CN102650189A - Heat preservation type sunshade and energy-saving device - Google Patents
Heat preservation type sunshade and energy-saving device Download PDFInfo
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- CN102650189A CN102650189A CN2011100577922A CN201110057792A CN102650189A CN 102650189 A CN102650189 A CN 102650189A CN 2011100577922 A CN2011100577922 A CN 2011100577922A CN 201110057792 A CN201110057792 A CN 201110057792A CN 102650189 A CN102650189 A CN 102650189A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
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Abstract
The invention relates to a glass window sunshade device, and particularly discloses a heat preservation type sunshade and energy-saving device. The device comprises a hollow glass body, multiple louvers which are arranged in parallel, and a drive device for driving the louvers to rotate; the internal part of the hollow glass body is formed into a closed cavity; the louvers are installed in the closed cavity; a high absorption rate coating and a high reflectance coating are respectively arranged at the front surface and the back surface of each louver; and a low reflectance plating film is arranged on the cavity wall at one side of the closed cavity facing to outside. According to the device provided by the invention, the high absorption rate coating is combined with the low reflectance plating film, the long wave radiation produced by the louvers and the indoor long wave radiation are reflected to indoor through the low reflectance plating film, thus, the louvers and indoor heat are prevented from losing outwards through the long wave radiation, and a better heat preservation effect can be played.
Description
Technical field
The present invention relates to a kind of glass window solar protection devices, be specifically related to a kind of thermal-insulating type sun shading and energy-saving device.
Background technology
Building is exposed under the different outdoor weather conditions throughout the year, and normally Xia Redong is cold.Yet people hope that indoor temperature can be cool in summer and warm in winter, if rely on air-conditioning system or heating system fully, that is with power consumption very.So it is just very necessary to make up energy saving building, shading system just plays crucial effects in existing energy efficient building.
The shading system of main flow mainly is divided into external sunshade system, internal sunshade system and breathes the curtain wall shading system now.These three kinds of shading systems respectively have its pluses and minuses:
Wherein, the external sunshade system is single sees it is a better solution from thermal technology's angle, solar radiant heat is shielded outdoor fully, but external sunshade also just like dust stratification, poor reliability, be difficult for that maintenance, influence are attractive in appearance, can't effectively utilize shortcomings such as the sun winter;
Wherein, the internal sunshade system has solved the shortcoming of external sunshade system, but from thermal technology's angle; Do not play due effect; Solar radiation heating sunbreaker, heat still is retained in indoor, and internal sunshade also has such as shortcomings such as dust stratification, rapid wear, unmanned adjustings in addition;
Wherein, breathe the advantage that curtain wall system has kept external sunshade, also improved the reliability of external sunshade, but also just like dust stratification, can't heat extraction, significantly shortcoming such as involve great expense.Therefore, problems such as dust stratification, heat control, cost height need to be resolved hurrily in the shading system.
The another one problem of sunshade is in the winter time, and sunshade is disadvantageous to building energy conservation.Because be shielded in outdoor by the heat of the sun.How to solve sunshade in the winter time heat problem, be the key of thermal-insulating type sun shading and energy-saving device.
Along with further developing of prior art; Nowadays the improvement of middle sunshade has been arranged again in the shading system; Like Chinese publication number is that the patent of invention of CN 101285368A discloses a kind of heat insulation and sunshade type double-layer window; It is that outer window and internal layer window are installed on same external window of building hole, and outer window window frame and internal layer window window frame link into an integrated entity with reinforcing rib, to improve the resisting wind press capacity of whole window; Electronic or manual built-in heat insulation curtain and built-in abat vent are installed in the spaced cavities between outer window and internal layer window, and the internal layer window-glass is thin slightly, and outer window-glass is thick slightly.This patent is provided with two kinds of curtains, and the effect of insulation and sunshade is arranged respectively, can cause then that in the winter time unnecessary heat scatters and disappears, and that is to say that its heat energy of blinds once heated can outwards run off through long-wave radiation, and heat insulation effect is undesirable.
The patent of invention that and for example Chinese publication number is CN 101519947A discloses the hollow glass shutter that there is the louvre blade of heat-reflecting layer on a kind of surface and this louvre blade is installed; Equally; The blinds of this patent its heat energy after heating can outwards run off through long-wave radiation, and heat insulation effect is also undesirable.
The patent of invention that and for example Chinese publication number is CN 1908358A discloses a kind of energy-saving sun-shading hollow glass device; Comprise hollow glass; Be provided with sun blind in the hollow glass body and draw in or the haulage gear of lowering in order to the control sun blind; This patent of invention has been ignored sun blind and has been heated up through after the solar radiation, and the blinds of intensification can transmit heat to the produced simultaneously long-wave radiation of indoor and outdoors.If the long-wave radiation to blinds is not controlled, in the winter time causes heat can't the row of concentrating to indoor, can't the long-wave radiation Btu utilization that sun blind self produce be got up.In summer, the long-wave radiation heat is freely in the inlet chamber, thereby subdued the effect of heat insulation of sunshade.
The utility model patent that and for example Chinese publication number is CN 200996245Y discloses a kind of double-deck adhesive film type energy-saving window, comprises a window frame, two-layer sash inside and outside installing on the window frame; White clear glass all is housed on the two-layer sash, on indoor glass one side, posts sun control fenestrated membrane at inner layer sash, the mode of closing of opening of above-mentioned ectonexine sash is: two-layer sash all is push-and-pull; Perhaps one deck sash is push-and-pull, and another layer sash opened for flat, and outer layer leaf is that white glass mainly plays the heating effect; This patent is provided with double-deck sash; Conveniently obtaining different-effect, can't regulate yet this patent absorbs the mode of sunlight, can only be the initial mode of exposing to sunlight; From the angle of utilizing sunlight, weak point is arranged, simultaneously not high for the utilization rate of heat yet.
The utility model patent that and for example Chinese notification number is CN 201560697U discloses the shutter in a kind of hollow glass; All be provided with in the upper and lower of shutter and turn over the leaf control structure; Carry out simultaneously the upper and lower when turning over leaf; It is identical to turn over leaf degree upper and lower, has improved covering property, shading coefficient and the heat-insulating property of hollow louver glass, has improved the total energy-efficient performance of hollow louver glass.Yet the same with a lot of solar protection devices, this device produces after absorbing sunlight in a part of inlet chamber of heat of long-wave radiation, yet major part is to be lost to outdoorly, can't effectively utilize, and causes the waste of the energy.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of thermal-insulating type sun shading and energy-saving device of better heat preservation.
For realizing the foregoing invention purpose, technical scheme that the present invention adopts is following:
A kind of thermal-insulating type sun shading and energy-saving device, the drive unit that comprises the blinds that a hollow glass body, multi-disc laterally arrange and drive said blinds upset; The inner hollow of said hollow glass body partly constitutes an airtight cavity; Said blinds is installed in the said airtight cavity; Be respectively arranged with high-absorbility coating and highly reflective coatint at said blinds positive and negative; Said closed chamber dignity is provided with the low-launch-rate plated film to the cavity wall of an outdoor side.
Said thermal-insulating type sun shading and energy-saving device in order to reduce the thermal conductivity of this device, is packaged with inert gas in said airtight cavity.
Said thermal-insulating type sun shading and energy-saving device; In order to make that this device can be from the motion tracking sun; Control end at said drive unit is connected with a central processing unit; Said central processing unit draws sun altitude according to current date and time signal and this longitude and latitude calculated signals of installing actual position, and according to the said drive unit action of said sun altitude signal controlling so that said blinds according to preset angle upset.The longitude and latitude signal that adopts date signal, time signal and install actual position calculates sun altitude, than calculating sun altitude more accurately and reliably according to optical sensor in the prior art.
Said thermal-insulating type sun shading and energy-saving device; In order to make the present invention practical more; Signal input part at said central processing unit also is connected with temperature pick up and optical sensor, and said central processing unit moves so that said blinds overturns according to preset angle according to the temperature signal of said temperature pick up and the said drive unit of illumination signal controlling of said optical sensor.If any environment temperature and illumination signal, can the present invention be set to multiple automatic control mode, such as: daytime in summer; Cloudy day in summer, night in summer, daytime in winter; Cloudy day in winter; Night in winter, the different angle of control blinds upset under each pattern, and then realize how many heats in the conduction inlet chamber is controlled.
Said thermal-insulating type sun shading and energy-saving device; In order to satisfy people for the different demands of interior temperature with light; Signal input part at said central processing unit also is connected with a manual by-pass cock, and the conditioning signal that said central processing unit transmits according to said manual adjustments switch is regulated the flip angle of said blinds.Because the blinds flip angle of pre-set programs control can satisfy the demand of most people for temperature and light, but the sense organ for temperature and light of different people is inequality, in order to satisfy various crowds' needs, so designed the manual adjustments switch.
When the present invention was warming, the high-absorbility coat side of its blinds was towards the sun, can sunshine be refracted into indoorly, improved interior temperature.Simultaneously; The present invention's closed chamber dignity is provided with the low-launch-rate plated film to the cavity wall of an outdoor side; The long-wave radiation of passing through that this layer plated film can intercept blinds and indoor heat is outwards run off; Thereby it is indoor to make that solar heat that blinds absorbs and indoor heat all are retained in, and plays better heat insulation effect.
The present invention adopts the seal chamber design, and the blinds of reflection or refraction sunray is installed in the airtight cavity, has fundamentally solved the dust stratification problem.
Description of drawings
The picture that this description of drawings provided is used for auxiliary to further understanding of the present invention, constitutes the application's a part, does not constitute to improper qualification of the present invention, in the accompanying drawings:
Fig. 1 is the sectional structure sketch map of hollow glass part of the present invention;
Fig. 2 is an electric theory structure sketch map of the present invention.
Diagram:
1, hollow glass body 2, blinds
3, high-absorbility coating 4, highly reflective coatint
5, low-launch-rate plated film 6, drive unit
7, central processing unit 8, temperature pick up
9, optical sensor 10, manual adjustments switch
The specific embodiment
To combine accompanying drawing and practical implementation method to specify the present invention below, be used for explaining the present invention in schematic enforcement of the present invention and explanation, but not as to qualification of the present invention.
Embodiment 1:
Shown in Fig. 1 and 2, present embodiment discloses a kind of preferred implementation, the present invention includes blinds 2 that hollow glass body 1, multi-disc laterally arrange and the drive unit 6 that drives said blinds upset; In order to make that the present invention is more durable and to make things convenient for plated film, hollow glass body 1 is a tempered glass, and blinds 2 is the alloy blinds; Inner hollow at hollow glass body 1 partly constitutes an airtight cavity; Blinds 2 just is installed in this airtight cavity; Be respectively arranged with high-absorbility coating 3 and highly reflective coatint 4 at blinds 2 positive and negatives, closed chamber dignity is provided with low-launch-rate plated film 5 to the cavity wall of an outdoor side; As shown in Figure 1; Sunray 95% left and right sides defendant's absorptivity coating 3 absorbs; Long-wave radiation that blinds 2 produces and indoor long-wave radiation are indoor through low-launch-rate plated film 5 reflected backs; The long-wave radiation of passing through to intercept blinds and indoor heat is outwards run off, and plays better heat insulation effect; In order to reduce the thermal conductivity of this device, in said airtight cavity, be packaged with inert gas.
As shown in Figure 2; The present invention also comprises central processing unit 7, temperature pick up 8, optical sensor 9 and manual adjustments switch 10; Central processing unit 7 is connected the control end of drive unit 5, and temperature pick up 8, optical sensor 9 and manual adjustments switch 10 are connected the signal input part of central processing unit 7; Said central processing unit 7 draws sun altitude according to current date and time signal and this longitude and latitude calculated signals of installing actual position, and according to the said drive unit action of said sun altitude signal controlling so that said blinds according to preset angle upset; Said central processing unit 7 moves so that said blinds 2 overturns according to preset angle according to the temperature signal of said temperature pick up 8 and the said drive unit 6 of illumination signal controlling of said optical sensor 9; Manual adjustments switch 10 is connected the signal input part of said central processing unit 7, and the conditioning signal that central processing unit 7 transmits according to said manual adjustments switch 10 is regulated the flip angle of said blinds 2, to satisfy people for the different demands of interior temperature with light.
Wherein, the design formulas of sun altitude is following:
Sinhs＝sinδsinφ+cosδcosφcosω
In the formula:
Hs: sun altitude (summer blinds angle=sun altitude, winter blinds angle=180-sun altitude)
δ: solar declination
{ (90 ± 23.5)-latitude-y*0.25 (y value then represent with down to, the fate of being separated by Winter Solstice) }
φ: local latitude
ω is a solar hour angle, with local high noon be 0 °, the morning is for negative, per hour-15 °, afternoon is being for just, per hour+15 °, ω per hour is changed on the face under the line=15 °.
The present invention can be operated in manually and automatic two patterns in use.Give central processing unit 7 for a control signal through manual adjustments switch 10 in the time of manually, thereby regulate according to user's demand.Below the pattern of control automatically, the angle of blinds and the optimum control of calculating by the preset program of central processing unit highly fully.
Wherein automatic mode can define according to temperature and the illumination signal that temperature pick up 8 and optical sensor 9 are gathered, and present embodiment is divided into automatic mode: daytime in summer, cloudy day in summer, night in summer, daytime in winter, cloudy day in winter, night in winter.
According to temperature, can judge winter, summer, greater than 20 degrees centigrade be summer, smaller or equal to 20 the degree then be winter;
Be divided into fine day daytime, the cloudy day, when illumination value＞=500lux then is fine, illumination value＜500lux and＞then be cloudy during 100Lux;
Night:, then be night as illumination value＜=100lux.
Mode operating: summer is fine, and winter is fine: blinds is followed the tracks of the sun angle upset highly reflective coatint of blinds (let towards the sun); In summer, the blinds angle is overturn in 0 ° to 90 ° angle at the highly reflective coatint face, can shine by shading light.
In winter, the blinds angle is overturn in 90 ° of-180 ° of angles at the highly reflective coatint face, and simultaneously, the high absorber coatings of blinds can be refracted into illumination indoor towards the sun.
Fig. 1 is the sketch map that the present invention is applied to north of china in winter; The alloy blinds is through being installed on the angle of outdoor sensor from the direct projection of the motion tracking sun, and low reflectance coating is refracted into sunshine indoor outwardly; Increase indoor heat, thereby reduced the load of air-conditioning heating.
North cold weather is main with insulation, and the low-launch-rate plated film can intercept 90% long-wave radiation rate.The heat that indoor heat and blinds produced is retained in indoor, plays the effect of insulation.
Be example below with Beijing, the Beijing area heat supply in winter is about November 15 to March 15 season.The total amount of heat such as the following table of respectively scattering and disappearing through unit area in this section period towards window, unit is (kWh/m2):
To use the present invention and existing two kinds of solar protection devices unit area dispersed heats to subtract each other, and get the present invention with respect to few dispersed heat situation of other two kinds of solar protection devices such as following table, unit is (kWh/m2):
| Type | East orientation | The west to | South orientation | North orientation | Ceiling |
| Common single-glass | 45 | 49 | 50 | 46 | 106 |
| Double layer glass | 13 | 14 | 19 | 9 | 44 |
The few dispersed heat of the present invention is compared with the heat in adopting existing two kinds of solar protection devices inlet chambers, is got relative fractional energy savings and see the following form:
| Type | East orientation | The west to | South orientation | North orientation | Ceiling |
| Common single-glass | 46％ | 49％ | 53％ | 43％ | 63％ |
| Double layer glass | 20％ | 22％ | 30％ | 13％ | 42％ |
In sum, two types of windows were compared energy-conservation situation and were seen the following form unit (kWh/m2) whole year of the present invention and other:
According to actual detected and computational analysis, the main thermal parameter sees the following form:
Annotate:
1.K value is represented the heat-insulating property of window.Low more good more.
2.SHGC represent the sunlight of window to get heat energy power.
Winter is high more good more, and summer is low more good more.
Thermal-insulating type sun shading and energy-saving device solves of the present invention for a long time the shading system heat insulation effect can't reach the problem of expection; Owing to adopted the coating of high-absorbility; Winter, sunlight heat was obtained the common blinds increase by 80% of coefficient ratio, increased about 38% than common low-launch-rate plated film double window.The another one aspect, at night in the winter time, blinds is closed automatically, has avoided indoor heat radiation to arrive outdoor.When blinds was closed, blinds can also reach comparison considerable energy saving emission reduction effect simultaneously in off position, and the heat transfer property of glass window is almost suitable with the triplex glass window, and thermal transmittance reduces to 1.33.With this solar protection devices south orientation in winter is example, and Beijing area is in the winter time compared single-glass the present invention and consumed energy and reduce about 53%, compares double layer glass the present invention and consumes energy and reduce about 30%.Therefore, mainly apply to southern sunshade.
The present invention is when summer, and the highly reflective coatint face of blinds is towards the sun, and its blinds angle is overturn in 0 ° of-90 ° of angle at the highly reflective coatint face, plays the effect of sunshade and heat radiation.
More than the technical scheme that the embodiment of the invention provided has been carried out detailed introduction; Used concrete example among this paper the principle and the embodiment of the embodiment of the invention are set forth, the explanation of above embodiment only is applicable to the principle that helps to understand the embodiment of the invention; Simultaneously, for one of ordinary skill in the art, according to the embodiment of the invention, the part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. a thermal-insulating type sun shading and energy-saving device comprises the blinds that a hollow glass body, multi-disc laterally arrange and drives the drive unit that said blinds overturns, and it is characterized in that:
The inner hollow of said hollow glass body partly constitutes an airtight cavity;
Said blinds is installed in the said airtight cavity;
Be respectively arranged with high-absorbility coating and highly reflective coatint at said blinds positive and negative;
Said closed chamber dignity is provided with the low-launch-rate plated film to the cavity wall of an outdoor side.
2. thermal-insulating type sun shading and energy-saving device according to claim 1 is characterized in that:
In said airtight cavity, be packaged with inert gas.
3. thermal-insulating type sun shading and energy-saving device according to claim 1 is characterized in that:
Control end at said drive unit is connected with a central processing unit;
Said central processing unit draws sun altitude according to current date and time signal and this longitude and latitude calculated signals of installing actual position, and according to the said drive unit action of said sun altitude signal controlling so that said blinds according to preset angle upset.
4. thermal-insulating type sun shading and energy-saving device according to claim 3 is characterized in that:
Signal input part at said central processing unit also is connected with temperature pick up and optical sensor;
Said central processing unit moves so that said blinds overturns according to preset angle according to the temperature signal of said temperature pick up and the said drive unit of illumination signal controlling of said optical sensor.
5. thermal-insulating type sun shading and energy-saving device according to claim 3 is characterized in that:
Signal input part at said central processing unit also is connected with a manual by-pass cock;
The conditioning signal that said central processing unit transmits according to said manual adjustments switch is regulated the flip angle of said blinds.
6. thermal-insulating type sun shading and energy-saving device according to claim 1 is characterized in that:
Said hollow glass body is a tempered glass.
7. thermal-insulating type sun shading and energy-saving device according to claim 1 is characterized in that:
Said blinds is the alloy blinds.
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| CN201110057792.2A CN102650189B (en) | 2011-02-28 | 2011-02-28 | Heat preservation type sunshade and energy-saving device |
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| CN201110057792.2A CN102650189B (en) | 2011-02-28 | 2011-02-28 | Heat preservation type sunshade and energy-saving device |
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| CN102650189A true CN102650189A (en) | 2012-08-29 |
| CN102650189B CN102650189B (en) | 2015-06-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015867A (en) * | 2012-11-28 | 2013-04-03 | 于向阳 | Compound soft energy-saving window body |
| CN103089133A (en) * | 2013-01-27 | 2013-05-08 | 司琳琳 | Window economizer |
| CN103089132A (en) * | 2013-01-24 | 2013-05-08 | 俞焱文 | Energy-saving louver blade |
| CN103122734A (en) * | 2013-01-27 | 2013-05-29 | 司琳琳 | Heat collection and thermal insulation energy-saving window |
| CN103774962A (en) * | 2014-02-12 | 2014-05-07 | 河北北方绿野居住环境发展有限公司 | Energy-saving window with low cost and high efficiency |
| CN104049643A (en) * | 2014-06-04 | 2014-09-17 | 北京空间飞行器总体设计部 | Adjustable vacuum thermal-insulation multilayer sunshading and cooling method |
| CN105764768A (en) * | 2013-12-04 | 2016-07-13 | 奥地利西门子公司 | Side window for a passenger compartment in a vehicle |
| CN106014165A (en) * | 2016-05-19 | 2016-10-12 | 重庆大学 | Intelligent control louver sun shading system |
| CN117540634B (en) * | 2023-11-13 | 2024-04-12 | 北京师范大学 | All-weather earth surface uplink long-wave radiation inversion method and device for stationary satellite |
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| CN103015867A (en) * | 2012-11-28 | 2013-04-03 | 于向阳 | Compound soft energy-saving window body |
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| CN103122734A (en) * | 2013-01-27 | 2013-05-29 | 司琳琳 | Heat collection and thermal insulation energy-saving window |
| CN105764768A (en) * | 2013-12-04 | 2016-07-13 | 奥地利西门子公司 | Side window for a passenger compartment in a vehicle |
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| CN103774962B (en) * | 2014-02-12 | 2016-01-13 | 河北北方绿野居住环境发展有限公司 | A kind of low-cost high-efficiency energy saving window |
| CN104049643A (en) * | 2014-06-04 | 2014-09-17 | 北京空间飞行器总体设计部 | Adjustable vacuum thermal-insulation multilayer sunshading and cooling method |
| CN104049643B (en) * | 2014-06-04 | 2015-09-23 | 北京空间飞行器总体设计部 | A kind of adjustable vacuum heat-insulation multilayer sunshading and temperature reducing method |
| CN106014165A (en) * | 2016-05-19 | 2016-10-12 | 重庆大学 | Intelligent control louver sun shading system |
| CN106014165B (en) * | 2016-05-19 | 2018-01-05 | 重庆大学 | A kind of blinds shading system of intelligent control |
| CN117540634B (en) * | 2023-11-13 | 2024-04-12 | 北京师范大学 | All-weather earth surface uplink long-wave radiation inversion method and device for stationary satellite |
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