CN205505199U - Air purification ventilation window - Google Patents
Air purification ventilation window Download PDFInfo
- Publication number
- CN205505199U CN205505199U CN201620124062.8U CN201620124062U CN205505199U CN 205505199 U CN205505199 U CN 205505199U CN 201620124062 U CN201620124062 U CN 201620124062U CN 205505199 U CN205505199 U CN 205505199U
- Authority
- CN
- China
- Prior art keywords
- air
- blower fan
- heat pipe
- efficiency
- gravity
- 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.)
- Expired - Fee Related
Links
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses an air purification ventilation window relates to air purification technical field. The utility model discloses a shutter cover and outer shutter cover were equipped with the gravity heat pipe heat exchanger in cylindric window form, the inside and outside both sides of cylindric window form were equipped with respectively between two inside and outside shutters cover, and the centre of gravity heat pipe heat exchanger is equipped with the baffle, and this baffle divides into the cylindric window form goes up wind channel and wind channel down, be in the wind and/or down the outer shutter in the wind channel cover and the gravity heat pipe heat exchanger between be equipped with high -efficient air filter layer, upward be equipped with first fan in the wind channel, be equipped with the second fan in the lower wind channel. The utility model discloses can be to the room ventilation, take a breath, filter, do not open the quality that the room air also can be guaranteed to the window.
Description
Technical field
This utility model relates to technical field of air purification, specifically a kind of air cleaning vent window.
Background technology
In time the most more than a year, haze starts come into our life and become the focus of social concerns, it is especially very serious in the northern area of China haze problem, then ventilation of windowing for numerous residents has seemed into a kind of extravagant hope, and especially one connects the haze weather of a couple of days so that a lot of families door and window closes, room a couple of days can not get ventilating, IAQ (indoor air quality) makes us being to worry very much, the room air of alluvial a few days is easy to breed bacteria, virus, brings the biggest threat to our health.
On the other hand, air-conditioning has compared universal for Modern Family, and as you know: either cooling in summer or heating in winter, as long as room conditioning is running, we can close window, thus reduce the cooling and heating load of air-conditioning.And be 30 m according to " Indoor Air Quality standards " everyone resh air requirement required per hour3/(h
Utility model content
Technical problem to be solved in the utility model is to provide and a kind of purifies air draught window, it is possible to room ventilation, takes a breath, filter, is not turned on window and also can guarantee that the quality of room air.
For solving above-mentioned technical problem, technical solution adopted in the utility model is: a kind of air cleaning vent window, including tubular forms, interior blind hood and outer blind hood it is respectively equipped with inside and outside tubular forms, it is provided with gravity heat pipe heat exchanger between inside and outside two blind hoods, the centre of gravity heat pipe heat exchanger is provided with dividing plate, this dividing plate is divided into upper air duct and lower air duct tubular forms, it is in the wind and/or is provided with high-efficiency air filtering layer between outer blind hood and gravity heat pipe heat exchanger in lower air duct, upper air duct is provided with the first blower fan, lower air duct is provided with the second blower fan.
Further technical scheme, when being provided with high-efficiency air filtering layer between lower air duct China and foreign countries' blind hood and gravity heat pipe heat exchanger, the first blower fan is exhaust fan, and the second blower fan is air intake blower fan.
Further technical scheme, when being provided with high-efficiency air filtering layer when being in the wind between China and foreign countries' blind hood and gravity heat pipe heat exchanger, the first blower fan is air intake blower fan, and the second blower fan is exhaust fan.
Further technical scheme, in upper air duct, the first blower fan is arranged on the inner side of outer blind hood, and in lower air duct, the second blower fan is arranged on the inner side of interior blind hood.
Further technical scheme, described high-efficiency air filtering layer sequentially includes AV990 sterilizing layer, high-efficiency catalytic activity layer of charcoal, HEPA high efficiency filter layer, formaldehyde high-efficiency decomposition layer and anion layer from outer to interior.
Further technical scheme, gravity heat pipe heat exchanger includes dividing plate and gravity assisted heat pipe that is some uniform and that be vertically fixed on dividing plate, the top half of gravity assisted heat pipe is condensation end, and the latter half is evaporation ends, and the periphery of gravity assisted heat pipe is uniformly provided with some perpendicular fins.
Further technical scheme, the inwall of tubular forms is provided with silencing plate.
Further technical scheme, silencing plate is ultramicropore sheet material, is affixed with tubular forms inwall.
Further technical scheme, the structure of described tubular forms is cylindric.
Further technical scheme, also include solar power current collection electric power system, solar power current collection electric power system includes photovoltaic module, controller, accumulator battery, inverter, wherein, controller is connected with photovoltaic module, accumulator battery is connected with controller, and the first blower fan and the second blower fan are connected with controller by inverter.
Use and have the beneficial effects that produced by technique scheme: this utility model is to utilize existing efficient filtering material, efficient gravity heat pipe heat exchanger, particulate matter in air, float, abnormal flavour, flue gas, virus and bacteria, radiation and volatile organic compounds are efficiently removed, reach ventilation, energy-conservation, purification air, the resistance pollutant such as haze and antibacterial, make user in the case of not opening a window, also room ventilation can be made to take a breath, absorb clean free of contamination air.
Accompanying drawing explanation
Fig. 1 is the overall construction drawing of one embodiment of this utility model；
Fig. 2 is the structural representation of this utility model high-efficiency air filtering layer；
Fig. 3 is the schematic diagram of this utility model gravity heat pipe heat exchanger；
Fig. 4 is gravity assisted heat pipe heat exchange principle figure in Fig. 3；
Fig. 5 is the structural representation of another embodiment of this utility model；
Fig. 6 is this utility model summer ventilation Principle of Process figure；
In figure: 1, tubular forms；2, anion layer；3, formaldehyde high-efficiency decomposition layer；4, the first blower fan；5, outer blind hood；6, dividing plate；7, AV990 sterilizing layer；8, high-efficiency catalytic activity layer of charcoal；9, HEPA high efficiency filter layer；10, silencing plate；11, the second blower fan；12, interior blind hood；13, gravity heat pipe heat exchanger；14, gravity assisted heat pipe；15, fin；16, controller；17, accumulator battery；18, inverter；19, air cleaning vent window；20, photovoltaic module；21, high-efficiency air filtering layer.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
General ventilation installation is the most energy-conservation, not environmentally, the most intelligent again it cannot be guaranteed that IAQ (indoor air quality).The most do not exist and not only can ensure New atmosphere quality but also do not increase the ventilation installation of air conditioner cold-heat load now.
This utility model can be on the premise of not only ensureing New atmosphere quality but also not increasing air conditioner cold-heat load, utilize the more energy-conserving and environment-protective of Driven by Solar Energy blower fan, the heat exchange that heat pipe is more efficient, resistance alarm device and intelligent distant control control system is utilized to make to change design more intelligent.Create the low cost of applicable vast average family, energy-conservation, comfortable, the family air conditioner ventilation window of reduction air conditioner load.
This utility model is divided into following two embodiments,
The concrete technical scheme of embodiment one is as follows:
See shown in Fig. 1-Fig. 4, including tubular forms 1, interior blind hood 12 and outer blind hood 5 it is respectively equipped with inside and outside tubular forms 1, it is provided with gravity heat pipe heat exchanger 13 between inside and outside two blind hoods, the centre of gravity heat pipe heat exchanger 13 is provided with dividing plate 6,6 tubular forms 1 of this dividing plate are divided into upper air duct and lower air duct, it is in the wind and/or is provided with high-efficiency air filtering layer 21 between outer blind hood 5 and gravity heat pipe heat exchanger 13 in lower air duct, upper air duct is provided with the first blower fan 4, lower air duct is provided with the second blower fan 11.Wherein, interior blind hood 12 is positioned at indoor, and outer blind hood 5 is positioned at outdoor.
When being provided with high-efficiency air filtering layer between lower air duct China and foreign countries' blind hood 5 and gravity heat pipe heat exchanger 13, the first blower fan 4 is exhaust fan, and the second blower fan 11 is air intake blower fan, the vent window used for summer, and realizes such as the ventilation process of Fig. 6.Outdoor hot-air under the effect of air intake blower fan through high-efficiency air filtering layer 21, and after gravity heat pipe heat exchanger 13 heat exchange, air filtration purifies and lowers the temperature, enter indoor, meanwhile, indoor air, under the effect of exhaust fan, is discharged through gravity heat pipe heat exchanger 13, realize the purification of air, ventilate, take a breath, and save the energy consumption of air-conditioning.By summer as a example by outside air temperature is 34 DEG C, air is after this utility model, and temperature when entering indoor can be down to 28.4 DEG C, has not only purified air, has reached the effect of ventilation, has also saved the energy consumption of air-conditioning.
When being provided with high-efficiency air filtering layer when being in the wind between China and foreign countries' blind hood 5 and gravity heat pipe heat exchanger 13, the first blower fan 4 is air intake blower fan, and the second blower fan 11 is exhaust fan, for the vent window of use in winter.Outdoor cold air under the effect of air intake blower fan through high-efficiency air filtering layer 21, and after gravity heat pipe heat exchanger 13 heat exchange, air filtration purifies and heats up, enter indoor, meanwhile, indoor air, under the effect of exhaust fan, is discharged through gravity heat pipe heat exchanger 13, realize the purification of air, ventilation, it is achieved energy-saving scavenging.
Wherein high-efficiency air filtering layer 21 position is set, be that the difference according to winter and summer is respectively provided with, in summer, high-efficiency air filtering layer 21 is arranged in lower air duct；In winter, high-efficiency air filtering layer 21 is arranged on upper air duct, naturally it is also possible to be respectively provided with high-efficiency air filtering layer 21 at upper lower air duct.The outward flange of high-efficiency air filtering layer 21 is closely connected with the inwall of tubular forms 1, in order to avoid air filtered enters indoor.
Wherein, in upper air duct, the first blower fan 4 is arranged on the inner side of outer blind hood 5, and in lower air duct, the second blower fan 11 is arranged on the inner side of interior blind hood 12.
Wherein, high-efficiency air filtering layer 21 sequentially includes AV990 sterilizing layer 7, high-efficiency catalytic activity layer of charcoal 8, HEPA high efficiency filter layer 9, formaldehyde high-efficiency decomposition layer 3 and anion layer 2 from outer to interior.
Gravity heat pipe heat exchanger 13 includes dividing plate 6 and gravity assisted heat pipe 14 that is some uniform and that be vertically fixed on dividing plate 6, and the top half of gravity assisted heat pipe 14 is condensation end, and the latter half is evaporation ends, and the periphery of gravity assisted heat pipe 14 is uniformly provided with some perpendicular fins 15.
Simultaneously for solving the noise problem in fan operation and the air process of circulation, the internal noise elimination using ultramicropore panel material of tubular forms, i.e. use ultramicropore sheet material to make the noise elimination sleeve adaptive with tubular forms inwall, be affixed with tubular forms 1 inwall.Namely the inwall of tubular forms 1 is provided with silencing plate 10.
Wherein, whole tubular forms 1 use cylinder-like structure profile, allow for the gravity assisted heat pipe in this vent window to need to adjust when season in summer in winter two uses to change this problem of wind direction and design, and circular arc shape air attractive in appearance, it is arranged on family's vent window or is set on body of wall the effect that both can realize ventilated energy-saving, the effect of interior decoration can be reached again.Tubular forms color can select according to user's request, voluntarily to adapt to the needs of home decoration.
For reaching the purpose purifying the air entering indoor, resisting the pollutant such as haze, antibacterial comprehensively, tubular forms 1 air inlet uses the high efficiency filter layer formed by multilamellar combinations such as av990 sterilizing, high-efficiency catalytic activity charcoal, HEPA high efficiency filter, formaldehyde high-efficiency decomposition, anion to carry out purifying fresh air, and filter efficiency is up to 98%.
Such as, AV990 sterilizing layer 7 utilizes AV990 sterilization technology, crosses the floating dust of more than 20 microns in air filtering, and the efficiency such as hair, pollen, dandruff of wafing such as house pet are up to more than 92%.
In high-efficiency catalytic activity layer of charcoal 8, activated charcoal filter material is to be exclusively used in the abnormal flavour and pollution processed in air, is also widely used in the air filtration in air conditioner ventilation place simultaneously;Wherein filtering material of activated carbon contains 100% surface adsorption ability, can effectively remove substantial amounts of foul smell and harmful gas.Use the high-efficiency catalytic activity charcoal that specific surface area is high, harmful gas (TVOC) and the particulate matter being invisible to the naked eye can be adsorbed.Odor removal efficient can reach more than 95%.
HEPA (High efficiency particulate air Filter), for high efficiency particle air filter, reach the drainage screen of HEPA standard, effective percentage for 0.1 micron and 0.3 micron reaches 99.998%, the feature of HEPA net is that air can pass through, but tiny microgranule cannot pass through.It can reach more than 99.7% to the particle removal efficiency more than a diameter of 0.3 micron (the 1/200 of hair diameter), is the maximally effective filtering mediums of pollutant such as smog, dust and antibacterial.(a diameter of 0.5 micron of the smoke particle produced of smoking).
Formaldehyde high-efficiency decomposition layer 3 can decompose the pathogenic bacterias such as the virus in air, mycete, dust mite, antibacterial.
Anion layer 2 can remove the radiation in air and volatile organic matter, wherein, negative ion air-cleaner is that air is purified by a kind of anion utilizing self to produce, dedusting, taste removal, the environment optimization electrical equipment of sterilizing, it is a difference in that using anion as acting factor with traditional air cleaner, make an initiative sally the harmful substance caught in air, and traditional air cleaner is blower fan convulsion, utilize strainer filtering dust to purify air, it is referred to as the cleaning principle of passive adsorption filtering type, need to regularly replace filter screen, negative ion air-cleaner is then without consumptive material.Using at present anion converter technology and the negative ion air-cleaner fan of sub-fullerene negative ion release technology received all to need not, do not have any noise, night can also use.The feature of anion fine-purification air is fast for inactivation speed, and inactivation ratio is high, and air, the microorganism of article surface, antibacterial, virus are all had deactivation.
Use gravity assisted heat pipe of the prior art, the working medium of gravity assisted heat pipe, at high-temperature heating section endothermic gasification, condenses in Exotherm section and releases heat, and again absorb heat to bringing-up section by gravity reflux, the most constantly circulate thus heat is delivered to another low-temperature end from temperature end, play the effect of cooling.Heat pipe is fine vacuum in having the feature that pipe, and working media easily evaporates gasification；Intraductal heat transfer thermal resistance is the least, can obtain the bigger coefficient of overall heat transmission with the less temperature difference；It is vapour, liquid two-phase coexistent in pipe during work, and is saturated vapor, have excellent isothermal performance；Heat exchange between cold fluid and hot fluid is all carried out outside pipe, can carry out heat conduction reinforced easily；Each heat pipe all works alone.Even if the tube wall of certain root heat pipe or several heat pipe is damaged, all without the most mixed phenomenon that cold fluid and hot fluid occurs；Owing to the end of heat pipe is unfettered, under the high temperature conditions, the most there is not the problem producing thermal stress damage because of thermal expansion, durable in use, safe and reliable.
As can be seen here, the air purification the most progressively by high efficiency filter layer, enter the air that indoor are then clean cleanings, therefore, in outdoor be particularly that the air qualities such as haze, dust, flue gas are poor, pollution index height time, or the situation such as indoor unlatching air-conditioning, can not window opened via ventilate time, can play ventilation and purify the effect of air, indoor air is then discharged in air, has promoted air flowing.
This utility model is utilized to can solve the problem that the problem that indoor air ventilating ventilation is difficult under haze weather and room conditioning running status.
Embodiment two
It is 30m according to " Indoor Air Quality standards " everyone resh air requirement required per hour3/ (h v=0.3m/s, averagely has four people in indoor by each family, and needing resh air requirement the most altogether is Q=120m3/h.
Then by Q=V × A=V × 3.14 × R2/2
Substitution data obtain: the R=0.27m i.e. size of window is R=0.27m
Calculate the power P installed required for blower fan
By P=Qp/ (3600 × 1000 × η0η1)
Q: new wind ventilation m3/h
P: full blast pressure, p=0.5 ρ v2, ρ takes 1.2kg/m3
η0For fun for inner efficiency 0.75-0.85, take 0.8
η1For mechanical efficiency, blower fan and motor direct-connected formula take 1
Substitute into P=120 × 0.5 × 1.2 × (0.3) × 2/ (3600 × 1000 × 0.8 × 1) of data
Obtain P=8.73W.
It can thus be appreciated that power of fan used is the lowest, power consumption is the least, if two Fans work simultaneously, and general power the most only about 20W, so embodiment two uses solar power current collection system to come for the motor of fan and provides power, shown in solar power current collection electric power system operation principle Fig. 5.
It can thus be appreciated that, solar power current collection electric power system is also included on the basis of embodiment one, solar power current collection electric power system includes photovoltaic module 20, controller 16, accumulator battery 17, inverter 18, wherein, controller 16 is connected with photovoltaic module 20, accumulator battery 17 is connected with controller 16, and the first blower fan 4 and the second blower fan 11 are connected with controller 16 by inverter 18.Utilize solaode to supply power supply, reach energy-conservation, the effect of low cost, decrease the load of air-conditioning.
As a example by tubular forms are as cylindrical shape, sleeve, the small fan the high efficiency particulate air filter chosen, gravity heat-exchanger rig, quieter material made are assembled in ventilation tubular forms.The power of two small fans of tubular forms provides with solar power current collection device.Simultaneously equipped with controller, it is achieved remote pilot, and realize ventilation process as shown in Figure 6.
This utility model relates to noise elimination technique, solar power current collection electric power system (power source), air filtration layer resistance monitoring device, resistance alarm device (reminding householder to change drainage screen in time), intelligent distant control control system in the design of air filtration cleaning system, the design of heat pipe, the selection of blower fan, tubular forms inner ventilation road.Immediately following era development theme (haze is serious), solar power current collection, air cleaning and heat pipe heat exchanging technology is combined create the low cost of applicable vast average family, energy-conservation, comfortable, the family air conditioner ventilation window of reduction air conditioner load dexterously.
Claims (10)
1. an air cleaning vent window, it is characterized in that, including tubular forms (1), interior blind hood (12) and outer blind hood (5) it is respectively equipped with inside and outside tubular forms (1), gravity heat pipe heat exchanger (13) it is provided with between inside and outside two blind hoods, the centre of gravity heat pipe heat exchanger (13) is provided with dividing plate (6), this dividing plate (6) is divided into upper air duct and lower air duct tubular forms (1), it is in the wind and/or is provided with high-efficiency air filtering layer (21) between outer blind hood (5) and gravity heat pipe heat exchanger (13) in lower air duct, upper air duct is provided with the first blower fan (4), lower air duct is provided with the second blower fan (11).
A kind of air cleaning vent window the most according to claim 1, it is characterized in that, when being provided with high-efficiency air filtering layer between lower air duct China and foreign countries' blind hood (5) and gravity heat pipe heat exchanger (13), the first blower fan (4) is exhaust fan, and the second blower fan (11) is air intake blower fan.
A kind of air cleaning vent window the most according to claim 1, it is characterized in that, when being provided with high-efficiency air filtering layer when being in the wind between China and foreign countries' blind hood (5) and gravity heat pipe heat exchanger (13), the first blower fan (4) is air intake blower fan, and the second blower fan (11) is exhaust fan.
A kind of air cleaning vent window the most according to claim 1, it is characterised in that in upper air duct, the first blower fan (4) is arranged on the inner side of outer blind hood (5), and in lower air duct, the second blower fan (11) is arranged on the inner side of interior blind hood (12).
A kind of air cleaning vent window the most according to claim 1, it is characterized in that, described high-efficiency air filtering layer (21) sequentially includes AV990 sterilizing layer (7), high-efficiency catalytic activity layer of charcoal (8), HEPA high efficiency filter layer (9), formaldehyde high-efficiency decomposition layer (3) and anion layer (2) from outer to interior.
A kind of air cleaning vent window the most according to claim 1, it is characterized in that, gravity heat pipe heat exchanger (13) includes dividing plate (6) and gravity assisted heat pipe (14) that is some uniform and that be vertically fixed on dividing plate (6), the top half of gravity assisted heat pipe (14) is condensation end, the latter half is evaporation ends, and the periphery of gravity assisted heat pipe (14) is uniformly provided with some perpendicular fins (15).
A kind of air cleaning vent window the most according to claim 1, it is characterised in that the inwall of tubular forms (1) is provided with silencing plate (10).
A kind of air cleaning vent window the most according to claim 7, it is characterised in that silencing plate (10) is ultramicropore sheet material, is affixed with tubular forms (1) inwall.
A kind of air cleaning vent window the most according to claim 1, it is characterised in that the structure of described tubular forms (1) is cylindric.
A kind of air cleaning vent window the most according to claim 1, it is characterized in that, also include solar power current collection electric power system, solar power current collection electric power system includes photovoltaic module (20), controller (16), accumulator battery (17), inverter (18), wherein, controller (16) is connected with photovoltaic module (20), and accumulator battery (17) is connected with controller (16), and the first blower fan (4) and the second blower fan (11) are connected with controller (16) by inverter (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620124062.8U CN205505199U (en) | 2016-02-17 | 2016-02-17 | Air purification ventilation window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620124062.8U CN205505199U (en) | 2016-02-17 | 2016-02-17 | Air purification ventilation window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205505199U true CN205505199U (en) | 2016-08-24 |
Family
ID=56724917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620124062.8U Expired - Fee Related CN205505199U (en) | 2016-02-17 | 2016-02-17 | Air purification ventilation window |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205505199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605681A (en) * | 2016-02-17 | 2016-05-25 | 河北建筑工程学院 | Air purification ventilating window |
| CN110594346A (en) * | 2019-09-09 | 2019-12-20 | 南京思达捷信息科技有限公司 | RFID radio frequency sensor |
-
2016
- 2016-02-17 CN CN201620124062.8U patent/CN205505199U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605681A (en) * | 2016-02-17 | 2016-05-25 | 河北建筑工程学院 | Air purification ventilating window |
| CN110594346A (en) * | 2019-09-09 | 2019-12-20 | 南京思达捷信息科技有限公司 | RFID radio frequency sensor |
| CN110594346B (en) * | 2019-09-09 | 2021-05-04 | 国网新疆电力有限公司乌鲁木齐供电公司 | RFID radio frequency sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204214045U (en) | Low noise purification type combined hot reclaims air-treatment unit | |
| CN2901129Y (en) | Back blowing dust cleaning type indoor air exchanger | |
| CN105605681A (en) | Air purification ventilating window | |
| CN104895349B (en) | Ultralow-energy-consumption building system | |
| CN105202669B (en) | A kind of applied solar energy heats the indoor air cleaning system of new wind | |
| CN204026873U (en) | A kind of Novel fresh air ventilation machine | |
| CN204962899U (en) | Residual heat utilization system of range hood | |
| WO2019037212A1 (en) | Dual-use circulating purifier | |
| CN205137723U (en) | Comfortable new trend purification all -in -one | |
| CN205196585U (en) | Animal feeding and energy -conserving purifier in laboratory | |
| CN206944405U (en) | A kind of efficiently ceiling mounting type recuperation of heat purification fresh air | |
| CN205505199U (en) | Air purification ventilation window | |
| CN204850535U (en) | Ultralow energy consumption building system | |
| CN206803271U (en) | A kind of indoor self-purging ventilation oily fume exhauster | |
| CN113108404A (en) | High-efficient comfortable healthy house formula new trend system that contains function of disinfecting | |
| CN203731590U (en) | Double-gradient comfortability purifying air conditioning unit | |
| CN206410284U (en) | A kind of completely artificial regulator control system of clean living environment | |
| CN105115093A (en) | Solar combined type air change system for building | |
| CN104930565B (en) | Kitchen waste heat comprehensive utilization system | |
| CN105042657B (en) | Range hood waste heat utilization system | |
| CN214791691U (en) | Energy-saving ventilation system for house | |
| CN202927972U (en) | A multifunctional air conditioning terminal provided with a heat exchange device bypass valve | |
| CN212511675U (en) | Gas-gas heat exchange energy-saving emission-reduction integrated device | |
| CN204830075U (en) | System is used multipurposely to kitchen waste heat | |
| CN2578711Y (en) | Air exchanging fans |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20180217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |