CN110924822A - Intelligence window with purification performance takes a breath - Google Patents
Intelligence window with purification performance takes a breath Download PDFInfo
- Publication number
- CN110924822A CN110924822A CN201911190264.7A CN201911190264A CN110924822A CN 110924822 A CN110924822 A CN 110924822A CN 201911190264 A CN201911190264 A CN 201911190264A CN 110924822 A CN110924822 A CN 110924822A
- Authority
- CN
- China
- Prior art keywords
- glass
- window frame
- window
- ventilation
- filter screen
- 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.)
- Pending
Links
- 238000000746 purification Methods 0.000 title claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 47
- 238000009423 ventilation Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000004984 smart glass Substances 0.000 claims 9
- 239000000428 dust Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/52—Devices affording protection against insects, e.g. fly screens; Mesh windows for other purposes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Insects & Arthropods (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Veterinary Medicine (AREA)
- Pest Control & Pesticides (AREA)
- Architecture (AREA)
- Power Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Ventilation (AREA)
Abstract
The invention discloses an intelligent window with a ventilation and purification function, which comprises a window frame, a first glass, a second glass, a processor, a controller, a timer and a driving mechanism, wherein the first glass and the second glass are positioned on the window frame; the driving mechanism is suitable for driving the first glass and the second glass which are positioned on the window frame to move back and forth along the window frame; the timer is adapted to send a timing signal to the processor; the processor is suitable for controlling the controller to control the driving mechanism to drive the first glass and the second glass to move back and forth along the window frame according to the timing signal so as to open or close the window at regular time; the solar energy air purifier is timed by the timer, can realize timed air exchange treatment, is good in environmental protection property by providing electric energy through the solar cell panel, and meanwhile, when air exchange is realized, the first filter screen can filter dust in air, and the ultraviolet lamp sterilizes the air to purify the air.
Description
Technical Field
The invention relates to the technical field of intelligent windows, in particular to an intelligent window with a ventilation and purification function.
Background
At present, along with the rapid development of economy in China, the intelligent window is gradually popularized, the intelligent window is divided into an enclosure member or a partition member according to different positions, and the intelligent window has different design requirements and has the functions of heat preservation, heat insulation, sound insulation, water resistance, fire resistance and the like.
But the intelligent window structure on the existing market is comparatively complicated, and the cost is higher, among the current intelligent window technique, can not carry out indoor outer taking a breath automatically, take a breath and need the manual work to operate, and when taking a breath, harmful substance such as the dust in the outside air can not filter, leads to the ventilation effect relatively poor, and it is comparatively inconvenient to use.
Based on the above, the invention designs an intelligent window with ventilation and purification functions to solve the above mentioned problems.
Disclosure of Invention
The invention aims to provide an intelligent window with a ventilation and purification function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an intelligence window with purification performance takes a breath, includes: the glass window comprises a window frame, a first glass and a second glass which are positioned on the window frame, a processor, a controller, a timer and a driving mechanism; the driving mechanism is suitable for driving the first glass and the second glass which are positioned on the window frame to move back and forth along the window frame; the timer is adapted to send a timing signal to the processor; and the processor is suitable for controlling the controller to control the driving mechanism to drive the first glass and the second glass to move back and forth along the window frame according to the timing signal so as to open or close the window at regular time.
Furthermore, the bottom of the outer side of the window frame is provided with a sliding chute; the drive mechanism includes: the micro servo motor is positioned at the end part of the sliding chute; the micro servo motor is connected with a screw rod; the two ends of the screw rod are opposite in rotating direction, and the screw rod is rotatably connected with the inner wall of the sliding chute; a first sliding block and a second sliding block are respectively screwed on two sides of the screw rod; the outer side of the top of the first sliding block is fixedly connected with first glass; and a second glass is fixedly connected to the inner side of the top of the second sliding block.
Further, a first filter screen is arranged on the inner side of the second glass, and the first filter screen is fixedly connected with the window frame; the inner top wall of the window frame is provided with an ultraviolet lamp; a fan is arranged on the inner side of the window frame; a second filter screen is arranged on the inner side of the fan; the timer is positioned on the outer wall of the inner side of the window frame; and a solar cell panel is arranged on the outer wall of the outer side of the window frame.
Further, first filter screen is the HEPA filter screen, the second filter screen is the gauze.
Furthermore, the solar cell panel, the timer, the processor, the controller, the ultraviolet lamp, the fan and the micro servo motor are electrically connected.
Furthermore, a first contact switch is installed on the first sliding block, a second contact switch is installed on the second sliding block, and the second contact switch corresponds to the first contact switch.
Further, the first contact switch and the second contact switch are in control connection with the micro servo motor.
Furthermore, four groups of fans are arranged, and the four groups of fans are respectively installed at four corners of the window frame.
Further, two groups of ultraviolet lamps are arranged.
Further, the window frame is made of an aluminum alloy material.
Compared with the prior art, the invention has the beneficial effects that: the solar energy air interchanger is timed by the timer, can realize timed air interchanging treatment, is good in environmental protection property by providing electric energy through the solar cell panel, and meanwhile, when the air interchanger is used, the first filter screen can filter dust in the air, the ultraviolet lamp sterilizes the air and purifies the air, so that the solar energy air interchanger is very convenient to use and has high popularization value.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic side view cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the chute of the present invention.
Wherein:
the device comprises a window frame 1, a timer 2, a second filter screen 3, a fan 4, a processor 5, a controller 6, a first filter screen 7, an ultraviolet lamp 8, second glass 9, first glass 10, a solar cell panel 11, a chute 12, a screw rod 13, a micro servo motor 14, a first sliding block 15, a first contact switch 16, a second contact switch 17 and a second sliding block 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 2, embodiment 1 provides an intelligent window with ventilation and purification functions, including: the window comprises a window frame 1, a first glass 10 and a second glass 9 which are positioned on the window frame 1, a processor, a controller, a timer 2 and a driving mechanism; the driving mechanism is suitable for driving the first glass 10 and the second glass 9 on the window frame 1 to move back and forth along the window frame 1; the timer 2 is adapted to send a timing signal to the processor 5; and the processor 5 is suitable for controlling the controller 6 to control the driving mechanism to drive the first glass 10 and the second glass 9 to move back and forth along the window frame 1 according to the timing signal so as to open or close the window at regular time.
Further, the bottom of the outer side of the window frame 1 is provided with a sliding groove 12, and the driving mechanism comprises: a micro servo motor 14 positioned at the end part of the chute 12, a screw rod 13 connected on the micro servo motor 14, two ends of the screw rod 13 are opposite in rotation direction, so that a first slide block 15 and a second slide block 18 can move along opposite directions, the screw rod 13 is rotatably connected with the inner wall of the chute 12 through a bearing, a first slide block 15 and a second slide block 18 are respectively screwed at two sides of the screw rod 13, the first slide block 15 and the second slide block 18 slide in the chute 12, a first glass 10 is fixedly connected at the outer side of the top part of the first slide block 15, a second glass 9 is fixedly connected at the inner side of the top part of the second slide block 18, the first glass 10 and the second glass 9 are both in sliding connection with the window frame 1, so that the window can be opened and closed, a first filter screen 7 is arranged at the inner side of the second glass 9, so that dust in the air can be filtered, the first filter screen 7 is fixedly connected, can play the effect of disinfecting to the air, treater 5 and controller 6 are installed to the bottom wall in the window frame 1, and fan 4 is installed to window frame 1 inboard, and second filter screen 3 is installed to fan 4 inboard, installs timer 2 on the inboard outer wall of window frame 1, installs solar cell panel 11 on the 1 outside outer wall of window frame, can absorb solar energy conversion and provide the electric energy for the operation of device.
The first filter screen 7 is an HEPA filter screen which has a good dust filtering effect on air, and the second filter screen 3 is a gauze screen which is convenient for cleaning the second filter screen 3; the solar cell panel 11, the timer 2, the processor 5, the controller 6, the ultraviolet lamp 8, the fan 4 and the micro servo motor 14 are electrically connected; a first contact switch 16 is arranged on the first sliding block 15, a second contact switch 17 is arranged on the second sliding block 18, the second contact switch 17 corresponds to the first contact switch 16, the first contact switch 16 and the second contact switch 17 are in control connection with the micro servo motor 14, and when the first contact switch 16 is in contact with the second contact switch 17, the micro servo motor 14 stops working; the fans 4 are provided with four groups, the four groups of fans 4 are respectively arranged at four corners of the window frame 1, and the air exchange effect is good; the ultraviolet lamps 8 are arranged in two groups, so that the sterilizing effect on air is good; the window frame 1 is made of aluminum alloy materials, so that the weight is light and the installation is convenient.
The specific working principle is as follows:
when the window frame is used, the window frame 1 is installed at a window of a room, the time of ventilation is set through the timer 2, when the timer 2 reaches the set time, the timer 2 sends a signal to the processor 5, the processor 5 processes the signal, the controller 6 controls the ultraviolet lamp 8, the fan 4 and the micro servo motor 14 to start, the micro servo motor 14 drives the screw rod 13 to rotate, the first sliding block 15 and the second sliding block 18 move along the screw rod 13 in opposite directions, the first sliding block 15 and the second sliding block 18 respectively drive the first glass 10 and the second glass 9 to move together, the window is opened, when the first contact switch 16 and the second contact switch 17 are contacted, the micro servo motor 14 stops working, at the moment, the first glass 10 and the second glass 9 are overlapped, the window is completely opened, under the action of the fan 4, outside air flows to the room, and when the air passes through the first filter screen 7, first filter screen 7 can filter the dust, ultraviolet lamp 8 disinfects the air, the air admission after the purification is indoor, take a breath, time when in timer 2 surpasss the time that sets up after, treater 5 controls miniature servo motor 14 through controller 6 and starts, control ultraviolet lamp 8 and fan 4 simultaneously and close, miniature servo motor 14 drives the reversal of lead screw 13, first slider 15 and second slider 18 drive first glass 10 and second glass 9 respectively to the both sides motion, the window is closed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides an intelligence window with purification performance takes a breath, its characterized in that includes:
the glass window comprises a window frame, a first glass and a second glass which are positioned on the window frame, a processor, a controller, a timer and a driving mechanism;
the driving mechanism is suitable for driving the first glass and the second glass which are positioned on the window frame to move back and forth along the window frame;
the timer is adapted to send a timing signal to the processor; and
the processor is suitable for controlling the controller to control the driving mechanism to drive the first glass and the second glass to move back and forth along the window frame according to the timing signal so as to open or close the window at regular time.
2. The smart window with ventilation and purification functions as claimed in claim 1,
the bottom of the outer side of the window frame is provided with a sliding chute;
the drive mechanism includes: the micro servo motor is positioned at the end part of the sliding chute;
the micro servo motor is connected with a screw rod;
the two ends of the screw rod are opposite in rotating direction, and the screw rod is rotatably connected with the inner wall of the sliding chute;
a first sliding block and a second sliding block are respectively screwed on two sides of the screw rod;
the outer side of the top of the first sliding block is fixedly connected with first glass;
and the inner side of the top of the second sliding block is fixedly connected with second glass.
3. The smart window with ventilation and purification functions as claimed in claim 2,
a first filter screen is arranged on the inner side of the second glass, and the first filter screen is fixedly connected with the window frame;
the inner top wall of the window frame is provided with an ultraviolet lamp;
a fan is arranged on the inner side of the window frame;
a second filter screen is arranged on the inner side of the fan;
the timer is positioned on the outer wall of the inner side of the window frame; and
and a solar cell panel is arranged on the outer wall of the outer side of the window frame.
4. The smart window with ventilation and purification functions as claimed in claim 3,
the first filter screen is the HEPA filter screen, the second filter screen is the gauze.
5. The smart window with ventilation and purification functions as claimed in claim 4,
the solar cell panel, the timer, the processor, the controller, the ultraviolet lamp, the fan and the micro servo motor are electrically connected.
6. The smart window with ventilation and purification functions as claimed in claim 5,
the first slider is provided with a first contact switch, the second slider is provided with a second contact switch, and the second contact switch corresponds to the first contact switch.
7. The smart window with ventilation and purification functions as claimed in claim 6,
the first contact switch and the second contact switch are connected with the micro servo motor in a control mode.
8. The smart window with ventilation and purification functions as claimed in claim 7,
the fan is equipped with four groups, four groups the fan is installed respectively in window frame four corners department.
9. The smart window with ventilation and purification functions as claimed in claim 8,
the ultraviolet lamps are provided with two groups.
10. The smart window with ventilation and purification functions as claimed in claim 9,
the window frame is made of aluminum alloy materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911190264.7A CN110924822A (en) | 2019-11-28 | 2019-11-28 | Intelligence window with purification performance takes a breath |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911190264.7A CN110924822A (en) | 2019-11-28 | 2019-11-28 | Intelligence window with purification performance takes a breath |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110924822A true CN110924822A (en) | 2020-03-27 |
Family
ID=69847408
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911190264.7A Pending CN110924822A (en) | 2019-11-28 | 2019-11-28 | Intelligence window with purification performance takes a breath |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110924822A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000023488A1 (en) * | 2020-10-06 | 2022-04-06 | Beghelli Spa | ULTRAVIOLET SANITATION DEVICE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20114720U1 (en) * | 2001-09-05 | 2002-01-10 | Enbema Entwicklung Beratung Ma | Window or French window with a casement and a frame |
CN104482600A (en) * | 2014-11-21 | 2015-04-01 | 宁波宝瑞玛电器科技有限公司 | Air purifier installed on sliding window |
CN206465749U (en) * | 2017-02-22 | 2017-09-05 | 重庆鑫泉机械有限公司 | Bus door |
CN208106252U (en) * | 2018-02-09 | 2018-11-16 | 柴迪枫 | A kind of domestic air purification window |
-
2019
- 2019-11-28 CN CN201911190264.7A patent/CN110924822A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20114720U1 (en) * | 2001-09-05 | 2002-01-10 | Enbema Entwicklung Beratung Ma | Window or French window with a casement and a frame |
CN104482600A (en) * | 2014-11-21 | 2015-04-01 | 宁波宝瑞玛电器科技有限公司 | Air purifier installed on sliding window |
CN206465749U (en) * | 2017-02-22 | 2017-09-05 | 重庆鑫泉机械有限公司 | Bus door |
CN208106252U (en) * | 2018-02-09 | 2018-11-16 | 柴迪枫 | A kind of domestic air purification window |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202000023488A1 (en) * | 2020-10-06 | 2022-04-06 | Beghelli Spa | ULTRAVIOLET SANITATION DEVICE |
WO2022074688A1 (en) * | 2020-10-06 | 2022-04-14 | Beghelli S.P.A. | Uv-ray sanitizing device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104676765B (en) | There is the indoor air cleaner of indoor and outdoor ventilatory | |
US11204183B2 (en) | Ventilator with dual flow passages | |
CN105333601A (en) | Total heat exchanger | |
CN204536755U (en) | Based on the intelligent domestic system of Internet of Things | |
CN110924822A (en) | Intelligence window with purification performance takes a breath | |
CN219955548U (en) | Energy-saving ventilation device | |
CN209687323U (en) | A kind of Multifunction ventilated sound proof window | |
CN207540076U (en) | A kind of window purifier | |
CN204418449U (en) | A kind of solar energy photovoltaic glass curtain wall | |
CN110905338A (en) | Room ventilation purification method | |
CN209228280U (en) | A kind of door and window with ventilation parameters function | |
CN109914980A (en) | A kind of door and window with intelligent switch | |
CN203605351U (en) | Indoor air change and purification all-in-one machine | |
CN206397389U (en) | A kind of air purifying windows | |
CN206987678U (en) | A kind of hospital ward air purifying windows | |
CN204693670U (en) | A kind of indoor new wind air purifier with wind regime switching mechanism | |
CN207526377U (en) | A kind of purifier throttle setting | |
CN205351539U (en) | Window formula indoor air purification machine | |
CN112412262A (en) | Intelligence house purifies window | |
CN108286769A (en) | A kind of interior sound-proof ventilation unit | |
CN2844747Y (en) | Automatic cleaning mechanism of air-purifying exchanger | |
CN207179912U (en) | Skyscraper broken-bridge aluminum alloy window intelligently filters air interchanger | |
CN106322540A (en) | An indoor and outdoor dual-mode air purifying system with a sliding door | |
CN207555784U (en) | A kind of wall-hanging air purifier shell with auto-switch function | |
CN207110152U (en) | Double-layer curtain wall cavity energy-saving ventilating device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200327 |