CN218727914U

CN218727914U - Electric leakage alarm device of photovoltaic direct current collection flow box

Info

Publication number: CN218727914U
Application number: CN202222875677.2U
Authority: CN
Inventors: 梁文智
Original assignee: Beijing Furui Electric Power Technology Co ltd
Current assignee: Beijing Furui Electric Power Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-03-24
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a leakage alarm device of a photovoltaic direct current combiner box, which comprises a box body, a driving motor is fixedly arranged in a protective frame, a connecting rod is fixedly arranged on an output shaft of the driving motor, insulating cloth is fixedly arranged at the bottom of the connecting rod, two groups of baffle frames are fixedly arranged at the side part of the box body, the side part of the insulating cloth is fixedly arranged in the baffle frames, the top of the baffle frames is fixedly connected with baffle rods, and the baffle rods are attached to the connecting rod; through driving motor, connecting rod, insulating cloth and the design that keeps off frame isotructure, after the collection flow box takes place to leak electricity, can drive the connecting rod through driving motor and rotate, when the connecting rod rotates, can launch insulating cloth to can make insulating cloth launch on the box, make insulating cloth can keep apart collection flow box, through insulating cloth's insulating nature, and then prevent that the personnel of not knowing touch collection flow box by mistake, and endangered personnel's life safety.

Description

Electric leakage alarm device of photovoltaic direct current collection flow box

Technical Field

The utility model relates to a power station collection flow box technical field specifically is a photovoltaic direct current collection flow box's electric leakage alarm device.

Background

The junction box can be used in a solar photovoltaic power generation system, the junction box is used for reducing a connecting line between a solar photovoltaic battery array and an inverter, an isolation mechanism is not needed for the junction box when electricity leakage occurs in the existing junction box, and the junction box is easily subjected to electric shock after people touch the junction box by mistake.

For example, the utility model discloses a protective structure of power station collection flow box protection user that patent application No. CN202123272948.7 was granted, this utility model discloses a fixed plate can be used for wholly installing the work box fixedly, through water joint, it is the plastics material, can protect when the user dismouting, avoid its body to take place electrically conductive, can prevent simultaneously that the infiltration from leaking electricity, through depositing the case, it is the plastics material, can deposit the instrument commonly used to the user and protective gloves, can guarantee to this that the user operates after wearing safety protection.

Above-mentioned patent exists promptly and lacks to carrying out isolation mechanism to the collection flow box, if after the unknown personnel mistake touches the collection flow box, easily takes place the condition of electrocuteeing to serious harm personnel's life safety, therefore we need propose the electric leakage alarm device of a photovoltaic direct current collection flow box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a photovoltaic direct current collection flow box's electric leakage alarm device can take place the electric leakage back at the collection flow box, can keep apart the collection flow box to prevent that the personnel of not knowing from missing from touching the collection flow box, and endangered personnel's life safety, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a photovoltaic direct current collection flow box's electric leakage alarm device, includes the box, the top fixed mounting of box has the protection frame, fixed mounting has driving motor in the protection frame, fixed mounting has the connecting rod on driving motor's the output shaft, the bottom fixed mounting of connecting rod has insulating cloth, the lateral part fixed mounting of box has two sets of fender frames, the lateral part fixed mounting of insulating cloth is in keeping off the frame, keep off the top fixedly connected with shelves pole of frame, shelves pole and the laminating of connecting rod.

Preferably, the lateral part fixed mounting of box has the install bin, be provided with alarm mechanism on install bin and the fender frame, alarm mechanism includes circuit board, current sensor, central treater, power module, conduction connecting piece, alarm lamp and warning loudspeaker.

Preferably, the circuit board and the power supply module are both fixedly mounted in the mounting box, and the current sensor and the central processor are both fixedly mounted on the circuit board.

Preferably, conduction connecting piece fixed mounting is in box and install bin, conduction connecting piece and current sensor electric connection, alarm lamp and warning loudspeaker fixed mounting are on keeping off the frame, driving motor, current sensor, central treater, alarm lamp, warning loudspeaker all with power module electric connection.

Preferably, a second insulating rubber pad is arranged on the side of the installation box and attached to the side of the box body.

Preferably, a first insulating rubber pad is arranged at the top of the box body, and the protection frame is installed on the first insulating rubber pad.

Preferably, the top of the box body is provided with a positioning groove, the bottom of the connecting rod is fixedly connected with a positioning block, and the positioning block is movably arranged in the positioning groove

Compared with the prior art, the beneficial effects of the utility model are that:

through driving motor, connecting rod, insulating cloth and the design that keeps off frame isotructure, after the collection flow box takes place to leak electricity, can drive the connecting rod through driving motor and rotate, when the connecting rod rotates, can launch insulating cloth to can make insulating cloth launch on the box, make insulating cloth can keep apart collection flow box, through insulating cloth's insulating nature, and then prevent that the personnel of not knowing touch collection flow box by mistake, and endangered personnel's life safety.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention in a top view;

FIG. 3 is a schematic sectional view of the installation box of the present invention;

FIG. 4 is an enlarged schematic view of region A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged schematic view of region B of FIG. 1 according to the present invention;

fig. 6 is a schematic structural view of the baffle frame of the present invention.

In the figure: 1. a box body; 2. a first insulating rubber pad; 3. a gear lever; 4. a protective frame; 5. a drive motor; 6. a connecting rod; 7. a blocking frame; 8. an alarm lamp; 9. an alarm horn; 10. insulating cloth; 11. installing a box; 12. a second insulating rubber pad; 13. a circuit board; 14. a current sensor; 15. a central processor; 16. a power supply module; 17. a conductive connection; 18. positioning a block; 19. and (6) positioning a groove.

Detailed Description

The same reference numbers in different drawings identify the same or similar elements; it should be further understood that terms such as "first," "second," "third," "upper," "lower," "front," "rear," "inner," "outer," "end," "portion," "section," "width," "thickness," "zone," and the like are used herein only for convenience in reference to the figures and to merely aid in describing the invention, and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a leakage alarm device of a photovoltaic direct current combiner box comprises a box body 1, wherein a protective frame 4 is fixedly mounted at the top of the box body 1, a driving motor 5 is fixedly mounted in the protective frame 4, a connecting rod 6 is fixedly mounted on an output shaft of the driving motor 5, insulating cloth 10 is fixedly mounted at the bottom of the connecting rod 6, two groups of baffle frames 7 are fixedly mounted at the side parts of the box body 1, the side parts of the insulating cloth 10 are fixedly mounted in the baffle frames 7, a baffle rod 3 is fixedly connected to the top of each baffle frame 7, and the baffle rods 3 are attached to the connecting rod 6;

through the arrangement of the driving motor 5, the driving motor 5 is matched with the connecting rod 6, so that the insulating cloth 10 can be unfolded, the insulating cloth 10 can be unfolded on the box body 1, the insulating cloth 10 can isolate the header box, the insulating cloth 10 is arranged into silica gel cloth, the silica gel cloth has the performances of high insulating property, good flexibility, chemical corrosion resistance and the like, and through the arrangement of the blocking rod 3, after the driving motor 5 is matched with the connecting rod 6 to unfold the insulating cloth 10, the blocking rod 3 can block the insulating cloth;

the side part of the box body 1 is fixedly provided with a mounting box 11, the mounting box 11 and the baffle frame 7 are provided with an alarm mechanism, the alarm mechanism comprises a circuit board 13, a current sensor 14, a central processor 15, a power supply module 16, a conduction connecting piece 17, an alarm lamp 8 and an alarm horn 9, the circuit board 13 and the power supply module 16 are both fixedly mounted in the mounting box 11, and the current sensor 14 and the central processor 15 are both fixedly mounted on the circuit board 13;

the conduction connecting piece 17 is fixedly arranged in the box body 1 and the installation box 11, the conduction connecting piece 17 is electrically connected with the current sensor 14, the alarm lamp 8 and the alarm horn 9 are fixedly arranged on the blocking frame 7, and the driving motor 5, the current sensor 14, the central processor 15, the alarm lamp 8 and the alarm horn 9 are electrically connected with the power supply module 16;

through the arrangement of the alarm lamp 8, an alarm is given through the alarm lamp 8 and the alarm horn 9 so as to give an early warning, and the blocking frame 7 is made of plastic materials, so that the situation that when the box body 1 leaks electricity, a human body touches the blocking frame 7 to cause electric shock can be prevented;

a second insulating rubber pad 12 is arranged on the side part of the installation box 11, the second insulating rubber pad 12 is attached to the side part of the box body 1, a first insulating rubber pad 2 is arranged on the top of the box body 1, the protection frame 4 is installed on the first insulating rubber pad 2, a positioning groove 19 is formed in the top of the box body 1, a positioning block 18 is fixedly connected to the bottom of the connecting rod 6, and the positioning block 18 is movably installed in the positioning groove 19;

through the arrangement of the second insulating rubber pad 12, when the box body 1 leaks electricity, the electric shock caused by the fact that a human body touches the protective frame 4 and the installation box 11 can be prevented through the first insulating rubber pad 2 and the second insulating rubber pad 12, and the connecting rod 6 can be positioned through the matching of the positioning block 18 and the positioning groove 19, so that the connecting rod 6 can stably rotate;

in the in-process that specifically uses, when taking place the electric leakage at the collection flow box, can there be the electric current on the box 1, the electric current on the box 1 can be transmitted to circuit board 13 through conduction connecting piece 17 and is detected by current sensor 14, current sensor 14 can be with signal transmission for central treater 15, carry out the police dispatch newspaper through the steerable alarm lamp 8 of central treater 15 and warning loudspeaker 9, in the time of carrying out the early warning, steerable driving motor 5 carries out work, driving motor 5's output shaft rotates and drives connecting rod 6 and rotate, at connecting rod 6 pivoted in-process, can launch insulating cloth 10, thereby can make insulating cloth 10 launch on box 1, make insulating cloth 10 can keep apart the collection flow box, insulating nature through insulating cloth 10, and then prevent that unconscious personnel from touching the collection flow box by mistake, and endangered personnel's life safety.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic direct current collection flow box's electric leakage alarm device, includes box (1), its characterized in that: the top fixed mounting of box (1) has protection frame (4), fixed mounting has driving motor (5) in protection frame (4), fixed mounting has connecting rod (6) on the output shaft of driving motor (5), the bottom fixed mounting of connecting rod (6) has insulating cloth (10), the lateral part fixed mounting of box (1) has two sets of fender framves (7), the lateral part fixed mounting of insulating cloth (10) is in keeping off frame (7), keep off the top fixedly connected with shelves pole (3) of frame (7), shelves pole (3) and connecting rod (6) laminating.

2. An electric leakage alarm device of a photovoltaic direct current combiner box as claimed in claim 1, wherein: the side fixed mounting of box (1) has install bin (11), install bin (11) and keep off and be provided with alarm mechanism on frame (7), alarm mechanism includes circuit board (13), current sensor (14), central treater (15), power module (16), conduction connecting piece (17), alarm lamp (8) and warning loudspeaker (9).

3. An electric leakage alarm device of a photovoltaic direct current combiner box as claimed in claim 2, wherein: the circuit board (13) and the power supply module (16) are both fixedly mounted in the mounting box (11), and the current sensor (14) and the central processor (15) are both fixedly mounted on the circuit board (13).

4. A leakage alarm device for a photovoltaic dc combiner box as claimed in claim 3, wherein: conduction connecting piece (17) fixed mounting is in box (1) and install bin (11), conduction connecting piece (17) and current sensor (14) electric connection, alarm lamp (8) and warning loudspeaker (9) fixed mounting are on keeping off frame (7), driving motor (5), current sensor (14), central treater (15), alarm lamp (8), warning loudspeaker (9) all with power module (16) electric connection.

5. An electric leakage alarm device of a photovoltaic direct current combiner box according to claim 2, characterized in that: and a second insulating rubber pad (12) is arranged on the side part of the mounting box (11), and the second insulating rubber pad (12) is attached to the side part of the box body (1).

6. An electric leakage alarm device of a photovoltaic direct current combiner box as claimed in claim 1, wherein: the top of the box body (1) is provided with a first insulating rubber pad (2), and the protection frame (4) is installed on the first insulating rubber pad (2).

7. An electric leakage alarm device of a photovoltaic direct current combiner box as claimed in claim 1, wherein: the top of the box body (1) is provided with a positioning groove (19), the bottom of the connecting rod (6) is fixedly connected with a positioning block (18), and the positioning block (18) is movably arranged in the positioning groove (19).