CN109869080A - A kind of power-operated shutter aluminum-coated wood window with fresh air system - Google Patents

A kind of power-operated shutter aluminum-coated wood window with fresh air system Download PDF

Info

Publication number
CN109869080A
CN109869080A CN201910249813.7A CN201910249813A CN109869080A CN 109869080 A CN109869080 A CN 109869080A CN 201910249813 A CN201910249813 A CN 201910249813A CN 109869080 A CN109869080 A CN 109869080A
Authority
CN
China
Prior art keywords
window frame
fresh air
power
air system
operated shutter
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
Application number
CN201910249813.7A
Other languages
Chinese (zh)
Inventor
刘军
许应海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Haiying Wood Ltd By Share Ltd
Original Assignee
Nantong Haiying Wood Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Haiying Wood Ltd By Share Ltd filed Critical Nantong Haiying Wood Ltd By Share Ltd
Priority to CN201910249813.7A priority Critical patent/CN109869080A/en
Publication of CN109869080A publication Critical patent/CN109869080A/en
Pending legal-status Critical Current

Links

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

The invention discloses a kind of power-operated shutter aluminum-coated wood windows with fresh air system of aluminum-coated wood window technical field, including window frame, fresh air system, power-operated shutter mechanism and solar components, the window frame includes upper window frame, lower window frame, left window frame and right window frame, the upper window frame, lower window frame, glass is sealed and installed between left window frame and right window frame, the fresh air system includes exhaust blower, exhaust fan and baffle, the power-operated shutter mechanism includes several blinds, grille motor, worm and worm wheel, the solar components include solar panels, battery, inverter, controller and electric wire, to guarantee indoor air quality, guarantee the stabilization run during blinds electric folding, it is easy to operate, manpower is saved, by adding solar components, greatly reduce the consumption of alternating current, it is energy saving, it is reasonable in design, maintenance is convenient.

Description

A kind of power-operated shutter aluminum-coated wood window with fresh air system
Technical field
The present invention relates to aluminum-coated wood window technical field, specially a kind of power-operated shutter aluminum-coated wood window with fresh air system.
Background technique
Aluminum-coated wood window is under the premise of retaining pure solid wood window property and function, by heat-insulating bridge-cut-off aluminium alloy extrusions and solid wood The framework being combined by mechanical means.Two kinds of materials are connected by macromolecule nylon part, have sufficiently looked after timber and metal The different attribute of constriction coefficient.
In order to enable aluminum-coated wood window can be more adaptive to the use of people, the current country occur with fresh air system and The aluminum-coated wood window of power-operated shutter, fresh air system is used for the replacement of indoor and outdoor air, to guarantee the quality of room air, electricity Dynamic blinds can the lifting of automation control shutter, it is easy to operate, saved manpower, but driven fresh air system and power-operated shutter Motor be required to be practically wasted electric power in this way by 220 volts of voltage transform security power voltage supplies, be not inconsistent using household electrical appliances Close National Sustainable Development Strategies.
As the solar energy of new energy, because its inexhaustible, nexhaustible, pollution-free, cheap and mankind can be free Utilize the characteristics of, increasingly have been favored by people, thus how by application of solar energy electronic with fresh air system In blinds aluminum-coated wood window, then will be huge harvest to energy saving aspect.
Based on this, the present invention devises a kind of power-operated shutter aluminum-coated wood window with fresh air system, to solve the above problems.
Summary of the invention
It is energy saving the purpose of the present invention is to provide a kind of consumption for greatly reducing alternating current, reasonable in design, inspection The convenient power-operated shutter aluminum-coated wood window for having fresh air system is repaired, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of power-operated shutter aluminium packet with fresh air system Timber window, including window frame, fresh air system, power-operated shutter mechanism and solar components,
The window frame includes upper window frame, lower window frame, left window frame and right window frame, left window frame peace parallel with right window frame difference Between both ends loaded on window frame under top upper window frame and lower section, sealed between the upper window frame, lower window frame, left window frame and right window frame Glass is installed;
The fresh air system includes exhaust blower, exhaust fan and baffle, and the inside two sides of the lower window frame are provided with cavity, and two It being separated between the group cavity by sealing partition room, the exhaust blower and exhaust fan are respectively arranged in the inside of two groups of cavitys, The baffle is installed on the outer wall of lower window frame, and the outer wall two sides of the baffle are respectively equipped with exhaust outlet and suction opening, the row The input terminal of blower is connected to interior by air draft inlet pipe, and the output end of the exhaust blower is connected by air draft outlet pipe and exhaust outlet Logical, the input terminal of the exhaust fan is connected to interior by exhausting outlet pipe, the output end of the exhaust fan by exhausting inlet pipe and Suction opening connection;
The power-operated shutter mechanism includes several blinds, grille motor, worm and worm wheel, the left window frame and right window frame Inner wall bearing is uniformly installed, through there is beam barrel, the both ends of the beam barrel are plugged in the inside of bearing for the inside of the blinds, The inside of the left window frame is provided with cavity, and the inner vertical of the left window frame is plugged with worm screw, and the beam barrel is located at the one of worm screw End cap is connected to the worm gear being meshed with worm screw, and the grille motor is fixedly installed in the inner cavity side of upper window frame, the blinds electricity The output end of machine is docked with the top of worm screw;
The solar components include solar panels, battery, inverter, controller and electric wire, the solar panels peace On outer wall loaded on blinds, the battery, inverter and controller are mounted on the inside of upper window frame, the exhaust blower, pumping Blower, grille motor, solar panels, inverter and controller pass through electric wire and battery is electrically connected.
Preferably, the outer wall of the upper window frame is equipped with heat sink.
Preferably, the inner wall two sides of the baffle are separately installed with homogenating plate and active carbon filter plate, the air draft outlet pipe Setting is connected to exhaust outlet by homogenating plate, the exhausting inlet pipe is connected to setting with suction opening by active carbon filter plate.
Preferably, winding displacement groove is provided on the inner wall of the right window frame, the electric wire is installed on the inside of winding displacement groove, the electricity One end that line is connect with blinds is through the inside of beam barrel.
Preferably, card slot is provided on the outer wall of the blinds, the solar panels sealing is connected in the inside of card slot.
Preferably, the lateral wall of the left window frame and right window frame is mounted by means of screws with access panel, the heat dissipation Plate and baffle pass through screw respectively and are fixedly installed on the outer wall of upper window frame and lower window frame.
Compared with prior art, the beneficial effects of the present invention are: the present invention can send outdoor fresh air by fresh air system Enter interior, indoor foul atmosphere is discharged by exhaust blower, to guarantee indoor air quality, mechanism guarantees by power-operated shutter The stabilization run during blinds electric folding, it is easy to operate, manpower has been saved, by adding solar components, has been substantially reduced The consumption of alternating current, energy saving, reasonable in design, maintenance is convenient.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is schematic structural view of the invention;
Fig. 2 is schematic diagram of internal structure of the present invention;
Fig. 3 is baffle arrangement schematic diagram of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- upper window frame, 101- heat sink, window frame under 2-, the left window frame of 3-, 31- access panel, the right window frame of 4-, 5- glass, 6- row Blower, 7- exhaust fan, 8- baffle, 9- cavity, 10- sealing partition, 11- exhaust outlet, 111- homogenating plate, 12- suction opening, 121- are living Property charcoal filter plate, 13- air draft inlet pipe, 14- air draft outlet pipe, 15- exhausting outlet pipe, 16- exhausting inlet pipe, 17- blinds, 18- beam barrel, 19- bearing, 20- grille motor, 21- worm screw, 22- worm gear, 23- cavity, 24- card slot, 25- solar panels, 26- battery, 27- Inverter, 28- controller, 29- electric wire.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of power-operated shutter aluminium Bao Mu with fresh air system Window, including window frame, fresh air system, power-operated shutter mechanism and solar components,
The window frame includes upper window frame 1, lower window frame 2, left window frame 3 and right window frame 4, and the left window frame 3 and right window frame 4 are distinguished It is parallelly mounted under top upper window frame 1 and lower section between the both ends of window frame 2, the upper window frame 1, lower window frame 2, left window frame 3 and the right side Glass 5 is sealed and installed between window frame 4, upper window frame 1, lower window frame 2, left window frame 3 and right window frame 4 are all made of aluminium packet timber, have Good heat-insulation and heat-preservation, sound insulaton, the performances such as sturdy and durable;
The fresh air system includes exhaust blower 6, exhaust fan 7 and baffle 8, and the inside two sides of the lower window frame 2 are provided with chamber Body 9 is spaced apart between cavity 9 described in two groups by sealing partition 10, and the exhaust blower 6 and exhaust fan 7 are respectively arranged in two groups The inside of cavity 9, the baffle 8 are installed on the outer wall of lower window frame 2, and the outer wall two sides of the baffle 8 are respectively equipped with exhaust outlet 11 and suction opening 12, the input terminal of the exhaust blower 6 is connected to interior, the output end of the exhaust blower 6 by air draft inlet pipe 13 It is connected to by air draft outlet pipe 14 with exhaust outlet 11, the input terminal of the exhaust fan 7 is connected to interior by exhausting outlet pipe 15, described The output end of exhaust fan 7 is connected to by exhausting inlet pipe 16 with suction opening 12, outdoor fresh air can be sent into room by exhaust fan 7 It is interior, while indoor foul atmosphere being discharged by exhaust blower 6, to guarantee indoor air quality;
The power-operated shutter mechanism includes several blinds 17, grille motor 20, worm screw 21 and worm gear 22, the left window frame 3 and the inner wall of right window frame 4 bearing 19 is uniformly installed, the inside of the blinds 17 is through there is a beam barrel 18, the two of the beam barrel 18 End is plugged in the inside of bearing 19, and the inside of the left window frame 3 is provided with cavity 23, and the inner vertical of the left window frame 3 is plugged with Worm screw 21, one end that the beam barrel 18 is located at worm screw 21 are socketed with the worm gear 22 being meshed with worm screw 21, the grille motor 20 It is fixedly installed in the inner cavity side of upper window frame 1, the output end of the grille motor 20 is docked with the top of worm screw 21, and design is closed Reason, grille motor 20 drive the worm gear 22 being located on blinds 17 to be moved by worm screw 21, guarantee blinds electric folding process The stabilization of middle operation, it is easy to operate, save manpower;
The solar components include solar panels 25, battery 26, inverter 27, controller 28 and electric wire 29, described Solar panels 25 are installed on the outer wall of blinds 17, and the battery 26, inverter 27 and controller 28 are mounted on upper window frame 1 Inside, the exhaust blower 6, exhaust fan 7, grille motor 20, solar panels 25, inverter 27 and controller 28 pass through electric wire 29 are electrically connected with battery 26, by the way that the received solar energy of solar panels 25 under the processing of controller 28, is stored in electric power storage In pond 26, and the converting direct-current power into alternating-current power being located in battery 26 is supplied to exhaust blower 6, exhaust fan by inverter 27 7 and grille motor 20, the consumption of alternating current is greatly reduced, it is energy saving.
Wherein, the outer wall of the upper window frame 1 is equipped with heat sink 101, can be to the battery being located inside upper window frame 1 26, inverter 27, controller 28 and grille motor 20 radiate, and guarantee the steady operation of each element, the inner wall of the baffle 8 Two sides are separately installed with homogenating plate 111 and active carbon filter plate 121, and the air draft outlet pipe 14 passes through homogenating plate 111 and exhaust outlet The air of foul indoor, can be discharged to the external world by 11 connection settings, the exhausting inlet pipe 16 by active carbon filter plate 121 with The connection setting of suction opening 12, active carbon filter plate 121 can be purified to indoor outside air is entered, be filtered, be reduced Harmful substance or dust enter interior, and winding displacement groove is provided on the inner wall of the right window frame 4, and the electric wire 29 is installed on winding displacement groove Inside, one end that the electric wire 29 is connect with blinds 17 is provided with through the inside of beam barrel 18 on the outer wall of the blinds 17 Card slot 24, the solar panels 25 seal the inside for being connected in card slot 24, the installation of solar panels 25, convenient disassembly, and install In on the outer wall of blinds 17, being not take up space, the lateral wall of the left window frame 3 and right window frame 4 is mounted by means of screws with Access panel 31, the heat sink 101 and baffle 8 are fixedly installed on the outer wall of upper window frame 1 and lower window frame 2 respectively by screw, Convenient for being dismantled to access panel 31, heat sink 101 and baffle 8, it is easy to positioned at upper window frame 1, lower window frame 2, left window frame 3 and the right side Element inside window frame 4 is overhauled.
One concrete application of the present embodiment are as follows: by installing fresh air system and power-operated shutter, fresh air in aluminum-coated wood window System is indoor by that outdoor fresh air can be sent by exhaust fan 7, while being arranged indoor foul atmosphere by exhaust blower 6 Out, to guarantee indoor air quality, power-operated shutter mechanism, which is driven by grille motor 20 by worm screw 21, to be located on blinds 17 Worm gear 22 is moved, and guarantees the stabilization run during blinds electric folding, easy to operate, has saved manpower, and be additionally arranged Solar components, by the way that the received solar energy of solar panels 25 under the processing of controller 28, to be stored in battery 26, and pass through It crosses inverter 27 and the converting direct-current power into alternating-current power being located in battery 26 is supplied to exhaust blower 6, exhaust fan 7 and grille motor 20, the consumption of alternating current is greatly reduced, it is energy saving.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (6)

1. a kind of power-operated shutter aluminum-coated wood window with fresh air system, including window frame, fresh air system, power-operated shutter mechanism and the sun Energy component, it is characterised in that:
The window frame includes upper window frame (1), lower window frame (2), left window frame (3) and right window frame (4), the left window frame (3) and right window Frame (4) is parallelly mounted to respectively under top upper window frame (1) and lower section between the both ends of window frame (2), the upper window frame (1), lower window Glass (5) are sealed and installed between frame (2), left window frame (3) and right window frame (4);
The fresh air system includes exhaust blower (6), exhaust fan (7) and baffle (8), and the inside two sides of the lower window frame (2) are opened Have cavity (9), is spaced apart between cavity described in two groups (9) by sealing partition (10), the exhaust blower (6) and exhaust fan (7) It is respectively arranged in the inside of two groups of cavitys (9), the baffle (8) is installed on the outer wall of lower window frame (2), the baffle (8) Outer wall two sides are respectively equipped with exhaust outlet (11) and suction opening (12), and the input terminal of the exhaust blower (6) passes through air draft inlet pipe (13) It is connected to interior, the output end of the exhaust blower (6) is connected to by air draft outlet pipe (14) with exhaust outlet (11), the exhaust fan (7) input terminal is connected to interior by exhausting outlet pipe (15), the output end of the exhaust fan (7) by exhausting inlet pipe (16) with Suction opening (12) connection;
The power-operated shutter mechanism includes several blinds (17), grille motor (20), worm screw (21) and worm gear (22), the left side The inner wall of window frame (3) and right window frame (4) is uniformly equipped with bearing (19), and the inside of the blinds (17), which is run through, beam barrel (18), The both ends of the beam barrel (18) are plugged in the inside of bearing (19), and the inside of the left window frame (3) is provided with cavity (23), the left side The inner vertical of window frame (3) is plugged with worm screw (21), and one end that the beam barrel (18) is located at worm screw (21) is socketed with and worm screw (21) worm gear (22) being meshed, the grille motor (20) are fixedly installed in the inner cavity side of upper window frame (1), the blinds electricity The output end of machine (20) is docked with the top of worm screw (21);
The solar components include solar panels (25), battery (26), inverter (27), controller (28) and electric wire (29), the solar panels (25) are installed on the outer wall of blinds (17), the battery (26), inverter (27) and controller (28) inside of upper window frame (1), the exhaust blower (6), exhaust fan (7), grille motor (20), solar panels are mounted on (25), inverter (27) and controller (28) are electrically connected by electric wire (29) and battery (26).
2. a kind of power-operated shutter aluminum-coated wood window with fresh air system according to claim 1, it is characterised in that: on described The outer wall of window frame (1) is equipped with heat sink (101).
3. a kind of power-operated shutter aluminum-coated wood window with fresh air system according to claim 1, it is characterised in that: the gear The inner wall two sides of plate (8) are separately installed with homogenating plate (111) and active carbon filter plate (121), and the air draft outlet pipe (14) passes through Homogenating plate (111) is connected to setting with exhaust outlet (11), and the exhausting inlet pipe (16) passes through active carbon filter plate (121) and suction opening (12) connection setting.
4. a kind of power-operated shutter aluminum-coated wood window with fresh air system according to claim 1, it is characterised in that: the right side Winding displacement groove is provided on the inner wall of window frame (4), the electric wire (29) is installed on the inside of winding displacement groove, the electric wire (29) and blinds (17) inside of the one end connected through beam barrel (18).
5. a kind of power-operated shutter aluminum-coated wood window with fresh air system according to claim 1, it is characterised in that: described hundred It is provided on the outer wall of leaf (17) card slot (24), solar panels (25) sealing is connected in the inside of card slot (24).
6. a kind of power-operated shutter aluminum-coated wood window with fresh air system according to claim 2, it is characterised in that: the left side The lateral wall of window frame (3) and right window frame (4) is mounted by means of screws with access panel (31), the heat sink (101) and gear Plate (8) is fixedly installed on the outer wall of upper window frame (1) and lower window frame (2) respectively by screw.
CN201910249813.7A 2019-03-29 2019-03-29 A kind of power-operated shutter aluminum-coated wood window with fresh air system Pending CN109869080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910249813.7A CN109869080A (en) 2019-03-29 2019-03-29 A kind of power-operated shutter aluminum-coated wood window with fresh air system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910249813.7A CN109869080A (en) 2019-03-29 2019-03-29 A kind of power-operated shutter aluminum-coated wood window with fresh air system

Publications (1)

Publication Number Publication Date
CN109869080A true CN109869080A (en) 2019-06-11

Family

ID=66921669

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910249813.7A Pending CN109869080A (en) 2019-03-29 2019-03-29 A kind of power-operated shutter aluminum-coated wood window with fresh air system

Country Status (1)

Country Link
CN (1) CN109869080A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110593741A (en) * 2019-09-27 2019-12-20 河南城建学院 Light-transmitting rainproof shutter
CN110685570A (en) * 2019-09-12 2020-01-14 合肥尘洁清洁技术服务有限公司 Energy-concerving and environment-protective photovoltaic energy storage shutter
CN112400560A (en) * 2020-12-17 2021-02-26 杭州巨力绝缘材料有限公司 Intelligent greenhouse and working method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202117539U (en) * 2011-06-07 2012-01-18 上海市卢湾区青少年活动中心 Multifunctional shutter system
CN104879051A (en) * 2015-06-23 2015-09-02 湖南大学 Photovoltaic shutter semiconductor temperature-control energy-saving window
CN207268155U (en) * 2017-09-07 2018-04-24 深圳市兴鸿达实业发展有限公司 A kind of electric-powered shutter based on photovoltaic generation
CN209874975U (en) * 2019-03-29 2019-12-31 南通海鹰木业股份有限公司 Electric shutter aluminum-clad wood window with fresh air system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202117539U (en) * 2011-06-07 2012-01-18 上海市卢湾区青少年活动中心 Multifunctional shutter system
CN104879051A (en) * 2015-06-23 2015-09-02 湖南大学 Photovoltaic shutter semiconductor temperature-control energy-saving window
CN207268155U (en) * 2017-09-07 2018-04-24 深圳市兴鸿达实业发展有限公司 A kind of electric-powered shutter based on photovoltaic generation
CN209874975U (en) * 2019-03-29 2019-12-31 南通海鹰木业股份有限公司 Electric shutter aluminum-clad wood window with fresh air system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685570A (en) * 2019-09-12 2020-01-14 合肥尘洁清洁技术服务有限公司 Energy-concerving and environment-protective photovoltaic energy storage shutter
CN110593741A (en) * 2019-09-27 2019-12-20 河南城建学院 Light-transmitting rainproof shutter
CN110593741B (en) * 2019-09-27 2020-10-16 河南城建学院 Light-transmitting rainproof shutter
CN112400560A (en) * 2020-12-17 2021-02-26 杭州巨力绝缘材料有限公司 Intelligent greenhouse and working method

Similar Documents

Publication Publication Date Title
CN109869080A (en) A kind of power-operated shutter aluminum-coated wood window with fresh air system
CN109629995B (en) Multifunctional photovoltaic shutter outer window
CN219955548U (en) Energy-saving ventilation device
CN209874975U (en) Electric shutter aluminum-clad wood window with fresh air system
CN211500445U (en) Heat-preservation energy-saving door and window convenient to assemble
CN208830865U (en) A kind of mounting structure of shading integrated window
CN207268155U (en) A kind of electric-powered shutter based on photovoltaic generation
CN116207415A (en) Domestic energy storage system is with preventing touching battery box based on renewable energy
CN105066318A (en) Solar full-automatic sealed ventilator
CN212057645U (en) Energy-conserving ventilation unit for architectural design
CN213931298U (en) Ventilator with purifying effect
CN213838413U (en) Aluminum alloy door and window with active ventilation function
CN106246081A (en) A kind of ventilation type aluminum window
CN102839908A (en) Heat-insulation and energy-saving electric vertical hinged glass window shutter
CN208309995U (en) A kind of wallboard with solar panel
CN216767206U (en) Power ventilation type wind purifying and sound insulating window powered by photovoltaic
CN208059438U (en) A kind of timber Special baking stove room
CN218379773U (en) Ventilation energy-saving device for green building door and window
CN212317825U (en) Novel energy-concerving and environment-protective aluminum-wood window
CN219868374U (en) Energy-saving filter screen cleaning device for ventilation
CN220958727U (en) Clean laboratory
CN215933325U (en) Transformer capable of efficiently dissipating heat
CN221236658U (en) Sunshade device for energy-saving door and window
CN214035309U (en) 60-series intelligent casement window
CN213838302U (en) Energy-saving door and window with good heat insulation effect

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