A photovoltaic cable connection device

Abstract

The utility model provides a photovoltaic cable connecting device, and the connecting device is detachably arranged on the mounting frame of photovoltaic panel, and it comprises the connecting assembly of detachable setting on the mounting frame, and the connecting assembly includes the guide cylinder, the outer side wall of one end of guide cylinder is connected with the connecting sleeve, one end of guide cylinder is provided with the lug plate, and the lug plate is detachably provided with the pressing plate, and the pressing plate and the lower part of guide cylinder form the limiting cavity for fixing the cable, the utility model can realize the quick butt joint and firm and stable fixing operation to the cable through the detachable connecting assembly, greatly improves the stability and portability of cable butt joint installation, solves the problem that the traditional cable is connected and fixed only by the way of binding or binding, the fixing effect is poor, and in the process of pulling, the connecting part of the two cables is easy to loosen or separate, causes the cable to be unable normal conduction, influences the energization of photovoltaic equipment, and the operation is more safe and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable connecting device technical field, concretely relates to a photovoltaic cable connecting device. BACKGROUND

[0002] Solar technology will become one of the green energy technologies in the future, and solar energy or photovoltaic (PV) is increasingly widely used in China. In addition to the rapid development of government-supported photovoltaic power plants, private investors are also actively building plants, planning to produce solar modules for global sales. Photovoltaic cables are used to transmit high-power electricity, and high-safety photovoltaic cables can improve the safety of living. The existing technology has the following problems:

[0003] The existing cables are generally fixed by bundling, which has poor fixing effect, and the two cables are easily separated during pulling, causing safety hazards and making it difficult to fix the photovoltaic cable. In addition, it is not convenient to connect, and screw fixing is often used, which is troublesome to install.

[0004] With the rapid growth of China's national economy, especially the acceleration of rural and urban power grid construction and the vigorous development of the real estate industry in various places, China's electric power industry has developed rapidly, thus promoting the development of the electrician industry supporting the electric power industry, especially the development of the wire and cable industry. Due to the increase of application scenarios, the use of cables is becoming more and more diverse.

[0005] The existing cables often need to be pulled and used side by side, but the existing cables generally do not have a parallel structure. Traditional cables are connected and fixed only by means of a strap or a binding method, which has poor fixing effect. During pulling, the connection part of the two cables is easily loosened or separated, which causes the cable to fail to conduct electricity normally, and there is a certain safety hazard, which affects the power-on of the photovoltaic equipment. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides a photovoltaic cable connecting device, which can realize quick butt joint and firm and stable fixing operation of the cable through a detachable connecting assembly, greatly improving the stability and portability of the cable butt joint installation, and being more safe and convenient.

[0007] In order to solve the above technical problems, the utility model provides a photovoltaic cable connecting device, the connecting device is detachably arranged on the mounting frame of photovoltaic panel, including the connecting assembly of detachable arrangement on the mounting frame, the connecting assembly includes the guide cylinder, the lower part of the guide cylinder is attached with the mounting surface of the mounting frame after being installed in place, the outer side wall of one end of the guide cylinder is threadedly connected with the connecting sleeve, one end of the guide cylinder is provided with the ear plate, the ear plate is detachably provided with the pressing plate, the pressing plate and the lower part of the guide cylinder form the limiting cavity for fixing the cable, the utility model can realize the quick butt joint and firm and stable fixing operation of the cable through the detachable connecting assembly, the stability and portability of the cable butt joint installation are greatly improved, the traditional cable is connected and fixed only by relying on the way of binding or binding, the fixing effect is poor, and in the process of pulling, the connecting parts of the two cables are easy to loosen or separate, so that the cable cannot normally conduct electricity, the operation is more safe and convenient.

[0008] The pressing plate is of arc structure, and a fixing plate matched with the ear plate is arranged on the outer side wall of the pressing plate, positioning holes are formed in the fixing plate and the ear plate, bolts are inserted into two positioning holes on the same axis, threaded holes matched with the bolts are formed in the mounting frame, the hole diameter of the positioning hole is greater than the maximum diameter of the external thread of the bolt,

[0009] A plurality of convex plates are uniformly arranged on the outer side wall of the connecting sleeve.

[0010] A plurality of elastic pads are arranged on the two end faces of the connecting sleeve, the utility model can greatly increase the connection tightness between the two adjacent connecting sleeves, and the safety and stability of the cable connection operation between the two adjacent sealing sleeves are greatly improved.

[0011] The inner side of the pressing plate is provided with a protective pad.

[0012] The upper part of the pressing plate is provided with a vertical plate.

[0013] Compared with the prior art, the utility model has at least one of the following beneficial technical effects:

[0014] 1. The utility model can provide guidance and protection for the insertion of the cable through the guide cylinder in the connecting mechanism, and can realize the compression and fixing operation of the cable through the limiting cavity formed between the pressing plate and the inner side of the guide cylinder, greatly increasing the firmness and stability of the cable installation and fixing, and the operation is more safe and convenient.

[0015] 2. A plurality of convex plates are uniformly arranged on the outer side wall of the connecting sleeve, the utility model can facilitate the operation of the operator's hand to hold and rotate the connecting sleeve through the convex plates arranged on the outer side wall of the connecting sleeve, realize the connection and sealing operation of the connecting sleeve on the connecting part of the two connected guide cylinders, and the operation is more safe and convenient.

[0016] 3、The utility model discares through the bolt penetration fixed plate and the positioning hole on the lug board, then the screw joint is in the threaded hole on the mounting frame realizes through the compression plate and the cooperation of guide cylinder realizes the firm stable compression fixing operation to the cable that enters the guide cylinder, through the fixed effect of two connecting assemblies, avoided the risk that the cable between two connecting assemblies can appear the separation when the cable is pulled, greatly increased the stable firm performance of cable installation, more safe operation.

[0017] 4、The utility model discares through the vertical board effect of compression plate upper portion and is convenient for operator to conveniently and quickly grab the compression plate, and realizes its easy removal and quick installation operation with the bolt removal, more convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure diagram of photovoltaic cable connecting device of the utility model;

[0019] Fig. 2 It is isometric view of photovoltaic cable connecting device of the utility model;

[0020] Fig. 3 It is side view of photovoltaic cable connecting device of the utility model.

[0021] Mark explanation: 100, connecting assembly;101, guide cylinder;102, connecting sleeve;103, lug board;104, compression plate;105, limit cavity;106, fixed plate;107, convex plate;108, elastic pad;109, vertical board. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the following will combine the drawing of the embodiment of the utility model with the specific implementation of the embodiment of the utility model. Figs. 1-3 The technical scheme of the embodiment of the utility model is described clearly and completely. Obviously, the described embodiment is a part of the embodiment of the utility model, not all. Based on the described embodiment of the utility model, all other embodiments obtained by the person skilled in the art belong to the scope of the utility model protection.

[0023] As Figs. 1-3The utility model provides a photovoltaic cable connecting device, the connecting device is detachably arranged on the mounting frame of photovoltaic panel, including the connecting assembly 100 of detachably arranged on the mounting frame, the connecting assembly 100 includes guide cylinder 101, after the installation of connecting assembly 100, the lower part of guide cylinder 101 is attached with the mounting surface of mounting frame, and the outer wall of one end of guide cylinder 101 is threadedly connected with connecting sleeve 102, one end of guide cylinder 101 is provided with lug plate 103, and lug plate 103 is detachably provided with pressing plate 104, and the lower part between guide cylinder 101 and pressing plate 104 forms the limiting cavity 105 for fixing cable, the utility model can realize the quick butt joint and firm and stable fixing operation of cable through the detachable connecting assembly 100, greatly improves the stability and portability of cable butt joint installation, solves the problems that the traditional cable is connected and fixed only by relying on the mode of cable tie or binding, the fixing effect is poor, and in the process of pulling, the connecting part of the two cables is easy to loosen or separate, leads to the problem that the cable cannot normally conduct electricity, and influences the energization of photovoltaic equipment, and the operation is safer and more convenient.

[0024] According to one embodiment of the utility model, as shown in Figs. 1-3 The pressing plate 104 is in arc shape, and a fixing plate 106 matched with the lug plate 103 is arranged on the outer wall of the pressing plate 104. Positioning holes are arranged on the fixing plate 106 and the lug plate 103. Bolts are inserted into two positioning holes on the same axis. Threaded holes matched with the bolts are arranged on the mounting frame. The diameter of the positioning holes is larger than the maximum diameter of the external thread of the bolts. The utility model can realize the cooperation between the pressing plate 104 and the guide cylinder 101 by the bolts penetrating the positioning holes of the fixing plate 106 and the lug plate 103 and being threadedly connected in the threaded holes of the mounting frame. The utility model can realize the firm and stable pressing and fixing of the cable inserted into the guide cylinder 101. The utility model can avoid the risk of disconnection of the cable between the two connecting assemblies 100 when the cable is pulled. The stability and firmness of the cable installation are greatly improved, and the operation is safer.

[0025] According to another embodiment of the utility model, as shown in Fig. 1 And Fig. 2 The outer wall of the connecting sleeve 102 is evenly provided with a plurality of lug plates 107. The utility model can facilitate the operation of the operator to hold and rotate the connecting sleeve 102 by the lug plates 107 arranged on the outer wall of the connecting sleeve 102. The utility model can realize the connection and sealing of the connecting part between the two connected guide cylinders 101. The operation is safer and more convenient.

[0026] According to another embodiment of the utility model, as shown in Fig. 1 And Fig. 3As shown, the two end faces of the connecting sleeve 102 are respectively provided with a plurality of elastic pads 108, the elastic pad 108 is a wear-resistant rubber material with a certain recovery elasticity, the utility model can greatly increase the tightness of the connection between the two adjacent connecting sleeves 102 through the elastic pad 108, and the safety and stability of the cable connection operation between the two adjacent sealing sleeves is greatly improved.

[0027] The inner side of the pressing plate 104 is provided with a protective pad, the protective pad is a wear-resistant rubber material, the utility model can realize the process of placing the cable under the pressing plate 104 in the process of the pressing plate 104 downwardly extruding the cable, and the cable is not pressed by the pressing plate 104 directly contacting and pressing the cable, so that the insulating skin on the outer side of the cable is not pressed, and the operation is safer and more convenient.

[0028] The upper part of the pressing plate 104 is provided with a vertical plate 109, the utility model can be conveniently and quickly grabbed by the operator through the vertical plate 109 on the upper part of the pressing plate 104, and the bolt is cooperated to be disassembled, so that the pressing plate 104 is easily disassembled and quickly installed, and the operation is more convenient.

[0029] The use method of the utility model:

[0030] First, it needs to be clear that the connecting device involved in the utility model is mainly used for the installation and fixing operation of the cable, and usually needs to be used in pairs, that is, two connecting devices need to be used in pairs between the joints of the same cable to realize the firm and stable installation of the cable and the effective protection operation between the two cable joints. The utility model takes the connection of photovoltaic cable as an example to elaborate its use method. When two sections of photovoltaic cable need to be connected, first, the operator inserts two bolts into the positioning holes on the fixed plate 106 and the ear plate 103 on the same straight line respectively, and then threadedly connects them in the threaded holes at the corresponding positions on the mounting frame. Then the operator inserts the cables to be connected into the fiber cavity between the rock plate and the guide cylinder 101, and continues to penetrate the guide cylinder 101. Similarly, the second connecting assembly 100 also repeats the above installation operation and the penetration operation of the other end cable. Then the operator butt joints the connection parts of the two sections of cable, and then the operator locks the bolt to realize the compression and fixing operation of the cable below. Then the operator twists the connecting sleeve 102 between the two connecting assemblies 100 to butt joint together, realizing the connection and sealing operation of the connecting parts of the two connected guide cylinders 101 through the connecting sleeve 102. The utility model can provide guidance and protection for the insertion of the cable through the guide cylinder 101 in the connecting mechanism, and can realize the compression and fixing operation of the cable through the limiting cavity 105 formed between the pressing plate 104 and the inner side of the guide cylinder 101, greatly increasing the firm and stable performance of the cable installation and fixation, making the operation more safe and convenient, solving the problem of poor fixing effect of the traditional cable connection and fixation by relying on the way of binding or binding, and the connection parts of the two cables are easy to loosen or separate during pulling, resulting in the problem of the cable unable to normally conduct electricity, affecting the power-on of the photovoltaic equipment.

[0031] In addition, it should be noted that in the description of the utility model, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0032] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary technical personnel in the technical field, without departing from the principle of the utility model, a number of improvements and refinements can be made, which should also be regarded as the protection scope of the utility model.

Claims

1. A photovoltaic cable connection device, wherein the connection device is detachably mounted on the mounting frame of the photovoltaic panel, characterized in that: The system includes a detachable connecting assembly (100) mounted on a mounting frame. The connecting assembly (100) includes a guide cylinder (101). After the connecting assembly (100) is installed in place, the lower part of the guide cylinder (101) is in contact with the mounting surface of the mounting frame. A connecting sleeve (102) is threaded onto the outer wall of one end of the guide cylinder (101). An ear plate (103) is provided at one end of the guide cylinder (101). A pressure plate (104) is detachably provided on the ear plate (103). A limiting cavity (105) for fixing the cable is formed between the pressure plate (104) and the lower part of the guide cylinder (101).

2. The photovoltaic cable connection device as described in claim 1, characterized in that: The pressure plate (104) has an arc-shaped structure, and a fixing plate (106) adapted to the ear plate (103) is provided on the outer side wall of the pressure plate (104). The fixing plate (106) and the ear plate (103) are both provided with positioning holes. Bolts are inserted into the two positioning holes on the same axis. The mounting bracket is provided with threaded holes adapted to the bolts. The diameter of the positioning holes is larger than the maximum diameter of the external thread of the bolt.

3. The photovoltaic cable connection device as described in claim 2, characterized in that: Multiple protrusions (107) are evenly distributed on the outer side wall of the connecting sleeve (102).

4. The photovoltaic cable connection device as described in claim 3, characterized in that: Multiple elastic pads (108) are respectively provided on both ends of the connecting sleeve (102).

5. The photovoltaic cable connection device as described in claim 4, characterized in that: A protective pad is provided on the inner side of the pressure plate (104).

6. The photovoltaic cable connection device as described in claim 5, characterized in that: A vertical plate (109) is provided on the upper part of the pressure plate (104).

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