Waterproof sealing sleeve for photovoltaic module connector

Abstract

The utility model belongs to the technical field of photovoltaic module sealing, and particularly relates to a waterproof sealing sleeve for a photovoltaic module connector, which comprises a sealing sleeve body, a plurality of sealing rings are fixedly connected onto the inner wall of the sealing sleeve body, fixing bridles are sleeved outside two ends of the sealing sleeve body, the sealing sleeve body comprises a base layer, and the base layer is provided with a waterproof layer. A buffer layer is fixedly connected to the interior of the base layer, and a wear-resistant layer is fixedly connected to the side, away from the buffer layer, of the base layer. According to the utility model, through the design of the multi-layer protection structure, the connector can be ensured to keep a stable sealing state under various environmental conditions, moisture and dust are prevented from invading, the high temperature resistance and corrosion resistance of the sealing structure are improved, and thus the service life of the sealing structure is effectively ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic module sealing technical field especially relates to a waterproof seal cover for photovoltaic module connector. BACKGROUND

[0002] Solar photovoltaic technology is more and more by the public's attention and favor. Photovoltaic cell is by the material that can produce photovoltaic effect, such as silicon, gallium arsenide, selenium indium copper or other materials etc. are made, to utilize photovoltaic effect and convert light energy into electric energy. At present, the photovoltaic module that is combined by multiple photovoltaic cell units is used in large quantities, for example, photovoltaic module is applied to build power generation system, or for as building curtain wall or install on the roof of building etc.

[0003] Photovoltaic module junction box is used to realize the interconnection of photovoltaic module and external power component, so that the power output of photovoltaic module is exported. At the same time, photovoltaic module junction box is also the key connection device of photovoltaic module system, and the function of photovoltaic module junction box is to prevent hot spot effect when photovoltaic module is partially shaded. In use, photovoltaic module junction box is often fixed to photovoltaic module to carry out energy transmission work. Usually, one connector is used for one photovoltaic module.

[0004] However, the sealing structure of the existing photovoltaic module connector is relatively simple, and the high-temperature resistance and corrosion resistance of the sealing structure are poor, thereby affecting the service life of the sealing structure. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of poor high-temperature resistance and corrosion resistance of the sealing structure in the background art, and provides a waterproof seal cover for photovoltaic module connector.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A waterproof seal cover for photovoltaic module connector, comprising a seal cover body, a plurality of sealing rings are fixedly connected to the inner wall of the seal cover body, a fixed binding belt is sleeved at the outer part of both ends of the seal cover body, the seal cover body comprises a base layer, a buffer layer is fixedly connected to the inside of the base layer, and a wear-resistant layer is fixedly connected to the side of the base layer away from the buffer layer.

[0008] Preferably, the inner bottom of the seal cover body is provided with a wedge-shaped water hole.

[0009] Preferably, the middle part of the seal cover body is provided with an elastic fold.

[0010] Preferably, waterproof lips are fixedly connected to both ends of the seal cover body.

[0011] Preferably, the buffer layer is a layer of woven aramid filament fibers.

[0012] Preferably, the wear-resistant layer is a layer of silicone rubber or ethylene-propylene rubber.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, through the design of the multilayer protection structure, the connector can keep stable sealing state under various environmental conditions, and the invasion of moisture and dust is prevented, the high temperature resistance and corrosion resistance of the sealing structure are improved, and the service life of the sealing structure is effectively guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 An internal structure diagram of a waterproof sealing sleeve for a photovoltaic module connector is provided for the utility model;

[0016] Fig. 2 An external structure diagram of a waterproof sealing sleeve for a photovoltaic module connector is provided for the utility model;

[0017] Fig. 3 An internal structure diagram of a sealing sleeve body in a waterproof sealing sleeve for a photovoltaic module connector is provided for the utility model.

[0018] In the drawing: 1, sealing sleeve body, 101, base layer, 102, buffer layer, 103, wear-resistant layer, 2, sealing ring, 3, fixed harness, 4, wedge-shaped water hole, 5, stretch wrinkle, 6, waterproof lip. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0020] Referring to Figs. 1-3 A waterproof sealing sleeve for a photovoltaic module connector, including sealing sleeve body 1, the middle part of sealing sleeve body 1 is equipped with stretch wrinkle 5 to adapt to the slight deformation of the connector under the action of thermal expansion and cold shrinkage or mechanical stress, and keep sealing performance, the inner bottom of sealing sleeve body 1 is equipped with wedge-shaped water hole 4 to prevent moisture accumulation caused by accidental water, ensure that the inside of the connector always keeps dry, the both ends of sealing sleeve body 1 are fixedly connected with waterproof lip 6, prevent moisture from entering the inside from the connector port;

[0021] In this embodiment, the inner wall of the sealing sleeve body 1 is fixedly connected with a plurality of sealing rings 2, which can form multiple-point contact with the surface of the connector, providing higher sealing pressure to prevent moisture or dust from entering. The sealing sleeve body 1 is sleeved with a fixed strap 3 at both ends, which applies appropriate pressure to make the sealing sleeve tightly fit with the connector, further enhancing the sealing effect.

[0022] In this embodiment, the sealing sleeve body 1 includes a base layer 101, and the inside of the base layer 101 is fixedly connected with a buffer layer 102, which is a woven aramid filament fiber layer.

[0023] In this embodiment, the side of the base layer 101 away from the buffer layer 102 is fixedly connected with a wear-resistant layer 103, which is a silicone rubber layer or an ethylene-propylene rubber layer, having good weather resistance and being able to maintain stable performance in extreme temperature, ultraviolet radiation, and chemical corrosion environments for a long time.

[0024] In this embodiment, the design of the multi-layer protection structure can ensure that the connector maintains a stable sealing state under various environmental conditions, while preventing the intrusion of moisture and dust, improving the high-temperature resistance and corrosion resistance of the sealing structure, thereby effectively ensuring the service life of the sealing structure.

[0025] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacements or changes to the technical range disclosed in the present application according to the technical scheme and concept of the present application, which should be covered within the protection scope of the present application.

Claims

1. A waterproof sealing sleeve for a photovoltaic module connector, comprising a sealing sleeve body (1), characterized in that: A plurality of sealing rings (2) are fixedly connected to the inner wall of the sealing sleeve body (1), the outer part of both ends of the sealing sleeve body (1) is sleeved with a fixed binding belt (3), the sealing sleeve body (1) comprises a base layer (101), the inner part of the base layer (101) is fixedly connected with a buffer layer (102), and the side, away from the buffer layer (102), of the base layer (101) is fixedly connected with a wear-resistant layer (103).

2. A watertight seal for a photovoltaic module connector according to claim 1, wherein: The inner bottom of the sealing sleeve body (1) is provided with a wedge-shaped water through hole (4).

3. A watertight seal for a photovoltaic module connector according to claim 1, wherein: The middle part of the sealing sleeve body (1) is provided with an elastic fold (5).

4. A watertight seal for a photovoltaic module connector according to claim 1, wherein: The both ends of the sealing sleeve body (1) are fixedly connected with a waterproof lip (6).

5. A watertight seal for a photovoltaic module connector according to claim 1, wherein: The buffer layer (102) is a woven aramid filament fiber layer.

6. A watertight seal for a photovoltaic module connector according to claim 1, wherein: The wear-resistant layer (103) is a silicone rubber layer or an ethylene-propylene rubber layer.

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