CN114575544A - Method for mounting efficient sun-shading and light-transmitting sun-shading frame - Google Patents
Method for mounting efficient sun-shading and light-transmitting sun-shading frame Download PDFInfo
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- CN114575544A CN114575544A CN202011374631.1A CN202011374631A CN114575544A CN 114575544 A CN114575544 A CN 114575544A CN 202011374631 A CN202011374631 A CN 202011374631A CN 114575544 A CN114575544 A CN 114575544A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 33
- 208000030853 Asthma-Chronic Obstructive Pulmonary Disease Overlap Syndrome Diseases 0.000 claims description 6
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- 230000005540 biological transmission Effects 0.000 description 2
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F10/00—Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
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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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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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Abstract
The invention discloses a method for installing a high-efficiency sun-shading and light-transmitting sun-shading frame, which relates to the technical field of sun shading, and is characterized in that a sun azimuth angle and a sun altitude angle of each reference time point in a preset time period are determined based on longitude and latitude information of a location of a window frame of the sun-shading frame to be installed, and a corresponding relation between the sunlight intensity of the window frame at each reference time point and a wall-facing inclination angle of the sun-shading frame is determined according to the installation direction of the window frame and the sun azimuth angle and the sun altitude angle of each reference time point, so that the installation angle of the sun-shading frame is determined, the sunlight intensity of the window frame in the preset time period is lower than the preset value after the sun-shading frame is installed, and the sun-shading angle does not need to be adjusted in real time through manual or intelligent processing, and a good sun-shading effect can be achieved under the condition that the sight line is not influenced.
Description
Technical Field
The invention relates to the technical field of sun shading, in particular to a method for installing a sun shading frame with high efficiency and sun shading and light transmitting.
Background
At present, the building is usually provided with a sun-shading frame outside a window frame to shade the light so as to adjust the heat radiated by the sun and the lighting in the room. However, because the sun irradiation angle is constantly changed, a common fixed sun-shading frame is difficult to achieve a good sun-shading effect, so that the sun-shading frame is usually designed into a louver structure with an adjustable angle, a user manually adjusts the sun-shading angle to shade sunlight from different irradiation angles, but the sun-shading frame is troublesome to use, or some existing buildings track the sun irradiation angle through an intelligent control assembly to adjust the sun-shading angle, but the system structure is too complex, the reliability is low, and the system is difficult to popularize.
Disclosure of Invention
The invention provides a method for installing a sunshade frame with high efficiency in sunshade and light transmission aiming at the problems and the technical requirements, and the technical scheme of the invention is as follows:
a method for installing a sunshade frame with high efficiency and sunshade and light transmission comprises the following steps:
determining longitude and latitude information of the location of a window frame of the sun shading frame to be installed and the installation direction of the window frame;
determining a solar azimuth angle and a solar altitude angle of each reference time point in a preset time period based on the latitude and longitude information;
determining the corresponding relation between the sunshine intensity of the window frame at each reference time point and the opposite wall inclination angle of the sun shielding frame according to the installation direction of the window frame and the sun azimuth angle and the sun altitude angle of each reference time point;
determining an installation angle according to the corresponding relation between the sunlight intensity of each reference time point and the opposite wall inclination angle of the sun shielding frame, wherein the installation angle is the opposite wall inclination angle of the sun shielding frame of which the corresponding sunlight intensity of each reference time point is smaller than a preset sunlight threshold value;
the sun-shading frame is installed outside the window frame according to the installation angle and at least comprises a top sun-shading plate, one end of the top sun-shading plate is fixed on the upper edge of the window frame, and the included angle between the connecting line between the movable end, opposite to the fixed end, of the top sun-shading plate and the lower edge of the window frame and the plane where the window frame is located is the installation angle.
The technical scheme is that the corresponding relation between the sunshine intensity of each reference time point and the opposite wall inclination angle of the sun shielding frame is determined according to the installation direction of the window frame and the solar azimuth angle and the solar altitude angle of each reference time point, and the method comprises the following steps:
JDV＝(cosθ·sinh+sinθ·cosh·cos(A-AV))*100％；
wherein, JDVRepresenting the relative position of the sash at a reference point in timeThe solar intensity of (A) is 100%, h is the solar altitude, A is the solar azimuth, andVis the azimuth angle of the window frame, which is the included angle between the projection of the normal of the plane where the window frame is located on the horizontal plane and the true south direction, theta represents the ground inclination angle of the sun-shading frame and
the included angle between the plane where the connecting line between the movable end of the sun-shading frame and the lower edge of the window frame is located and the horizontal plane is the included angle between the wall-to-wall inclined angle of the sun-shading frame and the ground inclined angle of the sun-shading frame.
The technical scheme is that the preset time period is the whole time period or part of the time period of one year, the preset sunshine threshold value corresponds to the preset time period, and the preset sunshine threshold values corresponding to different preset time periods are the same or different.
The further technical scheme is that each reference time point comprises the number of days and the number of times of the day, the number of days of each reference time point is uniformly distributed in a preset time period, and the number of times of the day of each reference time point on the same date is uniformly distributed in one day of the date.
The method comprises the following steps that the reference time points comprise the number of days and the number of time of the day, the number of the days of the reference time points are uniformly distributed in a preset time period, and the number of the time of the day of the reference time points on the same date is uniformly distributed in the time period from the sunrise time to the sunset time of the date.
The further technical scheme is that the method for determining the solar azimuth angle and the solar altitude angle of each reference time point in the preset time period based on the latitude and longitude information comprises the following steps:
determining a sun azimuth angle a ═ ACOS (ca) ═ ACOS ((SH ═ SXL-SD)/CH/CXL), and a sun altitude angle h ═ asin (SH), wherein SH ═ SXL ═ SD + CXL ═ CD · COS (t), SXL ═ SIN (XLAT ═ PI), CXL ═ COS (XLAT ═ PI), CH ═ SQRT (1.-SH ·, SH · SQRT () is a square root calculation function, SD ═ SIN (fsd) ═ SIN (fsd (ww)), CD ═ COS (d) ═ COS (fsd) (ww)), XLAT is information of a window frame latitude, and has:
t ═ 15. (TS-12.) + XLNG-SLNG +. 25. E). PI, XLNG is longitude information of the window frame location, SLNG is longitude information of the standard time scale, TS ═ float (JH) + float (JM)/60., JH is hours of the reference time point, JM is minutes of the reference time point;
wherein WW ═ 2 · PAI · float (MDY)/365, MDY denotes a date sequence number of the reference time point in one year and is determined by the month number and the current month date number of the reference time point, PI ═ 0.0174533, PAI ═ 3.141593.
The beneficial technical effects of the invention are as follows:
the application discloses non-light tight sunshade frame installation method of high-efficient sunshade, this sunshade frame installation method passes through the installation orientation of window frame and the sun azimuth and the sun altitude of each reference time point and confirms the sunshine intensity of window frame at each reference time point, with the corresponding relation to wall inclination angle that hides the sun frame, then confirm the installation sunshade angle that hides the sun frame, thereby make the window frame after the installation hides the sun frame, the sunshine intensity that receives in the time quantum of predetermineeing all is less than the default, need not adjust sunshade angle through manual or intelligent processing in real time and just can have better sunshade effect.
Drawings
Fig. 1 is a schematic view of an angular relationship involved in a sunshade frame installation method disclosed in the present application.
Fig. 2 is an installation view of the sunshade frame.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
The application discloses a method for installing a high-efficiency sun-shading and light-transmitting sun-shading frame, please refer to a schematic diagram shown in figure 1, and the method comprises the following steps:
and step S1, determining longitude and latitude information of the location of the window frame where the sunshade frame is to be installed and the installation direction of the window frame. Wherein the installation direction of the window frame at least comprises a window frame azimuth angle AVAzimuth angle A of window frameVIs the included angle between the projection L2 of the normal L1 of the plane of the window frame on the horizontal plane and the south direction.
Step S2, determining a solar azimuth angle A and a solar altitude angle h of each reference time point in a preset time period based on longitude and latitude information, wherein the solar altitude angle h is an included angle between a direct solar direction and a horizontal plane, and the solar azimuth angle A is an included angle between a projection L4 of the direct solar direction L3 on the horizontal plane and a south-facing direction. In the present application, the preset time period is a whole time period or a part of time period of a year, for example, the preset time period is 20 days at 4 months to 31 days at 8 months in a year. Each reference time point includes a number of days and a number of times of day, wherein the number of days includes a number of months and a number of days in the month, such as 4 months and 20 days, and the number of times of day includes at least a number of hours in a 24 hour system, and optionally the number of times of day further includes a number of minutes per hour, such as 20 minutes per 7 hours.
Optionally, for each reference time point in a preset time period, the number of dates of each reference time point is uniformly distributed in the preset time period, for example, typically, the number of dates of each reference time point includes each day in the preset time period.
The time of day of each reference time point on the same date is evenly distributed in the day of the day, for example, the time of day of each reference time point typically includes each hour of the day. Further optionally, the number of times of the day of each reference time point on the same date is uniformly distributed in the time period from the sunrise time to the sunset time of the date, and the sunrise time and the sunset time of each day can be inquired and determined, for example, when the sunrise time of a certain day is 6 and the sunset time is 18, each reference time point of the day is each hour from 6 to 18, because the sun is below the horizon and the sunshine can be ignored after the sunset time and before the sunrise time, the reference time point can be selected only in the time period when the sun is above the horizon in the time period from the sunrise time to the sunset time for calculation, so that the subsequent calculation amount is reduced under the condition of ensuring accuracy.
After the latitude and longitude information and the reference time point are determined, the method for determining the solar azimuth angle A and the solar elevation angle h specifically comprises the following steps:
the solar azimuth angle is determined as a ═ ACOS (ca) ═ ACOS ((SH ═ SXL-SD)/CH/CXL).
The solar altitude is determined to be h ASIN (SH).
Wherein SH ═ SXL × SD + CXL × CD ═ COS (t), SXL ═ SIN (XLAT × PI), CXL ═ COS (XLAT × PI), CH ═ SQRT (1.-SH ═ SH), SQRT () is a square root computation function, SD ═ SIN (d) ═ SIN (fsd (ww)), CD ═ COS (d) ═ COS (fsd (ww)), SH ═ XLAT is latitude information at the window frame location, and there are:
t ═ PI (15. # TS-12.) + XLNG-SLNG +.25 · E) · PI, XLNG is longitude information of the window frame location, SLNG is longitude information of the standard time scale, TS ═ float (JH) + float (JM)/60., JH is the number of hours expressed in the 24 hour system of the reference time point, JM is the number of minutes per hour of the reference time point. If the time of day of the reference time point includes only the number of hours, JM may be set to a default value of 0.
E＝FET(WW)＝60.*(-0.0002786409+0.1227715*COS(WW+1.498311)-0.1654575
*COS(2.*WW-1.261546)-0.00535383*COS(3.*WW-1.1571))。
In the fsd (WW) and the fet (WW), WW is 2 PAI at FLOAT (MDY)/365, FLOAT () indicates a floating point number, MDY indicates a date sequence number of a reference time point in one year and is determined by a date number of the reference time point, for example, 1 st month and 1 st day of one year corresponds to 1 day of the date sequence number, 31 st month and 1 st day of one year corresponds to 31 days of the date sequence number, and 2 nd month and 1 st day of one year corresponds to 32 days of the date sequence number. PI is 0.0174533 and PAI is 3.141593.
Step S3, determining a corresponding relationship between the sunlight intensity of the window frame at each reference time point and the opposite-wall inclination angle of the sunshade frame according to the installation orientation of the window frame and the sun azimuth angle and the sun altitude angle at each reference time point, where in the present application, the determined relationship is:
JDV＝(cosθ·sinh+sinθ·cosh·cos(A-AV))*100％；
wherein, JDVShowing the relative solar intensity of the window frame at the reference time point and the solar intensity in the plane of direct sunlight normal (unit is [ W/m ]2]) Is 100%, h is the solar altitude, A is the solar azimuth, theta represents the ground inclination angle of the sunshade frame and
the included angle between the plane where the connecting line between the movable end of the sun-shading frame and the lower edge of the window frame is located and the horizontal plane is the included angle between the wall-to-wall inclined angle of the sun-shading frame and the ground inclined angle of the sun-shading frame.
And step S4, determining an installation angle according to the corresponding relation between the sunshine intensity of each reference time point and the opposite wall inclination angle of the sun-shading frame, wherein the installation angle is the opposite wall inclination angle of the sun-shading frame of which the corresponding sunshine intensity of each reference time point is smaller than a preset sunshine threshold value. The preset sunshine threshold corresponds to a preset time period, the preset sunshine thresholds corresponding to different preset time periods are the same or different, the preset sunshine threshold is a percentage of one sunshine, and for example, the preset sunshine threshold can be configured to be 5%. If the sunshine intensity of each corresponding reference time point is smaller than the preset sunshine threshold value under the condition that a plurality of opposite wall inclination angles exist, one opposite wall inclination angle can be selected as an installation angle according to a user-defined strategy, for example, the smallest opposite wall inclination angle is selected as the installation angle.
Step S5, the sunshade frame is installed according to the installation angle
Is installed outside the window frame, as shown in fig. 2, the sunshade frame at least comprises a top sunshade plate 1, one end of the top sunshade plate 1 is fixed on the upper edge of the window frame 2, and the included angle between the connecting line between the movable end opposite to the fixed end of the top sunshade plate 1 and the lower edge of the window frame and the plane where the window frame 2 is located is the installation angle
Under the shielding of the sunshade frame with the installation angle, the sunshine intensity irradiated into the window frame in the preset time period is smaller than the preset sunshine threshold value. Optionally, the sunshade frame further includes a side sunshade frame 3 on two sides, as shown in fig. 2, the side sunshade frame 3 is generally triangular, two right-angle sides thereof are respectively connected to the side edge of the window frame 2 and the lower edge of the roof sunshade panel 1, and a hypotenuse of the side sunshade frame 3 is parallel to a connection line between the movable end of the roof sunshade panel 1 and the lower edge of the window frame 2.
What has been described above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiment. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and concept of the present invention are to be considered as included within the scope of the present invention.
Claims (6)
1. A method for installing a high-efficiency sun-shading and light-transmitting sun-shading frame is characterized by comprising the following steps:
determining longitude and latitude information of a location of a window frame of a sun shading frame to be installed and an installation direction of the window frame;
determining a solar azimuth angle and a solar elevation angle of each reference time point in a preset time period based on the latitude and longitude information;
determining the corresponding relation between the sunshine intensity of the window frame at each reference time point and the opposite wall inclination angle of the sun shielding frame according to the installation direction of the window frame and the sun azimuth angle and the sun altitude angle of each reference time point;
determining an installation angle according to the corresponding relation between the sunshine intensity of each reference time point and the opposite wall inclination angle of the sun-shading frame, wherein the installation angle is the opposite wall inclination angle of the sun-shading frame of which the corresponding sunshine intensity of each reference time point is smaller than a preset sunshine threshold value;
and installing the sun-shading frame outside the window frame according to the installation angle, wherein the sun-shading frame at least comprises a top sun-shading plate, one end of the top sun-shading plate is fixed on the upper edge of the window frame, and the included angle between the connecting line between the movable end of the top sun-shading plate, which is opposite to the fixed end, and the lower edge of the window frame and the plane where the window frame is located is the installation angle.
2. The method of claim 1, wherein determining the corresponding relationship between the sunshine intensity at each reference time point and the opposite-wall inclination angle of the sun-shading frame according to the installation orientation of the window frame and the solar azimuth angle and the solar altitude angle at each reference time point comprises determining:
JDV＝(cosθ·sinh+sinθ·cosh·cos(A-AV))*100％；
wherein, JDVIndicates the relative solar intensity of the window frame at the reference time point and the solar intensity of the plane of direct sunlight normal is 100%, h is the solar altitude, A is the solar azimuthVIs the azimuth angle of the window frame, the azimuth angle of the window frame is the included angle between the projection of the normal line of the plane where the window frame is located on the horizontal plane and the true south direction, theta represents the ground inclination angle of the sun-shading frame and
the included angle between the plane of the connecting line between the movable end of the sun-shading frame and the lower edge of the window frame and the horizontal plane is the included angle between the inclined angle of the sun-shading frame and the wall and the inclined angle of the sun-shading frame to the ground.
3. The method according to claim 1, wherein the preset time period is a whole time period or a part of time period of one year, and the preset sunshine threshold value corresponds to the preset time period, and the preset sunshine threshold values corresponding to different preset time periods are the same or different.
4. The method of claim 1, wherein each reference time point comprises a number of days and a number of times of day, the number of days of each reference time point are evenly distributed within the preset time period, and the number of times of day of each reference time point on the same date are evenly distributed within one day of the day.
5. The method of claim 1, wherein each reference time point comprises a date number and a time of day number, the date numbers of each reference time point are evenly distributed in the preset time period, and the time of day numbers of each reference time point on the same date are evenly distributed in a time period from sunrise time to sunset time of the date.
6. The method according to any one of claims 1-5, wherein the determining the solar azimuth angle and the solar altitude angle at each reference time point within a preset time period based on the latitude and longitude information comprises:
determining a sun azimuth angle a ═ ACOS (ca) ═ ACOS ((SH ═ SXL-SD)/CH/CXL), and a sun altitude angle h ═ asin (SH), wherein SH ═ SXL ═ SD + CXL ═ CD · COS (t), SXL ═ SIN (XLAT ═ PI), CXL ═ COS (XLAT ═ PI), CH ═ SQRT (1.-SH ·, SH · () is a square root calculation function, SD ═ SIN (fsd) ═ SIN (ww), CD ═ COS (d) ═ COS (fsd) (ww)), XLAT is information of a location of the window frame, and:
t ═ PI (15. # TS-12.) + XLNG-SLNG +.25 · E) · PI, XLNG is longitude information of the location of the window frame, SLNG is longitude information of a standard time scale, TS ═ float (JH) + float (JM)/60., JH is hours of a reference time point, JM is minutes of the reference time point;
wherein WW ═ 2 · PAI · float (MDY)/365, MDY denotes a date sequence number of the reference time point in one year and is determined by the month number and the current month date number of the reference time point, PI ═ 0.0174533, PAI ═ 3.141593.
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