CN112874273A - Anti-collision multi-layer hollow heat-insulation sound-insulation glass window with electric heating function - Google Patents

Anti-collision multi-layer hollow heat-insulation sound-insulation glass window with electric heating function Download PDF

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Publication number
CN112874273A
CN112874273A CN202110355746.4A CN202110355746A CN112874273A CN 112874273 A CN112874273 A CN 112874273A CN 202110355746 A CN202110355746 A CN 202110355746A CN 112874273 A CN112874273 A CN 112874273A
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CN
China
Prior art keywords
glass
window
layer glass
insulation
layer
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
CN202110355746.4A
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Chinese (zh)
Inventor
蔡之钰
叶逢雨
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.)
Zhenjiang Kangfei Automobile Manufacturing Co ltd
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Zhenjiang Kangfei Automobile Manufacturing Co 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 Zhenjiang Kangfei Automobile Manufacturing Co ltd filed Critical Zhenjiang Kangfei Automobile Manufacturing Co ltd
Priority to CN202110355746.4A priority Critical patent/CN112874273A/en
Publication of CN112874273A publication Critical patent/CN112874273A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/002—Windows; Windscreens; Accessories therefor with means for clear vision, e.g. anti-frost or defog panes, rain shields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J1/00—Windows; Windscreens; Accessories therefor
    • B60J1/001—Double glazing for vehicles
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/30—Coverings, e.g. protecting against weather, for decorative purposes
    • E06B3/308—Wing frames covered on the outside by a rigidly-mounted outer frame
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/54—Fixing of glass panes or like plates
    • E06B3/64—Fixing of more than one pane to a frame
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6707—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased acoustical insulation
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/67—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light
    • E06B3/6715—Units comprising two or more parallel glass or like panes permanently secured together characterised by additional arrangements or devices for heat or sound insulation or for controlled passage of light specially adapted for increased thermal insulation or for controlled passage of light
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields
    • H05B3/86—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields the heating conductors being embedded in the transparent or reflecting material

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

The invention discloses an anti-collision multilayer hollow heat-insulation sound-insulation glass window with an electric heating function, which comprises a heating window main body, wherein the heating window main body comprises outer layer glass, middle layer glass and inner layer glass, the middle layer glass is arranged between the outer layer glass and the inner layer glass, a silver-plated conducting layer is printed on the outer surface of the middle layer glass in a silk screen mode, the silver-plated conducting layer is electrically connected with a heating assembly arranged outside, a sealing spacing strip is arranged on the periphery of the middle layer glass between the inner layer glass, an air cavity gap is formed in the middle of the middle layer glass, and; novel zone of heating that glass window internal surface plated can prevent effectively that the door window from appearing atomizing, phenomenons such as frosting, can effectual isolated cold air simultaneously, prevents the invasion of outside cold volume and inside thermal scattering and disappearing, maintains the under-deck temperature, falls the syllable-dividing of making an uproar, and the specially adapted severe cold area carries out the adhesion through the PVB film between the glass intermediate layer in addition, has good buffer capacity, can play good glass anticracking effect.

Description

Anti-collision multi-layer hollow heat-insulation sound-insulation glass window with electric heating function
Technical Field
The invention relates to a glass window, in particular to an anti-collision multilayer hollow heat-insulation sound-insulation glass window with an electric heating function.
Background
The vehicle window is an important component of the whole vehicle body and is designed to meet the requirements of lighting, ventilation and driver and passenger visual fields in the vehicle. The car window has the following different installation positions according to the glass: front and rear air windows, side windows and doors and windows. The modeling structure and the quality of the vehicle window have great influence on the visual field of a driver, the comfort of passengers, the appearance, the aerodynamic characteristics and the like. In special working vehicles or cabin bodies for outdoor working in severe cold areas, the common lighting window body causes fog and even frost on glass due to large internal and external temperature difference, and the sight line and the lighting property are seriously affected, so the window body with the glass with the heating function is mostly adopted.
The existing window body with heating function glass has the defect of unbalanced heating in actual use, so that the glass is easy to crack, the heat exchange inside and outside the window cannot be effectively isolated, the heat preservation in the cabin is influenced, the isolation of noise outside the cabin is very limited, the problem of overlarge noise is easy to occur, and therefore the window body needs to be improved.
Disclosure of Invention
The invention aims to provide an anti-collision multilayer hollow heat-insulation sound-insulation glass window with an electric heating 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 anti-collision multilayer hollow heat-insulation sound-insulation glass window with the electric heating function comprises a heating window main body, wherein the heating window main body comprises outer glass, middle glass and inner glass, and the outer glass, the middle glass and the inner glass are sequentially stacked from top to bottom;
the middle layer glass is arranged between the outer layer glass and the inner layer glass, a silver-plated conducting layer is printed on the outer surface of the middle layer glass in a silk-screen mode, and the silver-plated conducting layer is electrically connected with a heating assembly arranged outside;
the periphery of the middle layer glass between the inner layer glass is provided with a sealing spacer, the middle part of the middle layer glass is provided with an air cavity gap, and the inside of the air cavity gap is filled with argon for slowing down heat transfer in the air.
Preferably, the thickness of the spacing bar and the width of the air cavity gap are both 12 mm.
Preferably, the middle layer glass is 4mm gray glass, the outer layer glass is 6mm gray glass, and black ink which plays a role in shielding the spacing bars and the electrified conducting wires is printed on the periphery of the inner surface of the middle layer glass in a silk-screen mode.
Preferably, a PVB film for adhesion fixation is arranged between the outer layer glass and the middle layer glass, and the PVB film is connected with the silver-plated conducting layer and is used for protecting the silver-plated conducting layer.
Preferably, the inner layer glass is 5mm Low-E coated glass, and black ink which plays a role in shielding the spacing bars and the electrified conducting wires is printed on the peripheral edge of one side of the inner surface of the inner layer glass in a silk-screen mode.
Preferably, the coating film on the inner glass layer is made of a light-transmitting material, and the overall light transmittance of the window body reaches 70%.
Preferably, the edge of the outer side of the heating window main body is provided with a window body outer frame, the window body outer frame is connected with a wall body, and the joint of the window body outer frame and each layer of glass on the heating window main body is filled with structural adhesive.
Preferably, a decoration frame is arranged at one side, located on the inner layer glass, of the lower end of the outer frame of the window body, and a sealing strip is arranged between the decoration frame and the inner layer glass.
Preferably, the window body outer frame and the decorative frame are both made of aluminum alloy sections.
Compared with the prior art, the invention has the beneficial effects that:
the novel glass window is mainly used for a lighting window of a vehicle, the heating layer plated on the inner surface of the window body can effectively prevent the phenomena of atomization, frosting and the like of the window, and meanwhile, cold air can be effectively isolated, the invasion of external cold and the dissipation of internal heat are prevented, the temperature in the cabin is maintained, noise reduction and sound insulation are carried out, and the novel glass window is particularly suitable for a severe cold area;
the window body frame is used for fixing glass, and the dress escutcheon then plays decorative effect, carries out the adhesion through the PVB film between middle level and the outer glass, has good buffer capacity, can play good glass anti-burst effect, and coated glass's setting has printing opacity and thermal-insulated effect in addition, can effectually prevent inside thermal scattering and disappearing, and the heat insulating ability obtains further improvement.
Drawings
Fig. 1 is a schematic structural view of an anti-collision multi-layer hollow heat-insulating sound-insulating glass window with an electric heating function.
Fig. 2 is a schematic structural view of a window frame in an anti-collision multi-layer hollow heat-insulating sound-insulating glass window with an electric heating function.
Fig. 3 is a schematic structural view of a heating window main body in the anti-collision multilayer hollow heat-preservation, heat-insulation and sound-insulation glass window with an electric heating function.
In the figure: 1. a wall body; 2. a window body outer frame; 3. outer layer glass; 4. PVB film; 5. a silver-plated conductive layer; 6. middle layer glass; 7. air cavity gaps; 8. inner layer glass; 9. a spacer bar; 10. structural adhesive; 11. a sealing strip; 12. a decorative frame; 13. the window body is heated.
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 inventive step, are within the scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, the anti-collision multilayer hollow thermal insulation and sound insulation glass window with an electrical heating function includes a heating window main body 13, the heating window main body 13 includes an outer layer glass 3, a middle layer glass 6 and an inner layer glass 8, and the outer layer glass 3, the middle layer glass 6 and the inner layer glass 8 are sequentially stacked from top to bottom;
the middle layer glass 6 is arranged between the outer layer glass 3 and the inner layer glass 8, the outer surface of the middle layer glass is printed with a silver-plated conducting layer 5 in a silk-screen mode, and the silver-plated conducting layer 5 is electrically connected with a heating component arranged outside; the silver-plated conducting layer 5 can generate heat after being electrified to heat the outer glass 3, so that the phenomena of atomization, frosting and the like on the window glass are prevented; the periphery of the middle layer glass 6 between the inner layer glass 8 is provided with a sealing spacer 9, the middle part of the middle layer glass is provided with an air cavity gap 7, and the inside of the air cavity gap 7 is filled with argon for slowing down heat transfer in the air; argon is filled in the air cavity gap 7 and is used for slowing down heat convection and heat conduction in the hollow glass, so that the heat conduction capability of the whole hollow glass is weakened, the dissipation of internal heat is further prevented, and a sound insulation effect can be achieved; the thickness of the spacing bars 9 and the width of the air cavity gap 7 are both 12 mm;
the middle layer glass 6 is 4mm gray glass, the outer layer glass 3 is 6mm gray glass, and black printing ink which plays a role of shielding the spacing bars 9 and the electrified conducting wires is printed on the periphery of one side of the inner surface in a silk-screen mode; the outer glass 3 is 6mm gray glass, so that external cold air can be effectively blocked, and the invasion of external cold energy can be prevented, and in addition, black ink silk-screened on the inner surface of the outer glass 3 can shield the spacing bars 9, electrified wires and the like, so that the decoration and beautification effects are achieved;
a PVB film 4 for adhesion and fixation is arranged between the outer layer glass 3 and the middle layer glass 6, and the PVB film 4 is connected with the silver-plated conducting layer 5 and is used for protecting the silver-plated conducting layer 5; the PVB film 4 is positioned between the outer layer and the middle layer of glass 6, plays a role in bonding the two layers of glass and protecting the silver-plated conducting layer 5, has the characteristics of high strength and impact resistance due to the fact that the PVB film 4 is formed by high-temperature and high-pressure pressing, and can effectively avoid self-explosion of the glass;
the PVB film 4 can absorb impact energy as an adhesive structure to achieve an explosion-proof effect; the inner layer glass 8 is 5mm of low-E coated glass, and black ink which plays a role of shielding the spacing bars 9 and the electrified conducting wires is printed on the edge of the periphery of one side of the inner surface of the inner layer glass in a silk-screen mode;
the inner layer glass 8 is coated with a film made of a light-transmitting material, and the overall light transmittance of the window body reaches 70%; the Low-E coated glass is also called Low-emissivity glass, and is a film product formed by coating a plurality of layers of metals or other compounds on the surface of the glass; the coating layer has the characteristics of high visible light transmission and high mid-far infrared ray reflection, so that compared with common glass and traditional coating glass for buildings, the coating layer has excellent heat insulation effect and good light transmission, and can effectively prevent the dissipation of internal heat;
a window body outer frame 2 is arranged at the edge of the outer side of the heating window main body 13, the window body outer frame 2 is connected with the wall body 1, and structural adhesive 10 is filled at the connection position of the window body outer frame 2 and each layer of glass on the heating window main body 13; the window body outer frame 2 plays a role in fixing glass and strengthening the structural strength of the window body, meanwhile, the structural adhesive 10 is filled between the window body outer frame 2 and each layer of glass, and the structural adhesive 10 can fix the glass and play a role in sealing;
a decorative frame 12 is arranged at one side of the inner layer glass 8 at the lower end of the window body outer frame 2, and a sealing strip 11 is arranged between the decorative frame 12 and the inner layer glass 8; the window outer frame 2 and the decoration frame 12 are both made of aluminum alloy sections; a sealing strip 11 is arranged between the decorative frame 12 and the inner layer glass 8, and the sealing strip 11 can shield the gap and isolate air, thereby playing the roles of sealing and decoration;
the heating assembly comprises a thermistor and a temperature controller, the thermistor PT100 thermistor detects the heating temperature and feeds the heating temperature back to the temperature controller, and the temperature controller adjusts the electrifying current and adjusts the heating temperature of the glass, so that the energy is saved, the heating temperature of the glass is prevented from being too high, and the service life of the window body can be prolonged;
the working principle of the invention is as follows: the temperature controller can set heating temperature, when the temperature controller is powered on, the temperature controller detects the resistance value of PT100 and converts the resistance value into a corresponding temperature value, when the temperature is lower than the set temperature, the temperature controller powers on the silver-plated conducting layer 5, the temperature of the silver-plated conducting layer 5 is raised to heat glass after the silver-plated conducting layer 5 is powered on, when the temperature is raised to the set temperature, the temperature controller powers off the silver-plated conducting layer 5, the silver-plated conducting layer 5 stops heating, the temperature of the glass gradually decreases along with the dissipation of heat, when the temperature is lowered to a preset value, the temperature controller powers on the silver-plated conducting layer 5, the temperature is raised to heat the glass after the silver-plated conducting layer 5 is powered on, and the circulation is repeated, and the temperature controller controls the temperature of the heated window glass within a; the heating layer that window body surface was plated controls through temperature controller, carries out the even heating to glass is whole inside from glass, can prevent effectively that phenomena such as atomizing, frosting from appearing in the door window, prevents that glass from appearing bursting, the good reliability.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The anti-collision multilayer hollow heat-insulation sound-insulation glass window with the electric heating function is characterized by comprising a heating window main body (13), wherein the heating window main body (13) comprises outer layer glass (3), middle layer glass (6) and inner layer glass (8), and the outer layer glass (3), the middle layer glass (6) and the inner layer glass (8) are sequentially stacked from top to bottom;
the middle layer glass (6) is arranged between the outer layer glass (3) and the inner layer glass (8), a silver-plated conducting layer (5) is printed on the outer surface of the middle layer glass in a silk-screen mode, and the silver-plated conducting layer (5) is electrically connected with a heating component arranged outside;
the periphery of the middle layer glass (6) between the inner layer glass (8) is provided with a sealing spacer bar (9), an air cavity gap (7) is formed in the middle of the middle layer glass, and argon for slowing down heat transfer in the air is filled in the air cavity gap (7).
2. An electrically heated impact-resistant multi-layer hollow insulating, heat and sound insulating glazing as claimed in claim 1, characterised in that the spacer (9) thickness and the air cavity gap (7) width are both 12 mm.
3. The anti-collision multi-layer hollow heat-insulation sound-insulation glass window with the electric heating function as claimed in claim 1, wherein the middle layer glass (6) is 4mm gray glass, the outer layer glass (3) is 6mm gray glass, and black ink for shielding the spacing bars (9) and the power-on wires is printed on the peripheral edge of one side of the inner surface of the glass window in a silk-screen mode.
4. The electric heating function anti-collision multilayer hollow heat-insulation sound-insulation glass window is characterized in that a PVB film (4) for adhesion fixation is arranged between the outer layer glass (3) and the middle layer glass (6), and the PVB film (4) is connected with the silver-plated conducting layer (5) and is used for protecting the silver-plated conducting layer (5).
5. The anti-collision multi-layer hollow heat-insulation sound-insulation glass window with the electric heating function as claimed in claim 1, wherein the inner layer glass (8) is 5mm low-E coated glass, and black ink for shielding the spacing bars (9) and the power-on wires is printed on the peripheral edge of one side of the inner surface of the inner layer glass in a silk-screen mode.
6. The electric heating anti-collision multilayer hollow heat-insulation sound-insulation glass window is characterized in that the inner layer glass (8) is coated with a light-transmitting material.
7. The anti-collision multi-layer hollow heat-insulation sound-insulation glass window with the electric heating function according to claim 1, wherein a window body outer frame (2) is arranged at the outer side edge of the heating window main body (13), the window body outer frame (2) is connected with a wall body (1), and structural glue (10) is filled at the joint of the window body outer frame (2) and each layer of glass on the heating window main body (13).
8. The anti-collision multi-layer hollow heat-insulation sound-insulation glass window with the electric heating function as claimed in claim 7, wherein a decorative frame (12) is arranged at one side of the inner glass (8) at the lower end of the window frame (2), and a sealing strip (11) is arranged between the decorative frame (12) and the inner glass (8).
9. The anti-collision multi-layer hollow heat-insulation sound-insulation glass window with the electric heating function as claimed in claim 8, wherein the window frame (2) and the decorative frame (12) are both made of aluminum alloy profiles.
CN202110355746.4A 2021-04-01 2021-04-01 Anti-collision multi-layer hollow heat-insulation sound-insulation glass window with electric heating function Pending CN112874273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110355746.4A CN112874273A (en) 2021-04-01 2021-04-01 Anti-collision multi-layer hollow heat-insulation sound-insulation glass window with electric heating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110355746.4A CN112874273A (en) 2021-04-01 2021-04-01 Anti-collision multi-layer hollow heat-insulation sound-insulation glass window with electric heating function

Publications (1)

Publication Number Publication Date
CN112874273A true CN112874273A (en) 2021-06-01

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ID=76040403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110355746.4A Pending CN112874273A (en) 2021-04-01 2021-04-01 Anti-collision multi-layer hollow heat-insulation sound-insulation glass window with electric heating function

Country Status (1)

Country Link
CN (1) CN112874273A (en)

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