Photovoltaic power generation assembly junction box

Abstract

The utility model provides a photovoltaic power generation assembly junction box, which belongs to the technical field of photovoltaic power generation assembly junction boxes and comprises a junction box main body, sealing grooves are arranged on the periphery of the top end of the junction box main body, a top cover is arranged above the junction box main body, sealing strips are embedded on the periphery of the front surface of the top cover, and the sealing strips are matched with the sealing grooves. Through the arrangement of the sealing strip, when the top cover and the junction box main body are closed, the sealing strip always moves towards the interior of the sealing groove through the elastic force of the first spring, so that the sealing performance after the top cover and the junction box main body are closed is improved, and meanwhile, when the sealing strip is in contact with the bottom surface of the inner wall of the sealing groove, the sealing performance is improved because the concave-shaped sealing strip and the sealing groove have double binding surfaces. Therefore, the sealing groove and the sealing strip have dual sealing performance, and the sealing performance between the top cover and the junction box main body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic power generation assembly terminal box technical field, especially in kind photovoltaic power generation assembly terminal box. BACKGROUND

[0002] Photovoltaic power generation is a kind of technology using the photovoltaic effect of semiconductor interface to convert light energy into electric energy directly. It is mainly composed of solar panel (assembly), controller and inverter three parts, and main components are composed of electronic components. Solar cell is encapsulated after series connection to form large-area solar cell assembly, and then cooperate with power controller and other components to form photovoltaic power generation device, and the terminal box is needed when splicing photovoltaic power generation.

[0003] And the existing photovoltaic power generation assembly terminal box in the use process, the top cover of terminal box and terminal box mostly sealed by sealing strip, and sealing strip aging is easy to produce gap between terminal box after long time use, leading to insufficient sealing, and the wire inlet outside terminal box is mostly plane setting, and external wire is easy to cause gap between wire inlet after bending and stretching, leading to rain or moisture into terminal box;

[0004] Therefore, the photovoltaic power generation assembly terminal box is provided to meet the needs. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the problems in the above background art and provides a photovoltaic power generation assembly terminal box.

[0006] The utility model solves the technical problem to provide a photovoltaic power generation assembly terminal box to solve the problem of insufficient sealing of the existing photovoltaic power generation assembly terminal box.

[0007] To solve the above technical problems, the utility model provides the following technical scheme:

[0008] A photovoltaic power generation assembly terminal box, comprising: a terminal box body, a sealing groove is formed around the top end of the terminal box body, a top cover is arranged above the terminal box body, a sealing strip is embedded around the front surface of the top cover, the sealing strip is matched with the sealing groove, a first spring is arranged between the sealing strip and the top cover, a wire inlet pipe is embedded at the front and rear ends of the left and right sides of the terminal box body, and a sealing ring is embedded at the inner wall of the wire inlet pipe.

[0009] Preferably, the sealing strip is in the shape of a "concave" away from the top cover.

[0010] Preferably, the wire inlet pipe and the sealing ring are fixedly connected with a second spring arranged in a ring shape at equal distances.

[0011] Preferably, the sealing ring is in the shape of a circular truncated cone with the side away from the inner wall of the inlet tube being inclined.

[0012] Preferably, the inner wall of the junction box body is fixedly connected with a partition plate in the middle, and the partition plate is made of fireproof material.

[0013] Preferably, the inner wall of the junction box body is fixedly connected with a support frame at the front end and the rear end, and the inner wall of the support frame is embedded with movable clamping plates at the front end and the rear end, and the movable clamping plates and the support frame are fixedly connected with third springs arranged longitudinally and equidistantly.

[0014] Preferably, the inner wall of the junction box body is fixedly connected with storage boxes at the front end and the rear end of the bottom end, and the storage boxes are fixedly connected with moisture-proof sheets arranged transversely and equidistantly, and the moisture-proof sheets are in the shape of a wave.

[0015] Compared with the prior art, the utility model has at least the following beneficial effects:

[0016] In the above scheme, when the top cover and the junction box body are closed, the sealing strip will always move into the sealing groove by the elastic force of the first spring, thereby increasing the sealing property after the top cover and the junction box body are closed, and when the sealing strip contacts the bottom surface of the inner wall of the sealing groove, the concave-shaped sealing strip can have double sticking surfaces with the sealing groove, so that the sealing groove and the sealing strip have double sealing property, thereby increasing the sealing property between the top cover and the junction box body.

[0017] In the above scheme, when the external wire enters the junction box body through the inlet tube, the sealing rings on the two sides of the inner wall of the inlet tube will always closely adhere to the outside of the wire by the elastic force of the second spring, thereby increasing the sealing property between the inlet tube and the wire, and the gap generated by the bending of the wire under external force and the bending of the inlet tube can pull the sealing ring to extrude the second spring to adjust the curvature of the external wire, thereby effectively increasing the sealing property between the inlet tube and the wire. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings incorporated herein and forming part of the specification illustrate embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and to enable one skilled in the relevant art to practice and use the present disclosure.

[0019] Figure 1 It is a schematic diagram of the overall structure in the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the junction box body in the utility model;

[0021] Figure 3 It is a schematic diagram of the cross-sectional structure of the top cover in the utility model;

[0022] Figure 4 It is the cross section structure schematic view of the wire inlet pipe in the utility model;

[0023] Figure 5 It is the A place enlarged structure schematic view of the utility model. Figure 2

[0024] [Reference signs]

[0025] The junction box main body 1, the sealing groove 101, the top cover 102, the sealing strip 103, the first spring 104, the partition plate 105, the wire inlet pipe 2, the sealing ring 201, the second spring 202, the support frame 3, the movable clamping plate 301, the third spring 302, the storage box 4, the moisture-proof sheet 401.

[0026] As shown in the drawings, in order to clearly realize the structure of the embodiments of the utility model, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the utility model in the specific structure, device and environment, and the devices and environment can be adjusted or modified by the ordinary skilled in the art according to the specific needs. DETAILED DESCRIPTION

[0027] 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] As Figure 1 , Figure 2 , Figure 3 and Figure 4 ​The utility model provides an photovoltaic power generation assembly junction box, the utility model provides, including: junction box main part 1, the top of junction box main part 1 all is equipped with sealing groove 101 around, the top of junction box main part 1 is provided with top cover 102, the front of top cover 102 all is embedded with sealing strip 103 around, sealing strip 103 with sealing groove 101 is matched setting, sealing strip 103 with top cover 102 between being provided with first spring 104, the left and right sides of junction box main part 1 front and back both ends all are embedded with wire inlet pipe 2, the inner wall left and right sides of wire inlet pipe 2 all are embedded with sealing ring 201,

[0030] When top cover 102 with junction box main part 1 close, sealing strip 103 will pass through the elastic force of first spring 104 always move to sealing groove 101, to increase the sealing property after top cover 102 with junction box main part 1 close.

[0031] In the embodiment, as Figures 2-5 As shown in the figure,

[0032] Sealing strip 103 cross section far from the side of top cover 102 to the side of top cover 102 "concave" shape,

[0033] When sealing strip 103 contact sealing groove 101 inner wall bottom, because the concave sealing strip 103 can with sealing groove 101 have double adhesion surface, make sealing groove 101 with sealing strip 103 between having double sealing property, to increase the sealing property between top cover 102 with junction box main part 1,

[0034] Wire inlet pipe 2 with sealing ring 201 between fixed connection has the second spring 202 of annular equidistance arrangement, sealing ring 201 far from wire inlet pipe 2 inner wall one side cross section to the inner wall one side of wire inlet pipe 2 inclined circular truncated cone shape,

[0035] When external wire passes through wire inlet pipe 2 and enters junction box main part 1, the sealing ring 201 of wire inlet pipe 2 inner wall both sides will pass through the elastic force of second spring 202 always closely adhere to the outside of wire, increase the sealing property between wire inlet pipe 2 with wire, and when wire enters the sealing ring 201 in wire inlet pipe 2, can be wide narrow, to facilitate wire to enter wire inlet pipe 2,

[0036] The inner wall middle part of junction box main part 1 is fixedly connected with the partition 105, and the partition 105 is made of fireproof material.

[0037] Partition 105 can form separation to the inside both sides of junction box main part 1, so that the wiring area of the inside both sides of junction box main part 1 is damaged short circuit fire on one side, and the wire of the wiring of the other side is not easy to damage, so as to have certain protection.

[0038] The inner front and rear ends of the junction box body 1 are fixedly connected with support frames 3, the inner walls of the support frames 3 are embedded with movable clamping plates 301 on the front and rear sides, and the movable clamping plates 301 and the support frames 3 are fixedly connected with third springs 302 arranged longitudinally and equidistantly;

[0039] When the electric wire is inserted into the junction box body 1, the electric wire can be placed in the support frame 3, and the movable clamping plates 301 on the inner walls of the support frame 3 can always tightly adhere to the two sides of the electric wire through the elastic force of the third springs 302, so as to support and fix the electric wire inserted into the junction box body 1.

[0040] The inner front and rear ends of the junction box body 1 are fixedly connected with support frames 3, the inner walls of the support frames 3 are embedded with movable clamping plates 301 on the front and rear sides, and the movable clamping plates 301 and the support frames 3 are fixedly connected with third springs 302 arranged longitudinally and equidistantly;

[0041] When the moisture enters the junction box body 1 in the humid season, the moisture can be adsorbed through the moisture-proof sheets 401 in the storage boxes 4, and the wave-shaped moisture-proof sheets 401 can increase the adsorption of the moisture, so that the inside of the junction box body 1 is not easy to be damp.

[0042] The utility model discloses any in the essence and range of the utility model makes the alternative, modification, equivalent method and scheme of doing. In order to make the public to the utility model have thorough understanding, in the following utility model preferred embodiment, the specific details are explained in detail, and the description of these details can also be completely understood the utility model for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, well-known methods, processes, procedures, elements and circuits etc. are not described in detail.

[0043] The above only is the preferred implementation mode of the utility model, should point out, for ordinary skill in the art of the present technology, under the premise that does not depart from the principle of the utility model, still can make a number of improvements and refinements, these improvements and refinements also should be viewed as the protection range of the utility model.

Claims

1. A photovoltaic power module junction box, characterized by, Include: The junction box body (1), the top end of the junction box body (1) is provided with a sealing groove (101) around, the upper of the junction box body (1) is provided with a top cover (102), the front of the top cover (102) is embedded with a sealing strip (103) around, the sealing strip (103) and the sealing groove (101) are matched, the first spring (104) is arranged between the sealing strip (103) and the top cover (102), the left and right sides of the junction box body (1) are embedded with a wire inlet pipe (2) at the front and back ends, the inner wall of the wire inlet pipe (2) is embedded with a sealing ring (201) on the left and right sides.

2. A photovoltaic power module junction box according to claim 1, characterized in that: The cross section of the sealing strip (103) is away from the top cover (102) side to the side of the "concave" shape away from the top cover (102).

3. A photovoltaic power module junction box according to claim 1, wherein: The second spring (202) is fixedly connected between the wire inlet pipe (2) and the sealing ring (201) and arranged in a ring shape.

4. The photovoltaic power module junction box of claim 1, wherein: The cross section of the sealing ring (201) is away from the inner wall of the wire inlet pipe (2) side to the side of the inclined circular cone shape away from the inner wall of the wire inlet pipe (2).

5. The photovoltaic power module junction box of claim 1, wherein: The inner wall of the junction box body (1) is fixedly connected with a partition (105) in the middle, and the partition (105) is made of fireproof material.

6. The photovoltaic power module junction box of claim 1, wherein: The inner wall of the junction box body (1) is fixedly connected with a support frame (3) at the front and back ends, the inner wall of the support frame (3) is embedded with a movable clamping plate (301) at the front and back sides, and the movable clamping plate (301) and the support frame (3) are fixedly connected with a third spring (302) arranged in a longitudinal direction.

7. The photovoltaic power module junction box of claim 1, wherein: The inner wall of the junction box body (1) is fixedly connected with a storage box (4) at the front and back ends of the bottom end, the inside of the storage box (4) is fixedly connected with a moisture-proof sheet (401) arranged in a horizontal direction, and the cross section of the moisture-proof sheet (401) is in a wave shape.

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