Search

CN-224218357-U - Combiner box device for photovoltaic power generation system

CN224218357UCN 224218357 UCN224218357 UCN 224218357UCN-224218357-U

Abstract

The utility model discloses a junction box device for a photovoltaic power generation system, which comprises a junction box body, wherein a connecting plate is fixedly arranged on the outer side of the junction box body. According to the utility model, the wall can be directly drilled, the U-shaped bracket can be fixed on the outer side of the wall by penetrating through the outer connecting plate and fastening the outer connecting plate to the wall through the bolts, then a person can directly pre-drill the wall by penetrating through the square plate through the drill bit without measuring the distance between the connecting plates, and then the junction box body is directly placed at the top position of the U-shaped bracket from top to bottom, so that the connecting plates can be inserted into the limiting grooves, positioning work on the bottom position of the junction box body is completed, then the person can directly penetrate through the square plate and the connecting plates respectively through the bolts and fastening the inner side of the wall to effectively fix the position of the junction box body.

Inventors

  • YANG JINXIAO
  • ZHU MENG
  • HUANG YULIN

Assignees

  • 潍坊炜桦冷弯机械制造有限公司

Dates

Publication Date
20260508
Application Date
20250412

Claims (7)

  1. 1. The utility model provides a converging box device for photovoltaic power generation system, which is characterized in that the device comprises a converging box body (1), connecting plate (2) are fixedly arranged at the outer side of converging box body (1), U-shaped bracket (3) are contradicted at the bottom of converging box body (1), outer connecting plate (4) are fixedly arranged at the outer side of U-shaped bracket (3), square plate (5) are fixedly arranged at the top of U-shaped bracket (3), spacing groove (6) and discharge gate (7) are respectively arranged at the outer side of square plate (5), connecting plate (2) are inserted in the outer side of spacing groove (6), sealing frame plate (8) are sleeved at the outer side of converging box body (1), oblique strut (9) and long strut (10) are fixedly arranged at the outer side of sealing frame plate (8) respectively, the other end of oblique strut (9) is fixedly connected to the outer side of long strut (10), one end of long strut (10) is inserted in the inner side of threaded cylinder (11), threaded cylinder (11) is fixedly arranged on the outer side of square plate (5), annular strut (11) is fixedly arranged at the outer side of annular strut (12), annular strut (12) is fixedly arranged at the outer side of annular strut (10), the nut (13) is connected to the outside of the screw cylinder (11) in a meshing manner.
  2. 2. The combiner box device for the photovoltaic power generation system according to claim 1, wherein a groove (14) is formed in the top center position of the U-shaped support (3), and a level bubble (15) is fixedly arranged in the groove (14).
  3. 3. The combiner box arrangement for a photovoltaic power generation system according to claim 1, characterized in that a reinforcing rod (16) is fixedly mounted on the outer side of the square plate (5), and the other end of the reinforcing rod (16) is fixedly arranged on the outer side of the U-shaped bracket (3).
  4. 4. The combiner box arrangement for a photovoltaic power generation system according to claim 1, characterized in that the outer side of the nut (13) is provided with anti-slip patterns (17), the anti-slip patterns (17) being equidistantly distributed on the outer side of the nut (13).
  5. 5. The junction box device for a photovoltaic power generation system according to claim 1, wherein the nut (13) is sleeved on the outer side of the annular plate (12), and the thread engaged and connected between the nut (13) and the threaded cylinder (11) is a fine thread.
  6. 6. The combiner box arrangement for a photovoltaic power generation system according to claim 1, characterized in that the connection plate (2) is slidable inside a limit groove (6), the thickness between the connection plate (2) and the U-shaped bracket (3) being the same.
  7. 7. The junction box device for a photovoltaic power generation system according to claim 1, wherein the discharge port (7) is located at a position below the connecting plate (2), and the width of the discharge port (7) is larger than the diameter of a circular hole on the connecting plate (2).

Description

Combiner box device for photovoltaic power generation system Technical Field The utility model relates to the technical field of photovoltaic power generation, in particular to a combiner box device for a photovoltaic power generation system. Background The junction box is a wiring device for ensuring orderly connection and junction functions of photovoltaic modules in the photovoltaic power generation system, a user can connect a certain number of photovoltaic cells with the same specification in series to form a plurality of photovoltaic arrays, then a plurality of photovoltaic arrays are connected into the photovoltaic junction box in parallel, after junction in the photovoltaic junction box, the junction box is matched with a controller, a direct current power distribution cabinet, a photovoltaic inverter and an alternating current power distribution cabinet to form a complete photovoltaic power generation system, and the junction box is connected with a mains supply to ensure that the photovoltaic system is easy to cut off during maintenance and inspection, so that the power failure range is reduced when the photovoltaic system breaks down. At present, the current bus box on the market still has some problems in the installation process, the space measurement is carried out between the round holes on the connecting plate on the outside of the bus box, then the drilling work is carried out on the wall body, then personnel place the bus box on the outside of the wall body, through the adjustment on the position of the bus box repeatedly, the bolts can penetrate through the round holes of the connecting plate and are inserted into the holes of the wall body, in the operation above, the outside of the wall body can not be directly drilled, the subsequent bus box needs to be repeatedly adjusted, and the positioning on the position of the bus box is not carried out, so that the whole installation work is relatively slow, and therefore, the bus box device for a photovoltaic power generation system is proposed to solve the problems. Disclosure of utility model The present utility model is directed to a combiner box arrangement for a photovoltaic power generation system to solve the problems set forth in the background art described above. The utility model provides the technical scheme that the junction box device for the photovoltaic power generation system comprises a junction box body, wherein a connecting plate is fixedly arranged on the outer side of the junction box body, a U-shaped support is abutted to the bottom end of the junction box body, an outer connecting plate is fixedly arranged on the outer side of the U-shaped support, a square plate is fixedly arranged at the top of the U-shaped support, a limit groove and a discharge hole are respectively formed in the outer side of the square plate, the connecting plate is inserted into the limit groove, a sealing frame plate is sleeved on the outer side of the junction box body, an inclined strut and a long strut are respectively fixedly arranged on the outer side of the sealing frame plate, the other end of the inclined strut is fixedly connected to the outer side of the long strut, one end of the long strut is inserted into the inside of a threaded cylinder, the threaded cylinder is fixedly arranged on the outer side of the square plate, an annular plate is abutted to the outer side of the threaded cylinder, a nut is sleeved on the outer side of the long strut, and the nut is connected to the outer side of the threaded cylinder in a meshed mode. As a further preferable mode of the technical scheme, a groove is formed in the center of the top of the U-shaped support, and a level bubble is fixedly arranged in the groove. As a further preferable mode of the technical scheme, a reinforcing rod is fixedly arranged on the outer side of the square plate, and the other end of the reinforcing rod is fixedly arranged on the outer side of the U-shaped bracket. As a further preferable mode of the technical scheme, anti-skidding lines are formed in the outer side of the nut, and the anti-skidding lines are equidistantly distributed on the outer side of the nut. As a further preferable mode of the technical scheme, the nut is sleeved on the outer side of the annular plate, and the thread engaged and connected between the nut and the thread cylinder is fine thread. As a further preferable mode of the technical scheme, the connecting plate can slide in the limiting groove, and the thickness between the connecting plate and the U-shaped bracket is the same. As a further preferable mode of the technical scheme, the discharge hole is arranged at the lower position of the connecting plate, and the width of the discharge hole is larger than the diameter of the round hole on the connecting plate. The utility model provides a junction box device for a photovoltaic power generation system, which has the following beneficial effects: According to the utility model, the wall ca