CN208518565U - Intelligent fresh air clearing window - Google Patents
Intelligent fresh air clearing window Download PDFInfo
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- CN208518565U CN208518565U CN201821035474.XU CN201821035474U CN208518565U CN 208518565 U CN208518565 U CN 208518565U CN 201821035474 U CN201821035474 U CN 201821035474U CN 208518565 U CN208518565 U CN 208518565U
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- air inlet
- exhaust outlet
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- 239000000463 material Substances 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 claims description 2
- 230000008719 thickening Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 238000000746 purification Methods 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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Abstract
A kind of intelligent fresh air clearing window, using widen thicken window sectional material frame, central cylinder housing space is used as into air exhaust passage；It include air inlet system and exhaust system in cavity space device；The air inlet system includes: sequentially connected first air inlet, filter screen, heat-exchange device, air inlet fan and the second air inlet；The exhaust system includes: sequentially connected first exhaust outlet, exhaust blower, heat-exchange device and the second exhaust outlet.Outdoor air can purify and swap with indoor air by the intelligent fresh air clearing window, achieve the purpose that purify the air of a room, and outdoor, the outdoor air of air flow direction indoors passes through heat-exchange device when flowing to indoor respectively and carries out heat exchange, make the temperature of outdoor air is influenced by the temperature of indoor air, and then the temperature that indoor air is flowed to by outdoor is raised and lowered, so that the outdoor temperature for flowing to indoor air is more approximate with indoor temperature, play the role of energy-efficient.
Description
Technical field
The utility model relates to windows, technical field of energy saving and environmental protection, and in particular to a kind of intelligent fresh air clearing window.
Background technique
With the rapid economic development in our country, atmosphere pollution situation is very severe.In haze weather, the big more options of people
Close door and window, but after long-time airtight door window, indoor carbon dioxide and finishing, furniture release the pollutant concentrations such as formaldehyde not
Disconnected to increase, the content of oxygen reduces, and air quality is deteriorated, to seriously affect the health of human body.
In existing technology, people generally use air purifier and purify to room air.But this method cannot
So that indoor and outdoor air is circulated, fresh air can not be provided to room.And open the window when being taken a breath, what air purifier played
Clean-up effect is extremely limited.
Therefore, it is highly desirable to invent a kind of air purifying windows, window can be installed on when Outdoor Air Quality is bad
On, clean room outflows into indoor air, fresh air is provided for interior, to significantly improve indoor air quality.
Notification number is the Chinese patent of CN106121469A, discloses a kind of air purifying windows, including purification window frame and
Filter device.The filter device be placed in purification window frame in, purification window frame and room window frame on setting for will
Window frame and purification window frame, purification window frame and filter device closely coupled connector, and clearing window frame edge each other
With sealing joint strip, the filter device is detachable.The present invention is advantageous in that: structure is simple, at low cost, easy for installation,
The pollutants such as pm2.5 can be effectively filtered, while exchanging indoor and outdoor air.But at cold winter, above-mentioned air purifying windows
Outdoor filtered Cryogenic air is delivered to interior, and indoor high temperature air is delivered to outdoor, so that indoor temperature
It can suddenly reduce, indoor heating combined equipment is caused to will continue to high-power heating, will lead to refrigerating plant height when summer
Power work, and then indoor personnel is caused to experience bad and heating combined equipment or a large amount of electric energy of refrigerating plant consuming.
Utility model content
Therefore, the electricity that the technical problem to be solved by the present invention is to overcome air purifying windows in the prior art to expend
It can larger brought defect.
For this purpose, a kind of intelligent fresh air clearing window is provided, the chamber including widening the window frame (1) for thickening window sectional material, window frame (1)
Body includes air inlet system and exhaust system；
The air inlet system includes:
Sequentially connected first air inlet (21), filter screen (22), heat-exchange device, air inlet fan (24) and the second air inlet
Mouth (25)；
The exhaust system includes:
Sequentially connected first exhaust outlet (31), exhaust blower (32), heat-exchange device and the second exhaust outlet (34)；
The heat-exchange device respectively includes the air intake passage (23) and Multicarity window profile of Multicarity window profile composition
The air exhaust passage (33) of composition, air intake passage (23) connect with filter screen (22) and air inlet fan (24) respectively, air exhaust passage
(33) it is connect respectively with exhaust blower (32) and the second exhaust outlet (34), the air intake passage (23) and air exhaust passage (33) interlock
Setting.
Further,
First air inlet is set to the outside of clearing window, and second air inlet is set to the inside of clearing window；Institute
The outside that the first exhaust outlet is set to clearing window is stated, second exhaust outlet is set to the inside of clearing window.
Further,
The intelligent fresh air clearing window includes window frame, the filter screen, heat-exchange device and air inlet fan from high to low according to
The secondary inside for being set to window frame is fixedly connected with window frame, and first air inlet is set to the side of filter screen, described second into
Air port is set to the side of air inlet fan.
Further,
The intelligent fresh air clearing window includes window frame, first exhaust outlet, exhaust blower, heat-exchange device and second row
Inlet horizontal is set in the middle part of window frame, and the exhaust blower, heat-exchange device are set to esconson and are fixedly connected with window frame, the
One exhaust outlet is set to the outside of window frame, and the second exhaust outlet is set to the inside of window frame.
Further,
First exhaust outlet is provided with intelligent elevated sealing door device, and the sealing door device includes gear and and tooth
Take turns the rack-plate of engagement, for stationary rack and the fixed frame being fixedly connected with window frame, the overhead door with motor integral setting, institute
Overhead door is stated to be set at the first exhaust outlet for closing the first exhaust outlet；
When air inlet fan and exhaust blower work, motor powered gear is rotated forward, and gear starts to be located at rack-plate
Displacement on upper carry out vertical direction drives motor and hermatic door to be displaced, makes first row during gear displacement
Expose in air port；
When air inlet fan and exhaust blower stop working, motor powered gear is rotated backward, and gear starts to be located at tooth
The displacement on vertical direction is carried out on batten, drives motor and hermatic door to be displaced during gear displacement, makes the
The closing of one exhaust outlet.
Further,
The heat-exchange device is whole in cuboid shape, using Total heat exchange paper wood matter.
Further,
The intelligent fresh air clearing window further includes intelligence system, and the intelligence system includes being fixedly installed with the window frame
Pm2.5 sensor, HCHO sensor, CO2 sensor, TVOC air quality sensor, long-range control TFT display screen and place
Manage device.
Technical solutions of the utility model have the advantages that
1. intelligent fresh air clearing window provided by the utility model outdoor air can be carried out purification and with indoor sky
Gas swaps, and achievees the purpose that purify the air of a room, and air flow direction outdoor indoors, outdoor air flow to interior
When heat exchange is carried out by heat-exchange device respectively, influence the temperature of outdoor air by the temperature of indoor air,
And then be raised and lowered and the temperature of indoor air flowed to by outdoor so that the outdoor temperature for flowing to indoor air with it is indoor
Temperature is more approximate, and then reduces the operating power of heating indoor or refrigerating plant, plays the role of energy-efficient.
2. can be detected to the content of indoor temperature, humidity and PM2.5 by intelligent display system, and pass through
Display is shown, indoor personnel is facilitated to watch, and playing enables indoor staff to grasp Indoor Temperature in time
The purpose of the content of degree, humidity and PM2.5.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the front view of intelligent fresh air clearing window；
Fig. 2 is the rearview of intelligent fresh air clearing window；
Fig. 3 is the schematic diagram of internal structure of intelligent fresh air clearing window；
Fig. 4 is the structural schematic diagram of intelligent display system.
1, window frame；21, the first air inlet；22, filter screen；23, air intake passage；24, air inlet fan；25, the second air inlet；
31, the first exhaust outlet；32, exhaust blower；33, air exhaust passage；34, the second exhaust outlet；41, display；51, instrument bezel；52, it closes
Page；53, handle.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.In addition, following institute
Technical characteristic involved in the utility model different embodiments of description as long as they do not conflict with each other can phase
Mutually combine.
A kind of intelligent fresh air clearing window thickeies the window frame 1 of window sectional material, window frame 1 including widening as depicted in figs. 1 and 2
Cavity includes air inlet system and exhaust system.Outdoor fresh air enters interior by air inlet system, indoor dirty empty
Gas is discharged to outdoor by exhaust system.By introducing indoor by fresh air and foul atmosphere being discharged to outdoor, indoor sky is realized
Gas purification, and then achieve the purpose that purify the air of a room.
Air inlet system includes sequentially connected first air inlet 21, filter screen 22, heat-exchange device, air inlet fan 24 and
Two air inlets 25, wherein the first air inlet 21, filter screen 22, heat-exchange device, air inlet fan 24 and the second air inlet 25 are two-by-two
Between connected by pipeline, outdoor pure and fresh cold air or hot-air enter interior by air inlet system, in air inlet fan 24
Under drive, then outdoor pure and fresh cold air or hot-air are filtered to filter screen 22 by the first air inlet 21, pass through heat
The air intake passage 23 of switch successively reaches motor and the second air inlet 25, makes outdoor air by filtering and warp
Enter interior after crossing heat-exchange device.
Exhaust system includes sequentially connected first exhaust outlet 31, exhaust blower 32, heat-exchange device and the second exhaust outlet
34, the first exhaust outlet 31, exhaust blower 32, heat-exchange device and the second exhaust outlet 34 are connected by pipeline between any two, indoor
Dirty cold air or hot-air is expelled to outdoor by exhaust system, under the drive of exhaust blower 32, the cold sky of foul indoor
Gas or hot-air pass through after the second exhaust outlet 34 to the air exhaust passage 33 of heat-exchange device, exhaust blower 32 and the first exhaust outlet 31
To outdoor.
Wherein heat-exchange device respectively includes air intake passage 23 and air exhaust passage 33, air intake passage 23 respectively with filter screen 22
And the connection of air inlet fan 24, air exhaust passage 33 are connect with exhaust blower 32 and the second exhaust outlet 34 respectively, the air intake passage 23
It closely connects and is staggered with air exhaust passage 33.Since air intake passage 23 and air exhaust passage 33 are staggered, so that air inlet is logical
Road 23 and air exhaust passage 33 easily realize heat transmitting.Foul atmosphere i.e. in air exhaust passage 33 has certain temperature, and its
Temperature is suitable with indoor temperature, so the temperature of air exhaust passage 33 also can be suitable with the temperature of the air of indoor discharge, due to
Air intake passage 23 and air exhaust passage 33 are closely connected and are staggered, so the temperature of air intake passage 23 will receive air exhaust passage 33
Temperature influence, will do it the transmitting of heat, so that the temperature close of air intake passage 23 and air exhaust passage 33, due to the sky of outdoor
Gas enters interior by air intake passage 23, so air intake passage 23 and the outdoor air come in also will do it the transmitting of heat,
And then when outdoor air and indoor air are flow at heat-exchange device respectively, so that outdoor air and indoor air
Heat exchange is indirectly carried out, so that outdoor air absorbs heat or releases heat, so that indoor heating device or refrigeration
Device can reduce operating power.
In one embodiment, the first air inlet 21 is set to the outside of clearing window, and the second air inlet 25 is set to purification
The inside of window；First exhaust outlet 31 is set to the outside of clearing window, and the second exhaust outlet 34 is set to the inside of clearing window.
In one embodiment, intelligent fresh air clearing window includes window frame 1, filter screen 22, heat-exchange device and air inlet fan
24 inside for being set in turn in window frame 1 from high to low are fixedly connected with window frame 1, and the first air inlet 21 is set to the one of filter screen 22
Side, the second air inlet 25 are set to the side of air inlet fan 24.Window frame 1 is hingedly provided with instrument bezel 51, instrument bezel by hinge 52
It is fixedly installed with glass on 51, and is provided with handle 53 on instrument bezel, so that user is conveniently passed through handle 53 and controls glass
The rotation of frame.It is provided in the second air inlet 25 for adjusting the conversion page for entering to indoor air flows direction.
In one embodiment, intelligent fresh air clearing window includes window frame 1, the first exhaust outlet 31, exhaust blower 32, heat exchange dress
It sets and the second exhaust outlet 34 is horizontally placed on 1 middle part of window frame, exhaust blower 32, heat-exchange device are set to 1 inside of window frame and window
Frame 1 is fixedly connected, and the first exhaust outlet 31 is set to the outside of window frame 1, and the second exhaust outlet 34 is set to the inside of window frame 1.
Heat-exchange device is whole, and using material, heat-exchange device is easily installed in a rectangular parallelepiped shape in cuboid shape, and heat
Switch is that the Total heat exchange paper wood matter of specially treated has higher pyroconductivity, and the heat for improving heat-exchange device returns
It produces effects rate.
First exhaust outlet 31 is provided with intelligent elevated sealing door device, and the sealing door device includes gear and and gear
The rack-plate of engagement, for stationary rack and the fixed frame being fixedly connected with window frame 1, the overhead door with motor integral setting, institute
Overhead door is stated to be set at the first exhaust outlet 31 for closing the first exhaust outlet 31；When air inlet fan 24 and exhaust blower 32 work
When, motor powered gear is rotated forward, and gear starts to be located at the displacement carried out on vertical direction on rack-plate, in gear position
It drives motor and hermatic door to be displaced during shifting, exposes the first exhaust outlet 31；When air inlet fan 24 and exhaust blower
32 when stopping working, and motor powered gear is rotated backward, and gear starts to be located at the position carried out on vertical direction on rack-plate
It moves, drives motor and hermatic door to be displaced during gear displacement, close the first exhaust outlet 31.
Intelligent elevated sealing door device can effectively avoid into be not closed completely when, air draft indoor energy loss and outdoor dust into
Enter interior, energy conservation and environmental protection.
Intelligent fresh air clearing window further includes intelligence system, its as shown in Figure 4 structural schematic diagram, intelligence system include with it is described
The pm2.5 sensor of the fixed setting of window frame 1, HCHO sensor, CO2 sensor, TVOC air quality sensor, long-range control
TFT display screen 41 and processor.Pm2.5 sensor, HCHO sensor, CO2 sensor and TVOC air can wherein be passed through
The round-the-clock detection indoor air quality of mass sensor is simultaneously shown by remotely control TFT display screen 41.When pm2.5 is sensed
Device, HCHO sensor, CO2 sensor and TVOC air quality sensor it is any in one detect that room air pollution is super
TFT display screen 41 is shown at once when mark, and processor controls air inlet fan (24) respectively at this time and exhaust blower (32) works, into
Wind system and exhaust system work respectively.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (7)
1. a kind of intelligent fresh air clearing window, which is characterized in that the chamber including widening the window frame (1) for thickening window sectional material, window frame (1)
Body includes air inlet system and exhaust system；
The air inlet system includes:
Sequentially connected first air inlet (21), filter screen (22), heat-exchange device, air inlet fan (24) and the second air inlet
(25)；
The exhaust system includes:
Sequentially connected first exhaust outlet (31), exhaust blower (32), heat-exchange device and the second exhaust outlet (34)；
The heat-exchange device respectively includes the air intake passage (23) of Multicarity window profile composition and Multicarity window profile is constituted
Air exhaust passage (33), air intake passage (23) connect with filter screen (22) and air inlet fan (24) respectively, air exhaust passage (33) point
It is not connect with exhaust blower (32) and the second exhaust outlet (34), the air intake passage (23) and air exhaust passage (33) are staggered.
2. intelligent fresh air clearing window according to claim 1, which is characterized in that
First air inlet (21) is set to the outside of clearing window, and second air inlet (25) is set to the interior of clearing window
Side；First exhaust outlet (31) is set to the outside of clearing window, and second exhaust outlet (34) is set to the inside of clearing window.
3. intelligent fresh air clearing window according to claim 2, which is characterized in that
The intelligent fresh air clearing window includes window frame (1), and the filter screen (22), heat-exchange device and air inlet fan (24) are by height
It is fixedly connected to the low inside for being set in turn in window frame (1) with window frame (1), first air inlet (21) is set to filter screen
(22) side, second air inlet (25) are set to the side of air inlet fan (24).
4. intelligent fresh air clearing window according to claim 2, which is characterized in that
The intelligent fresh air clearing window includes window frame (1), first exhaust outlet (31), exhaust blower (32), heat-exchange device with
And second exhaust outlet (34) be horizontally placed in the middle part of window frame (1), the exhaust blower (32), heat-exchange device are set to window frame
(1) internal to be fixedly connected with window frame (1), the first exhaust outlet (31) is set to the outside of window frame (1), the second exhaust outlet (34) setting
In the inside of window frame (1).
5. intelligent fresh air clearing window according to claim 1, which is characterized in that
First exhaust outlet (31) is provided with intelligent elevated sealing door device, and the sealing door device includes gear and and tooth
Take turns the rack-plate of engagement, for stationary rack and the fixed frame being fixedly connected with window frame (1), the lifting with motor integral setting
Door, the overhead door are set at the first exhaust outlet (31) for closing the first exhaust outlet (31)；
When air inlet fan (24) and exhaust blower (32) work, motor powered gear is rotated forward, and gear starts to be located at tooth
The displacement on vertical direction is carried out on batten, drives motor and hermatic door to be displaced during gear displacement, makes the
One exhaust outlet (31) exposes；
When air inlet fan (24) and exhaust blower (32) stop working, motor powered gear is rotated backward, gear start bit
In carrying out the displacement on vertical direction on rack-plate, motor and hermatic door is driven to be displaced during gear displacement,
Close the first exhaust outlet (31).
6. intelligent fresh air clearing window according to claim 1, which is characterized in that
The heat-exchange device is whole in cuboid shape, using Total heat exchange paper wood matter.
7. intelligent fresh air clearing window according to claim 1, which is characterized in that
The intelligent fresh air clearing window further includes intelligence system, and the intelligence system includes being fixedly installed with the window frame (1)
Pm2.5 sensor, HCHO sensor, CO2 sensor, TVOC air quality sensor, long-range control TFT display screen (41) with
And processor, the round-the-clock detection indoor air quality of pm2.5, HCHO, CO2, TVOC air quality sensor work as detection
TFT display screen (41) is shown at once when exceeded to room air pollution, and intelligence system starts at the first time into, exhaust Air Cleaning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035474.XU CN208518565U (en) | 2018-07-02 | 2018-07-02 | Intelligent fresh air clearing window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821035474.XU CN208518565U (en) | 2018-07-02 | 2018-07-02 | Intelligent fresh air clearing window |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518565U true CN208518565U (en) | 2019-02-19 |
Family
ID=65337387
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821035474.XU Expired - Fee Related CN208518565U (en) | 2018-07-02 | 2018-07-02 | Intelligent fresh air clearing window |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118414A (en) * | 2019-06-11 | 2019-08-13 | 青岛海尔空调器有限总公司 | Smart window |
| CN110725637A (en) * | 2019-11-10 | 2020-01-24 | 苏州新旭元生态科技有限公司 | Household monitoring control platform based on intelligent window equipment |
| CN110836074A (en) * | 2019-11-10 | 2020-02-25 | 苏州新旭元生态科技有限公司 | Intelligent control window based on intelligent house |
| CN112710037A (en) * | 2020-12-31 | 2021-04-27 | 哈尔滨工业大学建筑设计研究院 | Implicit heating ventilation window based on Bernoulli effect |
| CN112761500A (en) * | 2021-01-22 | 2021-05-07 | 南京武家嘴门窗装饰有限公司 | Intelligent dimming fresh air security system integrated door and window |
| CN112878883A (en) * | 2021-02-07 | 2021-06-01 | 杨启航 | Energy-conserving smart door and window with indoor environment monitor function |
-
2018
- 2018-07-02 CN CN201821035474.XU patent/CN208518565U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118414A (en) * | 2019-06-11 | 2019-08-13 | 青岛海尔空调器有限总公司 | Smart window |
| CN110725637A (en) * | 2019-11-10 | 2020-01-24 | 苏州新旭元生态科技有限公司 | Household monitoring control platform based on intelligent window equipment |
| CN110836074A (en) * | 2019-11-10 | 2020-02-25 | 苏州新旭元生态科技有限公司 | Intelligent control window based on intelligent house |
| CN112710037A (en) * | 2020-12-31 | 2021-04-27 | 哈尔滨工业大学建筑设计研究院 | Implicit heating ventilation window based on Bernoulli effect |
| CN112761500A (en) * | 2021-01-22 | 2021-05-07 | 南京武家嘴门窗装饰有限公司 | Intelligent dimming fresh air security system integrated door and window |
| CN112878883A (en) * | 2021-02-07 | 2021-06-01 | 杨启航 | Energy-conserving smart door and window with indoor environment monitor function |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190219 |