CN210380762U

CN210380762U - Special cable fixing device of photovoltaic power plant photovoltaic

Info

Publication number: CN210380762U
Application number: CN201921861089.5U
Authority: CN
Inventors: 杨涛; 桂继勇; 钱磊; 孔梦博; 于银凤
Original assignee: Henan Electric Power Engineering Co Ltd
Current assignee: Henan Electric Power Engineering Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-04-21
Anticipated expiration: 2029-10-31

Abstract

The utility model provides a special cable fixing device of photovoltaic power plant photovoltaic, connect through the elastic plate between punch holder one side and the lower plate, one side that the elastic plate was kept away from to the punch holder is equipped with the fixed plate that is eight characters type setting, one side that the punch holder was kept away from to the fixed plate is equipped with the mounting groove, the mounting groove both sides are equipped with the retaining ring piece, the lower plate sets up the lower terminal surface at photovoltaic module, and the punch holder sets up the up end at photovoltaic module, MC4 connects both ends the cable sets up respectively in the fixed slot of fixed plate, through bolted connection fin in the mounting groove both sides, the fin is fixed on the retaining ring piece, the utility model discloses can press from both sides tight photovoltaic module through punch holder, lower plate and elastic plate, joint fixed slot MC4 on the fixed plate connects, connects the fin in MC4 connects the top, realizes the fixed of cable, Heat dissipation and waterproof, the utility model discloses it is with low costs to make, and the practicality is strong.

Description

Special cable fixing device of photovoltaic power plant photovoltaic

Technical Field

The utility model relates to an electric power construction technical field, concretely relates to special cable fixing device of photovoltaic power plant photovoltaic.

Background

The existing distributed photovoltaic power station MC4 joint is generally not subjected to waterproof heat dissipation treatment, direct current arc discharge faults are easily caused after aging, and if an inverter cannot give an alarm in time, a fire disaster can be caused in serious conditions.

The application number is CN201920114283.0 among the prior art, and the name is Chinese patent document of special cable fixed knot of distributed photovoltaic power plant photovoltaic constructs, discloses a special cable fixed knot of distributed photovoltaic power plant photovoltaic constructs, including photovoltaic module (1) and MC4 connect (2), MC4 connects (2) both ends and is provided with cable (21), its characterized in that still includes cable fixation clamp (3), cable fixation clamp (3) include bottom plate (31) and set up roof (32) above bottom plate (31), connect through linkage unit (33) between bottom plate (31) one end and roof (32), the bottom plate (31) other end is provided with arc wall (34), bottom plate (31) set up the lower terminal surface of photovoltaic module (1), roof (32) set up the up terminal surface of photovoltaic module (1), the cable (21) at MC4 joint (2) both ends set up two respectively cable fixation clamp (3) By being arranged below the photovoltaic module 1 in the arc-shaped groove (34), the waterproof effect is poor, and the MC4 joint cannot realize the heat dissipation effect.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is the waterproof and heat dissipation that MC4 connects, for solving above-mentioned problem, the utility model provides a special cable fixing device of photovoltaic power plant photovoltaic.

The purpose of the utility model is realized with the following mode:

the utility model provides a special cable fixing device of photovoltaic power plant photovoltaic, includes that photovoltaic module and MC4 connect, MC4 connects both ends and is provided with the cable, still includes in the cable fixing device of photovoltaic module joint, cable fixing device includes punch holder and the lower plate that sets up in the punch holder below, connect through the elastic plate between punch holder one side and the lower plate, one side that the elastic plate was kept away from to the punch holder is equipped with the fixed plate that is eight style of calligraphy and sets up, one side that the punch holder was kept away from to the fixed plate is equipped with the mounting groove, the mounting groove both sides are equipped with the retaining ring piece, the lower plate sets up the lower terminal surface at photovoltaic module, and the punch holder sets up the up end at photovoltaic module, MC4 connects both ends the cable sets up respectively in the fixed slot of fixed plate, passes through the bolted connection fin in the mounting groove both.

The width of one side of the fixing plate, which is far away from the upper clamping plate, is larger than that of one side of the fixing plate, which is close to the upper clamping plate.

The fixed slot is the U type, and fixed ring piece of fixed connection in fixed slot both sides is the type of falling U.

And two sides of the middle part of the upper clamping plate and the lower clamping plate are respectively provided with an extruding container, an extruding rod is arranged between the adjacent extruding containers, and the extruding rods are sleeved with the extruding containers.

The extrusion rod is in an open T shape, connecting columns are arranged on two sides of the extrusion rod and are sleeved in the extrusion barrel.

The upper clamping plate, the lower clamping plate, the elastic plate and the extrusion rod are all made of spring steel.

Compared with the prior art, the utility model discloses can press from both sides tightly photovoltaic module through punch holder, lower plate and elastic plate, fixed slot joint MC4 on the fixed plate connects, connects the top installation fin at MC4, realizes fixed, heat dissipation and waterproof to the cable, the utility model discloses make with low costs, the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection of the fixed plate and the elastic plate.

Fig. 3 is an enlarged schematic view of a in fig. 1.

The photovoltaic module comprises a photovoltaic module 1, a radiating fin 2, a mounting groove 3, a fixing ring block 4, a fixing plate 5, an upper clamping plate 6, an extrusion rod 7, an extrusion cylinder 8, an elastic plate 9, a lower clamping plate 10 and a cable B.

Detailed Description

As shown in attached figures 1 to 3, the cable fixing device special for photovoltaic of the photovoltaic power station comprises a photovoltaic module 1 and an MC4 joint, cables are arranged at two ends of the MC4 joint, the cable fixing device is clamped on the photovoltaic module 1 and comprises an upper clamp plate 6 and a lower clamp plate 10 arranged below the upper clamp plate 6, one side of the upper clamp plate 6 is connected with the lower clamp plate 10 through an elastic plate 9, a fixing plate 5 arranged in a splayed shape is arranged at one side of the upper clamp plate 6 away from the elastic plate 9, a mounting groove 3 is arranged at one side of the fixing plate 5 away from the upper clamp plate 6, the opening of the mounting groove 3 faces outwards, fixing ring blocks 4 are arranged at two sides of the mounting groove 3, the lower clamp plate 10 is arranged at the lower end face of the photovoltaic module 1, the upper clamp plate 6 is arranged at the upper end face of the photovoltaic module 1, the cables at two ends of the MC4 joint are respectively arranged in, the two sides of the mounting groove 3 are connected with the radiating fins 2 through bolts, the radiating fins 2 are fixed on the fixed ring block 4, and the radiating fins 2 are semicircular.

The width that fixed plate 5 kept away from 6 one side of punch holder is greater than the width that fixed plate 5 is close to 6 one side of punch holder, is eight characters, connects the width and strengthens.

The fixed slot is the U type, and fixed slot both sides fixed connection's fixed ring piece 4 is the type of falling U, and the fixed slot connects the photovoltaic cable joint at both ends to MC4, and fixed MC4 connects.

The utility model discloses a photovoltaic module, including upper plate 6 and lower plate 10, upper plate 6 and lower plate 10 middle part both sides all are equipped with recipient 8, be equipped with squeeze bar 7 between the adjacent recipient 8, squeeze bar 7 cup joints with recipient 8, and upper plate 6 and lower plate 10 open and shut through squeeze bar 7 press from both sides tight joint according to 1 volume thickness of photovoltaic module.

The extrusion rod 7 is in an open T shape, connecting columns are arranged on two sides of the extrusion rod 7 and are sleeved in the extrusion container 8, the extrusion rod 7 can be detached if a handle of a dovetail clamp is used, the extrusion rod 7 is used for opening the upper clamping plate 6 and the lower clamping plate 10 during installation, and the extrusion rod 7 is detached after installation.

The upper clamping plate 6, the lower clamping plate 10, the elastic plate 9 and the extrusion rod 7 are made of spring steel, and like a dovetail clamp structure, the upper clamping plate 6, the lower clamping plate 10 and the elastic plate 9 are clamped and buckled on the photovoltaic assembly 1.

The working process of the utility model is as follows:

when the device is installed, the extrusion rod 7 is pressed by two hands, the extrusion rod 7 drives the upper clamping plate 6 and the lower clamping plate 10 to be separated, the upper opening and the lower opening of the upper clamping plate 6 and the lower clamping plate 10 are opened until the opening size is larger than the thickness of the photovoltaic component 1, then the upper clamping plate 6 and the lower clamping plate 10 are clamped on the photovoltaic component 1, the upper clamping plate 6 is clamped on the upper end face of the photovoltaic component 1, the lower clamping plate 10 is clamped on the lower end face of the photovoltaic component 1, then cables at two ends of the MC4 joint are placed into the two installation grooves 3, then the radiating fins 2 are connected with the fixed ring blocks 4 through bolts, the fixed ring blocks 4 at two sides can also penetrate through the long bolts, the long bolts are arranged above the cables at two ends of the MC4 joint, the MC4 joint is limited up and down through the long bolts, the radiating fins 2 cover the MC4 joint completely, the waterproof and radiating effects are achieved on the MC joint, the direct current does not directly contact the roof, the erosion of the direct current caused by rainwater and the like is reduced, the service life of the MC connector is prolonged, and the direct current arcing fault is reduced.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.

Claims

1. The utility model provides a special cable fixing device of photovoltaic power plant photovoltaic, includes that photovoltaic module and MC4 connect, MC4 connects both ends and is provided with the cable, its characterized in that: still include in the cable fixing device of photovoltaic module joint, cable fixing device includes punch holder and the lower plate that sets up in the punch holder below, connect through the elastic plate between punch holder one side and the lower plate, one side that the elastic plate was kept away from to the punch holder is equipped with the fixed plate that is eight style of calligraphy and sets up, one side that the punch holder was kept away from to the fixed plate is equipped with the mounting groove, the mounting groove both sides are equipped with the retaining ring piece, the lower plate sets up at photovoltaic module's lower terminal surface, and the punch holder sets up the up end at photovoltaic module, MC4 connects both ends the cable sets up respectively in the fixed slot of fixed plate, pass through the bolted connection fin in the mounting groove both sides, the fin is fixed on the retaining ring piece.

2. The special cable fixing device of photovoltaic power plant photovoltaic of claim 1, characterized in that: the width of one side of the fixing plate, which is far away from the upper clamping plate, is larger than that of one side of the fixing plate, which is close to the upper clamping plate.

3. The special cable fixing device of photovoltaic power plant photovoltaic of claim 1, characterized in that: the fixed slot is the U type, and fixed ring piece of fixed connection in fixed slot both sides is the type of falling U.

4. The special cable fixing device of photovoltaic power plant photovoltaic of claim 1, characterized in that: and two sides of the middle part of the upper clamping plate and the lower clamping plate are respectively provided with an extruding container, an extruding rod is arranged between the adjacent extruding containers, and the extruding rods are sleeved with the extruding containers.

5. The special cable fixing device of photovoltaic power plant photovoltaic of claim 4, characterized in that: the extrusion rod is in an open T shape, connecting columns are arranged on two sides of the extrusion rod and are sleeved in the extrusion barrel.

6. The special cable fixing device of photovoltaic power plant photovoltaic of claim 4, characterized in that: the upper clamping plate, the lower clamping plate, the elastic plate and the extrusion rod are all made of spring steel.