CN109862639A - A kind of glass with electric heating and function of shielding - Google Patents
A kind of glass with electric heating and function of shielding Download PDFInfo
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- CN109862639A CN109862639A CN201910231820.4A CN201910231820A CN109862639A CN 109862639 A CN109862639 A CN 109862639A CN 201910231820 A CN201910231820 A CN 201910231820A CN 109862639 A CN109862639 A CN 109862639A
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Abstract
The invention discloses a kind of glass with electric heating and function of shielding, comprising: copper-foil conducting electricity, outdoor tempered glass, ITO screened film, PVB intermediate coat, busbar, silk-screen silver paste, heating film, indoor tempered glass, silk-screen black surround, lead-out wire and temperature sensor；Wherein, copper-foil conducting electricity packet is set to outdoor tempered glass；One surface of outdoor tempered glass is connected by ITO screened film with a surface of PVB intermediate coat；Another surface of PVB intermediate coat is connected by heating film with a surface of indoor tempered glass；One surface of silk-screen silver paste is connected with heating film, and another surface of silk-screen silver paste is connected with busbar；Silk-screen black surround applies the periphery for being set to the inner surface of outdoor tempered glass；One end of lead-out wire is connected with busbar, and the other end is connected with temperature controller；Temperature sensor is set between ITO screened film and PVB intermediate coat.The present invention can make driver's cabin have certain electromagnetic pulse-resisting ability, self-heating defrosting-defogging ability.
Description
Technical field
The invention belongs to electromagnetic pulse-resisting protection technology field more particularly to a kind of glass with electric heating and function of shielding
Glass.
Background technique
With the needs of modernized war, various countries are dedicated to studying electromagnetic pulse weapon, such weapon can be in the short time
The interior electronic circuit that other side is destroyed using powerful electromagnetic field, radar, communication commanding system, but can by a single soldier is not hurt
For system enemy in invisible magical power, electromagnetic pulse weapon is increasingly becoming one of the new concept weapon for changing war rule.To improve
Weapon system battlefield survival, special car of new generation use anti-core, stealthy, three proofings integrated design, wherein driver's cabin glass
The electromagnetic pulse-resisting of glass, electric heating function integration are one of technological difficulties.Therefore, it is necessary to develop it is a kind of have electric heating and
The glass of function of shielding, the technology are extremely important to the survival ability for improving special car of new generation.
Using traditional chemical tempering laminated glass, it is unable to satisfy that light transmittance is high, thickness is thin, electric heating range is wide, wideband
The high requirement of shielding properties.
Summary of the invention
Technical problem solved by the present invention is having overcome the deficiencies of the prior art and provide a kind of with electric heating and shielding
The glass of function can make driver's cabin have certain electromagnetic pulse-resisting ability, self-heating defrosting-defogging ability, can not only make to drive
Indoor electronic equipment is in stable electromagnetic environment, also make at low ambient temperatures windscreen can quickly carry out removing
Mist improves the battlefield living environment of personnel and electronic equipment.
The object of the invention is achieved by the following technical programs: a kind of glass with electric heating and function of shielding, packet
It includes: copper-foil conducting electricity, outdoor tempered glass, ITO screened film, PVB intermediate coat, busbar, silk-screen silver paste, heating film, indoor tempering
Glass, silk-screen black surround, lead-out wire and temperature sensor；Wherein, the copper-foil conducting electricity packet is set to the outer of the outdoor tempered glass
Zhou Duan；One surface of the outdoor tempered glass is connected by the ITO screened film with a surface of the PVB intermediate coat；
Another surface of the PVB intermediate coat is connected by the heating film with a surface of the indoor tempered glass；The remittance
Stream item and the silk-screen silver paste are all set in the PVB intermediate coat, a surface of the silk-screen silver paste and the heating film phase
Connection, another surface of the silk-screen silver paste is connected with the busbar；The silk-screen black surround, which applies, is set to the outdoor tempering
The periphery of the inner surface of glass；One end of the lead-out wire is connected with the busbar, and the other end is connected with temperature controller
It connects；The temperature sensor is set between ITO screened film and PVB intermediate coat.
In the above-mentioned glass with electric heating and function of shielding, temperature controller transmits electric current to confluence by lead-out wire
Then electric current is passed to silk-screen silver paste by busbar, electric current is passed to heating film, heating film after silk-screen silver paste is conductive by item
To heat to indoor tempered glass and outdoor two blocks of glass of tempered glass, temperature sensor detects the temperature of electrically heated glass
Degree, be sent in temperature controller after temperature signal is converted, by the preset temperature point set with temperature controller compare come
The on-off of control heating glass electric current, determines temperature control system to realize, automatically controls glass temperature in the shape for 25~33 DEG C
State.
In the above-mentioned glass with electric heating and function of shielding, the line resistance of the ITO screened film is not more than 4 Ω, electromagnetism
Shield effectiveness, which meets, is not less than 27.6dB, and light transmittance is not less than 70%.
In the above-mentioned glass with electric heating and function of shielding, the thermal capacitance of the outdoor tempered glass is 837.4J/kg
DEG C, density 2.5kg/m2Mm, with a thickness of 3mm, surface area 1m2。
In the above-mentioned glass with electric heating and function of shielding, the thermal capacitance of the interior tempered glass is 837.4J/kg
DEG C, density 2.5kg/m2Mm, with a thickness of 2mm, surface area 1m2。
In the above-mentioned glass with electric heating and function of shielding, the thermal capacitance of the PVB intermediate coat is 1287J/kg DEG C, close
Degree is 1.08kg/m2·mm。
In the above-mentioned glass with electric heating and function of shielding, the PVB intermediate coat with a thickness of 1.14mm.
In the above-mentioned glass with electric heating and function of shielding, the thermal resistance of the heating film outside is 0.0531 DEG C/W.
In the above-mentioned glass with electric heating and function of shielding, heating film to the power of indoor consumption be Pi=△ T/R1·
s；Power of the heating film to outdoor consumption are as follows: Po=△ T/R2·s；Wherein, △ T is the mean temperature difference of heating film and indoor and outdoor；R1
For heating film outside thermal resistance；R2For heating film indoor thermal resistance；S is the surface area of outdoor tempered glass.
In the above-mentioned glass with electric heating and function of shielding, the heat of consumption during which is heated to 0 DEG C from -18 DEG C
Amount is QC=(d2+d8) ρg·Cg+d4·ρp·Cp；Wherein, d2 is the thickness of outdoor tempered glass, and d8 is outdoor tempering glass
The thickness of glass, ρgFor the density of outdoor tempered glass, Cg is the thermal capacitance of outdoor tempered glass, ρpFor the density of PVB intermediate coat, Cp
For the thermal capacitance of PVB intermediate coat.
Compared with prior art, the present invention has the following advantages:
1) chemically toughened glass hierarchical design is used, outdoor tempered glass is plated in inner surface, room using IT0 Transparent shielding film
Interior tempered glass is plated in inner surface using heating film, and middle layer uses PVB film, and temperature sensor is placed in ITO screened film and PVB film
Between, glass surface temperature is perceived in due course.
2) D.C. resistance between any part 1cm of the ITO shielding film surface of outdoor interior surfaces of glass is not more than 4 Ω, when
When on electromagnetic wave incident to film-coated shielding glass, the ITO screened film induced current of outdoor tempered glass inner surface, ITO screened film
By electromagnetic wave shielding, respectively by other copper-foil conducting electricities, conductive rubber, metal car body on outdoor tempered glass periphery by surface sense
It answers electric current to imported into the earth, achievees the purpose that electromagnetic shielding, while glass transmission rate is not less than 70%.
3) indoor glass inner surface is plated with heating film, and the upper and lower edge of tempered glass is respectively arranged silk-screen silver paste indoors
It is connected by conducting wire with temperature controller with busbar, the temperature sensor being installed in glass sandwich is for detecting electric heating glass
The temperature of glass is sent in temperature controller after converting temperature signal, is compared by the preset temperature point set with controller
Come control heating glass electric current on-off, thus realize determine temperature control system, automatically by glass temperature control be 25~33 DEG C
State.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the glass provided in an embodiment of the present invention with electric heating and function of shielding；
Fig. 2 is glass fitting structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is electrically heated glass control principle drawing provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, embodiment in the present invention and
Feature in embodiment can be combined with each other.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
A kind of glass with electric heating and function of shielding is mainly by copper-foil conducting electricity 1, outdoor tempered glass 2, ITO screened film
3, PVB intermediate coat 4, busbar 5, silk-screen silver paste 6, heating film 7, indoor tempered glass 8, silk-screen black surround 9, lead-out wire 10, temperature
Sensor 11 forms, and a kind of structure of the glass with electric heating and function of shielding is as shown in Figure 1.
1) copper-foil conducting electricity 1 (width 6-8mm) packet is set to the outer circumference end of outdoor tempered glass 2, a surface of copper-foil conducting electricity 1 with
One surface of ITO screened film 3 is affixed；
2) surface (inner surface) for outdoor tempered glass 2 is connected by ITO screened film 3 with a surface of PVB intermediate coat 4
Patch；
3) another surface of PVB intermediate coat 4 is connected by heating film 7 with a surface of indoor tempered glass 8；
4) 6 one surface of silk-screen silver paste is sintered the inner surface (upper/lower terminal has) of tempered glass 8 indoors, with heating film 7
It is closely coupled；
5) another surface of silk-screen silver paste 6 is affixed with busbar 5 (upper/lower terminal has) surface, another surface of busbar 5
It is affixed with PVB intermediate coat 4；
6) silk-screen black surround 9 applies periphery (width 2cm-3cm, the preferred width for being set to the inner surface of outdoor tempered glass 2
3.3cm)；
7) one end of lead-out wire 10 is connected with busbar 5, and the other end is connected with temperature controller；
8) temperature sensor 11 is set between heating film 7 and PVB intermediate coat 4.
9) chemically toughened glass hierarchical design is used, outdoor tempered glass 2 is plated in inner surface using ITO screened film 3, indoor
Tempered glass 8 is plated in inner surface using heating film 7, and middle layer uses PVB intermediate coat 4, temperature sensor 11 be placed in heating film 7 with
Between PVB intermediate coat 4, the temperature between outdoor tempered glass 2 and indoor tempered glass 8 is perceived in due course, it is prevented to be in higher temperatures
Degree state (such as 60 DEG C) leads to 4 aging of PVB intermediate coat, denaturation, influences adhesive property.
10) D.C. resistance between any part 1cm on 3 surface of ITO screened film of 2 inner surface of outdoor tempered glass is little
When 4 Ω, electromagnet shield effect can meet not less than 27.6dB, outdoor when electromagnetic wave incident is to outdoor 2 surface of tempered glass
3 induced current of ITO screened film of 2 inner surface of tempered glass, ITO screened film 3 shield electromagnetic wave.Induced current passes through respectively
Copper-foil conducting electricity 1, other copper-foil conducting electricities, conductive rubber, the metal car body for crossing 2 periphery of outdoor tempered glass imported into the earth, reach
The purpose of electromagnetic shielding, while a kind of glass transmission rate with electric heating and function of shielding is not less than 70%.
11) indoor 8 inner surface of tempered glass is plated with heating film 7, and the upper and lower edge of tempered glass 8 is respectively arranged indoors
Silk-screen silver paste 6 is connected by conducting wire 10 with temperature controller with busbar 5, and temperature controller transmits electric current to remittance by conducting wire 10
Item 5 is flowed, electric current is then passed into silk-screen silver paste 6 by busbar 5, electric current is passed into heating film after 6 conduction of silk-screen silver paste
7, heating film 7 to be heated to indoor tempered glass 8 and outdoor 2 two blocks of glass of tempered glass, be installed on heating film 7 with
Temperature sensor 11 between PVB intermediate coat 4 is used to detect a kind of glass with electric heating and function of shielding, by temperature
It is sent in temperature controller after signal conversion, is compared by the preset temperature point set with temperature controller come pilot 10
The on-off of electric current determines temperature control system to realize, automatically by a kind of glass temperature with electric heating and function of shielding
Control the state at 25~33 DEG C.
1) when line resistance X=4 Ω/ of ITO screened film 3, by the reflectivity R=of electromagnetic wave | (377-X)/(377+X) |,
Electromagnet shield effect SE=20lg (1-R), can obtain, and electromagnet shield effect SE is about 27.6dB.Since 3 thickness of ITO screened film is got over
Thick its line resistance X is smaller, and electromagnet shield effect SE is better, but 3 thickness of ITO screened film is thicker, and will affect described one kind has
Therefore the light transmittance of the glass of electric heating and function of shielding when line resistance X≤4 Ω/ of the ITO screened film 3 of selection, can expire
Sufficient electromagnet shield effect SE is not less than 20dB, and light transmittance is not less than 70%.
2) thermal capacitance of outdoor tempered glass 2, indoor tempered glass 8: Cg=837.4J/kg DEG C；Density: ρg=2.5kg/
m2·mm；The thermal capacitance of PVB intermediate coat 4: Cp=1287J/kg DEG C, density: ρp=1.08kg/m2·mm；Outdoor tempered glass 2
Thickness d 2=3mm；Outdoor 8 thickness d 8=2mm of tempered glass；4 thickness d 4=1.14mm of PVB intermediate coat；Outdoor tempered glass 2,
Outdoor 8 surface area S=1m of tempered glass2；7 outside thermal resistance R of heating film1=0.0531 DEG C/W；7 indoor thermal resistance R of hotting mask2=
0.128℃/W。
According to above parameters, during heating, the mean temperature difference of heating film 7 and indoor and outdoor is 9 DEG C, then heats
Power of the film 7 to indoor consumption are as follows: Pi=△ T/R1S=70.3W/m2；Power of the heating film 7 to outdoor consumption are as follows: Po=△
T/R2S=169.5W/m2；A kind of glass with electric heating and function of shielding is heated to during 0 DEG C from -18 DEG C
The heat Q of consumptionC=(d2+d8) ρp·Cg+d4·ρpCp=216937J；Described one kind is had electric heating by 20min
0 DEG C, which is heated to, from -18 DEG C with the glass of function of shielding needs power P c=QC/ hS=180.8W/m2；A kind of then tool
The power summation for having the glass of electric heating and function of shielding to consume is P=Pi+Po+Pc=420.6w/m2；Therefore, synthesis is various
Actual condition, a kind of power with the consumption of the glass of electric heating and function of shielding use 450w/m2, environment can be met
It is at least that the frost of 80% area in the area A is cleared in 20min when temperature is -18 DEG C ± 3 DEG C.
Anti-nuclear electromagnetic pulse function mainly by a kind of glass with electric heating and function of shielding, vehicle body window frame,
Copper-foil conducting electricity, flat, conductive adhesive tape etc. are realized, as shown in Fig. 2, specific as follows:
1) vehicle body window frame by steel bending part welding be made, flat be it is detachable, convenient for broken glass carry out
Maintenance and replacement；
2) vehicle body sash frame surface sprays conductive coating, in a kind of glass sandwich with electric heating and function of shielding
The copper-foil conducting electricity 1 that ITO screened film 3 is drawn is connected by additional copper foil with vehicle body window frame conductive coating, realizes described one kind
The electric continuity of glass and vehicle body window frame with electric heating and function of shielding；
3) conductive adhesive tape is set between a kind of glass and pressing plate with electric heating and function of shielding described in, is played anti-
Dirt, rain-proof and realization vehicle body window frame and the electrically continuous effect of flat；
4) a kind of glass with electric heating and function of shielding described in can according to actual use demand to relative dimensions into
Row adjustment, meets the needs of different purposes.
2, the implementation of electric heating function
Electric heating function mainly by a kind of glass with electric heating and function of shielding, input power, conducting wire 10,
Temperature controller etc. realizes that temperature controller can control front windshield, front wall quarter light glass, car door fixed glass, vehicle simultaneously
Door overturning glass, side wall quarter light glass, the control of 5 tunnels is independent control, is independent of each other, as shown in figure 3, specific as follows:
1) the temperature controller temperature set-point is (25 ± 1) DEG C~(33 ± 1) DEG C, i.e., when glass temperature is lower than 25 ± 1
DEG C when, begin to warm up, when temperature is raised to 33 ± 1, stop heating, glass natural cooling at this time, when temperature is down to 25 DEG C, then
It begins to warm up, continuous loop control；
2) temperature sensor 11 being installed in a kind of glass sandwich with electric heating and function of shielding will be believed
Number conversion after be sent in temperature controller, temperature controller controlled by be compared with preset temperature and then described in one kind
The on-off of glass electric current with electric heating and function of shielding, automatically described one kind of control has electric heating and function of shielding
Glass temperature in a certain range；
3) heating film 7 realizes the electricity to a kind of glass with electric heating and function of shielding by the electric current of input
Heating function, to play the role of defrosting-defogging；
4) there are " power supply " indicator light, " heating " indicator light in temperature controller, after control power supply obtains electric, " power supply " instruction
Lamp (green) is bright；When a kind of glass with electric heating and function of shielding is in heated condition, " heating " indicator light
(red) is bright, and temperature after reaching the upper limit, stops heating, and " heating " indicator light (red) goes out；When temperature signal exception, " failure " indicator light
(Huang) is bright, and after signal restores normal, " failure " indicator light (Huang) goes out, and restores normal operating conditions automatically.
The invention is suitable on the driver's cabin of special car of new generation, can be used for the front windshield wind of driver's cabin, front wall quarter window,
Car door fixes window, car door tilt window etc., electromagnetic pulse-resisting, electric heating function integrated design windscreen can be improved personnel and
The battlefield living environment of electronic equipment.It can achieve the effect that as follows:
1) anti-nuclear electromagnetic pulse ability: in field strength peak value 50kv/m, rising edge 2.5ns, halfwidth 23ns (double exponential waves)
High-altitude nuclear detonation electromagnetic pulse environment in screening ability be not less than 20dB；
2) electric heating ability: when environment temperature is -18 DEG C ± 3 DEG C, at least by the frost of 80% area in the area A in 20min
It is cleared, it is at least that the frost of 95% area in the area B is cleared in 40min；At least by 80% area in the area A and the area B in 10min
Mist is cleared.
Embodiment described above is the present invention more preferably specific embodiment, and those skilled in the art is in this hair
The usual variations and alternatives carried out in bright technical proposal scope should be all included within the scope of the present invention.
Claims (10)
1. a kind of glass with electric heating and function of shielding, characterized by comprising: copper-foil conducting electricity (1), outdoor tempered glass
(2), ITO screened film (3), PVB intermediate coat (4), busbar (5), silk-screen silver paste (6), heating film (7), indoor tempered glass
(8), silk-screen black surround (9), lead-out wire (10) and temperature sensor (11)；Wherein,
Copper-foil conducting electricity (1) packet is set to the outer circumference end of the outdoor tempered glass (2)；
One surface of the outdoor tempered glass (2) passes through a surface of the ITO screened film (3) and the PVB intermediate coat (4)
It is connected；
The surface that another surface of the PVB intermediate coat (4) passes through the heating film (7) and the indoor tempered glass (8)
It is connected；
The busbar (5) and the silk-screen silver paste (6) are all set in the PVB intermediate coat (4), the silk-screen silver paste (6)
A surface be connected with the heating film (7), another surface of the silk-screen silver paste (6) is connected with the busbar (5)；
The silk-screen black surround (9) applies the periphery for being set to the inner surface of the outdoor tempered glass (2)；
One end of the lead-out wire (10) is connected with the busbar (5), and the other end is connected with temperature controller；
The temperature sensor (11) is set between ITO screened film (3) and PVB intermediate coat (4).
2. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: temperature controller passes through
Lead-out wire (10) transmitting electric current gives busbar (5), then passes to electric current silk-screen silver paste (6) by busbar (5), silk-screen silver
Electric current is passed to heating film (7) after slurry (6) is conductive, heating film (7) is to indoor tempered glass (8) and outdoor tempered glass
(2) two blocks of glass are heated, and temperature sensor (11) detects the temperature of electrically heated glass, are sent to after temperature signal is converted
In temperature controller, compared by the preset temperature point set with temperature controller control heating glass electric current on-off, from
And realize and determine temperature control system, automatically glass temperature is controlled in the state for 25~33 DEG C.
3. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: the ITO screened film
(3) line resistance is not more than 4 Ω, and electromagnet shield effect, which meets, is not less than 27.6dB, and light transmittance is not less than 70%.
4. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: the outdoor tempering glass
The thermal capacitance of glass (2) is 837.4J/kg DEG C, density 2.5kg/m2Mm, with a thickness of 3mm, surface area 1m2。
5. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: the interior tempering glass
The thermal capacitance of glass (8) is 837.4J/kg DEG C, density 2.5kg/m2Mm, with a thickness of 2mm, surface area 1m2。
6. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: the PVB intermediate coat
(4) thermal capacitance is 1287J/kg DEG C, density 1.08kg/m2·mm。
7. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: the PVB intermediate coat
(4) with a thickness of 1.14mm.
8. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: the heating film (7)
The thermal resistance of outside is 0.0531 DEG C/W.
9. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: heating film (7) is to room
The power of interior consumption is Pi=△ T/R1·s；Power of the heating film (7) to outdoor consumption are as follows: Po=△ T/R2·s；Wherein, △ T
For the mean temperature difference of heating film (7) and indoor and outdoor；R1For heating film (7) outside thermal resistance；R2For heating film (7) indoor thermal resistance；
S is the surface area of outdoor tempered glass.
10. the glass according to claim 1 with electric heating and function of shielding, it is characterised in that: the glass is from -18 DEG C
The heat consumed during being heated to 0 DEG C is QC=(d2+d8) ρg·Cg+d4·ρp·Cp；Wherein, d2 is outdoor tempering glass
The thickness of glass (2), d8 are the thickness of outdoor tempered glass (8), ρgFor the density of outdoor tempered glass, Cg is outdoor tempered glass
Thermal capacitance, ρpFor the density of PVB intermediate coat (4), Cp is the thermal capacitance of PVB intermediate coat (4).
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| CN201910231820.4A CN109862639B (en) | 2019-03-26 | 2019-03-26 | Glass with electric heating and shielding functions |
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| CN112339369A (en) * | 2020-11-13 | 2021-02-09 | 江苏长欣车辆装备有限公司 | Automobile protective glass and manufacturing process thereof |
| CN113027017A (en) * | 2021-05-31 | 2021-06-25 | 天津包钢稀土研究院有限责任公司 | Anti-condensation heating temperature-control laminated heat-insulation glass curtain wall |
| CN113027016A (en) * | 2021-05-31 | 2021-06-25 | 天津包钢稀土研究院有限责任公司 | Anti-condensation heating temperature-control glass curtain wall for passive room |
| CN114055871A (en) * | 2021-11-23 | 2022-02-18 | 江苏铁锚玻璃股份有限公司 | Lightweight bulletproof glass with radar stealth and electromagnetic shielding functions |
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| CN113027017B (en) * | 2021-05-31 | 2021-08-24 | 天津包钢稀土研究院有限责任公司 | Anti-condensation heating temperature-control laminated heat-insulation glass curtain wall |
| CN114055871A (en) * | 2021-11-23 | 2022-02-18 | 江苏铁锚玻璃股份有限公司 | Lightweight bulletproof glass with radar stealth and electromagnetic shielding functions |
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