CN208674143U - Back rail for double glass photovoltaic modulies - Google Patents
Back rail for double glass photovoltaic modulies Download PDFInfo
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- CN208674143U CN208674143U CN201821268726.3U CN201821268726U CN208674143U CN 208674143 U CN208674143 U CN 208674143U CN 201821268726 U CN201821268726 U CN 201821268726U CN 208674143 U CN208674143 U CN 208674143U
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- backboard
- foreboard
- back rail
- connecting plate
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model provides a kind of back rail for double glass photovoltaic modulies, which includes backboard, foreboard, the first connecting plate and fixed plate;The upper end of the backboard is fixedly connected with the upper end of the foreboard;The first connecting plate setting is fixedly connected between the backboard and the foreboard and respectively with the backboard and the foreboard, and the accommodation groove for being inserted into photovoltaic bracket is formed between the backboard, first connecting plate and the foreboard;The lower end of the foreboard, the direction extension away from the backboard is arranged in the fixed plate, is provided with bolt mounting holes in the fixed plate.The resistance to mechanical load performance of double glass photovoltaic modulies can be effectively promoted using back rail provided by the utility model.
Description
Technical field
The utility model relates to technical field of solar batteries more particularly to a kind of back rails for double glass photovoltaic modulies.
Background technique
Double glass photovoltaic modulies, which refer to, to be made of between composite layer, cell piece two sheet glass and solar battery sheet by conducting wire
Series and parallel is pooled to lead end and is formed by photovoltaic cell component.
In the prior art, double glass photovoltaic modulies can be installed to photovoltaic bracket by back rail.Fig. 1 (a) is please referred to figure
1 (f), Fig. 1 (a) to Fig. 1 (f) be in the prior art for the right view of the back rail of double glass photovoltaic modulies, left view, main view,
Rearview, top view and bottom view.As shown in Fig. 1 (a) to Fig. 1 (f), back rail include backboard 10, foreboard 20, connecting plate 30 with
And fixed plate 40, wherein the upper end of backboard 10 is fixedly connected by connecting plate 30 with the upper end of foreboard 20, in this way, carrying on the back
Accommodation groove 50 is formed between plate 10, connecting plate 30 and foreboard 20.Fixed plate 40 be arranged in foreboard 20 lower end, away from
The direction of backboard 10 extends.In addition, being additionally provided with bolt mounting holes 41 in fixed plate 40.In terms of size, the backboard for carrying on the back rail is set
It is calculated as that the rectangle of strip is presented, typically, the length of backboard is (with L in Fig. 1 (d)1Indicate) its range be usually 50cm extremely
70cm, the width of backboard is (with W in Fig. 1 (d)1Indicate) it is then designed to the height of equal or slightly larger than photovoltaic bracket flange plate,
Its range is usually 3.5cm to 4.5cm.
When being installed to double glass photovoltaic modulies, rail will be carried on the back first and is fixed on pair back side of glass photovoltaic modulies.It please refers to
Fig. 2, Fig. 2 are the schematic diagrames that back rail shown in Fig. 1 (a) to Fig. 1 (f) is mounted on to double glass photovoltaic module back sides.As shown in Fig. 2,
One double glass photovoltaic module 60 is configured with two back rails 1, and the adhesive such as silica gel is coated on the backboard of two back rails 1,
Then two back rails 1 are bonded to the back side of double glass photovoltaic modulies, wherein two back rails 1 are each parallel to double glass photovoltaic groups
Side A in part where terminal box 611A2And the opening direction of accommodation groove is consistent.Then, the back side is equipped with to double glass light of back rail
Volt component is fixed on photovoltaic bracket.Referring to FIG. 3, Fig. 3 is to be consolidated double glass photovoltaic modulies shown in Fig. 2 and photovoltaic bracket
The side schematic view and partial enlargement diagram of structure obtained by fixed.As shown in figure 3, photovoltaic bracket 70 is U-shaped steel, it is first when installation
First by the accommodation groove of the flange plate insertion back rail of the U-shaped steel, then the position of adjustment back rail and U-shaped steel makes to carry on the back on rail
Then bolt is passed through the bolt mounting holes of back rail and the installation of U-shaped steel by the mounting hole alignment on bolt mounting holes and U-shaped steel
Hole, last tightening nut are fixed on rail is carried on the back in U-shaped steel, to realize the fixed peace of double glass photovoltaic modulies and photovoltaic bracket
Dress.
Double glass photovoltaic modulies are installed using above-mentioned existing back rail and are disadvantageous in that: since the backboard of back rail is in
The rectangular shape of strip, the gap between length and width is larger, therefore is fixed on double glass photovoltaic modulies for rail is carried on the back
After the back side, it is also larger to will lead to the anti-bending strength gap of double glass photovoltaic modulies in machine and transverse direction.It is directed to double in Fig. 2
For glass photovoltaic module, if definition is parallel to side A1A2Direction be laterally and definition be parallel to side A1A4Direction be vertical
To, then be fixed in Fig. 2 back rail double glass photovoltaic modulies its around the lateral anti-bending strength of longitudinal axis A1A4 be far superior to it around cross
Longitudinal anti-bending strength of axis A1A2.The otherness of this longitudinal direction anti-bending strength and lateral anti-bending strength influences whether double glass photovoltaics
The resistance to mechanical load performance of component.
Utility model content
In order to overcome the above-mentioned defects in the prior art, the utility model provides a kind of back for double glass photovoltaic modulies
Rail, the back rail include:
Backboard, foreboard, the first connecting plate and fixed plate;
The upper end of the backboard is fixedly connected with the upper end of the foreboard;
First connecting plate be arranged between the backboard and the foreboard and respectively with the backboard and the foreboard
It is fixedly connected, forms the accommodation groove for being inserted into photovoltaic bracket between the backboard, first connecting plate and the foreboard;
The lower end of the foreboard, the direction extension away from the backboard, the fixed plate is arranged in the fixed plate
On be provided with bolt mounting holes.
One aspect according to the present utility model, the back rail further includes the second connecting plate, and the upper end of the backboard passes through
Second connecting plate is connect with the upper end of the foreboard.
Other side according to the present utility model, in the back rail, the range of angle between the foreboard and the backboard
It is 3 ° to 5 °.
Another aspect according to the present utility model, the photovoltaic bracket include web, the first flange plate, the second flange plate
And edge of a wing side, first flange plate and second flange plate are respectively perpendicular with two long sides of the web and connect, institute
It states the first flange plate, the web and second flange plate and constitutes U type structure, the edge of a wing side and second edge of a wing
The ending vertical of plate connects and extends towards the direction of first flange plate;First connecting plate and the fixed plate are hung down
Directly in the backboard, the width of first connecting plate is more than or equal to the thickness of first flange plate, first connecting plate
Vertical range between the fixed plate is less than or equal to the height of first flange plate.
Another aspect according to the present utility model, in the back rail, the backboard is rectangular shape, wherein the backboard
Length range be 6cm to 13.5cm, the width range of the backboard is 6.5cm to 12cm.
Another aspect according to the present utility model, in the back rail, the length-width ratio of the backboard and double glass photovoltaic groups
The length-width ratio of part is equal.
Another aspect according to the present utility model, in the back rail, first connecting plate, second connecting plate and
The thickness of the fixed plate is greater than the thickness of the backboard and the foreboard.
Another aspect according to the present utility model, in the back rail, first connecting plate, second connecting plate and/
Or the fixed plate is designed as hollow structure.
Another aspect according to the present utility model, it is the backboard, the foreboard, the fixed plate, described in the back rail
First connecting plate and second connecting plate are integrally formed.
Another aspect according to the present utility model, in the back rail, the material of the back rail uses aluminum profile.
Back rail provided by the utility model for double glass photovoltaic modulies includes backboard, foreboard, the first connecting plate and consolidates
Fixed board, the upper end of backboard are fixedly connected with the upper end of foreboard, the first connecting plate be arranged between backboard and foreboard and respectively with back
Plate is fixedly connected with foreboard, and the accommodation groove for being inserted into photovoltaic bracket is formed between backboard, the first connecting plate and foreboard, fixed
The lower end of foreboard, the direction extension away from backboard is arranged in plate, is provided with bolt mounting holes in fixed plate.In accommodation groove ruler
In very little identical situation, the width of back its backboard of rail provided by the utility model is greater than the width of existing back rail dorsulum,
That is back rail provided by the utility model significantly reduces the length-width ratio of backboard.In this way, by the utility model institute
The back rail of offer is installed to double glass photovoltaic modulies, due to carrying on the back the reduction of rail dorsulum length-width ratio, is efficiently reduced double
Gap between the lateral anti-bending strength of glass photovoltaic module and longitudinal anti-bending strength, to effectively improve double glass photovoltaic modulies
Resistance to mechanical load-carrying ability.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the utility model
Other features, objects and advantages will become more apparent upon:
Fig. 1 (a) to Fig. 1 (f) is right view, the left view, main view for being used for the back rail of double glass photovoltaic modulies in the prior art
Figure, rearview, top view and bottom view;
Fig. 2 is the schematic diagram that back rail shown in Fig. 1 (a) to Fig. 1 (f) is mounted on to double glass photovoltaic module back sides;
Fig. 3 is that acquired structure is fixed in the double glass photovoltaic modulies shown in Fig. 2 for being equipped with back rail and photovoltaic bracket
Side schematic view and partial enlargement diagram;
Fig. 4 (a) to Fig. 4 (f) is the back for double glass photovoltaic modulies of a specific embodiment according to the present utility model
Right view, left view, main view, rearview, top view and the bottom view of rail;
Fig. 5 is the diagrammatic cross-section of the photovoltaic bracket of a specific embodiment according to the present utility model in the width direction;
Fig. 6 (a) and Fig. 6 (b) is another specific embodiment according to the present utility model for double glass photovoltaic modulies
Carry on the back the right view and left view of rail;
Fig. 7 be a specific embodiment according to the present utility model will back rail shown in Fig. 4 (a) to Fig. 4 (f) be fixed on it is double
The schematic diagram at the glass photovoltaic module back side;
Fig. 8 is that acquired structure is fixed in the double glass photovoltaic modulies shown in Fig. 7 for being equipped with back rail and photovoltaic bracket
Side schematic view and partial enlargement diagram.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
In order to better understand with explaination the utility model, the utility model is made below in conjunction with attached drawing further detailed
Thin description.
The utility model provides a kind of back rail for double glass photovoltaic modulies, can be by double glass photovoltaics by means of the back rail
Component is installed to outdoor photovoltaic bracket.Fig. 4 (a) to Fig. 4 (f) is referred to incorporated by reference to ground, Fig. 4 (a) to Fig. 4 (f) is according to this
Right view, left view, main view, the backsight of the back rail for double glass photovoltaic modulies of one specific embodiment of utility model
Figure, top view and bottom view.As shown, the back rail includes:
Backboard 100, foreboard 101, the first connecting plate 102 and fixed plate 103;
The upper end of the backboard 100 is fixedly connected with the upper end of the foreboard 101;
First connecting plate 102 be arranged between the backboard 100 and the foreboard 101 and respectively with the backboard
100 are fixedly connected with the foreboard 101, shape between the backboard 100, first connecting plate 102 and the foreboard 101
At the accommodation groove 105 for being inserted into photovoltaic bracket;
The lower end of the foreboard 101, the direction extension away from the backboard 100, institute is arranged in the fixed plate 103
It states and is provided with bolt mounting holes 106 in fixed plate 103.
In the following, the structure of the back rail provided by the utility model for double glass photovoltaic modulies is specifically described.
Specifically, as shown, back rail provided by the utility model includes backboard 100 and foreboard 101.Wherein, rail is carried on the back
It is fixed by backboard 100 and the back side of double glass photovoltaic modulies.The upper end of backboard 100 is fixedly connected with the upper end of foreboard 101.
In the present embodiment, back rail further includes the second connecting plate 104, and the upper end of backboard 100 passes through second connecting plate 104 and foreboard
101 upper end is fixedly connected.In other embodiments, the upper end of backboard 100 can also directly be fixed with the upper end of foreboard 101 and connect
It connects.
Back rail provided by the utility model further includes the first connecting plate 102, which is arranged in backboard
Between 100 and foreboard 101, wherein one end of the first connecting plate 102 is fixedly connected with backboard 100, the other end and foreboard 101 are solid
Fixed connection.Herein, the part in backboard 100 between the second connecting plate 104 and the first connecting plate 102 is known as backboard
100 top half, rest part are known as the lower half portion of backboard 100;Similarly, the second connecting plate will be located in foreboard 101
104 and the first part between connecting plate 102 be known as the top half of foreboard 101, rest part is known as the lower half of foreboard 101
Point.Wherein, the lower half portion of backboard 100, the second connecting plate 104 and this three of foreboard 101 form accommodation groove 105, the accommodating
Slot 105 is used to be inserted into the flange plate of photovoltaic bracket in order to carry on the back the fixation of rail and photovoltaic bracket.
Back rail provided by the utility model further includes fixed plate 103, back rail by the fixed plate 103 and photovoltaic bracket into
Row is fixed.Specifically, the lower end of foreboard 101, the direction extension away from backboard 100 is arranged in fixed plate 103.It fixes at this
At least one bolt mounting holes 106 is provided on plate 103.Wherein, it is directed in fixed plate 103 and is provided with two or more bolt
For the case where mounting hole 106, the distance between the distance between bolt mounting holes 106 needs and photovoltaic bracket upper installing hole phase
Matching.
In use, the coated with adhesive (such as silica gel etc.) first on the entire backboard of back rail;Then by backboard and double
The bonding at the glass photovoltaic module back side is fixed on back rail on the back side of double glass photovoltaic modulies;Then the flange plate of photovoltaic bracket is inserted
Enter to carry on the back in the accommodation groove of rail;Finally the web of the fixed plate for carrying on the back rail and photovoltaic bracket is fixed together using screw bolt and nut,
To realize the fixed installation between double glass photovoltaic modulies and photovoltaic bracket.In the identical situation of accommodation groove size, this is practical
The width of back its backboard of rail provided by novel is greater than the width of existing back rail dorsulum, that is to say, that the utility model is mentioned
The back rail of confession significantly reduces the length-width ratio of backboard.In this way, install back rail provided by the utility model to double glass
After photovoltaic module, due to carrying on the back the reduction of rail dorsulum length-width ratio, the lateral bending resistance of double glass photovoltaic modulies is efficiently reduced
Gap between performance and longitudinal anti-bending strength, to effectively improve the resistance to mechanical load-carrying ability of double glass photovoltaic modulies.
It is directed to for the case where 101 upper end of foreboard is connect by the second connecting plate 104 with 100 upper end of backboard, foreboard 101
It can be arranged in parallel, angled can also be configured between backboard 100.Preferably, foreboard 101 and backboard 100 at
Certain angle is configured.Herein, foreboard 101 and backboard 100 it is angled be configured refer to 101 upper end of foreboard and
100 upper end of backboard, which extends, to intersect, and be based on this, the angle between foreboard 101 and backboard 100 refers to 101 upper end of foreboard and back
100 upper end of plate is formed by angle after extending intersection.It is angled between setting foreboard 101 and backboard 100, it can make
101 lower end of foreboard and 100 lower end of backboard are in open-like shape, that is, accommodation groove 105 can be made in open-like shape, in this way, be convenient for
The flange plate of photovoltaic bracket is smoothly inserted into accommodation groove 105.It is directly fixed to be directed to 101 upper end of foreboard and 100 upper end of backboard
For the case where connection, angle necessarily will form between foreboard 101 and backboard 100.In a preferred embodiment, foreboard 101
The range of angle is 3 ° to 5 ° between backboard 100, such as 3 °, 4 °, 5 ° etc..
There is no any restrictions to the photovoltaic bracket suitable for carrying on the back rail for the utility model.In a preferred embodiment, such as
Shown in Fig. 5, photovoltaic bracket includes web 401, the first flange plate 402, the second flange plate 403 and edge of a wing side 404, wherein the
One flange plate 402 and the second flange plate 403 are respectively perpendicular with two long sides of web 401 to be connect, and the first flange plate 402 and
Two flange plates 403 are located at the ipsilateral so that 403 structure of the first flange plate 402, web 401 and the second flange plate of web 401
At U-shaped structure.First flange plate 402 is not provided with edge of a wing side, and the end of the second flange plate 403 is provided with the wing of perpendicular connection
Rim 404, the edge of a wing side 404 extend towards the direction of the first flange plate 402.In order to which rail and photovoltaic shown in fig. 5 can will be carried on the back
Bracket is fixed well, and the first connecting plate 102 carried on the back in rail is arranged perpendicular to backboard 100, and fixed plate 103 is also perpendicularly to carry on the back
Plate 100 is arranged, and the width that the first connecting plate 102 is arranged is more than or equal to thickness and the first connection of the first flange plate 402
Vertical range between plate 102 and fixed plate 103 is less than or equal to the height of the first flange plate 402.In this way, rail will be carried on the back
When being fixed with photovoltaic bracket, after in the first flange plate 402 insertion accommodation groove 105 in photovoltaic bracket, due to the first company
The width of fishplate bar 102 is more than or equal to the thickness of the first flange plate 402 and hanging down between the first connecting plate 102 and fixed plate 103
Straight distance is less than or equal to the height of the first flange plate 402, therefore can make the first flange plate 402 and the first connecting plate 102 (i.e.
The bottom of accommodation groove 105) between form contact so that later use bolt will carry on the back rail fixed plate 103 and photovoltaic bracket abdomen
Plate 401 fasten after the first connecting plate 102 can to the first flange plate 402 formed active force, with guarantee back rail and photovoltaic bracket it
Between tightness.Particularly, if the vertical range between the first connecting plate 102 and fixed plate 103 is exactly equal to the first flange plate
402 height, in this case, after the accommodation groove 105 of the first flange plate 402 insertion back rail of photovoltaic bracket, photovoltaic bracket
Web 401 is bonded with fixed plate 103 just, in this way, convenient on the bolt mounting holes 106 and web 401 in fixed plate 103
Mounting hole alignment, and then be convenient for bolt fixed operation.It will be appreciated by those skilled in the art that above-mentioned photovoltaic bracket
Only preferred embodiment, in other embodiments, photovoltaic bracket can also be risen using U-shaped steel or C-type steel etc. in order to concise
See, will not enumerate herein.
First connecting plate 102 is arranged between backboard 100 and foreboard 101, herein for the specific of the first connecting plate 102
Any restriction is not done in setting position.Preferably, the first connecting plate 102 is arranged on the middle position of backboard 100.
In terms of size, backboard 100, foreboard 101 and fixed plate 103 are preferably designed for rectangular shape.Wherein, backboard is long
Degree is (with L in Fig. 4 (d)2Indicate) range be 6cm to 13.5cm, carupace width is (with W in Fig. 4 (d)2Indicate) range be 6cm
To 12cm.By comparing with existing back rail size as can be seen that back rail provided by the utility model, the length of backboard reduce
And width is increase accordingly, to further reduced the length-width ratio of backboard, and then is efficiently reduced and is equipped with the back rail
Its longitudinal anti-bending strength of double glass photovoltaic modulies and lateral anti-bending strength between gap, conducive to the anti-of double glass photovoltaic modulies is improved
Mechanical load performance.It is further preferable that the length-width ratio of setting back rail dorsulum 100 and the length and width of double glass photovoltaic modulies to be fixed
Than equal, in this way, will after back rail is fixed on double glass photovoltaic modulies, longitudinal bending resistance of double glass photovoltaic modulies and
Lateral bending resistance is identical, at this time the resistance to mechanical load performance of double glass photovoltaic modulies it is further preferred that.
In foreboard 101, the first connecting plate 102, the second connecting plate 104 and fixed plate 103, these are not necessarily to and double glass photovoltaics
Component carries out in directly fixed component, and the stress of the first connecting plate 102, the second connecting plate 104 and fixed plate 103 is greater than
The stress of foreboard 101, therefore, the thickness of the first connecting plate 102, the second connecting plate 104 and fixed plate 103 are greater than backboard 100
With the thickness of foreboard 101.In a preferred embodiment, the thickness range of backboard 100 and foreboard 101 is 1.5mm to 3mm, the
One connecting plate 102, the second connecting plate 104 thickness range be 3mm to 5mm, the thickness range of fixed plate 103 be 2mm extremely
4mm。
In order to reduce the weight of back rail and reduce the cost of back rail, in a preferred embodiment, the first connecting plate
102, at least one of the second connecting plate 104, fixed plate 103 use the design method of hollow structure.The design of hollow structure
Mode has many implementations.For the structure shown in Fig. 6 (a) and Fig. 6 (b), in the back rail, the first connecting plate 102, the
Two connecting plates 104 and fixed plate 103 are all made of hollow structure design, wherein are provided with along its length in the first connecting plate 102
Perforative through-hole 111 is provided with perforative through-hole 110 along its length in second connecting plate 104, is provided with edge in fixed plate 103
The perforative through-hole 112 of its length.
Preferably, back rail provided by the utility model is to be formed using the technique of extrusion forming by time processing,
That is, the backboard 100 of back rail, foreboard 101,104 one of the first connecting plate 102, fixed plate 103 and the second connecting plate
Molding.Integrally formed advantage is easy to process.
Preferably, back rail is realized using aluminum profile.Aluminum profile has the characteristics that light-weight, corrosion resistance is good.In other realities
It applies in example, back rail can also be realized using other materials, for brevity, the material that no longer back rail may be used herein
It is enumerated.
In the following, being illustrated to a kind of preferred mounting means of back rail provided by the utility model, wherein back rail uses
Structure shown in Fig. 4 (a) to Fig. 4 (f).
Please referring initially to Fig. 7.As shown in fig. 7, by 4 identical back rails (respectively with carry on the back rail 2a, back rail 2b, back rail 2c with
And back rail 2d is indicated) back side of double glass photovoltaic modulies 300 is fixed on by adhesives such as silica gel.Wherein, double glass photovoltaic groups
The back side of part 300 and the equal rectangular shaped of backboard and the length-width ratio having the same of back rail.The back of double glass photovoltaic modulies 300
Face includes two groups of parallel opposite side, and one group of opposite side is side B1B2With side B4B3, another group of opposite side is side B1B4With side B2B3.Herein,
By side B1B2Midpoint and side B4B3The wire definition at midpoint is first axle, by side B1B4Midpoint and side B2B3The wire definition at midpoint
For second axis.4 back rails are symmetric at the back side of double glass photovoltaic modulies 300.Specifically, back rail 2a and back rail 2b are along the
The distribution of one axisymmetrical, back rail 2c and back rail 2d are symmetrical along first axle, and back rail 2a and back rail 2c are symmetrical along second axis
Distribution, back rail 2b and back rail 2d are symmetrical along second axis.In addition, the accommodating channel opening of 4 back rails is towards unanimously.In this reality
It applies in example, terminal box 301 is positioned close to side B1B2Position, the accommodating channel opening of 4 back rails then back-to-back connection box 301 into
Row setting.It is directed to for any back rail, herein to determine with back gauge from the distance between two nearest sides and back rail
Specific setting position of the justice back rail at double glass photovoltaic modulies back side.It should be noted that the center of back rail backboard is defined herein
(i.e. two cornerwise intersection points of backboard) are to carry on the back the center of rail and define between back rail center and double glass photovoltaic module a lines
Vertical range is back the distance between rail and the side.Since 4 back rails are symmetric, below only for carrying on the back rail 2b
The specific setting position of back rail is illustrated.As shown, two when the be Bs nearest with back rail 2b distance1B2The side and
B2B3, wherein back rail 2b and side B1B2The distance between indicated with h, back rail 2b and side B2B3The distance between indicated with b.Side B1B2
Length indicated with B, side B2B3Length indicated with H.Preferably, B/5 <b < B/4, H/5 < h < H/4.It is further preferable that b=B/
4.449 h=H/4.449.
Next referring to Fig. 8.As shown in figure 8, the double glass photovoltaic modulies 300 for being equipped with back rail are fixed to photovoltaic bracket
On, wherein the photovoltaic bracket is using structure shown in Fig. 5.Specifically, the first of edge of a wing side will be not provided in photovoltaic bracket first
Flange plate 402 is inserted into the accommodation groove of back rail until the terminal surface of the first flange plate 402 is contradicted to the first connecting plate 102;So
Adjustment photovoltaic bracket to carry on the back the mounting hole on the bolt mounting holes and photovoltaic bracket web 401 in rail fixed plate 103 (not afterwards
Show) alignment;Then, the mounting hole by bolt 500 across the bolt mounting holes and photovoltaic of back rail;Finally, tightening nut
501 is fixed between back rail and photovoltaic bracket to realize, so far the installation of double glass photovoltaic modulies also terminates.
In the above-described embodiments, the quantity for carrying on the back rail is four.It will be appreciated by persons skilled in the art that being carried on the back using four
It is preferred embodiment that rail, which installs double glass photovoltaic modulies, and in other embodiments, the usage quantity for carrying on the back rail is needed according to double glass
The specific size of photovoltaic module determines, for brevity, may no longer arrange one by one back rail quantity all herein
It lifts.
Back rail provided by the utility model for double glass photovoltaic modulies includes backboard, foreboard, the first connecting plate and consolidates
Fixed board, the upper end of backboard are fixedly connected with the upper end of foreboard, the first connecting plate be arranged between backboard and foreboard and respectively with back
Plate is fixedly connected with foreboard, and the accommodation groove for being inserted into photovoltaic bracket is formed between backboard, the first connecting plate and foreboard, fixed
The lower end of foreboard, the direction extension away from backboard is arranged in plate, is provided with bolt mounting holes in fixed plate.In accommodation groove ruler
In very little identical situation, the width of back its backboard of rail provided by the utility model is greater than the width of existing back rail dorsulum,
That is back rail provided by the utility model significantly reduces the length-width ratio of backboard.In this way, by the utility model institute
The back rail of offer is installed to double glass photovoltaic modulies, due to carrying on the back the reduction of rail dorsulum length-width ratio, is efficiently reduced double
Gap between the lateral anti-bending strength of glass photovoltaic module and longitudinal anti-bending strength, to effectively improve double glass photovoltaic modulies
Resistance to mechanical load-carrying ability.
Above disclosed is only some preferred embodiments of the utility model, cannot limit this reality certainly with this
With novel interest field, therefore equivalent variations made according to the claim of the utility model, still belong to the utility model and is covered
Range.
Claims (10)
1. a kind of back rail for double glass photovoltaic modulies, the back rail include:
Backboard, foreboard, the first connecting plate and fixed plate;
The upper end of the backboard is fixedly connected with the upper end of the foreboard;
The first connecting plate setting is fixed between the backboard and the foreboard and respectively with the backboard and the foreboard
Connection, forms the accommodation groove for being inserted into photovoltaic bracket between the backboard, first connecting plate and the foreboard;
The lower end of the foreboard, the direction extension away from the backboard is arranged in the fixed plate, sets in the fixed plate
It is equipped with bolt mounting holes.
2. back rail according to claim 1, it is characterised in that:
The back rail further includes the second connecting plate, and the upper end of the backboard passes through the upper end of second connecting plate and the foreboard
Connection.
3. back rail according to claim 1 or 2, which is characterized in that the range of angle between the foreboard and the backboard
It is 3 ° to 5 °.
4. back rail according to claim 1 or 2, it is characterised in that:
The photovoltaic bracket includes web, the first flange plate, the second flange plate and edge of a wing side, first flange plate and described
Second flange plate is respectively perpendicular with two long sides of the web and connect, first flange plate, the web and described
Two flange plates constitute U-shaped structure, and the edge of a wing side connect with the ending vertical of second flange plate and towards first wing
The direction of listrium extends;
First connecting plate and the fixed plate are each perpendicular to the backboard, and the width of first connecting plate is more than or equal to institute
The thickness of the first flange plate is stated, the vertical range between first connecting plate and the fixed plate is less than or equal to first wing
The height of listrium.
5. back rail according to claim 1 or 2, it is characterised in that:
The backboard is rectangular shape, wherein the length range of the backboard is 6cm to 13.5cm, the width model of the backboard
Enclosing is 6.5cm to 12cm.
6. back rail according to claim 5, which is characterized in that the length-width ratio of the backboard and double glass photovoltaic modulies
Length-width ratio is equal.
7. back rail according to claim 2, it is characterised in that:
The thickness of first connecting plate, second connecting plate and the fixed plate is greater than the backboard and the foreboard
Thickness.
8. back rail according to claim 7, which is characterized in that first connecting plate, second connecting plate and/or institute
It states fixed plate and is designed as hollow structure.
9. back rail according to claim 2, which is characterized in that the backboard, the foreboard, the fixed plate, described
One connecting plate and second connecting plate are integrally formed.
10. back rail according to claim 1 or 2, which is characterized in that the material of the back rail uses aluminum profile.
Priority Applications (1)
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CN201821268726.3U CN208674143U (en) | 2018-08-07 | 2018-08-07 | Back rail for double glass photovoltaic modulies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821268726.3U CN208674143U (en) | 2018-08-07 | 2018-08-07 | Back rail for double glass photovoltaic modulies |
Publications (1)
Publication Number | Publication Date |
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CN208674143U true CN208674143U (en) | 2019-03-29 |
Family
ID=65833780
Family Applications (1)
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CN201821268726.3U Active CN208674143U (en) | 2018-08-07 | 2018-08-07 | Back rail for double glass photovoltaic modulies |
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CN (1) | CN208674143U (en) |
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2018
- 2018-08-07 CN CN201821268726.3U patent/CN208674143U/en active Active
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