CN218162257U - Connecting device and photovoltaic system - Google Patents

Abstract

The utility model discloses a connecting device and photovoltaic system relates to solar cell technical field, and connecting device fastens on the rope, promotes the steadiness of photovoltaic module setting on the rope. The connecting device comprises a pressing plate, wherein one side of the pressing plate is provided with a first through groove, and the first through groove is used for accommodating a rope. The span size of the notch of the first groove is matched with the diameter of the rope, and the span size of each depth position of the first groove far away from the notch is smaller than the chord length of the part of the rope correspondingly contacted with each depth position, so that the inner wall of the first groove extrudes the outer surface of the rope. The photovoltaic system comprises a plurality of photovoltaic modules, ropes, supports and the connecting device, wherein two adjacent photovoltaic modules are connected through the connecting device. The rope passes connecting device's accommodation space, and the rope is located photovoltaic module's plane of being shaded, and the both ends of rope set up in the support.

Description

Connecting device and photovoltaic system

Technical Field

The utility model relates to a solar cell technical field especially relates to a connecting device and photovoltaic system.

Background

With the rapid development of society and industry, the demand for energy is getting bigger and bigger, and in order to effectively solve energy shortage and reduce the problem of environmental pollution, solar energy is regarded as green clean energy, and the photovoltaic industry is getting stronger day by day.

When installing photovoltaic module on flexible support, photovoltaic module takes place the pine easily and takes off and be connected unstable phenomenon between the rope, causes photovoltaic module to move on the rope, strikes adjacent photovoltaic module, causes photovoltaic module to damage, shortens photovoltaic module's life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connecting device and photovoltaic system to make connecting device fasten on the rope, promote the steadiness of photovoltaic module setting on the rope.

In order to achieve the above object, in a first aspect, the present invention provides a connecting device, including a pressing plate, one side of the pressing plate has a first groove penetrating therethrough, and the first groove is used for accommodating a rope. The span size of the notch of the first groove is matched with the diameter of the rope, and the span size of each depth position of the first groove far away from the notch is smaller than the chord length of the part of the rope correspondingly contacted with each depth position, so that the inner wall of the first groove extrudes the outer surface of the rope.

When the technical scheme is adopted, the utility model provides a connecting device includes that one side has the clamp plate of the first recess that link up, and first recess is used for holding the rope, and the rope passes from first recess for the clamp plate is through first groove cover on the rope. The slot of the first groove has a span dimension matched to the diameter of the cord such that the outer surface of the cord can contact the inner wall of the first groove. The span size of each depth position of the first groove far away from the notch is smaller than the chord length of the part of the rope correspondingly contacted with each depth position, so that after the rope is embedded into the first groove, the outer surface of the rope is contacted with the inner wall of the first groove, and the inner wall of the first groove extrudes the outer surface of the rope. So that the outer surface of the rope is brought into close contact with the inner wall of the first groove, so that the pressing plate is tightly disposed on the rope. When the utility model provides a when connecting device connects photovoltaic module, photovoltaic module passes through the connecting device fastening on the rope, is favorable to promoting the steadiness that photovoltaic module set up on the rope, avoids photovoltaic module to take place the pine to take off and connect unstable phenomenon on the rope, avoids photovoltaic module to move on the rope to strike adjacent photovoltaic module as for, cause photovoltaic module to damage, shorten photovoltaic module's life's phenomenon.

In one possible implementation, the absolute value of the size difference between the span dimension of each depth position of the first groove and the chord length of the portion of the cord corresponding to each depth position increases in the direction from the notch of the first groove to the groove bottom.

When the technical scheme is adopted, before the rope is installed in the first groove of the pressing plate, the absolute value of the size difference between the span size of each depth position of the first groove and the chord length of the part of the rope corresponding to each depth position increases gradually along the direction from the notch of the first groove to the groove bottom. In other words, along the direction from the groove opening to the groove bottom of the first groove, the span size of each depth position of the first groove is smaller and smaller compared with the chord length of the part of the rope corresponding to each depth position. So, after installing the rope in the first recess of clamp plate, be close to the direction of tank bottom more, first recess is stronger to the extrusion effort of rope, has increased the frictional force between clamp plate and the rope, has promoted the steadiness of being connected between rope and the clamp plate.

In a possible implementation manner, the groove bottom of the first groove is non-circular-arc-shaped and is not matched with the shape of the rope, so that the fixation of the rope by the first groove can be enhanced, and the sliding of the rope in the first groove is reduced.

In a possible implementation manner, the bottom of the first groove is a triangular groove or a trapezoidal groove.

In a possible implementation manner, the connecting device further comprises an elastic pad, the elastic pad is used for being tightly matched with the pressing plate, one side of the elastic pad, facing the pressing plate, is provided with a through second groove, and the first groove and the second groove enclose a containing space for penetrating and pressing the rope.

When the technical scheme is adopted, the connecting device further comprises an elastic pad which is tightly matched with the pressing plate, one side, facing the pressing plate, of the elastic pad is provided with a through second groove, and the first groove and the second groove are enclosed to form an accommodating space for penetrating and pressing the rope. Therefore, the first groove and the second groove are arranged in opposite directions, the inner wall of the first groove and the inner wall of the second groove form an accommodating space in a surrounding mode, when a rope passes through the accommodating space, the rope is tightly pressed by the inner wall of the first groove and the inner wall of the second groove, the surface of the rope is in close contact with the inner wall of the first groove and the inner wall of the second groove, and the rope, the pressing plate and the elastic cushion are arranged in a fastening mode. Through the elastic force between cushion, rope, the clamp plate for on the one hand, produce elastic damping between cushion and the rope, increase the frictional force between rope and the cushion, promote the utility model provides a be connected the fastening nature between connecting device and the rope. On the other hand, because the cushion can produce elastic deformation, when the clamp plate compresses tightly the rope in the cushion, the cushion produces deformation and gives rope reaction force, not only makes a side surface and the clamp plate in close contact with of rope near first recess bottom, moreover, can fill the clearance between clamp plate and the rope both sides after the cushion warp, thereby increases the area of contact between cushion and the rope, further promotes the utility model provides a fastening connection's reliability between connecting device and the rope for connecting device fastens on the rope. In addition, the elastic pad enables a distance to be reserved between the rope and the photovoltaic module, and the rope is prevented from being in direct contact with the photovoltaic module, so that abrasion to the photovoltaic module is avoided.

In one possible implementation, the elastic pad includes an elongated portion, and one side of the elongated portion has a second groove penetrating in a longitudinal direction of the elongated portion.

When the technical scheme is adopted, the elastic pad comprises the long strip part, and the second groove is arranged along the length direction of the long strip part, so that the contact length between the elastic pad and the rope is increased, namely, the contact area between the elastic pad and the rope is increased, the elastic pad can be in elastic contact with the whole rope penetrating through the pressing plate part, meanwhile, the material use of the elastic pad can be reduced, and the cost is reduced.

In one possible implementation, the elastic pad further includes a wing portion provided on a side of the long portion away from the second groove, the wing portion extending outward of both sides of the long portion in a width direction of the long portion.

When adopting above-mentioned technical scheme, the cushion is still including setting up in the pterygoid lamina portion of keeping away from second recess one side of rectangular portion, and pterygoid lamina portion extends to the both sides outside of rectangular portion along the width direction of rectangular portion, works as the utility model provides a when connecting device connects photovoltaic module, the pterygoid lamina position is between clamp plate and photovoltaic module for the lifting surface area that the cushion received increases, is favorable to strengthening the steadiness of cushion between clamp plate and photovoltaic module. Simultaneously, the setting of flap portion is convenient for operating personnel and is handheld and the installation, promotes the installation effectiveness. In addition, the wing plate part is located between the pressing plate and the frame of the photovoltaic assembly, and the wing plate part isolates the photovoltaic assembly from the pressing plate, so that the photovoltaic assembly is prevented from being damaged by the pressing plate.

In a possible implementation manner, the middle part of the elastic pad is provided with a through hole, and the through hole penetrates through the elastic pad along the thickness direction.

When the technical scheme is adopted, the through hole is formed in the middle of the elastic cushion and runs through in the thickness direction of the elastic cushion, so that the use of materials of the elastic cushion is reduced, the resource investment is saved, in addition, the weight of the elastic cushion is reduced, and the load of a rope is reduced.

In a possible implementation manner, the elastic cushion further comprises fixing portions arranged at two ends of the long strip portion, the fixing portions extend along the width direction of the long strip portion, and the long strip portion and the fixing portions form an i-shaped structure.

When the technical scheme is adopted, when the rope is tightly pressed on the elastic pad through the pressing plate, the fixing parts at the two ends of the long strip part included by the elastic pad are positioned outside the two ends of the pressing plate, and the pressing plate is clamped between the fixing parts, so that the connection firmness between the elastic pad and the pressing plate is enhanced.

In a possible implementation manner, the elastic pad further comprises a protruding portion arranged on a side of the long strip portion away from the second groove, and the protruding portion protrudes out of the fixing portion along the thickness direction of the long strip portion.

When the technical scheme is adopted, the side, away from the second groove, of the long strip part is provided with the protruding part, and the protruding part protrudes out of the fixing part along the thickness direction of the long strip part. Therefore, in using the utility model provides a connecting device connects photovoltaic module, when compressing tightly rope and cushion on photovoltaic module through the clamp plate, under the condition of the deflection of increase cushion, not only make the frictional force reinforcing of cushion and photovoltaic module, enlarged the area of contact of cushion and photovoltaic module moreover, promoted the steadiness of cushion. Moreover, under the condition that the deformation amount of the elastic pad is increased, one part of the fixing part is located at one end of the pressing plate, and the other part of the fixing part is located at one end of the photovoltaic module contacted with the pressing plate, so that the photovoltaic module is effectively prevented from sliding relative to the pressing plate.

In a possible implementation manner, the connecting device further comprises a base plate, the base plate is arranged on one side of the elastic pad far away from the second groove, and the pressing plate, the elastic pad and the base plate are in fastening fit through fasteners.

In a possible implementation manner, at least three first mounting holes matched with the fasteners are formed in the pressing plate, the first mounting holes are located on two sides of the first groove, and second mounting holes corresponding to the first mounting holes are formed in the backing plate.

When the technical scheme is adopted, at least three first mounting holes matched with the fasteners are formed in the pressing plate, the first mounting holes are located on two sides of the first groove, the uniformity of acting force between the pressing plate and the backing plate is favorably improved, and the stability of connection between the pressing plate and the backing plate is improved. The backing plate is provided with a second mounting hole corresponding to the first mounting hole, so that the fastener can penetrate through the backing plate conveniently during connection.

In a second aspect, the present invention further provides a photovoltaic system including a plurality of photovoltaic modules, a rope, a support, and a connecting device as described in the first aspect or any possible implementation manner of the first aspect, wherein two adjacent photovoltaic modules are connected by the connecting device. The rope passes connecting device's accommodation space, and the rope is located photovoltaic module's shady face, and the both ends of rope set up in the support.

When the technical scheme is adopted, the rope penetrates through the accommodating space of the connecting device, so that the connecting device is connected in series, two adjacent photovoltaic assemblies are connected through the connecting device, and the photovoltaic assemblies are connected to the rope through the connecting device. The both ends of rope set up in the support, and the rope is located photovoltaic module's shady face, and the rope is used for connecting photovoltaic module when to play the effect of supporting photovoltaic module.

In addition, the beneficial effects of the photovoltaic system provided by the second aspect are the same as those of the connection device described in the first aspect or any possible implementation manner of the first aspect, and are not described herein again.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a partial schematic view of a photovoltaic module according to an embodiment of the present invention;

fig. 2 is a schematic view of a position relationship between the rope and the connecting device when the photovoltaic module provided by the embodiment of the present invention is in a light-facing surface;

fig. 3 is a schematic view of a position relationship between the photovoltaic module and the rope and the connecting device when the photovoltaic module is located on the backlight surface;

FIG. 4 is an enlarged view of the point A in FIG. 2;

fig. 5 is a schematic view of a position relationship between adjacent photovoltaic modules, connecting devices and ropes when the photovoltaic modules provided by the embodiment of the present invention are located on a backlight surface;

fig. 6 is a schematic side view of a connection device according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an exemplary pressing plate according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of another exemplary pressing plate provided in an embodiment of the present invention;

FIG. 9 is a schematic view showing the structure of an elastic pad in example 1;

FIG. 10 is a schematic view showing the structure of an elastic cushion in example 2;

FIG. 11 is a schematic view showing the structure of an elastic pad in example 3;

fig. 12 is a schematic structural view of the elastic pad in example 4 and example 5;

fig. 13 is a schematic structural diagram of a backing plate according to an embodiment of the present invention.

Reference numerals:

1-a pressing plate, 11-a first groove, 12-a first mounting hole, 2-an elastic pad,

21-second recess, 22-wing portion, 221-fourth mounting hole, 23-through hole, 24-fixing portion, 25-boss, 26-elongated portion, 3-pad, 31-second mounting hole, 4-rope,

5-photovoltaic module, 51-third mounting hole, 6-fastener.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Referring to fig. 2 to 12, an embodiment of the present invention provides a connecting device, which includes a pressing plate 1, wherein one side of the pressing plate 1 has a through first groove 11, and the first groove 11 is used for accommodating a rope 4. The span dimension of the notch of the first groove 11 is matched with the diameter of the rope 4, and the span dimension of each depth position of the first groove 11 far away from the notch is smaller than the chord length of the part of the rope 4 correspondingly contacted with each depth position, so that the inner wall of the first groove 11 extrudes the outer surface of the rope. Wherein, the span size refers to the distance between two parallel lines formed by the intersection of a certain depth plane in the first groove and the inner wall of the first groove.

Adopt above-mentioned technical scheme under the circumstances, the embodiment of the utility model provides a connecting device includes that one side has the clamp plate 1 of the first recess 11 that link up, and first recess 11 is used for holding the rope, and rope 4 passes from first recess 11 for clamp plate 1 is through first recess 11 gland on rope 4. The slot of the first groove 11 has a span dimension matching the diameter of the cord 4, i.e. a dimension comparable to that enabling the outer surface of the cord 4 to be in contact with the inner wall of the first groove 11. The span dimension of each depth position of the first groove 11 far away from the notch is smaller than the chord length of the part of the rope 4 correspondingly contacted with each depth position, so that the inner wall of the first groove 11 presses the outer surface of the rope 4. So that the outer surface of the rope 4 is brought into close contact with the inner wall of the first groove 11, so that the pressing plate 1 is tightly disposed on the rope 4. When the utility model provides a when connecting device connects photovoltaic module, photovoltaic module passes through connecting device fastening on rope 4, is favorable to promoting the steadiness that photovoltaic module 5 set up on rope 4, avoids photovoltaic module 5 to take place the pine to take off and connect unstable phenomenon on rope 4, avoids photovoltaic module 5 to remove on rope 4 to strike adjacent photovoltaic module 5, cause photovoltaic module to damage, shorten photovoltaic module's life's phenomenon.

In one possible implementation, the absolute value of the size difference between the dimension of the span of each depth position of the first groove 11 and the chord length of the portion of the rope corresponding to each depth position increases along the direction from the notch of the first groove 11 to the groove bottom. In other words, before the rope 4 is installed in the first groove 11 of the platen 1, the span dimension of each depth position of the first groove 11 is smaller than the chord length of the portion of the rope 4 corresponding to each depth position along the direction from the notch of the first groove 11 to the groove bottom. So, along the direction of the notch of first recess 11 to the tank bottom, the direction that is close to the tank bottom more, first recess 11 is stronger to the extrusion effort of rope 4, has increased the frictional force between clamp plate 1 and the rope 4, has promoted the fastness of being connected between rope 4 and the clamp plate 1.

In an alternative, the bottom of the first groove 11 is non-circular. It will be appreciated that the non-circular arc does not match the profile of the rope, leaving room for the rope to be able to be pressed further down to the bottom of the first groove when installed, i.e. in order to securely locate the rope in the first groove, the operator is required to use a greater force to move the rope 4 towards the bottom of the first groove 11. So, strengthened the squeezing action between rope 4 and the clamp plate 1 for the frictional force increase between clamp plate and the rope promotes the fastness of being connected between rope and the clamp plate.

The bottom of the first groove is exemplarily a triangular groove, a trapezoidal groove, or the like, but is not limited thereto.

In some embodiments, the present invention provides a connection device further comprising an elastic pad 2. Wherein, one side of the pressure plate 1 is provided with a first through groove 11. The elastic pad 2 is used for being tightly matched with the pressing plate 1, one side, facing the pressing plate 1, of the elastic pad 2 is provided with a through second groove 21, and the first groove 11 and the second groove 21 enclose a containing space for penetrating and pressing the rope 4.

Adopt above-mentioned technical scheme under the circumstances, the embodiment of the utility model provides a connecting device still include with 1 fastening complex cushion 2 of clamp plate, and cushion 2 has the second recess 21 that link up towards one side of clamp plate 1, and first recess 11 encloses into the accommodation space who is used for passing and compresses tightly rope 4 with second recess 21. It is thus shown that the first recess 11 and the second recess 21 are disposed opposite to each other, and a receiving space is defined between the inner wall of the first recess 11 and the inner wall of the second recess 21, and the rope 4 passes through the receiving space and is pressed by the inner wall of the first recess 11 and the inner wall of the second recess 21. The surface of rope 4 and the inner wall of first recess 11 and the inner wall in close contact with of second recess 21, rope 4 is compressed tightly in accommodation space promptly, all has elastic force between rope 4 and clamp plate 1 and the cushion 2, on the one hand for produce elastic damping between cushion 2 and the rope 4, increase the frictional force between rope 4 and the cushion 2, promote the embodiment of the utility model provides a be connected the fastening nature between connecting device and the rope 4. On the other hand, because elastic deformation can be produced to cushion 2, when clamp plate 1 compresses tightly the rope in cushion 2, cushion 2 produces and deforms and gives rope 4 reaction force, not only makes rope 4 be close to one side and clamp plate 1 in close contact with of first recess 11 bottom, moreover, can fill the clearance between clamp plate 1 and the rope 4 both sides after cushion 2 warp, thereby increase the area of contact between cushion 2 and the rope 4, further promote the utility model discloses the reliability of fastening connection between connecting device and the rope 4 that the embodiment provides makes and produces enough big frictional force between rope 4 and clamp plate 1 and cushion 2, is enough to guarantee that rope 4 is in quiescent condition for clamp plate 1 and cushion 2 to avoid clamp plate 1 and cushion 2 to slide for rope 4, makes rope 4, clamp plate 1 and cushion 2 fastening set up, thereby makes the connecting device that the embodiment provides fasten on rope 4. In addition, cushion 2 has elasticity, and when rope 4 vibrations, cushion 2 has the effect of buffering vibrations to can weaken take place not hard up phenomenon between rope 4 and the connecting device, further promote the embodiment of the utility model provides a fastening connection's between connecting device and the rope 4 reliability.

In specific implementation, the objects which are dispersedly placed, are not easy to connect only by using the rope 4 or are easy to damage by using the rope 4 can be connected in series by the rope 4 in a mode of being connected with the pressing plate 1. For example, the connection device provided by the embodiment of the present invention can be used for connecting the photovoltaic module 5. In practice, first, the rope 4 is passed through the first groove 11, and then the elastic pad 2 is placed on the rope 4 with the second groove 21 of the elastic pad 2 placed toward the first groove 11. Then, the rope 4 and the elastic pad 2 are pressed on the frame of the photovoltaic module 5 through the pressing plate 1. The frames of two adjacent photovoltaic modules 5 are respectively connected to two ends of the pressing plate 1, so that the photovoltaic modules 5 are fixedly installed on the rope 4. So, be favorable to promoting photovoltaic module 5 and set up the steadiness on rope 4, avoid photovoltaic module 5 to take place the pine to take off and connect unstable phenomenon on rope 4, avoid photovoltaic module 5 to remove on rope 4 to strike adjacent photovoltaic module 5 as far as, cause photovoltaic module 5 to damage, shorten photovoltaic module 5's life's phenomenon.

Moreover, use rope 4 to connect the embodiment of the utility model provides a connecting device, and then when concatenating the photovoltaic module fastening, the setting of cushion 2 makes and has the interval between rope 4 and the photovoltaic module 5, avoids rope 4 and the 5 direct contact of photovoltaic module, causes the wearing and tearing to photovoltaic module 5.

Alternatively, the platen 1 may have an Ω -shaped structure as shown in fig. 7 or 8. The pressing plate 1 is provided with a body provided with a first groove 11, and also provided with connecting parts symmetrically arranged on two sides of the body, so that the pressing plate 1 can be conveniently installed and connected. As shown in fig. 7, the exterior of the body of the platen 1 is in the form of a right-angled edge. As shown in fig. 8, the outer portion of the pressing plate 1 body is of an arc surface structure, and in this case, the pressing plate 1 can be formed by bending a plate-shaped structure, which is not only convenient for the processing and forming of the pressing plate 1, but also shortens the processing period of the pressing plate 1, saves the blank of the pressing plate 1, and further saves the cost.

As a possible realization, the elastic pad 2 is a rubber pad and the cord 4 is a flexible cord. It is understood that rubber is an elastic polymeric material having reversible deformation. When rope 4 passes and compresses tightly in accommodation space, there is interact's pressure between rope 4 and clamp plate 1 and the cushion 2, under the condition that cushion 2 is the rubber pad, on the one hand for produce elastic damping between rubber pad and the rope 4, increase the frictional force between rope 4 and the rubber pad, promote the embodiment of the utility model provides a connecting device and the rope 4 between be connected the fastening nature. On the other hand, because the rubber pad can produce deformation, when clamp plate 1 compresses tightly rope 4 in the rubber pad, the rubber pad produces deformation and gives rope 4 reaction force, not only makes rope 4 be close to the one side of first recess 11 bottom and clamp plate 1 in close contact with, moreover, can fill the clearance between clamp plate 1 and the rope 4 both sides after the rubber pad warp to increase the area of contact between rubber pad and the rope 4. In addition, rubber can increase the elasticity vibration isolation effect, has the effect of buffering vibrations to can eliminate and take place not hard up phenomenon between rope and the connecting device, further promote the utility model discloses fastening connection's between connecting device and the rope 4 reliability that the embodiment provided.

In addition, the rubber pad has elasticity, can absorb vibrations, and damping performance is good. The damage to the rope 4 and the pressing plate 1 caused by vibration is reduced, and the service life of the rope 4 and the pressing plate 1 is prolonged.

As shown in fig. 6 to 12, in some embodiments, the second groove 21 may be an arc-shaped groove, and the first groove 11 and the second groove 21 are disposed opposite to each other, so that the shape of the accommodating space defined by the first groove 11 and the second groove 21 is a shape matching with the structure of the rope 4, which can increase the contact area between the first groove 11 and the second groove 21 and the rope 4, and is beneficial to fixing the rope 4 in the accommodating space. The radius of the second groove 21 is smaller than that of the rope 4 so as not to have a gap between the rope 4 and the pressing plate 1 and the elastic pad 2, which makes it impossible to fasten the rope 4 between the pressing plate 1 and the elastic pad 2.

Of course, the shape of the second groove 21 may be similar to the shape of the first groove 11 described in any of the above embodiments, i.e., the span dimension of each depth position of the second groove 21 away from the notch is smaller than the chord length of the portion of the cord 4 in corresponding contact with each depth position. Illustratively, the groove bottom of the second groove 21 is non-circular arc, and may be triangular, trapezoidal, polygonal, etc., and the polygon may be pentagonal, decagonal, etc.

In practical applications, the inner walls of the first groove 11 and the second groove 21 may be formed as gullies, i.e., uneven walls, to increase the friction force between the rope 4 and the pressing plate 1 and the elastic pad 2, thereby enhancing the reliability of the tight connection between the rope 4 and the pressing plate 1 and the elastic pad 2.

The embodiment of the utility model provides a cushion 2 has the second recess 21 that link up towards one side of clamp plate 1, and the one side that second recess 21 was kept away from to cushion 2 is continuous plane or is interrupted the plane, and the concrete structure here of cushion 2 does not do specifically and restricts. The following five examples are listed for the elastic pad 2 provided by the embodiment of the present invention, and of course, the examples are only illustrative and not limited to the specific examples.

In example 1, as shown in fig. 9, the elastic pad 2 includes an elongated portion 26, and one side of the elongated portion 26 has a second groove 21 penetrating in the longitudinal direction of the elongated portion 26.

Under the condition of adopting above-mentioned technical scheme, cushion 2 includes rectangular portion 26, and second recess 21 sets up along rectangular portion 26's length direction, rope 4 and the inner wall in close contact with of second recess 21 to increase the contact length between cushion 2 and the rope 4, increased the area of contact between cushion 2 and the rope 4 promptly, cushion 2 and the rope 4 elastic contact who is located the first recess of clamp plate 1, reinforcing elastic vibration isolation's effect, can reduce the material use of cushion simultaneously, reduce cost.

Example 2, as shown in fig. 10, the elastic pad 2 includes a long portion and the wing portions 22 provided on the long portion 26 on the side away from the second groove 21, the wing portions 22 extend outward on both sides of the long portion 26 in the width direction of the long portion 26, the wing portions 22 are symmetrically provided on both sides of the long portion 26, and the wing portions 22 and the long portion 26 may be integrally molded. When the embodiment of the utility model provides a when connecting device connects photovoltaic module 5, pterygoid lamina portion 22 is located between clamp plate 1 and photovoltaic module 5 for the lifting surface area that cushion 2 received increases, is favorable to strengthening the steadiness of cushion 2 between clamp plate 1 and photovoltaic module 5. Meanwhile, the arrangement of the wing plate part 22 facilitates the operator to hold the elastic pad 2, and when the installation is carried out, the elastic pad 2 is positioned between the rope 4 and the photovoltaic module 5, and the installation efficiency is improved. In addition, the wing plate portion 22 is located between the pressing plate 1 and the frame of the photovoltaic module 5, and the wing plate portion 22 isolates the photovoltaic module 5 from the pressing plate 1, so that the pressing plate 1 is prevented from damaging the photovoltaic module 5.

Example 3, as shown in fig. 11, the elastic pad 2 includes a long portion 26 and a flap portion 22, and a through hole 23 is provided in the middle of the elastic pad 2, and the through hole 23 penetrates in the thickness direction of the elastic pad 2. Therefore, the use of materials of the elastic cushion 2 is reduced, the resource investment is saved, in addition, the weight of the elastic cushion 2 is reduced, and the load of the rope 4 is lightened.

In actual fact, when using the embodiment of the present invention to provide a connecting device to connect photovoltaic module 5, two adjacent frames of photovoltaic module 5 are connected to the two ends of the pressing plate 1 respectively, and there is a gap between two photovoltaic modules 5. And the embodiment of the utility model provides a clearance between through-hole 23 of cushion 2 and two photovoltaic module 5 corresponds.

Example 4, as shown in fig. 12, the elastic pad 2 includes an elongated portion 26 and fixing portions 24 provided at both ends of the elongated portion, the fixing portions 24 extend in the width direction of the elongated portion 26, and the elongated portion 26 and the fixing portions 24 form an i-shaped structure. As described above, when the rope 4 is pressed against the elastic pad 2 by the pressing plate 1, the fixing portions 24 at both ends of the long portion 26 of the elastic pad 2 are located outside both ends of the pressing plate 1, and the pressing plate 1 is clamped between the fixing portions 24 at both ends of the long portion, so that the firmness of connection between the elastic pad 2 and the pressing plate 1 is enhanced.

Example 5, as shown in fig. 12, the elastic pad 2 includes an elongated portion and fixing portions 24 provided at both ends of the elongated portion 26, the fixing portions 24 extend in a width direction of the elongated portion 26, the elongated portion 26 and the fixing portions 24 form an i-shaped structure, a protruding portion 25 is provided on a side of the elongated portion away from the second recess 21, and the protruding portion 25 protrudes from the fixing portions 24 in a thickness direction of the elongated portion 26. Use the embodiment of the utility model provides a connecting device connects photovoltaic module 5, when compressing tightly rope 4 and cushion 2 on photovoltaic module 5 through clamp plate 1, under the circumstances of the deflection of increase cushion 2, not only make the frictional force reinforcing of cushion 2 and photovoltaic module 5, enlarged the area of contact of cushion 2 and photovoltaic module 5 moreover, promoted the steadiness of cushion 2. Furthermore, when the amount of deformation of the elastic pad 2 increases, a part of the fixing portion 24 is located at one end of the platen 1, and a part thereof is located at one end of the photovoltaic module 5 in contact with the platen 1, thereby effectively preventing the photovoltaic module 5 from sliding with respect to the platen 1.

In an alternative manner, the connection device provided by the embodiment of the present invention further includes a backing plate 3 as shown in fig. 4 and 13, the backing plate 3 is disposed on one side of the elastic pad 2 away from the second groove 21, and the pressing plate 1, the elastic pad 2 and the backing plate 3 are tightly fitted by the fastening member 6. The fastener 6 comprises a bolt and a nut, the bolt and the nut tightly connect the pressing plate 1, the elastic pad 2 and the backing plate 3, and the bolt and the nut are detachably connected, so that the pressing plate 1, the elastic pad 2 and the backing plate 3 can be conveniently detached and replaced. Of course, the fastener 6 may also be a rivet or the like.

As an optional mode, at least three first mounting holes 12 matched with the fasteners 6 are formed in the pressing plate 1, the first mounting holes 12 are located on two sides of the first groove 11, and second mounting holes 31 corresponding to the first mounting holes 12 are formed in the backing plate 3. So, be favorable to promoting the homogeneity of effort between clamp plate 1 and the backing plate 3, promote the steadiness that clamp plate 1 and backing plate 3 are connected. The number of the first mounting holes 12 may be three, four, five or more, and is not particularly limited herein, but an even number is, of course, preferable, and the plurality of first mounting holes 12 are disposed two by two symmetrically with respect to the median plane of the first recess 11. The number of the first mounting holes 12, the second mounting holes 31 and the fasteners 6 corresponds to one another.

Of course, the connecting device may not be provided with the backing plate 3, and may be fastened to the photovoltaic module 5 through the pressing plate 1 and the elastic pad 2, and may be fixed through the fastening member 6 or may be fixed by adhesion.

Referring to fig. 1 to 5, based on the connection device described in any of the above embodiments, the embodiment of the present invention further provides a photovoltaic system, which includes a plurality of photovoltaic modules 5, a rope 4, a bracket and the connection device described in any of the above embodiments, and two adjacent photovoltaic modules 5 are connected by the connection device. Rope 4 passes through the accommodation space of connecting device, and rope 4 is located the shady face of photovoltaic module 5, and the both ends of rope 4 set up in the support.

Under the condition of adopting the technical scheme, the rope 4 penetrates through the accommodating space of the connecting device, so that the connecting device is connected in series, two adjacent photovoltaic modules 5 are connected through the connecting device, and the photovoltaic modules 5 are connected to the rope 4 through the connecting device. The both ends of rope 4 set up in the support, and rope 4 is located photovoltaic module 5's shady face, and when rope 4 was used for connecting photovoltaic module 5 to play the effect of supporting photovoltaic module 5, simultaneously, avoid rope 4 to shelter from photovoltaic module 5's illumination, promote photovoltaic module 5's generated energy.

As shown in fig. 1, third mounting holes 51 are formed on both sides of the photovoltaic module 5, and the third mounting holes 51 are formed corresponding to the first mounting holes 12. In the embodiment provided by the present invention, the number of the first mounting holes 12 is four, and two of the first mounting holes are symmetrically disposed about the geometric center of the first groove 11. When the connecting device connects two adjacent photovoltaic modules 5, the two first mounting holes 12 at one end of the pressing plate 1 correspond to the two third mounting holes 51 at one side of one photovoltaic module 5, and the two first mounting holes 12 at the other end of the pressing plate 1 correspond to the two third mounting holes 51 at one side of the other photovoltaic module 5, as shown in fig. 5. The number of the backing plates 3 is two, and the backing plates correspond to the two photovoltaic modules 5 respectively. For the convenience of installation, when the elastic pad 2 includes the wing plate portion 22, the wing plate portion 22 is opened with a fourth installation hole 221 corresponding to the first installation hole 12. The screw rod of bolt passes backing plate 3, photovoltaic module 5's frame, the pterygoid lamina portion 22 of cushion 2, clamp plate 1 in proper order from photovoltaic module 5's shady face, later with nut fastening connection to with backing plate 3, photovoltaic module 5, cushion 2, rope 4 and clamp plate 1 fastening connection. The connecting device is fixedly connected with adjacent photovoltaic modules, and the rope is tightly penetrated through the accommodating space formed by the elastic cushion 2 and the backing plate 3 in a straight line, so that a plurality of photovoltaic modules are connected in series. The both ends of rope set up in the support, finally make photovoltaic module fixed set up in the support.

The screw rod of bolt passes backing plate 3, photovoltaic module 5's frame, elastic pad 2's pterygoid lamina portion 22, clamp plate 1 in proper order, later with the nut fastening connection time, because elastic pad 2 has elasticity, can increase the pretightning force of fastener 6 for the installation is firm more stable, and the not hard up probability of bolt significantly reduces, guarantees the steadiness between connecting device and the rope, has avoided the pine that the vibration caused to take off.

In addition, the beneficial effects of the photovoltaic system are the same as those of the above-mentioned connecting device, and are not described herein again.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (13)

1. The connecting device is characterized by comprising a pressing plate, wherein a first through groove is formed in one side of the pressing plate and used for accommodating a rope; the span size of the notch of the first groove is matched with the diameter of the rope, and the span size of each depth position of the first groove far away from the notch is smaller than the chord length of the part of the rope correspondingly contacted with each depth position, so that the inner wall of the first groove extrudes the outer surface of the rope.

2. The attachment device of claim 1 wherein the absolute value of the difference in dimension between the span dimension of each depth position of the first groove and the chord length of the portion of the cord corresponding to each depth position increases in the direction from the notch of the first groove to the bottom of the groove.

3. The connection according to claim 1, wherein the groove bottom of the first groove is non-circular.

4. The connecting device according to claim 3, wherein the bottom of the first groove is a triangular or trapezoidal groove.

5. The connecting device according to any one of claims 1 to 4, further comprising an elastic pad for tight fitting with the pressure plate, wherein a side of the elastic pad facing the pressure plate has a second groove therethrough, and the first groove and the second groove enclose a receiving space for passing and pressing the rope.

6. The connecting device according to claim 5, wherein the elastic pad comprises an elongated portion having the second groove penetrating therethrough in a longitudinal direction of the elongated portion on one side thereof.

7. The connection device according to claim 6, wherein the resilient pad further comprises flap portions provided on a side of the elongated portion remote from the second groove, the flap portions extending outwardly of both sides of the elongated portion in a width direction of the elongated portion.

8. The connecting device according to claim 7, wherein a through hole is provided in a middle portion of the elastic pad, the through hole penetrating in a thickness direction of the elastic pad.

9. The connecting device as claimed in claim 6, wherein the resilient pad further comprises fixing portions provided at both ends of the elongated portion, the fixing portions extending in a width direction of the elongated portion, the elongated portion and the fixing portions forming an i-shaped structure.

10. The attachment device of claim 9 wherein the resilient pad further includes a raised portion disposed on a side of the elongate portion remote from the second recess, the raised portion projecting beyond the securement portion in a direction of thickness of the elongate portion.

11. The connecting device according to claim 5, further comprising a backing plate disposed on a side of the elastic pad away from the second groove, wherein the pressing plate, the elastic pad and the backing plate are fastened together by a fastener.

12. The connecting device as claimed in claim 11, wherein the pressing plate is provided with at least three first mounting holes matched with the fasteners, the first mounting holes are located at two sides of the first groove, and the backing plate is provided with second mounting holes corresponding to the first mounting holes.

13. A photovoltaic system, comprising:

a plurality of photovoltaic modules, each of which is provided with a plurality of photovoltaic elements,

the connecting device according to any one of claims 1 to 12, two adjacent photovoltaic modules being connected by the connecting device;

the rope penetrates through the accommodating space of the connecting device, and the rope is positioned on the backlight surface of the photovoltaic module;

the support, the both ends of rope set up in the support.

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