The double glazing of built-in film plastic cement liquid crystalTechnical field
The utility model is related to the first glass in a kind of double glazing of built-in film plastic cement liquid crystal, double glazing componentA film plastic cement liquid crystal is provided with plate or the second glass plate, the utility model is used for building doors and windows and glass curtain wall.
Background technology
Double glazing is a kind of energy-saving product, is widely applied in recent years in the whole world, standard GB/T/T11944-2012 has carried out specification to such product, such product sound insulation, it is heat-insulated in terms of have excellent characteristic.ButIn use, due to demand of the people to visible ray, double glazing typically keeps good visible light penetrability；And double glazing is producedProduct also only maintain this permeability status to visible ray, visible ray can not be regulated and controled substantially once be made, and visible ray is accounted forMore than the 40% of sunshine gross energy, the use that can adjust the Sun-shading type product of visible light-transmissive amount necessitates.Chinese patent200720096142.8 disclose the door and window of hollow glass built-in blinds, including constitute the framework of door and window, lifting groove, louvre blade andDouble glazing；The patent can stop light and the sight of people when necessary, still, the device visually with operation exist lackFall into, processing technology is complicated, fault rate is high.
United States Patent (USP) 4671618 proposes a kind of film plastic cement liquid crystal, also referred to as polymer dispersed liquid crystal films, PALC, tuneLight film, is referred to as film plastic cement liquid crystal, and film plastic cement liquid crystal includes a liquid crystal-plastic cement sandwich layer and two transparent conductive filmsTop layer.The electroluminescent liquid-crystal atomizing glass occurred in recent years, or dimming glass（Switchable Transparent Glass）,It is that transparency glass plate is set in film plastic cement liquid crystal both sides, alive switching is applied by control and existed to adjust the light of incidenceChange between transmission and scattering, so as to control electroluminescent liquid-crystal atomizing glass in pellucidity and spray pattern（Ground glass state）ItBetween change.Such as disclosed in Chinese patent 200820118099.5 electroluminescent liquid-crystal atomizing glass is exactly that one kind of foregoing invention is actualUsing being generally used for indoor partition, it is impossible to be used in the outdoor products such as door and window, curtain wall.Accordingly, it is desirable to provide a kind of both with electroluminescentLiquid-crystal atomizing function, but also with the double glazing of the built-in film plastic cement liquid crystal of energy-saving effect.
The content of the invention
The purpose of this utility model is to provide in a kind of double glazing of built-in film plastic cement liquid crystal, double glazing componentThe first glass plate or the second glass plate on be provided with a film plastic cement liquid crystal, film plastic cement liquid crystal edge extends to transparentIn sealant layer in double glazing component, described strip electrode is located in the sealant layer of the joint portion.Pass through controlAlive switching is applied, the incident light of regulation changes between transmission and scattering, so as to control double glazing in pellucidityAnd spray pattern（Ground glass state）Between change, the double glazing also has an iris action to ultraviolet light, and with goodSound insulation well, heat-insulating property.
The purpose of this utility model is realized by following technical proposals：A kind of hollow glass of built-in film plastic cement liquid crystalGlass, including transparent cavity glass component, interior road glue-line and outer course glue-line the composition sealant layer of the transparent cavity glass component,It is characterized by：A plastic cement type is provided with the first glass plate or the second glass plate in the transparent cavity glass componentLiquid crystal film, the film plastic cement liquid crystal is arranged on first glass plate or the second glass plate towards dry air layer sideOn surface；Described film plastic cement liquid crystal includes a liquid crystal-plastic cement sandwich layer and two transparent conductive film top layers, describedThe strip electrode of uniform electric field can be produced by being respectively arranged with two transparent conductive film top layers；The side of the film plastic cement liquid crystalPortion is extended in the sealant layer of the transparent cavity glass component, and described strip electrode is located in the sealant layer.
Compared with the prior art the utility model has the following advantages that：
1st, the utility model fusion double glazing and film plastic cement liquid crystal technology, make double glazing both maintain daylighting goodFeature, the principle that make use of scattering and transmission of the film plastic cement liquid crystal to incident visible ray to be adjusted again, realizes and applies electricityIt is in spray pattern to press transparent state, power-off, to realize shade function.
2nd, the utility model using film plastic cement liquid crystal when power is off, to incident visible light scattering, increase incides theVisible angle of light on one transparency glass plate, according to fresnel formula, reflectivity thus strengthens, and reduces the transmission of visible rayAmount.Meanwhile, when the first transparency glass plate uses coated glass, film layer has high index of refraction, and refringence increase is further realNow to the barrier of visible light energy.
3rd, the utility model utilizes scattering and transmission of the film plastic cement liquid crystal to incident ray, reaches the homogenizing to lightEffect, prevents dazzle, reduces white pollution.
4th, the edge and electrode of film plastic cement liquid crystal of the present utility model are located in sealant layer, and have the close of fluid sealantEnvelope, can effectively protect film plastic cement liquid crystal not corroded by external environment condition, strengthen use intensity, and reinforced insulation performance improves safetyProperty, and it is attractive in appearance.
5th, the utility model changes the permeability of hollow transparent glass, fast response time, Ke Yi using electric control modeRealize that moment changes in 100 milliseconds of times.
6th, the utility model belongs to capacitive load, and power consumption is small, performance is stable and long lifespan.
7th, the film plastic cement liquid crystal surface in the utility model can post fenestrated membrane, solar film, automobile film, increase decorationEffect and function is used, meet the individual demand of user.
8th, the utility model can be applied to Architecture Outer Curtain Wall, and can be used simultaneously as projection screen.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the edge structural representation of embodiment one of the present utility model；
Fig. 3 is the structural representation of embodiment two of the present utility model；
Fig. 4 is the edge structural representation of embodiment three of the present utility model；
Fig. 5 is strip electrode set location schematic diagram of the present utility model.
Embodiment
Embodiment one：
Referring to Fig. 1（Fig. 1 shows the cross-sectional structure of the double glazing of the present embodiment）, built-in plastic cement of the present utility modelThe double glazing of type liquid crystal film, including transparent cavity glass component, the interior road glue-line 6 and outer course of the transparent cavity glass componentGlue-line 7 is constituted to be provided with the first glass plate 1 or the second glass plate 2 in sealant layer, the transparent cavity glass componentOne film plastic cement liquid crystal 3, the film plastic cement liquid crystal is arranged on first glass plate or the second glass plate direction is driedOn the surface of air layer side；Described film plastic cement liquid crystal includes a liquid crystal-plastic cement sandwich layer and two transparent conductive filmsThe strip electrode of uniform electric field can be produced by being respectively arranged with top layer, two described transparent conductive film top layers；The plastic cementThe edge of type liquid crystal film is extended in the sealant layer of the transparent cavity glass component, and described strip electrode is located at described closeIn adhesive layer.
Transparent cavity glass component belongs to prior art, and common structure is the clear glass being be arranged in parallel with two panelsKeep setting the interval box of aluminium alloy between plate, two panels transparency glass plate between 6-27 millimeters of spacing, two panels transparency glass plate,Bulkhead is typically to be spliced to form by four frames（Interval box outline is typically rectangle）, the length or width of interval box outlineDegree size is typically smaller than 6-20 millimeters of the length or width dimensions of transparency glass plate outline, and two sides of interval box are respectivelyPass through butyl rubber and two panels transparency glass plate seal bond（The bonding way at the position is referred to as interior road glue-line）, two panels clear glassFilling silicone adhesive sealing in the groove formed between plate surrounding, or polyurethane glue sealing（The filling mode at the position is referred to as outerRoad glue-line）, space between two panels transparency glass plate is full of dry air, argon gas or Krypton as dry air layer, in it.
In the present embodiment, the film plastic cement liquid crystal 3 is installed（Paste）The second glass plate towards dry air layer 4 sideSurface on；Strip electrode 31 is provided with one edge of the film plastic cement liquid crystal；Film plastic cement liquid crystal is with bar shaped electricityThe edge of pole is extended in the outer course glue-line 7 of the sealant layer in the transparent cavity glass component（Referring to Fig. 2, only show in figureA strip electrode is shown, another strip electrode is not shown in the diagram）, the described part of strip electrode 31 is located at described closeIn the interior road glue-line 6 of adhesive layer, another part is located in the outer course glue-line 7 of the sealant layer（Or be referred to as being embedded in sealingIn glue-line）；The sealant layer that other edge of the film plastic cement liquid crystal are extended in the transparent cavity glass componentOuter course glue-line in 7, can also extend only into 6 in the interior road glue-line of the sealant layer in the transparent cavity glass component（Do not shown in figure）.Such design feature, not only effectively protects film plastic cement liquid crystal not by external environment influence, enhancing is usedIntensity, reinforced insulation performance improves security.If the edge of film plastic cement liquid crystal does not extend to interval box and the second glassIn the sealant layer of plate, and it is placed in the region inside interval box, in this sampling technology, precision is not easily controlled first, is difficultOperation, using effect may not only be influenceed, also with interval box formation certain distance by controlling the edge of bad film plastic cement liquid crystalThe attractive in appearance of the present embodiment product can be influenceed；Strip electrode is located at the set-up mode in sealant layer, using in hollow glass structureSealant layer both ensure that described film plastic cement liquid crystal edge and the insulating properties of strip electrode, in turn ensure that liquid crystal layer is sealedEffect, extends service life.
For the convenience of control, the strip electrode is electrically connected by wire with a controller, does not have display to lead in accompanying drawingLine and controller.In another embodiment, film plastic cement liquid crystal may be mounted at the first glass plate towards dry air layer oneOn the surface of side, correspondingly, film plastic cement liquid crystal edge is extended in the sealant layer between interval box and the first glass plate.ForInstall and be provided with wire connector in the convenience in manufacture, the interval box；The wire connector is used for film plastic cement liquid crystalOn strip electrode and external wire and controller electrical connection.
In the present embodiment, interval box 5 includes two long frames and two short frames, frame rectangular in cross-section, by thisFour frames are spliced into rectangular frame.The side of interval box passes through interior road glue-line and film plastic cement liquid crystal or the second glass plate cementationTogether, interval box opposite side and the first glass plate by interior road glue-line cementation together；Referring to Fig. 2, in the present embodiment, outer courseThe design width of glue-line 7 is 5 millimeters -30 millimeters, and the design width of interior road glue-line is 4 millimeters -20 millimeters；Due to plastic cement type liquid crystalFilm is Nian Jie with sealant layer can not to meet the intensity requirement of double glazing, and passes through the bonding guarantor between outer course glue-line and glassDouble glazing intensity is held, the bonding plane width of the direct contact of outer course glue-line and the second glass plate is 3-25 millimeters.
The design width of outer course glue-line 7 refers to from first（Or second）Glass plate outer to interval box outer distance,The design width of interior road glue-line 6 refers to interval box outer to the distance on edge in interval box.The edge of film plastic cement liquid crystal refers to bagInclude the region including edge, the width of the width not less than strip electrode in the region is with strip electrode to edge apart from sum.Referring to Fig. 5, in the present embodiment, the width of strip electrode is 5-10mm, and strip electrode is arranged at the edge of film plastic cement liquid crystal, barThe edge of shape electrode is flushed with the edge of film plastic cement liquid crystal, and distance is zero, and the border region width of film plastic cement liquid crystal is 1-20mm, the border region width for being provided with the film plastic cement liquid crystal of strip electrode is 5-20mm.It is described in another embodimentLow emissivity film layer is set on the outer surface of film plastic cement liquid crystal.It is provided with to install in the convenience in manufacture, the interval boxWire connector；Strip electrode and external wire that the wire connector is used on film plastic cement liquid crystal and controller are electrically connectedConnect.
Ordinary insulating glass is to have good iris action to heat transfer and infra-red radiation, with good energy-saving effect,But to the no adjustment effect of radiation of visible ray.The utility model changes incidence in energization and power-off using film plastic cement liquid crystalVisible angle of light on to the first transparency glass plate, according to fresnel formula（See formula（1）-（4））, film plastic cement liquid crystal existsDuring "on" position, film plastic cement liquid crystal, through dry air layer, incides the first transparency glass plate to incident visible transmissionOn the incidence angle i1 of visible ray do not change, refraction angle i2 does not also change, amplitude reflectance rs and light intensity emissivityRs is also basically unchanged, it is seen that the transit dose of light is substantially unaffected；When film plastic cement liquid crystal is in off-position, plastic cement type liquid crystalFilm, through dry air layer, incides the incidence angle i1 of the visible ray on the first transparency glass plate to incident visible light scatteringIncrease, refraction angle i2 also increases therewith, amplitude reflectance rs increases, and the mist degree of off-position is increased, also, works as incidence angleWhen i1 is more than a certain critical value, intensity reflectance Rs also increases therewith, and luminous flux is reduced to a certain extent, realizes to visible luminous energyThe barrier of amount.
Formula（1）
Formula（2）
Formula（3）
Formula（4）
Wherein, i1 is incidence angle, and i2 is refraction angle, and rs is amplitude reflectance, and Rs is intensity reflectance.
The present embodiment is related to the more detailed structure of film plastic cement liquid crystal in itself and may refer to open source literature in prior artUnderstood.The signified film plastic cement liquid crystal of the present embodiment is the product being made according to United States Patent (USP) 4671618,4678255,Referred to as polymer dispersed liquid crystal films, PDLC, PALC, light modulation film, are referred to as film plastic cement liquid crystal.
In the present embodiment, in order to be controlled to film plastic cement liquid crystal, being provided with described transparent conductive film canProduce the strip electrode of uniform electric field（Referring to Fig. 5）, the strip electrode electrically connected by metal knitted wire with a controller（Do not shown in figure）.The technology contents belong to prior art category, can be by reading Chinese patent 200820118099.5Disclosure is understood, is not described here in detail.
In the present embodiment, when applying voltage to film plastic cement liquid crystal, the visible ray of the incident double glazing is transmitted,The transparent state of double glazing；When removing the voltage applied, the visible ray of the incident double glazing is scattered, and double glazing is inVaporific opaque state, equivalent to frosted glass effects.The utility model be used for high-rise building door and window and glass curtain wall when canTo be referred to as electric curtain glass.
Embodiment two：
The present embodiment is the technical characteristic and embodiment occurred in the improvement project on the basis of embodiment one, the present embodimentOne same or similar part, refer to the disclosure of embodiment one or principle describes to be understood, embodiment oneDisclosure should also be as, as the present embodiment disclosure, description being not repeated herein.
Referring to Fig. 3（Fig. 3 shows the edge structure of the present embodiment）, in the present embodiment, described strip electrode is located at instituteState in the outer course glue-line of sealant layer（It is embedded in outer course glue-line）；Plating is set on first glass plate or the second glass plateFilm layer.In the present embodiment, the film plastic cement liquid crystal is fixed by double-sided adhesive paste layer on the second glass plate.Outside the interval boxIt is 5 millimeters -20 millimeters along the outer away from the second glass plate, the edge of the film plastic cement liquid crystal for being provided with strip electrode, modelingOuter of the edge of glue-type liquid crystal film away from the second glass plate is 0 millimeter -15 millimeters, and the edge of film plastic cement liquid crystal extends to outer courseIn glue-line, the strip electrode on film plastic cement liquid crystal is embedded in outer course glue-line；For the edge of other film plastic cement liquid crystals, modelingOuter of the edge of glue-type liquid crystal film away from the second glass plate is 5-20mm, and the edge of film plastic cement liquid crystal is located at interior road sealant layerIn inner or outer road sealant layer.In order to install wire connector is provided with the convenience in manufacture, the interval box；The wire connectsThe electrical connection of the strip electrode that plug-in unit is used on film plastic cement liquid crystal and external wire and controller.
In the present embodiment, first glass plate is coated glass（Film plating layer is set on glass plate）, can be heat reflectionGlass or low emissivity glass, such as Low-E glass., can be by second when using the utility model in glass curtain wallContact glass sheet external environment condition, the first contact glass sheet indoor environment；When the first glass plate is coated glass, coated surface is selectedHigh-index material, film plating layer towards dry air layer side；Increase refringence, reflection is further enhanced, haze and resistanceAlso further enhanced every the effect of energy.
Embodiment three：
The present embodiment is the technical characteristic and embodiment occurred in the improvement project on the basis of embodiment one, the present embodimentOne same or similar part, refer to the disclosure of embodiment one or principle describes to be understood, embodiment oneDisclosure should also be as, as the present embodiment disclosure, description being not repeated herein.
Referring to Fig. 4（Fig. 4 shows the edge structure of the present embodiment）, in the present embodiment, described strip electrode is located at instituteState in the interior road glue-line of sealant layer（It is embedded in interior road glue-line）.In the present embodiment, the outer of the interval box is away from the second glassThe outer of glass plate is 5 millimeters -20 millimeters, and outer of the edge away from the second glass plate of film plastic cement liquid crystal is 5 millimeters -25 millimeters,The edge of film plastic cement liquid crystal is extended in interior road glue-line, and the strip electrode on film plastic cement liquid crystal is embedded in interior road glue-line.In the present embodiment, first glass plate is coated glass（Film plating layer is set on glass plate）, can be heat-reflecting glass, also may be usedTo be low emissivity glass, such as Low-E glass.Wire is provided with order to install the convenience in manufacture, in the interval box to patchPart；The electrical connection of the strip electrode that the wire connector is used on film plastic cement liquid crystal and external wire and controller.