CN219739351U

CN219739351U - Photovoltaic connector plug bush

Info

Publication number: CN219739351U
Application number: CN202320114477.7U
Authority: CN
Inventors: 杨俊逸; 欧波; 杨靖雯
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-09-22
Anticipated expiration: 2033-01-16

Abstract

The utility model provides a photovoltaic connector plug bush which comprises a plug bush body, wherein the plug bush body is of a tubular structure, a seam is arranged on the plug bush body along the length direction of the plug bush body, and a cable connecting part is arranged at one end of the plug bush body; a plug part for being matched with the cylindrical contact pin in a plug-in and poking mode is arranged on one side, away from the cable connecting part, of the plug sleeve body; the plug-in part is provided with a plurality of hollow strip-shaped grooves along the circumferential direction at intervals, the strip-shaped grooves are formed in an extending mode along the length direction of the plug-in part, a plurality of deformation strips are separated from the strip-shaped grooves, and the middle of each deformation strip is concavely arranged towards the axis direction of the plug-in part. According to the utility model, through structural improvement, the functions of the traditional drum spring are integrated on the plug bush, so that the plug pin is directly and electrically connected with the plug bush, lower contact resistance is ensured, meanwhile, the traditional drum spring part is reduced, and the manufacturing cost is lower.

Description

Photovoltaic connector plug bush

Technical Field

The utility model relates to the technical field of photovoltaic modules, in particular to a photovoltaic connector plug bush.

Background

The existing photovoltaic connector is generally in contact conduction with the drum spring in the negative electrode plug bush by adopting the positive electrode plug pin, so that circuit conduction is realized. The drum spring plays a role in electric connection, a current path is generally a positive electrode contact pin, a drum spring and a negative electrode plug bush, the drum spring is in contact conduction with the positive electrode contact pin through a plurality of single-circle convex surfaces, and the conductivity of the drum spring is generally low, so that the contact pin is electrically connected with the plug bush through the drum spring, the contact resistance value is high, the long-term use loss is large, and the heating is serious.

Therefore, how to solve the problem of high contact resistance value between the pin and the socket due to the electrical connection through the drum spring is a technical problem to be solved by those skilled in the art.

Disclosure of Invention

In view of the above, the present utility model provides a photovoltaic connector plug to solve the problem of high contact resistance between the pin and the plug due to the electrical connection through the drum spring.

In order to achieve the above object, the present utility model provides a photovoltaic connector plug bush, comprising a plug bush body, wherein the plug bush body has a tubular structure, the plug bush body is provided with a seam along the length direction thereof, and one end of the plug bush body is provided with a cable connecting part;

a plug part for being matched with the cylindrical contact pin in a plug-in and poking mode is arranged on one side, away from the cable connecting part, of the plug sleeve body;

the plug-in part is provided with a plurality of hollow strip-shaped grooves along the circumferential direction at intervals, the strip-shaped grooves are formed in an extending mode along the length direction of the plug-in part, a plurality of deformation strips are separated from the strip-shaped grooves, and the middle of each deformation strip is concavely arranged towards the axis direction of the plug-in part.

Preferably, the plug bush body is made of zirconium copper alloy.

Preferably, the electrical conductivity of the ferrule body is greater than 80% iacs.

Preferably, the inner walls of the deformation strips are all electroplated with silver layers.

Preferably, the plug bush body is made of red copper.

Preferably, an elastic ring is sleeved outside the deformation strip;

the elastic ring is positioned at a position of the deformation strip, which is concave towards the axis direction of the plug-in connection part.

Preferably, the seam of the plug bush body is provided with a plurality of riveting structures along the length direction;

the riveting structure comprises a round convex block arranged on one side of the joint and a round groove arranged on the other side of the joint and used for accommodating the round convex block.

Preferably, two ends of the plugging part are respectively provided with one riveting structure.

The utility model has the following beneficial effects:

according to the photovoltaic connector plug bush, in the practical application process, the contact pin and the cable connecting part of the plug bush body are respectively connected with the cable, and the contact pin is matched with the plug part of the plug bush body in a plug-in and poking mode, so that the circuit is conducted. Because the middle part of each deformation strip is concavely arranged towards the axis direction of the plug-in part, good contact between the contact pin and the plug bush body can be ensured by utilizing the deformation elasticity of the deformation strip 6, and the contact resistance between the contact pin and the plug bush is reduced. Compared with the introduction of the background technology, the utility model integrates the functions of the traditional drum spring to the plug bush through the structural improvement, so that the plug pin is directly and electrically connected with the plug bush, the lower contact resistance is ensured, meanwhile, the traditional drum spring part is reduced, and the manufacturing cost is lower.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a schematic perspective view of a photovoltaic connector plug according to the present utility model;

fig. 2 is a front view of a photovoltaic connector plug according to the present utility model;

FIG. 3 is a schematic view of a pin and sleeve configuration;

FIG. 4 is a schematic view of a structure in which an elastic ring is sleeved on a plug part of a plug bush;

reference numerals and signs

1-a plug bush body; 2-seaming; 3-a cable connection; 4-a plug-in part; 5-a bar-shaped groove; 6-deforming the strip; 7-inserting pins; 8-an elastic ring; 9-bump; 10-groove.

Detailed Description

The utility model aims at providing a photovoltaic connector plug bush to solve the problem that the contact resistance value between a contact pin and the plug bush is high due to the fact that the contact pin is electrically connected with the plug bush through a drum spring.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, the embodiment of the utility model discloses a photovoltaic connector plug bush, which comprises a plug bush body 1, wherein the plug bush body 1 is of a tubular structure, the plug bush body 1 is provided with a seam 2 along the length direction thereof, and one end of the plug bush body 1 is provided with a cable connecting part 3. One side of the plug bush body 1 far away from the cable connecting part 3 is provided with a plug part 4 for being matched with a cylindrical plug pin in a plug-in manner. The plugging part 4 is provided with a plurality of hollow strip-shaped grooves 5 at intervals along the circumferential direction, the strip-shaped grooves 5 are formed in an extending mode along the length direction of the plugging part 4, a plurality of deformation strips 6 are separated by the strip-shaped grooves 5, and the middle part of each deformation strip 6 is concavely arranged towards the axis direction of the plugging part 4.

As shown in fig. 3, in the practical application process, the contact pin 7 and the cable connection part 3 of the contact sleeve body 1 are connected with a cable respectively, and the contact pin 7 is in plug-in fit with the plug-in part 4 of the contact sleeve body 1, so that the circuit is conducted. Because the middle part of each deformation strip 6 is concavely arranged towards the axis direction of the plug-in part 4, good contact between the contact pin 7 and the plug bush body 1 can be ensured by utilizing the deformation elasticity of the deformation strip 6, and the contact resistance between the contact pin and the plug bush is reduced. Compared with the introduction of the background technology, the utility model integrates the functions of the traditional drum spring to the plug bush through the structural improvement, so that the plug pin is directly and electrically connected with the plug bush, the lower contact resistance is ensured, meanwhile, the traditional drum spring part is reduced, and the manufacturing cost is lower.

It should be noted that, the plug portion 4 of the plug housing body 1 keeps good contact with the pins 7 through the plurality of concave deformation strips 6, and those skilled in the art can adaptively design the number of deformation strips 6 and each size parameter of each deformation strip according to practical situations, where the number of deformation strips 6 and the size parameter of each deformation strip 6 are not limited in more detail.

In some embodiments, the insert body 1 is made of a zirconium copper alloy. The zirconium copper alloy material has better elasticity, so that the deformation strip 6 can have better elasticity to ensure good contact between the contact pin and the plug bush, thereby ensuring lower contact resistance.

In some specific embodiments, the electrical conductivity of the ferrule body 1 is greater than 80% iacs, thereby further reducing the contact resistance value of the pin to the ferrule.

In other embodiments, the inner walls of the deformation bar 6 are all electroplated with a silver layer, thereby improving the conductivity of the deformation bar 6 and further reducing the contact resistance between the pins and the sleeves.

In other embodiments, as shown in fig. 4, the sleeve body 1 may be made of a lower-cost red copper material in order to reduce the material cost. When the deformation strip 6 is made of red copper, the deformation elasticity of the deformation strip 6 is reduced, so that in order to ensure the contact pressure between the deformation strip 6 and the contact pin 7, an elastic ring 8 can be sleeved outside the deformation strip 6, and the elastic ring 8 is positioned at the position of the deformation strip 6, which is concave towards the axis direction of the plug-in part.

As shown in fig. 1 and 2, in other specific embodiments, the joint 2 of the sleeve body 1 is provided with a plurality of riveting structures along the length direction thereof, and the riveting structures comprise circular protruding blocks 9 arranged on one side of the joint 1 and circular grooves 10 arranged on the other side of the joint 2 and used for accommodating the circular protruding blocks 9. Through set up seam 2 on plug bush body 1 for whole plug bush body 1 can adopt the mode processing of punching press on the flat board in the in-process of processing, then coil into tubular structure, the effectual degree of difficulty of directly processing on the pipe structure that has reduced of such mode, effectual reduction in production cost. The butt joint of the two edges can be realized rapidly in a riveting mode, so that a complete tubular structure is formed.

Preferably, two ends of the plugging portion 4 are respectively provided with a riveting structure. Therefore, the riveting structures are arranged at the two ends of the plug-in part 4, so that the firmness of the plug-in part 4 is ensured, and the plug-in part 4 and the contact pin have better pressing force.

It should be noted that, in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described as different from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.

It should be appreciated that the use of "systems," "devices," "units," and/or "modules" in this disclosure is but one way to distinguish between different components, elements, parts, portions, or assemblies at different levels. However, if other words can achieve the same purpose, the word can be replaced by other expressions.

As used in the specification and in the claims, the terms "a," "an," "the," and/or "the" are not specific to a singular, but may include a plurality, unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that the steps and elements are explicitly identified, and they do not constitute an exclusive list, as other steps or elements may be included in a method or apparatus. The inclusion of an element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.

Wherein, in the description of the embodiments of the present utility model, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, in the description of the embodiments of the present utility model, "plurality" means two or more than two.

The terms "first" and "second" are used below 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

If a flowchart is used in the present utility model, the flowchart is used to describe the operations performed by a system according to an embodiment of the present utility model. It should be appreciated that the preceding or following operations are not necessarily performed in order precisely. Rather, the steps may be processed in reverse order or simultaneously. Also, other operations may be added to or removed from these processes.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the core concepts of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The plug bush of the photovoltaic connector comprises a plug bush body, wherein the plug bush body is of a tubular structure, a seam is arranged on the plug bush body along the length direction of the plug bush body, and a cable connecting part is arranged at one end of the plug bush body;

it is characterized in that the method comprises the steps of,

2. The photovoltaic connector plug of claim 1, wherein the plug body is a zirconium copper alloy material.

3. The photovoltaic connector plug of claim 2, wherein the plug body has a conductivity greater than 80% iacs.

4. A photovoltaic connector plug according to claim 3, wherein the inner walls of the deformed strips are each electroplated with a silver layer.

5. The photovoltaic connector plug of claim 1, wherein the plug body is a red copper material.

6. The photovoltaic connector plug bush of claim 5, wherein the outer part of the deformation strip is sleeved with an elastic ring;

7. The photovoltaic connector ferrule of claim 1, wherein the seam of the ferrule body is provided with a plurality of staking structures along its length;

8. The photovoltaic connector plug bush according to claim 7, wherein the two ends of the plug portion are respectively provided with one of the rivet structures.