CN108843203B - Unpowered automatic temperature regulating glass window - Google Patents
Unpowered automatic temperature regulating glass window Download PDFInfo
- Publication number
- CN108843203B CN108843203B CN201810975919.0A CN201810975919A CN108843203B CN 108843203 B CN108843203 B CN 108843203B CN 201810975919 A CN201810975919 A CN 201810975919A CN 108843203 B CN108843203 B CN 108843203B
- Authority
- CN
- China
- Prior art keywords
- box
- air inlet
- sliding block
- inlet channel
- air
- 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
Links
- 239000011521 glass Substances 0.000 title claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 title claims description 12
- 239000002356 single layer Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 8
- 230000030279 gene silencing Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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
-
- 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
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/10—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses by special construction of the frame members
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention discloses an unpowered automatic temperature-regulating glass window which comprises a window body, wherein the window body consists of a lower window frame, an upper window frame, double-layer glass and single-layer glass, an air inlet channel is formed in the upper window frame, a sliding groove is formed in the middle of the bottom surface of the air inlet channel, a sliding block is arranged in the sliding groove in a sliding manner, a curved air port is formed in the sliding block, a valve box is fixedly arranged on one side surface of the upper window frame at the position of the air inlet channel through a screw, and a side frame box is arranged on the outer side surface of the valve box. In winter, the pull rod is pulled out to make the sliding block fit with the inner side wall of the sliding groove. At this moment, cold air enters the window body through the air inlet, the cold air can be circularly heated in the double-layer glass interlayer by utilizing indoor waste energy and solar energy, and then is discharged through the air outlet, so that the circulation of indoor air can be ensured, the problem that the indoor temperature is reduced by external cold air can be avoided, other power sources are not needed, and the indoor heat loss can be avoided.
Description
Technical Field
The invention relates to the technical field of windows, in particular to an unpowered automatic temperature regulating glass window.
Background
The window is a living tool which is most commonly used in daily life of people, is widely used in the households of people, plays various roles of protecting houses, adjusting air temperature and the like, and has single function and can not adjust indoor temperature. The existing temperature-regulating windows all need refrigeration or heating equipment, so that the energy consumption is high when the temperature needs to be regulated for refrigeration or heating, and in addition, the heat preservation and insulation effects of the existing greenhouse are poor, so that unnecessary heat loss is caused.
Disclosure of Invention
The invention aims to provide an unpowered automatic temperature regulating glass window.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the unpowered automatic temperature-regulating glass window comprises a window body, wherein the window body consists of a lower window frame, an upper window frame, double-layer glass and single-layer glass, the double-layer glass is fixedly arranged at one end between the lower window frame and the upper window frame, the single-layer glass is fixedly arranged at the other end between the lower window frame and the upper window frame, an air inlet channel is arranged in the upper window frame, two ends of the air inlet channel are respectively communicated with two side end surfaces of the upper window frame, an air inlet is arranged on the bottom surface of the upper window frame, which is close to one end of the single-layer glass, the air inlet is communicated with the air inlet channel, a sliding groove is arranged in the middle of the bottom surface of the inner part of the air inlet channel, the length of the sliding groove is equal to the width of the air inlet channel, a curved air port is arranged in the sliding groove, one end opening of the curved air port is communicated with the upper end of one side surface of the sliding block, the other end opening of the curved air port is communicated with the lower end of the other side surface of the sliding block, the sliding block is fixedly provided with pull rods at two side ends of one side surface of the opening position of the lower end of the curved air port, the valve box is fixedly arranged on one side surface of the upper window frame at the position of the air inlet channel through bolts, the side surface of the valve box is provided with a slot along the length direction of the box, the slot is communicated with the air inlet channel, the two side ends of the slot are movably inserted with silencing boxes, the slot is movably inserted with an air channel box between the two groups of silencing boxes, the other ends of the silencing boxes and the air channel box are respectively inserted into the air inlet channel, the bottom surface of the silencing boxes are fixedly provided with a bottom plate, the side surface of the silencing boxes are respectively provided with a rectangular opening, the middle part of the upper surface of the bottom plate is provided with a round hole, the upper surface of the bottom plate is provided with a waist-shaped shielding plate, the middle part of the waist-shaped shielding plate is movably arranged on the upper surface of the bottom plate through a pin shaft, one end of the waist-shaped shielding plate, which is close to the outer surface of the valve box, is fixedly provided with a convex plate with an integral structure, the bulge board is outstanding in rectangular opening, the gas outlet that communicates in the round hole has all been seted up to last window frame lower surface corresponding to the round hole position, the holding tank has been seted up to valve box outside surface, and valve box outside surface is provided with the side frame box, and the side frame box passes through screw fixed mounting in the holding tank, and the air-out notch has been seted up at side frame box outside surface middle part, and the air-out notch communicates in the air channel box, valve notch has all been seted up to side frame box outside surface both sides end, all is provided with the driving lever in the valve notch, the driving lever other end all with bulge board fixed connection, the through-hole has all been seted up at valve notch adjacent one side to side in the side frame box outside surface, the driving lever other end all link up in valve box to the through-hole.
Further, a dust screen is fixedly arranged in the air inlet channel near one end of the single-layer glass,
further, the height of the sliding block is equal to the sum of the height of the air inlet channel and the depth of the sliding groove, and the width of the sliding block is smaller than the width of the sliding groove.
Further, the position of the opening at the lower end of the curved air port corresponds to the side wall of the chute, and the width of the opening at the lower end of the curved air port is smaller than the width of the chute.
Further, a filter film is arranged above the waist-shaped shielding plate in the silencing box.
Compared with the prior art, the invention has the advantages that:
1. in winter, the pull rod is pulled out to make the sliding block fit with the inner side wall of the sliding groove. At the moment, cold air enters the window body through the air inlet, the cold air can be circularly heated in the double-layer glass interlayer by utilizing waste energy and solar energy in the room, and then is discharged through the air outlet, so that the circulation of indoor air can be ensured, and meanwhile, the problem that the indoor temperature is reduced by external cold air can be avoided;
2. the invention can ensure indoor air circulation in any season without other power sources, and can avoid indoor heat loss.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of an unpowered self-regulating glazing according to the present invention;
FIG. 2 is a block diagram of a valve box of an unpowered automatically temperature regulating glass window in accordance with the present invention;
FIG. 3 is a side box block diagram of an unpowered temperature regulating glazing of the present invention;
FIG. 4 is an exploded view of a muffler box of an unpowered automatically temperature regulating glass window of the present invention;
fig. 5 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: 1 lower window frame, 2 upper window frame, 3 double glazing, 4 single glazing, 5 air inlet channel, 6 dust screen, 7 air inlet, 8 chute, 9 slider, 10 curved wind gap, 11 pull rod, 12 air channel box, 13 silencing box, 14 rectangular opening, 15 bottom plate, 16 filter film, 17 round hole, 18 waist type shielding plate, 19 protruding plate, 20 valve box, 21 holding groove, 22 air outlet, 23 side frame box, 24 air outlet notch, 25 valve notch, 26 deflector rod, 27 through-hole.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1, 2, 3, 4 and 5, the present invention provides an unpowered automatic temperature regulating glass window, comprising a window body, the window body is composed of a lower window frame 1, an upper window frame 2, double-layer glass 3 and single-layer glass 4, the double-layer glass 3 is fixedly installed at one end between the lower window frame 1 and the upper window frame 2, the single-layer glass 4 is fixedly installed at the other end between the lower window frame 1 and the upper window frame 2, an air inlet channel 5 is arranged in the upper window frame 2, two ends of the air inlet channel 5 respectively penetrate through two side end surfaces of the upper window frame 2, an air inlet 7 is arranged at one end of the bottom surface of the upper window frame 2 close to the single-layer glass 4, the air inlet 7 is communicated with the air inlet channel 5, a chute 8 is arranged in the middle of the bottom surface of the inside of the air inlet channel 5, the length of the chute 8 is equal to the width of the air inlet channel 5, a slide 9 is arranged in the chute 8, a curved air port 10 is arranged in the slide 9, one end of the curved air port 10 is opened to pass through the upper end of one side surface of the sliding block 9, the other end of the curved air port 10 is opened to pass through the lower end of the other side surface of the sliding block 9, the sliding block 9 is fixedly provided with pull rods 11 at two side ends of one side surface of the opening position of the lower end of the curved air port 10, a valve box 20 is fixedly arranged on one side surface of the upper window frame 2 at the position of the air inlet channel 5 through screws, a slot is formed in the side surface of the valve box 20 along the length direction of the box, the slot is communicated with the air inlet channel 5, a silencing box 13 is movably inserted at two side ends of the slot, an air channel box 12 is movably inserted between the two groups of silencing boxes 13, the silencing box 13 and the other end of the air channel box 12 are inserted into the air inlet channel 5, a bottom plate 15 is fixedly arranged on the bottom surface of the silencing box 13, a rectangular opening 14 is formed in the side surface of the bottom plate 13, a round hole 17 is formed in the middle of the upper surface of the bottom plate 15, a waist-shaped shielding plate 18 is arranged on the upper surface of the bottom plate 15, the middle part of the waist type shielding plate 18 is movably arranged on the upper surface of the bottom plate 15 through a pin shaft, one end of the waist type shielding plate 18, which is close to the outer side surface of the valve box 20, is fixedly provided with a protruding plate 19 of an integrated structure, the protruding plate 19 protrudes out of the rectangular opening 14, the lower surface of the upper window frame 2 is provided with an air outlet 22 communicated with the round hole 17 corresponding to the position of the round hole 17, the outer side surface of the valve box 20 is provided with a containing groove 21, the outer side surface of the valve box 20 is provided with a side frame box 23, the side frame box 23 is fixedly arranged in the containing groove 21 through a screw, the middle part of the outer side surface of the side frame box 23 is provided with an air outlet notch 24, the air outlet notch 24 is communicated with the air channel box 12, both side ends of the outer side surface of the side frame box 23 are provided with valve notches 25, a deflector 26 is arranged in the valve notch 25, the other end of the deflector 26 is fixedly connected with the protruding plate 19, the deflector 26 moves towards both sides, and can change the position of the waist type shielding plate 18, so that the round hole 17 or the round hole 17 can be separated from the round hole 17, the outer side surface of the side frame box 23 is provided with a through hole 27 on one side adjacent side of the valve notch 25, the other end of the side frame box 11 penetrates through the valve box 20 to the valve box 20, and the air inlet 11 can directly enter the air inlet 11 through the air inlet 5.
In this embodiment, the dust screen 6 is fixedly installed at one end, close to the single-layer glass 4, inside the air inlet channel 5, so that large-particle dust outside can be effectively prevented from entering the air inlet channel 5.
In this embodiment, the height of the sliding block 9 is equal to the sum of the height of the air inlet channel 5 and the depth of the chute 8, and the width of the sliding block 9 is smaller than the width of the chute 8, so that the sliding block 9 can have a moving distance in the chute 8.
In this embodiment, the position of the lower opening of the curved tuyere 10 corresponds to the side wall of the chute 8, and the width of the lower opening of the curved tuyere 10 is smaller than the width of the chute 8, when the lower opening of the curved tuyere 10 is attached to the inner side wall of the chute 8, the air inlet channel 5 can be closed, so that the outside air cannot directly enter the room through the air inlet channel 5.
In this embodiment, the filter membrane 16 is disposed inside the silencing box 13 above the waist-shaped louver 18, which improves the cleanliness of air flowing from the silencing box 13.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, the patentees may make various modifications or alterations within the scope of the appended claims, and are intended to be within the scope of the invention as described in the claims.
Claims (3)
1. The utility model provides an unpowered automatic temperature regulating glass window, includes the window body, the window body comprises lower window frame (1), last window frame (2), double glazing (3) and single glazing (4), its characterized in that: the double-layer glass (3) is fixedly arranged at one end between the lower window frame (1) and the upper window frame (2), the single-layer glass (4) is fixedly arranged at the other end between the lower window frame (1) and the upper window frame (2), the air inlet channel (5) is arranged inside the upper window frame (2), two ends of the air inlet channel (5) are respectively communicated with two side end surfaces of the upper window frame (2), the bottom surface of the upper window frame (2) is close to one end of the single-layer glass (4), the air inlet (7) is communicated with the air inlet channel (5), a sliding groove (8) is arranged in the middle of the bottom surface inside the air inlet channel (5), the length of the sliding groove (8) is equal to the width of the air inlet channel (5), a sliding block (9) is arranged in the sliding groove (8), one end opening of the sliding block (9) penetrates through the upper end of one side surface of the sliding block (9), the other end opening of the sliding block (9) is communicated with the lower end of the other side surface of the sliding block (9), the sliding block (9) is arranged at the lower end of the opening of the sliding block (10) at one side of the opening of the sliding block (5), two side surfaces of the sliding block (20) are fixedly arranged on one side of the sliding block (20), the valve box (20) side surface is provided with a slot along the box length direction, slot communication and air inlet channel (5), slot both sides end all activity is inserted and is equipped with amortization box (13), the slot is equipped with air channel box (12) in the activity of two sets of amortization boxes (13) between, amortization box (13) and air channel box (12) other end all insert and establish to in air inlet channel (5), amortization box (13) bottom surface all fixed mounting has bottom plate (15), rectangular opening (14) have all been seted up to amortization box (13) side surface, round hole (17) have been seted up at bottom plate (15) upper surface middle part, bottom plate (15) upper surface is provided with waist type shutter (18), waist type shutter (18) middle part is through round pin axle movable mounting at bottom plate (15) upper surface, waist type shutter (18) are close to valve box (20) outside surface's one end fixed be provided with integrated structure's projected board (19), projected board (19) are in rectangular opening (14), upper surface (2) lower surface corresponds to round hole (17) position and all sets up gas outlet (22) that are linked to round hole (17), valve box (20) side surface is provided with the valve box (21) outside frame (21) side frame (23) through holding screw, the side frame (23) is held in the side of holding box (23), an air outlet notch (24) is formed in the middle of the outer side surface of the side frame box (23), the air outlet notch (24) is communicated with the air channel box (12), valve notches (25) are formed in two side ends of the outer side surface of the side frame box (23), deflector rods (26) are arranged in the valve notches (25), the other ends of the deflector rods (26) are fixedly connected with the protruding plates (19), through holes (27) are formed in the outer side surface of the side frame box (23) on one side adjacent to the valve notches (25), and the other ends of the pull rods (11) are communicated with the valve boxes (20) to the through holes (27);
a dustproof net (6) is fixedly arranged at one end, close to the single-layer glass (4), inside the air inlet channel (5);
the height of the sliding block (9) is equal to the sum of the height of the air inlet channel (5) and the depth of the sliding groove (8), and the width of the sliding block (9) is smaller than the width of the sliding groove (8).
2. An unpowered automatically temperature regulating glazing according to claim 1, wherein: the position of the opening at the lower end of the curved air port (10) corresponds to the side wall of the chute (8), and the width of the opening at the lower end of the curved air port (10) is smaller than the width of the chute (8).
3. An unpowered automatically temperature regulating glazing according to claim 1, wherein: a filter film (16) is arranged above the waist-shaped shielding plate (18) in the silencing box (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810975919.0A CN108843203B (en) | 2018-08-24 | 2018-08-24 | Unpowered automatic temperature regulating glass window |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810975919.0A CN108843203B (en) | 2018-08-24 | 2018-08-24 | Unpowered automatic temperature regulating glass window |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108843203A CN108843203A (en) | 2018-11-20 |
CN108843203B true CN108843203B (en) | 2023-11-28 |
Family
ID=64189476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810975919.0A Active CN108843203B (en) | 2018-08-24 | 2018-08-24 | Unpowered automatic temperature regulating glass window |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108843203B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19510200A1 (en) * | 1995-03-21 | 1996-09-26 | Volker Prof Dingeldein | Building rooms air conditioning installation using solar energy |
JP2007100437A (en) * | 2005-10-06 | 2007-04-19 | Ohbayashi Corp | Double window ventilation system |
KR20080010524A (en) * | 2006-07-27 | 2008-01-31 | 주식회사 힘센에스코 | Double window |
CN102518373A (en) * | 2011-12-19 | 2012-06-27 | 湖南科技大学 | Energy-saving window with vacuum layer combined with convection layer and installation and use method of energy-saving window |
DE102013100629A1 (en) * | 2013-01-08 | 2014-07-24 | Martin Lacher | Window assembly installed in hotel, has space formed between window sash and stem, and between window frame and stem |
KR20140128505A (en) * | 2013-04-26 | 2014-11-06 | 김광혁 | Air purification, heat insulation composite windows and doors |
KR101811016B1 (en) * | 2017-02-24 | 2017-12-20 | 코오롱글로벌 주식회사 | Window system |
CN209838167U (en) * | 2018-08-24 | 2019-12-24 | 李钢 | Unpowered automatic temperature-adjusting glass window |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090104867A1 (en) * | 2007-10-22 | 2009-04-23 | Sherman John F | Building aperture mounted ventilation apparatus |
-
2018
- 2018-08-24 CN CN201810975919.0A patent/CN108843203B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19510200A1 (en) * | 1995-03-21 | 1996-09-26 | Volker Prof Dingeldein | Building rooms air conditioning installation using solar energy |
JP2007100437A (en) * | 2005-10-06 | 2007-04-19 | Ohbayashi Corp | Double window ventilation system |
KR20080010524A (en) * | 2006-07-27 | 2008-01-31 | 주식회사 힘센에스코 | Double window |
CN102518373A (en) * | 2011-12-19 | 2012-06-27 | 湖南科技大学 | Energy-saving window with vacuum layer combined with convection layer and installation and use method of energy-saving window |
DE102013100629A1 (en) * | 2013-01-08 | 2014-07-24 | Martin Lacher | Window assembly installed in hotel, has space formed between window sash and stem, and between window frame and stem |
KR20140128505A (en) * | 2013-04-26 | 2014-11-06 | 김광혁 | Air purification, heat insulation composite windows and doors |
KR101811016B1 (en) * | 2017-02-24 | 2017-12-20 | 코오롱글로벌 주식회사 | Window system |
CN209838167U (en) * | 2018-08-24 | 2019-12-24 | 李钢 | Unpowered automatic temperature-adjusting glass window |
Also Published As
Publication number | Publication date |
---|---|
CN108843203A (en) | 2018-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111411686B (en) | Energy-conserving ventilation structure for architectural design | |
CN201991416U (en) | Double-glazed ventilating device used for indoor fresh air exchange | |
CN104060733A (en) | Photovohaic curtain wall | |
KR101530237B1 (en) | Natural ventilation apparatus for windows of improve thermal performance by using air layer | |
CN205713775U (en) | A kind of triplex glass vent window | |
CN116221876A (en) | Intelligent room differential pressure control system | |
CN205314809U (en) | Can keep warm and radiating house | |
CN108843203B (en) | Unpowered automatic temperature regulating glass window | |
CN209838167U (en) | Unpowered automatic temperature-adjusting glass window | |
CN210113493U (en) | Building door and window heat insulation energy-saving natural ventilator | |
CN203052871U (en) | Horizontal unit air conditioning device combined with window | |
CN112413721A (en) | Control method of air conditioner indoor unit | |
CN201589369U (en) | Non-power draft regulator | |
CN201203223Y (en) | Window type water-cooling environment protection air conditioner | |
CN212035138U (en) | Novel agricultural greenhouse ventilation device | |
CN203757944U (en) | Translation type filtration ventilation device mounted in building curtain wall cross beam | |
CN201246081Y (en) | Natural ventilation window | |
CN106703650B (en) | A kind of natural convection ventilating and thermal insulating door and its application method | |
CN220080428U (en) | Air circulation structure of double-layer solar heat-insulation curtain wall | |
KR101517874B1 (en) | Natural ventilation apparatus for windows of improve thermal performance by using air layer | |
CN220083209U (en) | Window type fresh air device based on semiconductor refrigerating sheet | |
CN112627694B (en) | Energy-saving window | |
CN219710692U (en) | Double-layer glass curtain wall with built-in solar shutters | |
CN204876233U (en) | Energy -conserving double -deck curtain | |
CN219365833U (en) | Energy-saving passive window convenient to maintain |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant |