CN219041734U

CN219041734U - Photovoltaic power generation junction box

Info

Publication number: CN219041734U
Application number: CN202223298469.7U
Authority: CN
Inventors: 时建锋; 富佳炜; 陆杰; 王伟锋
Original assignee: Jiaxing Yida Electric Power Engineering Co ltd
Current assignee: Jiaxing Yida Electric Power Engineering Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-16
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a photovoltaic power generation junction box, which comprises a mounting assembly, a sealing assembly, a connecting assembly and a fire extinguishing assembly, and comprises a box body, wherein the box body comprises a hinge mounted on one side of the box body, a box door mounted on one side of the hinge, and a connecting frame mounted at the rear end of the box body, and comprises fire detectors symmetrically mounted on the inner wall of the box body and a sand storage box mounted on the inner wall of the top of the box body.

Description

Photovoltaic power generation junction box

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a photovoltaic power generation junction box.

Background

Photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor interface, the photovoltaic power generation equipment needs to use a junction box to provide line switching for the equipment, the junction box is a switching construction line, marks on branch lines and provides a convenient interface device for wiring and line checking, after a worker installs the junction box, equipment is used for a long time, the internal line of the junction box is aged, short circuit can occur to cause fire, the worker is difficult to open the box body to extinguish fire after the fire rises, and the photovoltaic power generation junction box can bring convenience for the worker.

Disclosure of Invention

The utility model aims to provide a photovoltaic power generation junction box, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the utility model provides a photovoltaic power generation junction box, which comprises a mounting assembly, a closing assembly, a connecting assembly and a fire extinguishing assembly, and comprises a box body, a hinge arranged on one side of the box body, a box door arranged on one side of the hinge, a connecting frame arranged at the rear end of the box body, a fire detector symmetrically arranged on the inner wall of the box body, a sand storage box symmetrically arranged on the inner wall of the top of the box body, a movable door arranged at the bottom of the sand storage box, a movable shaft arranged in the movable door, a top movable shaft symmetrically arranged on the inner wall of the sand storage box, a telescopic rod arranged in the top movable shaft, a bottom movable shaft arranged at the top of the movable door, and a telescopic rod connected with the bottom movable shaft.

Preferably, a top cover is arranged at the top of the box body, and a connecting block is arranged at the rear end of the box body.

Preferably, a plurality of inlet pipes are installed at the bottom of the box body in a penetrating mode, and fire-retarding mud is installed on the inner wall of each inlet pipe.

Preferably, the warning sign is installed on the front side of the box door, and the door lock is installed on the front side of the box door and is located on one side of the warning sign.

Preferably, the inside of link has seted up the spread groove, a plurality of fixed blocks are installed to the outside symmetry of link.

Preferably, the fixing hole is formed in the fixing block, the bracket is mounted at the bottom of the connecting frame, and the bracket is located at the bottom of the box body.

Preferably, a fixer is installed at the outer side of the fire detector, and a sealing strip is installed at one side of the movable door.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. the sand storage box is arranged in the utility model, when equipment is used for a long time, fire disaster can occur due to ageing of a circuit, internal fire is burnt up when the box body is closed, when the fire disaster detector detects the fire, a signal is sent to the outside to remind a worker to cut off the power of the box body, then the telescopic rod arranged in the sand storage box extends downwards to drive the movable door arranged at the bottom to open outwards, and a large amount of sand and stone stored in the sand storage box drop downwards when the movable shaft and the telescopic rod open outwards, so that the fire disaster is extinguished, the increase of fire disaster is prevented, and convenience is brought to the worker.

2. According to the utility model, the connecting frame is arranged, when the box body is damaged after the box body is used for a long time, the box body needs to be replaced, the box body is taken out after the box body is disconnected with the connecting frame, then the box body is connected with the connecting groove formed in the connecting frame in a jogged mode through the connecting block arranged at the rear end of the new box body, and the box body can be placed on the support after connection, so that convenience can be brought to staff.

Drawings

Fig. 1 is a schematic front perspective view of the case of the present utility model.

Fig. 2 is a schematic perspective view of the rear end of the case of the present utility model.

FIG. 3 is a perspective view of a connector according to the present utility model

FIG. 4 is a schematic cross-sectional view of the case of the present utility model

FIG. 5 is a schematic cross-sectional view of a sandbox in accordance with the present utility model.

In the figure: 100. a mounting assembly; 101. a case; 102. a top cover; 103. a connecting block; 104. a wire inlet pipe; 105. fire-retardant mud;

200. a closure assembly; 201. a door; 202. a hinge; 203. a warning sign; 204. a door lock;

300. a connection assembly; 301. a connecting frame; 302. a connecting groove; 303. a fixed block; 304. a fixing hole; 305. a bracket;

400. a fire suppression assembly; 401. a fire detector; 402. a holder; 403. a sand storage box; 404. a movable door; 405. a movable shaft; 406. a sealing strip; 407. a top movable shaft; 408. a telescopic rod; 409. a bottom movable shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, 2 and 4, a photovoltaic power generation junction box;

including box 101, top cap 102 is installed at the top of box 101, box 101 can provide the support for top-mounted top cap 102, top cap 102 can provide the top protection for box 101, prevent that external object from getting into box 101 inside from the top, influence the connection of internal circuit, when the staff needs add internally mounted's sandbox 403, when changing the grit, through dismantle change top cap 102 can, box 101's rear end install connecting block 103, box 101 can provide the support for rear end-mounted connecting block 103, when the staff needs install box 101, through the connecting block 103 with box 101 rear end installation and the inside spread groove 302 of seting up of link 301 go on gomphosis connection installation can, box 101's bottom runs through and installs a plurality of inlet tubes 104, the inner wall installation of inlet tube 104 has fire-blocking mud 105, box 101 can provide installation space and support for bottom-mounted inlet tube 104, when the staff needs to carry out the change-over installation with photovoltaic power generation equipment circuit, be connected to box 101 inside through bottom-mounted inlet tube 104, can provide the fire-blocking mud 105 for inner wall installation space when the inner wall installation 105 can prevent fire hazard to take place from the inner wall installation to the fire hazard in the inner wall, fire hazard condition that can take place to the inner wall 105.

Referring to fig. 1, a photovoltaic power generation junction box;

the hinge 202 is installed to one side of box 101, the box 101 can provide the support for hinge 202 of one side installation, the hinge 202 can provide support and activity ability for the chamber door 201 of one side installation, the chamber door 201 is installed to one side of hinge 202, chamber door 201 of one side installation of hinge 202 can provide the ability of closure and switch for box 101, can contact the inside of box 101 through chamber door 201 when chamber door 201 is opened, can prevent that external object from getting into inside of box 101 when chamber door 201 is closed, warning sign 203 is installed in the front of chamber door 201, chamber door 201 can be for the warning sign 203 of front installation through the support, warning sign 203 can warn this is the electrified device of staff, increase the attention when using, prevent the electric shock condition, door lock 204 is installed in the front of chamber door 201, door lock 204 is located one side of warning sign 203, chamber door 201 can provide the support for the door lock 204 of front installation, when the staff need open chamber door 201 observe the internal circuit condition of box 101, can open chamber door 201 after the fixed effect to chamber door 201 through the dismantlement door 204.

Referring to fig. 1 and 3, a photovoltaic power generation junction box;

the link 301 is installed to the rear end of box 101, the link 301 of box 101 rear end installation can be connected with box 101, after the staff fixes link 301, connect box 101 and link 301, link 301's inside has been seted up spread groove 302, when the staff needs to be connected box 101 with link 301, through the connecting block 103 of box 101 rear end installation with link 301 inside set up spread groove 302 go on the gomphosis connection can, a plurality of fixed blocks 303 are installed to the outside symmetry of link 301, fixed orifices 304 have been seted up to the inside of fixed block 303, link 301 can provide the support for a plurality of fixed blocks 303 of outside symmetry installation, fixed block 303 can provide the opening space for the fixed orifices 304 of inside seting up, when the staff needs to install link 301 on the wall, the bottom of link 301 is installed to the fixed orifices 304 through the fixed orifices 304 of fixed block 303 inside, support 305 is located the bottom of box 101, support 305 can provide for the box 101 for the support body of box 301 bottom installation, can provide support for the staff after the support body 101 is installed on the wall at the back of box 101.

Referring to fig. 4 and 5, a photovoltaic power generation junction box;

the fire detector 401 is symmetrically installed on the inner wall of the box body 101, the box body 101 can provide installation space and support for the fire detector 401 symmetrically installed on the inner wall, when fire occurs due to aging of a line, the fire detector 401 installed on the inner wall of the box body 101 gives out an alarm to the outside when detecting the fire, the outside is reminded of powering off the box body 101, the fire is prevented from being increased, the fixing device 402 is installed on the outer side of the fire detector 401, the fire detector 401 can provide support for the fixing device 402 installed on the outer side, when a worker needs to install the fire detector 401, the fire detector 401 is fixed through the fixing device 402, the sand storage box 403 is installed on the inner wall of the top of the box body 101, the box body 101 can provide installation space and support for the sand storage box 403 installed on the inner wall of the top, the sand storage box 403 can store sand and sand downwards when the fire occurs, the bottom of the sand storage box 403 is provided with a movable door 404, the inside of the movable door 404 is provided with a movable shaft 405, the sand storage box 403 can provide installation space and support for the movable door 404 arranged at the bottom, the movable door 404 can provide installation space for the movable shaft 405 arranged at the inside, when the movable door 404 needs to be opened, the movable shaft 405 can provide outward opening capacity for the movable door 404, one side of the movable door 404 is provided with a sealing strip 406, the movable door 404 can provide support for the sealing strip 406 arranged at one side, when the movable door 404 is closed, the sealing strip 406 can seal a gap between the two movable doors 404, sand and stone 408 stored in the sand storage box 403 can be prevented from falling downwards from the gap, the inner wall of the sand storage box 403 is symmetrically provided with a top movable shaft 407, the inside of the top shaft 407 is provided with a telescopic rod, the top of the movable door 404 is provided with a bottom movable shaft 409, the telescopic link 408 other end is connected with bottom loose axle 409, the top loose axle 407 that the sandbox 403 can be for inner wall symmetry installation provides installation space and support, top loose axle 407 can provide installation space and activity ability for internally mounted's telescopic link 408, the bottom loose axle 409 of dodge gate 404 top installation is connected with the telescopic link 408 other end, can provide connection and activity ability for telescopic link 408, when the conflagration appears, telescopic link 408 outwards stretches out, drive bottom loose axle 409 of bottom installation and dodge gate 404 outwards open, the inside grit of sandbox 403 is deposited drops downwards when dodge gate 404 outwards opens, put out the flame, put out the back of telescopic link 408 and close dodge gate 404.

Working principle: when the line aging short circuit leads to causing the conflagration, the fire detector 401 of box 101 inner wall symmetry installation detects, then carries out the alarm to the external world, reminds external personnel to carry out the outage with box 101, prevents the further increase of intensity of a fire, then the telescopic link 408 of the top loose axle 407 internally mounted of sandbox 403 inner wall installation stretches out outwards, the bottom loose axle 409 that the drive other end is connected outwards opens with dodge gate 404, when dodge gate 404 opens, the inside a large amount of grit of storage of sandbox 403 drops downwards, when the grit contacts the flame, can put out the fire out or weaken the flame, reduce the further loss of conflagration to equipment.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. Photovoltaic power generation junction box, including box (101), its characterized in that includes:

a mounting assembly (100) comprising a housing (101);

the sealing assembly (200) comprises a hinge (202) arranged on one side of the box body (101) and a box door (201) arranged on one side of the hinge (202);

a connection assembly (300) including a connection frame (301) installed at the rear end of the case (101);

fire extinguishing subassembly (400), including symmetry install fire detector (401) at box (101) inner wall, including install in the sandbox (403) of box (101) top inner wall, including install dodge gate (404) in sandbox (403) bottom, including install inside loose axle (405) of dodge gate (404), including symmetry install top loose axle (407) at sandbox (403) inner wall, including install telescopic link (408) inside top loose axle (407), including install bottom loose axle (409) at the top of dodge gate (404), the telescopic link (408) other end is connected with bottom loose axle (409).

2. The photovoltaic power generation junction box according to claim 1, wherein a top cover (102) is installed at the top of the box body (101), and a connection block (103) is installed at the rear end of the box body (101).

3. The photovoltaic power generation junction box according to claim 1, wherein a plurality of wire inlet pipes (104) are installed at the bottom of the box body (101) in a penetrating manner, and fire-retarding mud (105) is installed on the inner wall of the wire inlet pipes (104).

4. The photovoltaic power generation junction box according to claim 1, wherein a warning sign (203) is mounted on the front surface of the box door (201), a door lock (204) is mounted on the front surface of the box door (201), and the door lock (204) is located on one side of the warning sign (203).

5. The photovoltaic power generation junction box according to claim 1, wherein a connecting groove (302) is formed in the connecting frame (301), and a plurality of fixing blocks (303) are symmetrically arranged on the outer side of the connecting frame (301).

6. The photovoltaic power generation junction box according to claim 5, wherein the fixing block (303) is provided with a fixing hole (304) inside, the bottom of the connecting frame (301) is provided with a support (305), and the support (305) is located at the bottom of the box body (101).

7. A junction box for photovoltaic power generation according to claim 1, characterized in that the outside of the fire detector (401) is provided with a holder (402), and one side of the movable door (404) is provided with a sealing strip (406).