Solar junction box convenient to overhaul

Abstract

The utility model provides a solar junction box convenient for maintenance, which relates to the technical field of junction boxes, and comprises a box bottom and a box cover, and two wiring terminals are symmetrically and fixedly connected on the front side wall of the box bottom; the sliding holes are formed in the box cover, the sliding columns are arranged in the sliding holes in a sliding mode, the disassembling and assembling assemblies are arranged on the top of the box bottom and the box cover, and the box cover is detachably installed on the top of the box bottom through the disassembling and assembling assemblies, the sliding holes formed in the box cover are aligned with the sliding columns, and in the sliding process of the sliding columns in the sliding holes, the inclined faces of the inclined face clamping blocks slidably installed in the first sliding grooves through first springs are subjected to acting force of the sliding columns; through the decomposition of the force, the inclined plane clamping block is subjected to the acting force towards the direction of the sliding groove I, and the inclined plane clamping block compresses the spring I to slide towards the interior of the sliding groove I under the action of the force, so that the sliding column can smoothly slide in the sliding hole until the box bottom is completely covered by the box cover, and therefore, the quick disassembly and assembly function of the device is realized, and the convenience of the device is improved; and the disassembly and assembly difficulty is reduced, and maintenance is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of junction boxes, in particular to a solar junction box which is easy to repair. Background Art

[0002] The photovoltaic junction box is a connection device between the solar cell array and the solar charging control device. It is very important in the composition of the solar panel. It is mainly used to connect the power generated by the solar cell to the external circuit and conduct the current generated by the photovoltaic panel. In order to ensure the efficiency of the photovoltaic junction box assembly and the effect of current conduction, it is very necessary to make it easy to install.

[0003] However, in the prior art, most existing photovoltaic junction boxes use a snap-fit ​​method to connect and fix the bottom and cover of the box. This method is not only inconvenient to open the snap-fit ​​during maintenance, but also prone to deformation, bending, or even breaking after repeated use. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and provide a solar junction box that is easy to repair.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a solar junction box that is easy to maintain, including a box bottom and a box cover, two terminal terminals are symmetrically fixedly connected on the front side wall of the box bottom; a disassembly assembly is arranged on the top of the box bottom and the box cover, and the box cover can be removably installed on the top of the box bottom through the disassembly assembly.

[0006] As a preferred embodiment, the disassembly and assembly component includes two slide posts, which are symmetrically fixed on the left and right sides of the top of the box bottom, and a sliding hole that matches the shape of the slide post is opened through the top of the box cover.

[0007] As a preferred embodiment, a snap-fit ​​assembly is provided in the box cover, which includes a beveled card block. A slide groove 1 adapted to the shape of the beveled card block is provided in the box cover, the slide groove 1 is connected to the slide hole, a spring 1 is fixedly installed in the slide groove 1, and the beveled card block is fixedly installed on one end of the spring 1 close to the slide hole.

[0008] As a preferred embodiment, a slot matching the shape of the inclined surface block is provided on the surface of the sliding column.

[0009] As a preferred embodiment, a pick is fixedly installed on one side of the inclined block connected to the spring 1, and a sliding groove 2 that matches the shape of the pick is opened on the top of the box cover.

[0010] As a preferred embodiment, a sliding plate is slidably installed on the sliding column, and a spring 2 is sleeved on the surface of the sliding column at the top of the box bottom and the bottom of the sliding plate. The top end of the spring 2 is fixedly connected to the top of the box bottom, and the top end of the spring 2 is fixedly connected to the bottom of the sliding plate.

[0011] As a preferred embodiment, a heat dissipation slot is provided on the front side of the box bottom.

[0012] As a preferred embodiment, dustproof nets are installed inside the heat dissipation slots.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] The utility model provides a disassembly and assembly component, aligning the sliding hole on the box cover with the sliding post. During the sliding post sliding in the sliding hole, the inclined surface of the inclined clamping block installed in the sliding groove through the spring is subjected to the force given by the sliding post. Through the decomposition of the force, it can be known that the inclined clamping block is subjected to the force in the direction of the sliding groove. Under the action of the force, the inclined clamping block compresses the spring and slides toward the sliding groove, so that the sliding post can slide smoothly in the sliding hole until the box cover is completely covered on the box bottom. At this time, the inclined clamping block just corresponds to the opening on the sliding post. The box cover is slid upward along the slide post so that the box cover can be removed from the box bottom, thereby realizing the quick disassembly and assembly function of the device, improving the convenience of the device, reducing the difficulty of disassembly and assembly, and facilitating maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic exploded view of the overall structure of a solar junction box that is easy to maintain provided by the utility model.

[0016] Figure 2 The utility model provides a schematic diagram of the overall structure of a solar junction box that is easy to repair.

[0017] Figure 3 The utility model provides a schematic cross-sectional structure diagram of a solar junction box that is easy to repair.

[0018] Figure 4 for Figure 3 A magnified schematic diagram of the structure in the middle.

[0019] Legend:

[0020] 1. Box bottom; 2. Box cover; 3. Disassembly and assembly components; 31. Slide column; 32. Slide hole; 33. Spring 2; 34. Snap-on assembly; 341. Inclined clamp; 342. Slide slot 1; 343. Spring 1; 344. Slot; 345. Paddle; 346. Slide slot 2; 35. Slide; 4. Terminal; 5. Heat sink; 6. Dust screen. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1

[0023] like Figure 1-4 As shown, the utility model provides a technical solution: a solar junction box that is easy to maintain, including a box bottom 1 and a box cover 2, two terminal blocks 4 are symmetrically fixedly connected to the front side wall of the box bottom 1; a disassembly assembly 3 is provided on the top of the box bottom 1 and the box cover 2, and the box cover 2 can be detachably mounted on the top of the box bottom 1 through the disassembly assembly 3. The junction box consists of three parts: a box body, a cable and a connector; the box body includes: a box bottom 1 (including copper terminal blocks or plastic terminal blocks), a box cover 2 and a diode.

[0024] Furthermore, a heat dissipation slot 5 is provided on the front side of the box bottom 1 .

[0025] It should be noted that the heat emitted by the metal parts can be conducted to the outside of the box bottom 1 through the heat dissipation grooves 5, which effectively improves the heat dissipation performance of the device.

[0026] Furthermore, a dustproof net 6 is installed inside the heat dissipation slots 5 .

[0027] It should be noted that the dustproof net 6 is provided to prevent dust from entering the interior of the heat dissipation slot 5 .

[0028] In this embodiment, the disassembly and assembly component 3 includes two slide posts 31, and the two slide posts 31 are symmetrically fixed on the left and right sides of the top of the box bottom 1. A slide hole 32 that matches the shape of the slide post 31 is opened through the top of the box cover 2. A clamping component 34 is provided in the box cover 2. The clamping component 34 includes an inclined surface block 341. A slide groove 342 that matches the shape of the inclined surface block 341 is opened in the box cover 2. The slide groove 342 is connected to the slide hole 32, and a spring 343 is fixed in the slide groove 342. The inclined surface block 341 is fixed. The cam 342 is pressed against the top of the cam 343 and the cam 344 is pressed against the top of the cam 343 to release the cam 345. The inclined surface is subjected to the force exerted by the slide post 31. By decomposing the force, it can be known that the inclined surface block 341 is subjected to the force exerted in the direction of the slide groove 1 342. Under the action of the force, the inclined surface block 341 compresses the spring 1 343 and slides into the slide groove 1 342, so that the slide post 31 can slide smoothly in the slide hole 32 until the box cover 2 is completely covered on the box bottom 1. At this time, the inclined surface block 341 just corresponds to the position of the slot 344 opened on the slide post 31. Under the action of the spring 1 343, the inclined surface block 341 rebounds and is engaged in the slot 344 The box cover 2 is fixed on the top of the box bottom 1. When the box cover 2 needs to be removed, the paddle 345 is toggled, and the paddle 345 slides in the second slide groove 346, driving the inclined block 341 to compress the spring 1 343 and slide into the slide groove 1 342. The slide post 31 is no longer clamped in the slide hole 32, and the box cover 2 is slid upward along the slide post 31, so that the box cover 2 can be removed from the box bottom 1, thereby realizing the quick disassembly and assembly function of this device, improving the convenience of this device, reducing the difficulty of disassembly and assembly, and facilitating maintenance.

[0029] Example 2

[0030] like Figure 1-4When the cam 33 is in the unlock state, the locking cam 33 is in the unlock state, and the locking cam 33 is in the unlock state, so that the cam 33 can slide smoothly in the unlock state, and the lock cam 33 is locked. When the cam 33 is in the unlock position, the latch 343 is engaged with the latch 344 and the latch 345 is engaged with the latch 346, thereby loosening the locking cam 341 and loosening the locking cam 346. When the cam 33 is unlocked, the latch 343 is engaged with the latch 346 and the locking cam 346 is engaged with the latch 346, thereby loosening the locking cam 341 and loosening the locking cam 346.

[0031] Working principle:

[0032] The sliding hole 32 on the box cover 2 is aligned with the sliding post 31. When the sliding post 31 slides in the sliding hole 32, the sliding piece 35 and the spring 2 33 are pressed down. When the box cover 2 is completely covered on the box bottom 1, the inclined block 341 at this time just corresponds to the position of the card slot 344 on the sliding post 31. Under the action of the spring 1 343, the inclined block 341 rebounds and is connected to the card slot 344, so that the box cover 1 is fixed on the top of the box bottom 2. When the box cover 2 needs to be removed, the paddle 345 is toggled in the slide slot 2. The lock 346 is pressed down, and the lock 347 is pressed down, so that the lock 348 is locked. The lock 348 is pressed down, and the lock 348 is locked. The lock 348 is pressed down, and the lock 348 is locked.

[0033] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A solar junction box that is easy to repair, comprising a box bottom (1) and a box cover (2), characterized in that: Two wiring terminals (4) are symmetrically fixedly connected to the front side wall of the box bottom (1); A disassembly assembly (3) is provided on the top of the box bottom (1) and the box cover (2); the box cover (2) is detachably mounted on the top of the box bottom (1) through the disassembly assembly (3); the disassembly assembly (3) comprises two slide posts (31); the two slide posts (31) are symmetrically fixedly mounted on the left and right sides of the top of the box bottom (1); a slide hole (32) having a shape matching that of the slide posts (31) is provided through the top of the box cover (2).

2. The solar junction box that is easy to maintain according to claim 1, characterized in that: A snap-fit ​​assembly (34) is provided in the box cover (2), and the snap-fit ​​assembly (34) includes an inclined clamping block (341). A slide groove (342) that matches the shape of the inclined clamping block (341) is provided in the box cover (2), and the slide groove (342) is connected to the slide hole (32). A spring (343) is fixedly installed in the slide groove (342), and the inclined clamping block (341) is fixedly installed at one end of the spring (343) close to the slide hole (32).

3. The solar junction box that is easy to maintain according to claim 2, characterized in that: The surface of the sliding column (31) is provided with a clamping groove (344) that matches the shape of the inclined clamping block (341).

4. The solar junction box that is easy to maintain according to claim 3, characterized in that: A paddle (345) is fixedly mounted on one side of the inclined surface block (341) connected to the first spring (343), and a second slide groove (346) having a shape matching that of the paddle (345) is provided on the top of the box cover (2).

5. The solar junction box that is easy to maintain according to claim 4, characterized in that: A slide plate (35) is slidably mounted on the slide column (31), and a second spring (33) is sleeved on the surface of the slide column (31) at a position between the top of the box bottom (1) and the bottom of the slide plate (35). The top end of the second spring (33) is fixedly connected to the top of the box bottom (1), and the top end of the second spring (33) is fixedly connected to the bottom of the slide plate (35).

6. The solar junction box that is easy to maintain according to claim 2, characterized in that: A heat dissipation slot (5) is provided on the front side of the box bottom (1).

7. The solar junction box that is easy to maintain according to claim 6, characterized in that: A dustproof net (6) is installed inside the heat dissipation slots (5).

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