Search

CN-224204753-U - Junction box and gas turbine generator set

CN224204753UCN 224204753 UCN224204753 UCN 224204753UCN-224204753-U

Abstract

The utility model discloses a junction box and a gas turbine generator set, which comprise a box body, a box cover detachably connected with the box body and a sealing mechanism which is arranged on the box body and used for penetrating and holding a cable, wherein the sealing mechanism comprises square sealing blocks used for penetrating the cable and square fasteners used for applying pressure to the square sealing blocks, at least two square sealing blocks are closely arranged along a first direction to form a sealing assembly, a plurality of the sealing assemblies are arranged along a second direction perpendicular to the first direction, and the square fasteners apply pressure to the sealing assemblies along the second direction.

Inventors

  • WANG SIQING
  • ZHU YAYI
  • ZOU HONGMEI
  • XIE DONGJUN
  • CHEN HUI
  • ZHAN JIN
  • YE HANWU
  • HU GEYU
  • OuYang Shichen

Assignees

  • 航发燃机(株洲)有限公司

Dates

Publication Date
20260505
Application Date
20250409

Claims (10)

  1. 1. A junction box is characterized in that, Including box (1), with box (1) case lid (2) and lay in be used for passing on box (1) and hug tightly sealing mechanism (3) of cable, sealing mechanism (3) are including square sealing block (31) and be used for right square sealing block (31) applied pressure square fastener (32), at least two square sealing block (31) are closely arranged along first direction and are formed seal assembly (33), a plurality of seal assembly (33) are arranged along the second direction of perpendicular to first direction, square fastener (32) are along a plurality of seal assembly (33) applied pressure.
  2. 2. A junction box according to claim 1, characterized in that, Square fastener (32) include first trapezoidal piece (321), with second trapezoidal piece (322), third trapezoidal piece (323) and fastening screw (324) that first trapezoidal piece (321) symmetry was laid, both ends of first trapezoidal piece (321) with both ends of second trapezoidal piece (322) are respectively through two third trapezoidal piece (323) are connected, first trapezoidal piece (321), second trapezoidal piece (322) with enclose of third trapezoidal piece (323) to form X shape fastening clearance (325), fastening screw (324) pass first trapezoidal piece (321) with second trapezoidal piece (322) spiro union rotates fastening screw (324) make inclined plane of first trapezoidal piece (321) with inclined plane of second trapezoidal piece (322) respectively the butt two inclined plane of third trapezoidal piece (323), through the regulation first trapezoidal piece (321) with the enclosing of second trapezoidal piece (322) forms X shape fastening clearance (325), third trapezoidal piece (323) are applyed pressure assembly (33).
  3. 3. Junction box according to claim 1 or 2, characterized in that, The box body (1) is provided with a window (11), and the sealing mechanism (3) is embedded in the window (11).
  4. 4. A junction box according to claim 3, characterized in that, A separation plate (34) is arranged between two adjacent sealing assemblies (33).
  5. 5. The junction box according to claim 4, wherein, The square sealing blocks (31) are connected with the isolation plates (34) and/or the two adjacent square sealing blocks (31) through clamping groove and clamping block structures.
  6. 6. A junction box according to claim 1, characterized in that, The square sealing block (31) is provided with a through hole (311) for passing through a cable, and a plurality of diameter-adjusting layers (312) are arranged on the inner wall of the through hole (311).
  7. 7. A gas turbine generator set comprising the junction box of any one of claims 1 to 6.
  8. 8. A gas turbine generator set as set forth in claim 7, wherein, The gas turbine generator system is characterized in that a mounting seat (101) used for being connected with the box body (1) is arranged outside the box body (100) of the gas turbine generator system, and the mounting seat (101) is connected with the box body (1) through a vibration reduction connecting piece (5).
  9. 9. A gas turbine generator set as set forth in claim 8, wherein, The second sealing piece (6) is arranged at the joint of the vibration reduction connecting piece (5) and the box body (1).
  10. 10. A gas turbine generator set as set forth in claim 7, wherein, The lap joint of the box body (1) and the box cover (2) is provided with a first sealing piece (4).

Description

Junction box and gas turbine generator set Technical Field The utility model relates to the technical field of gas turbines, in particular to a junction box. The utility model also relates to a gas turbine generator set comprising the junction box. Background The internal core components of the box 100 of the gas turbine generator set are a gas turbine and a fuel system, in order to ensure the safe operation of the gas turbine, a host is provided with a large number of measuring points including temperature, pressure, rotating speed, vibration and the like, the measuring points are all arranged on the surface or a pipeline of the gas turbine, a unit controller is arranged in a control room outside the box 100, and a junction box 200 is used for transferring signals of the measuring points to the unit controller, so that the existing junction box 200 is closely arranged inside the box 100, as shown in fig. 1, the junction box 200 is arranged in a high-temperature area inside the box 100, and the high temperature can cause certain damage to a wiring terminal, a thermocouple compensation cable, a cable housing and the like inside the junction box 200, so that the service life of the cable is influenced. As shown in fig. 2, a plurality of mounting holes 201 are formed in the side surface of the existing junction box 200, the mounting holes 201 are provided with gram heads, cables are fixed in a mode of entering and exiting wires through the gram heads, one cable is required to calibrate the outer diameter of the cable and one cable is required to be fastened in sequence during the installation of the gram heads, the installation is long in time consumption, and the efficiency is low. Disclosure of utility model The utility model provides a junction box and a gas turbine generator set, which are used for solving the technical problems of long installation time and low efficiency of the existing junction box. According to one aspect of the utility model, there is provided a junction box comprising a box body, a box cover detachably connected with the box body, and a sealing mechanism arranged on the box body and used for penetrating and holding a cable, wherein the sealing mechanism comprises square sealing blocks used for penetrating the cable and square fasteners used for applying pressure to the square sealing blocks, at least two square sealing blocks are closely arranged along a first direction to form a sealing assembly, a plurality of sealing assemblies are arranged along a second direction perpendicular to the first direction, and the square fasteners apply pressure to the sealing assemblies along the second direction. Further, square fastener include first trapezoidal piece, with the second trapezoidal piece, third trapezoidal piece and the fastening screw that first trapezoidal piece symmetry was laid, the both ends of first trapezoidal piece with the both ends of second trapezoidal piece are connected through two respectively the third trapezoidal piece, first trapezoidal piece the second trapezoidal piece reaches the enclose of third trapezoidal piece forms X shape fastening clearance, fastening screw passes first trapezoidal piece with the second trapezoidal piece spiro union rotates fastening screw makes the inclined plane of first trapezoidal piece with the inclined plane of second trapezoidal piece butt respectively two the inclined plane of third trapezoidal piece, through the regulation first trapezoidal piece with the interval adjustment of second trapezoidal piece the third trapezoidal piece is right seal assembly applys pressure. Further, a window is arranged on the box body, and the sealing mechanism is embedded in the window. Further, a separation plate is arranged between two adjacent sealing assemblies. Further, the square sealing blocks are connected with the isolation plate and/or the two adjacent square sealing blocks through a clamping groove and clamping block structure. Further, through holes for penetrating through the cables are formed in the square sealing blocks, and a plurality of diameter adjusting layers are arranged on the inner walls of the through holes. According to another aspect of the utility model, there is also provided a gas turbine generator set comprising the junction box described above. Further, an installation seat used for being connected with the box body is arranged outside the box body of the gas turbine generator set, and the installation seat is connected with the box body through a vibration reduction connecting piece. Further, a second sealing member is arranged at the joint of the vibration reduction connecting member and the box body. Further, a first sealing member is arranged at the lap joint of the box body and the box cover. The utility model has the following beneficial effects: According to the junction box, the square sealing block is cuboid, two end faces of the square sealing block are square, and a through hole for passing through a cable is