CN117888805A - Sunshade device, glass system and control method of glass system - Google Patents

Abstract

The invention relates to the technical field of door and window equipment, and provides a sunshade device, a glass system and a control method thereof, wherein the sunshade device comprises the following components: the device comprises a frame body, a first rotating shaft, a second rotating shaft, a third rotating shaft, a long film body and a supporting table, wherein the first rotating shaft is rotatably arranged on the frame body; one end of the film body is wound on the first rotating shaft, and the other end of the film body bypasses the top of the second rotating shaft and is fixedly connected with the counterweight; the third rotating shaft is supported on the film body between the first rotating shaft and the third rotating shaft; the weight of the third rotating shaft is more than twice the weight of the counterweight; the axes of the first rotating shaft and the second rotating shaft are horizontally arranged at intervals; the counterweight can be lifted between a first height position and a second height position; when the counterweight is positioned at the first height position, the third rotating shaft is supported on the supporting table.

Description

Sunshade device, glass system and control method of glass system

Technical Field

The invention belongs to the technical field of door and window equipment, and particularly relates to a sun shading device, a glass system and a control method thereof.

Background

The door and window is a weak link of the integral heat transfer of the building, the heat loss accounts for 40% -50% of the total heat loss of the building enclosure structure, and the influence on the running energy consumption of the building is great.

However, the traditional shading adjustment generally needs to be integrally updated or replaced for the door and window curtain wall, such as the old door and window is integrally removed and the new door and window is installed, the transformation cost and the carbon emission are high, the low-carbon requirement is not met, and a large amount of manpower and material resources are wasted.

The prior art has at least any one of the following problems: (1) The comprehensive performance of the door and window curtain wall, namely thermal engineering, sound insulation, fire prevention and the like cannot be improved. From the single performance (thermal performance is most) perspective, measures are taken to improve the performance, and the comprehensive performance of the door and window curtain wall cannot be improved through one set of devices. (2) it is not possible to adequately adapt to the variations in different meteorological conditions. In the prior art, although the requirements of different climates are considered, the requirements of different climates are selected and matched according to different climates during design and production, and the change of different climates cannot be met through one set of device, so that the application range of the device is limited. And (3) the number of the driving shafts is excessive, and the cost is high. In the prior art, when multiple films are regulated, the regulation is realized by means of multiple driving shafts, namely one driving shaft is required to drive one film, so that the number of the driving shafts is excessive, and the cost of the whole device is excessive.

Disclosure of Invention

The invention aims to provide a sunshade device, which solves the technical problem that a large amount of manpower and material resources are wasted when the whole curtain wall is required to be updated or replaced when the sunshade device on the curtain wall is regulated in the prior art.

In order to achieve the above purpose, the invention adopts the following technical scheme: there is provided a sunshade device comprising: the device comprises a frame body, a first rotating shaft, a second rotating shaft, a third rotating shaft, a long film body and a supporting table, wherein the first rotating shaft is rotatably arranged on the frame body; the axis of the first rotating shaft, the axis of the second rotating shaft and the axis of the third rotating shaft are arranged in parallel; the first rotating shaft and the second rotating shaft are horizontally arranged at intervals; one end of the film body is wound on the first rotating shaft, and the other end of the film body bypasses the top of the second rotating shaft and is fixedly connected with the counterweight; the third rotating shaft is supported on the film body between the first rotating shaft and the third rotating shaft; the weight of the third rotating shaft is more than twice the weight of the counterweight; the counterweight can be lifted between a first height position and a second height position; the second height position is higher than the first height position, and the second height position is lower than the top of the second rotating shaft; when the counterweight is positioned at the first height position, the third rotating shaft is supported on the supporting table.

Further, the axis of the first rotating shaft, the axis of the second rotating shaft and the axis of the third rotating shaft are respectively and horizontally arranged.

Further, the method further comprises the following steps: and the motor is arranged on the frame body and used for driving the first rotating shaft to rotate.

Further, the axis of the first rotating shaft and the axis of the second rotating shaft are the same in height.

Further, the method further comprises the following steps: a guide rail arranged on the frame body; in the width direction of the film body, two ends of the film body can slide along the guide rail, and the film body and the guide rail are sealed.

Further, the method further comprises the following steps: a limiting mechanism; the limiting mechanism can prevent the height of the counterweight from being higher than the second height position;

the film body comprises: the first membrane part, the second membrane part and the third membrane part are sequentially connected; the first film part is wound on the first rotating shaft, the counterweight is connected with the third film part, and two ends of the second film part are connected with the first film part and the second film part; light-supplying through light transmission channels are arranged below the first rotating shaft and the second rotating shaft;

When the counterweight is positioned at the first height position, the first film part, the second film part and the third film part are respectively positioned on the light transmission channel; when the first rotating shaft is rotated to enable the counterweight to be lifted from the first height position to the second height position, the second film part and the third film part are respectively positioned on the light transmission channel;

when the counterweight has been lifted to the second height position, and the first rotating shaft continues to rotate and winding the second film portion and the third film portion, the film body between the first rotating shaft and the second rotating shaft can lift the third rotating shaft to the third height position above the light transmission channel.

Further, the first film portion is: a non-transparent film.

Further, the second film portion is: a partially transparent film.

Further, the third film portion is: a transparent film.

Further, the first film portion or the second film portion may reflect 70% or more of sunlight.

Further, when the counterweight is in the first height position, the first film portion, the second film portion, and the third film portion combine to have a haze of less than 6;

And/or when the counterweight is in the second height position, the second film portion and the third film portion combine to have a haze of less than 6.

Further, the first membrane portion, the second membrane portion, and the third membrane portion are made of a material that is fire resistant for 30 minutes;

and/or the first, second, and third membrane portions, in combination, may reduce noise by at least 30 dB.

Further, when the counterweight is switched between the first height position and the second height position, the solar heat gain coefficient of the combination of the first film portion, the second film portion and the third film portion is changed between 0.2 and 0.8.

And/or when the counterweight is switched between the first height position and the second height position, the heat transfer coefficient of the first film part, the second film part and the third film part combined together is changed between 0.3 and 1.5W/square meter K.

Further, the limit mechanism includes: the first limiting table and the second limiting table are arranged on the frame body;

The counterweight is in a strip shape and extends in a horizontal straight line direction; the third membrane part is connected to the counterweight along the extending direction of the counterweight; the third membrane part is connected to the middle areas of the two ends of the counterweight; the first limiting table is positioned on the lifting path of one end of the counterweight, and the second limiting table is positioned on the lifting path of the other end of the counterweight; when the counterweight is lifted to the second height position, one end of the counterweight is abutted against the bottom of the first limiting table, and the other end of the counterweight is abutted against the bottom of the second limiting table.

The invention also provides a glass system, further comprising: a glass member and the sun shade; the film body and the outdoor space are respectively positioned at two sides of the glass piece.

The invention also provides a glass system control method, which comprises the following steps: the glass system;

Further comprises:

s1: a preparation time sensor, a temperature sensor, a solar radiation sensor, a driver for driving the first rotation shaft to rotate, and a controller; acquiring the current season and time according to the time sensor, and judging the season at the moment in an auxiliary way through the temperature sensor; the solar radiation sensor assists in judging day and night through solar radiation intensity;

S2: presetting a winter and summer night control mode, a winter and summer cloudy control mode, a summer sunny control mode, a winter and sunny control mode and a summer cloudy control mode;

S3: the controller judges which control mode is preset according to the signals of the time sensor, the temperature sensor and the solar radiation sensor;

s4: when the indoor heat insulation type air conditioner is in a winter and summer night control mode, the controller controls the first rotating shaft to rotate so that the film body is fully unfolded, and the first film part, the second film part and the third film part realize heat insulation and opaqueness together, so that the heat of a winter room is prevented from being lost, the cold of the summer room is prevented from overflowing to the greatest extent, and the indoor privacy is protected;

S5: when the controller is in the winter cloudy control mode and the summer sunny control mode, the controller controls the first rotating shaft to rotate so that the counterweight is lifted to a second height position, the first film part is contained on the first rotating shaft, and the second film part and the third film part are positioned on the light transmission channel together, so that the heat preservation and lighting effects are realized in winter cloudy days and the cold preservation and sun shading effects are realized in summer sunny days;

s6: when in the winter sunny control mode and the summer cloudy control mode, the first rotating shaft rotates to enable the counterweight to be lifted to a second height position and the third rotating shaft to be lifted to the third height position, and the first film part, the second film part and the third film part are contained on the first rotating shaft; the first film part, the second film part and the third film part all avoid the light transmission channel, play a role in furthest passive heating and lighting in sunny days in winter, and play a role in transparent lighting in overcast days in summer.

The sun-shading device provided by the invention has the beneficial effects that: compared with the prior art, the sun-shading device provided by the invention has the advantages that the first rotating shaft is rotatably arranged on the frame body, and the second rotating shaft is rotatably arranged on the frame body; the axis of the first rotating shaft, the axis of the second rotating shaft and the axis of the third rotating shaft are respectively arranged in parallel; in the horizontal direction, the first rotating shaft and the second rotating shaft are arranged at intervals; the membrane body is in a strip shape; one end of the film body is wound on the first rotating shaft, the film body can be stored and wound on the first rotating shaft when the first rotating shaft rotates in one direction, and the film body wound on the first rotating shaft can be released when the first rotating shaft rotates in the other direction; the other end of the film body bypasses the top of the second rotating shaft, so that the film body can be supported on the top of the second rotating shaft; the membrane body bypassing the top of the second rotating shaft is hung with a counterweight, and the counterweight can pull the membrane body downwards; the third rotating shaft is supported on the film body between the first rotating shaft and the second rotating shaft, namely the third rotating shaft can downwards press the film body between the first rotating shaft and the second rotating shaft; that is, the film body at one side of the third rotating shaft is wound on the first rotating shaft, the film body at the other side of the third rotating shaft is connected with the counterweight after bypassing the top of the second rotating shaft, the third rotating shaft is supported on the film body between the first rotating shaft and the second rotating shaft, and the third rotating shaft can roll on the film body; (it can be understood that the first rotating shaft is a first fixed pulley, the second rotating shaft is a second fixed pulley, one end of the film body is wound on the first fixed pulley, the other end of the film body is connected with the counterweight through the second fixed pulley, the third rotating shaft is a movable pulley and is supported on the film body between the first rotating shaft and the second rotating shaft, the third rotating shaft can roll on the film body; the gravity of the third rotating shaft is distributed on the film body between the first rotating shaft and the second rotating shaft, the counterweight tightens the film body on one side of the second rotating shaft in a vertical downward direction, the film body on the other side of the second rotating shaft is also tightens downwards, the weight of the third rotating shaft is more than twice that of the counterweight, and under the condition of removing external force, the third rotating shaft can drop downwards and lift the counterweight; when the third rotating shaft falls down and is supported on the supporting table, the counterweight is kept at the first height position and is in a suspended state; when the first rotating shaft rotates and the film body is wound and contained on the first rotating shaft, the height of the counterweight is gradually raised; the change of the membrane shielding area between the counterweight and the second rotating shaft can be changed in the lifting process of the counterweight, so that the adjustment is very convenient, and manpower and material resources are saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a sunshade device according to an embodiment of the present invention (a counterweight is located at a first height position, and a third rotating shaft is supported on a supporting table) (an observation direction is parallel to an extending direction of the first rotating shaft);

FIG. 2 is a schematic view of a sunshade device according to an embodiment of the present invention (a counterweight is supported on a support table during a process of being lifted from a first height position to a second height position);

FIG. 3 is a schematic view of a sunshade device according to an embodiment of the present invention (the counterweight is located at a second height position, and the third rotating shaft is supported on the supporting table);

Fig. 4 is a schematic view of a sunshade device according to an embodiment of the present invention (the counterweight is located at the second height position, and the third rotating shaft is located at the third height position).

Wherein, each reference sign in the figure:

1-a frame body; 11-a support table; 21-a first spindle; 22-a second rotating shaft; 23-a third rotating shaft; 3-membrane body; 31-a first membrane portion; 32-a second membrane portion; 33-a third membrane portion; 4-a counterweight; 5-an optical transmission channel; 6-glass piece.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that, in the description of the embodiments of the present application, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. Wherein A and B may be singular or plural, respectively.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 4, a sunshade device according to the present invention will be described. The sunshade device comprises: the device comprises a frame body 1, a first rotating shaft 21 rotatably arranged on the frame body 1, a second rotating shaft 22 rotatably arranged on the frame body 1, a third rotating shaft 23, a long strip-shaped film body 3 and a supporting table 11 arranged on the frame body 1; the axis of the first rotating shaft 21, the axis of the second rotating shaft 22 and the axis of the third rotating shaft 23 are arranged in parallel; the first rotating shaft 21 and the second rotating shaft 22 are horizontally arranged at intervals; one end of the film body 3 is wound on the first rotating shaft 21, and the other end of the film body 3 bypasses the top of the second rotating shaft 22 and is fixedly connected with the counterweight 4; the third rotating shaft 23 is supported on the film body 3 between the first rotating shaft 21 and the third rotating shaft 23; the weight of the third rotating shaft 23 is more than twice the weight of the counterweight 4; the counterweight 4 is liftable between a first height position and a second height position; the second height position is higher than the first height position, and the second height position is lower than the top of the second rotating shaft 22; when the counterweight 4 is located at the first height position, the third rotation shaft 23 is supported on the support table 11.

Thus, the first rotating shaft 21 is rotatably arranged on the frame body 1, and the second rotating shaft 22 is rotatably arranged on the frame body 1; the axis of the first rotating shaft 21, the axis of the second rotating shaft 22 and the axis of the third rotating shaft 23 are respectively arranged in parallel; in the horizontal direction, the first rotating shaft 21 and the second rotating shaft 22 are arranged at intervals; the membrane body 3 is in a strip shape; one end of the film body 3 is wound on the first rotating shaft 21, the film body 3 can be stored and wound on the first rotating shaft 21 when the first rotating shaft 21 rotates in one direction, and the film body 3 wound on the first rotating shaft 21 can be released when the first rotating shaft 21 rotates in the other direction; the other end of the membrane body 3 bypasses the top of the second rotating shaft 22, so that the membrane body 3 can be supported on the top of the second rotating shaft 22; a counterweight 4 is hung on the membrane body 3 bypassing the top of the second rotating shaft 22, and the counterweight 4 can downwards tighten the membrane body 3; the third rotating shaft 23 is supported on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, that is, the third rotating shaft 23 can press down the film body 3 between the first rotating shaft 21 and the second rotating shaft 22; that is, the film body 3 at one side of the third rotating shaft 23 is wound on the first rotating shaft 21, the film body 3 at the other side of the third rotating shaft 23 is connected with the counterweight 4 after bypassing the top of the second rotating shaft 22, the third rotating shaft 23 is supported on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, and the third rotating shaft 23 can roll on the film body 3; (it can be understood that the first rotating shaft 21 is a first fixed pulley, the second rotating shaft 22 is a second fixed pulley, one end of the film body 3 is wound on the first fixed pulley, the other end of the film body 3 passes through the second fixed pulley and is connected with the counterweight 4, the third rotating shaft 23 is a movable pulley, the third rotating shaft 23 is supported on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, and the third rotating shaft 23 can roll on the film body 3; the gravity of the third rotating shaft 23 is distributed on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, the counterweight 4 tightens the film body 3 on one side of the second rotating shaft 22 in a downward vertical direction, the film body 3 on the other side of the second rotating shaft 22 is also tightened by the third rotating shaft 23, the weight of the third rotating shaft 23 is more than twice that of the counterweight 4, and the counterweight 4 can drop downwards and lift the counterweight 4 under the condition that the external force is removed; when the third rotating shaft 23 falls and is supported on the supporting table 11, the counterweight 4 is kept at the first height position and is in a suspended state; when the first rotating shaft 21 rotates (in one embodiment, the rotation of the first rotating shaft 21 may be performed manually or by an external motor) and the film body 3 is wound and stored on the first rotating shaft 21, the height of the counterweight 4 is gradually raised; the change of the shielding area of the membrane body 3 between the counterweight 4 and the second rotating shaft 22 can be changed in the lifting process of the counterweight 4, so that the adjustment is very convenient, and the manpower and material resources are saved.

In one embodiment, the top surface of the supporting table 11 is a plane, and the third rotating shaft 23 may be supported on the top surface of the supporting table 11.

In one embodiment, the first rotation shaft 21 and the third rotation shaft 23 are disposed at intervals in the vertical direction. In one embodiment, the second rotating shaft 22 and the third rotating shaft 23 are disposed at intervals in the vertical direction;

In one embodiment, the third rotating shaft 23 is supported on the supporting table 11 in the following manner: the third rotation shaft 23 is directly supported on the support table 11. In one embodiment, the third rotating shaft 23 is supported on the supporting table 11 in the following manner: the third rotation shaft 23 is supported on the support table 11 indirectly through the film body 3 (in the vertical direction, the film body 3 is sandwiched between the support table 11 and the third rotation shaft 23).

In one embodiment, the membrane bodies 3 on both sides of the third rotation shaft 23 extend in the vertical direction. In one embodiment, the film bodies 3 on two sides of the third rotating shaft 23 are V-shaped with upward openings.

In one embodiment, the weight ratio of the third rotating shaft 23 to the counterweight 4 may be varied, and the counterweight 4 can not lift the third rotating shaft 23 under the action of its own weight only by removing the external force.

In one embodiment, the first rotating shaft 21 has a cylindrical shape, and the first rotating shaft 21 rotates around its central symmetry axis.

In one embodiment, the second rotating shaft 22 is cylindrical, and the second rotating shaft 22 rotates around its central symmetry axis.

In one embodiment, the third rotating shaft 23 has a cylindrical shape, and the third rotating shaft 23 rotates around its central symmetry axis.

In one embodiment, the axis of the first rotation shaft 21 is a straight line. In one embodiment, the axis of the first rotary shaft 21 is disposed horizontally. In one embodiment, the axis of the second shaft 22 is a straight line. In one embodiment, the axis of the second shaft 22 is disposed horizontally. In one embodiment, the axis of the third rotation shaft 23 is a straight line. In one embodiment, the axis of the third rotating shaft 23 is disposed horizontally.

Further, referring to fig. 1 to fig. 4, as a specific embodiment of the sunshade device provided by the present invention, the sunshade device further includes: a motor provided on the frame 1 for driving the first rotation shaft 21 to rotate. In this way, it is very convenient to control the rotation of the first rotation shaft 21 by the motor.

Further, referring to fig. 1 to 4, as a specific embodiment of the sunshade device provided by the present invention, the heights of the axes of the first rotating shaft 21 and the second rotating shaft 22 are the same.

Further, referring to fig. 1 to fig. 4, as a specific embodiment of the sunshade device provided by the present invention, the sunshade device further includes: a guide rail arranged on the frame body 1; in the width direction of the film body 3, two ends of the film body 3 can slide along the guide rail, and the film body 3 and the guide rail are sealed. Thus, the sealing property is improved.

Further, referring to fig. 1 to fig. 4, as a specific embodiment of the sunshade device provided by the present invention, the sunshade device further includes: a limiting mechanism; the limiting mechanism can prevent the height of the counterweight 4 from being higher than the second height position; the film body 3 includes: a first film portion 31, a second film portion 32, and a third film portion 33 connected in this order; the first film 31 is wound around the first rotating shaft 21, the counterweight 4 is connected with the third film 33, and two ends of the second film 32 are connected with the first film 31 and the second film 32; the lower parts of the first rotating shaft 21 and the second rotating shaft 22 are provided with a light transmission channel 5 for light to pass through; when the counterweight 4 is located at the first height position, the first film portion 31, the second film portion 32, and the third film portion 33 are located on the light transmission channel 5, respectively; when the first rotation shaft 21 is rotated to raise the weight 4 from the first height position to the second height position, the second film portion 32 and the third film portion 33 are respectively located on the light transmission channel 5; when the weight 4 has been raised to the second height position and the first rotation shaft 21 continues to rotate and the second and third film portions 32 and 33 are wound, the film body 3 between the first and second rotation shafts 21 and 22 can raise the third rotation shaft 23 to the third height position above the light transmission channel 5. As such, when the weight 4 is located at the first height position, the first film portion 31, the second film portion 32, and the third film portion 33 are all located on the light transmission channel 5 to block light; when the weight 4 is located at the second height position, the weight 4 is located above the light transmission channel 5, and the second film portion 32 and the third film portion 33 are located on the light transmission channel 5 to block light; when the weight 4 is lifted to the second height position, the limiting mechanism may prevent the weight 4 from being lifted further, if the first rotating shaft 21 is kept to receive the film body 3, the length of the film body 3 between the first rotating shaft 21 and the second rotating shaft 22 may be gradually shortened as the film body 3 is received while the weight 4 is kept to the second height position by itself, the position of the third rotating shaft 23 may be lifted while the film body 3 between the first rotating shaft 21 and the second rotating shaft 22 is shortened until the third rotating shaft 23 is lifted to the third height position, and the first film portion 31, the second film portion 32, and the third film portion 33 all avoid the light transmission path 5 to avoid shielding of light.

In one embodiment, the light transmission channel 5 is a space through which light passes. In one embodiment, the light transmission channel 5 extends in a horizontal straight direction.

Further, referring to fig. 1 to 4, as an embodiment of the sunshade device provided by the present invention, the first film portion 31 is: a non-transparent film. Thus, the light is conveniently shielded.

In one embodiment, the first membrane portion 31 is a fabric curtain. Thus, the base functional effects of decoration, fire prevention and sound insulation are achieved.

Further, referring to fig. 1 to 4, as an embodiment of the sunshade device provided by the present invention, the second film portion 32 is: a partially transparent film. Thus, part of light rays can pass through conveniently.

In one embodiment, the second membrane portion 32 is a veil. As such, serves a visual and aesthetic additional functional role.

Further, referring to fig. 1 to 4, as an embodiment of the sunshade device provided by the present invention, the third film portion 33 is: a transparent film. Thus, light rays can pass through conveniently.

In one embodiment, the third membrane portion 33 is a thin membrane curtain. In one embodiment, the third film portion 33 is a low emissivity film, a reflective film. Thus, the solar energy-saving heat preservation, sunshade, lighting and other energy-saving functions are achieved.

Further, referring to fig. 1 to 4, as an embodiment of the sunshade device provided by the present invention, the first film portion 31 or the second film portion 32 can reflect more than 70% of sunlight. Thus, a large amount of solar radiation is reflected by a total spectral reflection mode, and the indoor solar radiation heating is reduced.

Further, referring to fig. 1 to 4, as an embodiment of the sunshade device provided by the present invention, when the counterweight 4 is located at the first height position, the haze of the combination of the first film portion 31, the second film portion 32, and the third film portion 33 is less than 6. Therefore, the imaging capability of the whole system is ensured, and the communication requirement of indoor personnel and outdoor sceneries is met.

In one embodiment, the second film portion 32 and the third film portion 33 combine to have a haze of less than 6 when the counterweight 4 is in the second height position. Therefore, the imaging capability of the whole system is ensured, and the communication requirement of indoor personnel and outdoor sceneries is met.

Further, referring to fig. 1 to 4, as an embodiment of the sunshade device provided by the present invention, the first film portion 31, the second film portion 32, and the third film portion 33 are made of a material that can withstand fire for 30 minutes. Thus, the heat preservation effect is improved.

In one embodiment, the first film portion 31, the second film portion 32, and the third film portion 33 combine to reduce noise by at least 30 dB. Thus, the sound insulation effect is improved.

Further, referring to fig. 1 to 4, as a specific embodiment of the sunshade device provided by the present invention, when the counterweight 4 is switched between the first height position and the second height position, the solar thermal coefficient of the combination of the first film portion 31, the second film portion 32, and the third film portion 33 varies between 0.2 and 0.8. In this way, a balance can be maintained between sunshade and heat preservation.

In one embodiment, when counterweight 4 is switched between the first height position and the second height position, first film portion 31, second film portion 32, and third film portion 33 combine to have a heat transfer coefficient that varies between 0.3 and 1.5W/·k. In this way, a balance can be maintained between sunshade and heat preservation.

Further, referring to fig. 1 to 4, as a specific embodiment of the sunshade device provided by the present invention, the limiting mechanism includes: the first limiting table and the second limiting table are arranged on the frame body 1; the counterweight 4 is in a strip shape, and the counterweight 4 extends in a horizontal straight line direction; the third film portion 33 is connected to the weight 4 in the extending direction of the weight 4; the third membrane part 33 is connected to the middle area of the two ends of the counterweight 4; the first limiting table is positioned on the lifting path at one end of the counterweight 4, and the second limiting table is positioned on the lifting path at the other end of the counterweight 4; when the counterweight 4 is lifted to the second height position, one end of the counterweight 4 is abutted on the bottom of the first limiting table, and the other end of the counterweight 4 is abutted on the bottom of the second limiting table.

Referring to fig. 1 to 4, the present invention further provides a glass system, further comprising: a glass member 6 and a sunshade device; the film body 3 and the outdoor space are respectively positioned at two sides of the glass piece 6. Thus, due to the adoption of the sunshade device, the first rotating shaft 21 is rotatably arranged on the frame body 1, and the second rotating shaft 22 is rotatably arranged on the frame body 1; the membrane body 3 is in a strip shape; one end of the film body 3 is wound on the first rotating shaft 21, the film body 3 can be stored and wound on the first rotating shaft 21 when the first rotating shaft 21 rotates in one direction, and the film body 3 wound on the first rotating shaft 21 can be released when the first rotating shaft 21 rotates in the other direction; the other end of the membrane body 3 bypasses the top of the second rotating shaft 22, so that the membrane body 3 can be supported on the top of the second rotating shaft 22; a counterweight 4 is hung on the membrane body 3 bypassing the top of the second rotating shaft 22, and the counterweight 4 can downwards tighten the membrane body 3; the third rotating shaft 23 is supported on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, that is, the third rotating shaft 23 can press down the film body 3 between the first rotating shaft 21 and the second rotating shaft 22; that is, the film body 3 at one side of the third rotating shaft 23 is wound on the first rotating shaft 21, the film body 3 at the other side of the third rotating shaft 23 is connected with the counterweight 4 after bypassing the top of the second rotating shaft 22, the third rotating shaft 23 is supported on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, and the third rotating shaft 23 can roll on the film body 3; (it can be understood that the first rotating shaft 21 is a first fixed pulley, the second rotating shaft 22 is a second fixed pulley, one end of the film body 3 is wound on the first fixed pulley, the other end of the film body 3 passes through the second fixed pulley and is connected with the counterweight 4, the third rotating shaft 23 is a movable pulley, the third rotating shaft 23 is supported on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, and the third rotating shaft 23 can roll on the film body 3; the gravity of the third rotating shaft 23 is distributed on the film body 3 between the first rotating shaft 21 and the second rotating shaft 22, the counterweight 4 tightens the film body 3 on one side of the second rotating shaft 22 in a downward vertical direction, the film body 3 on the other side of the second rotating shaft 22 is also tightened by the third rotating shaft 23, the weight of the third rotating shaft 23 is more than twice that of the counterweight 4, and the counterweight 4 can drop downwards and lift the counterweight 4 under the condition that the external force is removed; when the third rotating shaft 23 falls and is supported on the supporting table 11, the counterweight 4 is kept at the first height position and is in a suspended state; when the first rotating shaft 21 rotates (in one embodiment, the rotation of the first rotating shaft 21 may be performed manually or by an external motor) and the film body 3 is wound and stored on the first rotating shaft 21, the height of the counterweight 4 is gradually raised; the change of the shielding area of the film body 3 between the counterweight 4 and the second rotating shaft 22 can be changed in the lifting process of the counterweight 4, so that the adjustment is very convenient, and the manpower and material resources are saved; when the counterweight 4 is located at the first height position, the first film portion 31, the second film portion 32, and the third film portion 33 are all located on the light transmission channel 5 to block light; when the weight 4 is located at the second height position, the weight 4 is located above the light transmission channel 5, and the second film portion 32 and the third film portion 33 are located on the light transmission channel 5 to block light; when the weight 4 is lifted to the second height position, the limiting mechanism may prevent the weight 4 from being lifted further, if the first rotating shaft 21 is kept to receive the film body 3, the length of the film body 3 between the first rotating shaft 21 and the second rotating shaft 22 may be gradually shortened as the film body 3 is received while the weight 4 is kept to the second height position by itself, the position of the third rotating shaft 23 may be lifted while the film body 3 between the first rotating shaft 21 and the second rotating shaft 22 is shortened until the third rotating shaft 23 is lifted to the third height position, and the first film portion 31, the second film portion 32, and the third film portion 33 all avoid the light transmission path 5 to avoid shielding of light.

Referring to fig. 1 to 4, the present invention further provides a glass system control method, which includes: the glass system; further comprises: s1: a preliminary time sensor, a temperature sensor, a solar radiation sensor, a driver for driving the first rotation shaft 21 to rotate, and a controller; acquiring the current season and time according to the time sensor, and judging the season at the moment in an auxiliary way through the temperature sensor; the solar radiation sensor assists in judging day and night through solar radiation intensity; s2: presetting a winter and summer night control mode, a winter and summer cloudy control mode, a summer sunny control mode, a winter and sunny control mode and a summer cloudy control mode; s3: the controller judges which control mode is preset according to signals of the time sensor, the temperature sensor and the solar radiation sensor; s4: when the film body is in the winter and summer night control mode, the controller controls the first rotating shaft 21 to rotate so as to enable the film body 3 to be fully unfolded, and the first film part 31, the second film part 32 and the third film part 33 realize the functions of heat preservation, heat insulation and opacity together; the heat loss of the room in winter and the overflow of the cold quantity of the room in summer can be guaranteed to the greatest extent, and the indoor privacy S5 is protected: when the light transmission channel 5 is in the winter daytime and sunny day control mode and the summer daytime and sunny day control mode, the controller controls the first rotating shaft 21 to rotate so as to enable the counterweight 4 to be lifted to a second height position, the first film part 31 is accommodated on the first rotating shaft 21, and the second film part 32 and the third film part 33 are positioned on the light transmission channel 5 together to realize the functions of heat preservation, heat insulation and shading; the effects of heat preservation and lighting are realized in the shade in winter and cold preservation and sunshade are realized in the sunny in summer; s6: when in the winter sunny control mode and the summer cloudy control mode, the first rotating shaft 21 rotates to enable the counterweight 4 to be lifted to the second height position and the third rotating shaft 23 to be lifted to the third height position, and the first film part 31, the second film part 32 and the third film part 33 are contained on the first rotating shaft 21; the first film portion 31, the second film portion 32, and the third film portion 33 each avoid the light transmission channel 5; the solar energy heating and lighting device has the functions of furthest passive heating and lighting in sunny days in winter and transparent lighting in cloudy days in summer. In this way, the user can store different portions of the first film portion 31, the second film portion 32, and the third film portion 33 according to different modes, and control the light shielding or heat retaining state.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.

Claims (16)

1. A sun shade apparatus, comprising: the device comprises a frame body, a first rotating shaft, a second rotating shaft, a third rotating shaft, a long film body and a supporting table, wherein the first rotating shaft is rotatably arranged on the frame body; the axis of the first rotating shaft, the axis of the second rotating shaft and the axis of the third rotating shaft are arranged in parallel; the first rotating shaft and the second rotating shaft are horizontally arranged at intervals; one end of the film body is wound on the first rotating shaft, and the other end of the film body bypasses the top of the second rotating shaft and is fixedly connected with the counterweight; the third rotating shaft is supported on the film body between the first rotating shaft and the third rotating shaft; the weight of the third rotating shaft is more than twice the weight of the counterweight; the counterweight can be lifted between a first height position and a second height position; the second height position is higher than the first height position, and the second height position is lower than the top of the second rotating shaft; when the counterweight is positioned at the first height position, the third rotating shaft is supported on the supporting table.

2. The sunshade device according to claim 1, wherein the axis of the first shaft, the axis of the second shaft, and the axis of the third shaft are each disposed horizontally.

3. The sun shade of claim 1, further comprising: and the motor is arranged on the frame body and used for driving the first rotating shaft to rotate.

4. The sun shade of claim 1, wherein the axis of the first shaft and the axis of the second shaft are the same height.

5. The sun shade of claim 1, further comprising: a guide rail arranged on the frame body; in the width direction of the film body, two ends of the film body can slide along the guide rail, and the film body and the guide rail are sealed.

6. The sun shade as defined in any one of claims 1 to 5, further comprising: a limiting mechanism; the limiting mechanism can prevent the height of the counterweight from being higher than the second height position;

the film body comprises: the first membrane part, the second membrane part and the third membrane part are sequentially connected; the first film part is wound on the first rotating shaft, the counterweight is connected with the third film part, and two ends of the second film part are connected with the first film part and the second film part; light-supplying through light transmission channels are arranged below the first rotating shaft and the second rotating shaft;

When the counterweight is positioned at the first height position, the first film part, the second film part and the third film part are respectively positioned on the light transmission channel; when the first rotating shaft is rotated to enable the counterweight to be lifted from the first height position to the second height position, the second film part and the third film part are respectively positioned on the light transmission channel;

when the counterweight has been lifted to the second height position, and the first rotating shaft continues to rotate and winding the second film portion and the third film portion, the film body between the first rotating shaft and the second rotating shaft can lift the third rotating shaft to the third height position above the light transmission channel.

7. The sun shade of claim 6, wherein the first film portion is: a non-transparent film.

8. The sun shade of claim 6, wherein the second film portion is: a partially transparent film.

9. The sun shade of claim 6, wherein the third film portion is: a transparent film.

10. The sun shade of claim 6, wherein the first film portion or the second film portion reflects greater than 70% of sunlight.

11. The sun shade of claim 6, wherein when the counterweight is in the first height position, the first film portion, the second film portion, and the third film portion combine to have a haze of less than 6;

And/or when the counterweight is in the second height position, the second film portion and the third film portion combine to have a haze of less than 6.

12. The sun shade of claim 6, wherein the first film portion, the second film portion, and the third film portion are made of a material that is fire resistant for 30 minutes;

and/or the first, second, and third membrane portions, in combination, may reduce noise by at least 30 dB.

13. The sun shade of claim 6, wherein the solar thermal coefficient of the combination of the first film portion, the second film portion, and the third film portion varies between 0.2 and 0.8 when the counterweight is switched between the first height position and the second height position.

And/or when the counterweight is switched between the first height position and the second height position, the heat transfer coefficient of the first film part, the second film part and the third film part combined together is changed between 0.3 and 1.5W/square meter K.

14. The sun shade of claim 6, wherein the limiting mechanism comprises: the first limiting table and the second limiting table are arranged on the frame body;

The counterweight is in a strip shape and extends in a horizontal straight line direction; the third membrane part is connected to the counterweight along the extending direction of the counterweight; the third membrane part is connected to the middle areas of the two ends of the counterweight; the first limiting table is positioned on the lifting path of one end of the counterweight, and the second limiting table is positioned on the lifting path of the other end of the counterweight; when the counterweight is lifted to the second height position, one end of the counterweight is abutted against the bottom of the first limiting table, and the other end of the counterweight is abutted against the bottom of the second limiting table.

15. A glass system, further comprising: glass and sun protection device according to any one of claims 6 to 14; the film body and the outdoor space are respectively positioned at two sides of the glass piece.

16. The method of controlling a glass system according to claim 15, comprising: comprising the following steps:

s1: a preparation time sensor, a temperature sensor, a solar radiation sensor, a driver for driving the first rotation shaft to rotate, and a controller; acquiring the current season and time according to the time sensor, and judging the season at the moment in an auxiliary way through the temperature sensor; the solar radiation sensor assists in judging day and night through solar radiation intensity;

S2: presetting a winter and summer night control mode, a winter and summer cloudy control mode, a summer sunny control mode, a winter and sunny control mode and a summer cloudy control mode;

S3: the controller judges which control mode is preset according to the signals of the time sensor, the temperature sensor and the solar radiation sensor;

s4: when the indoor heat insulation type indoor heat insulation device is in the winter and summer night control mode, the controller controls the first rotating shaft to rotate so that the film body is fully unfolded, and the first film part, the second film part and the third film part realize the heat insulation and opacity effects together, so that the heat of a winter room is prevented from being dissipated, the cold of the summer room is prevented from overflowing to the greatest extent, and the indoor privacy is protected;

S5: when the controller is in the winter cloudy control mode and the summer sunny control mode, the controller controls the first rotating shaft to rotate so that the counterweight is lifted to a second height position, the first film part is contained on the first rotating shaft, and the second film part and the third film part are positioned on the light transmission channel together, so that the heat preservation and lighting effects are realized in winter cloudy days and the cold preservation and sun shading effects are realized in summer sunny days;

s6: when in the winter sunny control mode and the summer cloudy control mode, the first rotating shaft rotates to enable the counterweight to be lifted to a second height position and the third rotating shaft to be lifted to the third height position, and the first film part, the second film part and the third film part are contained on the first rotating shaft; the first film part, the second film part and the third film part all avoid the light transmission channel, play a role in furthest passive heating and lighting in sunny days in winter, and play a role in transparent lighting in overcast days in summer.