CN213125972U - Lightning protection combiner box - Google Patents

Abstract

The utility model discloses a lightning-protection combiner box, which belongs to the technical field of combiner boxes, and comprises a combiner box main body, wherein a plurality of grounding assemblies are arranged below the combiner box main body, ventilating devices are arranged on both sides of the combiner box main body, each ventilating device comprises a fan blade, a motor, a movable box, a first nut, a movable plate and a first screw rod, the movable boxes are arranged on both sides of the combiner box main body, the movable plates are arranged on both upper and lower sides of the movable boxes, the first screw rods are connected to the inner sides of the movable plates in a sliding manner, and the first screw rods are connected with the combiner box main body; the utility model discloses a set up handle, flabellum, motor, removal box, first nut, movable plate, limiting plate and first screw rod for the collection flow box can seal the collection flow box main part in rain and fog weather, thereby prevents that rain and fog from getting into the collection flow box main part, and can assist the heat dissipation through the flabellum when the collection flow box dispels the heat, thereby has improved the practicality of collection flow box.

Description

Lightning protection combiner box

Technical Field

The utility model belongs to the technical field of the collection flow box, concretely relates to lightning protection collection flow box.

Background

The junction box is a wiring device for ensuring the orderly connection and junction functions of photovoltaic modules in a photovoltaic power generation system. The device can ensure that the photovoltaic system is easy to cut off the circuit during maintenance and inspection, and reduces the power failure range when the photovoltaic system breaks down.

Chinese patent application No. CN201921669104.6 discloses a photovoltaic lightning combiner box, through the lower extreme erection bracing post at the box, the lower extreme design base of support column, construction bolt in the base, and the bolt squeezes into inside the ground, both can support the box, and when box electric leakage or had the thunderbolt, can constitute ground protection structure through support column, base and bolt in addition, realize earth leakage protection and lightning protection, the security that has improved the combiner box, simple structure is reliable moreover, and is with low costs.

The prior art has the following problems: 1. the problem that rainwater of the junction box easily enters the box body exists in the above patent, so that the internal structure of the junction box is easily damaged, and the practicability of the junction box is further reduced; 2. above-mentioned patent exists the collection flow box and causes the problem of damage because of reasons such as hail easily to the protective capacities of collection flow box has been reduced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a lightning combiner box has the characteristics that the practicality is high, protective capacities is strong.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lightning combiner box, includes the combiner box main part, a plurality of ground connection subassemblies are installed to the below of combiner box main part, ventilation unit is all installed to the both sides of combiner box main part, ventilation unit includes flabellum, motor, removal box, first nut, movable plate and first screw rod, the both sides of combiner box main part all are provided with the removal box, the movable plate is all installed to the upper and lower both sides of removing the box, the inboard sliding connection of movable plate has first screw rod, first screw rod and combiner box main part are connected, just be located the both sides of movable plate on the first screw rod and all install first nut, the motor is installed to the inboard of removing the box, the flabellum is installed in the outside of motor output.

Preferably, a handle is mounted on one side of the movable box, which is far away from the main body of the junction box.

Preferably, a limiting plate is installed on one side, away from the header box main body, of the first screw through threads.

Preferably, the outer side of the limiting plate is provided with anti-skid grains.

Preferably, the shielding device is installed above the header box main body and comprises a shell, a sliding plate, a connecting column, a shielding plate, a mounting plate, an arch-shaped plate, a second screw rod, fixing plates, connecting blocks and a second nut, the shielding plate is arranged above the header box main body, the two fixing plates are installed below the shielding plate and connected through the second screw rod, the two connecting blocks are connected outside the second screw rod in a sliding manner, the second screw rod is provided with the second nuts on two sides of the connecting blocks, the connecting column is installed below the connecting blocks, the sliding plate is installed below the connecting column, the shell is connected outside the sliding plate in a sliding manner, the arch-shaped plate is installed on the inner side of the shell and below the sliding plate, the mounting plate is installed below the shell and connected with the mounting plate, the mounting plate is connected with the header box main body through screws.

Preferably, the arch plate is made of rubber.

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

1. the utility model discloses a set up handle, flabellum, motor, removal box, first nut, movable plate, limiting plate and first screw rod for the collection flow box can seal the collection flow box main part in rain and fog weather, thereby prevents that rain and fog from getting into the collection flow box main part, and can assist the heat dissipation through the flabellum when the collection flow box dispels the heat, thereby has improved the practicality of collection flow box.

2. The utility model discloses a set up casing, slide, spliced pole, shielding plate, mounting panel, arch-shaped plate, second screw rod, fixed plate, connecting block and second nut for the collection flow box can cushion the impact that the hail etc. come from the top, and can adjust the position of connecting block and below structure as required, thereby adapt to the different collection flow box, and then improved the protective capacities of collection flow box.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic structural view of the ventilation device of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. a ground component; 2. a ventilation device; 21. a handle; 22. a fan blade; 23. a motor; 24. moving the cartridge; 25. a first nut; 26. moving the plate; 27. a limiting plate; 28. a first screw; 3. a header box main body; 4. a shielding device; 41. a housing; 42. a slide plate; 43. connecting columns; 44. a shielding plate; 45. mounting a plate; 46. an arch plate; 47. a second screw; 48. a fixing plate; 49. connecting blocks; 410. a second nut.

Detailed Description

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. 1-3, the present invention provides the following technical solutions: the utility model provides a lightning-protection combiner box, including combiner box main part 3, a plurality of ground connection subassemblies 1 are installed to combiner box main part 3's below, ventilation unit 2 is all installed to combiner box main part 3's both sides, ventilation unit 2 includes flabellum 22, motor 23, remove box 24, first nut 25, movable plate 26 and first screw rod 28, combiner box main part 3's both sides all are provided with removes box 24, movable plate 26 is all installed to the upper and lower both sides of removing box 24, the inboard sliding connection of movable plate 26 has first screw rod 28, first screw rod 28 is connected with combiner box main part 3, first nut 25 is all installed to the both sides that just are located movable plate 26 on the first screw rod 28, motor 23 is installed to the inboard of removing box 24, flabellum 22 is installed in the outside of motor 23 output.

Specifically, a handle 21 is mounted on the side of the movable box 24 away from the main body 3 of the junction box,

by adopting the technical scheme, the mobile box 24 can be operated by the worker through the handle 21, so that the convenience in use is improved.

Specifically, a limit plate 27 is installed on one side of the first screw 28 away from the header box main body 3 through threads,

through adopting above-mentioned technical scheme for remove box 24 and can obtain certain spacing when needing.

Specifically, the outer side of the limit plate 27 is provided with anti-skid grains,

through adopting above-mentioned technical scheme, the phenomenon that the hand appears smooth when having prevented to rotate limiting plate 27.

Specifically, the shielding device 4 is installed above the header box main body 3, the shielding device 4 includes a housing 41, a sliding plate 42, a connecting column 43, a shielding plate 44, an installation plate 45, an arch-shaped plate 46, a second screw 47, fixing plates 48, connecting blocks 49 and second nuts 410, the shielding plate 44 is installed above the header box main body 3, two fixing plates 48 are installed below the shielding plate 44, the two fixing plates 48 are connected through the second screw 47, two connecting blocks 49 are slidably connected to the outer side of the second screw 47, the second nuts 410 are installed on the second screw 47 and located on two sides of the connecting block 49, the connecting column 43 is installed below the connecting block 49, the sliding plate 42 is installed below the connecting column 43, the housing 41 is slidably connected to the outer side of the sliding plate 42, the arch-shaped plate 46 is installed on the inner side of the housing 41 and located below the sliding plate 42, the installation plate 45 is installed below the housing, the arch-shaped plate 46 is connected with the mounting plate 45, the mounting plate 45 is connected with the header box main body 3 through screws,

through adopting above-mentioned technical scheme for the collection flow box can cushion the impact that the hail etc. come from the top, and can adjust the position of connecting block 49 and below structure as required, thereby adapt to different collection flow boxes.

Specifically, the material of the arch-shaped plate 46 is rubber,

by adopting the technical scheme, the buffering capacity of the arch plate 46 is ensured.

The utility model discloses well ground connection subassembly 1 and collection flow box main part 3's structure and principle have been disclosed in the photovoltaic lightning protection collection flow box that chinese patent application number is CN201921669104.6 discloses.

The utility model discloses a theory of operation and use flow: when the installation shelters from device 4, twist and move second nut 410, make it keep away from connecting block 49, pulling connecting block 49 to make it move along second screw rod 47 with its below structure, after removing suitable position, the second nut 410 of rethread connecting block 49 both sides is fixed again, and two connecting blocks 49 all adjust fixed back that finishes, through screw with mounting panel 45 and collection flow box main part 3 fixed connection, the installation is accomplished. When an impact is applied to the upper side of the combiner box, the shielding plate 44 is buffered by the sliding of the sliding plate 42 below the connecting column 43 in the housing 41 and the elastic deformation of the arched plate 46, so that the damage caused by the impact is reduced. When the internal structure of the header box main body 3 needs to dissipate heat, the first nut 25 in the ventilation device 2 is screwed to be away from the moving plate 26, the handle 21 is pulled, so that the moving box 24 and the moving plate 26 are driven to slide along the first screw 28 to one side away from the header box main body 3, after the movement is finished, the moving plate 26 and the moving box 24 are fixed again through the first nut 25, the motor 23 is started, the motor 23 drives the fan blades 22 to rotate, and the heat is dissipated by matching with the structures on the two sides of the header box main body 3. When meeting with rain and fog weather, twist first nut 25, make it keep away from movable plate 26, promote handle 21 to drive and remove box 24 and hug closely collection flow box main part 3, after the removal finishes, again through first nut 25 with movable plate 26 and remove box 24 and fix again, thereby seal collection flow box main part 3, prevent that rain and fog from getting into. When the movable box 24 and the upper structure thereof need to be removed, the limit plate 27 is unscrewed, then the first nut 25 on the side of the movable plate 26 away from the combiner box main body 3 is unscrewed, the handle 21 is pulled, so that the movable plate 26 is separated from the first screw 28, and the movable box 24 and the upper structure thereof are removed.

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 (6)

1. The utility model provides a lightning-protection combiner box, includes combiner box main part (3), its characterized in that: a plurality of grounding assemblies (1) are arranged below the header box main body (3), ventilating devices (2) are arranged on two sides of the header box main body (3), the ventilation device (2) comprises fan blades (22), a motor (23), a moving box (24), a first nut (25), a moving plate (26) and a first screw rod (28), both sides of the confluence box main body (3) are provided with movable boxes (24), the upper side and the lower side of each movable box (24) are provided with movable plates (26), the inner side of the moving plate (26) is connected with a first screw rod (28) in a sliding way, the first screw rod (28) is connected with the confluence box main body (3), first nuts (25) are arranged on the first screw (28) and positioned on two sides of the moving plate (26), the motor (23) is installed to the inboard of removing box (24), flabellum (22) are installed to the outside of motor (23) output.

2. The lightning protection combiner box of claim 1, wherein: and a handle (21) is arranged on one side of the movable box (24) far away from the confluence box main body (3).

3. The lightning protection combiner box of claim 1, wherein: and a limiting plate (27) is installed on one side, away from the confluence box main body (3), of the first screw (28) through threads.

4. The lightning protection combiner box of claim 3, wherein: the outer side of the limiting plate (27) is provided with anti-skid grains.

5. The lightning protection combiner box of claim 1, wherein: the shielding device (4) is installed above the header box main body (3), the shielding device (4) comprises a shell (41), a sliding plate (42), a connecting column (43), a shielding plate (44), a mounting plate (45), an arch-shaped plate (46), a second screw (47), fixing plates (48), a connecting block (49) and a second nut (410), the shielding plate (44) is arranged above the header box main body (3), the two fixing plates (48) are installed below the shielding plate (44), the two fixing plates (48) are connected through the second screw (47), the two connecting blocks (49) are connected to the outer side of the second screw (47) in a sliding mode, the second nuts (410) are installed on the two sides, located on the connecting block (49), of the second screw (47), the connecting column (43) is installed below the connecting block (49), slide (42) are installed to the below of spliced pole (43), the outside sliding connection of slide (42) has casing (41), arched plate (46) are installed to the inboard of casing (41) and the below that is located slide (42), mounting panel (45) are installed to the below of casing (41), arched plate (46) are connected with mounting panel (45), be connected through the screw between mounting panel (45) and collection flow box main part (3).

6. The lightning protection combiner box of claim 5, wherein: the arch-shaped plate (46) is made of rubber.

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