CN218771987U

CN218771987U - Photovoltaic module wiring device for photovoltaic power generation

Info

Publication number: CN218771987U
Application number: CN202222501414.5U
Authority: CN
Inventors: 张�林; 张伟; 康赫然; 苗霞; 张可
Original assignee: State Grid Corp of China SGCC; Economic and Technological Research Institute of State Grid Inner Mongolia Electric Power Co Ltd; State Grid Eastern Inner Mongolia Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Economic and Technological Research Institute of State Grid Inner Mongolia Electric Power Co Ltd; State Grid Eastern Inner Mongolia Power Co Ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-03-28
Anticipated expiration: 2032-09-22

Abstract

The utility model discloses a photovoltaic module termination for photovoltaic power generation, including the junction box, the pin hole has been seted up in the junction box, be provided with in the junction box and be used for compressing tightly fixed establishment to the line body, through rotating the screw thread handle, make the second pivot rotate under the drive of screw thread handle, the second pivot is connected through the meshing of first bevel gear with second bevel gear and is driven first pivot and rotate, make drive gear drive driven rack move down, so that the holder compresses tightly the centre gripping to the line body, avoid the line body not hard up, and help improving the convenience that the installation was dismantled to the line body, get into the spacing groove through the gag lever post, extrude spacing ball to the inboard shrink of fixed slot, extrude the spring, under the spring action of spring, make spacing ball get into the draw-in groove and realize that the buckle to the gag lever post is fixed, cooperation through spacing ball and draw-in groove, make the holder fixed more stable to the centre gripping of the line body, help guaranteeing fixed establishment's stability.

Description

Photovoltaic module wiring device for photovoltaic power generation

Technical Field

The utility model relates to a photovoltaic power generation technical field especially relates to a photovoltaic module termination for photovoltaic power generation.

Background

The main principle of photovoltaic power generation is the photoelectric effect of a semiconductor, when photons irradiate on metal, the energy of the photons can be completely absorbed by certain electrons in the metal, and the energy absorbed by the electrons is large enough to overcome the internal gravitation of the metal to work, so that the photons leave the surface of the metal and escape out to form photoelectrons.

Most of existing photovoltaic module wiring devices for photovoltaic power generation are fixed by insulating tapes, but the fixing method cannot be used in an outdoor environment, the adhesive force of the insulating tapes can be slowly weakened in a long-time use process to cause lines to easily fall off, and the fixing method is also very troublesome in disassembly, the insulating tapes have viscosity to cause workers to be stuck by the insulating tapes, the disassembly operation is seriously influenced, and the life safety of the workers can be influenced even by electric shock.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the insulating tape can not adapt to multiple environment among the prior art, connect the ageing weak point and dismantle the operation difficulty, and the photovoltaic module termination for photovoltaic power generation who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a photovoltaic module wiring device for photovoltaic power generation comprises a wiring tube, wherein a lead hole is formed in the wiring tube, and a fixing mechanism for compressing and fixing a wire body is arranged in the wiring tube;

the fixing mechanism is including offering the chamber of accomodating in the junction box, it installs first pivot to accomodate to rotate on the intracavity wall, it installs the second pivot that extends to the junction box outside of tubes to accomodate to rotate on the intracavity roof, fixed cover is equipped with first bevel gear in the first pivot, fixed cover is equipped with the second bevel gear who is connected with first bevel gear meshing in the second pivot, fixed cover is equipped with drive gear in the first pivot, the opening has been seted up on the junction box, the slip cover is equipped with the driven rack of being connected with drive gear meshing in the opening, the one end fixedly connected with holder that driven rack extends to the pin hole, holder bottom fixedly connected with gag lever post, set up the spacing groove that can offset with the gag lever post activity in the junction box, the draw-in groove has been seted up on the spacing inslot wall, the fixed slot has been seted up on the gag lever post, the inner welding of fixed slot has the spring, the welding of spring free end has the spacing ball that offsets with the draw-in groove activity.

Preferably, the first rotating shaft is horizontally arranged in the accommodating cavity.

Preferably, the second rotating shaft is longitudinally arranged, and one end of the second rotating shaft, which extends to the wire connecting pipe, is fixedly connected with a threaded handle.

Preferably, the first bevel gear, the second bevel gear and the driving gear are located in the receiving cavity.

Preferably, a guide through hole for slidably sleeving the driven rack is formed in the junction tube.

Preferably, the limiting rod is arranged corresponding to the limiting groove.

Preferably, the clamping piece is positioned in the lead hole, and the cross section of the clamping piece is arc-shaped.

Preferably, the fixed slot level is seted up in gag lever post lower extreme both sides position, and the spring level sets up in the fixed slot.

Preferably, the limiting ball is arranged corresponding to the clamping groove.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a screw thread handle drives the second pivot and rotates for the second pivot drives first pivot and rotates, makes drive gear drive driven rack move down, in order to let the holder compress tightly the centre gripping to the line body, avoids the line body not hard up, and helps improving the convenience that the installation was dismantled to the line body.

2. The utility model discloses an during the gag lever post got into the spacing groove, extrude spacing ball to the inboard shrink of fixed slot, extrude the spring, under the spring action of spring for spacing ball gets into the draw-in groove and realizes fixed to the buckle of gag lever post, through the mating reaction of spacing ball and draw-in groove, makes the holder fixed more stable to the centre gripping of the line body, helps the stability of guarantee fixed establishment.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a photovoltaic module wiring device for photovoltaic power generation according to the present invention;

fig. 2 is a schematic diagram of a partial enlarged structure a of the photovoltaic module wiring device for photovoltaic power generation according to the present invention;

fig. 3 is the utility model provides a photovoltaic module termination's for photovoltaic power generation patch panel and clamping piece's connection structure schematic diagram.

In the figure: 1. a wire connecting tube; 2. a receiving cavity; 3. a first rotating shaft; 4. a second rotating shaft; 5. a first bevel gear; 6. a second bevel gear; 7. a drive gear; 8. an opening; 9. a driven rack; 10. a clamping member; 11. a limiting rod; 12. a limiting groove; 13. a card slot; 14. a fixing groove; 15. a spring; 16. a limiting ball; 17. and a lead hole.

Detailed description of the preferred embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the present invention, the terms such as "upper", "lower", "left", "right", "middle" and "one" are also used only for the sake of clarity, but not for limiting the range of the present invention, and the changes or adjustments of the relative relationships thereof are not essential to change the technical content, and thus the present invention is also regarded as the practicable scope.

The utility model provides an embodiment, refer to fig. 1-3, a photovoltaic module termination for photovoltaic power generation, including wire barrel 1, seted up pin hole 17 in the wire barrel 1, introduce the wire barrel 1 with the line body through pin hole 17 for the line body is arranged in wire barrel 1, can regard as the protective housing of the line body through wire barrel 1, makes the line body can not receive direct injury, helps improving termination's safety in utilization, makes termination can use under the environment of difference.

The wire connecting tube 1 is provided with a fixing mechanism for compressing and fixing the wire body, and further description is given below:

fixing mechanism is including offering the chamber 2 of accomodating in the terminal pipe 1, accomodate and rotate on the 2 inner walls in chamber and install first pivot 3, first pivot 3 level sets up in accomodating chamber 2, accomodate and rotate on the 2 interior roof in chamber and install the second pivot 4 that extends to the terminal pipe 1 outer, second pivot 4 vertically sets up, and second pivot 4 extends to the one end fixedly connected with screw thread handle of terminal pipe 1, through setting up screw thread handle, it is more convenient when dismantling to make operating personnel install.

A first bevel gear 5 is fixedly sleeved on the first rotating shaft 3, a second bevel gear 6 meshed with the first bevel gear 5 is fixedly sleeved on the second rotating shaft 4, a driving gear 7 is fixedly sleeved on the first rotating shaft 3, and the first bevel gear 5, the second bevel gear 6 and the driving gear 7 are all located in the accommodating cavity 2.

Seted up opening 8 on the wire barrel 1, the slip cover is equipped with driven rack 9 of being connected with drive gear 7 meshing in the opening 8, set up the direction through-hole that is used for the slip cover to establish driven rack 9 in the wire barrel 1, provide the activity space for driven rack 9 through opening 8, avoid because driven rack 9 activity space undersize leads to driven rack 9 to bump in accomodating chamber 2, direction limiting displacement through the direction through-hole, make driven rack 9 can only carry out vertical removal in the direction through-hole.

Driven rack 9 extends to the one end fixedly connected with holder 10 of pin hole 17, and holder 10 is located pin hole 17, and holder 10 cross section is the arc type, through the arc type design for holder 10 more laminates the line body shape, helps improving holder 10 and presses the stability of fastening timing to the line body.

The bottom end of the clamping piece 10 is fixedly connected with a limiting rod 11, a limiting groove 12 which can be movably abutted against the limiting rod 11 is formed in the junction box 1, the limiting rod 11 and the limiting groove 12 are correspondingly arranged, and the notch of the limiting groove 12 is processed by a fillet.

Draw-in groove 13 has been seted up on spacing groove 12 inner wall, fixed slot 14 has been seted up to 11 lower extreme both sides position levels of gag lever post, the horizontal welding in fixed slot 14 the inner has spring 15, the welding of spring 15 free end has spacing ball 16 that offsets with draw-in groove 13 activity, spacing ball 16 corresponds the setting with draw-in groove 13, elastic action through spring 15, can make spacing ball 16 reduce or can tend to initial condition's orientation when not receiving the extrusion and reset when the effort that receives, spacing ball 16 corresponds the setting with the fillet notch of spacing groove 12, reduce spacing ball 16 produced frictional force when being extruded effectively, it is to explain: the position-limiting ball 16 is initially positioned with one portion in the fixing groove 14 and the other portion outside the fixing groove 14, so that the position-limiting ball 16 can move telescopically only in the horizontal direction when pressed.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the wire body is introduced into the junction box 1 through the lead hole 17.

The second rotating shaft 4 is driven to rotate by rotating the threaded handle, the first rotating shaft 3 is driven to rotate by the meshing connection of the first bevel gear 5 and the second bevel gear 6, and the first rotating shaft 3 can drive the driven rack 9 to vertically move downwards by the driving gear 7 through the meshing connection of the driving gear 7 and the driven rack 9, so that the clamping piece 10 compresses and fixes the line body.

The clamping piece 10 drives the limiting rod 11 to move downwards to enter the limiting groove 12, the limiting ball 16 is extruded to shrink towards the inner side of the fixing groove 14, the spring 15 is extruded, and under the elastic action of the spring 15, the limiting ball 16 enters the clamping groove 13 to realize buckling and fixing of the limiting rod 11.

In the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are used in a generic sense, and for example, "connected" may be fixedly connected or detachably connected, or integrally connected. 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.

In the description of the present invention, it should be understood that the indicated position or positional relationship is based on the position or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or unit must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A photovoltaic module wiring device for photovoltaic power generation comprises a wiring tube (1) and is characterized in that a lead hole (17) is formed in the wiring tube (1), and a fixing mechanism used for compressing and fixing a wire body is arranged in the wiring tube (1);

the fixing mechanism comprises a containing cavity (2) arranged in the wiring pipe (1), a first rotating shaft (3) is rotatably mounted on the inner wall of the containing cavity (2), and a second rotating shaft (4) extending out of the wiring pipe (1) is rotatably mounted on the inner top wall of the containing cavity (2); a first bevel gear (5) is fixedly sleeved on the first rotating shaft (3), a second bevel gear (6) in meshed connection with the first bevel gear (5) is fixedly sleeved on the second rotating shaft (4), and a driving gear (7) is fixedly sleeved on the first rotating shaft (3); seted up opening (8) on junction tube (1), the slip cover is equipped with driven rack (9) of being connected with drive gear (7) meshing in opening (8), and driven rack (9) extend to one end fixedly connected with holder (10) of lead wire hole (17), holder (10) bottom fixedly connected with gag lever post (11), set up spacing groove (12) that offset with gag lever post (11) activity in junction tube (1), seted up draw-in groove (13) on spacing groove (12) inner wall, seted up fixed slot (14) on gag lever post (11), fixed slot (14) inner welding has spring (15), and spring (15) free end welding has spacing ball (16) that offset with draw-in groove (13) activity.

2. The photovoltaic module junction device for photovoltaic power generation according to claim 1, characterized in that the first rotating shaft (3) is horizontally disposed in the receiving cavity (2).

3. The photovoltaic module wiring device for photovoltaic power generation as claimed in claim 1, wherein the second rotating shaft (4) is longitudinally arranged, and a threaded handle is fixedly connected to one end of the second rotating shaft (4) extending to the wiring tube (1).

4. The photovoltaic module wiring device for photovoltaic power generation as claimed in claim 1, wherein the first bevel gear (5) and the second bevel gear (6) and the driving gear (7) are located in the receiving cavity (2).

5. The photovoltaic module wiring device for photovoltaic power generation as claimed in claim 1, wherein a guide through hole for slidably sleeving the driven rack (9) is formed in the wiring tube (1).

6. The photovoltaic module wiring device for photovoltaic power generation as claimed in claim 1, wherein the limiting rod (11) is disposed corresponding to the limiting groove (12).

7. The photovoltaic module wiring device for photovoltaic power generation as recited in claim 1, wherein the holding member (10) is located in the lead hole (17), and the cross section of the holding member (10) is arc-shaped.

8. The photovoltaic module wiring device for photovoltaic power generation as claimed in claim 1, wherein the fixing grooves (14) are horizontally formed on both sides of the lower end of the limiting rod (11), and the springs (15) are horizontally arranged in the fixing grooves (14).

9. The photovoltaic module wiring device for photovoltaic power generation as claimed in claim 1, wherein the limiting balls (16) are disposed corresponding to the slots (13).