CN211789567U

CN211789567U - Photovoltaic cable joint with flame-retardant function

Info

Publication number: CN211789567U
Application number: CN202020646104.0U
Authority: CN
Inventors: 方春
Original assignee: Chengyao Environmental Protection Technology Shanghai Co ltd
Current assignee: Chengyao Environmental Protection Technology Shanghai Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-10-27
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a photovoltaic cable joint with flame-retardant function, including fixed pipe, the inside of fixed pipe is fixed with the intubate through the dead lever, the inside an organic whole of fixed pipe is provided with the electric conductor of cone type, the center pin of electric conductor and the center pin coincidence of intubate, the sharp-pointed one end of electric conductor stretches into the inside 1-2mm of intubate, fixed pipe includes public pipe and female pipe, the outer wall that public pipe is close to electric conductor one end has cup jointed the loose ring, the outer wall of public pipe still an organic whole is provided with carries out spacing collar to the loose ring, the outer wall that female pipe is close to electric conductor one end passes through the screw thread and is connected with the loose ring, one side that the intubate was kept away from to the electric conductor of female intraduct is seted up flutedly, one side that the intubate was kept away from to. Through the cooperation of above each device, can make the resistance of cable junction reduce, reduce calorific capacity, avoid taking place the power consumption incident.

Description

Photovoltaic cable joint with flame-retardant function

Technical Field

The utility model relates to a photovoltaic cable correlation technique field specifically is a photovoltaic cable joint with fire prevention function.

Background

In order to satisfy needs at the erection in-process of circuit, can use some joints to fix the junction of cable to make cable junction obtain better steadiness, but cable junction can lead to the junction resistance increase because of its lapped mode, thereby leads to the calorific capacity of cable junction great, has certain power consumption potential safety hazard, so the urgent need one kind can reduce cable junction resistance, thereby reduces the photovoltaic cable joint that calorific capacity reaches the fire prevention purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic cable joint with fire prevention function to the cable junction resistance that provides in solving above-mentioned background is higher, leads to calorific capacity higher easily, causes the problem of power consumption potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a photovoltaic cable joint with fire prevention function, includes fixed pipe, the inside of fixed pipe is fixed with the intubate through the dead lever, the inside an organic whole of fixed pipe is provided with the electric conductor of cone type, the center pin of electric conductor and the coincidence of the center pin of intubate, the sharp-pointed one end of electric conductor stretches into the intubate inside 1-2 mm.

Preferably, the fixed pipe comprises a male pipe and a female pipe, the male pipe and the female pipe are identical in structure, the outer wall of one end, close to the electric conductor, of the male pipe is sleeved with a movable ring, the outer wall of the male pipe is further integrally provided with a limiting ring for limiting the movable ring, and the outer wall of one end, close to the electric conductor, of the female pipe is connected with the movable ring through threads.

Preferably, a plurality of concentric circular grooves are formed in one side, away from the insertion tube, of the electric conductor in the female tube, and a groove rod matched with the grooves is integrally arranged on one side, away from the insertion tube, of the electric conductor in the male tube.

Preferably, the outer wall of the movable ring is provided with anti-skid grains.

Preferably, one end of the insertion tube, which is far away from the electric conductor, is flush with one end of the fixing tube, the inner diameter of the fixing tube is matched with the outer diameter of the cable, and the outer diameter of the insertion tube is matched with the inner diameter of the cable outer protective sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, the electric conductor through the cone type can be with the stranded wire dispersion of cable to make self outer wall is being hugged closely to the wire of dispersion, through the area of contact who increases between cable and the electric conductor, can effectively reduce resistance, and public pipe passes through recess and groove pole with the inside electric conductor of female pipe and connects, can further increase the area of contact between two electric conductors again, can further reduce the resistance value, reduce the heat of production, reach the emergence of effectively avoiding power consumption incident.

2. The utility model discloses, can pass through screw thread and female union coupling at public tub of outer wall free activity's activity ring, not only can make the fastening more of being connected between public pipe and the female pipe, the condition of effectively avoiding unexpected breaking away from between public pipe and the female pipe takes place, can make electric conductor connection's inside public pipe and female pipe inseparabler moreover, guarantees that the cable can normally be switched on.

Drawings

FIG. 1 is an exploded view of an embodiment of the present invention;

fig. 2 is a front sectional view of the main pipe according to the embodiment of the present invention.

In the figure: 1. a fixed tube; 2. fixing the rod; 3. inserting a tube; 4. an electrical conductor; 5. a male pipe; 51. a movable ring; 52. a limiting ring; 53. a slot bar; 54. anti-skid lines; 6. a main pipe; 61. and (4) a groove.

Detailed Description

In order to reduce the resistance value of the cable connection part, reduce the heat productivity and avoid the occurrence of electricity utilization safety accidents, the photovoltaic cable joint with the flame-retardant function is provided. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present embodiment provides a photovoltaic cable connector with a flame-retardant function, including a fixing tube 1, an insertion tube 3 is fixed inside the fixing tube 1 through a fixing rod 2, a conical electric conductor 4 is integrally disposed inside the fixing tube 1, a central axis of the electric conductor 4 coincides with a central axis of the insertion tube 3, and a sharp end of the electric conductor 4 extends into the insertion tube 3 by 1-2 mm.

Fixed pipe 1 includes public pipe 5 and female pipe 6, and public pipe 5 is the same with the inside structure of female pipe 6, and public pipe 5 has cup jointed the activity ring 51 near the outer wall of electric conductor 4 one end, and public pipe 5's outer wall still an organic whole is provided with carries out spacing stop ring 52 to activity ring 51, and female pipe 6 passes through the screw thread to be connected with activity ring 51 near the outer wall of electric conductor 4 one end.

A plurality of concentric circular grooves 61 are formed in one side, away from the insertion tube 3, of the conductor 4 in the female tube 6, and a groove rod 53 matched with the grooves 61 is integrally arranged on one side, away from the insertion tube 3, of the conductor 4 in the male tube 5.

The outer wall of the movable ring 51 is provided with anti-slip lines 54.

One end of the insertion tube 3 far away from the electric conductor 4 is flush with one end of the fixed tube 1, the inner diameter of the fixed tube 1 is matched with the outer diameter of the cable, and the outer diameter of the insertion tube 3 is matched with the inner diameter of the outer protective sleeve of the cable.

In this embodiment, the protective sleeve at the end of the cable is removed by 1-2cm by using a tool, and then the bare cable is inserted into the fixing tube 1, when the protective sleeve of the cable is sleeved on the outer wall of the insertion tube 3, the exposed lead passes through the insertion tube 3 and is dispersed through the sharp end of the electric conductor 4, the dispersed lead is tightly attached to the outer wall of the electric conductor 4 under the influence of the self plastic deformation, after the male pipe 5 and the female pipe 6 are connected with the cable, the male pipe 5 and the female pipe 6 are held by hands and the ends of the male pipe 5 and the female pipe 6 provided with the electric conductors 4 are close to each other, two electric conductors 4 are inserted into the groove rod 53 through the groove 61, then the ends of the male pipe 5 and the female pipe 6 provided with the electric conductors 4 are tightly attached, then the movable ring 51 is rotated towards the direction close to the female pipe 6, the movable ring 51 tightly fixes the male pipe 5 and the female pipe 6 together through the screw thread, and the limit ring 52 can ensure that the movable ring 51 can not be separated from the male pipe 5.

Through the cooperation of above each device, can make the resistance of cable junction reduce, reduce calorific capacity, avoid taking place the power consumption incident.

Example 2

Referring to fig. 1-2, a further improvement is made on the basis of embodiment 1: fixed pipe 1 includes public pipe 5 and female pipe 6, public pipe 5 is the same with the inside structure of female pipe 6, the outer wall that public pipe 5 is close to electric conductor 4 one end has cup jointed the activity ring 51, public pipe 5's outer wall still an organic whole is provided with and carries out spacing ring 52 to activity ring 51, female pipe 6 passes through the screw thread and is connected with activity ring 51 near the outer wall of electric conductor 4 one end, can pass through screw thread and female pipe 6 at public pipe 5 outer wall free activity's activity ring 51 and be connected, not only can make the fastening more of being connected between public pipe 5 and the female pipe 6, effectively avoid the condition that the accident breaks away from between public pipe 5 and the female pipe 6 to take place, and can make that public pipe 5 and the inside electric conductor 4 of female pipe are connected inseparabler, guarantee that the cable can normally circular telegram.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic cable joint with fire prevention function, includes fixed pipe (1), its characterized in that: an insertion tube (3) is fixed inside the fixed tube (1) through a fixed rod (2), a conical electric conductor (4) is integrally arranged inside the fixed tube (1), the central axis of the electric conductor (4) is overlapped with the central axis of the insertion tube (3), and the sharp end of the electric conductor (4) extends into the insertion tube (3) by 1-2 mm.

2. The photovoltaic cable joint with flame retardant function of claim 1, wherein: fixed pipe (1) is including public pipe (5) and female pipe (6), public pipe (5) is the same with the inside structure of female pipe (6), the outer wall that public pipe (5) is close to electric conductor (4) one end has cup jointed movable ring (51), the outer wall of public pipe (5) still an organic whole is provided with and carries out spacing ring (52) to movable ring (51), female pipe (6) are close to the outer wall of electric conductor (4) one end and are passed through the screw thread and are connected with movable ring (51).

3. The photovoltaic cable joint with flame retardant function of claim 2, wherein: a plurality of concentric circular grooves (61) are formed in one side, away from the insertion pipe (3), of the conductor (4) in the female pipe (6), and a groove rod (53) matched with the grooves (61) is integrally arranged on one side, away from the insertion pipe (3), of the conductor (4) in the male pipe (5).

4. The photovoltaic cable joint with flame retardant function of claim 2, wherein: the outer wall of the movable ring (51) is provided with anti-skid grains (54).

5. The photovoltaic cable joint with flame retardant function of claim 1, wherein: one end, far away from the electric conductor (4), of the insertion pipe (3) is flush with one end of the fixing pipe (1), the inner diameter of the fixing pipe (1) is matched with the outer diameter of the cable, and the outer diameter of the insertion pipe (3) is matched with the inner diameter of the cable outer protective sleeve.