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CN-224233641-U - Photovoltaic junction box

CN224233641UCN 224233641 UCN224233641 UCN 224233641UCN-224233641-U

Abstract

The application relates to a photovoltaic junction box, which belongs to the technical field of photovoltaic equipment and comprises a lower shell, an upper cover body for closing an opening of the lower shell and a conductive assembly which is arranged on the lower shell and matched with a bus bar, wherein an installation plate which extends towards the direction away from the lower shell and is used for installing a solar panel is arranged on the outer side wall of the lower shell, reinforcing rib plates are arranged on two sides of the bottom surface of the installation plate, a glue placing groove is formed between every two adjacent reinforcing rib plates, and a connecting through groove which penetrates through an inner cavity and an outer cavity of the lower shell and is used for allowing the bus bar to pass is formed in one side of the installation plate. The application has the effect of providing a photovoltaic junction box capable of adapting to the installation of solar panels with various thicknesses.

Inventors

  • SHI SHUMING
  • MA XIFANG
  • HUANG QUNYA

Assignees

  • 浙江中环赛特光伏科技有限公司

Dates

Publication Date
20260512
Application Date
20250607

Claims (10)

  1. 1. The photovoltaic junction box is characterized by comprising a lower shell (1), an upper cover body (2) for covering an opening of the lower shell (1) and a conductive assembly (3) which is arranged on the lower shell (1) and matched with a bus bar (6), wherein an installation plate (11) which extends towards the direction away from the lower shell (1) and is used for installing a solar panel (5) is arranged on the outer side wall of the lower shell (1), reinforcing rib plates (111) are arranged on two sides of the bottom surface of the installation plate (11), a glue placing groove (112) is formed between every two adjacent reinforcing rib plates (111), and a connecting through groove (12) which penetrates through an inner cavity and an outer cavity of the lower shell (1) and is used for allowing the bus bar (6) to pass through is formed on one side of the installation plate (11).
  2. 2. A photovoltaic junction box according to claim 1, characterized in that the lower housing (1) has a first arrangement area (13) and a second arrangement area (14) for arranging a conductive assembly (3), the conductive assembly (3) comprising two conductive sheets (31) arranged in the first arrangement area (13), a diode (32) arranged between the two conductive sheets (31) and a conductive cable (33) arranged in the second arrangement area (14) and extending to the outer cavity of the lower housing (1).
  3. 3. A photovoltaic junction box according to claim 2, wherein the conductive sheet (31) is provided with a limiting hole (311), the lower housing (1) is provided with a first abutting block (131) and a second abutting block (132) for abutting the conductive sheet (31) in the first arrangement area (13), and the top surface of the first abutting block (131) is provided with a limiting boss (1311) protruding towards a direction away from the first abutting block (131) and matched with the limiting hole (311).
  4. 4. A photovoltaic junction box according to claim 3, characterized in that the conductive sheet (31) has a connection portion (312) protruding in the direction of the diode (32) and that the conductive sheet (31) is provided with limit flanges (313) on both sides of the connection portion (312).
  5. 5. The photovoltaic junction box according to claim 2, wherein the diode (32) comprises a diode body (321) and pins (322) connected to two sides of the diode body (32), one end of the pins (322) away from the diode body (321) is bent towards the diode body (321), and the pins (322) are flat.
  6. 6. The photovoltaic junction box according to claim 2, wherein the conductive cable (33) is elliptical, the lower housing (1) is provided with a mounting through groove (141) which is matched with the conductive cable (33) and is used for the conductive cable (33) to pass through, the lower housing (1) is provided with a sealing pressing block (4) matched with the mounting through groove (141) at the mounting through groove (141), and the sealing pressing block (4) is provided with an abutting groove (41) which is in abutting fit with the outer side wall of the conductive cable (33).
  7. 7. The photovoltaic junction box according to claim 6, wherein the lower housing (1) is provided with first stoppers (1411) symmetrically along the axial direction of the conductive cable (33) at the mounting through groove (141), and the sealing press block (4) is provided with second stoppers (411) symmetrically along the axial direction of the conductive cable (33) at the abutment groove (41).
  8. 8. The photovoltaic junction box according to claim 6, wherein the sealing press block (4) is provided with a sealing part (42) and a limiting convex part (43), the lower shell (1) is provided with a limiting opening (15) for arranging the limiting convex part (43) and limiting the sealing part (42) at the mounting through groove (141), the bottom of the sealing part (42) is provided with a guide groove (421), the lower shell (1) is provided with an abutting platform (16) for abutting the bottom surface of the sealing press block (4) at the mounting through groove (141), the top surface of the abutting platform (16) is provided with a guide block (161) matched with the guide groove (421), and the top of the guide block (161) is further provided with a locking block (162) extending towards a direction away from the guide block (161) and abutting the side wall of the sealing press block (4).
  9. 9. The photovoltaic junction box according to claim 1, wherein the lower housing (1) and the upper cover body (2) are connected through a clamping structure, the clamping structure comprises a clamping block (18) mounted on the inner side wall of the lower housing (1) and a clamping groove (21) formed in the upper cover body (2), and the top surface of the clamping block (18) is inclined downwards away from the lower housing (1).
  10. 10. A photovoltaic junction box according to claim 1, wherein the inner side wall of the lower case (1) is provided with a plurality of reinforcing ribs (17) at intervals along the length direction of the lower case (1), and the number of the reinforcing ribs (17) is not less than 6.

Description

Photovoltaic junction box Technical Field The application relates to the technical field of photovoltaic equipment, in particular to a photovoltaic junction box. Background The photovoltaic junction box is a connecting device between a solar cell matrix formed by the solar cell modules and the solar charging control device, and mainly used for connecting and protecting the solar cell modules, connecting the power generated by the solar cells with an external circuit and conducting the current generated by the solar cell modules. In the use of the photovoltaic junction box, the junction box is required to be connected with the solar panel and the bus bar, solar energy is converted into electric energy through the solar panel, and the solar panel and the junction box are connected through the bus bar and the collected electric energy is transmitted to the junction box. The Chinese patent publication No. CN219643517U discloses a junction box convenient to install, which comprises a bottom box, a cover component and a conductive component, wherein the cover component comprises a first cover body, a second cover body and a third cover body, the third cover body is jointed with the second cover body, and a bus bar is pressed between the third cover body and the bottom box. For the related art, the solar panel is fixed in the junction box through the pressing action between the upper shell and the lower shell, the inventor considers that the junction box has higher requirements on the solar panel installed in the junction box, and the junction box has unsatisfactory use flexibility and can only be suitable for solar panels with single thickness. Disclosure of utility model In order to provide a photovoltaic junction box capable of adapting to solar panel installation of various thicknesses, the application provides the photovoltaic junction box. The application provides a photovoltaic junction box which adopts the following technical scheme: The photovoltaic junction box comprises a lower shell, an upper cover body for covering an opening of the lower shell and a conductive assembly which is arranged on the lower shell and matched with a bus bar, wherein the outer side wall of the lower shell is provided with a mounting plate which extends towards the direction away from the lower shell and is used for mounting a solar panel, reinforcing rib plates are arranged on two sides of the bottom surface of the mounting plate, a glue placing groove is formed between every two adjacent reinforcing rib plates, and a connecting through groove which penetrates through an inner cavity and an outer cavity of the lower shell and is used for the bus bar to pass through is formed in one side of the mounting plate. Through adopting above-mentioned technical scheme, in the use of photovoltaic terminal box, through arranging solar panel in the bottom surface of mounting panel to thereby fix solar panel on photovoltaic terminal box through putting gluey inslot to the mounting panel bottom surface and filling glue, the busbar stretches into the inner chamber of casing down through the connection through-slot simultaneously, and cooperates with conductive component, thereby collect and transport solar energy conversion's electric energy. Compared with the existing installation mode of compacting the solar panel through the upper shell and the lower shell, the solar panel is less limited by the mode of filling glue in the glue placing groove so as to realize connection of the solar panel and the photovoltaic junction box, the photovoltaic junction box can adapt to solar panels with more thickness, and the installation process is rapid and convenient. Optionally, the lower shell is provided with a first arrangement area and a second arrangement area for arranging a conductive component, wherein the conductive component comprises two conductive sheets arranged in the first arrangement area, a diode arranged between the two conductive sheets and a conductive cable arranged in the second arrangement area and extending to the outer cavity of the lower shell. By adopting the technical scheme, the specific structure of the conductive assembly is disclosed, two conductive sheets are arranged in the first arrangement area, and the diode is arranged between the two conductive sheets to help to protect a circuit, and the conductive cable is arranged in the second arrangement area and extends to the outer cavity of the lower shell, so that the external connection is facilitated, the compact and orderly internal structure is ensured, and the space utilization rate is improved. Optionally, the spacing hole has been seted up to the conducting strip, the lower casing in first area of arranging is provided with and is used for supplying conducting strip butt's first butt piece and second butt piece, the top surface of first butt piece is provided with towards keeping away from first butt piece direction protrusion and with spacing hole complex spacing pro