CN114575544B - High-efficiency sun-shading and light-transmitting sun-shading frame installation method - Google Patents
High-efficiency sun-shading and light-transmitting sun-shading frame installation method Download PDFInfo
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- CN114575544B CN114575544B CN202011374631.1A CN202011374631A CN114575544B CN 114575544 B CN114575544 B CN 114575544B CN 202011374631 A CN202011374631 A CN 202011374631A CN 114575544 B CN114575544 B CN 114575544B
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- 238000009434 installation Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Blinds (AREA)
Abstract
The invention discloses a high-efficiency sun-shading and light-transmitting sun-shading frame installation method, which relates to the technical field of sun-shading, and comprises the steps of determining the sun azimuth angle and the sun altitude angle of each reference time point in a preset time period based on longitude and latitude information of a window frame where a sun-shading frame is to be installed, determining the corresponding relation between the sunlight intensity of the window frame at each reference time point and the opposite wall inclination angle of the sun-shading 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, and determining the installation angle of the sun-shading frame, so that the sunlight intensity of the window frame in the preset time period is lower than a preset value after the sun-shading frame is installed, and the sun-shading effect can be better under the condition that the sight is not influenced by manually or intelligently adjusting the sun-shading angle in real time.
Description
Technical Field
The invention relates to the technical field of sunshade, in particular to a method for installing a sunshade frame capable of efficiently shading and transmitting light.
Background
At present, a sunshade frame is usually arranged outside a window frame of a building to shade illumination, so that indoor heat and lighting of solar radiation are regulated. However, since the irradiation angle of the sun is continuously changed, a generally fixed sunshade frame is difficult to play a good sunshade effect, so that the sunshade frame is usually designed into an angle-adjustable shutter structure, and the user manually adjusts the sunshade angle to shade sunlight from different irradiation angles, but the use is troublesome, or some buildings can track the irradiation angle of the sun to adjust the sunshade angle through an intelligent control assembly, but the system structure is too complex, the reliability is lower, and the popularization is difficult.
Disclosure of Invention
The present inventors have provided a method for mounting a sunshade frame with high efficiency and sunshade light transmittance, which is directed against the above problems and technical needs, and the technical scheme of the present invention is as follows:
a method for installing a sunshade frame with high efficiency and sunshade light transmission, comprising the following steps:
determining longitude and latitude information of a window frame where a sunshade frame is to be installed and the installation orientation of the window frame;
determining the solar azimuth angle and the solar altitude angle of each reference time point in a preset time period based on longitude and latitude information;
determining the corresponding relation 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 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 sunshade frame, wherein the installation angle is the opposite wall inclination angle of the sunshade frame, corresponding to each reference time point, of which the sunlight intensity is smaller than a preset sunlight threshold value;
the sunshade frame is arranged outside the window frame according to the installation angle and at least comprises a top sunshade plate, one end of the top sunshade plate is fixed on the upper edge of the window frame, and an included angle between a connecting line between the movable end of the top sunshade plate opposite to the fixed end and the lower edge of the window frame and a plane where the window frame is located is the installation angle.
According to the further technical scheme, the corresponding relation between the sunlight intensity of each reference time point and the opposite wall inclination angle of the sunshade 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, and the method comprises the following steps:
J DV ＝(cosθ·sinh+sinθ·cosh·cos(A-A V ))*100％；
wherein J is DV Representing the relative solar intensity of the window frame at a reference time point and taking the solar intensity of a direct solar normal plane as 100%, h is the solar altitude, A is the solar azimuth angle, A V Is 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 of the window frame on the horizontal plane and the positive south direction, and theta represents the inclination angle of the sunshade frame to the ground and the angle of inclination of the sunshade frame to the wall is the angle between the plane where the connecting line between the movable end of the sunshade frame and the lower edge of the window frame is located and the horizontal plane.
The further technical scheme is that the preset time period is all or part of a year, the preset sunlight threshold value corresponds to the preset time period, and the preset sunlight threshold values corresponding to different preset time periods are the same or different.
The further technical scheme is that each reference time point comprises a date number and a time number of day, the date numbers of the reference time points are uniformly distributed in a preset time period, and the time number of day of each reference time point of the same date is uniformly distributed in one day of the date.
According to the further technical scheme, each reference time point comprises a date number and a time number of day, the date numbers of the reference time points are uniformly distributed in a preset time period, and the time number of day of each reference time point of the same date is uniformly distributed in a time period from sunrise time to sunset time of the same 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 longitude and latitude information comprises the following steps:
determining sun azimuth as a=acos (CA) =acos ((sh×sxl-SD)/CH/CXL), sun altitude as h=asin (SH), where sh=sxl×sd+cxl×cd×cos (T), sxl=sin (xlat×pi), cxl=cos (xlat×pi), ch=sqrt (1.—sh), SQRT () is a square root calculation function, sd=sin (D) =sin (FSD (WW)), cd=cos (D) =cos (FSD (WW)), XLAT is latitude information of where the window frame is located, and there is:
t= (15.+ -. (TS-12.) + xlg-slng+. 25×e) ×pi, xlg is longitude information of a window frame place, SLNG is longitude information of a standard time place, ts=flow (JH) +flow (JM)/60., JH is the number of hours of a reference time point, JM is the number of minutes of a reference time point;
where ww=2..pai @ flow (MDY)/365..mdy represents the number of date sequences in one year for the reference time point and is determined by the number of months and the number of dates in the month for the reference time point, pi=0.0174533, pai= 3.141593.
The beneficial technical effects of the invention are as follows:
the application discloses high-efficient sunshade printing opacity sunshade frame installation method, this sunshade frame installation method is through the solar azimuth and the solar altitude of window frame installation orientation and each reference time point of window frame confirm the sunlight intensity of window frame at each reference time point, with the corresponding relation of sunshade frame to wall inclination, confirm the installation sunshade angle of sunshade frame then, thereby make the window frame behind the installation sunshade frame, the sunlight intensity that receives in the time quantum of predetermineeing all is less than preset value, need not adjust the sunshade angle in real time through manual or intelligent processing just can possess better sunshade effect.
Drawings
Fig. 1 is a schematic view of the angular relationship involved in the sunshade frame installation method disclosed in the present application.
Fig. 2 is a schematic view of the installation of the sunshade frame.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings.
The application discloses a sunshade frame installation method of high-efficient sunshade printing opacity, please refer to the schematic diagram shown in fig. 1, including the following steps:
and S1, determining longitude and latitude information of a place where the window frame of the sunshade frame to be installed is located and the installation orientation of the window frame. Wherein the installation orientation of the window frame at least comprises a window frame azimuth angle A V Azimuth angle A of window frame V Is the angle between the projection L2 of the normal L1 of the plane where the window frame is located on the horizontal plane and the right 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 direct south direction. In the present application, the preset time period is a whole time period or a partial time period of one year, for example, the preset time period is 4 months 20 days to 8 months 31 days of one year. Each reference time point comprises a number of days and a number of times of day, wherein the number of days comprises a number of months and a number of hours in the number of days of the month, such as 4 months and 20 days, the number of times of day comprises at least 24 hours, and optionally the number of times of day further comprises a number of minutes in each hour, such as 7 hours and 20 minutes.
Optionally, for each reference time point in a preset time period, the number of dates at each reference time point is uniformly distributed in the preset time period, for example, more typically, the number of dates at each reference time point includes each day in the preset time period.
The number of times of day at each reference time point on the same date is evenly distributed throughout the day on the date, such as the number of times of day at each reference time point, which is more typical, includes each hour of the day. Further alternatively, the number of times of day at each reference time point on the same day is uniformly distributed in a time period from the sunrise time to the sunset time of the same day, and the sunrise time and the sunset time of each day can be inquired and determined, for example, the sunrise time of a certain day is 6 hours, and the sunset time of the certain day is 18 hours, then each reference time point of the certain day is 6 hours to 18 hours, because sun is below the horizon after the sunset time and before the sunrise time, sunlight is negligible, and therefore, the reference time point can be selected for calculation only in a time period from the sunrise time to the sunset time when the sun is above the horizon, so that subsequent calculation amount is reduced under the condition of ensuring accuracy.
After longitude and latitude information and a reference time point are determined, the method for determining the solar azimuth angle A and the solar altitude 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).
Where sh=sxl=sd+cxl+cd+cos (T), sxl=sin (XLAT PI), cxl=cos (XLAT PI), ch=sqrt (1.—sh), SQRT () is a square root calculation function, sd=sin (D) =sin (FSD (WW)), cd=cos (D) =cos (FSD (WW)), XLAT is latitude information of the window frame place, and there are:
t= (15.+ -. (TS-12.) + xlg-slng+.25xe.) PI, xlg is longitude information of a place where the window frame is located, SLNG is longitude information of a standard time place, ts=flow (JH) +flow (JM)/60..jh is the number of hours represented by 24 hours system at the reference time point, JM is the number of minutes per hour at the reference time point. If the number of times of day at 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 FET (WW), ww=2..pai @ flow (MDY)/365..flow () represents the number of floating points, MDY represents the number of date sequences in one year at the reference time point and is determined by the number of dates at the reference time point, for example, 1 month and 1 day are 1 day in one year, the corresponding number of date sequences is 1, 31 days 1 month and 31 days in one year, the corresponding number of date sequences is 31,2 months and 1 day is 32 days in one year. Pi=0.0174533, pai= 3.141593.
Step S3, determining the corresponding relation 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 direction of the window frame and the sun azimuth angle and the sun altitude angle of each reference time point, wherein the determined relation is as follows:
J DV ＝(cosθ·sinh+sinθ·cosh·cos(A-A V ))*100％；
wherein J is DV Represents the relative solar intensity of the window frame at the reference time point and is expressed as the solar intensity of the direct solar normal plane (unit is [ W/m ] 2 ]) 100%, h is the solar altitudeThe angle A is the azimuth angle of the sun, theta is the inclination angle of the sunshade frame to the ground and the angle of inclination of the sunshade frame to the wall is the angle between the plane where the connecting line between the movable end of the sunshade frame and the lower edge of the window frame is located and the horizontal plane.
And S4, 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 sunshade frame, wherein the installation angle is the opposite wall inclination angle of the sunshade frame, corresponding to each reference time point, of which the sunlight intensity is smaller than a preset sunlight threshold value. The preset sunlight threshold corresponds to a preset time period, the preset sunlight thresholds corresponding to different preset time periods are the same or different, the preset sunlight threshold is a percentage of sunlight, for example, the preset sunlight threshold can be configured to be 5%. If the sunlight intensities of the corresponding reference time points are smaller than the preset sunlight threshold under the condition that a plurality of opposite wall inclination angles exist, one of the opposite wall inclination angles can be selected as the installation angle according to a self-defined strategy, for example, the smallest opposite wall inclination angle is selected as the installation angle.
S5, the sunshade frame is arranged according to the installation angleThe sunshade frame is arranged outside the window frame, as shown in figure 2, 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 of the top sunshade plate 1 opposite to the fixed end and the lower edge of the window frame and the plane of the window frame 2 is the installation angle>Under the shielding of the sunshade frame with the installation angle, the sunshine intensity of the irradiation entering the window frame in the preset time period is smaller than the preset sunshine threshold value. Optionally, the sunshade frame typically further comprises two side sunshade frames 3, as shown in fig. 2, side edgesThe sunshade frame 3 is generally triangular, and two right-angle edges thereof are respectively connected with the side edge of the window frame 2 and the lower edge of the top sunshade plate 1, and the oblique edges of the side sunshade frame 3 are parallel to the connecting line between the movable end of the top sunshade plate 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 examples. It is to be understood that other modifications and variations which may be directly derived or contemplated by those skilled in the art without departing from the spirit and concepts of the present invention are deemed to be included within the scope of the present invention.
Claims (4)
1. A method for installing a high-efficiency sun-shading and light-transmitting sun-shading frame, which is characterized by comprising the following steps:
determining longitude and latitude information of a window frame where a sunshade frame is to be installed and the installation orientation of the window frame;
determining the solar azimuth angle and the solar altitude angle of each reference time point in a preset time period based on the longitude and latitude information;
determining the corresponding relation 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 of each reference time point, comprising the following steps of determiningWherein->Representing the relative solar intensity of the window frame at the reference time point and taking the solar intensity of the direct solar normal plane as +.>，/>Is the solar altitude, < >>Is a solar squareAzimuth angle (I)>Is 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 of the window frame and the right south direction, and the angle is->Represents the tilt angle to the ground of the sunshade frame and +.>，/>The angle of inclination of the sunshade frame to the wall is the angle between the plane where the connecting line between the movable end of the sunshade frame and the lower edge of the window frame is positioned and the horizontal plane;
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 sunshade frame, wherein the installation angle is the opposite wall inclination angle of the sunshade frame, and the sunlight intensity of each corresponding reference time point is smaller than a preset sunlight threshold value;
the sunshade frame is arranged outside the window frame according to the installation angle, the sunshade frame at least comprises a top sunshade plate, one end of the top sunshade plate is fixed on the upper edge of the window frame, and an included angle between a connecting line between a movable end of the top sunshade plate opposite to the fixed end and the lower edge of the window frame and a plane where the window frame is located is the installation angle.
2. The method of claim 1, wherein the preset time period is a full or partial time period of a year, and the preset insolation threshold corresponds to the preset time period, and the preset insolation thresholds corresponding to different preset time periods are the same or different.
3. The method of claim 1, wherein each reference time point includes a number of days and a number of times of day, the number of days at which each reference time point is located being evenly distributed within the preset time period, the number of times of day at each reference time point of the same date being evenly distributed within a day of the day.
4. The method according to claim 1, wherein each reference time point includes a date number and a time of day, the date numbers of each reference time point are uniformly distributed in the preset time period, and the time of day numbers of each reference time point on the same date are uniformly distributed in a time period from sunrise time to sunset time of the date.
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