CN213204748U - Sun-shading device suitable for grid structure - Google Patents

Abstract

The utility model relates to a building technical field discloses a solar protection devices suitable for spatial grid structure, and it includes the rack, the rack includes two at least rack monomers, each the rack monomer all is located same face and interconnect, and this face can be plane or curved surface, be connected with sunshade spare on the rack monomer, sunshade spare is in the planar orthographic projection area under the rack monomer does the rack monomer is at 35% ~ 60% of this planar projected area. The utility model provides a solar protection devices suitable for spatial grid structure compromises daylighting effect, has the thermal-insulated effect of sunshade simultaneously, and is energy-concerving and environment-protective.

Description

Sun-shading device suitable for grid structure

Technical Field

The utility model relates to a building technical field especially relates to a solar protection devices suitable for spatial grid structure.

Background

At present, the ceiling of a building is constituted by a grid, which is a planar or spatial structure with triangular cells made up of bars. Specifically, as shown in fig. 1, the net rack includes a plurality of upper chords and lower chords located below the upper chords, the upper chords are connected with the lower chords through obliquely arranged connecting rods, and a triangular structure is formed among the upper chords, the lower chords and the connecting rods. The upper chord, the lower chord and the connecting rod of the net rack can not form an effective sunshade surface, so that the greenhouse effect is easily formed, the building environment quality is reduced, and the building energy consumption is increased.

In order to solve the above problems, a sunshade device suitable for a grid structure is provided, in which a layer of sunshade cloth is covered on a canopy frame, and although this method can achieve the effect of sunshade, it cannot give consideration to lighting. The building using the sun-shading device applicable to the grid structure does not fully utilize natural light, the internal light is darker, and the building needs to be illuminated by lamplight even in the daytime, so that the energy consumption is higher.

Especially in tropical and subtropical regions, the sun-shading and heat-insulating performance of buildings needs to be paid great attention, and a lighting atrium constructed by a common net rack cannot meet the requirements of vision, building quality and energy conservation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a solar protection devices suitable for spatial grid structure, it compromises daylighting effect, has the thermal-insulated effect of sunshade simultaneously, and is energy-concerving and environment-protective.

In order to achieve the purpose, the utility model provides a solar protection devices suitable for spatial grid structure, it includes the rack, the rack includes two at least rack monomers, each the rack monomer all is located same connection face and interconnect, be connected with on the rack monomer and hides sun spare, will it is in to hide sun spare the orthographic projection area in the plane under the rack monomer is established to A, will the projection area of rack monomer in this plane is established to B, then 0.35A is less than or equal to B and is less than or equal to 0.60A.

Preferably, B is 0.5A.

Preferably, the connecting surface is a plane or a curved surface.

As a preferable scheme, the net rack single body comprises an upper chord, a first lower chord, a second lower chord, a plurality of first connecting rods, second connecting rods, third connecting rods and fourth connecting rods,

the first lower chord and the second lower chord are both arranged below the upper chord in parallel, the plane where the first lower chord and the upper chord are located is a first plane, the plane where the second lower chord and the upper chord are located is a second plane, each first connecting rod and each second connecting rod are located in the first plane, each third connecting rod and each fourth connecting rod are located in the second plane,

the two ends of the first connecting rod are respectively connected with the upper chord and the first lower chord, the upper end of the second connecting rod is connected with the upper chord, the lower end of the second connecting rod is connected with the joint of the first connecting rod and the first lower chord, the upper chord, the first connecting rod and the second connecting rod adjacent to the first connecting rod form a first area,

two ends of the third connecting rod are respectively connected with the upper chord and the second lower chord, the upper end of the fourth connecting rod is connected with the upper chord, the lower end of the fourth connecting rod is connected with the joint of the third connecting rod and the second lower chord, the upper chord, the third connecting rod and the fourth connecting rod adjacent to the third connecting rod form a second area,

the first link, the first lower chord, and the second link adjacent to the first link form a third region, the third link, the second lower chord, and the fourth link adjacent to the third link form a fourth region,

the sunshade part comprises a plurality of sunshade single pieces, each sunshade single piece is respectively arranged in the first area and the second area, one side of each sunshade single piece is connected with the upper chord,

or each sunshade single piece is arranged in the third region and the fourth region respectively, and one side of each sunshade single piece is connected with the first lower chord or the second lower chord.

Preferably, the first link, the second link, the third link, and the fourth link are all disposed in an inclined manner.

Preferably, the bottom end of the first connecting rod is connected with the bottom end of the second connecting rod and the first lower chord through a bolt ball, the bolt ball is arranged on the first lower chord, and the first connecting rod, the second connecting rod and the sunshade single piece are in threaded connection with the bolt ball.

Preferably, the sun-shading single piece is a sun-shading plate, a bolt is connected to the sun-shading plate and is screwed in any screw hole of the bolt ball, so that the sun-shading plate is connected with the bolt ball.

Preferably, the distance between the sunshade single piece located in the first area and the first connecting rod is defined as H, and the range of H is 10mm ≦ H ≦ 20 mm.

Preferably, each single net rack is connected with a lower connecting rod through an upper connecting rod, the upper connecting rod is respectively connected with the top end of each single net rack, and the lower connecting rod is respectively connected with the bottom end of each single net rack.

The embodiment of the utility model provides a solar protection devices suitable for spatial grid structure compares with prior art, and its beneficial effect lies in: the solar protection devices suitable for spatial grid structure includes the rack, and the rack includes two at least rack monomers, directly installs additional sunshade spare on the rack monomer, need not increase the member, and construction cost is lower, can also make this rack have the thermal-insulated effect of sunshade. Because the building atrium does not need to realize 100% of sun shading, partial lighting is kept while the sun is shaded, the orthographic projection area of the sun shading part in the plane under the net rack monomer is 35% -60% of the projection area of the net rack monomer in the plane, and the building adopting the sun shading device suitable for the net rack structure has sufficient indoor light in daytime, does not need to turn on a lamp, and is energy-saving and environment-friendly. The paint for the solar protection device with the grid structure is suitable for subtropical and tropical areas, can give consideration to lighting, sun protection and heat insulation, and meets the building requirements.

Drawings

FIG. 1 is a perspective view of a prior art grid structure;

fig. 2 is a schematic structural view of a sunshade device suitable for a grid structure according to a first embodiment of the present invention;

fig. 3 is a schematic view of a net rack unit (without screw balls) according to a first embodiment of the present invention;

fig. 4 is a schematic view of a connection structure of the first lower chord, the first connecting rod, the second connecting rod and the sun shade according to the first embodiment of the present invention;

fig. 5 is a line graph showing the change of shading coefficient of the sunshade device suitable for the grid structure in the first embodiment of the present invention in each month of the year;

fig. 6 is a schematic structural view of a sunshade device suitable for a grid structure according to a second embodiment of the present invention;

fig. 7 is a schematic view of a net frame unit (without screw balls) according to a second embodiment of the present invention.

In the figure, 1, a sun-shading part; 1a, a first sunshade single piece; 1b, a second sunshade single piece; 1c, a third sunshade single piece; 1d, a fourth sunshade single piece; 2. a net rack single body; 21. a first link; 22. a second link; 23. a third link; 24. a fourth link; 25. a first lower chord; 26. a second lower chord; 27. an upper chord; 3. a bolt ball; 4. an upper connecting rod; 5. a lower connecting rod; 6. a net rack single sheet; 61. a rod is arranged; 62. a first single bar; 63. a second single bar; 64. a third side bar; 7. a first side bar; 8. a second side bar; 9. and a fourth side bar.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms used in the present invention are used in the description of the present invention, and it should be understood that the terms "longitudinal", "horizontal", "upper", "lower", "vertical", "horizontal", "top", "bottom", "outer", and the like used in the present invention are used in the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

It should be understood that the present invention uses the terms "first", "second", "third", "fourth", etc. to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be understood that "directly under the net rack" and "directly under the net rack monomer" in the present invention means the direction directly under the sun-shading device suitable for the net rack structure after being installed on the building relative to the whole sun-shading device suitable for the net rack structure.

Example one

As shown in fig. 2 to 5, the utility model provides a solar protection devices suitable for spatial grid structure of preferred embodiment, it includes the rack, the rack includes two at least rack monomers 2, each rack monomer 2 all is located same connection face and interconnect, be connected with sunshade spare 1 on the rack monomer 2, will shade sun spare 1 and define A at the planar orthographic projection area that is on a parallel with rack monomer 2 under, define B with rack monomer 2 at this planar projection area, then 0.35A is less than or equal to B and is less than or equal to 0.60A, that is to say that the orthographic projection area that hides sun spare 1 in the plane under rack monomer 2 is 35% ~ 60% of rack monomer 2 at this planar projection area.

Based on above-mentioned technical scheme, sunshade 1 covers on the rack, forms the light, the intensity is high, the span is big, and have the low-cost novel sunshade rack of sunshade effect. The building atrium does not need to shade 100 percent of sunlight, and needs to keep partial lighting space while shading the sunlight, thereby meeting the building requirements. Therefore, in order to achieve a good balance between lighting, the area of the forward projection of the sun shade 1 on the plane directly below the connecting surface is 35% to 60% of the area of the projection of the net rack on the plane. In order to make the building atrium light that has set up this solar protection devices suitable for spatial grid structure even, the rack can be formed by a plurality of rack monomer 2 side by side or merge side by side, all covers on every rack monomer 2 and has sheltered from sun piece 1. Sunshade spare 1 closely links to each other with rack monomer 2, make full use of current spatial grid structure, and construction cost is lower. The building using the sun-shading device applicable to the grid structure does not need to be lighted on in the daytime with sufficient light, and the sun-shading device applicable to the grid structure is a green and energy-saving building facility. The sunshade component 1 arranged on the net rack single body 2 can make the net rack single body 2 have more stereoscopic impression, direction sense and light and shadow sense, and is an indoor decoration with constitution sense.

Preferably, the frontal projection area of the shade 1 occupies 50% of the projection area of the grid unit 2, i.e., B is 0.5A. Fig. 5 is a graph showing the change of the shading coefficient of the shading device suitable for the grid structure in the Guangzhou region for 12 months in a year. As can be seen from fig. 5, the sunshade efficiency of the sunshade device suitable for the grid structure is as high as more than 50%, the excellent sunshade performance can be maintained, and the visual effect is good.

The connecting surface may be a plane or a curved surface, and in this embodiment, the connecting surface is preferably a plane. In other embodiments, the connecting surface may also be a curved surface.

The sunshade device suitable for the grid structure is applied to permanent buildings, the design life of the buildings is more than 50 years, and certain requirements are made on the durability, stability and safety of the sunshade device suitable for the grid structure. Therefore, the net rack single body 2 has a triangular longitudinal section, has high structural rigidity, and is suitable for roof trusses of tile roofs.

Optionally, the sunshade element 1 includes a plurality of sunshade single elements, and in this embodiment, the sunshade single elements on the same net rack single element 2 may be divided into two groups of sunshade single elements, which are denoted as a first sunshade single element 1a and a second sunshade single element 1 b.

Specifically, as shown in fig. 3, the net rack unit 2 includes an upper chord 27, a first lower chord 25, a second lower chord 26, and a plurality of first, second, third and fourth connecting rods 21, 22, 23 and 24, the first lower chord 25 and the second lower chord 26 are both disposed below the upper chord 27, and the first lower chord 25 and the second lower chord 26 are both disposed parallel to the upper chord 27. The plane in which the first lower chord 25 and the upper chord 27 lie is defined as a first plane, and the plane in which the second lower chord 26 and the upper chord 27 lie is defined as a second plane. Each of the first links 21 and each of the second links 22 are located in a first plane, and each of the first links 21 and each of the second links 22 are disposed at equal intervals. Each third link 23 and each fourth link 24 are located in the second plane, and each third link 23 and each fourth link 24 are disposed at equal intervals. The top end of the first link 21 is connected to the upper chord 27, and the bottom end of the first link 21 is connected to the first lower chord 25. The top end of the second link 22 is connected to the upper chord 27, and the bottom end of the second link 22 is connected to the connection between the first lower chord 25 and the first link 21. The upper chord 27, the first link 21 and the second link 22 adjacent to the first link 21 form a first area, a first sunshade single piece 1a is arranged in the first area, and one side of the first sunshade single piece 1a is connected with the upper chord 27. Each third link 23 and each fourth link 24 lie in a second plane. The top end of the third connecting rod 23 is connected with the upper chord 27, the bottom end of the third connecting rod 23 is connected with the second lower chord 26, the top end of the fourth connecting rod 24 is connected with the upper chord 27, and the bottom end of the fourth connecting rod 24 is connected with the joint of the second lower chord 26 and the third connecting rod 23. The upper chord 27, the third link 23 and the fourth link 24 adjacent to the third link 23 form a second region, in which a second sunshade element 1b is arranged, and the second sunshade element 1b is also connected to the upper chord 27. To stiffen the sun shade 1, the second sun shade single piece 1b can also be connected with a third link 23 and a fourth link 24. The structure can ensure that the sunshade area is 35-60%, and the indoor lighting effect is considered while ensuring enough sunshade coefficient. The first region and the second region in this embodiment are symmetrically disposed on both sides of the upper chord 27. In the existing grid frame of the ceiling, a plurality of upper chords 27, lower chords and connecting rods are connected in a staggered manner, so that a person can easily feel complicated and disordered, and the pureness and the sequence sense of a large-span space are damaged. The utility model provides a solar protection devices suitable for spatial grid structure ingenious utilization hides sun spare 1 and arranges rack monomer 2 for rack monomer 2 forms continuous, unified interface, eliminates numerous and diverse chaotic visual impression that a plurality of body of rod brought in the rack, and the wholeness is stronger, and the molding is succinct.

More specifically, the first links 21 are inclined at equal intervals, the second links 22 are inclined at equal intervals, and the inclination of the first links 21 is different from that of the second links 22. Similarly, the third links 23 are inclined at equal intervals, the fourth links 24 are inclined at equal intervals, and the third links 23 and the fourth links 24 have different inclinations. The first link 21, the second link 22 and the upper chord 27 form a triangle, i.e., the first region is triangular in shape. Similarly, the second region is triangular in shape. In order to match the first and second regions, the two sets of sunshade elements are each triangular in shape. The optional three adjacent body of rod of rack monomer 2 can selectively form the triangle face, forms the rack that the structure is firm.

Preferably, as shown in fig. 4, the bottom end of the first link 21 is connected to the bottom ends of the first and second lower chords 25 and 22 through a bolt ball 3, and the bolt ball 3 is disposed on the first lower chord 25. The first lower chord 25 may be formed by screwing a plurality of segments of the first lower chord body through the bolt balls 3. The first link 21, the second link 22 and the sunshade 1 are all screwed with the bolt ball 3. Similarly, the bottom end of the third connecting rod 23 is also connected with the bottom ends of the second lower chord 26 and the fourth connecting rod 24 through the bolt ball 3, the bolt ball 3 is arranged on the second lower chord 26, and the third connecting rod 23, the fourth connecting rod 24 and the sunshade single piece are all in threaded connection with the bolt ball 3. Screw holes are formed in the bolt ball 3 at different angles, external threads matched with the screw holes in a threaded mode are arranged at the end portions of the upper chord 27, the first lower chord 25, the second lower chord 26, the first connecting rod 21, the second connecting rod 22, the third connecting rod 23 and the fourth connecting rod 24, and the bolt ball is screwed in the screw holes to achieve connection of multiple rod bodies in the net rack body 2. The sun-shading single piece is a sun-shading board and is made of light materials such as a tensile film and a perforated aluminum plate, a bolt is connected to the sun-shading board and is in threaded connection with a screw hole of the bolt ball 3, and therefore the sun-shading board is connected with the bolt ball 3. Since the end parts of the upper chord 27, the first lower chord 25, the second lower chord 26, the first connecting rod 21, the second connecting rod 22, the third connecting rod 23 and the fourth connecting rod 24 are all provided with the bolt ball 3, and the sun visor is provided with the bolt which is screwed on the bolt ball 3, the sun visor unit can be fixed in the first area and the second area. The bolt is screwed to realize the dismantling of the sun shield, so that maintenance personnel can replace and clean the damaged sun shield conveniently.

The distance between the first sunshade single piece 1a and the first connecting rod 21 in the first area is defined as H, and the range of H is more than or equal to 10mm and less than or equal to 20 mm. Similarly, the distance between the first sunshade single piece 1a and the second connecting rod 22 in the first area is 10 mm-20 mm. Similarly, the distance between the second sunshade single piece 1b in the second region and the third connecting rod 23 is 10 mm-20 mm, and the distance between the second sunshade single piece and the fourth connecting rod 24 is 10 mm-20 mm. The sunshade single piece is not fixedly connected with any connecting rod, so that maintenance personnel can mount and dismount the sunshade. If the distance between the sunshade single piece and any connecting rod is less than 10mm, dust is easily accumulated between the sunshade single piece and the connecting rod. If the distance between the sunshade single piece and any connecting rod is more than 20mm, the sunshade coefficient of the whole sunshade device suitable for the grid structure can be greatly reduced, and the heat insulation effect is poor.

In addition, in order to save engineering materials and ceiling space, the first lower chord 25 of any grid single body 2 is overlapped with the second lower chord 26 of another grid single body 2 adjacent to the first lower chord, namely, one lower chord is shared between two adjacent grid single bodies 2.

Preferably, each net rack single body 2 is connected with the lower connecting rods 5 through the upper connecting rods 4, the number of the upper connecting rods 4 is several, the upper connecting rods 4 are distributed transversely at equal intervals, the lower connecting rods 5 are distributed longitudinally at equal intervals, and the upper connecting rods 4 and the lower connecting rods 5 are both arranged perpendicular to the upper chord 27. The upper connecting rods 4 are respectively connected with the top ends of the net rack single bodies 2, in particular to the bolt balls 3 on the upper chord 27. The lower connecting rods 5 are respectively connected with the bottom ends of the net rack single bodies 2, in particular to the bolt balls 3 on the first lower chord 25 and the second lower chord 26. The upper connecting rod 4 and the lower connecting rod 5 reinforce the connection between the net rack single bodies 2, so that the whole sun-shading device applicable to the net rack structure is firmer in structure.

In this embodiment, in order to adapt the sunshade device applied to the net rack structure to the actual top of the building, the net rack is rectangular, and the net rack unit 2 has a triangular longitudinal cross-sectional shape, and therefore, the net rack further includes a single net rack sheet 6, a plurality of first side bars 7, and two second side bars 8 horizontally disposed. The net rack monolithic 6 sets up at the symmetrical both sides edge of net rack, and the longitudinal section shape of net rack monolithic 6 is right triangle, and its structure is similar with net rack monomer 2's structure, all includes upper boom 61, first single-bar 62 and second single-bar 63, and bolt ball 3 is passed through on the top of first single-bar 62 and second single-bar 63 and is connected with upper boom 61, and the bottom of first single-bar 62 and second single-bar 63 all is connected with bolt ball 3 on the lower chord of adjacent net rack monomer 2. The upper bar 61, the first single bar 62 and the second single bar 63 constitute a region shaped as a triangle in which the sunshade is provided. The net rack single piece 6 further comprises a third side rod 64 which is vertically arranged, and the top end of the third side rod 64 is connected with the top end of the first single rod 62 or the second single rod 63. The bottom end of the third side bar 64 is connected to the second side bar 8 by means of a bolt ball 3. The first side rod 7 is connected to the end part of the net rack single body 2, the first side rod 7 is obliquely arranged, the top end of the first side rod is connected with the bolt ball 3 positioned at the end part of the upper chord 27 of the net rack single body 2, and the bottom end of the first side rod 7 is connected with the second side rod 8. Two second limit poles 8 set up at two symmetrical sides of rack, and second limit pole 8 is parallel with lower connecting rod 5, is equipped with a plurality of bolt ball 3 on it to be connected with first limit pole 7. The second side bar 8 is also provided with bolt balls 3 at both ends to connect with the bottom ends of the third side bars 64 located at the four corners of the net rack.

Example two

Referring to fig. 6 and 7, the present embodiment is different from the first embodiment in that: the arrangement positions of the sunshade single pieces are different.

Specifically, the first link 21, the first lower chord 25, and the second link 22 adjacent to the first link 21 constitute a third region, and the third link 23, the second lower chord 26, and the fourth link 24 adjacent to the third link 23 constitute a fourth region. The third region and the fourth region are both triangular in shape.

The sunshade element 1 comprises a plurality of sunshade single elements, and the sunshade single elements on the same net rack single element 2 can be divided into two groups of sunshade single elements, which are marked as a third sunshade single element 1c and a fourth sunshade single element 1 d. The third sunshade singlet 1c lies in a first plane and the fourth sunshade singlet 1d lies in a second plane. The third sunshade single piece 1c is disposed in the third region, and one side of the third sunshade single piece 1c is connected to the first lower chord 25. The fourth sunshade singlet 1d is disposed in the fourth region, and one side of the fourth sunshade singlet 1d is connected to the second lower chord 26. The third sunshade singlet 1c and the fourth sunshade singlet 1d are both triangular in shape in order to match the third region and the fourth region. The third sunshade single piece 1c and the fourth sunshade single piece 1d are both sunshade boards and are made of light materials such as stretch films and perforated aluminum plates. The distance between the third sunshade single piece 1c in the third area and the first connecting rod 21 is 10 mm-20 mm, and the distance between the third sunshade single piece and the second connecting rod 22 is 10 mm-20 mm. Similarly, the distance between the fourth sunshade single piece 1d in the fourth area and the third connecting rod 23 is 10 mm-20 mm, and the distance between the fourth sunshade single piece and the fourth connecting rod 24 is 10 mm-20 mm.

The sunshade device suitable for the net rack structure of the second embodiment does not have the net rack single sheet 6, but has a plurality of first side rods 7 which are obliquely arranged, two second side rods 8 which are horizontally arranged, four fourth side rods 9 which are horizontally arranged and four fifth side rods 10 which are vertically arranged. Four horizontally arranged fourth side rods 9 are connected end to form a rectangular structure, and the fourth side rods 9 are connected with the upper chord 27 of the net rack single body 2 through bolt balls 3 and connecting rods (not shown in the figure). One end of the connecting rod is connected with the bolt ball 3 of the net rack single body 2, and the other end is connected with the fourth side rod 9. The top end of the first side rod 7 is connected with the fourth side rod 9, and the bottom end of the first side rod 7 is connected with the second side rod 8. The top ends of two adjacent first side rods 7 are overlapped to form a triangular structure with a second side rod 8. Two second limit poles 8 set up two symmetry sides at the rack, and second limit pole 8 is parallel with lower connecting rod 5. The second side rod 8 is provided with a plurality of bolt balls 3 to be connected with the bottom end of the first side rod 7. The two ends of the second side rod 8 are also provided with bolt balls 3 to connect with the bottom ends of the fourth side rods 9 positioned at the four corners of the net rack. The top end of the fifth side bar 10 is connected to the end of the fourth side bar 9.

Except for the above differences, other structures of the present embodiment are the same as those of the first embodiment, and corresponding effects and principles are also the same, which are not described herein again.

The utility model discloses a working process does: this solar protection devices suitable for spatial grid structure includes the rack, and the rack includes a plurality of rack monomer 2. The net rack units 2 are distributed in parallel and are connected with each other through an upper connecting rod 4 and a lower connecting rod 5. The net rack unit 2 comprises an upper chord 27, a first lower chord 25, a second lower chord 26, a first connecting rod 21, a second connecting rod 22, a third connecting rod 23 and a fourth connecting rod 24. The upper chord 27, the first lower chord 25 and the second lower chord 26 are arranged in parallel, and the first link 21, the second link 22, the third link 23 and the fourth link 24 are arranged obliquely. The first link 21 and the second link 22 intersect with the first lower chord 25, and the third link 23 and the fourth link 24 intersect with the second lower chord 26. The first link 21, the second link 22 and the upper chord 27 form a triangular first region in which the first sunshade element 1a is arranged. The third link 23, the fourth link 24 and the upper chord 27 form a triangular second region in which the second sunshade element 1b is arranged. Or, the first link 21, the first lower chord 25 and the second link 22 adjacent to the first link 21 form a third region in which the third sunshade single piece 1c is provided. The third link 23, the second lower chord 26 and the fourth link 24 adjacent to the third link 23 constitute a fourth region in which the fourth sunshade single piece 1d is provided. The sunshade element may be an aluminium alloy sheet, which is light in weight. A plurality of sunshade singlets make up the sunshade 1. The sunshade single piece is connected with the upper chord 27 or the first lower chord 25 or the second lower chord 26 and is in bolt connection with the bolt ball 3 arranged on the upper chord 27, the first lower chord 25 and the second lower chord 26 to realize fixation. The sunshade device suitable for the grid structure is simple in structure, has the sunshade and heat insulation effects, can improve the environment in a building, adjust the microclimate of an atrium, and create a comfortable, pleasant, attractive and practical building space.

To sum up, the embodiment of the utility model provides a solar protection devices suitable for spatial grid structure, it includes the rack, and the rack includes two at least rack monomers, directly installs sunshade spare additional on the rack monomer, need not increase the member, and construction cost is lower, can also make this rack have the thermal-insulated effect of sunshade. Because the building atrium does not need to shade 100 percent of sun, and needs to keep partial lighting while shading sun, the orthographic projection area of the sun shading part on the plane parallel to the net rack single body is 35 to 60 percent of the projection area of the net rack single body on the plane, and the building adopting the sun shading device suitable for the net rack structure has sufficient indoor light in daytime, does not need to turn on a lamp, and is energy-saving and environment-friendly. The paint for the solar protection device with the grid structure is suitable for subtropical and tropical areas, can give consideration to lighting, sun protection and heat insulation, and meets the building requirements.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a solar protection devices suitable for spatial grid structure, a serial communication port, includes the rack, the rack includes two at least rack monomers, each the rack monomer all is located same connection face and interconnect, be connected with on the rack monomer and hide sun spare, will hide sun spare and be in positive projection area in the plane under the rack monomer is established to A, will the projection area of rack monomer in this plane is established to B, and then 0.35A is less than or equal to B and is less than or equal to 0.60A.

2. A sunshade device adapted for a net-frame structure according to claim 1, wherein B is 0.5A.

3. A sun shade suitable for a grid structure as defined in claim 1, wherein said attachment surface is a flat surface or a curved surface.

4. The sunshade device adapted for use in a lattice structure of claim 1, wherein said lattice unit includes an upper chord, a first lower chord, a second lower chord, and a plurality of first, second, third and fourth links,

the first lower chord and the second lower chord are both arranged below the upper chord in parallel, the plane where the first lower chord and the upper chord are located is a first plane, the plane where the second lower chord and the upper chord are located is a second plane, each first connecting rod and each second connecting rod are located in the first plane, each third connecting rod and each fourth connecting rod are located in the second plane,

the two ends of the first connecting rod are respectively connected with the upper chord and the first lower chord, the upper end of the second connecting rod is connected with the upper chord, the lower end of the second connecting rod is connected with the joint of the first connecting rod and the first lower chord, the upper chord, the first connecting rod and the second connecting rod adjacent to the first connecting rod form a first area,

two ends of the third connecting rod are respectively connected with the upper chord and the second lower chord, the upper end of the fourth connecting rod is connected with the upper chord, the lower end of the fourth connecting rod is connected with the joint of the third connecting rod and the second lower chord, the upper chord, the third connecting rod and the fourth connecting rod adjacent to the third connecting rod form a second area,

the first link, the first lower chord, and the second link adjacent to the first link form a third region, the third link, the second lower chord, and the fourth link adjacent to the third link form a fourth region,

the sunshade part comprises a plurality of sunshade single pieces, each sunshade single piece is respectively arranged in the first area and the second area, one side of each sunshade single piece is connected with the upper chord,

or each sunshade single piece is arranged in the third region and the fourth region respectively, and one side of each sunshade single piece is connected with the first lower chord or the second lower chord.

5. A sun shade device adapted for a grid structure according to claim 4, wherein the first link, the second link, the third link and the fourth link are all obliquely disposed.

6. A shade assembly adapted for use with a lattice structure as defined in claim 5 wherein the bottom end of said first link is connected to the bottom end of said second link and to said first lower chord by a bolt ball disposed on said first lower chord, said first link, said second link and said shade element each being in threaded engagement with said bolt ball.

7. A sun shading device suitable for a net rack structure according to claim 6, wherein the sun shading single piece is a sun shading plate, a bolt is connected to the sun shading plate, and the bolt is screwed in any screw hole of the bolt ball so as to realize the connection of the sun shading plate and the bolt ball.

8. A shading device suitable for a grid structure according to claim 6, wherein the distance between the shading single piece and the first connecting rod in the first area is defined as H, and the range of H is 10mm ≦ H ≦ 20 mm.

9. A sun shade device for a net frame structure according to any one of claims 1 to 8, wherein each net frame unit is connected by an upper connecting rod and a lower connecting rod, the upper connecting rod is connected to a top end of each net frame unit, and the lower connecting rod is connected to a bottom end of each net frame unit.

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