of the blower is led to an air conditioning room through a blast tube, wherein the pipeline of the discharging tube of the water ring type compression refrigerating unit is connected with the water inlet of the indirect evaporation chiller plant. The invention has the advantages that the applicable areas of evaporation refrigerating air conditioners is broadened, the air conditioning system can be used both in dry and hot areas and in damp and hot areas, the refrigerating capability of dry air energy is fully utilized, step utilization of energy is realized, the installed capability of equipment is lowered, the electric load of equipment is reduced, the fresh air requirement of the air conditioning system is increased and the indoor air quality is improved.
Owner:于向阳

Energy-saving control method for fresh air

InactiveCN102878641AGuaranteed health requirementsSatisfy the satisfaction of fresh airSpace heating and ventilation safety systemsLighting and heating apparatusFresh waterEngineering
The invention discloses an energy-saving control method for fresh air, in particular discloses a method for introducing the fresh air reasonably along with change of indoor people, and particularly aims at guaranteeing satisfaction of crowds remaining for a long time in a room. According to the method, a reasonable pollutant control index is selected, people adaptation time and a correction factor a of the pollutant control index are set, then new fresh air can be introduced reasonably along with the change of the indoor people, and fresh air satisfaction and air quality requirements for the crowds remaining for a long time in the room are achieved and satisfied to a large extent on the premise of fresh air energy saving. The method is particularly suitable for places such as a meeting room, a cinema and a theater where indoor people change but a part of people remain for a long time, and can also be used in residual buildings, offices and the like with the same using functions.
Owner:CHONGQING UNIV

Weak turbulence air purification system capable of regulating cleanliness

The invention relates to a weak turbulence air purification system capable of regulating cleanliness. The system is provided with one or more fresh air units, a blowing ceiling, a return air processorand a central controller, wherein the one or more fresh air units is provided with a fan, a fresh air filter layer, a dehumidifying device and an air conditioning device; the blowing ceiling is provided with a filter module which is configured to diffuse input fresh air and return air, so that the fresh air and return air enter a medical room in a form of weak turbulence; the return air processorcomprises a return air filter device for purifying and filtering imported return air; and the central controller is configured to adjust the capacities, for example, blast capacity, cooling capacity,heating capacity, humidification amount and etc.) of various functional units of the air purification system manually or automatically according to the environmental requirements (for example, temperature, humidity, air speed, cleanliness, pressure difference of a filter and etc.) of the medical room (for example, operating rooms of various types). The invention also relates to a corresponding operating room capable of regulating the cleanliness.
Owner:殷晓冬

Jetting flow blower fan

The invention discloses a jetting air cooler. A spray-propulsion air draft device of a lower spray nozzle and a lower air draft blade, a water-drenching sieve plate and a bottom water tank are arranged from top to bottom in the cooler body of the jetting air cooler. An air inlet at the top of the cooler body is provided with a demister; an air outlet is formed on the lateral wall of the cooler body at the upper part of the water tank; a cold air duct is extended from the air outlet; a water absorption type baffle board demister is arranged in the cold air duct; and the air draft device can also be provided with a water makeup pipe, a water outlet pipe which is connected with a water pump, etc. The low-temperature water-circulation spray is adopted by a spraying device to cool hot air into wet cold air which is further demisted into dry cold air. By adopting the normal-temperature water spray at about 20 DEG C with the difference of only 1-2 DEG C to the leaving air temperature, cold air can be obtained in summer, and warm air can be obtained in winter. According to experiments, when the water spray rate is 40m<3> / h, the pressure is 0.08 MPa, the air volume is above 2*10<4>m<3> / h, the power is only 1.4 KW.h, the water spray temperature is 24 DEG C, the atmospheric wet bulb temperature is 35 DEG C, the atmospheric dry bulb temperature is 25 DEG C, and the cold air temperature is 25 DEG C, and the refrigeration coefficient of the jetting air cooler is as high as 39.8 and is more than 10 times that of the prior air conditioner. Since the air temperature, the water temperature and the wet bulb temperature are all close to each other, the cooling water is required to be supplied in only more than 10 days which are the hottest days in one year. The jetting air cooler is suitable for low-humidity cooling and ventilation, and is an ideal water air conditioning device.
Owner:魏仕英

Ultrahigh pressure dry fog type humidification air conditioner

The invention relates to a dry fog type humidification air conditioner adopting ultrahigh pressure micro-fog and wet films. The air conditioner comprises a hollow chassis body, a water inlet, a water outlet, a drainage pump, a water level sensor, a water tank, a high-pressure ceramic plunger pump, an electric motor used for driving the high-pressure pump, a high-pressure electromagnetic valve, a high-pressure water pipe, a high-pressure micro-fog nozzle array, a fan, a wind guide louver, a control box, a numerical control panel and a filter screen, wherein two wet films are arranged between the exhaust fan and the high-pressure micro-fog nozzles, fine fog particles with a diameter of less than 3 microns can penetrate through the wet films, the big fog particles with a diameter of more than 3 microns can be blocked by the wet films, and the secondary vaporization of big fog particles blocked by the wet films is realized by using the wind penetrating through the wet films. The invention not only realizes the characteristics of ultrahigh pressure micro-fog humidification way such as low power and large humidification amount, but also ensures that the fog particles penetrating through the wet films are characterized by small fog particle diameter and high humidification efficiency.
Owner:东莞市丰远电器有限公司

Indoor unit of air conditioner

The invention provides an indoor unit of an air conditioner. A fresh air duct is connected with a main air duct and / or a purification air duct of the air conditioner indoor unit in series, wherein a fresh air module of an in-pipe fresh air fan is arranged in a fresh air pipe; and the adjacent distance between every two adjacent in-pipe fresh air fans is limited. According to the arrangement structure, when at least an air conditioner mode and a fresh air mode operate at the same time, the temperature of fresh air introduced into a room from the fresh air pipe is adjusted; on one hand, the temperature adjusting effect on the fresh air can be improved; on the other hand, the main air duct or the purification air duct can be effectively utilized for increasing the fresh air volume; in addition, due to the arrangement of the adjacent distance between every two adjacent in-pipe fresh air fans, turbo-charging airflow can be formed between every two adjacent in-pipe fresh air fans, the freshair volume introduced from the outside is remarkably increased, indoor fresh air noise is effectively controlled, and the noise value is obviously reduced; and furthermore, the in-pipe fresh air fansare arranged in the fresh air duct, the space of the air conditioner indoor unit does not need to be increased, and the overall performance of the air conditioner indoor unit is improved.
Owner:HISENSE (SHANDONG) AIR CONDITIONING CO LTD

Intelligent ventilator and ventilation method

The invention relates to an intelligent ventilator and a ventilation method. The intelligent ventilator comprises an outdoor part and an indoor part; the outdoor part and the indoor part are connected into a whole; the outdoor part is positioned outdoors; the indoor part is positioned indoors; the outdoor part comprises an outdoor enclosure and a fan; the indoor part comprises an indoor enclosure; an isolating ring is arranged between the outdoor enclosure and the indoor enclosure; the isolating ring is made of a flexible thermal insulation material; the outdoor enclosure is provided with a cavity; and the fan is completely arranged in the cavity of the outdoor enclosure.
Owner:深圳市唯加电器设备有限公司

Fresh air ventilation device and air conditioner

The invention relates to a fresh air ventilation device and an air conditioner. The fresh air ventilation device comprises a shell, a purification module, a heat exchange module, an air supply module and a control module. The shell comprises an indoor end and an outdoor end which are both provided with air ports. The purification module comprises a cylindrical filter unit which comprises a cylindrical filter element, a base plate and a supporting body. The base plate is located at the first end, close to the outdoor end of the shell, of the cylindrical filter element and used for sealing the first end. An annular space is formed between the outer wall of the cylindrical filter element and the inner wall of the shell. The supporting body used for supporting the cylindrical filter element is arranged between the second end, close to the indoor end of the shell, of the cylindrical filter element and the inner wall of the shell. The supporting body is used for sealing the annular space between the second end and the inner wall of the shell. Through the cylindrical filter element, the air inlet area can be enlarged, the filtering efficiency can be improved, and loss of the air speed can be reduced.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Multifunctional biological air purifier

InactiveCN101086355AEfficient removalImprove disinfection and purification effectLighting and heating apparatusAir conditioning systemsAir volumeFresh air
The invention discloses a multifunctional biological air cleaner, which comprises the following parts: a casing, an ion generator, an aerosol generator, a cleaning filter bank and an air cleaning fan, wherein the two ends of the casing are separately equipped with the indoor air inlet and the outlet of the cleaned air, the ion generator and the aerosol generator are arranged near the indoor air inlet in the casing, the air cleaning fan is arranged at the finite distant of the cleaned air outlet underside, the fan inlet is connected with the outlet of the cleaning filter bank, the casing is also equipped with a fresh air fan, a fresh air filter bank and a sleeping system comprised by the induced pipe. The invention enhances the air cleaning effect, which achieves the coexistence of the people and the device, the cleaning and sterilizing on the internet, the high volume fresh air and the self-sterilizing function.
Owner:王庆旺 +2

An energy-saving control device and control method for an air conditioner fresh air machine

The invention provides an energy-saving control device and control method for an air conditioner fresh air machine. The energy-saving control method comprises the steps of S1: performing online monitoring on the temperature and humidity parameters of outdoor air of an air conditioner via an outdoor temperature sensor and outdoor humidity sensor, and performing online monitoring on the indoor CO2 concentration parameter via an indoor CO2 concentration sensor; S2: calculating the outdoor air enthalpy value HW based on the outdoor temperature and humidity parameters acquired through online monitoring; S3: comparing the outdoor air enthalpy value HW with a preset outdoor air enthalpy value and dynamically determining an indoor CO2 concentration optimization set value yset according to the enthalpy value comparison result; S4: comparing the indoor CO2 concentration value y obtained through online monitoring and the indoor CO2 concentration optimization set value yset, and emitting a fresh air machine frequency changer control signal according to the deviation value thereof to realize dynamic control of the quantity of fresh air. By formulating the optimal operating adjustment mode, the indoor air quality requirement is met and energy is saved.
Owner:广东迪奥技术有限公司

Fresh air module and air conditioner

The invention discloses a fresh air module and an air conditioner. The fresh air module comprises a shell, a middle partition plate and a fan component, wherein the shell is provided with a fresh airduct which comprises an air inlet cavity and an air outlet cavity; the middle partition plate is arranged in the fresh air duct, located between the air inlet cavity and the air outlet cavity and provided with an ventilation hole communicating the air inlet cavity with the air outlet cavity in a penetrating mode; and the fan component is mounted in the air outlet cavity. According to the fresh airmodule, the fresh air duct of the fresh air module is optimized, so that the fresh air volume output by the fresh air module is increased.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Air conditioner indoor unit and air conditioner with air conditioner indoor unit

The invention discloses an air conditioner indoor unit and an air conditioner with the air conditioner indoor unit. The air conditioner indoor unit is adjacent to a wall window and comprises a shell and a draught fan assembly, an airflow channel is formed in the shell, an air return port, a fresh air port and an air outlet which communicate with the airflow channel are formed in the shell, and thefresh air port is formed in the bottom of the shell and is adjacent to the window; and the draught fan assembly is arranged in the airflow channel and used for driving airflow to flow towards the airoutlet from the fresh air port and / or the air return port. According to the air conditioner indoor unit, fresh air can be supplemented into a room, indoor air circulation can be achieved as well, meanwhile, the indoor existing environment form is utilized in the air conditioner indoor unit, and the purpose of fresh air exchange is achieved through the indoor scene; and a traditional pipe passingair guiding mode is abandoned, on one hand, air guiding through a wall hole and a pipeline is not needed, the installing form is simple, on the other hand, a large fresh air amount can be achieved, and restraints from the pipe diameter are avoided.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD

Whole automobile/plate environment test cabin for automobile and humidity control method for test cabin

The invention discloses a whole automobile / plate environment test cabin for an automobile and a humidity control method for the test cabin. The whole automobile / plate environment test cabin comprises an experiment cabin body, one or more groups of fresh air devices connected with the experiment cabin body and a filtering device connected with the fresh air device, wherein the experiment cabin body comprises a test cabin body and a heat preservation box body arranged outside the test cabin body; a static pressure cabin including a plurality of air supply ducts which are arranged side by side is arranged at the top of the test cabin body; an air supply hole plate with air supply holes is arranged at the lower part of each air supply duct; an air supply fan for supplying air to the test cabin body is arranged in each air supply duct; each group of the fresh air device comprises a fresh air treatment tank and an ultrasonic atomizer; a spraying device is arranged at the upper part in each fresh air treatment tank, and a condenser and a heating pipe are arranged at the lower part in each fresh air treatment tank; the tanks are filled with distilled water; circulating water pumps connected with the spraying devices are arranged outside the fresh air treatment tanks; the humidity is controlled by fresh air humidity control and ultrasonic atomization and humidification modes. The whole automobile / plate environment test cabin can meet the requirements for different fresh air amounts under different experiment conditions and effectively control the humidity.
Owner:JINAN HAINATE TECH

Central air conditioner energy saving optimizing method and device, terminal device and storage medium

The invention provides a central air conditioner energy saving optimizing method and device, a terminal device and a storage medium. The method comprises the steps that the real-time personnel densityin an air outlet coverage area in a classroom and the real-time fresh air volume of an air outlet are obtained; the preset personnel density is set, the outdoor temperature value and the indoor temperature value of the classroom are obtained in real time, the real-time personnel density is compared with the preset personnel density, when the real-time personnel density is greater than the presetpersonnel density, the outdoor enthalpy value and the indoor enthalpy value are calculated by an enthalpy value algorithm based on the outdoor temperature value and the indoor temperature value, and the real-time fresh air volume is adjusted in real time according to the outdoor enthalpy value and the indoor enthalpy value; and when the real-time personnel density is smaller than the preset personnel density, the real-time fresh air volume is adjusted according to the temperature value of the air outlet coverage area. The fresh air volume is adjusted according to the real-time personnel density and the enthalpy values, and the energy consumption of a central air conditioner is reduced by adjusting the fresh air volume.
Owner:武汉世纪楚林科技有限公司

Air conditioner and control method thereof

The invention belongs to the field of air conditioners, and particularly relates to an air conditioner and a control method thereof. The air conditioner comprises an indoor unit, and the indoor unit comprises a machine body and a fresh air device; the machine body is provided with an air inlet and an air outlet which communicate with each other and form an air flow path; the fresh air device comprises a fresh air support, and the fresh air support is fixed on the machine body and provided with a first fresh air outlet; the fresh air device further comprises a first fresh air channel and a second fresh air channel which are arranged in the fresh air support and can be selectively opened and closed; first free ends of the first fresh air channel and the second fresh air channel are respectively provided with a first fresh air inlet and a second fresh air inlet which are used for communicating with the outdoor space; the first fresh air inlet, the first fresh air channel, the fresh air support and the first fresh air outlet form a first fresh air flow path; and the second fresh air inlet, the second fresh air channel and the air outlet form a second fresh air flow path. The air conditioner and the control method thereof have the advantages that a large quantity of fresh air can be obtained, and the fresh air quantity can be adjusted.
Owner:GREE ELECTRIC APPLIANCES INC

Oxygen supply equipment

The invention provides oxygen supply equipment which comprises a main body; a vacuum pump, an oxygen-rich membrane group and an electrical main board are arranged in the main body; the vacuum pump is provided with a gas suction port and a gas exhaust port, is also provided with a heat-radiating fan positioned on the same side of the gas suction port and the gas exhaust port, and is connected with a power supply device and the oxygen-rich membrane group respectively; the oxygen-rich membrane group is provided with an oxygen outlet, and a plurality of oxygen-rich membranes are arranged in the oxygen-rich membrane group and are connected in series through a gas collecting rod positioned in the middle of the oxygen-rich membrane group; a gas exhaust port fan and a gas inlet port fan are respectively arranged on the two sides of the oxygen-rich membrane group. The concentration of oxygen is about 28 percent, and the separation of nitrogen and oxygen is realized. The physical oxygen generation is adopted, no any chemical reaction exists, the noise is low, no pollution exists, sanitation and environmental protection are realized, and the oxygen generation efficiency is improved. Meanwhile, a vacuum pump heat-radiating hole, a fresh air filtering plate, the gas exhaust port fan and the gas inlet fan are adopted, so that a whole oxygen supply device has a better heat-radiating effect.
Owner:深圳中物兴华科技发展有限公司

Fresh air exchange device and air conditioner

The invention relates to a fresh air exchange device and an air conditioner. The fresh air exchange device comprises a housing, a purifying module, a heat exchange module, an air feeding module and a control module, wherein the housing comprises an indoor end and an outdoor end; the indoor end is provided with an air feeding panel; the air feeding panel comprises an air flue; the air feeding panel comprises a basal body and a panel body; the part, opposite to the panel body, of the basal body forms an outer wall of the air flue; the part, opposite to the basal body, of the panel body forms an inner wall of the air flue; and the outer wall of the air flue is connected to the inner wall of the housing; and the outer wall of the air flue and the inner wall of the air flue are of streamline forms. The fresh air exchange device is beneficial for diffusing air flow in the housing into the room, so that the air feeding distance is increased, and the introduced outdoor fresh air can be quickly distributed to each corner of the room, and therefore, the fresh air exchange effect is improved.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Fresh air unit with direct evaporative cooler and passive cooling air conditioning device of fresh air unit

The invention relates to the technical field of building energy saving, in particular to a fresh air unit with a direct evaporative cooler and a passive cooling air conditioning device of the fresh air unit. The fresh air unit comprises a shell and a terminal device. The terminal device is arranged inside or / and outside the shell. A terminal device air inlet and a terminal device air supply outlet are formed in the terminal device. A shell fresh air inlet and a shell air supply outlet are formed in the shell. A fresh air handling unit which is arranged inside the shell comprises an air supply fan and a direct evaporative cooler. The fresh air unit with the direct evaporative cooler has the characteristics that the structure is reasonable and compact; the fresh air unit is convenient to use; since the shell is installed inside or outside a window body and outdoor air which is introduced by the shell fresh air inlet is treated through the direct evaporative cooler and is delivered indoors, compared with the traditional centralized air supply duct, the construction difficulty is reduced, the height of buildings is saved and the quantity of auxiliary facilities such as air supply ducts and firefighting spray pipes can be decreased; and the fresh air unit is convenient to adjust, has good airtight performance, can be easily matched with the buildings and is safe and high-efficiency.
Owner:于向阳

Distributed fresh air supply air-conditioning method and air conditioner

The invention relates to the technical field of building energy efficiency, in particular to a distributed fresh air supply air-conditioning method and an air conditioner. The method includes that non-centralized fresh air supply rooms are included, each room is provided with provided with fresh air units and an air terminal device, each fresh air unit comprises a shell and a fresh air treatment device mounted in the shell, a shell air supply outlet and a shell air inlet are formed in each shell, and outdoor air enters the fresh air treatment devices through the shell air inlets prior to entering indoors via the shell air supply outlets. The air conditioner is convenient to use. By the method, indoor fresh air volume can be increased, indoor air quality is improved, construction difficulty and buildings are lowered as compared with those of traditional centralized air supply ducts, air supply ducts can be decreased, supporting facilities such as firefighting spraying pipes are not needed to be arranged specially, the fresh air units of the rooms can be controlled separately, and the air conditioner has the advantages of convenience in adjustment, good sealing performance, easiness in matching with buildings, flexibility and convenience in mounting, safety and efficiency.
Owner:于向阳

A high-efficiency through-wall fresh air purification device

The invention discloses an efficient wall-penetrating-type fresh air purifying device, and belongs to the technical field of fresh air purifying. The efficient wall-penetrating-type fresh air purifying device comprises an indoor face plate, a wall penetrating body, an inner barrel, an outer barrel and an outdoor air-inlet rain cover. The outer barrel is in sliding fit with the inner barrel, and the outer side of the outer barrel is in close fit with the inner wall of a wall hole. An HEPA filter, a low efficiency filter and a full-plastic-packaging axial flow fan are arranged in the wall penetrating body. The HEPA filter is an HEPA folded conical core filter. The HEPA folded conical core filter comprises an HEPA folded filtering conical core, a top positioning disc and a bottom air stopping disc. The HEPA folded filtering conical core is connected with the bottom air stopping disc through hot melt adhesive and connected with the top positioning disc through hot melt adhesive. The diameter of the top of the HEPA folded filtering conical core ranges from 100 mm to 500 mm, the diameter of the bottom of the HEPA folded filtering conical core ranges from 30 mm to 400 mm, and the height of the HEPA folded filtering conical core ranges from 100 mm to 300 mm. A circular air hole is formed in the middle of the top positioning disc, and the diameter of the circular air hole ranges from 70 mm to 470 mm. The efficient wall-penetrating-type fresh air purifying device has the beneficial effects of being low in density, small in air resistance, large in air volume, long in service life, low in cost and ideal in dust removal effect.
Owner:NINGBO DONGDA AIR CONDITIONING EQUIP

Fresh air exchange device and air conditioner

The invention relates to a fresh air exchange device and an air conditioner. The fresh air device comprises a shell, a control module and a pull assembly located in the shell. The shell comprises an indoor end and an outdoor end. The indoor end and the outdoor end are each provided with an air opening. The pull assembly can be arranged in or taken out from the position of the air opening of the indoor end. The pull assembly comprises a purifying module, a heat exchange module and an air supply module. The control module is located at the indoor end. The control module is electrically connected with the air supply module. A first terminal of the control module is arranged in the shell, and a second terminal of the air supply module is arranged at the end, close to the outdoor end of the shell, of the pull assembly. When the pull assembly is arranged in the shell, the first terminal is connected with the second terminal. Thus, an air way formed by the shell of the fresh air exchange device is relatively short, pressure losses are very low, and the fresh air volume is greatly increased. A user can replace the purifying module from the indoor side, and operation is convenient. The control module and the air supply module can be connected and disconnected in the process of arranging the pull assembly in the position of the air opening of the indoor end or taking the pull assembly out of the position of the air opening of the indoor end, and operation is more convenient.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Evaporative cooling double-effect air conditioner

The invention relates to an indoor air cooler, in particular to an evaporative cooling double-effect air conditioner. The evaporative cooling double-effect air conditioner structurally comprises an indirect evaporative cooling air inlet static-pressure box, total sensible heat in a room is converted by the indirect evaporative cooling air inlet static-pressure box in the mode of direct latent heat evaporation of water and the mode of primary return air circulating cooling through indoor cold radiation suspended ceiling tube banks, effective cooling is carried out on the interior of the room, humidity of the room is not improved, the comfort level of a user is improved through the cold radiation effect, and compared with an ordinary mechanical refrigeration mode, energy consumption of the evaporative cooling double-effect air conditioner is only one seventh that of the ordinary mechanical refrigeration mode.
Owner:莫少民

Indirect evaporative chiller and mechanical refrigeration chiller combined cooling and air conditioning system

The invention discloses a combined cooling air-conditioning system of an indirect evaporation chiller and a mechanical refrigeration chiller. A first-stage and a second-stage surface heat exchangers and a blower are arranged in order in a casing of an air processor from an air inlet to an air outlet, a water outlet pipe of the indirect evaporation chiller is connected to a water inlet of the first-stage surface heat exchanger of the air processor, a water outlet pipe of the first-stage surface heat exchanger is connected with a cooling water inlet of a traditional low-temperature chiller, a cooling water outlet of the traditional low-temperature chiller is connected with a water inlet of the indirect evaporation chiller, a chilled water outlet of the traditional low-temperature chiller is connected to a water inlet of the second-stage surface heat exchanger, a water outlet pipe of the second-stage surface heat exchanger is connected to an indoor tail-end water inlet located in an air-conditioning room, a water outlet pipe at the tail end in the air-conditioning room is connected with a chilled water inlet of the traditional low-temperature chiller, and an exhaust outlet of the blower leads to the air-conditioning room through a blast pipe. The combined air conditioning system not only can be used in dry heat regions but also can be used in moist heat regions, makes the best of refrigeration capacity of dry air energy, realizes the cascade utilization of energy, reduces the installed capacity and electric power load of equipment, improves the fresh air amount of the air-conditioning system, and improves the indoor air quality.
Owner:新疆绿色使者空气环境技术有限公司

Active chilled beam air conditioner terminal

The invention discloses an active chilled beam air conditioner terminal. The active chilled beam air conditioner terminal comprises an outer box, an inner box, a left side box and a right side box, wherein the left side box, the inner box and the right side box are sequentially arranged below the outer box, the lower ends of the left side box, the inner box and the right side box are flush, a primary air circular air supply pipe is connected to the outer box, a static pressure cavity is formed in the outer box, the outer box is connected with the left side box and the right side box, and heatexchangers are arranged in the right side box, the inner box and the left side box; and fixing supports are installed on the left side and the right side of the inner box, telescopic flow guiding plates are installed on the two sides of the inner box through the fixing supports, the telescopic flow guiding plate on the right side of the left side box and the telescopic flow guiding plate on the left side of the inner box form a left side air outlet channel, and the telescopic flow guiding plate on the left side of the right side box and the telescopic flow guiding plate on the right side of the inner box form a right side air outlet channel. According to the active chilled beam air conditioner terminal, heat exchange area can be greatly increased, the air inlet ratio is increased, and therefore the heat exchange efficiency is improved; and meanwhile, return air can be closed in time in emergency, the fresh air inlet amount is increased through the structure of a chilled beam, and indoor infection risks can be reduced under the condition that heat-transfer diseases are transferred through respiratory tracts.
Owner:WUHAN UNIV OF TECH

Evaporative cooling air conditioning units combined with windows

The invention relates to the technical field of evaporation refrigeration air conditioner units, in particular to an evaporation refrigeration air conditioner unit combined with a window. The air conditioner unit comprises an air conditioner unit body and the window with the air inlet and exhaust functions and with a sash capable of being opened; the air conditioner unit body comprises a unit shell, indirect evaporation refrigeration devices and direct evaporation refrigeration devices; air exhaust channels and fresh air inlet channels are independent of one another, are not affected by one another, are not prone to being in short circuit, and are matched with a unit heater or air heater to be applied, and the heater and the indirect evaporation refrigeration devices work in a separated manner; and system running is simple, maintenance is easy, according to the particularity of a miniaturization refrigeration air conditioner unit, characteristics of an indoor building are fully utilized, indoor space is not occupied, the unit is compact in structure, high in applicability and capable of meeting the requirement that the miniaturization refrigeration air conditioner unit is compact in structure, meanwhile, the fresh air amount of the unit is large, and it is ensured that the air distribution of the unit is reasonable.
Owner:于向阳
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