CN210168009U

CN210168009U - Direct current collection flow box

Info

Publication number: CN210168009U
Application number: CN201921574874.2U
Authority: CN
Inventors: 董建
Original assignee: Chengdu Elite Ring Technology Co Ltd
Current assignee: Chengdu Elite Ring Technology Co Ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-03-20
Anticipated expiration: 2029-09-21

Abstract

The utility model discloses a direct current collection flow box belongs to direct current collection flow box field, a direct current collection flow box, including the backup pad, the both sides of backup pad all are equipped with the mounting hole, and the backup pad facial make-up is equipped with the slide cartridge, and the slide cartridge interlude has the traveller, and collection flow box body has been installed on the top of traveller, and the fixed plate has been installed to the one end of traveller. Can pull the bolt to the rear side, make the bolt deviate from the constant head tank, the spring is stretched, can hold the upwards pulling of handle, drive collection flow box body rebound, the traveller rebound in the slide cartridge, the downside that is close solar cell panel until the upside that converges the flow box body, and the bolt corresponds corresponding constant head tank, insert the constant head tank with the bolt, the restriction traveller reciprocates in the slide cartridge, elastic support through the spring, the constant head tank is deviate from to the restriction bolt, the height of converging the flow box body has been stabilized, the convenient downside position that will converge the flow box body and support at the solar cell panel that is close not co-altitude, and is more convenient.

Description

Direct current collection flow box

Technical Field

The utility model relates to a direct current collection flow box.

Background

In a solar photovoltaic power generation system, in order to reduce the use of a direct current junction box for connecting lines between a solar photovoltaic cell array and an inverter, a plurality of direct current junction boxes are developed by combining the design experience of a lightning protection system for many years, a user can connect a certain number of photovoltaic cells with the same specification in series to form a photovoltaic array, and then a plurality of photovoltaic arrays are connected into the direct current junction box in parallel.

The existing direct current confluence box is mostly arranged at the lower side of a solar cell panel and mainly shields sunlight and rainwater through the solar cell panel, the center position of the lower end of the direct current confluence box is welded and connected with a support column, the lower end of the support column is welded and connected with a support plate, two sides of the support plate are provided with mounting holes, an expansion bolt can be inserted into the mounting holes and is driven into a drilled hole on the concrete ground, then a nut on the expansion bolt is screwed, so that the lower end of the nut is tightly pressed against the upper end of the support plate, the direct current confluence box can be stably arranged at the lower side of the solar cell panel, two sides of the support plate are provided with connecting plates, the connecting plates are provided with screws, in order to ensure that the shell of the direct current confluence box has the effect of leading electricity to the ground, most of the grounding flat iron welded with steel bars in a building support beam is led to the sides of the, correspond the screw rod with drilling and embolia, then the nut locking screw rod of rethread can, however, because different roof positions, solar cell panel is different apart from roof ground height, and the collection flow box need be close the solar cell panel of its upside, in order to reduce the use length of power transmission line, consequently need choose for use the coupling mechanism of the backup pad of co-altitude and support column combination, then with the lower extreme of support column upper end welding collection flow box again, to the collection flow box installation operation in great region, such bearing structure is not convenient enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a direct current collection flow box to solve the problem that proposes among the above-mentioned background art.

For reaching above-mentioned purpose, the utility model provides an in an embodiment provides a direct current collection flow box, the camera includes a supporting plate, the both sides of backup pad all are equipped with the mounting hole, the backup pad facial make-up is equipped with the traveller, the interlude has the traveller in the traveller, the collection flow box body has been installed on the top of traveller, the fixed plate has been installed to the one end of traveller, be equipped with the slide opening on the fixed plate, the slide opening interpolation is equipped with the bolt, the vertical equipartition of one end of traveller has the constant head tank, the bolt is inserted the slide opening and is inserted the constant head tank, the one end joint support board of flexible conductor and flexible conductor is installed to the other end of traveller, the connecting plate has all been installed to the both sides of backup pad.

Furthermore, the sliding cylinder is of a square cylinder structure, and the sliding column is of a square column structure.

Furthermore, the handle is installed at the top of collection flow box body, and the handle is U type rod structure.

Furthermore, the bolt is sleeved with a spring, one end of the spring is connected with the tail of the bolt, and the other end of the spring is connected with the fixing plate.

Furthermore, the connecting plate is of a square plate structure.

To sum up, the utility model has the advantages of it is following:

first, can pull the bolt to the rear side, make the bolt deviate from the constant head tank, the spring is stretched, can hold the upwards pulling of handle, drive and converge flow box body rebound, the traveller rebound in the slide cartridge, the downside that is close solar cell panel until the upside that converges flow box body, and the bolt corresponds corresponding constant head tank, insert the bolt in the constant head tank, the restriction traveller reciprocates in the slide cartridge, elastic support through the spring, the constant head tank is deviate from to the restriction bolt, the height of converging flow box body has been stabilized, the convenient downside position that will converge flow box body and support at the solar cell panel of being close co-altitude, and is more convenient.

Second, the flexible conductor flexible, can cooperate the traveller to reciprocate and curl or extend in the slide cartridge, will lead to the connecting plate other with the building supporting beam in the steel bar welded ground connection band iron, and with the nut screw rod of unscrewing, and drill into the drilling on the band iron respectively, correspond the screw rod with the drilling and embolia, then the rethread nut locking screw rod can, compress tightly downwards through the nut, can make the lower extreme of ground connection band iron compressed tightly in the upper end of connecting plate, thereby the circulation passes through the traveller on the shell of collection flow box body, the flexible conductor, backup pad and connecting plate conduction are to the ground connection band iron on, at last through building supporting beam in the steel bar conduction to the underground.

Drawings

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

fig. 2 is a schematic view partially cut away from the front view in one embodiment of the present invention;

fig. 3 is a schematic left-side partially cut-away view of an embodiment of the present invention;

fig. 4 is a schematic top view of an embodiment of the present invention with a cross-sectional underside.

Wherein, 1 backup pad, 2 mounting holes, 3 slide cartridge, 4 travellers, 5 collection flow box bodies, 6 handles, 7 fixed plates, 8 slide holes, 9 bolts, 10 constant head tank, 11 springs, 12 flexible conductor, 13 connecting plates, 14 screws, 15 nuts.

Detailed Description

Referring to fig. 1, 2, 3 and 4, a direct current junction box comprises a support plate 1, wherein mounting holes 2 are formed in two sides of the support plate 1, the support plate 1 is made of stainless steel, the mounting holes 2 are circular hole structures and are symmetrically arranged on the left side and the right side of the support plate 1, expansion bolts can be inserted into the mounting holes 2 and can be driven into drilled holes drilled in the concrete ground, nuts on the expansion bolts are screwed, so that the lower ends of the nuts press the upper end of the support plate 1, a junction box body 5 can be stably arranged on the lower side of a solar cell panel, a slide cylinder 3 is arranged on the support plate 1, the center position of the upper end face of the support plate 1 is welded and connected with the lower end of the slide cylinder 3, a slide column 4 is inserted into the slide cylinder 3, the slide cylinder 3 is of a square cylinder structure, the slide column 4 is of a square column structure, the slide cylinder 3 is in sliding insertion fit with the slide column 4, and the fit section, the sliding column 4 is made of stainless steel, the sliding column 4 can be limited to rotate when moving up and down in the sliding barrel 3, the top end of the sliding column 4 is provided with a confluence box body 5, the upper end of the sliding column 4 is welded and connected with the central position of the lower end face of the confluence box body 5, the top of the confluence box body 5 is provided with a handle 6, the middle side of the upper end of the confluence box body 5 is welded and connected with the lower end of the handle 6, the confluence box body 5 can be pulled up and down by holding the handle 6, the handle 6 is of a U-shaped rod structure, one end of the sliding barrel 3 is provided with a fixed plate 7, the fixed plate 7 is of a right-angle plate structure, the upper side of the rear end of the sliding barrel 3 is welded and connected with the front end of the fixed plate 7, the fixed plate 7 is provided with a sliding hole 8, the sliding hole 8 is of a circular hole structure, the sliding hole 8 is arranged at the central position of the vertical part of the, constant head tank 10 is circular groove structure, vertical even setting is in the rear end of traveller 4 inboard, bolt 9 inserts slide opening 8 and inserts constant head tank 10, bolt 9 is the slip fit-in with constant head tank 10, the cover is equipped with spring 11 on the bolt 9, spring 11 is the tensile type of contracting, initial tensile power of contracting is 20 newtons, the vertical portion rear end of front end welded connection fixed plate 7 of spring 11, the rear end welded connection bolt 9's of spring 11 rear portion, elastic support through spring 11, restriction bolt 9 is deviate from constant head tank 10, distance between two vertical adjacent constant head tanks 10 is 5 centimetres, the afterbody of spring 11's one end connecting bolt 9, fixed plate 7 is connected to spring 11's the other end.

Referring to fig. 1, 2, 3 and 4, the other end of the sliding column 4 is provided with a flexible conducting wire 12, one end of the flexible conducting wire 12 is connected with the support plate 1, the flexible conducting wire 12 is a copper braided wire, the diameter of the cross section is 5 mm, the length of the flexible conducting wire is designed to be longer than the height of the sliding cylinder 3 by 5 cm, the flexible conducting wire 12 can be bent and can be curled or extended in the sliding cylinder 3 by matching with the up and down movement of the sliding column 4, the upper end of the flexible conducting wire 12 is connected with the lower end surface of the sliding column 4 in a fusion mode, the lower end of the flexible conducting wire 12 is connected with the inner bottom end of the sliding cylinder 3 in a fusion mode, two sides of the support plate 1 are provided with connecting plates 13, the two connecting plates 13 are respectively arranged on the front middle side and the rear middle side of the support plate 1, the connecting plates 13 and the support plate 1 are in a fusion-casting integrated piece, the connecting plates 13 are square plate structure, one end of, and the nut 15 is screwed out of the screw 14, the flat iron is respectively drilled with the drill holes, the drill holes are sleeved in corresponding to the screw 14, then the screw 14 is locked through the nut 15, the lower end of the grounding flat iron can be tightly pressed at the upper end of the connecting plate 13 through downward pressing of the nut 15, so that the current on the shell of the combiner box body 5 is conducted to the grounding flat iron through the sliding column 4, the flexible lead 12, the supporting plate 1 and the connecting plate 13, and finally conducted to the ground through the steel bar in the support beam of the building, and the nut 15 is connected to the screw 14 in a threaded manner.

An expansion bolt can be inserted into the mounting hole 2, the expansion bolt is driven into a drilled hole drilled in the concrete ground, then a nut on the expansion bolt is screwed, the lower end of the nut is pressed against the upper end of the support plate 1, the confluence box body 5 can be stably arranged at the lower side of the solar cell panel, when the height of the confluence box body 5 and the ground needs to be adjusted, the bolt 9 can be pulled towards the rear side, the bolt 9 is separated from the positioning groove 10, the spring 11 is stretched, the handle 6 can be held to be pulled upwards to drive the confluence box body 5 to move upwards, the sliding column 4 moves upwards in the sliding barrel 3 until the upper side of the confluence box body 5 is close to the lower side of the solar cell panel, the bolt 9 corresponds to the corresponding positioning groove 10, the bolt 9 is inserted into the positioning groove 10, the sliding column 4 is limited to move upwards and downwards in the sliding barrel 3, and the bolt 9 is limited to be separated from the positioning groove, the height of the current collecting box body 5 is stabilized, the current collecting box body 5 is conveniently supported at the lower side position of a solar cell panel close to different heights, the current collecting box is more convenient, in the period, the flexible lead 12 can be bent, the sliding column 4 can be matched to move up and down and can be curled or extended in the sliding cylinder 3, the grounding flat iron welded with steel bars in a building supporting beam is led to the side of the connecting plate 13, the nut 15 is screwed out of the screw 14, drilling holes are respectively drilled in the flat iron, the drilling holes correspond to the screw 14 and are sleeved in the screw 14, then the screw 14 is locked through the nut 15, downward pressing through the nut 15 can enable the lower end of the grounding flat iron to be pressed at the upper end of the connecting plate 13, and therefore current on the shell of the current collecting box body 5 is conducted to the grounding flat iron through the sliding column 4, the flexible lead 12, the supporting plate 1 and the connecting plate 13, and finally conducted.

While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. The utility model provides a direct current collection flow box, includes backup pad (1), its characterized in that: mounting holes (2) are formed in two sides of the supporting plate (1), a sliding cylinder (3) is arranged on the supporting plate (1), a sliding column (4) is inserted in the sliding cylinder (3), a confluence box body (5) is arranged at the top end of the sliding column (4), a fixing plate (7) is arranged at one end of the sliding cylinder (3), a sliding hole (8) is formed in the fixing plate (7), a bolt (9) is inserted in the sliding hole (8), positioning grooves (10) are vertically and uniformly formed in one end of the sliding column (4), the bolt (9) is inserted into the sliding hole (8) and inserted into the positioning grooves (10), a flexible conductor (12) is arranged at the other end of the sliding column (4), one end of the flexible conductor (12) is connected with the supporting plate (1), connecting plates (13) are arranged on two sides of the supporting plate (1), and a screw (14) is arranged at one end of the connecting plate (13, the screw rod (14) is in threaded connection with a nut (15).

2. A dc combiner box as recited in claim 1, wherein: the sliding cylinder (3) is of a square cylinder structure, and the sliding column (4) is of a square column structure.

3. A dc combiner box as recited in claim 1, wherein: the handle (6) is installed at the top of the combiner box body (5), and the handle (6) is of a U-shaped rod structure.

4. A dc combiner box as recited in claim 1, wherein: the bolt (9) is sleeved with a spring (11), one end of the spring (11) is connected with the tail of the bolt (9), and the other end of the spring (11) is connected with the fixing plate (7).

5. A dc combiner box as recited in claim 1, wherein: the connecting plate (13) is of a square plate structure.