Photovoltaic module

Abstract

The utility model relates to the technical field of solar cells, in particular to a photovoltaic module. The photovoltaic module comprises a laminated piece and a frame arranged on the periphery of the laminated piece in a surrounding mode, the laminated piece comprises back glass and front glass which are sequentially arranged in a stacked mode from bottom to top, and the peripheral edge of the back glass is clamped in the frame; the front glass is embedded in a space defined by the back glass and the frame, and the upper surface of the front glass and the upper surface of the frame are located on the same plane. The photovoltaic module has the following advantages: the periphery of the upper surface of the photovoltaic module is not shielded, so that accumulated water and accumulated dust on the upper surface of the photovoltaic module can be effectively and quickly slipped, the accumulated water and the accumulated dust are reduced, and the loss of light is reduced; large-dip-angle installation is not needed, and the photovoltaic assembly can be located at the optimal installation angle; manual regular cleaning is not needed, and the later maintenance cost is reduced; installation reliability of the assembly is high, and risks of frame separation and plate explosion failure do not exist.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar cell technical field especially relates to a photovoltaic module. BACKGROUND

[0002] As the core component of photovoltaic power generation, the main role of photovoltaic module is to receive light and convert light energy into electric energy. Photovoltaic module includes laminated parts and frame for installing laminated parts. In the existing photovoltaic module, the four peripheral edges of laminated parts are clamped in the frame, so that the upper surface of the frame is higher than the upper surface of laminated parts, which makes the dust on the surface of laminated parts easily gather at the connecting position of the frame and laminated parts. After long-term use, the dust on the surface of glass is blocked by the frame and gathered, which not only blocks the light, but also increases the maintenance cost.

[0003] At present, the methods to solve the problem of water and dust accumulation at the connecting position of the frame and laminated parts are as follows: 1. Install photovoltaic module with large inclination angle. This method can only alleviate the problem, but cannot make the module at the best light angle; 2. Set a drainage channel on the frame. This method needs manual inspection of whether the drainage channel is blocked regularly, which increases the maintenance cost; 3. Remove the A surface of the short side of the frame. This method has the risk of frame detachment when the module is loaded on the back side because the short side of the laminated part is not constrained by the A surface of the frame.

[0004] Therefore, how to avoid water and dust accumulation at the connecting position of the frame and laminated parts of the photovoltaic module is a technical problem that needs to be solved by those skilled in the art. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims to provide a photovoltaic module to solve the technical problem of water and dust accumulation at the connecting position of the frame and laminated parts of the photovoltaic module in the prior art, which increases the light loss rate and the maintenance cost.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A photovoltaic module includes laminated parts and a frame arranged around the periphery of the laminated parts. The laminated parts include back glass and front glass arranged in sequence from bottom to top. Wherein:

[0008] The four peripheral edges of the back glass are clamped in the frame;

[0009] The front glass is embedded in the space surrounded by the back glass and the frame, and the upper surface of the front glass and the upper surface of the frame are located in the same plane;

[0010] The frame includes four frame rods connected head to tail to form a closed loop, and an angle code is connected between any two adjacent frame rods; each frame rod includes an upper clamping plate, a connecting plate, a lower clamping plate, a supporting bottom plate, and two webs, and the upper clamping plate, the connecting plate, and the lower clamping plate are connected head to tail to form a clamping groove;

[0011] The four peripheral edges of the back glass are clamped in the clamping groove, and the back glass and the four upper clamping plates enclose a space for accommodating the front glass;

[0012] The upper surface of the front glass is in the same plane as the upper surface of the upper clamping plate;

[0013] The two webs are spaced apart and connected between the supporting bottom plate and the lower clamping plate, and the two webs, the supporting bottom plate, and the lower clamping plate enclose a cavity;

[0014] Each angle code includes a main body portion in an L-shaped structure and two plug-in portions connected at two ends of the main body portion, respectively, and the plug-in portions are used for being inserted into the cavity; each plug-in portion includes a plurality of plug-in plates, the plug-in plates have opposite fixed ends and free ends, the fixed ends of the plug-in plates are connected to the main body portion, and the free ends of the plug-in plates can be elastically deformed.

[0015] Further, the peripheral surface of the front glass abuts against one side of the upper clamping plate away from the connecting plate.

[0016] Further, the width of the lower clamping plate is greater than the width of the upper clamping plate.

[0017] Further, a plurality of first protrusions are arranged on one side of the plug-in plate in contact with the cavity.

[0018] Further, a plurality of second protrusions capable of being engaged with the first protrusions are arranged on the inner cavity wall of the cavity.

[0019] The utility model discloses beneficial effects:

[0020] The utility model provides a kind of photovoltaic module including laminated piece and the frame of ring being arranged in the peripheral portion of laminated piece, laminated piece includes by lower to upper sequentially laminatedly arranged back glass and front glass, wherein: the four peripheral edges of back glass are clamped in frame;Front glass is embedded in the space surrounded by back glass and frame, and the upper surface of front glass is in the same plane as the upper surface of frame.

[0021] The photovoltaic module provided by the application has the following advantages: the upper surface of the photovoltaic module is flat, the upper surface of the photovoltaic module is not blocked around, water and dust on the upper surface of the photovoltaic module can quickly slide off, the water and dust are reduced, and thus the loss of light is reduced; the water and dust on the upper surface of the photovoltaic module can slide off in any direction, the photovoltaic module does not need to be installed at a large inclination angle, and the photovoltaic module can be at the best installation angle; the water and dust on the upper surface of the photovoltaic module do not need to be cleaned manually periodically, and the maintenance cost in the later period is reduced; the four edges of the back glass are clamped in the frame, the risk of frame separation and panel explosion failure of the back surface of the module under load is avoided, and the installation reliability of the module is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0023] Figure 1 The cross-sectional schematic view of the photovoltaic module provided by the embodiments of the present application is shown in the figure.

[0024] Figure 2 The cross-sectional schematic view of the frame rod provided by the embodiments of the present application is shown in the figure.

[0025] Figure 3 The assembly schematic view of the frame rod and the corner code provided by the embodiments of the present application is shown in the figure.

[0026] Figure 4 The Figure 3 The enlarged view at A is shown in the figure.

[0027] Figure 5 The connection schematic view of the frame rod and the corner code provided by the embodiments of the present application is shown in the figure.

[0028] Icon:

[0029] 1-laminated part; 11-back glass; 12-front glass; 13-gel layer;

[0030] 2-frame; 21-frame rod; 211-upper clamping plate; 212-connection plate; 213-lower clamping plate; 214-clamping groove; 215-supporting bottom plate; 216-web; 217-cavity; 218-second protrusion; 22-corner code; 221-main body part; 222-insertion part; 2221-insertion plate; 2222-first protrusion. DETAILED DESCRIPTION

[0031] The technical solutions of the present utility model will be described clearly and completely below in connection with the embodiments, obviously, the described embodiments are part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the scope of protection of the present utility model.

[0032] It should be noted that, in the description of the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] It should be noted that, in the description of the present utility model, the terms "connection" and "installation" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be directly connected, or connected through an intermediate medium; it can be mechanical connection, or electrical connection. For the ordinary skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.

[0034] The present utility model provides a kind of photovoltaic module, refer to Figure 1 , the photovoltaic module includes laminated part 1 and frame 2 that is arranged around the periphery of laminated part 1, laminated part 1 includes back glass 11 and front glass 12 sequentially stacked from bottom to top, wherein:

[0035] The four peripheral edges of back glass 11 are clamped in frame 2;

[0036] Front glass 12 is embedded in the space surrounded by back glass 11 and frame 2, and the upper surface of front glass 12 is located in the same plane as the upper surface of frame 2.

[0037] The photovoltaic module provided in the present application has the following advantages:

[0038] 1, the upper surface of front glass 12 is located in the same plane as the upper surface of frame 2, so that the upper surface of the photovoltaic module is a plane, and the upper surface of the photovoltaic module is not blocked around, which can effectively make the accumulated water and dust on the upper surface of the photovoltaic module quickly slide off, reduce the accumulation of water and dust, and thus reduce the loss of light;

[0039] 2. Since the upper surface of the photovoltaic module is flat, water and dust on the upper surface of the photovoltaic module can slide off in any direction, eliminating the need for large tilt angle installation and allowing the photovoltaic module to be installed at the optimal angle.

[0040] 3. No need for regular manual cleaning of water and dust accumulation on the surface of photovoltaic modules, reducing later maintenance costs;

[0041] 4. The four edges of the back glass 11 are secured within the frame 2, which avoids the risk of the module detaching from the frame or bursting when the back of the module is under load, thus improving the installation reliability of the module.

[0042] Continue to refer to Figure 1 The laminate 1 also includes a solar cell located between the back glass 11 and the front glass 12. The back glass 11, the solar cell, and the front glass 12 are bonded together as a whole by an adhesive layer 13. The composition and structure of the laminate 1 are prior art and will not be described in detail here.

[0043] Reference Figure 1 and Figure 2 The frame 2 includes four frame rods 21 connected end to end to form a closed loop. Each frame rod 21 includes an upper plate 211, a connecting plate 212 and a lower plate 213. The upper plate 211, the connecting plate 212 and the lower plate 213 are connected end to end to form a slot 214.

[0044] The four edges of the back glass 11 are fitted into the slot 214, and the back glass 11 and the four upper plates 211 form a space for accommodating the front glass 12.

[0045] The upper surface of the positive glass 12 and the upper surface of the upper plate 211 are located on the same plane.

[0046] In the above structure, the cross-sectional area of ​​the back glass 11 is larger than that of the front glass 12. The front glass 12 is located in the central area of ​​the back glass 11, forming a stepped structure around the perimeters of the back glass 11 and the front glass 12. The slot 214 covers this stepped structure, firmly fixing the laminate 1 to the frame 2, thereby improving the installation reliability of the photovoltaic module. The slot 214 is filled with silicone, which is used to adhere and fix the perimeters of the back glass 11 to the slot 214. The front glass 12 is placed in the space enclosed by the back glass 11 and the four upper plates 211. The upper surface of the front glass 12 is on the same plane as the upper surface of the upper plates 211, so that the upper surface of the photovoltaic module is not obstructed, and water and dust accumulated on the upper surface can slide off in any direction.

[0047] It should be noted that the laminate 1 is typically a rectangular structure, comprising two opposing long sides and two opposing short sides. Correspondingly, the four frame rods 21 comprise two long frame rods and two short frame rods, which are alternately connected to form a rectangular structure that conforms to the shape of the laminate 1.

[0048] On the basis of the above structure, the peripheral surface of the front glass 12 abuts against one side of the upper clamping plate 211 away from the connecting plate 212. There is no gap between the front glass 12 and the upper clamping plate 211, eliminating the possibility of water and dust accumulation at the connecting position of the laminated glass 1 and the frame 2. A layer of glue can be arranged between the front glass 12 and the upper clamping plate 211 to make them adhere more closely.

[0049] With reference to the above Figure 2 , the width of the lower clamping plate 213 is greater than that of the upper clamping plate 211. This arrangement can increase the contact area between the back glass 11 and the lower clamping plate 213, improving the load bearing capacity of the frame 2 on the laminated glass 1; at the same time, the area of the front glass 12 is increased as much as possible to increase the light transmission area of the photovoltaic module.

[0050] With reference to the above Figure 2 , each frame rod 21 further comprises a support bottom plate 215 and two web plates 216, which are arranged in a spaced manner and connected between the support bottom plate 215 and the lower clamping plate 213, and the two web plates 216, the support bottom plate 215 and the lower clamping plate 213 form a cavity 217. The arrangement of the cavity 217 improves the load bearing capacity of the frame 2, further ensuring the installation reliability of the photovoltaic module.

[0051] With reference to the above Figure 3 , the frame 2 further comprises four corner codes 22, and one corner code 22 is connected between any two adjacent frame rods 21. The frame rods 21 and the corner codes 22 are alternately connected to form a whole frame 2.

[0052] Specifically, each corner code 22 comprises a main body part 221 in L-shaped structure and two plug-in parts 222 connected at both ends of the main body part 221, and the plug-in parts 222 are used for being inserted into the cavity 217. Each plug-in part 222 comprises a plurality of plug-in plates 2221, and a plurality of first protrusions 2222 are arranged on the side of each plug-in plate 2221 in contact with the cavity 217.

[0053] In this embodiment, each plug-in part 222 comprises two oppositely arranged plug-in plates 2221, and a plurality of first protrusions 2222 are arranged on the side of each plug-in plate 2221 in contact with the cavity 217. When the plug-in plate 2221 is inserted into the cavity 217, the first protrusions 2222 on the plug-in plate 2221 can increase the friction between the plug-in plate 2221 and the cavity 217, improving the connection strength between the frame rod 21 and the corner code 22.

[0054] With reference to the above Figure 4 and Figure 5The inner cavity wall of the cavity 217 is provided with a plurality of second protrusions 218 capable of engaging and connecting with the first protrusions 2222. In the embodiment, the inner side of the two ends of each web 216 in the frame rod 21 is respectively provided with a plurality of second protrusions 218. Through the engagement of the first protrusions 2222 and the second protrusions 218, the connection strength between the frame rod 21 and the corner code 22 is further improved.

[0055] Specifically, the insertion plate 2221 has a fixed end and a free end arranged oppositely, the fixed end of the insertion plate 2221 is connected to the main body 221, and the free end of the insertion plate 2221 can be elastically deformed. From the fixed end to the free end of the insertion plate 2221, a plurality of first protrusions 2222 are arranged in sequence.

[0056] With the above structure, during the process of inserting the insertion part 222 into the cavity 217, the free end of the insertion plate 2221 can be elastically deformed, so that the insertion plate 2221 is smoothly inserted into the cavity 217, and the first protrusions 2222 and the second protrusions 218 can be smoothly engaged. In addition, since the insertion plate 2221 can be deformed by a small amount relative to the main body 221, the frame rod 21 and the corner code 22 have a small amount of relative movement, so that each frame rod 21 can be pressed inward, which is beneficial to make each frame rod 21 tightly fit the peripheral surface of the positive glass 12, and ensures that there is no gap between the positive glass 12 and the upper clamping plate 211.

[0057] In order to further improve the connection strength of the frame rod 21 and the corner code 22, bolts can be used for reinforcement after the insertion is completed.

[0058] In the embodiment, the cross-sectional shape of the main body 221 of the corner code 22 is the same as that of the frame rod 21 (as shown in Figure 2 , which will not be described here.

[0059] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A photovoltaic module, comprising a laminate (1) and a frame (2) circumferentially disposed around the laminate (1), characterized in that, The laminate (1) includes a back glass (11) and a front glass (12) stacked sequentially from bottom to top, wherein: The four periphery of the back glass (11) is fitted inside the frame (2); The front glass (12) is embedded in the space enclosed by the back glass (11) and the frame (2), and the upper surface of the front glass (12) and the upper surface of the frame (2) are located on the same plane; The frame (2) includes four frame rods (21) that are connected end to end and form a closed loop. A corner bracket (22) is connected between any two adjacent frame rods (21). Each frame rod (21) includes an upper plate (211), a connecting plate (212), a lower plate (213), a supporting base plate (215), and two web plates (216). The upper plate (211), the connecting plate (212), and the lower plate (213) are connected end to end to form a slot (214). The four periphery of the back glass (11) is fitted into the slot (214), and the back glass (11) and the four upper slots (211) form a space for accommodating the front glass (12); The upper surface of the positive glass (12) and the upper surface of the upper card plate (211) are located on the same plane; The two web plates (216) are spaced apart and connected between the supporting base plate (215) and the lower clamping plate (213). The two web plates (216), the supporting base plate (215) and the lower clamping plate (213) form a cavity (217). Each of the corner brackets (22) includes an L-shaped main body (221) and two plug-in parts (222) respectively connected to both ends of the main body (221). The plug-in parts (222) are used to be inserted into the cavity (217). Each plug-in part (222) includes a plurality of plug-in plates (2221). The plug-in plates (2221) have fixed ends and free ends arranged opposite to each other. The fixed ends of the plug-in plates (2221) are connected to the main body (221), and the free ends of the plug-in plates (2221) can undergo elastic deformation.

2. The photovoltaic module according to claim 1, characterized in that, The periphery of the positive glass (12) abuts against the side of the upper plate (211) away from the connecting plate (212).

3. The photovoltaic module according to claim 1, characterized in that, The width of the lower card plate (213) is greater than the width of the upper card plate (211).

4. The photovoltaic module according to claim 1, characterized in that, The plug plate (2221) has a plurality of first protrusions (2222) on the side that contacts the cavity (217).

5. The photovoltaic module according to claim 4, characterized in that, The inner wall of the cavity (217) is provided with a plurality of second protrusions (218) that can engage with the first protrusion (2222).

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