CN218525931U

CN218525931U - Photovoltaic grid-connected box safety assembly

Info

Publication number: CN218525931U
Application number: CN202222647206.6U
Authority: CN
Inventors: 汪富; 任伟; 任洪; 张超杰; 刘向宇; 周鹏; 叶信阳
Original assignee: Luger Electric Group Co ltd
Current assignee: Luger Electric Group Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-02-24
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a photovoltaic grid-connected box safety subassembly, include and box with a net, ammeter case, ammeter, the top fixed mounting of ammeter case has the heat dissipation box, the gas vent has been seted up to the one end of heat dissipation box, the one end fixed mounting that heat dissipation box inner chamber is close to the gas vent has the heat dissipation fan, the symmetrical fixedly connected with exhaust column in both ends about the heat dissipation bottom half, the through-hole has been seted up to both ends symmetry about ammeter bottom half, and one side of box with a net link up and inlay and be equipped with the installation framework, the inner chamber of installation framework is provided with the dust filter screen board, the outside fixedly connected with frame of dust filter screen board, first movable groove has been seted up to the bottom of frame. This photovoltaic grid-connected box safety subassembly through mutually supporting of the heat dissipation box that sets up, gas vent, heat dissipation fan, exhaust column, through-hole, dust filter otter board can accelerate and the circulation of box with a net and the inside air of ammeter case, and then has improved the radiating effect to but the entering of separation dust.

Description

Photovoltaic grid-connected box safety assembly

Technical Field

The utility model relates to a photovoltaic grid-connected box safety subassembly field, in particular to photovoltaic grid-connected box safety subassembly.

Background

In recent years, distributed photovoltaic power generation has been widely applied to industrial plants, public buildings and roofs of residents by virtue of the advantages of small capacity, low voltage level, close load, small influence on power grids and the like. As an important application mode of solar power generation, distributed photovoltaic power generation can fully utilize the characteristics of solar energy in a wide range, avoid site limitation factors of centralized construction, particularly face the practical condition of intensive living in the east of China, and have wide application prospect in a wide range; in the photovoltaic power generation process, a plurality of electrical equipment are needed, and therefore safety devices of the AC grid-connected box need to be equipped and used.

Current photovoltaic power generation exchanges case safety device that is incorporated into power networks, include and the box with a net, the box top surface that is incorporated into power networks is provided with the ammeter case, present and box with a net and ammeter case are mostly independently dispelled the heat through the louvre when dispelling the heat, the radiating effect is relatively poor, also some boxes have set up the heat dissipation fan and have dispelled the heat, but the circulation of air has been accelerated to the heat dissipation fan, also can accelerate the dust to get into inside the box, furthermore, current and box with a net inside can install a plurality of electrical parts, prior art need continuous bowing to get and put the inside instrument and the spare part of subaerial toolbox when carrying out dismouting or maintaining the electrical part, the convenience is relatively poor, influence efficiency.

Therefore, it is necessary to provide a photovoltaic safety assembly for a mesh cage to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a photovoltaic grid-connected box safety subassembly can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a photovoltaic grid-connected box safety assembly comprises a grid-connected box, an electric meter box and an electric meter, wherein a heat dissipation box body is fixedly installed at the top of the electric meter box, an air outlet is formed in one end of the heat dissipation box body, a heat dissipation fan is fixedly installed at one end, close to the air outlet, of an inner cavity of the heat dissipation box body, air exhaust pipes are symmetrically and fixedly connected to the left end and the right end of the bottom of the heat dissipation box body, through holes are symmetrically formed in the left end and the right end of the bottom of the electric meter box body, an installation frame body is embedded in one side of the grid-connected box in a penetrating mode, and a dust filter screen plate is arranged in the inner cavity of the installation frame body;

the outer side of the dust filter screen plate is fixedly connected with an outer frame, the bottom of the outer frame is provided with a first movable groove, a first inserting plate is inserted into an inner cavity of the first movable groove, the upper end of the outer side of the first inserting plate is fixedly connected with a first force applying plate, the bottom of the inner cavity of the mounting frame is provided with a first inserting groove, the top of the inner cavity of the mounting frame is provided with a second movable groove, the inner cavity of the second movable groove is inserted with a second inserting plate, the outer side of the upper end of the second inserting plate is fixedly connected with a second force applying plate, and the top of the outer frame is provided with a second inserting groove;

the lower end of one side of the electric meter box, which is far away from the installation frame body, is hinged with a storage plate, the top of the storage plate is provided with a storage groove, the lower end of one side of the net cage, which is far away from the installation frame body, is fixedly connected with a support plate, and the net cage keeps away from the upper end fixedly connected with fixed plate of installation framework one side, put the thing board and keep away from both ends symmetry around the case that is incorporated into the power networks one side and seted up the hole groove, the top of fixed plate is provided with the arm-tie, both ends symmetry fixedly connected with fixed pin around the arm-tie bottom.

Preferably, the lower end of the exhaust pipe extends to the inner cavity of the electric meter box, and the exhaust pipe is communicated with the heat dissipation box body.

Preferably, the ammeter box is communicated with the inner cavity of the net cage through the through hole.

Preferably, the outside of frame and the inner wall laminating and the sliding connection of installation framework, first picture peg and the inner wall in first activity groove closely laminate and sliding connection to the lower extreme and the first slot grafting cooperation of first picture peg, the second picture peg closely laminates and sliding connection with the inner wall in second activity groove, and the lower extreme and the second slot grafting cooperation of second picture peg, the one end that first picture peg was kept away from to first application of force board extends to the outside of frame, the one end that the second picture peg was kept away from to second application of force board extends to the outside of installation framework.

Preferably, the lower end of the fixing pin extends to the bottom of the fixing plate, the fixing pin is movably connected with the fixing plate, and the fixing pin is matched with the hole groove in an inserted manner.

Preferably, the supporting plate is located at the bottom of the object placing plate, and the upper end of the supporting plate is in contact fit with the top of the object placing plate.

Advantageous effects

Compared with the prior art, the utility model provides a photovoltaic and box with a net safety subassembly possesses following beneficial effect:

1. this photovoltaic grid-connected box safety subassembly, through the heat dissipation box that sets up, the gas vent, the heat dissipation fan, the exhaust column, the through-hole, the circulation of the inside air of box with a net and ammeter case can be quickened in the mutually supporting of dirt otter board, and then the radiating effect has been improved, and the entering of separation dust, through the installation framework that sets up, the frame, first picture peg, first application of force board, first slot, the second picture peg, the second slot, the mutually supporting of second application of force board is convenient for the dismantlement of dirt otter board, and then be convenient for clear up or change the dirt otter board.

2. This photovoltaic grid-connected box safety subassembly puts spare parts such as instrument when putting thing groove in the cooperation of putting through setting up and be convenient for maintain and repair, need not to bow to get and put, has increased the convenience, and the setting of backup pad is convenient for support putting the thing board, and the setting of hole groove, arm-tie, fixed pin is convenient for accomodate fixedly putting the thing board, does not occupy the exterior space.

Drawings

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

FIG. 2 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the whole structure of the fixing plate and the pulling plate of the present invention;

fig. 4 is a schematic side view of the heat dissipation box of the present invention.

In the figure: 1. and a net cage; 2. an electric meter box; 3. an electricity meter; 4. a through hole; 5. a heat dissipation box body; 6. an exhaust pipe; 7. an exhaust port; 8. a storage plate; 9. a storage groove; 10. a support plate; 11. a hole groove; 12. a fixing plate; 13. installing a frame body; 14. a dust filter screen plate; 15. an outer frame; 16. a first movable slot; 17. a first board insert; 18. a first force application plate; 19. a first slot; 20. a second movable slot; 21. a second board plug; 22. a second slot; 23. a second force application plate; 24. pulling a plate; 25. a fixing pin; 26. a heat dissipating fan.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a photovoltaic grid-connected box safety assembly comprises a grid-connected box 1, an electric meter box 2 and an electric meter 3, wherein a heat dissipation box 5 is fixedly installed at the top of the electric meter box 2, an exhaust port 7 is formed in one end of the heat dissipation box 5, heat dissipation fans 26 are fixedly installed at one end, close to the exhaust port 7, of an inner cavity of the heat dissipation box 5, exhaust pipes 6 are symmetrically and fixedly connected to the left end and the right end of the bottom of the heat dissipation box 5, the lower end of each exhaust pipe 6 extends to the inner cavity of the electric meter box 2, the exhaust pipes 6 are communicated with the heat dissipation box 5, through holes 4 are symmetrically formed in the left end and the right end of the bottom of the electric meter box 2, the electric meter box 2 is communicated with the inner cavity of the grid-connected box 1 through the through holes 4, an installation frame body 13 is embedded in one side of the grid-connected box 1, a dust filtering screen plate 14 is arranged in the inner cavity of the installation frame body 13, the through cooperation of the heat dissipation box 5, the exhaust port 7, the heat dissipation fans 26, the exhaust pipes 6, the through holes 4 and the dust filtering screen plate 14, the mutual cooperation of the filter screen plate can accelerate the circulation of the air in the grid-connected box 1 and the inner cavity of the grid-connected box 2, thereby improving the heat dissipation box 1 and the circulation of the heat dissipation box 2, and preventing dust from entering of the dust;

an outer frame 15 is fixedly connected to the outer side of the dust filtering screen plate 14, the outer side of the outer frame 15 is attached to and slidably connected with the inner wall of the mounting frame body 13, a first movable groove 16 is formed in the bottom of the outer frame 15, a first inserting plate 17 is inserted into the inner cavity of the first movable groove 16, a first force applying plate 18 is fixedly connected to the upper end of the outer side of the first inserting plate 17, one end, away from the first inserting plate 17, of the first force applying plate 18 extends to the outer side of the outer frame 15, a first inserting groove 19 is formed in the bottom of the inner cavity of the mounting frame body 13, the first inserting plate 17 is closely attached to and slidably connected with the inner wall of the first movable groove 16, the lower end of the first inserting plate 17 is in inserting fit with the first inserting groove 19, a second movable groove 20 is formed in the top of the inner cavity of the mounting frame body 13, a second inserting plate 21 is inserted into an inner cavity of the second movable groove 20, a second force applying plate 23 is fixedly connected to the outer side of the upper end of the second inserting plate 21, one end, far away from the second inserting plate 21, of the second force applying plate 23 extends to the outer side of the mounting frame body 13, a second inserting groove 22 is formed in the top of the outer frame 15, the second inserting plate 21 is tightly attached to the inner wall of the second movable groove 20 and is in sliding connection, the lower end of the second inserting plate 21 is in inserting fit with the second inserting groove 22, and the dust filter plate 14 can be conveniently detached through the mutual fit of the mounting frame body 13, the outer frame 15, the first inserting plate 17, the first force applying plate 18, the first inserting groove 19, the second inserting plate 21, the second inserting groove 22 and the second force applying plate 23, so that the dust filter plate 14 can be conveniently cleaned or replaced;

the lower end of one side of the electric meter box 2 far away from the installation frame body 13 is hinged with a storage plate 8, the top of the storage plate 8 is provided with a storage groove 9, the storage groove 9 is matched with the storage plate 8 through the storage plate 8, so that parts such as tools and the like can be stored when maintenance and overhaul are facilitated, the storage and taking are not needed, convenience is improved, the lower end of one side of the installation frame body 13 is far away from the grid-connected box 1, the support plate 10 is located at the bottom of the storage plate 8, the upper end of the support plate 10 is in contact fit with the top of the storage plate 8, the support plate 8 is convenient to support through setting of the support plate 10, the upper end of one side of the installation frame body 13 is far away from the grid-connected box 1 and is fixedly connected with a fixed plate 12, the storage plate 8 is far away from and symmetrically provided with the front and rear ends of one side of the grid-connected box 1, hole grooves 11 are formed in a symmetrical mode, the top of the fixed plate 12 is provided with a pull plate 24, the front and rear ends of the bottom of the pull plate 24 are symmetrically connected with fixed pins 25, the lower end of the fixed plate 25, the bottom of the fixed plate 25 extends to the fixed plate 12, the fixed pin 25 is movably connected with the fixed plate 12, the fixed plate 25 in a plug-connected mode, the fixed plate 11, the hole grooves 11, the pull plate 24 is convenient to store and the set of the pull plate 25, the fixed plate 8, and occupy external space, and does not occupy.

It should be noted that, the utility model relates to a photovoltaic grid-connected box safety assembly, when in use, the heat dissipation box body 5, the exhaust port 7, the heat dissipation fan 26, the exhaust pipe 6, the through hole 4, the mutual cooperation of the dust filter screen plate 14 can accelerate and the circulation of the air inside the net box 1 and the electric meter box 2, specifically, the heat dissipation fan 26 extracts the hot air inside the net box 1 and the electric meter box 2, the hot air can be discharged rapidly, the outside air enters from the dust filter screen plate 14, thereby improving the heat dissipation effect, and can obstruct the entering of dust, in the installation frame body 13, the outer frame 15, the first inserting plate 17, the first force application plate 18, the first inserting groove 19, the second inserting plate 21, the second inserting groove 22, the mutual cooperation of the second force application plate 23 is convenient for the disassembly of the dust filter screen plate 14, specifically, the lower end of the second inserting plate 21 is pulled out from the inner cavity of the second inserting groove 22 upwards through the second force application plate 23, the lower end of the first inserting plate 17 is pulled out from the inner cavity of the first inserting groove 19 upwards through the first force applying plate 18, then the whole body formed by the outer frame 15 and the dust filtering screen plate 14 is pulled out from the inner side of the mounting frame body 13 outwards, so that the dust filtering screen plate 14 is convenient to clean or replace, the object placing plate 8 is matched with the object placing groove 9, so that parts such as storage tools and the like are convenient to maintain and repair, the object placing plate is not required to be stooped to fetch and place, the convenience is improved, the support plate 10 is convenient to support the object placing plate 8, the hole groove 11, the pull plate 24 and the fixing pins 25 are convenient to store and fix the object placing plate 8, the external space is not occupied, specifically, after the object placing plate 8 is used, the pull plate 24 upwards to drive the fixing pins 25 to move upwards, then the object placing plate 8 is turned upwards to be vertical, then the pull plate 24 is pressed upwards, so that the fixing pins 25 are in inserting and matching with the hole grooves 11, and then the fixing of the object placing plate 8 is completed, and the fixing pins 25 can be pulled out when in use, convenient operation and simple structure.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a grid-connected PV case safety subassembly, includes and box with a net (1), ammeter case (2), ammeter (3), its characterized in that: a heat dissipation box body (5) is fixedly installed at the top of the electric meter box (2), an exhaust port (7) is formed in one end of the heat dissipation box body (5), a heat dissipation fan (26) is fixedly installed at one end, close to the exhaust port (7), of an inner cavity of the heat dissipation box body (5), exhaust pipes (6) are symmetrically and fixedly connected to the left end and the right end of the bottom of the heat dissipation box body (5), through holes (4) are symmetrically formed in the left end and the right end of the bottom of the electric meter box (2), an installation frame body (13) is embedded in one side of the net cage (1) in a penetrating mode, and a dust filtering screen plate (14) is arranged in the inner cavity of the installation frame body (13);

an outer frame (15) is fixedly connected to the outer side of the dust filtering screen plate (14), a first movable groove (16) is formed in the bottom of the outer frame (15), a first inserting plate (17) is inserted into the inner cavity of the first movable groove (16), a first force applying plate (18) is fixedly connected to the upper end of the outer side of the first inserting plate (17), a first inserting groove (19) is formed in the bottom of the inner cavity of the mounting frame body (13), a second movable groove (20) is formed in the top of the inner cavity of the mounting frame body (13), a second inserting plate (21) is inserted into the inner cavity of the second movable groove (20), a second force applying plate (23) is fixedly connected to the outer side of the upper end of the second inserting plate (21), and a second inserting groove (22) is formed in the top of the outer frame (15);

the utility model discloses a mounting frame, including ammeter case (2), installation framework (13), lower extreme, and upper end fixedly connected with fixed plate (12), hole groove (11) have been seted up to the lower extreme that keeps away from installation framework (13) one side of ammeter case (2) one side lower extreme is articulated to have put thing board (8), put the top of thing board (8) and seted up and put thing groove (9), and box with a net (1) keep away from the lower extreme fixedly connected with backup pad (10) of installation framework (13) one side, and box with a net (1) keep away from the upper end fixedly connected with fixed plate (12) of installation framework (13) one side, put thing board (8) and keep away from and box with a net (1) one side around both ends symmetry and seted up hole groove (11), the top of fixed plate (12) is provided with arm-tie (24), both ends symmetry fixedly connected with fixed pin (25) around arm-tie (24) bottom.

2. The grid-connected PV box safety assembly of claim 1, wherein: the lower end of the exhaust pipe (6) extends to the inner cavity of the electric meter box (2), and the exhaust pipe (6) is communicated with the heat dissipation box body (5).

3. The grid-connected PV box safety assembly of claim 1, wherein: the electric meter box (2) is communicated with an inner cavity of the grid-connected box (1) through the through hole (4).

4. The grid-connected PV box safety assembly of claim 1, wherein: the outside of frame (15) and the inner wall laminating and sliding connection of installation framework (13), first picture peg (17) closely laminate and sliding connection with the inner wall in first activity groove (16) to the lower extreme and the cooperation of pegging graft of first slot (19) of first picture peg (17), second picture peg (21) closely laminate and sliding connection with the inner wall in second activity groove (20) to the lower extreme and the cooperation of pegging graft of second slot (22) of second picture peg (21), the one end that first picture peg (17) were kept away from in first application of force board (18) extends to the outside of frame (15), the one end that second picture peg (21) were kept away from in second application of force board (23) extends to the outside of installation framework (13).

5. The grid-connected PV box safety assembly of claim 1, wherein: the lower end of the fixing pin (25) extends to the bottom of the fixing plate (12), the fixing pin (25) is movably connected with the fixing plate (12), and the fixing pin (25) is in plug-in fit with the hole groove (11).

6. The grid-connected PV box safety assembly of claim 1, wherein: the supporting plate (10) is positioned at the bottom of the object placing plate (8), and the upper end of the supporting plate (10) is in contact fit with the top of the object placing plate (8).