CN205747324U - Window air cleaning heat exchanger - Google Patents

Window air cleaning heat exchanger Download PDF

Info

Publication number
CN205747324U
CN205747324U CN201620568177.6U CN201620568177U CN205747324U CN 205747324 U CN205747324 U CN 205747324U CN 201620568177 U CN201620568177 U CN 201620568177U CN 205747324 U CN205747324 U CN 205747324U
Authority
CN
China
Prior art keywords
air
wind
housing
heat exchange
fresh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620568177.6U
Other languages
Chinese (zh)
Inventor
荣国华
Original Assignee
荣国华
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 荣国华 filed Critical 荣国华
Priority to CN201620568177.6U priority Critical patent/CN205747324U/en
Application granted granted Critical
Publication of CN205747324U publication Critical patent/CN205747324U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

This utility model window air cleaning heat exchanger includes the outlet of housing, new blower fan, exhaust blower, heat exchange movement, air purifier, fresh inlet, new wind, air draft import, wind exhausting outlet, distribution controller, it is fixed on window, or in the inner-outer wall at edge of window, without laying airduct in indoor, through walls burrowing, it can eliminate the harmful substances such as the PM2.5 in air, the new wind of cleaning is sent to indoor, heat exchanger can also be utilized to reclaim the heat energy of indoor exhaust air, realize energy-saving and emission-reduction, there is elimination haze, send new wind, waste air, recuperation of heat several functions.

Description

Window air cleaning heat exchanger
Technical field
This utility model belongs to air purification field, is specifically related to the air cleaning heat-exchanger rig being installed on window.
Background technology
In order to eliminate haze, businessman is proposed central ventilation system, and it is with air cleaner, by outdoor fresh air purifying Processing, remove PM2.5, be then fed into indoor, it is also with heat exchanger, outdoor new wind and indoor exhaust wind heat exchange, reclaims indoor Used heat, the most in the winter time, indoor/outdoor temperature-difference is relatively big, containing substantial amounts of heat energy in indoor exhaust wind, reclaims heat energy by heat exchanger, Energy-saving effect is notable.The said equipment needs to lay longer new wind and exhaust duct in indoor, through walls burrows, and impact is indoor beautiful See, again to fit up for this family, bring great inconvenience.
Summary of the invention
The purpose of this utility model is to provide a kind of air cleaning heat-exchanger rig being installed on window, it is not necessary to lay Airduct and house decoration.
Solution of the present utility model is: window air cleaning heat exchanger includes housing, new blower fan, exhaust blower, heat exchange The outlet of movement, air purifier, fresh inlet, new wind, air draft import, wind exhausting outlet, distribution controller.It is characterized in that, on Stating integration of equipments in housing, become an entirety, outdoor new wind is not altered by dividing plate, the airtight partition of encapsulant with indoor exhaust wind Wind, forms fresh air channel and air exhaust passage, and heat exchanger in-core has fresh air channel and air exhaust passage, both by heat exchange material and every Disconnected material separates, and new wind and air draft are by heat exchange material heat exchange, and one end of fresh air channel is heat exchange movement fresh inlet, and and shell The fresh inlet of body communicates, and the other end is the outlet of heat exchange movement new wind, and communicates with the new wind outlet of housing, the one of air exhaust passage End is heat exchange movement air draft import, and communicates with the air draft import of housing, and the other end is heat exchange movement wind exhausting outlet, and and housing Wind exhausting outlet communicate, air purifier is contained between heat exchange movement fresh inlet and the fresh inlet of housing, and new blower fan is contained in In fresh air channel between the outlet of fresh inlet in housing, new wind, exhaust blower is contained in housing between air draft import, wind exhausting outlet Air exhaust passage in, the outlet of new wind, air draft import are positioned at a same side of housing, and fresh inlet, wind exhausting outlet are positioned at shell Another same side of body, window air cleaning heat exchanger is contained on window, uses fixing device airtight fixing, close by sash Closing and cut off into indoor and outdoors two sides, the outlet of new wind, air draft import are positioned at indoor one side, and fresh inlet, wind exhausting outlet are positioned at room Outer one side.So, outdoor new wind, under the effect of new blower fan, enters from fresh inlet, through the purification of air purifier, removes The noxious pollutants such as PM2.5, enter heat exchange movement fresh air channel, after indoor exhaust wind heat exchange, send into room by the outlet of new wind In;The waste gas of foul indoor, under the effect of exhaust blower, enters from air draft import, enters heat exchange movement air exhaust passage, with outdoor After new wind heat exchange, by wind exhausting outlet discharge chamber outside, therefore, sending new wind, waste air is to carry out at window, it is not necessary in indoor Lay airduct, simple and practical.
The control mode of operation of native system has four kinds: Non-follow control, and guidance panel can be placed on indoor housing, uses button Or soft-touch control;IR remote controller controls;Mobile phone A PP controls;Unattended intelligent controls, and system is equipped with multiple probe and sensing Device, detects the parameters such as haze index, gas concentration lwevel automatically, and according to the setting value of people, processor automatically compares and calculates, Instruction, automated system operation is sent to executor.
Therefore, this utility model has elimination haze, send new wind, waste air, recuperation of heat several functions.
Accompanying drawing explanation
Fig. 1 is window air cleaning heat exchanger construction Fig. 1
Fig. 2 is window air cleaning heat exchanger construction Fig. 2
Fig. 3 is window air cleaning heat exchanger construction Fig. 3
Fig. 4 is window air cleaning heat exchanger construction Fig. 4
Fig. 5 is window air cleaning heat exchanger scheme of installation
Fig. 6 is wall hanging window air cleaning heat exchanger scheme of installation 1
Fig. 7 is wall hanging window air cleaning heat exchanger scheme of installation 2
Description of reference numerals:
1,28, wind exhausting outlet, 2, exhaust blower, 3, housing, 4,17, air exhaust passage, 5, heat-insulation layer, 6, heat exchange movement, 7, change Heat engine core wind exhausting outlet, 8,20,22, dividing plate, 9,31, fresh inlet, 10, new blower fan, 11,12,26, fixture, 13, distribution control Device processed, 14, air purifier, 15, heat exchange movement fresh inlet, 16,33, air draft import, 18, heat exchange movement air draft import, 19, The new wind of heat exchange movement exports, 21,32, the outlet of new wind, 23, interior circulating air opening, 24, coaxial motor, 25, fixed screw, 27, air draft Pipe, 29, lamina of septum pellucidum, 30, fresh wind tube, 34, through wires hole
Detailed description of the invention
In Fig. 1, window is double window, and fixture is passed through in upper and lower side and a side of window air cleaning heat exchanger 11,12 and fixed screw 25 be fixed on window frame, another side is fixed on the frame of sash by fixture 26, uses at gap Blanket type insulation is filled, and prevents from leaking out.Therefore, window air cleaning heat exchanger is divided into inside and outside two sides, new wind to go out by window Mouth 21, air draft import 16 are positioned at indoor one side, and fresh inlet 9, wind exhausting outlet 1 are positioned at outdoor one side.
Housing 3 inner route clapboard 8,20,22, heat exchange movement 6, encapsulant define fresh air channel and air exhaust passage, two The airtight partition of individual passage does not alter wind.The two ends of fresh air channel are fresh inlet 9 and new wind outlet 21, and the two ends of air exhaust passage are rows Wind inlet 16 and wind exhausting outlet 1.New blower fan 10 is contained in fresh air channel, and exhaust blower 2 is contained in air exhaust passage, in order to reduce indoor Noise, new blower fan 10 is contained between fresh inlet 9 and heat exchange movement fresh inlet 15, and exhaust blower 2 is contained in wind exhausting outlet 1 and heat exchange Between movement wind exhausting outlet 7, new blower fan 10, exhaust blower 2 preferably use many grades or frequency control blower fan, to adapt to the need of different air quantity Asking, and reduce power consumption, in order to keep indoor positive pressure, resh air requirement is preferably slightly larger than exhaust air rate.Wind exhausting outlet 1, fresh inlet 9 use Stormproof louvre air port, preferably fills gross porosity drainage screen at fresh inlet 9, air draft import 16.
Air purifier 14 is contained between fresh inlet 9 and heat exchange movement fresh inlet 15, is contained in new blower fan 10 in figure At air outlet, it is possible to before being contained in new blower fan 10 air inlet.Air purifier 14 can use filtration dust catcher, electrostatic precipitator Deng, or a combination of both, can be with harmful substances such as the outer PM2.5 of decontamination chamber, filtration dust catcher uses drainage screen, non-woven fabrics to wait Filtering material, electrostatic precipitator has filter-type, absorbent-type, ion-type etc., and activated carbon, photocatalyst are to absorption, decomposing harmful substances also Being useful, work as narrow space, air purifier 14 preferably uses filtration dust catcher, and such volume is little, installs and easy to clean.
Heat exchange movement 6 is air-to-air heat exchanger, uses board-like, plate-fin heat exchanger etc., and heat exchange material is rustless steel The materials such as plate, aluminium sheet, film material, paper wood, metal material is airtight and water, belongs to sensible heat exchanger, and film material, paper wood are airtight, can Infiltration moisture content, belongs to air-to-air total heat exchanger.Having fresh air channel and air exhaust passage in heat exchange movement 6, both pass through heat exchange material, sealing Material, dividing plate separate, and new wind and air draft are by heat exchange material heat exchange, and one end of fresh air channel is heat exchange movement fresh inlet 15, And communicate with fresh inlet 9, the other end is heat exchange movement new wind outlet 19, and communicates with new wind outlet 21, the one of air exhaust passage End is heat exchange movement air draft import 18, and communicates with air draft import 16, and the other end is heat exchange movement wind exhausting outlet 7, and and air draft Outlet 1 communicates.Heat exchange movement 6 is fit to do integral parts, can dismount cleaning.
In order to make new wind and air draft be adverse current in heat exchange movement 6, add air exhaust passage 4,17, and near heat exchanger Heat-insulation layer 5 is posted in the side of core 6, reduces heat exchange.
Housing 3 is fixed on window frame by fixture 11,12, should reserve fixing device on housing 3, can be according to different windows Frame makes different fixing devices.
Distribution controller 13 be blower fan distribution, control equipment run, according to sensor provide indoor and outdoor haze index, two The parameters such as carbonoxide concentration, humiture, the operating condition of distribution controller 13 decision device.
The operating condition of this equipment has the operation of new wind, air draft operation, heat exchange to run.When new wind runs, start new blower fan 10, exhaust blower 2 does not starts, and the flow process of new wind is: outdoor new wind → fresh inlet 9 → new blower fan 10 → air purifier 14 → change Heat engine core fresh inlet 15 → heat exchange movement 6 fresh air channel → heat exchange movement new wind outlet 19 → new wind outlet 21 → indoor.When When air draft runs, starting exhaust blower 2, new blower fan 10 does not starts, and the flow process of air draft is: indoor exhaust air → air draft import 16 → air draft Passage 17 → heat exchange movement air draft import 18 → heat exchange movement 6 air exhaust passages → heat exchange movement wind exhausting outlet 7 → air exhaust passage 4 → Exhaust blower 2 → wind exhausting outlet 1 → outdoor.When heat exchange runs, ibid, now, new wind and air draft exist the flow process of new wind and air draft Heat exchange in heat exchange movement 6, energy is recycled utilization, generally carries out recuperation of heat when summer and winter air-conditioning.
Adding interior circulating air opening 23 in Fig. 2, be contained on dividing plate 8, eliminate air exhaust passage 4,17, air draft is being changed with new wind Being following current in heat engine core 6, interior circulating air opening 23, wind exhausting outlet 1, fresh inlet 9 are electric vent, can be with automatic open close.This sets Standby in addition to the operation of above-mentioned new wind, air draft operation, heat exchange run three kinds of operating conditions, add indoor circulation operating mode, its stream Cheng Shi: room air → air draft import 16 → interior circulating air opening 23 → new blower fan 10 → air purifier new wind of 14 → heat exchange movement Import 15 → heat exchange movement 6 fresh air channel → heat exchange movement new wind outlet 19 → new wind outlet 21 → indoor, interior circulating air opening 23 It is contained between fresh inlet 9 and air draft import 16, before new blower fan 10 air entry, closes when interior circulating air opening 23 is flat, indoor Opening during internal air circulation, wind exhausting outlet 1, fresh inlet 9 are closed simultaneously, and this operating mode can purify the air of a room.
The position change in four air ports position in Fig. 3, wind exhausting outlet 1, new wind outlet 21 moves on to bottom, fresh inlet 9, Air draft import 16 moves on to top.
In Fig. 4, exhaust blower 2 moves on at air draft import 16, and its impeller is contained on the axle of coaxial motor 24, the leaf of new blower fan 10 Wheel is also contained on the axle of coaxial motor 24, and when coaxial motor 24 operates, new blower fan 10, exhaust blower 2 run simultaneously, coaxial motor 24 are contained on dividing plate 8, keep the seal of fresh air channel and air exhaust passage, are also equipped with interior circulating air opening 23 on dividing plate 8, when needing When wanting indoor air circulation to process, circulating air opening 23 in opening, close wind exhausting outlet 1, fresh inlet 9.
In Fig. 5, this equipment is fixed on sliding window, is fixed on window frame with fixed screw 25, while with fixing Part 26 is fixed on the frame of sash, seam crossing filled soft encapsulant.
In Fig. 6, window air cleaning heat exchanger is wall-mounted, and it is fixed at indoor edge of window, is pulled open by sash, transparent Dividing plate 29 is contained in place of windowing, and is fixed on window frame and window sash frame with fixture, and does encapsulation process.Lamina of septum pellucidum 29 has Wind exhausting outlet 28 and fresh inlet 31, outside faced chamber, the two ends of exhaust duct 27 connect wind exhausting outlet 1,28 respectively, fresh wind tube 30 Two ends connect fresh inlet 9,31 respectively, and so, wind exhausting outlet 1, fresh inlet 9 communicate with outdoor.Lamina of septum pellucidum 29 uses glass The transparent material such as glass, plastics, can do single or multiple lift, and this method can also avoid through walls burrowing, and has no effect on window daylighting.
In Fig. 7, wall hanging window air cleaning heat exchanger is fixed at outdoor edge of window, lamina of septum pellucidum 29 has air draft Import 33, new wind outlet 32, in faced chamber, the two ends of exhaust duct 27 connect air draft import 16,33, the two ends of fresh wind tube 30 respectively Connecting new wind outlet 21,32 respectively, so, air draft import 16, new wind outlet 21 communicate with indoor.Because of in outdoor, exhaust duct 27, Fresh wind tube 30 uses insulating tube, and apparatus casing should take Insulation.Having through wires hole 34 on lamina of septum pellucidum 29, distribution controls The distribution control line of device 13 is connected through this hole with outdoor unit.
The above, be only preferable implementing method of the present utility model, and this utility model not does any form On restriction.Any simple modification of above implementing method being done according to technical spirit of the present utility model, equivalent variations and Modify, belong to protection domain of the present utility model.

Claims (6)

1. window air cleaning heat exchanger, including housing, new blower fan, exhaust blower, heat exchange movement, air purifier, fresh inlet, New wind outlet, air draft import, wind exhausting outlet, distribution controller, is characterized in that, the said equipment is integrated in housing, becomes one Entirety, outdoor new wind do not altered wind with indoor exhaust wind by dividing plate, the airtight partition of encapsulant, forms fresh air channel and air exhaust passage, Heat exchanger in-core has fresh air channel and air exhaust passage, and both are separated by heat exchange material and blocking material, and new wind passes through with air draft Heat exchange material heat exchange, one end of fresh air channel is heat exchange movement fresh inlet, and communicates with the fresh inlet of housing, and the other end is The new wind of heat exchange movement exports, and communicates with the new wind outlet of housing, and one end of air exhaust passage is heat exchange movement air draft import, and with The air draft import of housing communicates, and the other end is heat exchange movement wind exhausting outlet, and communicates with the wind exhausting outlet of housing, air purifier Being contained between heat exchange movement fresh inlet and the fresh inlet of housing, new blower fan is contained in fresh inlet in housing, new wind exports it Between fresh air channel in, exhaust blower is contained in housing in the air exhaust passage between air draft import, wind exhausting outlet, the outlet of new wind, row Wind inlet is positioned at a side of housing, and fresh inlet, wind exhausting outlet are positioned at another side of housing, are pulled open by sash, shell Body is contained in place of windowing, and is fixed on window frame and window sash frame with fixture, and does encapsulation process, and the outlet of new wind, air draft import are positioned at Indoor, fresh inlet, wind exhausting outlet are positioned at outdoor, new blower fan, exhaust blower employing speed-changing draught fan.
2. window air cleaning heat exchanger, including housing, new blower fan, exhaust blower, heat exchange movement, air purifier, fresh inlet, New wind outlet, air draft import, wind exhausting outlet, fresh wind tube, exhaust duct, lamina of septum pellucidum, distribution controller, is characterized in that, new blower fan, The outlet of exhaust blower, heat exchange movement, air purifier, fresh inlet, new wind, air draft import, wind exhausting outlet are integrated in housing, become Being an entirety, outdoor new wind is not altered wind with indoor exhaust wind by dividing plate, the airtight partition of encapsulant, forms fresh air channel and air draft Passage, heat exchanger in-core has fresh air channel and air exhaust passage, and both are separated by heat exchange material and blocking material, new wind and air draft By heat exchange material heat exchange, one end of fresh air channel is heat exchange movement fresh inlet, and communicates with the fresh inlet of housing, another End is the outlet of heat exchange movement new wind, and communicates with the new wind outlet of housing, and one end of air exhaust passage is heat exchange movement air draft import, And communicate with the air draft import of housing, the other end is heat exchange movement wind exhausting outlet, and communicates with the wind exhausting outlet of housing, and air is clean Changing device to be contained between heat exchange movement fresh inlet and the fresh inlet of housing, new blower fan is contained in fresh inlet in housing, new wind goes out In fresh air channel between Kou, exhaust blower is contained in housing in the air exhaust passage between air draft import, wind exhausting outlet, and new wind goes out Mouth, air draft import are positioned at a side of housing, and fresh inlet, wind exhausting outlet are positioned at another side of housing, and it is wall hanging Window air cleaning heat exchanger, it is fixed at indoor edge of window, is pulled open by sash, and lamina of septum pellucidum is contained in place of windowing, with fixing Part is fixed in window frame and window sash frame, and does encapsulation process, has wind exhausting outlet and fresh inlet, faced chamber on lamina of septum pellucidum Outward, the two ends of exhaust duct connect the wind exhausting outlet on housing, lamina of septum pellucidum respectively, and the two ends of fresh wind tube connect housing, thoroughly respectively Fresh inlet on bright dividing plate, so, wind exhausting outlet, fresh inlet on housing communicate with outdoor, and new blower fan, exhaust blower use Speed-changing draught fan.
3. window air cleaning heat exchanger, including housing, new blower fan, exhaust blower, heat exchange movement, air purifier, fresh inlet, New wind outlet, air draft import, wind exhausting outlet, fresh wind tube, exhaust duct, lamina of septum pellucidum, distribution controller, is characterized in that, new blower fan, The outlet of exhaust blower, heat exchange movement, air purifier, fresh inlet, new wind, air draft import, wind exhausting outlet are integrated in housing, become Being an entirety, outdoor new wind is not altered wind with indoor exhaust wind by dividing plate, the airtight partition of encapsulant, forms fresh air channel and air draft Passage, heat exchanger in-core has fresh air channel and air exhaust passage, and both are separated by heat exchange material and blocking material, new wind and air draft By heat exchange material heat exchange, one end of fresh air channel is heat exchange movement fresh inlet, and communicates with the fresh inlet of housing, another End is the outlet of heat exchange movement new wind, and communicates with the new wind outlet of housing, and one end of air exhaust passage is heat exchange movement air draft import, And communicate with the air draft import of housing, the other end is heat exchange movement wind exhausting outlet, and communicates with the wind exhausting outlet of housing, and air is clean Changing device to be contained between heat exchange movement fresh inlet and the fresh inlet of housing, new blower fan is contained in fresh inlet in housing, new wind goes out In fresh air channel between Kou, exhaust blower is contained in housing in the air exhaust passage between air draft import, wind exhausting outlet, and new wind goes out Mouth, air draft import are positioned at a side of housing, and fresh inlet, wind exhausting outlet are positioned at another side of housing, and it is wall hanging Window air cleaning heat exchanger, it is fixed at outdoor edge of window, is pulled open by sash, and lamina of septum pellucidum is contained in place of windowing, with fixing Part is fixed in window frame and window sash frame, and does encapsulation process, has air draft import and the outlet of new wind, faced chamber on lamina of septum pellucidum In, the two ends of exhaust duct connect the air draft import on housing, lamina of septum pellucidum respectively, and the two ends of fresh wind tube connect housing, thoroughly respectively New wind outlet on bright dividing plate, so, the air draft import on housing, the outlet of new wind communicate with indoor, and new blower fan, exhaust blower use Speed-changing draught fan.
4. according to the window air cleaning heat exchanger described in claim 1 or 2 or 3, it is characterized in that, heat exchange movement is air-sky Gas heat exchanger, it uses sensible heat exchanger or air-to-air total heat exchanger.
5. according to the window air cleaning heat exchanger described in claim 1 or 2 or 3, it is characterized in that, it is with interior circulating air opening, Realizing indoor air circulation purified treatment, this air port is electric vent.
6. according to the window air cleaning heat exchanger described in claim 1 or 2 or 3, it is characterized in that, new blower fan, exhaust blower use Coaxial motor, both impellers are contained on same motor shaft.
CN201620568177.6U 2016-06-14 2016-06-14 Window air cleaning heat exchanger Active CN205747324U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620568177.6U CN205747324U (en) 2016-06-14 2016-06-14 Window air cleaning heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620568177.6U CN205747324U (en) 2016-06-14 2016-06-14 Window air cleaning heat exchanger

Publications (1)

Publication Number Publication Date
CN205747324U true CN205747324U (en) 2016-11-30

Family

ID=57361018

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620568177.6U Active CN205747324U (en) 2016-06-14 2016-06-14 Window air cleaning heat exchanger

Country Status (1)

Country Link
CN (1) CN205747324U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890100A (en) * 2016-06-14 2016-08-24 荣国华 Window type air purification heat exchanger
CN107420009A (en) * 2017-04-11 2017-12-01 大连理工大学 A kind of fresh air purifying window and its method of ventilation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890100A (en) * 2016-06-14 2016-08-24 荣国华 Window type air purification heat exchanger
CN105890100B (en) * 2016-06-14 2021-10-15 荣国华 Window type air purification heat exchanger
CN107420009A (en) * 2017-04-11 2017-12-01 大连理工大学 A kind of fresh air purifying window and its method of ventilation

Similar Documents

Publication Publication Date Title
CN203848442U (en) Fresh air machine with air purification function
CN105890100A (en) Window type air purification heat exchanger
CN204285721U (en) A kind of VMC
CN104456754B (en) A kind of intelligent air purifying window and window intelligent air purifying system
CN107202396A (en) A kind of double circulation VMC and new blower fan
CN204301210U (en) A kind of intelligent air purifying window and window intelligent air purifying system
CN106642381A (en) Window type air conditioner
CN205747324U (en) Window air cleaning heat exchanger
CN205137683U (en) Automatically cleaning air purification system
CN204513585U (en) A kind of indoor purifying system
CN203642412U (en) Fresh air purifier capable of realizing indoor and outdoor air circulation
CN104775728A (en) Double-layer ventilation and thermal-insulation window and energy-saving ventilation and air conditioning system
CN205196585U (en) Animal feeding and energy -conserving purifier in laboratory
CN205137723U (en) Comfortable new trend purification all -in -one
CN204240525U (en) Single channel accumulation of energy aeration device and indoor air cleaner
CN207214359U (en) A kind of wall-mounted fresh air purifying all-in-one
CN206247549U (en) A kitchen air-makeup system with waste-heat recovery device
CN203310024U (en) Outdoor-mounted ventilation purifying machine
CN212299314U (en) New fan
CN106642496A (en) Kitchen air supplying system with waste heat recovery device
CN102944047A (en) Automatic living room air circulation device
CN207831461U (en) Self controlled stove smoke waste heat utilization system
CN109140650A (en) A kind of indoor fresh air ventilating device
CN2937285Y (en) Modular function device of double-layer curtain wall
WO2019113924A1 (en) Bidirectional fresh air purifier

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant