WO2025247426A1 - 用于光伏组件的压块和具有其的光伏组件 - Google Patents

用于光伏组件的压块和具有其的光伏组件

Info

Publication number
WO2025247426A1
WO2025247426A1 PCT/CN2025/110279 CN2025110279W WO2025247426A1 WO 2025247426 A1 WO2025247426 A1 WO 2025247426A1 CN 2025110279 W CN2025110279 W CN 2025110279W WO 2025247426 A1 WO2025247426 A1 WO 2025247426A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
connecting plate
photovoltaic module
clamping
photovoltaic modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2025/110279
Other languages
English (en)
French (fr)
Inventor
肖海涛
谢一帆
关尧竞
储晶
潘秀娟
张舒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Trina Solar Co Ltd
Original Assignee
Trina Solar Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Trina Solar Co Ltd filed Critical Trina Solar Co Ltd
Publication of WO2025247426A1 publication Critical patent/WO2025247426A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
    • F24S25/634—Clamps; Clips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/63—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
    • F24S25/634—Clamps; Clips
    • F24S25/636—Clamps; Clips clamping by screw-threaded elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S30/00—Structural details of PV modules other than those related to light conversion
    • H02S30/10—Frame structures
    • 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

Definitions

  • This application relates to the field of photovoltaic technology, and more specifically to briquettes for photovoltaic modules and photovoltaic modules having therethereof.
  • PV module is an electronic device that converts solar energy into electrical energy using the photovoltaic effect. It mainly consists of components such as photovoltaic glass, solar cells, a backsheet, and a mounting frame. PV modules offer numerous advantages, including energy saving, environmental friendliness, safety, reliability, renewability, and long lifespan, and are therefore widely used in grid-connected power generation, traffic lighting, and communication base stations.
  • PV photovoltaic
  • the clamping block includes: a fixing plate with mounting holes for fixing the fixing plate to a predetermined mounting member; a connecting plate having opposing first and second ends, the first end being connected to the fixing plate, wherein stress relief holes are provided on the connecting plate; and a pressing plate connected to the second end, configured to abut against the photovoltaic module when the fixing plate is fixed to the predetermined mounting member, thereby constraining the photovoltaic module between the pressing plate and the predetermined mounting member.
  • the clamping block of this application includes a fixing plate, a connecting plate, and a clamping plate.
  • the fixing plate has mounting holes for fixing it to a predetermined mounting component.
  • the connecting plate has opposing first and second ends. The first end is connected to the fixing plate, and the second end is connected to the clamping plate, thus connecting the fixing plate and the clamping plate.
  • the clamping plate is configured to abut against the photovoltaic module when the fixing plate is fixed to the predetermined mounting component, thereby constraining the photovoltaic module to the clamping block and the predetermined mounting component. Stress relief holes are provided on the connecting plate.
  • the stress at the connection between the fixing plate and the predetermined mounting component can be transmitted through the fixing plate to the connecting plate, and a portion of the stress is released after passing through the stress relief holes, thereby correspondingly reducing the force exerted by the clamping plate on the photovoltaic module, preventing damage to the photovoltaic module, and thus improving the safety and service life of the photovoltaic module.
  • the stress relief hole has a length of L1 along the length direction of the connecting plate and a length of L2 along the width direction of the connecting plate, where L1 ⁇ L2.
  • This arrangement allows the stress relief hole to extend approximately along the length direction of the connecting plate, meaning it also extends approximately along the length direction of the pressure plate. This ensures that the stress at the connection between the fixing plate and the photovoltaic module is effectively released when passing through the stress relief hole on the connecting plate, guaranteeing sufficient stress release space and significantly reducing the stress transmitted to the pressure plate.
  • the diameter of the mounting hole is D, where L2 ⁇ D.
  • This configuration allows the stress relief hole to have a suitable width, providing sufficient space for stress release.
  • the length of the connecting plate along the length direction is L, wherein 1/3L ⁇ L1 ⁇ 2/3L.
  • the stress relief holes are arranged in the middle of the connecting plate. This arrangement allows stress to be transmitted more evenly to the pressure plate via the connecting plate.
  • the stress relief holes are arranged symmetrically along the vertical centerline of the connecting plate to further improve the uniformity of stress transmission.
  • the stress relief hole is a waist-shaped hole, a triangular hole, an arc-shaped hole, or an elliptical hole to enrich the types of stress relief holes.
  • the fixing plate has a first edge and a second edge that are opposite to each other, and the connecting plate extends perpendicularly from the first edge and/or the second edge to the clamping plate.
  • the clamping block further includes a support plate, which extends perpendicularly from the first edge and/or the second edge in a direction away from the connecting plate, and the support plate is adapted to abut against the predetermined mounting member.
  • the support plate further improves the reliability and stability of the clamping block in fixing the photovoltaic modules.
  • the pressure plate is an arc-shaped plate that protrudes away from the fixing plate.
  • the arc-shaped plate allows the pressure plate to more firmly press the photovoltaic module, preventing the photovoltaic module from slipping off the pressure block.
  • anti-slip protrusions are formed on the clamping surface of the clamping plate that is adapted to abut against the photovoltaic module.
  • the anti-slip protrusions increase the coefficient of friction between the clamping plate and the photovoltaic module, thereby improving the reliability of their connection.
  • this application provides a photovoltaic module.
  • This photovoltaic module includes a clamping block as described in any of the preceding claims. By employing the clamping block described in any of the preceding claims, the photovoltaic module of this application can effectively avoid stress concentration, improving safety and service life.
  • Figure 1 is a structural schematic diagram of an embodiment of the photovoltaic module and predetermined mounting component of this application;
  • Figure 2 is a schematic diagram of the structure of the first embodiment of the photovoltaic module using the pressing block of this application, installed on a predetermined mounting component;
  • FIG. 3 is a structural schematic diagram of the first embodiment of the pressing block used in photovoltaic modules according to this application;
  • Figure 4 is a front view of the first embodiment of the pressing block used for photovoltaic modules according to this application;
  • Figure 5 is a structural schematic diagram of a second embodiment of the pressing block used in this application for photovoltaic modules
  • FIG. 6 is a structural schematic diagram of the third embodiment of the pressing block used in photovoltaic modules according to this application.
  • Figure 7 is a schematic diagram of the fourth embodiment of the photovoltaic module using a pressing block in this application, installed on a predetermined mounting component;
  • Figure 8 is a structural schematic diagram of the fourth embodiment of the pressing block used in photovoltaic modules according to this application.
  • Figure 9 is a schematic diagram of the fifth embodiment of the photovoltaic module using a pressing block in this application, installed on a predetermined mounting component;
  • Figure 10 is a structural schematic diagram of the fifth embodiment of the pressing block used in this application for photovoltaic modules.
  • connection should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
  • the pressure block 200 includes: a fixing plate 210 with mounting holes 213 for fixing the fixing plate 210 to a predetermined mounting member 400; a connecting plate 220 having opposing first ends 221 and second ends 222, the first end 221 being connected to the fixing plate 210, wherein stress relief holes 223 are provided on the connecting plate 220; and a clamping plate 230 connected to the second end 222, and configured to abut against the photovoltaic module 100 when the fixing plate 210 is fixed to the predetermined mounting member 400, so as to constrain the photovoltaic module 100 between the clamping plate 230 and the predetermined mounting member 400.
  • Figure 1 is a structural schematic diagram of an embodiment of the photovoltaic module and the predetermined mounting component of this application
  • Figure 2 is a structural schematic diagram of the photovoltaic module of this application mounted on the predetermined mounting component using a first embodiment of clamping blocks.
  • the photovoltaic module 100 of this application is fixed to the predetermined mounting component 400 by four clamping blocks 200 spaced apart from each other.
  • the four clamping blocks 200 are respectively arranged on two opposite edges of the photovoltaic module 100.
  • Each clamping block 200 is detachably fixed to the predetermined mounting component 400.
  • the clamping blocks 200 abut against the photovoltaic module 100 and apply appropriate pressure to the photovoltaic module 100, so that the photovoltaic module 100 is stably and firmly constrained between the clamping blocks 200 and the predetermined mounting component 400.
  • the clamping blocks 200 may also be provided in other suitable numbers, more or less than four, such as three, five, etc.
  • the arrangement of the clamping blocks 200 can also be adjusted according to actual needs.
  • the photovoltaic module 100 can be fixed using the clamping blocks 200 described in any of the following embodiments.
  • the pre-installed component 400 can be, but is not limited to, rooftops, carports, outdoor light fixtures, etc.
  • the photovoltaic module 100 of this application includes components such as photovoltaic glass 110, solar cells 120, a backsheet 130, and a fixing frame 140.
  • the photovoltaic glass 110 is arranged on the light-facing side of the solar cells 120.
  • the photovoltaic glass 110 is made of glass and undergoes special processing to give it high light transmittance and weather resistance, ensuring that the solar cells 120 fully utilize solar energy.
  • the solar cells 120 are the core component of the photovoltaic module 100 and can be made of silicon materials, such as monocrystalline silicon, polycrystalline silicon, and amorphous silicon.
  • the backsheet 130 is arranged on the back-facing side of the solar cells 120.
  • the backsheet 130 can be made of polymer materials or glass materials to give it good weather resistance and electrical insulation properties, ensuring the reliability and safety of the photovoltaic module 100 under different environmental conditions.
  • the fixing frame 140 fixes the photovoltaic glass 110, solar cells 120, and backsheet 130 together.
  • the fixing frame 140 can be made of aluminum alloy or other suitable materials.
  • the photovoltaic module 100 also includes, but is not limited to, components such as connecting wires, junction boxes, and sealant (not shown in the figure) to ensure its normal operation.
  • FIG 3 is a structural schematic diagram of the first embodiment of the clamping block used in photovoltaic modules according to this application.
  • the clamping block 200 of this application is an edge clamping block. Each edge clamping block is matched with only one corresponding photovoltaic module 100.
  • the clamping block 200 can be made of a suitable metal material (e.g., aluminum alloy) through machining processes (e.g., extrusion, stamping, etc.) to give it good mechanical properties, weather resistance and structural stability.
  • the pressure block 200 includes a fixing plate 210, a connecting plate 220, a clamping plate 230, and a support plate 240.
  • the fixing plate 210 has a generally rectangular shape. Alternatively, the fixing plate 210 may also be configured in other suitable shapes, such as a square. In the assembled state, the fixing plate 210 extends generally horizontally.
  • the fixing plate 210 has two opposing edges, namely a first edge 211 and a second edge 212. Based on the orientation shown in Figure 3, the first edge 211 is the front edge of the fixing plate 210, and the second edge 212 is the rear edge of the fixing plate 210.
  • a mounting hole 213 is provided on the fixing plate 210.
  • the mounting hole 213 can mate with a suitable fastener 300 (see Figures 1 and 2) to conveniently and securely fix the fixing plate 210 to the predetermined mounting member 400.
  • the fastener 300 may be, but is not limited to, bolts, nuts, screws, etc.
  • the mounting hole 213 can be a circular hole, an oblong hole, or other suitable shape.
  • the mounting hole 213 is arranged at the center of the fixing plate 210 to ensure reliable fixing. Alternatively, the mounting hole 213 can also be arranged in other suitable locations. Alternatively, there can be two, three, or other suitable numbers of mounting holes 213.
  • the connecting plate 220 is disposed on one of the two opposing edges of the fixing plate 210. Specifically, the connecting plate 220 is disposed on the second edge 212 of the fixing plate 210. Alternatively, the connecting plate 220 may also be disposed on the first edge 211 of the fixing plate 210.
  • the connecting plate 220 extends approximately perpendicularly along the second edge 212 of the fixing plate 210 in a direction away from the fixing plate 210 (i.e., upward based on the orientation shown in Figure 3).
  • the connecting plate 220 has opposing first ends 221 and second ends 222. The first end 221 is the lower end of the connecting plate 220, and the second end 222 is the upper end of the connecting plate 220.
  • the first end 221 of the connecting plate 220 is connected to the fixing plate 210, and the second end 222 is connected to the clamping plate 230.
  • the connecting plate 220 has a generally rectangular shape. Alternatively, the connecting plate 220 may also be configured in other suitable shapes, such as a square.
  • a stress relief hole 223 is provided on the connecting plate 220. The stress relief hole 223 can be manufactured using a suitable machining process (such as stamping, drilling, etc.).
  • the compressive stress generated by the fastener 300 near the mounting hole 213 will be transmitted to the connecting plate 220 through the fixing plate 210, and a portion of it will be released through the stress relief hole 230 arranged on the connecting plate 220, thereby effectively preventing stress concentration on the clamping plate 230 and damage to the photovoltaic module 100, ensuring the safety and service life of the photovoltaic module 100.
  • the stress relief hole 223 is arranged in the middle of the connecting plate 220, which allows the compressive stress generated by the fastener 300 near the mounting hole 213 to be transmitted more evenly to the clamping plate 230 through the connecting plate 220.
  • the stress relief holes 223 are arranged symmetrically along the vertical centerline of the connecting plate 220 to further improve the uniformity of stress transmission.
  • Figure 4 is a front view of a first embodiment of the clamping block for photovoltaic modules according to this application.
  • the stress relief hole 223 is an oblong hole.
  • the stress relief hole 223 has a length L1 along the length direction of the connecting plate 220 (based on the orientation shown in Figure 4, i.e., the left-right direction) and a length L2 along the width direction of the connecting plate 220 (based on the orientation shown in Figure 4, i.e., the up-down direction), where L1 > L2.
  • the stress relief hole 223 can be extended approximately along the length direction of the connecting plate 220, so that there is sufficient release space when stress is transmitted from the fixing plate 210 to the connecting plate 220.
  • the diameter of the mounting hole 213 is D, where L2 ⁇ D.
  • the stress relief hole 223 can have a moderate width to ensure that the stress has sufficient release space in the stress relief hole 223 area, effectively reducing stress concentration.
  • the length of the connecting plate 220 along its length direction is L, where 1/3L ⁇ L1 ⁇ 2/3L. This allows for further limitation of the size of the stress relief hole 223, giving it a suitable length so that the rigidity and mechanical strength of the connecting plate 220 can be considered while satisfying stress relief requirements.
  • a clamping plate 230 is arranged on the side of the connecting plate 220 away from the fixing plate 210.
  • the fixing plate 210 is arranged on the front side of the connecting plate 220, while the clamping plate 230 is arranged on the rear side of the connecting plate 220.
  • the clamping plate 230 is configured such that the second end 222 of the connecting plate 220 extends in a direction away from the fixing plate 210. In other words, the clamping plate 230 and the fixing plate 210 extend in substantially opposite directions.
  • the clamping plate 230 In the assembled state, the clamping plate 230 abuts against the photovoltaic module 100 and applies suitable pressure to the photovoltaic module 100, thereby constraining the photovoltaic module 100 between the clamping plate 230 and the predetermined mounting member 400, thereby quickly and securely fixing the photovoltaic module 100.
  • the clamping plate 230 is an arc-shaped plate that bulges in a direction away from the fixing plate 210. Based on the orientation shown in Figure 3, this arc-shaped plate bulges upward.
  • the curved plate design provides a more secure hold to the photovoltaic module 100, preventing it from slipping off the pressure plate 230.
  • anti-slip protrusions are formed on the pressure surface 231 of the pressure plate 230 (i.e., the surface opposite to the photovoltaic module 100) to further increase the coefficient of friction between the pressure plate 230 and the photovoltaic module 100, thereby improving the reliability of their connection. It should be noted that the specific shape, number, and arrangement of the anti-slip protrusions can be adjusted according to actual needs.
  • the support plate 240 is disposed on one of the two opposite edges of the fixing plate 210. Specifically, the support plate 240 is disposed on the first edge 211 of the fixing plate 210. Alternatively, the support plate 240 may also be disposed on the second edge 212 of the fixing plate 210.
  • the support plate 240 is configured to extend substantially perpendicularly from the first edge 211 of the fixing plate 210 toward a direction away from the connecting plate 220. Based on the orientation shown in Figure 3, the support plate 240 extends substantially perpendicularly downward from the front edge of the fixing plate 210.
  • the support plate 240 can abut against the predetermined mounting member 400 to improve the stability of the connection between the pressure block 200, the photovoltaic module 100, and the predetermined mounting member 400.
  • a support base 241 is provided at the bottom of the support plate 240 to increase the contact area between the support plate 240 and the predetermined mounting member 400, thereby improving the support effect.
  • FIG. 5 is a structural schematic diagram of a second embodiment of the pressure block used in photovoltaic modules according to this application.
  • the pressure block 200 of this application is an edge pressure block composed of a support plate 240, a fixing plate 210, a connecting plate 220, and a pressing plate 230 connected in sequence.
  • a stress relief hole 223 is provided on the connecting plate 220.
  • This stress relief hole 223 is a triangular hole. Further, the triangular hole has the shape of an isosceles triangle or an equilateral triangle, giving it a regular and symmetrical shape.
  • the base of the triangular hole faces upward and the vertex faces downward, so that the entire stress relief hole 223 extends approximately along the length direction of the connecting plate 220.
  • the parts not mentioned in the second embodiment of the pressure block 200 can be configured the same as in the first embodiment, and will not be described again here.
  • FIG 6 is a structural schematic diagram of the third embodiment of the clamping block for photovoltaic modules according to this application.
  • the clamping block 200 of this application is an edge clamping block composed of a support plate 240, a fixing plate 210, a connecting plate 220, and a pressing plate 230 connected in sequence.
  • a stress relief hole 223 is provided on the connecting plate 220.
  • This stress relief hole 223 is an arc-shaped hole.
  • the arc-shaped hole extends approximately along the length direction of the connecting plate 220.
  • the arc-shaped hole arches approximately toward the pressing plate 230 (based on the orientation shown in Figure 6, i.e., upward).
  • the arc-shaped hole may also be configured to arch approximately toward the fixing plate 210 (based on the orientation shown in Figure 6, i.e., downward). It should be noted that the parts of the clamping block 200 not mentioned in the third embodiment can be configured the same as in the first embodiment, and will not be described again here.
  • Figure 7 is a schematic diagram of the fourth embodiment of the photovoltaic module using a pressure block installed on a predetermined mounting component
  • Figure 8 is a schematic diagram of the fourth embodiment of the pressure block used for photovoltaic modules in this application.
  • the pressure block 200 of this application is an intermediate pressure block.
  • Each intermediate pressure block 200 can be matched with two photovoltaic modules 100 simultaneously to improve the utilization efficiency of the pressure block 200 and the installation efficiency of the photovoltaic modules 100.
  • the pressure block 200 includes a fixing plate 210, a connecting plate 220, and a clamping plate 230.
  • the fixing plate 210 extends generally horizontally.
  • Mounting holes 213 are provided on the fixing plate 210 to mate with suitable fasteners 300, so as to secure the fixing plate 210 to a predetermined mounting member 400.
  • the connecting plate 220 includes a first connecting plate 220a and a second connecting plate 220b opposite to each other. Based on the orientation shown in FIG8, the first connecting plate 220a extends generally vertically upward from a first edge 211 of the fixing plate 210, while the second connecting plate 220b extends generally vertically upward from a second edge 212 of the fixing plate 210.
  • Stress relief holes 223 are provided on each of the first connecting plate 220a and the second connecting plate 220b.
  • the stress relief holes 223 on the first connecting plate 220a and the stress relief holes 223 on the second connecting plate 220b are identical in shape, number, and arrangement to improve the uniformity of stress relief.
  • Each of the first connecting plate 220a and the second connecting plate 220b has an opposing first end 221 and a second end 222. The first end 221 is connected to the fixing plate 210, while the second end 222 is connected to the corresponding clamping plate 230.
  • the clamping plate 230 includes a first clamping plate 230a and a second clamping plate 230b opposite to each other.
  • the first clamping plate 230a is disposed on the second end 222 of the first connecting plate 220a, and the second clamping plate 230b is disposed on the second end 222 of the second connecting plate 220b.
  • the first clamping plate 230a and the second clamping plate 230b extend in generally opposite directions to mate with different photovoltaic modules 100 located on both sides of the pressure block 200. It should be noted that the parts not mentioned in the fourth embodiment of the pressing block 200 can be configured the same as those in the first, second or third embodiments, and will not be described again here.
  • Figure 9 is a structural schematic diagram of the fifth embodiment of the photovoltaic module using a pressure block installed on a predetermined mounting component
  • Figure 10 is a structural schematic diagram of the fifth embodiment of the pressure block used for photovoltaic modules in this application.
  • the pressure block 200 of this application is an intermediate pressure block.
  • Each intermediate pressure block 200 can be matched with two photovoltaic modules 100 simultaneously to improve the utilization efficiency of the pressure block 200 and the installation efficiency of the photovoltaic modules 100.
  • the pressure block 200 includes a fixing plate 210, a connecting plate 220, a clamping plate 230, and a support plate 240.
  • the fixing plate 210 In the assembled state, the fixing plate 210 extends generally horizontally. Mounting holes 213 are provided on the fixing plate 210 to mate with suitable fasteners 300, so as to secure the fixing plate 210 to a predetermined mounting member 400.
  • the connecting plate 220 includes a first connecting plate 220a and a second connecting plate 220b opposite to each other.
  • the first connecting plate 220a extends generally vertically upward from a first edge 211 of the fixing plate 210, while the second connecting plate 220b extends generally vertically upward from a second edge 212 of the fixing plate 210.
  • Stress relief holes 223 are provided on each of the first connecting plate 220a and the second connecting plate 220b.
  • the stress relief holes 223 on the first connecting plate 220a and the stress relief holes 223 on the second connecting plate 220b are identical in shape, number, and arrangement to improve the uniformity of stress relief.
  • Each of the first connecting plate 220a and the second connecting plate 220b has an opposing first end 221 and a second end 222.
  • the first end 221 is connected to the fixing plate 210, while the second end 222 is connected to the corresponding clamping plate 230.
  • the clamping plate 230 includes a first clamping plate 230a and a second clamping plate 230b opposite to each other.
  • the first clamping plate 230a is disposed on the second end 222 of the first connecting plate 220a
  • the second clamping plate 230b is disposed on the second end 222 of the second connecting plate 220b.
  • the first clamping plate 230a and the second clamping plate 230b extend in generally opposite directions to mate with different photovoltaic modules 100 located on both sides of the pressure block 200.
  • the support plate 240 includes a first support plate 240a and a second support plate 240b opposite to each other.
  • the first support plate 240a extends vertically from the first edge 211 of the fixing plate 210 in a direction away from the first connecting plate 220a (i.e., downward based on the orientation shown in FIG. 10).
  • the second support plate 240b extends vertically from the second edge 212 of the fixing plate 210 in a direction away from the second connecting plate 220b (i.e., downward based on the orientation shown in FIG. 10).
  • both the first support plate 240a and the second support plate 240b can abut against the predetermined mounting member 400 to improve the stability of the photovoltaic module 100 installation.
  • the parts of the pressure block 200 not mentioned in the fifth embodiment can be configured the same as in the first, second, or third embodiments, and will not be described again here.
  • the stress relief hole 223 may also be configured as a circle, a square, or other suitable shape. Accordingly, the length L1 of the stress relief hole 223 along the length direction of the connecting plate 220 may also be set to be equal to or less than the length L2 along the width direction of the connecting plate 220, as long as it can effectively relieve stress.
  • multiple stress relief holes 223 may also be provided on the connecting plate 220, such as 2, 3, 4, etc., as long as the stress relief and stiffness requirements of the connecting plate 220 can be met.
  • the support plates 240 may also be provided in three, four or other suitable quantities, as long as they can effectively support the entire pressure block 200.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

本申请涉及用于光伏组件的压块和具有其的光伏组件。所述压块包括：固定板，在所述固定板上开设有安装孔，以便将所述固定板固定在预定安装件上；连接板，所述连接板具有相对的第一端和第二端，所述第一端与所述固定板相连，其中，在所述连接板上开设有应力释放孔；和压紧板，所述压紧板与所述第二端相连，并且所述压紧板配置成当所述固定板固定在所述预定安装件上时可抵靠在所述光伏组件上，以便将所述光伏组件约束在所述压紧板和所述预定安装件之间。本申请压块能够有效释放固定光伏组件的应力，提高光伏组件的安全性和使用寿命。

Description

用于光伏组件的压块和具有其的光伏组件
优先权要求
本申请要求2024年5月28日提交的、发明名称为“用于光伏组件的压块和具有其的光伏组件”的中国专利申请CN202421184939.3的优先权，上述中国专利申请的全部内容通过引用并入本申请中。
技术领域
本申请涉及光伏技术领域，具体地涉及用于光伏组件的压块和具有其的光伏组件。
背景技术
光伏组件是利用光伏效应将太阳能转化为电能的电子设备。它主要包括光伏玻璃、电池片、背板和固定框架等部件组成。光伏组件具有节能环保、安全可靠、可再生和使用寿命长等诸多优点，因此广泛应用于并网发电、交通照明、通讯基站等领域。
目前，在安装光伏组件时，通常采用压块将光伏组件固定在预定安装件(例如屋顶、车棚、户外灯架等)。具体地，压块通过螺钉固定在预定安装件上，并且压块压紧光伏组件，使得光伏组件被限定在压块和预定安装件之间。然而，光伏组件在实际应用过程中会受到风雪等负载作用，使得光伏组件受到的应力容易在压块附近集中，导致光伏玻璃等部件产生裂痕甚至爆裂，极大地降低了光伏组件的安全性和使用寿命。
因此，本领域需要一种新的技术方案来解决上述问题。
申请内容
为了解决或者在一定程度上改善现有技术中光伏组件容易因应力集中而破损的技术问题，本申请提供一种用于光伏组件的压块。所述压块包括：固定板，在所述固定板上开设有安装孔，以便将所述固定板固定在预定安装件上；连接板，所述连接板具有相对的第一端和第二端，所述第一端与所述固定板相连，其中，在所述连接板上开设有应力释放孔；和压紧板，所述压紧板与所述第二端相连，并且所述压紧板配置成当所述固定板固定在所述预定安装件上时可抵靠在所述光伏组件上，以便将所述光伏组件约束在所述压紧板和所述预定安装件之间。
本领域技术人员能够理解的是，本申请压块包括固定板、连接板和压紧板。在固定板上开设有安装孔，以便将固定板固定在预定安装件上。连接板具有相对的第一端和第二端。第一端与固定板相连，而第二端与压紧板相连，以便将固定板和压紧板相连。压紧板配置成当固定板固定在预定安装件上时可抵靠在光伏组件上，以便将光伏组件约束在压紧块和预定安装件上。其中，在连接板上开设有应力释放孔。因此，当光伏组件受到较大负载作用时，固定板和预定安装件连接处的应力能够经固定板传导至连接板，并且在经过应力释放孔之后释放一部分应力，从而相应地减小压紧板在光伏组件上的作用力，防止光伏组件受损，从而提高光伏组件的安全性和使用寿命。
在上述用于光伏组件的压块的优选技术方案中，所述应力释放孔沿着所述连接板的长度方向的长度为L1，并且沿着所述连接板的宽度方向的长度为L2，其中，L1≥L2。通过上述的设置，可以使应力释放孔大致沿连接板的长度方向延伸，即应力释放孔也大致沿压紧板的长度方向延伸。这样，固定板和光伏组件连接处的应力在经过连接板上的应力释放孔时可以有效释放，确保应力具有足够的释放空间，显著降低传导至压紧板上的应力。
在上述用于光伏组件的压块的优选技术方案中，所述安装孔的孔径为D，其中，L2≥D。通过上述的设置，可以使应力释放孔具有适中的宽度，使得应力在应力释放孔处具有足够的释放空间。
在上述用于光伏组件的压块的优选技术方案中，所述连接板沿着所述长度方向的长度为L，其中，1/3L≤L1≤2/3L。通过上述的设置，可以使应力释放孔具有适中的长度，以便在满足应力释放的基础上兼顾连接板的刚性和机械强度。
在上述用于光伏组件的压块的优选技术方案中，所述应力释放孔布置在所述连接板的中部。通过上述的设置，可以使应力能够经连接板更加均匀地传导至压紧板。
在上述用于光伏组件的压块的优选技术方案中，所述应力释放孔沿着所述连接板的竖向中心线对称地布置，以进一步提高应力传导的均匀性。
在上述用于光伏组件的压块的优选技术方案中，所述应力释放孔为腰形孔、三角形孔、弧形孔或者椭圆形孔，以丰富应力释放孔的类型。
在上述用于光伏组件的压块的优选技术方案中，所述固定板具有彼此相对的第一边缘和第二边缘，并且所述连接板从所述第一边缘和/或所述第二边缘垂直地延伸到所述压紧板上。通过上述的设置，可以使压块具有多种结构，以满足光伏组件不同安装位置的固定需要。
在上述用于光伏组件的压块的优选技术方案中，所述压块还包括：支撑板，所述支撑板从所述第一边缘和/或所述第二边缘垂直地朝向远离所述连接板的方向延伸，并且所述支撑板适于抵靠在所述预定安装件上。支撑板的设置，可以进一步提高压块固定光伏组件的可靠性和稳定性。
在上述用于光伏组件的压块的优选技术方案中，所述压紧板为朝向远离所述固定板的方向凸起的弧形板。弧形板的设置，可以使压紧板更加牢固地压紧光伏组件，防止光伏组件从压紧块上滑脱。
在上述用于光伏组件的压块的优选技术方案中，在所述压紧板的适于与所述光伏组件相抵靠的压紧面上形成有防滑凸起。防滑凸起的设置，可以增加压紧板和光伏组件之间的摩擦系数，提高两者连接的可靠性。
为了解决或者在一定程度上改善现有技术中光伏组件容易因应力集中而破损的技术问题，本申请提供一种光伏组件。该光伏组件包括根据上面任一项所述的用于光伏组件的压块。通过采用上面任一项所述的压块，本申请光伏组件能够有效避免应力集中，提高安全性和使用寿命。
附图说明
下面结合附图来描述本申请的优选实施方式，附图中：
图1是本申请光伏组件和预定安装件的实施例的结构示意图；
图2是本申请光伏组件采用压块的第一实施例安装在预定安装件上的结构示意图；
图3是本申请用于光伏组件的压块的第一实施例的结构示意图；
图4是本申请用于光伏组件的压块的第一实施例的正视图；
图5是本申请用于光伏组件的压块的第二实施例的结构示意图；
图6是本申请用于光伏组件的压块的第三实施例的结构示意图；
图7是本申请光伏组件采用压块的第四实施例安装在预定安装件上的结构示意图；
图8是本申请用于光伏组件的压块的第四实施例的结构示意图；
图9是本申请光伏组件采用压块的第五实施例安装在预定安装件上的结构示意图；
图10是本申请用于光伏组件的压块的第五实施例的结构示意图。
附图标记列表：
100、光伏组件；110、光伏玻璃；120、电池片；130、背板；140、固定框；200、压块；210、固定板；211、第一边缘；212、第二边缘；213、安装孔；220、连接板；220a、第一连接板；220b、第二连接板；221、第一端；222、第二端；223、应力释放孔；230、压紧板；230a、第一压紧板；230b、第二压紧板；231、压紧面；240、支撑板；240a、第一支撑板；240b、第二支撑板；241、支撑座；300、紧固件；400、预定安装件。
具体实施方式
下面参照附图来描述本申请的优选实施方式。本领域技术人员应当理解的是，这些实施方式仅仅用于解释本申请的技术原理，并非旨在限制本申请的保护范围。
需要说明的是，在本申请的描述中，术语“上”、“下”、“左”、“右”、“前”、“后”、“内”、“外”等指示的方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，还需要说明的是，在本申请的描述中，除非另有明确的规定和限定，术语“安装”、“设置”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是直接相连，也可以通过中间媒介间接相连，还可以是两个元件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本申请中的具体含义。
为了解决或者在一定程度上改善现有技术中光伏组件容易因应力集中而破损的技术问题，本申请提供一种用于光伏组件100的压块200。压块200包括：固定板210，在固定板210上设有安装孔213，以便将固定板210固定在预定安装件400上；连接板220，连接板220具有相对的第一端221和第二端222，第一端221与固定板210相连，其中，在连接板220上开设有应力释放孔223；和压紧板230，压紧板230与第二端222相连，并且压紧板230配置成当固定板210固定在预定安装件400上时可抵靠在光伏组件100上，以便将光伏组件100约束在压紧板230和预定安装件400之间。
图1是本申请光伏组件和预定安装件的实施例的结构示意图；图2是本申请光伏组件采用压块的第一实施例安装在预定安装件上的结构示意图。如图1和图2所示，在一种或多种实施例中，本申请光伏组件100通过彼此间隔的4个压块200固定在预定安装件400上。具体地，4个压块200分别布置在光伏组件100的两个相对的边缘上。每个压块200可拆卸地固定在预定安装件400上。压块200抵靠在光伏组件100上并向光伏组件100施加合适的压力，使得光伏组件100稳定且牢固地约束在压块200和预定安装件400之间。替代地，压块200也可设置成比4个多或少的其它合适的数量，例如3个、5个等。压块200的布置位置也可根据实际需要进行调整。光伏组件100可采用下面任一实施例所述的压块200进行固定。另外，预定安装件400可以是但不限于屋顶、车棚、户外灯架等。
如图2所示，在一种或多种实施例中，本申请光伏组件100包括光伏玻璃110、电池片120、背板130和固定框140等部件。光伏玻璃110布置在电池片120的迎光面。光伏玻璃110的材质为玻璃并通过特殊的工艺处理，使其具有高透光性和耐候性，以确保电池片120充分利用太阳能。电池片120是光伏组件100的核心部件，可采用硅材料制成，例如单晶硅、多晶硅和非晶硅等。背板130布置在电池片120的背光面。背板130可采用高分子材料或者玻璃材料制成，使其具有良好的耐候性和电绝缘性能，以确保光伏组件100在不同环境条件下的可靠性和安全性。固定框140可将光伏玻璃110、电池片120和背板130固定在一起。固定框140可采用铝合金或者其它合适的材质制成。另外，该光伏组件100还包括但不限于连接线、接线盒和密封胶(图中未示出)等部件，以确保其正常工作。
图3是本申请用于光伏组件的压块的第一实施例的结构示意图。如图2和图3所示，在一种或多种实施例中，本申请压块200为边压块。每个边压块仅与一个对应的光伏组件100相配。压块200可采用合适的金属材质(例如铝合金等)通过机械加工工艺(例如挤压工艺、冲压工艺等)制作而成，使其具有良好的机械性能、耐候性和结构稳定性。
继续参见图3，在一种或多种实施例中，压块200包括固定板210、连接板220、压紧板230和支撑板240。固定板210具有大致长方形的形状。替代地，固定板210也可设置成其它合适的形状，例如正方形等。在组装状态下，固定板210大致沿水平方向延伸。固定板210具有两个相对的边缘，即第一边缘211和第二边缘212。基于图3所示的方位，第一边缘211为固定板210的前侧边缘，而第二边缘212为固定板210的后侧边缘。在一种或多种实施例中，在固定板210上开设有1个安装孔213。安装孔213能够与合适的紧固件300(参见图1和图2)相配，以便方便且牢固地将固定板210固定在预定安装件400。紧固件300可以是但不限于螺栓、螺母、螺钉等。安装孔213可以是圆形孔、腰形孔或者其它合适的形状。安装孔213布置在固定板210的中心位置，以确保固定的可靠性。替代地，安装孔213也可布置在其它合适的位置。替代地，安装孔213也可设置成2个、3个或者其它合适的数量。
继续参见图3，在一种或多种实施例中，连接板220布置在固定板210两个相对边缘中的一个上。具体地，连接板220布置在固定板210的第二边缘212上。替代地，连接板220也可布置在固定板210的第一边缘211上。连接板220沿着固定板210的第二边缘212大致垂直地朝向远离固定板210的方向(基于图3所示的方位，即向上)延伸。连接板220具有相对的第一端221和第二端222。其中，第一端221为连接板220的下端，而第二端222为连接板220的上端。连接板220的第一端221与固定板210相连，并且第二端222与压紧板230相连。连接板220具有大致长方形的形状。替代地，连接板220也可设置成其它合适的形状，例如正方形等。在连接板220上开设有1个应力释放孔223。应力释放孔223可以采用合适的机械加工工艺(例如冲压工艺、钻孔工艺等)制造而成。在组装状态下，紧固件300在安装孔213附近产生的压紧应力将通过固定板210传递到连接板220上，并通过布置在连接板220上的应力释放孔230释放一部分，从而有效防止应力集中在压紧板230上而损坏光伏组件100，确保光伏组件100的安全性和使用寿命。在一种或多种实施例中，应力释放孔223布置在连接板220的中部，可以使紧固件300在安装孔213附近产生的压紧应力经过连接板220更加均匀地传导至压紧板230。进一步地，应力释放孔223沿着连接板220的竖向中心线对称地布置，以更好地提高应力传导的均匀性。
图4是本申请用于光伏组件的压块的第一实施例的正视图。如图3和图4所示，在一种或多种实施例中，应力释放孔223为腰形孔。参见图4，应力释放孔223沿着连接板220的长度方向(基于图4所示的方位，即左右方向)的长度为L1，并且沿着连接板220的宽度方向(基于图4所示的方位，即上下方向)的长度为L2，其中，L1＞L2。通过上述的设置，可以使应力释放孔223大致沿连接板220的长度方向延伸，使得应力从固定板210传导至连接板220上时具有足够的释放空间。在一种或多种实施例中，安装孔213的孔径为D，其中，L2≥D。这样，可以使应力释放孔223具有适中的宽度，以确保应力在应力释放孔223区域具有足够的释放空间，有效降低应力集中。在一种或多种实施例中，连接板220沿着其长度方向的长度为L，其中，1/3L≤L1≤2/3L。这样，可以进一步限定应力释放孔223的尺寸，使其具有适中的长度，以便在满足应力释放的基础上兼顾连接板220的刚性和机械强度。
继续参见图3，在一种或多种实施例中，压紧板230布置在连接板220的远离固定板210的一侧。具体地，基于图3所示的方位，固定板210布置在连接板220的前侧，而压紧板230布置在连接板220的后侧。压紧板230配置成连接板220的第二端222朝向远离固定板210的方向延伸。换言之，压紧板230和固定板210大致沿相反的方向延伸。在组装状态下，压紧板230抵靠在光伏组件100上并向光伏组件100施加合适的压力，使得光伏组件100约束在压紧板230和预定安装件400之间，从而快速且牢固地固定光伏组件100。在一种或多种实施例中，压紧板230为朝向远离固定板210的方向凸起的弧形板。基于图3所示的方位，该弧形板向上凸起。弧形板的设置，可以更加牢固地约束光伏组件100，防止光伏组件100从压紧板230上滑脱。在一种或多种实施例中，在压紧板230的压紧面231(即与光伏组件100相对的表面)上形成有防滑凸起(图中未示出)，以进一步提高压紧板230和光伏组件100之间的摩擦系数，提高两者连接的可靠性。需要指出的是，防滑凸起的具体形状、数量和布置方式可以根据实际需要进行调整。
继续参见图3，在一种或多种实施例中，支撑板240布置在固定板210两个相对边缘中的一个上。具体地，支撑板240布置在固定板210的第一边缘211上。替代地，支撑板240也可布置在固定板210的第二边缘212上。支撑板240配置成从固定板210的第一边缘211大致垂直地朝向远离连接板220的方向延伸。基于图3所示的方位，支撑板240从固定板210的前侧边缘大致垂直地向下延伸。在组装状态下，支撑板240可抵靠在预定安装件400上，以提高压块200、光伏组件100和预定安装件400连接的稳定性。在一种或多种实施例中，在支撑板240的底部设有支撑座241，以增加支撑板240和预定安装件400之间的接触面积，提高支撑效果。
图5是本申请用于光伏组件的压块的第二实施例的结构示意图。如图5所示，在一种或多种实施例中，本申请压块200为由依次相连的支撑板240、固定板210、连接板220和压紧板230构成的边压块。其中，在连接板220上开设有1个应力释放孔223。该应力释放孔223为三角形孔。进一步地，该三角形孔具有等腰三角形或者等边三角形的形状，使其具有规整且对称的形状。进一步地，基于图5所示的方位，三角形孔的底边向上且顶点向下，使得整个应力释放孔223大致沿连接板220的长度方向延伸。需要指出的是，压块200的第二实施例中未提及的部分可以与第一实施例配置相同，在此不再赘述。
图6是本申请用于光伏组件的压块的第三实施例的结构示意图。如图6所示，在一种或多种实施例中，本申请压块200为由依次相连的支撑板240、固定板210、连接板220和压紧板230构成的边压块。其中，在连接板220上开设有1个应力释放孔223。该应力释放孔223为弧形孔。进一步地，弧形孔大致沿连接板220的长度方向延伸。在一种或多种实施例中，弧形孔大致朝向压紧板230的方向(基于图6所示的方位，即向上)拱起。替代地，弧形孔也可设置成大致朝向固定板210的方向(基于图6所示的方位，即向下)拱起。需要指出的是，压块200的第三实施例中未提及的部分可以与第一实施例配置相同，在此不再赘述。
图7是本申请光伏组件采用压块的第四实施例安装在预定安装件上的结构示意图；图8是本申请用于光伏组件的压块的第四实施例的结构示意图。如图7和图8所示，在一种或多种实施例中，本申请压块200为中间压块。每个中间压块200可同时与2个光伏组件100相配，以提高压块200的利用效率和光伏组件100的安装效率。
如图8所示，在一种或多种实施例中，压块200包括固定板210、连接板220和压紧板230。在组装状态下，固定板210大致沿水平方向延伸。在固定板210上开设有可与合适的紧固件300相配的安装孔213，以便将固定板210固定在预定安装件400上。连接板220包括彼此相对的第一连接板220a和第二连接板220b。基于图8所示的方位，第一连接板220a从固定板210的第一边缘211大致垂直地向上延伸，而第二连接板220b从固定板210的第二边缘212大致垂直地向上延伸。在第一连接板220a和第二连接板220b的每一个上均开设有应力释放孔223。优选地，第一连接板220a上的应力释放孔223和第二连接板220b上的应力释放孔223的形状、数量和布置位置是相同的，以提高应力释放的均匀性。第一连接板220a和第二连接板220b的每一个均具有相对的第一端221和第二端222。其中，第一端221与固定板210相连，而第二端222与对应的压紧板230相连。压紧板230包括彼此相对的第一压紧板230a和第二压紧板230b。第一压紧板230a布置在第一连接板220a的第二端222上，而第二压紧板230b布置在第二连接板220b的第二端222上。第一压紧板230a和第二压紧板230b大致朝向彼此相反的方向延伸，以分别与位于压块200两侧的不同的光伏组件100相配。需要指出的是，压块200的第四实施例中未提及的部分可以与第一实施例、第二实施例或者第三实施例配置相同，在此不再赘述。
图9是本申请光伏组件采用压块的第五实施例安装在预定安装件上的结构示意图；图10是本申请用于光伏组件的压块的第五实施例的结构示意图。如图9和图10所示，在一种或多种实施例中，本申请压块200为中间压块。每个中间压块200可同时与2个光伏组件100相配，以提高压块200的利用效率和光伏组件100的安装效率。
如图10所示，在一种或多种实施例中，压块200包括固定板210、连接板220、压紧板230和支撑板240。在组装状态下，固定板210大致沿水平方向延伸。在固定板210上开设有可与合适的紧固件300相配的安装孔213，以便将固定板210固定在预定安装件400上。连接板220包括彼此相对的第一连接板220a和第二连接板220b。基于图10所示的方位，第一连接板220a从固定板210的第一边缘211大致垂直地向上延伸，而第二连接板220b从固定板210的第二边缘212大致垂直地向上延伸。在第一连接板220a和第二连接板220b的每一个上均开设有应力释放孔223。优选地，第一连接板220a上的应力释放孔223和第二连接板220b上的应力释放孔223的形状、数量和布置位置是相同的，以提高应力释放的均匀性。第一连接板220a和第二连接板220b的每一个均具有相对的第一端221和第二端222。其中，第一端221与固定板210相连，而第二端222与对应的压紧板230相连。压紧板230包括彼此相对的第一压紧板230a和第二压紧板230b。第一压紧板230a布置在第一连接板220a的第二端222上，而第二压紧板230b布置在第二连接板220b的第二端222上。第一压紧板230a和第二压紧板230b大致朝向彼此相反的方向延伸，以分别与位于压块200两侧的不同的光伏组件100相配。支撑板240包括彼此相对的第一支撑板240a和第二支撑板240b。第一支撑板240a从固定板210的第一边缘211垂直地朝向远离第一连接板220a的方向(基于图10所示的方位，即向下)延伸。相应地，第二支撑板240b从固定板210的第二边缘212垂直地朝向远离第二连接板220b的方向(基于图10所示的方位，即向下)延伸。在组装状态下，第一支撑板240a和第二支撑板240b均可抵靠在预定安装件400上，以提高光伏组件100安装的稳定性。需要指出的是，压块200的第五实施例中未提及的部分可以与第一实施例、第二实施例或者第三实施例配置相同，在此不再赘述。
在一种或多种替代的实施例中，应力释放孔223也可设置成圆形、正方形或者其它合适的形状。相应地，应力释放孔223沿着连接板220的长度方向的长度L1也可设置成等于或者小于沿着连接板220的宽度方向的长度L2，只要能够有效释放应力即可。
在一种或多种替代的实施例中，在连接板220上也可设置多个应力释放孔223，例如2个、3个、4个等，只要能够满足应力释放和连接板220的刚度要求即可。
在一种或多种替代的实施例中，支撑板240也可设置成3个、4个或者其它合适的数量，只要能够有效支撑整个压块200即可。
至此，已经结合附图所示的优选实施方式描述了本申请的技术方案，但是，本领域技术人员容易理解的是，本申请的保护范围显然不局限于这些具体实施方式。在不偏离本申请的原理的前提下，本领域技术人员可以对相关技术特征作出等同的更改或替换，这些更改或替换之后的技术方案都将落入本申请的保护范围之内。

Claims (12)

  1. 一种用于光伏组件的压块，其特征在于，所述压块包括：
    固定板，在所述固定板上开设有安装孔，以便将所述固定板固定在预定安装件上；
    连接板，所述连接板具有相对的第一端和第二端，所述第一端与所述固定板相连，其中，在所述连接板上开设有应力释放孔；和
    压紧板，所述压紧板与所述第二端相连，并且所述压紧板配置成当所述固定板固定在所述预定安装件上时可抵靠在所述光伏组件上，以便将所述光伏组件约束在所述压紧板和所述预定安装件之间。
  2. 根据权利要求1所述的用于光伏组件的压块，其特征在于，所述应力释放孔沿着所述连接板的长度方向的长度为L1，并且沿着所述连接板的宽度方向的长度为L2，其中，L1≥L2。
  3. 根据权利要求2所述的用于光伏组件的压块，其特征在于，所述安装孔的孔径为D，其中，L2≥D。
  4. 根据权利要求2所述的用于光伏组件的压块，其特征在于，所述连接板沿着所述长度方向的长度为L，其中，1/3L≤L1≤2/3L。
  5. 根据权利要求1-4任一项所述的用于光伏组件的压块，其特征在于，所述应力释放孔布置在所述连接板的中部。
  6. 根据权利要求5所述的用于光伏组件的压块，其特征在于，所述应力释放孔沿着所述连接板的竖向中心线对称地布置。
  7. 根据权利要求5所述的用于光伏组件的压块，其特征在于，所述应力释放孔为腰形孔、三角形孔、弧形孔或者椭圆形孔。
  8. 根据权利要求1所述的用于光伏组件的压块，其特征在于，所述固定板具有彼此相对的第一边缘和第二边缘，并且所述连接板从所述第一边缘和/或所述第二边缘垂直地延伸到所述压紧板上。
  9. 根据权利要求8所述的用于光伏组件的压块，其特征在于，所述压块还包括：
    支撑板，所述支撑板从所述第一边缘和/或所述第二边缘垂直地朝向远离所述连接板的方向延伸，并且所述支撑板适于抵靠在所述预定安装件上。
  10. 根据权利要求1所述的用于光伏组件的压块，其特征在于，所述压紧板为朝向远离所述固定板的方向凸起的弧形板。
  11. 根据权利要求10所述的用于光伏组件的压块，其特征在于，在所述压紧板的适于与所述光伏组件相抵靠的压紧面上形成有防滑凸起。
  12. 一种光伏组件，其特征在于，所述光伏组件包括根据权利要求1-11任一项所述的用于光伏组件的压块。
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