CN211018758U

CN211018758U - Quick assembly's photovoltaic termination

Info

Publication number: CN211018758U
Application number: CN202020066997.1U
Authority: CN
Inventors: 章高魁
Original assignee: Ningbo Pntech New Energy Co ltd
Current assignee: Ningbo Pntech New Energy Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-07-14
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a rapid Assembly's photovoltaic termination, including terminal box body and terminal box lid, the terminal box body includes bottom plate and box wall, box wall and bottom plate enclose synthetic holding storehouse, be provided with the mounting panel in the holding storehouse, be provided with clamping mechanism on the box wall, clamping mechanism is including seting up the joint hole on the box wall, sliding connection has the joint strip in the joint hole, joint strip one end is passed the joint hole and is stretched out the holding storehouse, the other end passes in the joint hole gets into the holding storehouse and is connected with the joint piece, the joint groove that supplies the mounting panel to get into is seted up towards the one end at holding storehouse center to the joint piece, the joint piece is used for fixed mounting panel, it is equipped with reset spring still to overlap on the joint strip, reset spring's one end and joint piece are connected, the other end and box wall connection, be provided with the extrusion piece on the just right inner wall in joint hole. The utility model has the advantages of be convenient for install, improved the installation effectiveness.

Description

Quick assembly's photovoltaic termination

Technical Field

The utility model relates to a photovoltaic energy application, in particular to quick assembly's photovoltaic termination.

Background

The solar photovoltaic wiring device is mainly used for connecting and protecting a solar photovoltaic module, connecting electric power generated by a solar cell with an external circuit and conducting current generated by the photovoltaic module.

At present, chinese patent publication No. CN203554381U discloses a fast-assembling photovoltaic junction device, which includes a box body with the bottom fixed to a photovoltaic cell panel, and the top of the box body has an opening to form a containing chamber in the box body; and the side wall of the junction box cover is coated on the outer side of the box body and is used for being fixed on the photovoltaic cell panel after the accommodating bin is covered, so that the accommodating bin forms a sealed accommodating cavity.

Although this patent makes things convenient for technical staff to overhaul internal component, its structure is very inconvenient when the installation, needs to weld in the box body, and operating space is little, is subject to narrow space, and the installation effectiveness is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rapid Assembly's photovoltaic termination, it has the installation of being convenient for and dismantles, has improved the advantage of installation effectiveness.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a photovoltaic junction device capable of being rapidly assembled comprises a junction box body and a junction box cover, wherein the junction box body comprises a bottom plate and box walls, the bottom plate and the box walls are enclosed into a containing bin, two pairs of positioning convex strips are arranged on one surface, facing the containing bin, of the box walls, each pair of positioning convex strips are arranged just opposite to each other, a detachable mounting plate is further arranged in the containing bin and used for fixing an electronic element, a positioning groove for inserting the positioning convex strips is formed in the mounting plate, a clamping mechanism is further arranged on the box walls,

the clamping mechanism comprises a clamping hole formed in the box wall, a clamping strip is connected in the clamping hole in a sliding mode, one end of the clamping strip penetrates through the clamping hole and extends out of the accommodating bin, the other end of the clamping strip penetrates through the clamping hole and enters the accommodating bin and is connected with a clamping block, a clamping groove for the installation plate to enter is formed in one end, facing the center of the accommodating bin, of the clamping block, the clamping block is used for fixing the installation plate, a cushion block is arranged at the bottom of the installation plate and used for enabling the installation plate to be opposite to the clamping groove, a reset spring is further sleeved on one end, extending into the accommodating bin, of the clamping strip, one end of the reset spring is connected with the clamping block, the other end of,

the junction box cover is used for covering and establishing on the junction box body, be provided with the extrusion piece on the junction box cover with the just right inner wall in joint hole, the extrusion piece is seted up for the inclined plane towards the one end of box wall, the extrusion piece is arranged in pressing the joint strip to the mounting panel and makes the mounting panel get into the joint groove, when the extrusion piece is not contradicted with the joint strip, the joint piece not with the mounting panel contact just reset spring is in free state.

Through adopting above-mentioned technical scheme, because the mounting panel can be dismantled and connect in the holding storehouse, so can take out the mounting panel when welding electronic component the back welding, after the completion of welding again put into the holding storehouse along the location sand grip with the mounting panel and carry out the prepositioning, then cover the terminal box lid, when the terminal box lid moves to the terminal box body, the extrusion piece presses the joint strip to inside the holding storehouse, the joint piece makes the border of mounting panel insert the joint inslot to fix to the mounting panel motion, high durability and convenient installation, need not to accomplish the weldment work in narrow and small terminal box body, dismantle the messenger in needs, only need open the terminal box lid, the mounting panel is kept away from to the joint piece under reset spring effect, the mounting panel just can directly be taken out from the holding storehouse, convenient to overhaul or.

Further setting: the notch position in joint groove has seted up the guide inclined plane, the guide inclined plane is used for guiding the mounting panel to get into the joint groove.

Through adopting above-mentioned technical scheme, the border that sets up the guide mounting panel of guide inclined plane gets into the joint inslot, has avoided mounting panel and joint piece to misplace a little and lead to the screens to be difficult to fix.

Further setting: one end of the clamping strip, which extends out of the accommodating bin, is provided with an inclined plane matched with the extrusion block.

Through adopting above-mentioned technical scheme, the one end that the joint strip stretches out the holding storehouse is opened and is established to the inclined plane, cooperatees with the inclined plane of extrusion piece, has witnessed the frictional force, reduces the resistance that the joint strip got into the storage tank, and the installation of being convenient for is fixed.

Further setting: the junction box comprises a junction box cover and is characterized in that a fixing edge is convexly extended on the outer wall of the junction box cover, an elastic buckle is fixed on one surface of the fixing edge facing the junction box body, and a fixing clamping groove for the elastic buckle to enter is formed in the junction box body.

Through adopting above-mentioned technical scheme, the setting of elasticity buckle and fixed slot is convenient for and the installation between lid and the terminal box body, only need insert the elasticity buckle just can fix the terminal box lid in the fixed slot, simple structure, convenient operation.

Further setting: the fixing edge is further provided with a fixing hole, a fixing bolt is connected in the fixing hole in a threaded mode, and a threaded hole for the fixing bolt to enter is formed in the position, opposite to the fixing hole, of the junction box body.

Through adopting above-mentioned technical scheme, after the terminal box lid is fixed in advance through elastic buckle, rotatable fixing bolt makes fixing bolt get into the screw hole, further fixes terminal box lid, has improved fixed stability

Further setting: the number of the elastic buckles and the number of the fixing bolts are at least two.

Through adopting above-mentioned technical scheme, the stability of installation fixed between terminal box lid and the terminal box body has been improved in setting up of a plurality of fixing bolt and elasticity buckle.

To sum up, the utility model discloses following beneficial effect has: the mounting plate can be taken out to weld the electronic element, so that the electronic element is not required to be welded in a narrow space, the mounting is convenient, the mounting efficiency is improved, and the mounting and the positioning are convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic structural view of a junction box body in an embodiment;

FIG. 3 is a schematic structural diagram of a junction box cover in an embodiment;

FIG. 4 is a cross-sectional view of the embodiment after installation.

In the figure, 1, a junction box body; 2. a junction box cover; 3. a base plate; 4. a box wall; 5. mounting a plate; 6. positioning the convex strip; 7. a clamping mechanism; 21. a fixing edge; 22. extruding the block; 31. fixing the clamping groove; 32. a threaded hole; 51. a positioning groove; 71. a clamping strip; 72. a clamping block; 73. a return spring; 211. elastic buckle; 212. and (5) fixing the bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

as shown in fig. 1 and 2, a photovoltaic termination of rapid Assembly, including terminal box body 1 and terminal box lid 2, terminal box body 1 includes bottom plate 3 and box wall 4, synthetic holding bin is enclosed with bottom plate 3 and box wall 4, still be provided with detachable mounting panel 5 in the holding bin, mounting panel 5 is used for fixed electronic component, be fixed with two pairs of location sand grip 6 on the one side of box wall 4 orientation holding bin, every pair of location sand grip 6 is all just setting up, set up on mounting panel 5 and supply location sand grip 6 male positioning groove 51, location sand grip 6 is arranged in inserting positioning groove 51 when mounting panel 5 is packed into the holding bin and fixes a position mounting panel 5 in, also spacing it simultaneously.

As shown in fig. 3 and 4, a latch mechanism 7 for fixing the mounting plate 5 is further provided on the box wall 4. The clamping mechanism 7 comprises a clamping strip 71 and a clamping block 72, clamping holes are arranged at two opposite positions on the box wall 4, the clamping strip 71 is connected in the clamping holes in a sliding manner, one end of the clamping strip 71 passes through the clamping hole and extends out of the accommodating bin, the other end passes through the clamping hole and enters the accommodating bin and is fixedly connected with the clamping block 72, one end of the clamping block 72, which faces the center of the accommodating bin, is provided with a clamping groove for the installation plate 5 to enter, the notch of the clamping groove is cut into a guide inclined plane inclined towards the inside of the clamping groove, one end of the clamping strip 71, which extends into the accommodating bin, is also sleeved with a return spring 73, one end of the return spring 73 is fixedly connected with the clamping block 72 through metal glue, the other end of the return spring is connected with the box wall 4 through metal glue, when the clamping block 72 is not in contact with the installation plate 5 in an uninstalled state, namely, the, when the clamping strip 71 is forced to move towards the accommodating bin, the edge of the mounting plate 5 is inserted into the clamping groove, the spring is in an extension state at the moment, and the clamping block 72 is applied with elastic force which enables the clamping block to be far away from the mounting plate 5. Junction box lid 2 is used for covering and establishes on junction box body 1, fixedly connected with extrusion piece 22 on the inner wall just right with the joint hole on the junction box lid 2, extrusion piece 22 is seted up for the inclined plane towards the one end of box wall 4, the one end that joint strip 71 stretches out the holding bin cuts into the inclined plane with extrusion piece 22 complex, at the in-process that covers and establish junction box lid 2, extrusion piece 22 and joint strip 71 pass through the cooperation on inclined plane, extrusion piece 22 presses joint strip 71 to the holding bin inside, joint piece 72 makes the border of mounting panel 5 insert the joint groove along with it and fixes to the motion of mounting panel 5.

As shown in fig. 2 and 3, in order to fix the junction box cover 2 and the junction box body 1, a fixing edge 21 is protruded from the outer wall of the junction box cover 2 in the circumferential direction, and when the junction box cover 2 is covered on the junction box body 1, the fixing edge 21 is abutted against the bottom plate 3. Two elastic buckles 211 are fixed on one surface of the fixing edge 21 facing the bottom plate 3, a fixing clamping groove 31 for clamping the elastic buckles 211 is clamped on the bottom plate 3, and the elastic buckles 211 are clamped in the fixing clamping groove 31 for fixing. Two fixing holes are further formed in the fixing edge 21, the fixing holes are located at two opposite ends, fixing bolts 212 are connected with the fixing holes through threads, meanwhile, threaded holes 32 are formed in the positions, opposite to the fixing holes, of the bottom plate 3, after the elastic buckles 211 are clamped into the fixing clamping grooves 31, the fixing bolts 212 are rotated, the fixing bolts 212 penetrate through the fixing holes and then are connected into the threaded holes 32 through threads, and the junction box cover 2 is further fixed on the junction box body 1.

When the utility model is used, firstly, the mounting plate 5 is taken out from the containing bin, the electronic element is welded on the mounting plate 5, after the welding is finished, the mounting plate 5 is put into the containing bin along the direction of the positioning convex strip 6, and the positioning convex strip 6 is inserted into the positioning groove 51, then the junction box cover 2 is covered above the junction box body 1, the extrusion block 22 is butted with the clamping convex strip in the moving process of the junction box cover 2 to the bottom plate 3 and presses the clamping convex strip to the inside of the containing bin through the matching of the inclined plane, the clamping block 72 moves to the mounting plate 5 along with the movement of the clamping convex strip, so that the reset spring 73 is stretched, the edge of the mounting plate 5 is inserted into the clamping groove along the guiding inclined plane, the junction box cover 2 moves to the fixed edge 21 to be butted with the bottom plate 3, at the moment, the elastic buckle 211 is clamped into the fixed clamping groove 31, the fixing of the junction box cover 2 is completed. When the mounting plate 5 in the accommodating bin needs to be overhauled, the fixing bolt 212 only needs to be rotated to enable the mounting plate to leave from the threaded hole 32, then the elastic buckle 211 is pulled out of the fixing clamping groove 31, after the junction box cover 2 is taken down, the clamping block 72 is subjected to the elastic action of the reset spring 73 to enable the clamping groove to be far away from the mounting plate 5, and then the mounting plate 5 can be taken out to overhaul or replace elements.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The photovoltaic wiring device capable of being quickly assembled comprises a wiring box body (1) and a wiring box cover (2), and is characterized in that the wiring box body (1) comprises a bottom plate (3) and a box wall (4), the bottom plate (3) and the box wall (4) enclose a combined containing bin, two pairs of positioning convex strips (6) are arranged on one surface, facing the containing bin, of the box wall (4), each pair of positioning convex strips (6) are arranged just opposite to each other, a detachable mounting plate (5) is further arranged in the containing bin, the mounting plate (5) is used for fixing an electronic element, a positioning groove (51) for inserting the positioning convex strips (6) is formed in the mounting plate (5), a clamping mechanism (7) is further arranged on the box wall (4),

the clamping mechanism (7) comprises a clamping hole formed in the box wall (4), a clamping strip (71) is connected in the clamping hole in a sliding mode, one end of the clamping strip (71) penetrates through the clamping hole to extend out of the accommodating bin, the other end of the clamping strip penetrates through the clamping hole to enter the accommodating bin and is connected with a clamping block (72), a clamping groove for the installation plate (5) to enter is formed in one end, facing the center of the accommodating bin, of the clamping block (72), the clamping block (72) is used for fixing the installation plate (5), a cushion block is arranged at the bottom of the installation plate (5) and is used for enabling the installation plate (5) to be just opposite to the clamping groove, a reset spring (73) is further sleeved at one end, extending into the accommodating bin, of the clamping strip (71), one end of the reset spring (73) is connected with the clamping block (72), the other end of the reset spring (73) is connected with the box,

junction box lid (2) are used for the lid to establish on junction box body (1), be provided with on junction box lid (2) with the joint hole just right inner wall and extrude piece (22), it establishes to the inclined plane to extrude piece (22) towards the one end of box wall (4) to open, it is used for pressing joint strip (71) to mounting panel (5) and makes mounting panel (5) get into the joint groove in to extrude piece (22), when extrusion piece (22) do not contradict with joint strip (71), joint piece (72) do not contact just with mounting panel (5) reset spring (73) are in free state.

2. The photovoltaic wiring device capable of being assembled quickly as claimed in claim 1, wherein the notch position of the clamping groove is provided with a guiding inclined surface, and the guiding inclined surface is used for guiding the mounting plate (5) to enter the clamping groove.

3. The photovoltaic junction device of claim 1, wherein the end of the clamping bar (71) extending out of the accommodating chamber is provided with an inclined surface which is matched with the extrusion block (22).

4. The photovoltaic junction device capable of being assembled quickly according to claim 1, wherein a fixing edge (21) protrudes outwards from the outer wall of the junction box cover (2), an elastic buckle (211) is fixed on one surface, facing the junction box body (1), of the fixing edge (21), and a fixing clamping groove (31) for the elastic buckle (211) to enter is formed in the junction box body (1).

5. The photovoltaic wiring device capable of being assembled quickly as claimed in claim 4, wherein the fixing edge (21) is further provided with a fixing hole, a fixing bolt (212) is connected to the fixing hole in a threaded manner, and a threaded hole (32) for the fixing bolt (212) to enter is formed in a position, opposite to the fixing hole, of the junction box body (1).

6. A quick-fit photovoltaic junction device according to claim 5, characterized in that said elastic snap (211) and fixing bolt (212) are at least two.