CN114263314B - Waterproof installation method of double-glass frameless photovoltaic modules - Google Patents
Waterproof installation method of double-glass frameless photovoltaic modules Download PDFInfo
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- CN114263314B CN114263314B CN202210192623.8A CN202210192623A CN114263314B CN 114263314 B CN114263314 B CN 114263314B CN 202210192623 A CN202210192623 A CN 202210192623A CN 114263314 B CN114263314 B CN 114263314B
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
本发明属于光伏组件安装技术领域，涉及双玻无边框光伏组件的防水安装方法，包括以下步骤：步骤一：检测表面弯曲度；步骤二：安装导水单元；步骤三：安装调节连接件；步骤四：安装平整度调节装置，并设定第一基准线；步骤五：在导水单元上预铺设双玻光伏组件；步骤六：调节标准组件的横向水平度；步骤七：判断其余纵向以及横向铺设的双玻光伏组件相对于标准组件是否在同一平面上；本发明设置导水单元，使得经由光伏组件表面的水流都汇总至导水单元中排出，防止造成屋顶渗漏后需要拆除光伏组件进行返修，同时，在安装过程中，设定基准线，测定待安装组件与基准线之间的关系，完成整体光伏组件的快速安装并保证其横向水平度。
The invention belongs to the technical field of photovoltaic module installation, and relates to a waterproof installation method for a double-glass frameless photovoltaic module, comprising the following steps: step 1: detecting the curvature of the surface; step 2: installing a water guide unit; Step 4: Install the flatness adjustment device and set the first reference line; Step 5: Pre-lay double-glass photovoltaic modules on the water guide unit; Step 6: Adjust the horizontal levelness of the standard modules; Step 7: Determine the remaining vertical and horizontal Whether the laid double-glass photovoltaic modules are on the same plane relative to the standard modules; the present invention provides a water-conducting unit, so that the water flow through the surface of the photovoltaic modules is collected into the water-conducting unit and discharged, so as to prevent the roof from leaking, the photovoltaic modules need to be removed for Repair, at the same time, during the installation process, set the reference line, measure the relationship between the components to be installed and the reference line, complete the rapid installation of the overall photovoltaic module and ensure its horizontal level.
Description
Technical Field
The invention belongs to the technical field of photovoltaic assembly installation, and particularly relates to a waterproof installation method of a double-glass frameless photovoltaic assembly.
Background
The photovoltaic power generation system is built on the built roof, and in order to solve the roof waterproof problem, the following technologies are provided in the installation mode: the concrete flat roof is usually fixed with a photovoltaic system bracket in a concrete block pressing mode; the color steel tile roof is fixed with a bracket by adopting a metal clamp mode; drilling to fix the support and the like, wherein a waterproof bolt cap is usually arranged at the top of the bolt or sealant is used for improving the waterproofness at the drilling position; the patent number 201610933314.6 discloses that two adjacent photovoltaic modules are connected through a waterproof connecting piece, and the problem of leakage still exists in a gap between the two adjacent photovoltaic modules after the installation by adopting the structure;
in addition, the photovoltaic module is required to be mounted on the same plane, otherwise, as the curvature of the photovoltaic module does not meet the requirement, the overall photoelectric conversion efficiency is affected due to the problems of the angle of sunlight irradiation and the like; for example, the patent number is CN202011249691.0, the patent name is a frameless photovoltaic module waterproof support structure and a photovoltaic sunlight room; the connecting structure adopts a plurality of longitudinal water guide brackets and transverse water guide brackets which are mutually staggered; the plurality of longitudinal water guide supports and the plurality of transverse water guide supports form a grid shape capable of mounting the frameless photovoltaic module, and the mounting of the structure has the defect that the required forming precision of the longitudinal water guide supports and the required forming precision of the transverse water guide supports are high enough; otherwise, the bottom support frame is easy to be uneven after installation, so that the final plane of the photovoltaic module is uneven, and when the existing installation workers install the photovoltaic module, each photovoltaic module needs to be debugged for many times to ensure the horizontal level of the photovoltaic module, so that the integrally installed photovoltaic modules are ensured to be on the same plane, time and labor are consumed, and the precision is not high;
in addition, since the silica gel and the glass for fixing the dual-glass assembly have different thermal expansion coefficients, the length value of the silica gel and the glass is not consistent under the action of higher temperature, so that the assembly is bent; the average curvature is required to be not more than 0.3% by industry specifications, and after the photovoltaic module is stored and transported, the curvature of the photovoltaic module can be influenced to a certain extent, and if the photovoltaic module is directly used for installation, the use quality of the installed photovoltaic module is inevitably caused.
Disclosure of Invention
The invention provides a waterproof installation method of a double-glass frameless photovoltaic assembly, which aims to solve the problems in the prior art.
The invention is realized by adopting the following technical scheme:
the waterproof installation method of the double-glass frameless photovoltaic assembly comprises the following steps:
the method comprises the following steps: detecting whether the surface curvature of each dual-glass photovoltaic assembly to be installed meets set requirements or not through a surface curvature measuring device;
step two: a longitudinal water chute and a transverse water guide supporting strip are arranged on the roof to form a water guide unit; specifically, the method comprises the following steps: firstly, fixing two water guide grooves which are arranged at intervals and extend from the top of a roof to the bottom edge of the roof, after the installation is finished, the slope of each water guide groove is the same, the front end of each water guide groove and the rear end of each water guide groove are flush with each other, then installing a transverse water guide support bar between the two water guide grooves, and forming a water flow channel communicated with the water guide grooves in the transverse water guide support bar;
step three: the water guide unit is provided with an adjusting connecting piece for fixing the photovoltaic module; the photovoltaic module fixing device comprises a transverse supporting strip, a photovoltaic module and a regulating connecting piece, wherein the transverse supporting strip is provided with a plurality of transverse supporting strips;
step four: installing a flatness adjusting device and setting a first datum line; specifically, a flatness adjusting device can be arranged between two adjacent transverse supporting bars;
step five: pre-laying a double-glass photovoltaic assembly on the water guide unit; laying double-glass photovoltaic modules on the water guide unit along the longitudinal direction and the transverse direction, and pre-fixing the double-glass photovoltaic modules by using an adjusting connecting piece;
step six: taking one of the double-glass photovoltaic modules as a standard module, adjusting the transverse levelness of the standard module to be horizontal through a flatness adjusting device, and obtaining a standard distance S from a first reference line to the standard module;
step seven: judging whether the rest of the longitudinally and transversely laid double-glass photovoltaic modules are on the same plane relative to the standard module, if not, judging that the flatness does not meet the requirement, and adjusting according to the actual distance; the specific method comprises the following steps: obtaining an orthographic projection line of a first datum line on a transversely laid double-glass photovoltaic module, setting at least three detection points on the orthographic projection line, measuring the actual distance between each detection point and the first datum line, judging that the photovoltaic module is on the same plane relative to the first double-glass photovoltaic module if the actual distance is within a threshold value (the threshold value is plus or minus 0.05mm-0.1 mm) of a standard distance S, and otherwise, judging that the photovoltaic module and the first double-glass photovoltaic module are not on the same plane.
Preferably, the method for adjusting the horizontal level of the module in the sixth step by the flatness adjusting means comprises the steps of:
s1: taking a cross point of a forward projection line of a first longitudinal axis and a first datum line on the standard assembly, and measuring the distance from the cross point to the first datum line through a flatness adjusting device to be used as a standard distance S;
s2: obtaining a transverse reference axis passing through the intersection point on the standard component, and searching at least any two monitoring points on the transverse reference axis to ensure that the distance H' from the monitoring points to the first datum line is the same as the standard distance S;
s3: after the distance from the monitoring point to the first datum line is adjusted, a longitudinal axis passing through the monitoring point is searched on the standard assembly, and the two ends of the longitudinal axis are fixed through adjusting connecting pieces to complete the adjustment of the transverse levelness of the standard assembly.
Preferably, the flatness adjusting device comprises a reference base, a laser ranging unit is arranged on the reference base, the laser ranging unit is connected with a driving mechanism, the laser ranging unit is driven by the driving mechanism to move in the length direction of the reference base, a motion track of a laser head of the laser ranging unit forms a first datum line, a level instrument device is arranged on the end face of the reference base and used for adjusting the horizontal first datum line to be in a horizontal state, and the two ends of the bottom surface of the reference base are detachably connected with the two longitudinal water guide groove side walls through spherical connecting pieces respectively.
Preferably, the surface curvature measuring device comprises a working platform, a double-glass photovoltaic assembly conveying channel is arranged on the working platform, a double-glass photovoltaic assembly fixing seat is arranged on the double-glass photovoltaic assembly conveying channel, a double-glass photovoltaic assembly surface contour forming module is arranged in the conveying direction of the double-glass photovoltaic assembly conveying channel, a double-glass photovoltaic assembly surface curvature measuring device is arranged on the side of the rear portion of the double-glass photovoltaic assembly surface contour forming module and used for obtaining a double-glass photovoltaic assembly surface contour evaluation curve formed by the double-glass photovoltaic assembly surface contour forming module, and a double-glass photovoltaic assembly surface contour forming module recovery device is further arranged right behind the double-glass photovoltaic assembly surface contour forming module and used for recovering the double-glass photovoltaic assembly surface contour forming module to an initial measurement state.
Preferably, the double-glass photovoltaic assembly surface contour forming module comprises a forming mounting plate fixed on the working platform, a plurality of insertion holes are densely distributed on the forming mounting plate, forming rods are inserted into the insertion holes, a groove is formed in the bottom of the forming mounting plate, the height of the groove is slightly larger than that of the double-glass photovoltaic assembly fixing seat, so that the double-glass photovoltaic assembly fixing seat can pass through the groove, the double-glass photovoltaic assembly can be attached to the forming mounting plate, when the double-glass photovoltaic assembly is attached to the forming mounting plate, the forming rods are pushed to simulate the surface contour of the formed double-glass photovoltaic assembly, the double-glass photovoltaic assembly surface curvature measuring device comprises a mounting shell, an image scanning device is arranged on the side edge of the mounting shell, the image scanning device comprises a first driving motor, and a main transmission gear is fixed on an output shaft of the first driving motor, the photovoltaic module surface profile forming module recovery device comprises a forming rod, a double-glass module and a photovoltaic module surface profile forming module, wherein the forming rod is arranged in the mounting shell, the double-glass module surface profile forming module recovery device comprises a reference plate which is arranged in the mounting shell and is opposite to the forming mounting plate, and the reference plate is connected with a second driving motor.
Preferably, the method for evaluating whether the surface curvature of each double-glass photovoltaic module meets the set requirement comprises the following steps:
a1: obtaining a standard evaluation curve of the surface profile of the double-glass photovoltaic module;
a2: obtaining a front profile evaluation curve of the double-glass photovoltaic module; specifically, the method comprises the following steps: the method comprises the following steps that the front face of a double-glass photovoltaic assembly to be detected faces a double-glass photovoltaic assembly surface contour forming module, the double-glass photovoltaic assembly is placed on a double-glass photovoltaic assembly fixing seat on a double-glass photovoltaic assembly conveying way to be fixed, the double-glass photovoltaic assembly is conveyed to the double-glass photovoltaic assembly surface contour forming module, the double-glass photovoltaic assembly surface contour forming module is used for forming the front face contour of the double-glass photovoltaic assembly to be detected, a model side face image formed by a forming rod is obtained through an image scanning device under a standard light source, and an edge curve of the model side face image is extracted to form a double-glass photovoltaic assembly front face contour evaluation curve;
a3: if the front profile evaluation curve of the double-glass photovoltaic module obtained in the step A2 is not within the threshold range (plus or minus 0.05mm-0.1 mm) of the standard evaluation curve of the surface profile of the double-glass photovoltaic module, judging that the surface curvature of the double-glass photovoltaic module does not meet the standard, and recycling, otherwise, entering the step A4;
a4: obtaining a back profile evaluation curve of the double-glass photovoltaic module; specifically, the method comprises the following steps: the method comprises the following steps that the back side of a double-glass photovoltaic assembly to be detected faces a double-glass photovoltaic assembly surface contour forming module, the double-glass photovoltaic assembly to be detected is placed on a double-glass photovoltaic assembly fixing seat on a double-glass photovoltaic assembly conveying channel to be fixed, the double-glass photovoltaic assembly is conveyed to the double-glass photovoltaic assembly surface contour forming module, the front side contour of the double-glass photovoltaic assembly to be detected is formed through the double-glass photovoltaic assembly surface contour forming module, a model side image formed by a forming rod is obtained through an image scanning device under a standard light source, and an edge curve of the model side image is extracted to form a double-glass photovoltaic assembly back side contour evaluation curve;
a5: and D, if the back profile evaluation curve of the double-glass photovoltaic module obtained in the step A4 is not within the threshold range (plus or minus 0.05mm-0.1 mm) of the standard evaluation curve of the surface profile of the double-glass photovoltaic module, judging that the surface curvature of the double-glass photovoltaic module does not meet the standard, and recycling, otherwise, judging that the surface curvature of the double-glass photovoltaic module meets the set requirement.
Preferably, the method for obtaining the standard evaluation curve of the surface profile of the double-glass photovoltaic module in the step A1 comprises the following steps: get standard dual-glass photovoltaic module, carry standard dual-glass photovoltaic module to dual-glass photovoltaic module surface profile shaping module department, carry out the shaping to standard dual-glass photovoltaic module positive profile through dual-glass photovoltaic module surface profile shaping module to obtain the model side image that is formed by the shaping pole through image scanning device under standard light source, obtain dual-glass photovoltaic module surface profile standard evaluation curve.
Compared with the prior art, the invention has the beneficial effects that:
the photovoltaic module is provided with the water guide unit, so that water flow on the surface of the photovoltaic module is collected to the water guide unit and discharged, the water flow cannot be accumulated on a roof, the photovoltaic module is prevented from being dismounted for repair after the roof is leaked, meanwhile, in the installation process, the datum line is set, the relation between the module to be installed and the datum line is measured, the whole photovoltaic module is quickly installed, the transverse levelness of the whole photovoltaic module is ensured, and in addition, the installed photovoltaic module prevents unqualified modules from being installed through curvature evaluation, and the photoelectric conversion efficiency after installation is influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic view of a mounting portion of the present invention;
FIG. 3 is a side view of a partial structure of the present invention;
FIG. 4 is an enlarged schematic view of A of FIG. 3;
FIG. 5 is a schematic view of an adjusting connector mounting structure according to the present invention;
FIG. 6 is a schematic structural view of a flatness adjusting apparatus according to the present invention;
FIG. 7 is a schematic view of a surface curvature measuring device according to the present invention;
FIG. 8 is a schematic view of another aspect of the surface curvature measuring device of the present invention;
fig. 9 is a schematic view of a connection structure of the longitudinal water chute and the transverse water guide support strip according to the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
in the embodiment, the roof to be installed is an inclined plane;
preparation before installation:
measuring the size of the roof to be installed, and measuring the length of the roof to be installed to be about 13.26m and the width of the roof to be installed to be about 7.28 m;
the specification of the adopted double-glass photovoltaic module is 1970mm 990mm 50; two groups of water guide units are designed on the roof, and the two groups of water guide units are arranged along the length direction of the roof; a maintenance channel is formed between the two groups of water guide units; the number of photovoltaic modules longitudinally paved among the water guide units is 6 x 3, and the number of photovoltaic modules transversely paved among the water guide units is 6 x 3;
as shown in fig. 1 to 8, a waterproof installation method of a double-glass frameless photovoltaic module specifically includes the following steps:
the method comprises the following steps: a standard double-glass photovoltaic assembly and at least 40 groups of double-glass photovoltaic assemblies are taken, and the method specifically comprises the following substeps:
a1, conveying the standard double-glass photovoltaic module to a double-glass photovoltaic module surface contour molding module; molding the front outline of the standard double-glass photovoltaic assembly by using a double-glass photovoltaic assembly surface outline molding group; acquiring a model side image formed by the molding rod through an image scanning device under a standard light source; obtaining a standard evaluation curve of the surface profile of the double-glass photovoltaic module;
a2, continuously and one by one facing the front faces of the 40 groups of double-glass photovoltaic modules to be detected to the double-glass photovoltaic module surface contour forming modules, placing the double-glass photovoltaic modules on the double-glass photovoltaic module conveying channel for fixing, and conveying the double-glass photovoltaic modules to the double-glass photovoltaic module surface contour forming modules; molding the front profile of the dual-glass photovoltaic assembly to be detected through a dual-glass photovoltaic assembly surface profile molding group; acquiring a model side image formed by a forming rod through an image scanning device under a standard light source; extracting an edge curve of the side image of the model to form a front profile evaluation curve of the double-glass photovoltaic module; the front profile evaluation curve of 38 groups of double-glass photovoltaic modules is within the threshold range (plus or minus 0.06 mm) of the standard evaluation curve of the surface profile of the double-glass photovoltaic module;
a3, continuously enabling the reverse side of the 38 groups of double-glass photovoltaic modules to face the double-glass photovoltaic module surface contour forming module, placing the double-glass photovoltaic module on the double-glass photovoltaic module conveying channel to be fixed, and conveying the double-glass photovoltaic module to the double-glass photovoltaic module surface contour forming module; molding the front profile of the dual-glass photovoltaic assembly to be detected through a dual-glass photovoltaic assembly surface profile molding group; acquiring a model side image formed by a forming rod through an image scanning device under a standard light source; extracting an edge curve of the side image of the model to form a reverse side contour evaluation curve of the double-glass photovoltaic module; wherein the back surface contour evaluation curve of 37 groups of double-glass photovoltaic modules is within the threshold range (plus or minus 0.06 mm) of the standard evaluation curve of the surface contour of the double-glass photovoltaic module; thus, the 37 groups of double-glass photovoltaic modules are used for installation preparation;
in the step, if the surface curvature of the double-glass photovoltaic module does not meet the requirement, the edge of an image obtained after the surface contour of at least one surface of the double-glass photovoltaic module is subjected to simulated molding is an outward convex area; the measured image edge can be overlapped with the standard image edge, and whether the actual image edge is within a set threshold value or not is measured and calculated after the overlapping;
step two: 2 groups of water guide units 100 which are arranged at intervals are arranged along the length direction of the roof, and a maintenance channel 200 is formed between the two groups of water guide units, wherein each group of water guide units comprises two longitudinal water guide grooves which are arranged at intervals and extend 101 from the top of the roof to the bottom edge of the roof; the bottom of the longitudinal water guide groove is fixed on the original sandalwood strips 103 through a plurality of support frames 102 which are arranged at intervals; the supporting frame structure comprises a triangular connecting frame 104 connected with the original sandalwood strips through bolts and also comprises a Z-shaped connecting piece 105, wherein the side wall of the Z-shaped connecting piece is fixed on the side wall of the triangular connecting frame through a limiting groove and a fixing screw, the height of the Z-shaped connecting piece relative to the triangular connecting frame is adjusted, and the bottom of a longitudinal water chute is fixed on the top surface of the Z-shaped connecting piece through a screw; after the installation is finished, measuring the slope of each longitudinal water chute to ensure that the slope of each longitudinal water chute is the same, and the front end of each longitudinal water chute and the rear end of each longitudinal water chute are flush with each other; after the two longitudinal water chutes are installed, a transverse water guiding support strip is installed between the two longitudinal water chutes; the transverse water guiding support bars 106 are arranged at intervals from the top of the roof to the bottom edge of the roof, are of hollow rectangular structures, are open at the upper parts, and have side ends communicated with the interior of the longitudinal water guiding grooves, specifically, as shown in fig. 9, the longitudinal water guiding grooves are of M-shaped structures, and are arranged on the shoulders 1000 of the longitudinal water guiding grooves and fixed through bolts;
the water flow of the two adjacent photovoltaic modules which are spliced mutually flows into the transverse water guide supporting strips and flows into the longitudinal water guide grooves; according to the design, sealing materials such as adhesive tapes do not need to be adopted to seal the gap between two adjacent photovoltaic panels, and the sealing materials such as the adhesive tapes are easy to age and need to be maintained frequently;
step three: the set position of the transverse water guide support bar is connected with an adjusting connecting piece; wherein, one side of each double-glass photovoltaic assembly is correspondingly provided with 3 adjusting connecting pieces for fixing; the fixed positions respectively correspond to a longitudinal central axis of the double-glass photovoltaic assembly and positions 10cm away from two ends of the double-glass photovoltaic assembly; the adjusting connecting piece comprises a connecting seat 500 connected to the top of the transverse water guide supporting bar in a sliding mode, a nut 501 is riveted on the connecting seat, the adjusting connecting piece further comprises a locking bolt 502, a pressing strip 503 and a D-shaped fine tuning rubber ring 504 are sleeved on the locking bolt, the D-shaped fine tuning rubber ring is located below the pressing strip, and a space for clamping the double-glass photovoltaic assembly is formed between the pressing strip and the D-shaped fine tuning rubber ring;
step four: installing a flatness adjusting device at a central axis between two adjacent transverse water guide supporting strips, and setting a first datum line;
step five: taking a water guide unit as an independent installation area, taking a first double-glass photovoltaic module, placing the first double-glass photovoltaic module on an end corner of an area to be installed, and locating above a first datum line; paving the photovoltaic modules along the longitudinal direction and the transverse direction of the first double-glass photovoltaic module through adjusting connectors to finish longitudinal and transverse paving;
step six: the horizontal levelness of the first double-glass photovoltaic module is adjusted to be horizontal, and the specific method comprises the following steps:
s1: taking a cross point of an orthographic projection line of a longitudinal central axis and a first datum line on the standard assembly on the first double-glass photovoltaic assembly; measuring the distance from the intersection point to the first reference line as a standard distance S =6.15cm by the flatness adjusting device;
s2: obtaining a transverse reference axis passing through the intersection point on the first double-glass photovoltaic assembly; two monitoring points which are 10cm away from the two ends of the first double-glass photovoltaic assembly are found on the transverse reference axis, the first double-glass photovoltaic assembly is adjusted, and when the flatness adjusting device detects that the distance H' from the monitoring points to the first datum line is within a threshold value of a standard distance S (the threshold value is plus or minus 0.07 mm), adjusting connecting pieces which are 10cm away from the two ends of the double-glass photovoltaic assembly on the first double-glass photovoltaic assembly are fixed, so that transverse levelness adjustment of the first double-glass photovoltaic assembly is completed;
the flatness adjusting device comprises a reference base 600, a laser ranging unit 601 is arranged on the reference base, the laser ranging unit is connected with a driving mechanism and is driven to move along the length direction of the reference base through the driving mechanism, and a first reference line is formed by the motion track of a laser head of the laser ranging unit; a level device 602 is arranged on the end face of the reference seat and used for adjusting a horizontal first reference line to be in a horizontal state, and two ends of the bottom face of the reference seat are respectively detachably connected with the side walls of the two longitudinal water guide grooves through spherical connecting pieces 603; the side walls of the two longitudinal water guide groove side walls are welded with hemispherical connecting clamping grooves 604, wherein the driving mechanism comprises a servo motor 605 and a screw 606 connected with an output shaft of the servo motor, the screw is in transmission connection with a nut seat, a laser head 607 is fixed on the nut seat, and the servo motor is connected with a control panel; during adjustment, firstly, the reference seat is rotated to be horizontal, then the servo motor is controlled by the control panel to convey the laser head to the position right below a longitudinal central axis on the first double-glass photovoltaic module, and distance data at the moment are measured and used as a standard distance S; then moving the laser head to a monitoring point 10cm away from the left end of the first double-glass photovoltaic module, screwing or loosening the locking bolt, and when the distance H' measured by the laser head is within a threshold value (the threshold value is plus or minus 0.07 mm) of a standard distance S, completing installation of one side after locking; the laser ranging unit is integrated with a voice player, when the measured distance H' is within a threshold value (the threshold value is plus or minus 0.07 mm) of the standard distance S, the voice player gives a prompt to remind an installer that the set standard is reached, and the installation of the other side of the photovoltaic panel is completed by the same method; this design can be accurate the deformation volume through D shape fine setting rubber ring adjust two glass photovoltaic module's after the installation horizontal levelness.
Step seven: obtaining an orthographic projection line of a first datum line on a transversely laid double-glass photovoltaic module, setting at least three detection points on the orthographic projection line, detecting the actual distance between each detection point and the first datum line through a flatness detection device, and if the actual distance is within a threshold value (the threshold value is plus or minus 0.07 mm) of a standard distance S; determining that the photovoltaic assembly is on the same plane relative to the first double-glass photovoltaic assembly; otherwise, judging that the photovoltaic assembly and the first double-glass photovoltaic assembly are not on the same plane, the flatness does not meet the requirement, and adjusting according to the actual distance; the method specifically comprises the following steps: and continuously moving the laser head to the position below the rest double-glass photovoltaic modules, screwing or loosening the locking bolt, and locking when the distance H' measured by the laser head is within a threshold value (the threshold value is plus or minus 0.07 mm) of the standard distance S, namely completing detection or adjustment.
Step eight: and repeating the fourth step to the seventh step to finish the installation of each installation area.
The surface curvature measuring device comprises a working platform 700, wherein a double-glass photovoltaic assembly conveying channel 701 is arranged on the working platform, a double-glass photovoltaic assembly fixing seat 702 is arranged on the double-glass photovoltaic assembly conveying channel, a double-glass photovoltaic assembly surface contour forming module is arranged in the conveying direction of the double-glass photovoltaic assembly conveying channel, and a double-glass photovoltaic assembly surface curvature measuring device is arranged on the side of the rear part of the double-glass photovoltaic assembly surface contour forming module; the method is used for obtaining a double-glass photovoltaic assembly surface contour evaluation curve formed by the double-glass photovoltaic assembly surface contour forming die; a double-glass photovoltaic assembly surface contour forming module recovery device is further arranged right behind the double-glass photovoltaic assembly surface contour forming module and used for recovering the double-glass photovoltaic assembly surface contour forming module to an initial measurement state, the double-glass photovoltaic assembly surface contour forming module comprises a forming mounting plate 703 fixed on a working platform, a plurality of insertion holes 704 are densely distributed on the forming mounting plate, forming rods are inserted in the insertion holes, a groove 705 is formed in the bottom of the forming mounting plate, and the height of the groove is slightly larger than that of a double-glass photovoltaic assembly fixing seat, so that the double-glass photovoltaic assembly fixing seat can pass through the groove, and the double-glass photovoltaic assembly can be attached to the forming mounting plate; when the double-glass photovoltaic component is attached to the forming installation plate, the forming rod is pushed to simulate the surface profile of the forming double-glass photovoltaic component, the surface curvature measuring device of the double-glass photovoltaic component comprises an installation shell 708, an image scanning device is arranged on the side edge of the installation shell, the image scanning device comprises a first driving motor, a main transmission gear 710 is fixed on an output shaft of the first driving motor, the double-glass photovoltaic component further comprises a rack 711 in meshing transmission connection with the main transmission gear, and a CCD scanning head (charge coupled device image sensor scanner) component 712 is fixed on the rack; the CCD scanning head (CCD image sensor scanner) assembly is driven by the rack to transversely move back and forth, the height of the CCD scanning head (CCD image sensor scanner) assembly is slightly greater than the vertical height of the forming rod, the double-glass photovoltaic assembly surface profile forming module recovery device comprises a reference plate 713 which is arranged in the mounting shell and is opposite to the forming mounting plate, and the reference plate is connected with a second driving motor 714.
In addition, the waterproof mounting structure of photovoltaic module of this embodiment specifically is: the waterproof mounting structure of the double-glass frameless photovoltaic assembly comprises a plurality of longitudinal water guide grooves 100 which are arranged at intervals along the length direction of a roof, wherein the longitudinal water guide grooves are mutually arranged at intervals and extend 200 from the top of the roof to the bottom edge of the roof; after the installation is finished, the slope of each longitudinal water chute is the same, and the front end of each longitudinal water chute and the rear end of each longitudinal water chute are flush with each other; a transverse water guide support bar 102 is arranged between two adjacent longitudinal water guide grooves, and a water flow channel communicated with the longitudinal water guide grooves is formed inside the transverse water guide support bar; the set position of the transverse water guide supporting bar is connected with an adjusting connecting piece; the adjusting connecting piece is connected with two adjacent double-glass photovoltaic assemblies arranged in the longitudinal direction, gaps of the two adjacent double-glass photovoltaic assemblies connected in the longitudinal direction are communicated with the water flow channel, the transverse water guide supporting strip is of a hollow rectangular structure, an opening is formed above the transverse water guide supporting strip, the side end of the transverse water guide supporting strip is connected with the longitudinal water guide groove, and the gaps of the two adjacent double-glass photovoltaic assemblies connected in the longitudinal direction are located above the openings of the transverse water guide supporting strip; the water flow flowing into the gap flows into the transverse water guide supporting bar and flows into the longitudinal water guide groove; adjusting connection spare includes sliding connection in the connecting seat 500 at horizontal water guide support bar top, the riveting has nut 501 on the connecting seat, still includes locking bolt 502, layering 504 and D shape fine setting rubber ring 55 have been cup jointed on the locking bolt, D shape fine setting rubber ring is located the below of layering, form the space that is used for centre gripping double-glass photovoltaic module between layering and the D shape fine setting rubber ring.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (2)
1. The waterproof installation method of the double-glass frameless photovoltaic assembly is characterized by comprising the following steps of: the method comprises the following steps:
the method comprises the following steps: detecting whether the surface curvature of each dual-glass photovoltaic assembly to be installed meets set requirements or not through a surface curvature measuring device;
step two: a longitudinal water chute and a transverse water guide supporting strip are arranged on the roof to form a water guide unit;
step three: the water guide unit is provided with an adjusting connecting piece for fixing the photovoltaic module;
step four: installing a flatness adjusting device and setting a first datum line;
step five: pre-laying a double-glass photovoltaic assembly on the water guide unit;
step six: taking one of the double-glass photovoltaic modules as a standard module, adjusting the transverse levelness of the standard module to be horizontal through a flatness adjusting device, and obtaining a standard distance S from a first reference line to the standard module;
step seven: obtaining an orthographic projection line of a first datum line on a transversely laid double-glass photovoltaic assembly, setting at least three detection points on the orthographic projection line, measuring the actual distance between the detection points and the first datum line, judging that the photovoltaic assembly is on the same plane relative to the first double-glass photovoltaic assembly if the actual distance is within a threshold value of a standard distance S, otherwise, judging that the photovoltaic assembly and the first double-glass photovoltaic assembly are not on the same plane, and adjusting the photovoltaic assembly to meet the requirement according to the actual distance;
wherein, the surface curvature measuring device comprises a working platform, a double-glass photovoltaic assembly conveying channel is arranged on the working platform, a double-glass photovoltaic assembly fixing seat is arranged on the double-glass photovoltaic assembly conveying channel, a double-glass photovoltaic assembly surface contour forming module is arranged along the conveying direction of the double-glass photovoltaic assembly conveying channel, a double-glass photovoltaic assembly surface curvature measuring device is arranged along the rear side of the double-glass photovoltaic assembly surface contour forming module and is used for obtaining a double-glass photovoltaic assembly surface contour evaluation curve formed by the double-glass photovoltaic assembly surface contour forming module, a double-glass photovoltaic assembly surface contour forming module restoring device is also arranged right behind the double-glass photovoltaic assembly surface contour forming module and is used for restoring the double-glass photovoltaic assembly surface contour forming module to an initial measuring state, and the double-glass photovoltaic assembly surface contour forming module comprises a forming mounting plate fixed on the working platform, the double-glass photovoltaic assembly surface curvature measuring device comprises an installation shell, an image scanning device is arranged on the side edge of the installation shell, the image scanning device comprises a first driving motor, a main driving gear is fixed on an output shaft of the first driving motor, a rack which is in meshing transmission connection with the main driving gear is further included, a CCD scanning head assembly is fixed on the rack, the CCD scanning head assembly is driven by the rack to transversely move back and forth, the height of the CCD scanning head assembly is slightly greater than the vertical height of the forming rod, the double-glass photovoltaic assembly surface contour forming module recovery device comprises a reference plate which is arranged in the mounting shell and is opposite to the forming mounting plate, and the reference plate is connected with a second driving motor;
the method for evaluating whether the surface curvature of each double-glass photovoltaic module meets the set requirement through the surface curvature measuring device comprises the following steps:
a1: obtaining a standard evaluation curve of the surface profile of the double-glass photovoltaic module;
a2: obtaining a front profile evaluation curve of the double-glass photovoltaic module; specifically, the method comprises the following steps: the method comprises the following steps that the front side of a double-glass photovoltaic assembly to be detected faces a double-glass photovoltaic assembly surface contour forming module and is placed on a double-glass photovoltaic assembly fixing seat on a double-glass photovoltaic assembly conveying channel to be fixed, the double-glass photovoltaic assembly is conveyed to the double-glass photovoltaic assembly surface contour forming module, the double-glass photovoltaic assembly surface contour forming module is used for forming the front side contour of the double-glass photovoltaic assembly to be detected, a model side image formed by a forming rod is obtained through an image scanning device under a standard light source, and an edge curve of the model side image is extracted to form a double-glass photovoltaic assembly front contour evaluation curve;
a3: if the front profile evaluation curve of the double-glass photovoltaic module obtained in the step A2 is not within the threshold range of the standard evaluation curve of the surface profile of the double-glass photovoltaic module, judging that the surface curvature of the double-glass photovoltaic module does not meet the standard, recycling, and otherwise, entering the step A4;
a4: obtaining a back profile evaluation curve of the double-glass photovoltaic module; specifically, the method comprises the following steps: the method comprises the following steps that the back side of a double-glass photovoltaic assembly to be detected faces a double-glass photovoltaic assembly surface contour forming module, the double-glass photovoltaic assembly to be detected is placed on a double-glass photovoltaic assembly fixing seat on a double-glass photovoltaic assembly conveying channel to be fixed, the double-glass photovoltaic assembly is conveyed to the double-glass photovoltaic assembly surface contour forming module, the front side contour of the double-glass photovoltaic assembly to be detected is formed through the double-glass photovoltaic assembly surface contour forming module, a model side image formed by a forming rod is obtained through an image scanning device under a standard light source, and an edge curve of the model side image is extracted to form a double-glass photovoltaic assembly back side contour evaluation curve;
a5: if the back profile evaluation curve of the double-glass photovoltaic module obtained in the step A4 is not within the threshold range of the surface profile standard evaluation curve of the double-glass photovoltaic module, judging that the surface curvature of the double-glass photovoltaic module does not accord with the standard, recycling, otherwise, judging that the surface curvature of the double-glass photovoltaic module accords with the set requirement.
2. The waterproof installation method of the double-glass frameless photovoltaic module of claim 1, wherein: in the sixth step, the method for adjusting the transverse levelness of the standard component to be horizontal through the levelness adjusting device comprises the following steps:
s1: taking a cross point of a forward projection line of a first longitudinal axis and a first datum line on the standard assembly, and measuring the distance from the cross point to the first datum line through a flatness adjusting device to be used as a standard distance S;
s2: obtaining a transverse reference axis passing through the intersection point on the standard component, and searching at least any two monitoring points on the transverse reference axis to ensure that the distance H' from the monitoring points to the first datum line is the same as the standard distance S;
s3: after the distance from the monitoring point to the first datum line is adjusted, a longitudinal axis passing through the monitoring point is searched on the standard assembly, and the two ends of the longitudinal axis are fixed through adjusting connecting pieces to complete the adjustment of the transverse levelness of the standard assembly.
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Inventor after: Gong Jianhui Inventor after: Chen Zhen Inventor after: Xu Zhenglu Inventor before: Gong Jianhui Inventor before: Chen Zhen Inventor before: Xu Zhenglu |
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Application publication date: 20220401 Assignee: Zhejiang Qingdian Construction Co.,Ltd. Assignor: Zhejiang Qingtian Solar Energy Technology Co.,Ltd. Contract record no.: X2025980022874 Denomination of invention: Double glass frameless photovoltaic module waterproof installation method Granted publication date: 20220527 License type: Common License Record date: 20250916 |