Photovoltaic junction box convenient to fix

Abstract

The utility model relates to the field of photovoltaic technology, in particular to a photovoltaic junction box convenient to fix, which comprises a box body, an electrical element is arranged in the box body, hinge seats are symmetrically arranged on one side surface of the outer part of the box body, the hinge seats are connected with a cover plate, a buckle is arranged on one side surface of the cover plate, the buckle is connected with a lock catch, and the lock catch is connected with the box body. A wiring port is arranged outside the box body, the box body is connected with a fixing rod, and the structure of the fixing rod, a disc, a supporting block, a limiting block, an open groove, a fixing shaft, a clamping block, a clamping groove, a pressure spring, a fixing cylinder and a mounting plate is utilized, so that the problem that a traditional junction box is generally fixed at a corresponding position through silica gel, a double-sided adhesive tape or a fixing screw and is inconvenient to use is solved. The problems that the wiring box is inconvenient to disassemble, the silica gel and the double-sided adhesive tape cannot be reused after disassembly and maintenance, and the wiring box is not suitable for being used in various environments in the prior art are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to photovoltaic technology field, concretely is a kind of photovoltaic junction box convenient to fix. BACKGROUND

[0002] Photovoltaic junction box is the connector between solar cell array formed by solar cell module and solar charging control device, it is a cross-domain comprehensive design that combines electrical design, mechanical design and material science, and solar cell module junction box is very important in the composition of solar module, and the main role is to connect the power generated by solar cell with external circuit, the existing photovoltaic junction box needs to be fixed when using, then external circuit is connected with electrical element inside junction box through junction port, to realize the normal use of junction box, the conventional photovoltaic junction box needs to be fixed when using, then external circuit is connected with electrical element inside junction box through junction port, to realize the normal use of junction box.

[0003] Traditional junction box is generally fixed in corresponding position by silicone, double-sided tape or fixing screw, these fixing methods are not convenient for disassembling junction box, and silicone, double-sided tape cannot be reused after disassembling and repairing, and are not suitable for use in various environments.

[0004] Therefore, it is particularly important to design a kind of photovoltaic junction box convenient to fix to change the above technical defects and improve overall practicability. CONTENT OF UTILITY MODEL

[0005] The utility model aims at providing a kind of photovoltaic junction box convenient to fix to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of photovoltaic junction box convenient to fix, including box body, the inside of box body is equipped with electrical element, the outside of box body is equipped with hinged seat on one side face symmetry, the hinged seat is connected cover plate, the side face of cover plate is equipped with buckle, the buckle is connected lock catch, the outside of box body is equipped with junction port, the box body is connected fixed rod;

[0008] The fixed rod is connected disc, a plurality of support blocks are equipped at equal intervals on the disc, the support block is connected limit block, the inside of limit block is equipped with slot symmetry, the inside of slot is equipped with fixed shaft, the outside of fixed shaft is equipped with clamping block, the side face of clamping block is equipped with first compression spring, the clamping block is connected clamping groove, the outside of clamping block is equipped with fixed cylinder, the four corners of fixed cylinder are equipped with mounting plate, the mounting plate is equipped with mounting hole, the inside bottom end of fixed cylinder is equipped with second compression spring, the top end of second compression spring is equipped with top plate.

[0009] As the preferred scheme of the utility model, the inner side surface of the cover plate is equipped with several reinforcing ribs for increasing the hitting strength of the cover plate, and the cover plate is rotationally connected with the hinge seat.

[0010] As the preferred scheme of the utility model, the outside of the wiring port is equipped with a threaded pipe, one end of the threaded pipe is symmetrically equipped with spring sheets, and the outside of the threaded pipe is equipped with a protective sleeve.

[0011] As the preferred scheme of the utility model, four groups of supporting blocks are arranged, the fixed rod is fixedly connected with the box body, and the clamping block is rotationally connected with the fixed shaft.

[0012] As the preferred scheme of the utility model, the two ends of the first compression spring are fixedly connected with the limiting block and the clamping block respectively, and the two ends of the second compression spring are fixedly connected with the top plate and the fixed cylinder respectively.

[0013] As the preferred scheme of the utility model, the clamping grooves are symmetrically arranged on the two side walls of the fixed cylinder, and the top end of the top plate is equipped with a rubber pad.

[0014] As the preferred scheme of the utility model, the top end of the box body is equipped with a sealing groove with an opening facing upward, and the cover plate is equipped with a sealing pad adapted to the sealing groove.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] In the utility model, the fixing of the photovoltaic wiring box is facilitated, the structure of the fixing rod, the disc, the supporting block, the limiting block, the slot, the fixed shaft, the clamping block, the clamping groove, the compression spring, the fixed cylinder and the mounting plate is arranged, the limiting block is inserted into the inside of the fixed cylinder, the first compression spring is extruded by the inside side wall of the fixed cylinder to shrink, the clamping block shrinks until the clamping block is separated from the inside of the clamping groove, the limiting block is lifted by the top plate after the hand is released, the clamping block is tightly attached to the clamping groove, the position between the box body and the fixed cylinder is fixed, the conventional wiring box is generally fixed in the corresponding position by the silica gel, the double-sided adhesive or the fixed screw, these fixing methods are not convenient for the disassembly of the wiring box, the silica gel and the double-sided adhesive cannot be reused after the disassembly and maintenance, and the problems that the wiring box is not suitable for use in various environments are solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the structure diagram of the utility model as a whole;

[0018] Fig. 2 It is the schematic view of the box body assembly of the utility model as a whole;

[0019] Fig. 3The utility model discloses a structure schematic view of installing box body subassembly.

[0020] In the drawing: 1, box body;101, electrical element;102, hinged seat;103, cover plate;104, buckle;105, lock catch;106, wiring port;2, fixed rod;201, disc;202, support block;203, limiting block;204, slot;205, fixed shaft;206, clamping block;207, clamping groove;208, first compression spring;3, fixed cylinder;301, mounting plate;302, mounting hole;303, second compression spring;304, top plate. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the embodiments of the utility model. Apparently, 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 person skilled in the art without creative work fall within the protection scope of the utility model.

[0022] In order to facilitate understanding of the utility model, the utility model will be more fully described below with reference to the relevant drawings. Several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described in the present text. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0025] Embodiment, please see Figs. 1-3 The utility model provides a technical scheme:

[0026] The utility model provides a kind of photovoltaic junction box of being convenient for fixed, including box body 1, the inside of box body 1 is equipped with electrical element 101, the outside one side of box body 1 is equipped with hinged seat 102 symmetrically, hinged seat 102 connects cover plate 103, the one side of cover plate 103 is equipped with buckle 104, buckle 104 connects lock catch 105, the outside of box body 1 is equipped with wiring port 106, box body 1 is connected with fixed rod 2, fixed rod 2 connects disc 201, disc 201 is equipped with several support blocks 202 at equal intervals, support block 202 connects limit block 203, the inside of limit block 203 is equipped with slot 204 symmetrically, the inside of slot 204 is equipped with fixed shaft 205, the outside of fixed shaft 205 is equipped with clamping block 206, the one side of clamping block 206 is equipped with first compression spring 208, clamping block 206 connects clamping groove 207, the outside of clamping block 206 is equipped with fixed cylinder 3, the four corners of fixed cylinder 3 are equipped with mounting plate 301, and mounting hole 302 is equipped on mounting plate 301, the inside bottom end of fixed cylinder 3 is equipped with second compression spring 303, and the top end of second compression spring 303 is equipped with top plate 304, preliminary positioning is carried out through the mounting hole 302 of fixed cylinder 3 its four corners and is adhered to mounting position by bolt or silica gel, subsequently, limit block 203 is inserted into the inside of fixed cylinder 3, at this time, clamping block 206 is extruded by the inside side wall of fixed cylinder 3, so that first compression spring 208 shrinks, until clamping block 206 extends from the inside of clamping groove 207, at this time, the action of loosening and pressing box body 1 is released, and the top plate 304 of the bottom of limit block 203 lifts limit block 203, so that clamping block 206 and clamping groove 207 are tightly attached, at this time, the position between box body and fixed cylinder 3 is fixed, and in later period, when it is needed to open junction box and maintain or wire, clamping block 206 is separated from clamping groove 207 by pressing box body 1, and it can be opened by pressing closed clamping groove 207 and lifting box body 1, and it can be reassembled after maintenance and wiring are completed, the electrical element 101 in the inside of box body 1 is connected with external cable through wiring port 106, and threaded tube and protective sleeve are equipped outside wiring port, to ensure that connection is stable and prevent dust and accidental damage, when it is needed to close junction box, cover plate 103 is rotatably connected with box body 1 through hinged seat 102, and buckle 104 and lock catch 105 are locked in cooperation, wherein the connection mode of buckle 104 and lock catch 105 is existing conventional connection mode, so the principle is not described in detail, and the sealing gasket of the inside of cover plate 103 and the sealing groove of the top end of box body 1 are tightly attached, to effectively prevent dust and moisture from entering the inside of box body 1, and protect the safe operation of electrical element 101;

[0027] The inner side of the cover plate 103 is provided with a plurality of reinforcing ribs for increasing the impact resistance of the cover plate 103, the cover plate 103 is rotatably connected with the hinge seat 102, the sealing between the cover plate 103 and the box body 1 is facilitated, the outside of the wiring port 106 is provided with a threaded pipe, the threaded pipe is symmetrically provided with spring sheets at one end, the outside of the threaded pipe is provided with a protective sleeve, dust is prevented from entering between the connecting wire and the wiring port 106 or the connecting wire is prevented from being accidentally damaged, the support block 202 is provided with four groups, the fixed rod 2 is fixedly connected with the box body 1, the clamping block 206 is rotatably connected with the fixed shaft 205, the clamping block 206 can be rotated, the clamping block 206 is conveniently inserted into or taken out of the fixed cylinder, the two ends of the first compression spring 208 are fixedly connected with the limiting block 203 and the clamping block 206 respectively, the two ends of the second compression spring 303 are fixedly connected with the top plate 304 and the fixed cylinder 3 respectively, the position between the clamping block and the clamping groove is controlled through the contraction of the two compression springs, the box body 1 is conveniently disassembled, the clamping grooves 207 are symmetrically arranged on the two side walls of the fixed cylinder 3, the top end of the top plate 304 is provided with a rubber pad, the limiting block is conveniently protected, the top end of the box body 1 is provided with a sealing groove with an opening facing upward, the cover plate 103 is provided with a sealing pad adapted to the sealing groove, and dust is prevented from entering the inside of the box body 1 or the inside of the box body 1 from being damp.

[0028] The utility model discloses a working procedure: when using the fixed photovoltaic junction box, first, the fixed cylinder 3 is positioned through the mounting hole 302 of the four corners and is bonded to the installation position through the bolt or silica gel, then the limiting block 203 is inserted into the inside of the fixed cylinder 3, at this time, the clamping block 206 is extruded by the inside side wall of the fixed cylinder 3, so that the first compression spring 208 is contracted, until the clamping block 206 is stretched out from the inside of the clamping groove 207, at this time, the action of pressing down the box body 1 is released, the top plate 304 at the bottom of the limiting block 203 lifts the limiting block 203, so that the clamping block 206 and the clamping groove 207 are tightly fitted, at this time, the position between the box body and the fixed cylinder 3 is fixed, when it is needed to open the junction box for maintenance or wiring in the later period, the clamping block 206 is separated from the clamping groove 207 by pressing down the box body 1, the closed clamping groove 207 is pressed, and the box body 1 can be lifted, after the maintenance and wiring are completed, the box body 1 can be reassembled, the electrical element 101 in the box body 1 is connected with the external cable through the wiring port 106, the threaded pipe and the protective sleeve are arranged outside the wiring port, the connection is stable, and dust and accidental damage are prevented, when it is needed to close the junction box, the cover plate 103 is rotatably connected with the box body 1 through the hinge seat 102, the buckle 104 and the lock catch 105 are locked, the connection mode of the buckle 104 and the lock catch 105 is the existing conventional connection mode, so the principle is not described in detail, meanwhile, the sealing pad in the inside of the cover plate 103 and the sealing groove at the top end of the box body 1 are tightly fitted, dust and moisture are prevented from entering the inside of the box body 1, and the safe operation of the electrical element 101 is protected.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A junction box for photovoltaics, which is easy to fix, comprising a box body (1), characterized in that: The inside of the box (1) is provided with electrical elements (101), the outside of the box (1) is symmetrically provided with a hinged seat (102), the hinged seat (102) is connected with a cover plate (103), one side of the cover plate (103) is provided with a buckle (104), the buckle (104) is connected with a lock buckle (105), the outside of the box (1) is provided with a wiring port (106), and the box (1) is connected with a fixed rod (2); The fixed rod (2) is connected with a disc (201), a plurality of support blocks (202) are arranged at equal intervals on the disc (201), the support blocks (202) are connected with limiting blocks (203), the inside of the limiting blocks (203) is symmetrically provided with a slot (204), the inside of the slot (204) is provided with a fixed shaft (205), the outside of the fixed shaft (205) is provided with a clamping block (206), one side of the clamping block (206) is provided with a first compression spring (208), the clamping block (206) is connected with a clamping groove (207), the outside of the clamping block (206) is provided with a fixed cylinder (3), the four corners of the fixed cylinder (3) are provided with mounting plates (301), the mounting plates (301) are provided with mounting holes (302), the inside bottom end of the fixed cylinder (3) is provided with a second compression spring (303), and the top end of the second compression spring (303) is provided with a top plate (304).

2. A junction box for photovoltaic applications according to claim 1, characterized in that: The inside of the cover plate (103) is provided with a plurality of reinforcing ribs for increasing the impact resistance of the cover plate (103), and the cover plate (103) and the hinged seat (102) are rotatably connected.

3. A junction box for photovoltaic applications according to claim 1, characterized in that: The outside of the wiring port (106) is provided with a threaded pipe, one end of the threaded pipe is symmetrically provided with a spring sheet, and the outside of the threaded pipe is provided with a protective sleeve.

4. The easily mountable junction box for photovoltaic applications as claimed in claim 1 wherein: The support blocks (202) are arranged in four groups, the fixed rod (2) and the box (1) are fixedly connected, and the clamping block (206) and the fixed shaft (205) are rotatably connected.

5. The easily mountable junction box for photovoltaic applications as claimed in claim 1 wherein: The two ends of the first compression spring (208) are fixedly connected with the limiting block (203) and the clamping block (206) respectively, and the two ends of the second compression spring (303) are fixedly connected with the top plate (304) and the fixed cylinder (3) respectively.

6. A junction box for photovoltaic applications according to claim 1, characterized in that: The clamping grooves (207) are symmetrically arranged on the two side walls of the fixed cylinder (3), and the top end of the top plate (304) is provided with a rubber pad.

7. The easily mountable junction box for photovoltaic applications as claimed in claim 1 wherein: The top end of the box (1) is provided with a sealing groove with an opening facing upward, and the cover plate (103) is provided with a sealing pad adapted to the sealing groove.

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