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757results about "Air currents for screening" patented technology

Ventilation system and method for controlling the same

A ventilation system including a ventilator; and an outdoor unit, wherein the ventilator includes a housing including a first intake, a second intake, a first outlet and a second outlet, a plurality of dampers to change flow paths of air flowing through the housing, first and second air blowers, a heat exchanger in the housing, and a processor to control the dampers and first and second air blowers to form a first flow path in which outside air flows through the heat exchanger, or form a second flow path in which room air flows through the heat exchanger, to thereby form a flow path in the ventilator, while air flows through the flow path, control the outdoor unit to form frost on the heat exchanger, and control the outdoor unit to stop operating based on a preset frosting termination condition so that the frost melts to clean the heat exchanger.
Owner:SAMSUNG ELECTRONICS CO LTD

Air conditioner control method and device, multi-split air conditioner and storage medium

The present application relates to the technical field of air conditioners, and particularly relates to an air conditioner control method and device, a multi-connected air conditioner and a storage medium, the present application determines the target heat recovery mode of the multi-connected air conditioner by judging the water tank temperature of the hot water tank, the heating energy demand and the total energy demand of each air conditioner indoor unit obtained when the multi-connected air conditioner simultaneously exists refrigeration and heating water demand, and then adjusts the communication state of the reversing device and the throttling element according to the target heat recovery mode, so as to achieve the purpose of simultaneously operating refrigeration and heating water by one heat pump system, and heat the water tank by the waste heat of air conditioner refrigeration, thereby avoiding the technical problem that the heating and heating water in the prior art multi-connected air conditioner are not simultaneously performed, and improving the use experience of the user.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD +1

Heat exchange unit

The utility model discloses a heat exchange unit, and relates to the technical field of machine room air conditioners. The two rows of heat exchange core bodies are arranged on the rack in parallel in the first direction, and the heat exchange core bodies are obliquely arranged, so that the outdoor air inlet faces and the outdoor air outlet faces of the heat exchange core bodies intersect with the first direction and the second direction, and the second direction is perpendicular to the first direction; the spraying system comprises two spraying devices corresponding to the heat exchange core bodies, and each spraying device comprises a first spraying set located on the outdoor air outlet side of the corresponding heat exchange core body and a second spraying set located on the outdoor air inlet side of the corresponding heat exchange core body; the multiple nozzles of the first spraying set are sequentially arranged in the direction parallel to the outdoor air outlet face, and the multiple nozzles of the second spraying set are sequentially arranged in the direction parallel to the outdoor air inlet face. The spraying mode and the spraying water amount of the spraying system can be adjusted according to different working conditions, so that the unit can better save energy and water under the conditions of different temperatures and humidity.
Owner:SHENZHEN ENVICOOL TECH

Fully-mechanized face multi-angle blowing-suction purification dust removal system and dust removal method

The invention relates to a fully-mechanized face multi-angle blowing-suction purification dust removal system and a dust removal method, and belongs to the technical field of coal mine dust treatment. Comprising a dust concentration sensor arranged on a hydraulic support and a linear dust remover arranged on a hollow interlayer of a chute baffle of the scraper conveyer. The dust concentration sensor detects the dust concentration of the coal face and transmits a signal to the control system, and the control system selectively opens and closes the dust remover at the corresponding position to achieve accurate dust removal. The linear dust remover forms an entrainment effect to suck dust generated by coal cutting of the roller of the coal mining machine, and the dust is purified. And meanwhile, a barrier is formed between the coal mining machine and the pedestrian side in manners of forming an air curtain, a water curtain, a fog gun and the like at the air outlet, so that untreated dust is prevented from diffusing to the pedestrian side for the second time. The device is simple in structure and convenient to mount, solves the problem of serious dust pollution of the fully-mechanized coal mining surface, and realizes source treatment of dust while preventing dust diffusion.
Owner:CHINA COAL TECH & ENG GRP CHONGQING RES INST CO LTD

Energy-saving curtain wall for building

The invention relates to the technical field of curtain walls, and provides a building energy-saving curtain wall which comprises a curtain wall body, the curtain wall body comprises a frame, outer glass arranged on the frame and inner glass rotationally connected to the frame, a cavity is formed between the outer glass and the inner glass, and an air inlet is formed in the outer glass; the curtain wall body is provided with a filtering assembly, the filtering assembly is used for filtering dust of air entering the cavity from the air inlet, the filtering assembly comprises a gauze element arranged in the cavity, the gauze element is obliquely arranged, the upper end of the gauze element is inclined towards the inner glass, and the lower end of the gauze element is inclined towards the outer glass. The lower end of the gauze element inclines towards the outer glass, and a driving assembly used for driving the gauze element to move in the length direction of the gauze element is arranged on the frame. According to the invention, the position for adsorbing dust before the gauze element is changed, and the retention amount of subsequent dust and the circulation amount of air are improved, so that the filtering effect and the ventilation performance are improved.
Owner:TIANJIN DIANGE CONSTR ENG CO LTD

Heat pump type efficient dehumidification device with waste heat recovery function

The invention discloses a heat pump type efficient dehumidification device with a waste heat recovery function, and belongs to the technical field of efficient dehumidification devices. A temperature locking cavity is formed in the center of the interior of a dehumidification base, a first hot-pressing dehumidification box and a second hot-pressing dehumidification box are symmetrically arranged at the two ends of the temperature locking cavity, heat pump storage boxes are arranged at one ends of the hot-pressing dehumidification boxes side by side, and a flow guide center frame is arranged in the center of the interior of the second hot-pressing dehumidification box; the device has the remarkable advantages that firstly, a high-temperature primary dehumidification and low-temperature secondary dehumidification grading mode is adopted, the design of a zigzag flow channel and a symmetrical cavity is matched, the dehumidification efficiency is high, continuous operation can be kept during cavity dehydration, and constant temperature and low humidity of the environment are ensured; secondly, a whole-process waste heat utilization system is constructed, cold water is converted into hot water through cold water spraying, heat exchange arc piece circulation and the like, meanwhile, waste heat of a temperature locking cavity is recycled, and energy waste is reduced; and hot water and waste water are treated in order through the double-pipe hot drain valve, and environmental protection and economical efficiency are both considered.
Owner:GUANGDONG BAIAO ELECTRIC CO LTD

Multi-mode ultra-low energy consumption building kitchen make-up air and exhaust air coupling multi-stage heat recovery system

The multi-mode ultra-low energy consumption building kitchen makes-up air exhaust air coupling multi-stage heat recovery system relates to the kitchen ventilation technical field.The present application solves the problems of high operation cost and maintenance workload of the existing kitchen heat recovery system, increases the complexity and installation difficulty of the system, and affects the heat recovery efficiency of the system. In the normal working mode, the make-up air and exhaust air system runs simultaneously, fresh air enters the kitchen through the make-up air channel, and waste air is discharged through the exhaust air channel. When the temperature in the exhaust air exceeds the set threshold, the control system will trigger the heat energy recovery mode. In this mode, the excess heat energy will be introduced into the heat energy storage tank to store the excess heat. During the energy demand peak period, the control system will start the energy supply mode. At this time, the heat energy in the heat energy storage tank can be released to supply the additional heat energy demand. The present application realizes heat energy recovery and efficient use of energy by coupling the kitchen make-up air and exhaust air system, heat exchange and energy storage device.
Owner:HARBIN INST OF TECH

PTAC type heat pump

The heat pump (1, 101) of the PTAC type comprises a first battery (10) of the heat exchange type and a second battery (30) of the heat exchange type, the first battery (10) being arranged to exchange heat with the external environment with respect to the environment to be treated, and the heat pump comprising a fan (20) connected to the first battery (10) for forcing external air to flow through the first battery (10). The first cell (10) comprises at least two, preferably three, consecutive portions (12, 13, 14), respectively a central portion (13), each of which is planar, and at least one lateral portion (12, 14), which is angled relative to the central portion (13) at an inner camber angle preferably between 150 DEG and 175 DEG.
Owner:INNOVA SRL

Electro purification device and air curtain machine

This application relates to an electro-purification device and an air curtain machine. The electro-purification device includes a discharge assembly, comprising at least one discharge unit. Each discharge unit includes multiple linear corona discharge electrodes and a ring-shaped grounding electrode, all fixedly arranged. All corona discharge electrodes and the ring-shaped grounding electrode are arranged opposite each other along a first direction, and all corona discharge electrodes are arranged radially towards the side closest to the ring-shaped grounding electrode. An insulating back-corona element is also included, arranged along the first direction on the side of the ring-shaped grounding electrode facing away from the corona discharge electrodes. By arranging all corona discharge electrodes radially towards the side closest to the ring-shaped grounding electrode, not only can the area of ​​corona discharge be increased, but a cone-shaped electric field can also be formed, making the corona discharge area compact. Therefore, it can concentrate and rapidly treat pathogens such as smoke, odors, droplets, and aerosols in enclosed spaces. Furthermore, by using the insulating back-corona element to generate back-corona discharge, an even better purification effect can be achieved.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Restaurant exhaust air recovery type kitchen ventilation system and method based on air volume self-adaption

The invention provides a restaurant exhaust air recovery type kitchen ventilation system and method based on air volume self-adaption. The system comprises a restaurant ventilation subsystem, a kitchen non-open fire area ventilation subsystem and an air path switching controller. A restaurant main exhaust pipe of the restaurant exhaust fan is connected with a restaurant first exhaust branch pipe and a restaurant second exhaust branch pipe, the restaurant first exhaust branch pipe is communicated into a public walkway of a kitchen non-open fire area, a second air valve is arranged on the restaurant first exhaust branch pipe, the restaurant second exhaust branch pipe is communicated to the outside, and a third air valve is arranged on the restaurant second exhaust branch pipe; the kitchen non-open-fire area fresh air fan and the kitchen non-open-fire area indoor fresh air pipe are communicated with the kitchen non-open-fire area, a first air valve is arranged on the kitchen non-open-fire area indoor fresh air pipe, and the first air valve, the second air valve, the third air valve and the restaurant fresh air fan are all connected with the air path switching controller. The invention relates to the technical field of building ventilation and air conditioning, and can solve the problems of energy waste and uneconomical system operation in the prior art.
Owner:SHANGHAI CONSTR ENG DESIGN & RSCH INST CO LTD

Multifunctional air conditioner for industrial building

The utility model relates to a multifunctional air conditioner for an industrial building. A rack forms a closed structure through a plurality of side plates arranged around the rack; outdoor fresh air can enter the machine frame through the outdoor air inlet, is filtered through the bag type filter, is preheated or precooled through the energy recovery heat exchanger, and is blown out from the indoor air outlet under the action of the first fan. Indoor air can enter the rack through the indoor air inlet and is exhausted through the outdoor air outlet, so that indoor contaminated air is exhausted outwards; indoor air can also enter the rack from the indoor air inlet, the air return valve is opened, the indoor air is blown out from the indoor air outlet after passing through the energy recovery heat exchanger and the first fan, and indoor air circulation is achieved. Outdoor fresh air introduction, indoor vitiated air discharge and indoor air circulation are integrated in the rack, different functions are achieved according to requirements, the equipment integration degree is high, space utilization is reasonable, and operation and maintenance are convenient.
Owner:HENAN QIANFENG HVAC TECH

Air conditioner indoor unit and air conditioner with same

The application discloses an air conditioner indoor unit and an air conditioner with the same. The air conditioner indoor unit comprises an indoor unit body, a fresh air pipe, an air guide pipe, a fresh air heater and an auxiliary heater. The indoor unit body is provided with an air inlet. An exhaust end of the fresh air pipe is communicated with the air inlet. The fresh air pipe is suitable for guiding outdoor fresh air to the air inlet. An air inlet end of the air guide pipe is communicated with the indoor unit body. An exhaust end of the air guide pipe is communicated with the air inlet. The air guide pipe is suitable for guiding indoor air to the air inlet. The fresh air heater is arranged at the air inlet to heat the airflow flowing into the air inlet. The auxiliary heater selectively heats the indoor air flowing to the air inlet in the air guide pipe. The indoor air is heated and guided to the air inlet through the air guide pipe and the auxiliary heater. The indoor air is mixed with the fresh air flowing to the air inlet from the fresh air pipe. The temperature of the fresh air is preliminarily increased. The airflow is heated twice through the fresh air heater. The heating effect on the fresh air is good. The temperature of the fresh air is greatly increased. The user's comfort is good.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD

Single-temperature double-control air curtain cabinet

The utility model discloses a single-temperature double-control air curtain cabinet, and relates to the technical field of air curtain cabinet manufacturing, the single-temperature double-control air curtain cabinet comprises an air curtain cabinet, a water receiving assembly, an evaporation assembly and a controller, two refrigerating units are arranged in the air curtain cabinet, the two refrigerating units are electrically connected to the controller, the water receiving assembly is composed of a first water receiving tank and a second water receiving tank which are vertically stacked, and the evaporation assembly is electrically connected to the controller. The air curtain cabinet has the technical advantages that under the condition that the size of the air curtain cabinet is expanded, a low-temperature air curtain is maintained by means of the number advantage, the temperature of the air curtain cabinet is increased, the temperature of the air curtain cabinet is increased, the temperature of the air curtain cabinet is increased, and the temperature of the air curtain cabinet is increased. Meanwhile, synchronous control over the two refrigerating units is also achieved; the temperature sensor, the heat pipe section of the connecting pipe and the heating wire are arranged in the second water receiving tank, heat generated by operation of the refrigerating unit is utilized, and meanwhile the defect that the temperature needed by evaporation is insufficient under low-efficiency operation of the air curtain cabinet can be overcome through the heating wire.
Owner:QINGDAO HAILI INTELLIGENT EQUIP CO LTD

Ventilation device with reversible flap units

The invention relates to a ventilation device with a housing (102) in which two or more supply air openings (122a, 122b) are provided for supplying supply air into a room to be ventilated and two or more exhaust air openings (116a, 116b) for exhaust air from the room to be ventilated, wherein the supply air openings (122a, 122b) are connected to a supply air path (114) formed in the housing (102) and the exhaust air openings (116a, 116b) are connected to an exhaust air path (112) formed in the housing (102), wherein one of the supply air openings (122a, 122b) and one of the exhaust air openings (116a, 116b) are each configured to be controllably closable, and wherein one or more of the other supply air openings (122a, 122b) and one or more of the other The exhaust air openings (116a, 116b) are permanently closed in the operating state of the ventilation device (100).According to the invention, the ventilation device (100) comprises two identical, controllable flap units (128) for closing one supply air opening (122a, 122b) and one exhaust air opening (116a, 116b), respectively. The ventilation device and the flap units (128) are designed such that each of the flap units (128) can be mounted in the housing in one of two or more mounting positions, such that one supply air opening (122a, 122b) or exhaust air opening (116a, 116b) associated with the respective mounting position can be controllably closed. The invention further relates to a flap unit (128) for such a ventilation device (100).
Owner:KERMI GMBH

Two-phase pre-cooling method for air conditioning system

The present disclosure relates to a system and method of controlling the temperature and humidity of a conditioned space. The method and system are based on the two-phase pre-cooling of an airflow prior to dehumidification, wherein the airflow passes through a heat exchanger which initially cools and dehumidifies the air before it enters the dehumidifier for additional dehumidification.
Owner:BARYON INC

A method for operating a new air heat recovery integrated system for roof

The application discloses a kind of new wind heat recovery integration system operation methods of roof, belong to photovoltaic panel cooling technical field, system includes photovoltaic array system, new wind heat recovery unit and roof air supply and return system;Photovoltaic array system includes photovoltaic panel, photovoltaic panel support device, the ventilation layer between photovoltaic panel below and roof and install temperature monitoring instrument and hygroscopic material in ventilation layer;New wind heat recovery unit includes new wind heat recovery machine and is connected on new wind heat recovery machine new wind pipe, exhaust pipe, indoor return air pipe and air supply pipe;Roof air supply and return system includes roof air supply pipeline and roof return air pipeline;Roof air supply pipeline is connected with exhaust pipe, and the place of connection is equipped with air supply valve;Air supply pipeline outlet is connected with ventilation layer, and is equipped with air supply pipe outlet baffle;Return air pipeline inlet is connected with ventilation layer, and is equipped with return air pipe inlet baffle, and roof return air pipeline is connected with new wind pipe, and the place of connection is equipped with return air valve.The application can cool photovoltaic panel and effectively utilize energy in different seasons.
Owner:DONGHUA UNIV

Volume display systems, methods, and apparatus

PendingCN122206969AViewersLighting and heating apparatus
A volumetric display system, method, and apparatus for generating a holographic image within an ambient atmospheric air display volume (1000) using a columnar laminar flow generation system. According to example embodiments, the volumetric display method and system includes a columnar laminar flow generation system (100) that combines an input ambient atmospheric air stream (120) with at least one stream of microparticles (110) to produce a plurality of parallel columnar laminar atmospheric air streams (142) and a plurality of parallel columnar laminar atmospheric microparticle streams (141) that extend through the ambient atmospheric air display volume (1000); and a laser projection system (300) that outputs a plurality of laser beams (310) representative of the holographic image, each of the plurality of laser beams (310) aligned to overlap a portion (1010) of a single columnar laminar microparticle stream (141) within the ambient atmospheric air display volume (1000) to illuminate a target microparticle stream within the respective overlapping portion (1010) of the single columnar laminar microparticle stream (141).
Owner:BRYCE OPTOELECTRONICS LLC

Building ventilation equipment capable of recovering heat

The utility model discloses building ventilation equipment capable of recovering heat, and relates to the technical field of building ventilation equipment, the building ventilation equipment comprises an air guide pipe and a heat exchange box, the heat exchange box is fixedly communicated with the top end of the air guide pipe, a heat exchange structure is arranged in the heat exchange box, a connecting plate is arranged in the heat exchange box, one side of the connecting plate is provided with a cleaning probe assembly, and the other side of the connecting plate is provided with a cleaning probe. A worm is engaged with a worm gear, the worm gear drives a rotating drum to rotate at the top of a heat exchange box, the rotating drum drives a disc to rotate, and a plurality of sliding blocks slide in a plurality of arc-shaped grooves correspondingly, so that the sliding blocks drive a plurality of abutting rods to move in the direction away from a fixing block, and a plurality of convex plates slide in a plurality of convex grooves correspondingly; and after the abutting rods are far away from the fixing block, the electric push rod is rotated, and when the placing block is opposite to the hole position of the placing groove, the electric push rod is lifted upwards, so that the electric push rod can be disassembled, and personnel operation is facilitated.
Owner:CHINA CONSTR INSTALLATION GRP EAST CHINA CONSTR INVESTMENT CO LTD

Combined air conditioning unit for two-stage rotating wheel dehumidification

The utility model relates to a two-stage rotating wheel dehumidification combined type air conditioning unit, which comprises a first rotating wheel system, a second rotating wheel system, a third rotating wheel system and a fourth rotating wheel system, the second rotating wheel system comprises a second rotating wheel, a second fan assembly and a second temperature regulation and control assembly, a treatment air inlet pipeline and a regeneration air inlet pipeline of the second rotating wheel are both communicated with a treatment air outlet pipeline of the first rotating wheel, and a regeneration air outlet pipeline of the second rotating wheel is communicated with a regeneration air inlet pipeline of the first rotating wheel. According to the utility model, the two stages of rotating wheels work cooperatively, so that moisture in air can be effectively removed, a lower dew point temperature is achieved, and the dehumidification efficiency is improved; the dehumidification efficiency and the energy utilization efficiency are improved, and the operation cost of the air conditioning unit is reduced; and the operation efficiency of the air conditioning unit and the comfort of a user are improved through accurate temperature and humidity control and flexible switching of a single-rotating-wheel mode and a double-rotating-wheel mode.
Owner:BONA ENVIRONMENTAL EQUIP (TAICANG) CO LTD

Dustproof and antistatic ion air curtain machine for food electronic accelerator irradiation

This utility model relates to the field of air curtain technology, specifically an ion air curtain machine for dust and static electricity prevention used in food electron accelerator irradiation. It includes a wall with a feeding trough inside. A conveyor belt is installed inside the feeding trough. The air curtain machine body and an adjustment mechanism are fixedly installed inside the feeding trough. An air outlet hood is fixedly installed between the air curtain machine body and the adjustment mechanism. The conveyor belt is located inside the adjustment mechanism, and the air curtain machine body is located on top of the conveyor belt. The air curtain machine body includes a shell, a dual-head motor, a drive shaft, a cross-flow fan, an air conveyor hood, a collection box, and a filter screen. The shell is fixedly installed on the top of the inner wall of the feeding trough, and the dual-head motor is fixedly installed inside the shell. This utility model achieves automatic filter screen cleaning, flexible adjustment of feeding width and height, and anti-static functions. It also features stability and ease of maintenance, effectively ensuring the irradiation environment and quality of *Fern Root*, and improving the overall performance of the equipment.
Owner:ZHONGJIN IRRADIATION CHENGDU CO LTD

Photovoltaic energy-saving curtain wall for high-performance ecological gymnasium

This invention discloses a photovoltaic energy-saving curtain wall for a high-performance ecological stadium, belonging to the field of photovoltaic energy-saving curtain wall technology. It includes longitudinal beam profiles installed on the exterior wall of the stadium, with horizontal beam profiles fixed at equal intervals on the longitudinal beam profiles. Photovoltaic modules are installed between the longitudinal and horizontal beam profiles. A transmission mechanism is provided on the horizontal beam profiles to reinforce the assembly of the photovoltaic modules and adjust the photovoltaic angle of attack. A heat-conducting frame is fixedly installed on the back of the photovoltaic modules, with multiple heat sinks fixed at equal intervals inside the heat-conducting frame. A gas supply hose is connected through the top of the heat-conducting frame, and a gas supply interface is installed through the horizontal beam profiles. The gas supply hose port is threadedly connected to the gas supply interface. A flow guiding mechanism is provided in the horizontal beam profiles to control the direction of hot air flow inside the heat-conducting frame. This photovoltaic curtain wall can adjust its angle of attack according to seasonal changes and can synergistically utilize light and heat energy, improving the performance of the curtain wall.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +3

Intelligent air conditioner heat exchange device with efficient heat recovery function

The utility model relates to the technical field of air conditioners, in particular to an intelligent air conditioner heat exchange device with an efficient heat recovery function. The utility model provides an intelligent air conditioner heat exchange device capable of efficiently recovering heat, which can absorb the heat of gaseous Freon through water circulation, prolong the retention time of the gaseous Freon, ensure that more heat is effectively taken away, and improve the heat recovery efficiency. An intelligent air conditioner heat exchange device with an efficient heat recovery function comprises a bottom frame, an outer cylinder and the like, and the outer cylinder is connected to the front portion of the bottom frame. According to the utility model, gaseous Freon enters the second isolation cylinder after passing through the first isolation cylinder at the right part and enters the left area of the outer cylinder after passing through the first isolation cylinder at the left part, and heat on the gaseous Freon is absorbed by water in the circulating water pipe; the effects that the staying time of the gaseous Freon can be prolonged while the heat of the gaseous Freon is absorbed through water circulation, it is ensured that more heat is effectively taken away, and the heat recovery efficiency is improved are achieved.
Owner:GUANGDONG CHANGYU INTELLIGENT TECH CO LTD

Road construction machine with blower device

The invention relates to a blower device (7, 29) for a road construction machine (1), which is in the form of a road paver (2) or a feeder vehicle (6) for a road paver (2), wherein the blower device (7, 29) comprises a blower unit (20) for generating an airflow and an air output unit (13, 32) connected to the blower unit (20), which is configured to form an air barrier (9, 11, 31) for an operator positioned therein from the airflow generated by means of the blower unit (20) at an operator station (4, 37) of the road construction machine (1), wherein the blower device (7, 29) is configured as a modular attachment (M) configured for detachable attachment to the operator station (4, 37) of the road construction machine (1). Furthermore, the invention relates to the use of a blower device (7, 29) designed as a modular attachment (M) on a road construction machine (1).
Owner:JOSEPH VOEGELE AG

Systems and methods for efficient heat reuse for a data center

A system manager that is configured to monitor and manage an amount of rejected heat within a data center that is provided downstream to a building, house, or machine that is located externally to the data center is disclosed. The system manager receives temperature measurements at various points along a cooling system of the data center and incrementally adjusts temperature set points of chillers, indoor cooling units, and IT equipment. By allowing the chillers, air-cooling units, and IT equipment to operate at slightly less optimal temperature set points, more or less rejected heat may be provided, according to downstream demand.
Owner:VERTIV INTERNATIONAL GMBH

Double-heat-pump composite dehumidification system

The utility model discloses a double-heat-pump composite dehumidification system. The low-temperature heat pump is provided with a first fan, a second fan, a low-temperature condenser and a low-temperature evaporator, the high-temperature heat pump is provided with a high-temperature condenser and a high-temperature evaporator, and the dehumidification rotating wheel is provided with a rotating wheel processing area and a rotating wheel regeneration area. The treatment air entering the second fan sequentially passes through the low-temperature evaporator and the rotating wheel treatment area and then is conveyed to a user side; and regenerated air entering the first fan sequentially passes through the low-temperature condenser, the high-temperature condenser and the runner regeneration area, then enters the high-temperature evaporator to provide a heat source for the high-temperature heat pump and then is discharged. The system has the advantages that on the basis that the deep dehumidification requirement is met, regenerated air is further heated through the high-temperature heat pump system, electric heating before the regenerated air enters the regeneration area of the rotating wheel is omitted, and the system efficiency is also improved.
Owner:ZHENJIANG LANBO ENG TECH

A dehumidifier

The application discloses a dehumidifier, which comprises a machine body and a clothes airing assembly. The top of the machine body is provided with an air outlet. The clothes airing assembly is movably arranged on the top of the machine body and can be switched between a storage state and a use state relative to the machine body. When in the storage state, the clothes airing assembly can be folded on the top of the machine body. When in the use state, the clothes airing assembly is extended relative to the top of the machine body, and the clothes airing position of the clothes airing assembly is located above the air outlet. The dehumidifier effectively utilizes the air with residual heat discharged from the air outlet to realize clothes airing, and the clothes airing assembly can be hidden and stored.
Owner:GUANGZHOU FENI SWIMMING POOL EQUIP TECH CO LTD

Environment-friendly hot air curtain

The utility model discloses an environment-friendly hot air curtain which comprises an air curtain machine shell, a filter frame is arranged on one side of the air curtain machine shell, a coarse filter screen is fixedly connected to one end in the filter frame, a filter plate and an activated carbon plate are slidably connected to the interior of the filter frame, and a motor is fixedly connected to the adjacent side of the air curtain machine shell. A rotating shaft is fixedly connected to the output end of the motor, a centrifugal impeller is fixedly connected to the outer side of the rotating shaft, a heater is fixedly connected to the interior of the air curtain machine shell, the surface temperature of the heater is increased through input hot water, so that the temperature of airflow penetrating through gaps in the heater is increased, hot air is exhausted from an air outlet, and a hot air curtain is generated; hot water sources are more, and hot water for production in a factory can be directly conducted, so that the purpose of saving electricity is achieved, dependence on traditional energy is reduced, air is heated through an electric heating element when heat is insufficient, and the energy utilization efficiency is improved.
Owner:SHENYANG AIKETE TECH CO LTD

Ventilation apparatus

The present invention relates to a ventilation apparatus. A ventilation apparatus according to an embodiment of the present invention comprises: a heat exchange element through which heat is exchanged between outdoor air and indoor air; and a filter provided on a suction side of the heat exchange element, enabling purification of air drawn into the heat exchange element. The ventilation apparatus comprises a cleaning device (hereinafter, referred to as a filter cleaning device) for cleaning foreign matter accumulated on the filter, thereby reducing contamination level of the filter and eliminating the inconvenience of a user having to manually remove and clean the filter.
Owner:LG ELECTRONICS INC

Integral fresh air conditioner

The application provides a whole new air conditioner, comprising a casing, an indoor module and a heat recovery module arranged in the casing, the casing is provided with an indoor air inlet, an indoor air outlet, an outdoor air inlet, an outdoor air outlet and a fresh air inlet; the indoor module comprises an indoor heat exchanger for exchanging heat with the air current flowing to the indoor air outlet; the heat recovery module comprises a heat exchange core, a fresh air fan and an exhaust air fan, the heat exchange core comprises a heat exchange shell and a plurality of heat exchange pipes arranged in the heat exchange shell, the two ends of the heat exchange pipes are respectively communicated with the indoor air inlet and the air inlet side of the exhaust air fan, the air outlet side of the exhaust air fan is communicated with the outdoor air outlet; the fresh air inlet and the fresh air outlet of the heat exchange shell are respectively communicated with the fresh air inlet and the fresh air fan, and the air outlet side of the fresh air fan is communicated with the indoor air outlet. The application can reduce the temperature difference between the outdoor fresh air and the indoor return air by exchanging heat between the outdoor fresh air flowing through the gap between the plurality of heat exchange pipes and the indoor return air in the heat exchange pipes, thereby reducing the energy consumption of the whole machine.
Owner:TCL TEPU INTELLIGENT ELECTRICAL APPLIANCES (ZHONGSHAN) CO LTD