CN102650189B - Heat preservation type sunshade and energy-saving device - Google Patents
Heat preservation type sunshade and energy-saving device Download PDFInfo
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- CN102650189B CN102650189B CN201110057792.2A CN201110057792A CN102650189B CN 102650189 B CN102650189 B CN 102650189B CN 201110057792 A CN201110057792 A CN 201110057792A CN 102650189 B CN102650189 B CN 102650189B
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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
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
Under building is exposed to different outdoor weather conditions throughout the year, normally Xia Redong is cold.But people wish that indoor temperature can be cool in summer and warm in winter, if rely on air-conditioning system or heating system completely, that is by power consumption very.So build energy saving building just very necessary, in existing energy efficient building, shading system just plays vital effect.
The shading system of present main flow is mainly divided into external sunshade system, internal sunshade system and breathes curtain wall shading system.These three kinds of shading systems respectively have its pluses and minuses:
Wherein, external sunshade system list is a reasonable solution viewed from thermal technology's angle, is shielded in outdoor completely by solar radiant heat, but external sunshade also just like dust stratification, poor reliability, not easily overhaul, affect and attractive in appearance, winter effectively cannot utilize the shortcomings such as the sun;
Wherein, internal sunshade system solves the shortcoming of external sunshade system, but from thermal technology's angle, do not play due effect, solar radiation heating sunbreaker, heat is still retained in indoor, and internal sunshade also has the shortcomings such as such as dust stratification, rapid wear, unmanned adjustment in addition;
Wherein, breathe curtain wall system and remain the advantage of external sunshade, also improve the reliability of external sunshade, but also just like dust stratification, cannot heat extraction, the significantly shortcoming such as involve great expense.Therefore, in shading system, dust stratification, heat control, high in cost of production problems demand solve.
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 had again in shading system, the patent of invention being CN 101285368A as Chinese publication number discloses a kind of heat insulation and sunshade type double-layer window, it installs outer window and internal layer window on same external window of building hole, outer window window frame and internal layer window window frame reinforcing rib link into an integrated entity, to improve the resisting wind press capacity of whole window; Install electronic or manual built-in heat insulation curtain and built-in abat vent in spaced cavities between outer window and internal layer window, internal layer window-glass is slightly thin, and outer window-glass is slightly thick.This patent is provided with two kinds of curtains, has the effect of insulation and sunshade respectively, then can cause unnecessary heat loss in the winter time, and that is to say that heated its heat energy rear of blinds outwards can be run off by long-wave radiation, heat insulation effect is undesirable.
And for example Chinese publication number is that the patent of invention of CN 101519947A discloses a kind of surface and has the louvre blade of heat-reflecting layer and be provided with the hollow glass louver of this louvre blade, equally, the blinds of this patent after the heating its heat energy outwards can be run off by long-wave radiation, and heat insulation effect is also undesirable.
And for example Chinese publication number is that the patent of invention of CN 1908358A discloses a kind of energy-saving sun-shading hollow glass device; comprise hollow glass; sun blind and the haulage gear in order to control sun blind gathering or lowering is provided with in hollow glass body; this patent of invention ignores sun blind and is heating up after solar radiation; the long-wave radiation that the blinds heated up can produce to indoor and outdoors simultaneously, transferring heat.If do not controlled the long-wave radiation of blinds, cause heat cannot concentrate discharged to indoor in the winter time, the long-wave radiation Btu utilization that sun blind self produce cannot be got up.In summer, long-wave radiation heat freely can enter indoor, thus has cut down the effect of heat insulation of sunshade.
And for example Chinese publication number is that the utility model patent of CN 200996245Y discloses a kind of energy-conserving window of diaphragm type of pair of laminating, comprise a window frame, window frame is installed inside and outside two-layer sash, two-layer sash is all equipped with white tiles clear glass, Solar control window film is posted in the glass side of inner layer sash towards indoor, the closedown mode of opening of above-mentioned ectonexine sash is: two-layer sash is all push-and-pull, or one deck sash is push-and-pull, another layer of sash is opened for flat, outer layer leaf is that white glass mainly plays warming functions, this patent is provided with double-deck sash, conveniently obtain different-effect, but the mode that this patent absorbs sunlight cannot regulate, it can only be the initial mode of exposing to sunlight, weak point is had from the angle utilizing sunlight, simultaneously not high for the utilization rate of heat yet.
And for example Chinese notification number is the shutter that the utility model patent of CN 201560697U discloses in a kind of hollow glass, all be provided with in the upper and lower of shutter and turn over leaf control structure, when turning over leaf, upper and lower is carried out simultaneously, turn over leaf degree upper and lower identical, improve the shielding of hollow louver glass, shading coefficient and heat-insulating property, improve the energy-efficient performance that hollow louver glass is total.But the same with a lot of solar protection devices, the heat part that this device produces long-wave radiation after absorbing sunlight enters indoor, but major part is then be lost to outdoor, cannot effectively utilize, and causes the waste of the energy.
Summary of the invention
In order to solve the 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 achieving the above object, technical scheme that the present invention adopts is as follows:
A kind of thermal-insulating type sun shading and energy-saving device, comprises a hollow glass body, blinds that multi-disc be arranged in parallel and the drive unit that drives described blinds to overturn; The interior hollow section of described hollow glass body forms an airtight cavity; Described blinds is arranged in described airtight cavity; High-absorbility coating and highly reflective coatint is respectively arranged with at described blinds positive and negative; Outside described airtight cavity faced chamber side cavity wall on be provided with low-launch-rate plated film.
Described 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 described airtight cavity.
Described thermal-insulating type sun shading and energy-saving device, in order to make this device can from the motion tracking sun, a central processing unit is connected with at the control end of described drive unit, described central processing unit calculates sun altitude according to the longitude and latitude signal of current date and time signal and the actual position of this device, and controls described drive unit action to make described blinds according to the angle upset preset according to described altitude of the sun angle signal.Adopt the longitude and latitude signal of the actual position of date signal, time signal and device to calculate sun altitude, calculate sun altitude more accurately and reliably than in prior art according to optical sensor.
Described thermal-insulating type sun shading and energy-saving device, in order to make the present invention more practical, also be connected with temperature pick up and optical sensor at the signal input part of described central processing unit, described central processing unit controls described drive unit action to make described blinds according to the angle upset preset according to the luminance signal of the temperature signal of described temperature pick up and described optical sensor.If any environment temperature and luminance signal, the present invention can be set to multiple automatic control mode, such as: summer day, cloudy day in summer, summer evenings, daytime in winter, cloudy day in winter, at night in winter, under each pattern, control blinds overturn different angles, and then how many heats realizing entering conduction indoor controls.
Described thermal-insulating type sun shading and energy-saving device, in order to meet people for the different demands of interior temperature from light, also be connected with a manual by-pass cock at the signal input part of described central processing unit, described central processing unit regulates the flip angle of described blinds according to the conditioning signal that described manual adjustments switch transmits.Because the blinds flip angle that pre-set programs controls can meet the demand of most people for temperature and light, but different people is not identical for temperature and the sense organ of light, in order to meet the needs of various crowd, therefore devises manual adjustments switch.
When the present invention is warming, sunshine, towards the sun, can be refracted into indoor by the high-absorbility coat side of its blinds, improves interior temperature.Simultaneously, the cavity wall of the present invention side outside airtight cavity faced chamber is provided with low-launch-rate plated film, this layer of plated film can intercept outwards being run off by long-wave radiation of blinds and indoor heat, thus the solar heat making blinds absorb and indoor heat are all retained in indoor, play better heat insulation effect.
The present invention adopts seal chamber to design, and the blinds of reflection or refraction sunray is arranged in airtight cavity, fundamentally solves dust stratification problem.
Accompanying drawing explanation
This accompanying drawing illustrates that the picture provided is used for auxiliary a further understanding of the present invention, forms a application's part, does not form inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is the sectional structure schematic diagram of hollow glass part of the present invention;
Fig. 2 is electric theory structure schematic diagram 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
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing and specific implementation method, be used for explaining the present invention in exemplary embodiment and description of the present invention, but not as a limitation of the invention.
Embodiment 1:
As shown in figs. 1 and 2, present embodiment discloses one preferably embodiment, the present invention includes hollow glass body 1, blinds 2 that multi-disc be arranged in parallel and the drive unit 6 that drives described blinds to overturn; In order to make the present invention more durable and facilitate plated film, hollow glass body 1 is tempered glass, and blinds 2 is alloy blinds; An airtight cavity is formed at the interior hollow section of hollow glass body 1, blinds 2 is just arranged in this airtight cavity, be respectively arranged with high-absorbility coating 3 and highly reflective coatint 4 at blinds 2 positive and negative, outside airtight cavity faced chamber side cavity wall on be provided with low-launch-rate plated film 5; As shown in Figure 1, sunray about 95% defendant absorptivity coating 3 absorbs, the long-wave radiation of the long-wave radiation that blinds 2 produces and indoor is reflected back indoor by low-launch-rate plated film 5, to intercept outwards being run off by long-wave radiation of blinds and indoor heat, play better heat insulation effect; In order to reduce the thermal conductivity of this device, in described 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 to the control end of drive unit 5, and temperature pick up 8, optical sensor 9 and manual adjustments switch 10 are connected to the signal input part of central processing unit 7; Described central processing unit 7 calculates sun altitude according to the longitude and latitude signal of current date and time signal and the actual position of this device, and controls described drive unit action to make described blinds according to the angle upset preset according to described altitude of the sun angle signal; Described central processing unit 7 controls the action of described drive unit 6 to make described blinds 2 according to the angle upset preset according to the temperature signal of described temperature pick up 8 and the luminance signal of described optical sensor 9; Manual adjustments switch 10 is connected to the signal input part of described central processing unit 7, and central processing unit 7 regulates the flip angle of described blinds 2 according to the conditioning signal that described manual adjustments switch 10 transmits, to meet people for the different demands of interior temperature from light.
Wherein, the design formulas of sun altitude is as follows:
Sinhs＝sinδsinφ+cosδcosφcosω
In formula:
Hs: sun altitude (summer shutter angle=sun altitude, winter shutter angle=180-sun altitude)
δ: solar declination
{ (90 ± 23.5)-latitude-y*0.25 (y value then represent with down to, the number of days of being separated by Winter Solstice) }
φ: local latitude
ω is solar hour angle, and be 0 ° with local high noon, be negative in the morning ,-15 ° per hour, and be just in the afternoon ,+15 ° per hour, ω is per hour on face to be under the line changed to=and 15 °.
The present invention in use, can be operated in hand control and automation two patterns.Time manual, manually by-pass cock 10 gives a control signal to central processing unit 7, thus regulates according to the demand of user.Below the pattern automatically controlled, the angle of blinds and the optimum of the highly complete program computation preset by central processing unit control.
The temperature that wherein automatic mode can gather according to temperature pick up 8 and optical sensor 9 defines with luminance signal, and automatic mode is divided into by the present embodiment: summer day, the cloudy day in summer, summer evenings, and on daytime in winter, winter is cloudy, night in winter.
According to temperature, can judge winter, summer, be greater than 20 degrees Celsius for summer, being less than or equal to 20 degree is then winter;
Daytime is divided into fine day, the cloudy day, when illumination value >=500lux be then fine day, illumination value < 500lux and > 100Lux time be then cloudy;
Night: as illumination value <=100lux is then night.
Mode operating: Clear Days Summer, winter fine day: blinds follow the tracks of sun angle upset (allowing the highly reflective coatint of blinds towards the sun); In summer, shutter angle overturns in 0 ° to 90 ° angle in highly reflective coatint face, can shine by shading light.
In winter, shutter angle overturns in 90 ° of-180 ° of angles in highly reflective coatint face, and meanwhile, illumination, to the sun, can be refracted into indoor by the high-selenium corn coat side of blinds.
Fig. 1 is the schematic diagram that the present invention is applied to north of china in winter, alloy blinds is by being installed on the angle of outdoor sensor from the direct projection of the motion tracking sun, and sunshine, is refracted into indoor outwardly by low reflectance coating, increase indoor heat, thus reduce the load of air-conditioning heating.
North cold weather, to be incubated, low-launch-rate plated film can intercept the long-wave radiation rate of 90%.The heat that indoor heat and blinds produce is retained in indoor, plays the effect of insulation.
Below for Beijing, Beijing area heat supply in winter is about November 15 to March 15 season.The total amount of heat of respectively being scattered and disappeared towards window by unit area in this period is as following table, and unit is (kWh/m2):
Use the present invention and existing two kinds of solar protection devices unit area dispersed heats are subtracted each other, obtain the present invention relative to the few dispersed heat situation of other two kinds of solar protection devices as following table, unit is (kWh/m2):
| Type | East orientation | West to | South orientation | North orientation | Ceiling |
| Common single-glass | 45 | 49 | 50 | 46 | 106 |
| Double layer glass | 13 | 14 | 19 | 9 | 44 |
Compared with few for the present invention dispersed heat is entered indoor heat with the existing two kinds of solar protection devices of employing, obtain relative energy saving ratio and see the following form:
| Type | East orientation | 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, the present invention's whole year, Energy-saving Situation compared with other two classes windows saw the following form, unit (kWh/m2):
Detect and computational analysis according to reality, main thermal parameter sees the following form:
Note:
1.K value represents the heat-insulating property of window.More low better.
The sunlight that 2.SHGC represents window obtains heat energy power.
Winter is more high better, and summer is more low better.
Thermal-insulating type sun shading and energy-saving device of the present invention solves shading system heat insulation effect for a long time cannot reach the problem of expection, owing to have employed the coating of high-absorbility, winter, solar heat gain coefficient increased by 80% than common blinds, increased about 38% than common low-launch-rate plated film double window.Another one aspect, at night in the winter time, blinds is closed automatically, avoids indoor heat radiation to outdoor.When blinds is closed time, blinds in off position, can also reach more significant effects of energy saving and emission reduction simultaneously, and the heat transfer property of glass window is almost suitable with triple glazing window, and thermal transmittance is down to 1.33.For this solar protection devices south orientation in winter, Beijing area in the winter time, compares single-glass the present invention and to consume energy reduction about 53%, compares double layer glass the present invention and to consume energy reduction about 30%.Therefore, southern sunshade is mainly applied to.
The present invention is when summer, and the highly reflective coatint face of blinds is towards the sun, and its shutter angle overturns in 0 ° of-90 ° of angle in highly reflective coatint face, plays the effect of sunshade and heat radiation.
Above the technical scheme that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth the principle of the embodiment of the present invention and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the embodiment of the present invention; Meanwhile, for one of ordinary skill in the art, according to the embodiment of the present invention, detailed description of the invention and range of application all will change, and in sum, this description should not be construed as limitation of the present invention.
Claims (5)
1. a thermal-insulating type sun shading and energy-saving device, comprises a hollow glass body, blinds that multi-disc be arranged in parallel and the drive unit that drives described blinds to overturn, it is characterized in that: the interior hollow section of described hollow glass body forms an airtight cavity; Described blinds is arranged in described airtight cavity; High-absorbility coating and highly reflective coatint is respectively arranged with at described blinds positive and negative; Outside described airtight cavity faced chamber side cavity wall on be provided with low-launch-rate plated film; Inert gas is packaged with in described airtight cavity;
A central processing unit is connected with at the control end of described drive unit; Described central processing unit calculates sun altitude according to the longitude and latitude signal of current date and time signal and the actual position of this device, and controls described drive unit action to make described blinds according to the angle upset preset according to described altitude of the sun angle signal.
2. thermal-insulating type sun shading and energy-saving device according to claim 1, is characterized in that: be also connected with temperature pick up and optical sensor at the signal input part of described central processing unit; Described central processing unit controls described drive unit action to make described blinds according to the angle upset preset according to the luminance signal of the temperature signal of described temperature pick up and described optical sensor.
3. thermal-insulating type sun shading and energy-saving device according to claim 1, is characterized in that: be also connected with a manual by-pass cock at the signal input part of described central processing unit; Described central processing unit regulates the flip angle of described blinds according to the conditioning signal that described manual adjustments switch transmits.
4. thermal-insulating type sun shading and energy-saving device according to claim 1, is characterized in that: described hollow glass body is tempered glass.
5. thermal-insulating type sun shading and energy-saving device according to claim 1, is characterized in that: described blinds is alloy blinds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057792.2A CN102650189B (en) | 2011-02-28 | 2011-02-28 | Heat preservation type sunshade and energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057792.2A CN102650189B (en) | 2011-02-28 | 2011-02-28 | Heat preservation type sunshade and energy-saving device |
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| CN102650189A CN102650189A (en) | 2012-08-29 |
| CN102650189B true CN102650189B (en) | 2015-06-17 |
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| CN201110057792.2A Active CN102650189B (en) | 2011-02-28 | 2011-02-28 | Heat preservation type sunshade and energy-saving device |
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Families Citing this family (8)
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| CN103015867A (en) * | 2012-11-28 | 2013-04-03 | 于向阳 | Compound soft energy-saving window body |
| 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 |
| CN103089133A (en) * | 2013-01-27 | 2013-05-08 | 司琳琳 | Window economizer |
| ES2763651T3 (en) * | 2013-12-04 | 2020-05-29 | Siemens Mobility Austria Gmbh | Side window of a passenger compartment for a vehicle |
| 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 |
| 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 |
| CN106014165B (en) * | 2016-05-19 | 2018-01-05 | 重庆大学 | A kind of blinds shading system of intelligent control |
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| C06 | Publication | ||
| PB01 | Publication | ||
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