USB photovoltaic junction box

Abstract

The utility model relates to a USB photovoltaic junction box, which comprises a box body and a cover body, a circuit board and a bus bar are arranged in the box body, one end of the bus bar is connected with the input end of the circuit board, the other end of the bus bar is used for being connected with an external photovoltaic assembly, the USB photovoltaic junction box is characterized in that the inner wall of the box body is provided with a concave clamping groove, the periphery of the cover body is provided with a clamping block opposite to the clamping groove, and the clamping block is arranged in the clamping groove. The clamping block can be clamped into the clamping groove to form clamping fit between the clamping block and the clamping groove, and a through pushing opening is formed in the box body and communicated with the clamping groove. The utility model has the following advantage and effect: the cover body can be conveniently disassembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic junction box technical field, concretely relates to a USB photovoltaic junction box. BACKGROUND

[0002] The photovoltaic junction box is used for connecting with the external photovoltaic module to transmit the electric energy generated by the photovoltaic module, and the USB photovoltaic junction box is named because of the USB interface, so that the electric device can be powered by inserting the USB plug into the interface.

[0003] For example, the Chinese patent technical document with the announcement number CN208337504U discloses a photovoltaic module and a photovoltaic junction box thereof, and the photovoltaic junction box comprises a box body, a terminal module arranged in the box body and a cover arranged on the box body, one end of the box body is provided with an inwardly protruding foolproof clamping strip, the other end is provided with an inwardly protruding limiting block, and the cover is provided with a foolproof clamping groove matched with the foolproof clamping strip.

[0004] In the above technical scheme, the structure of the box body and the cover of the photovoltaic junction box is improved to solve the problem of easy assembly error between the two, and when connecting the box body and the cover, the protrusion on the cover is clamped into the groove of the box body to realize detachable connection between the two. However, in the actual use process, it is found that when the cover is disassembled, the box body is a closed structure, and the protrusion is tightly clamped in the groove. Therefore, it is difficult to conveniently push the protrusion out of the groove, thereby causing certain inconvenience when disassembling the cover. SUMMARY

[0005] In view of the deficiencies of the prior art, the utility model aims to provide a USB photovoltaic junction box which can facilitate the disassembly of the cover.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a USB photovoltaic junction box, comprising a box body and a cover, the box body is provided with a circuit board and a bus bar, one end of the bus bar is connected with the input end of the circuit board, and the other end is used for connecting with the external photovoltaic module, characterized in that the inner wall of the box body is provided with a recessed clamping groove, the outer periphery of the cover is provided with a clamping block opposite to the clamping groove, the clamping block can be clamped into the clamping groove to form clamping cooperation between the two, and the box body is provided with a penetrating push port, and the push port is communicated with the clamping groove.

[0007] The utility model is further provided as follows: the clamping block comprises an extension part extending vertically to the cover and downwardly and a hook-shaped part used for clamping, the inner side of the box body is provided with a guide inclined surface, the guide inclined surface is located above the clamping groove, and the guide inclined surface can be coupled with the hook-shaped part.

[0008] The utility model further sets up: copper sheet is equipped in the box body, the box body is equipped with the protruding connecting column, the copper sheet is equipped with the through connecting hole, the copper sheet is connected on the connecting column through the connecting hole, the copper sheet is electrically connected with the input end of circuit board, the copper sheet is equipped with the tin block, the busbar is welded in the tin block, so as to realize busbar and circuit board electric connection.

[0009] The utility model further sets up: the box body is equipped with the protruding positioning block, the positioning block is multiple and surrounds circuit board four around, the positioning block abuts on the outer periphery of circuit board.

[0010] The utility model further sets up: the outer periphery of circuit board is equipped with the recessed positioning recess, the box body is equipped with the protruding positioning flange, the positioning flange is matched with positioning recess, and can be opposite with positioning recess.

[0011] Compared with prior art, the utility model has the beneficial effects that:

[0012] When the cover body needs to be disassembled from the box body, the tool can be inserted into the box body through the pushing opening to press the clamping block, so that the clamping block is deformed and separated from the clamping groove, and then the cover body can be disassembled, so that the technical problem that the clamping block is difficult to push out from the clamping groove when the cover body is disassembled in the prior art is solved, and the convenience of disassembling the cover body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the cross section structure schematic diagram when the box body and the cover body are connected in the utility model;

[0015] Figure 3 It is the internal structure schematic diagram of the box body in the utility model;

[0016] Figure 4 It is the specific structure schematic diagram of the cover body in the utility model;

[0017] Figure 5 It is the explosion structure schematic diagram of the utility model. DETAILED DESCRIPTION

[0018] The technical solutions of the present application will be described clearly and completely below with reference to the drawings, obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] As Figures 1 to 5 The utility model discloses a USB photovoltaic junction box, including box body 2 and cover 1, be equipped with circuit board 3 and bus bar 4 in box body 2, and one end of bus bar 4 is connected with the input end of circuit board 3, and one end is used for connecting with external photovoltaic module, and the inner wall of box body 2 is equipped with recessed clamping groove 21, and the outer periphery of cover 1 is equipped with the clamping block 5 opposite to clamping groove 21, and the clamping block 5 can be clamped into clamping groove 21 to constitute the clamping fit between both, and box body 2 is equipped with the penetration of push port 22, and push port 22 communicates with clamping groove 21, by setting push port 22 opposite to clamping groove 21 on box body 2, when needing to detach cover 1 from box body 2, tool can be inserted into box body 2 through push port 22 to press the clamping block 5, so that the clamping block 5 can be deformed, so that the clamping block 5 is separated from clamping groove 21, and then cover 1 can be detached, and the convenience of detaching cover 1 can be improved.

[0021] In the embodiment, the specific structure of the clamping block 5 includes an extension part 51 extending vertically to the cover 1 and downward, and a hook-shaped part 52 for clamping, and the inside of the box body 2 is provided with a guide inclined surface 23, which is located above the clamping groove 21, and the guide inclined surface 23 can be coupled with the hook-shaped part 52. Since the guide inclined surface 23 is provided, it gradually extends inward from top to bottom, so that an inclined angle suitable for the hook-shaped part 52 can be generated. In this way, during the process of pressing the cover 1 into the box body 2, the hook-shaped part 52 can be in contact with the guide inclined surface 23, so that under the guidance of the guide inclined surface 23, the hook-shaped part 52 can be smoothly pressed into the clamping groove 21, thereby realizing the clamping fit between the clamping block 5 and the clamping groove 21.

[0022] In the embodiment, the copper plate 6 is further arranged in the box body 2, the box body 2 is provided with protruding connecting columns 7, the copper plate 6 is provided with penetrating connecting holes 61, the copper plate 6 is sleeved on the connecting columns 7 through the connecting holes 61, and the installation position of the copper plate 6 in the box body 2 is fixed through the limiting formed between the connecting columns 7 and the connecting holes 61, so that the installation stability of the copper plate 6 in the box body 2 is ensured, and secondly, the copper plate 6 is electrically connected with the input end of the circuit board 3, the copper plate 6 is provided with tin blocks 8, and the bus bars 4 are welded on the tin blocks 8, so that the bus bars 4 are electrically connected with the circuit board 3, and thus the heat dissipation efficiency of heat generated during current transmission can be improved by arranging the copper plate 6 between the bus bars 4 and the circuit board 3.

[0023] In the embodiment, the box body 2 is provided with protruding positioning blocks 9, the positioning blocks 9 are a plurality of and surround the circuit board 3, through the arrangement of the positioning blocks 9, the positioning blocks 9 can abut against the outer periphery of the circuit board 3, so that the installation position of the circuit board 3 in the box body 2 is fixed, and the installation stability of the circuit board 3 is improved.

[0024] In addition, the positioning recesses 31 recessed inward are further arranged at the outer periphery of the circuit board 3, the box body 2 is provided with protruding positioning flanges 10, the positioning flanges 10 are matched with the positioning recesses 31 and can be opposite to the positioning recesses 31, through the arrangement of the mutually matched positioning flanges 10 and the positioning recesses 31, the positioning flanges 10 can further abut against the outer periphery of the circuit board 3 through the positioning recesses 31, so that the circuit board 3 can be further prevented from being deviated, and the installation stability of the circuit board 3 is further improved.

[0025] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and the person skilled in the art can make non-creative contribution modification according to the needs after reading the specification, but as long as the modification is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A USB photovoltaic junction box, comprising a box body and a cover body, a circuit board and a bus bar are arranged in the box body, one end of the bus bar is connected with an input end of the circuit board, and one end of the bus bar is used for being connected with an external photovoltaic module, characterized in that, The box body is provided with a recessed clamping groove, the cover body is provided with a clamping block opposite to the clamping groove, the clamping block can be clamped into the clamping groove to form clamping cooperation therebetween, the box body is provided with a penetrating push port, and the push port is communicated with the clamping groove.

2. The USB photovoltaic junction box of claim 1, wherein, The clamping block comprises an extension part extending downwardly from the vertical cover body and a hook part for clamping, the box body is provided with a guide slope inside, and the guide slope is located above the clamping groove and can be coupled with the hook part.

3. The USB photovoltaic junction box of claim 1, wherein, The box body is provided with a copper plate, the box body is provided with a protruding connecting column, the copper plate is provided with a penetrating connecting hole, the copper plate is sleeved on the connecting column through the connecting hole, the copper plate is electrically connected with an input end of the circuit board, the copper plate is provided with a tin block, and the bus bar is welded on the tin block to realize electrical connection between the bus bar and the circuit board.

4. The USB photovoltaic junction box of claim 1, wherein, The box body is provided with a protruding positioning block, the positioning block is multiple and surrounds the circuit board, and the positioning block abuts against the outer periphery of the circuit board.

5. A USB photovoltaic junction box according to claim 4, wherein, The circuit board is provided with a recessed positioning recess inwardly, the box body is provided with a protruding positioning flange, the positioning flange is matched with the positioning recess, and the positioning flange can be opposite to the positioning recess.

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