CN105901860A - Intelligent sunshade umbrella - Google Patents

Intelligent sunshade umbrella Download PDF

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Publication number
CN105901860A
CN105901860A CN201610340363.9A CN201610340363A CN105901860A CN 105901860 A CN105901860 A CN 105901860A CN 201610340363 A CN201610340363 A CN 201610340363A CN 105901860 A CN105901860 A CN 105901860A
Authority
CN
China
Prior art keywords
umbrella
umbrella handle
parasols
controller
rotary actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610340363.9A
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Chinese (zh)
Inventor
李长宁
吴佳瑶
朱学莉
朱树先
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou University of Science and Technology
Original Assignee
Suzhou University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou University of Science and Technology filed Critical Suzhou University of Science and Technology
Priority to CN201610340363.9A priority Critical patent/CN105901860A/en
Publication of CN105901860A publication Critical patent/CN105901860A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45BWALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B11/00Umbrellas characterised by their shape or attachment
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45BWALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00Other umbrellas
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00Control of position or direction
    • G05D3/12Control of position or direction using feedback
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45BWALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B23/00Other umbrellas
    • A45B2023/0093Sunshades or weather protections of other than umbrella type
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45BWALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B2200/00Details not otherwise provided for in A45B
    • A45B2200/10Umbrellas; Sunshades
    • A45B2200/1009Umbrellas; Sunshades combined with other objects

Abstract

The invention discloses an intelligent sunshade umbrella. The intelligent sunshade umbrella comprises an umbrella switch, a controller, an umbrella handle rotation executing mechanism, a clock module, a GPS module and a control line. The umbrella handle rotation executing mechanism is arranged on an umbrella handle and divides the umbrella handle into an upper umbrella handle body and a lower umbrella handle body. The controller is arranged on the umbrella handle rotation executing mechanism. The umbrella switch is arranged on the upper umbrella handle body and located above the controller. The clock module is arranged on the GPS module and located on the lower umbrella handle body. The controller, the umbrella handle rotation executing mechanism, the clock module and the GPS module are connected through signal lines. The umbrella handle rotation executing mechanism controls the upper umbrella handle to automatically rotate by an angle, the direction of the upper umbrella handle body and the direct solar radiation direction are identical, and therefore a vertical angle is formed between the direction of an umbrella cover and the direct solar radiation direction. In conclusion, the intelligent sunshade umbrella can complete an automatic sunshade function automatically according to local time and position information.

Description

A kind of intelligence parasols
Technical field
The present invention relates to the technical field of parasols manufacturing, be provided in particular in a kind of intelligence parasols.
Background technology
Sunshade is used to keep the sun off the umbrella of direct projection human body, is the continuity of parasols function, and parasols in appearance and hides Sunshade is identical.China's most area is in the north of the tropic of cancer, but summer is the most hot, particularly fine day, Sun direct projection on the person can very uncomfortable, then people all use parasols to block the direct projection of sunlight, but sunlight Direct projection is being continually changing to the angle of the earth, and every day, the sun rose from the east, landed from west, and morning, the sun was in Horizon 0 degree of position of line, noon, the sun was in the extreme higher position, the crown of people, formed 90 degree of orientation with ground, and afternoon, the sun gradually dropped to The position that rain horizon is 180 degree.Thus each the most in the same time, the sun is mapped on the person with different incidence angles degree.Generally People are in different time points, in order to cover sunlight, can tilt parasols so that umbrella cover alignment direct sunlight point, as keeping out As sunlight invasion.It practice, it is far less convenient that such a manually regulates the behavior that umbrella cover keeps the sun off, the particularly summer Season, ultraviolet ratio was stronger, and blocking effectively keeps the sun off is necessary.If have a kind of can be according to the direction of sunlight If being automatically adjusted the device of umbrella cover direction and position, then the biggest convenience can be brought.
Recent years, worldwide all entered the intelligent world, and the instrument in many life and works has intelligentized Demand, it is desirable to bring to user and preferably experience and convenience.But the intelligent arms to parasols are the most relatively slow at present.This Invention proposes a kind of intelligentized parasol system exactly, in different time point regulation umbrella cover positions, reaches to keep the sun off Purpose.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of intelligence parasols, it is possible at the weather that sunlight is hot, root According to the skew of different time sections sunlight, it is automatically adjusted the direction of umbrella handle and umbrella cover so that the direction of illumination of umbrella cover alignment sunlight, Being preferably user's sunshade, this parasols adds controller, umbrella handle rotary actuator, time mould on the basis of tradition parasols Block and GPS module or communication module, obtain time and geographical location information from upper module, is used for determining this place at this very moment The angle of sunlight, then controls the rotation of umbrella handle angle.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provide a kind of intelligence parasols, bag Including umbrella cover, umbrella frame and umbrella handle, described umbrella cover is arranged on umbrella handle upper end by umbrella frame, also includes umbrella opener, controller, umbrella Handle rotary actuator, clock module, GPS module and control line, described umbrella handle rotary actuator is arranged on umbrella handle also Umbrella handle is divided into top umbrella handle and bottom umbrella handle, and described controller is arranged on umbrella handle rotary actuator, and described umbrella is opened Closing the top being arranged on the umbrella handle of top and being positioned at controller, described clock module is arranged in GPS module and lays respectively at On the umbrella handle of bottom, described controller, umbrella handle rotary actuator, clock module are connected by holding wire with GPS module, institute The umbrella handle rotary actuator stated controls top umbrella handle and automatically rotates an angle so that top umbrella handle and sun direct projection direction are same To, thus umbrella cover is just and the perpendicular angle in sun direct projection direction.
In a preferred embodiment of the present invention, the length of described top umbrella handle is less than the length of bottom umbrella handle.
In a preferred embodiment of the present invention, described controller and umbrella handle rotary actuator be integral type structure or Split-type structural.
In a preferred embodiment of the present invention, described umbrella handle rotary actuator uses angle displacement to control equipment.
In a preferred embodiment of the present invention, described intelligence parasols also includes communication module, described communication module Wireless connections are realized with mobile phone.
In a preferred embodiment of the present invention, described GPS module is replaced by communication module, described communication module with Mobile phone realizes wireless connections.
In a preferred embodiment of the present invention, described intelligence parasols accurately can calculate according to time and latitude information Go out certain place and shine upon direction, and determine the direction and angle that umbrella cover offsets, establish a set of according to the time with latitude information Carry out the mechanism of umbrella cover direction adjustment.
The invention has the beneficial effects as follows: the intelligent parasols of the present invention, it is possible at the weather that sunlight is hot, during according to difference Between the skew of section sunlight, be automatically adjusted the direction of umbrella handle and umbrella cover so that the direction of illumination of umbrella cover alignment sunlight, be preferably User's sunshade, this parasols adds controller, umbrella handle rotary actuator, time module and GPS on the basis of tradition parasols Module or communication module, obtain time and geographical location information from upper module, is used for determining this place sunlight at this very moment The angle irradiated, then controls the rotation of umbrella handle angle.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings Accompanying drawing, wherein:
Fig. 1 is the structural representation of a preferred embodiment of intelligence parasols of the present invention;
Fig. 2 is the structural representation of another preferred embodiment of intelligence parasols of the present invention;
Fig. 3 is the motion track of subsolar point on the earth in a year;
Fig. 4 is the angle schematic diagram shining upon ground;
Fig. 5 is the occupation mode of intelligence parasols;
Fig. 6 is the system diagram of intelligence parasols control system.
Detailed description of the invention
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common All other embodiments that technical staff is obtained under not making creative work premise, broadly fall into the model of present invention protection Enclose.
As it is shown in figure 1, the embodiment of the present invention includes:
A kind of intelligence parasols, including umbrella cover 1, umbrella frame 2 and umbrella handle 3, described umbrella cover 1 is arranged on umbrella handle 3 by umbrella frame 2 Upper end, also includes umbrella opener 4, and controller 5, umbrella handle rotary actuator 6, clock module 7, GPS module 8 and control line 9 are described Umbrella handle rotary actuator 6 be arranged on umbrella handle 3 and umbrella handle 3 be divided into top umbrella handle 31 and bottom umbrella handle 32, described control Device 5 processed is arranged on umbrella handle rotary actuator 6, and described umbrella opener 4 is arranged on top umbrella handle 31 and is positioned at controller 5 Top, described clock module 7 is arranged in GPS module 8 and lays respectively on bottom umbrella handle 32, described controller 5, umbrella handle Rotary actuator 6, clock module 7 are connected by holding wire 9 with GPS module 8, and described umbrella handle rotary actuator 6 is controlled Top processed umbrella handle 31 rotates an angle automatically so that in the same direction, thus umbrella cover 1 is just and too for top umbrella handle 31 and sun direct projection direction The perpendicular angle in sun direct projection direction.Wherein, the length of described top umbrella handle 31 is less than the length of bottom umbrella handle 32.
Further, described controller 5 and umbrella handle rotary actuator 6 are integral type structure or split-type structural.Its In, described umbrella handle rotary actuator 6 uses angle displacement to control equipment.
Concrete, this intelligence parasols is except being improved, tradition parasols including umbrella opener 4, controller 5, umbrella handle Rotary actuator 6, clock module 7, GPS module 8 and holding wire 9.
Controller 5 and umbrella handle rotary actuator 6 are positioned at umbrella handle 3 centre position, and they can be integrated, it is possible to To be the parts being separately implanted on umbrella handle.Clock module 7 is used for real time record current date and time, and GPS module 8 is used for obtaining Current latitude geographical position residing for umbrella, after obtaining the two information, is transferred to controller 5, controller 5 by holding wire 9 Calculate umbrella handle 3 and the angle of umbrella cover 1 needs rotation, drive umbrella handle rotary actuator 6 to rotate to the angle position calculated, Complete inclination and the sunshade function of umbrella cover 1.In the present embodiment, intelligence parasols is from becoming a system that can complete all functions.Real Another pattern, described intelligence parasols can also be used on border also to include communication module, described communication module and mobile phone Realize wireless connections.As shown in Figure 2, it is also possible to by communication module 10 replacement GPS module 8, by clock module 7 and communication module 10 Complete with mobile phone 11, or communication module 10 mobile phone 11 is completed, the communication module 10 on such parasols and mobile phone 11 realize wireless connections, such as, by bluetooth, the mode such as zigbee, wifi is attached, and then obtains parasols from mobile phone 11 Position Latitude information and temporal information, this mode is feasible because now people all can carry with have GPS function and Bluetooth or the smart mobile phone of wifi module, can be easy to be connected intelligence parasols with mobile phone 11.
The invention provides a kind of intelligent parasols and can accurately calculate certain place too according to time and latitude information Sun direction of illumination, and determine the direction and angle that umbrella cover offsets, establishes and a set of carries out umbrella cover side according to time and latitude information To the mechanism adjusted.Its main thought is the side that parasols can be automatically adjusted umbrella handle and umbrella cover according to the direction of sunlight To, make umbrella cover be directed at sunniness direction, preferably reach the function of sunshade.
Firstly the need of recognizing, earth rotation from West to East every day, subsolar point is the formation of at the earth's surface from east Movement locus westwards, as it is shown on figure 3, for the position of any one in addition to south poles on the earth, in appointing of any season He Yitian meets such rule that shines upon, earth rotation 360 degree, turns 15 degree per hour, if not considering the revolution of the earth Impact, then every day certain point on earth, the angle shining upon this point changes 15 degree per hour.If considering, the earth is public The impact turned, then will consider that (subsolar point is that earth surface sunlight injects angle for the point of vertical of the sun direct projection earth Be the place of 90 °) at all seasons in change.The warp at subsolar point place local time when being high noon 12, it is movable Rule is: the Spring Equinox (before and after March 21), subsolar point (0 °) under the line, hereafter moves northward;The Summer Solstice (before and after June 22), too Sun point of vertical is on the tropic of cancer (23 ° of 26 ' N), and hereafter south is moved;In the Autumnal Equinox (before and after JIUYUE 23 days), subsolar point is under the line (0 °), hereafter continues south and moves;In Winter Solstice (before and after December 22 days), subsolar point is on the tropic of Capricorn (23 ° of 26 ' S), after this Northwards move.Subsolar point motion track among 1 year is as shown in Figure 3.So for any one position on the earth, During local time high noon 12, the sun is all in peak relative to this position in a day, but is not necessarily point of vertical, this moment ground On parallel on ball, only one of which point is subsolar point, and on this parallel, other positions are also points at high noon 12, but sun direct projection The angle of this point is referred to as sun altitude γ, and the computing formula of γ is:
γ=90 °-(latitude of the latitude-subsolar point of this position) (1-1)
Such as it is to be understood that Beijing is at the altitude of the sun of summer solstice, Beijing is in north latitude 40 °, summer solstice subsolar point Position Latitude Be 23 ° of 26 ' N, thus just this formula available calculate altitude of the sun be 90 °-(40 ° N-23 ° 26 ' N)=73 ° 26 '.But On the earth, the latitude of subsolar point can occur regular change in 1 year, so the geographic latitude position of subsolar point Can calculate by below equation:
Geographic latitude position=23 ° 26 ' N (the R-6 month 22) * (23 ° 26 ' * 4/365) (1-2) of subsolar point
Wherein R is the date of some day, and (the R-6 month 22) is the natural law differed between this day with June 22, (23 ° 26 ' * 4/ 365) it is the latitude distance that moves every day of subsolar point.If result of calculation on the occasion of, then be north latitude;If negative value, then it is south Latitude.
After the geographic latitude position being calculated subsolar point some day by above formula, somewhere to be calculated high noon The sun altitude of 12, it is only necessary to know the geographic latitude of this position, it is possible to try to achieve with formula 1.
When certain position after the sun altitude γ of 12 is computed at high noon some day on the earth, it is possible to calculate this The three-dimensional perspective of the one any time sun this position incident.Concrete calculating process is referred to Fig. 4, and in Fig. 4, x-axis is ground A certain bar warp on ball, y-axis is a certain bar parallel on the earth, then initial point o is just for the longitude and latitude of certain point on the earth Position.P point is the sphere center position of the sun.Red circle represents the sun, then Po line is just irradiated to the direction of o point for sunlight, If light and vertical direction angle are ψ, o point, the sun altitude of 12 at noon is γ, and sunniness direction Po is at x-z-plane Projection and x-axis between angle be engraved in when being set to the most any after θ, θ angle was risen with regard to the sun every day warp direction relative to The position of place o.From rising to landing, angle increases by 15 degree per hour.It addition, the projection on the x-y plane of Po line and y-axis Between angle be φ.So according to Fig. 4 and formula 2-1 and 2-2, it is known that some day certain place orientation and the time, side Position includes that longitude and the latitude in this place, time include date of this day and the time being specifically accurate to hour, then utilization Formula 1-2 just can bring formula 1-1 into, it is possible to try to achieve the sun in this place in the hope of the geographic latitude position of subsolar point Elevation angle γ, and the time that θ angle can utilize any moment on the same day asks for, asking for formula is:
(1-3)
Here θ angle starts to be gradually increased from 0 from 6:00 AM, and 12 noon reaches 90 degree, and 18 o'clock to 180 degree in the afternoon.So Rear landing, therefore time t can only be limited between [6,18].After obtaining γ Yu θ by known conditions, it is possible to Fig. 4's Shine upon in the cuboid schematic diagram of address o point and calculate ψ angle and φ angle by geometrical relationship with triangle relation, so that it is determined that Sunlight irradiates the direction of address o, has also determined that parasols needs the direction of inclination, and ψ angle with the computing formula at φ angle is:
(1-4),
(1-5)。
Two above formula just completes the theoretical algorithm part of the present invention according to known positional information and temporal information, The design of intelligence parasols will be completed below according to this calculated results.
Common parasols is typically made up of umbrella cover, umbrella frame, umbrella handle, handle of umbrella and expanding unit, wherein launches dress Put and include manually and automatically two kinds of forms.Umbrella cover is made up of materials such as cloth, plastics or nylon, and its shape includes triangle, circular arc Face shape etc., but the plane of umbrella cover foot formation and the general perpendicular relation of umbrella handle.Controller 5 designed by the present invention and umbrella handle Rotary actuator 6 is placed on umbrella handle, and umbrella handle 3 is divided into upper and lower two parts by this controller 5 and umbrella handle rotary actuator 6, The part of controller 5 and umbrella handle rotary actuator more than 6 includes top umbrella handle 31, umbrella cover 1 and umbrella frame 2, controller 5 and umbrella Handle rotary actuator 6 automatically rotates an angle according to sunlight direct projection Angle ambiguity top umbrella handle 31, and this angle is exactly Sun direct projection direction so that top umbrella handle 31 and sun direct projection direction in the same direction, thus umbrella cover 1 just and sun direct projection direction is perpendicular Angle, reaches the function of sunshade, and its functional realiey mode is as shown in Figure 5.
In this intelligence parasols, control system is its core, is used for believing according to known positional information and time Breath calculates the value at ψ angle and φ angle, and as shown in Figure 6, this control system uses simple opened loop control the most completely to whole system figure Enough.
This system diagram comprises controller and two parts of parasols umbrella handle rotary actuator, and arrow represents that input and output become Amount.The input of whole system is local latitude positional information and temporal information, and the time includes date on the same day and current time.So Rear controller calculates and shines upon directional information, to control umbrella handle and the regulation in umbrella cover direction of parasols, the umbrella handle first half Divide and first rotate to φ position, then the φ angle of offset from perpendicular.Controller carrys out the rotation to umbrella handle according to the two variable Turn direction to operate, realized by umbrella handle rotary actuator.
Such a intelligent sunshade-rain sunshade Anywhere can be automatically according to local time and positional information at the earth Complete the sunshade function of automatization, there is well adapting to property.Traditional parasols is carried out intelligentized optimization, makes this general Logical necessary instrument of living can be the effect that user brings more preferable sunshade at hot fine day.The parasols of this invention can be automatically Regulate the direction of umbrella cover according to certain moment sunlight direction, overcome tradition and hide umbrella needs manually regulation umbrella cover position Shortcoming.
The intelligent parasols of the present invention, it is possible at the weather that sunlight is hot, according to the skew of different time sections sunlight, from Dynamic regulation umbrella handle and the direction of umbrella cover so that the direction of illumination of umbrella cover alignment sunlight, is preferably user's sunshade, and this parasols exists Controller, umbrella handle rotary actuator, time module and GPS module or communication module is added on the basis of tradition parasols, from Obtain time and geographical location information with upper module, be used for determining the angle of this place sunlight at this very moment, then control The rotation of umbrella handle angle.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this Equivalent structure or equivalence flow process that bright description is made convert, or are directly or indirectly used in other relevant technology neck Territory, is the most in like manner included in the scope of patent protection of the present invention.

Claims (7)

1. an intelligent parasols, including umbrella cover, umbrella frame and umbrella handle, described umbrella cover is arranged on umbrella handle by umbrella frame End, it is characterised in that also include umbrella opener, controller, umbrella handle rotary actuator, clock module, GPS module and control line, Described umbrella handle rotary actuator is arranged on umbrella handle and umbrella handle is divided into top umbrella handle and bottom umbrella handle, described controller Being arranged on umbrella handle rotary actuator, described umbrella opener is arranged on the umbrella handle of top and is positioned at the top of controller, described Clock module be arranged in GPS module and lay respectively on the umbrella handle of bottom, described controller, umbrella handle rotary actuator, Clock module is connected by holding wire with GPS module, and described umbrella handle rotary actuator controls top umbrella handle and automatically rotates One angle so that in the same direction, thus umbrella cover is just and the perpendicular angle in sun direct projection direction for top umbrella handle and sun direct projection direction.
Intelligence parasols the most according to claim 1, it is characterised in that the length of described top umbrella handle is less than bottom umbrella The length of handle.
Intelligence parasols the most according to claim 1, it is characterised in that described controller and umbrella handle rotary actuator For integral type structure or split-type structural.
Intelligence parasols the most according to claim 1, it is characterised in that described umbrella handle rotary actuator uses angle Bit andits control equipment.
Intelligence parasols the most according to claim 1, it is characterised in that described intelligence parasols also includes communication module, Described communication module and mobile phone realize wireless connections.
Intelligence parasols the most according to claim 5, it is characterised in that described GPS module is replaced by communication module, institute The communication module stated and mobile phone realize wireless connections.
Intelligence parasols the most according to claim 1, it is characterised in that described intelligence parasols can be according to time and latitude Information accurately calculates certain place and shines upon direction, and determines direction and angle that umbrella cover offsets, establishes a set of basis Time and latitude information carry out the mechanism of umbrella cover direction adjustment.
CN201610340363.9A 2016-05-23 2016-05-23 Intelligent sunshade umbrella Pending CN105901860A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107367940A (en) * 2017-08-23 2017-11-21 重庆大学 A kind of combining geographic location, weather and the blinds of building orientation window control method
CN111920160A (en) * 2020-08-16 2020-11-13 云知声智能科技股份有限公司 Intelligent sunshade umbrella
US10932535B2 (en) 2018-03-27 2021-03-02 Boe Technology Group Co., Ltd. Outdoor sunshade umbrella and method for using the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150114438A1 (en) * 2013-10-24 2015-04-30 Mario Jason Sunshade positioning device
CN204698014U (en) * 2015-04-29 2015-10-14 莆田学院 A kind of intelligent sunshading umbrella
CN204876787U (en) * 2015-06-19 2015-12-16 杭州万弗工业产品设计有限公司 Outdoor solar protection devices of intelligence
CN205757703U (en) * 2016-05-23 2016-12-07 苏州科技学院 A kind of intelligence parasols

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150114438A1 (en) * 2013-10-24 2015-04-30 Mario Jason Sunshade positioning device
CN204698014U (en) * 2015-04-29 2015-10-14 莆田学院 A kind of intelligent sunshading umbrella
CN204876787U (en) * 2015-06-19 2015-12-16 杭州万弗工业产品设计有限公司 Outdoor solar protection devices of intelligence
CN205757703U (en) * 2016-05-23 2016-12-07 苏州科技学院 A kind of intelligence parasols

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107367940A (en) * 2017-08-23 2017-11-21 重庆大学 A kind of combining geographic location, weather and the blinds of building orientation window control method
CN107367940B (en) * 2017-08-23 2020-01-03 重庆大学 Louver window control method combining geographical position, climate and building orientation
US10932535B2 (en) 2018-03-27 2021-03-02 Boe Technology Group Co., Ltd. Outdoor sunshade umbrella and method for using the same
CN111920160A (en) * 2020-08-16 2020-11-13 云知声智能科技股份有限公司 Intelligent sunshade umbrella

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