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CN-224233969-U - Automatic low-voltage line voltage regulating device

CN224233969UCN 224233969 UCN224233969 UCN 224233969UCN-224233969-U

Abstract

The utility model provides an automatic low-voltage line voltage regulating device which comprises an outer box assembly welding piece, wherein a front outer door assembly is arranged at the front part of the outer box assembly welding piece, a rear outer door assembly is arranged at the rear part of the outer box assembly welding piece, the front outer door assembly and the rear outer door assembly form a hollow cavity structure, an automatic voltage regulating group is arranged in the cavity, a rear baffle assembly is arranged at the rear end of the bottom of the cavity, and the rear baffle assembly is positioned between the automatic voltage regulating group and the rear outer door assembly. The utility model has the beneficial effects of realizing better sealing, protection, insulation and safety and realizing more convenient installation, disassembly, maintenance and wiring operation.

Inventors

  • DONG WENXU
  • JIN GUANGQING
  • DU CHENZHONG
  • ZHAO HONGBO

Assignees

  • 天津浩源汇能股份有限公司

Dates

Publication Date
20260512
Application Date
20250520

Claims (10)

  1. 1. The automatic low-voltage line voltage regulating device is characterized by comprising an outer box assembly welding piece (2), wherein a front outer door assembly (1) is arranged at the front part of the outer box assembly welding piece (2), a rear outer door assembly (5) is arranged at the rear part of the outer box assembly welding piece, the outer box assembly welding piece (2), the front outer door assembly (1) and the rear outer door assembly (5) form a hollow cavity structure, an automatic voltage regulating group (3) is arranged in the hollow cavity structure, a rear baffle assembly (4) is arranged at the rear end of the bottom of the hollow cavity structure, and the rear baffle assembly (4) is positioned between the automatic voltage regulating group (3) and the rear outer door assembly (5); The front outer door assembly (1) comprises a transparent window (11), a rubber ring (12) and a front outer door plate (13), the front outer door plate (13) is provided with the transparent window (11), and the rubber ring (12) is arranged between the transparent window (11) and the front outer door plate (13).
  2. 2. The automatic low-voltage line voltage regulating device according to claim 1, wherein the outer box assembly welding part (2) comprises a shell (23), four hanging rings (21) are arranged at the top of the shell (23), a mounting block (24) is arranged below the hanging rings (21), a rubber pad (22) is arranged above the shell (23) between the hanging rings (21) and the mounting block (24), a base bracket (25) is welded at the bottom of the shell (23), a left slide baffle (26) is welded at the left side of the base bracket (25), a right slide baffle (27) is welded at the right side of the base bracket, a positioning plate (29) is welded at the front part of the base bracket (25), and a door lock (28) is arranged at the side part of the shell (23) between the automatic voltage regulating group (3) and the front outer door assembly (1).
  3. 3. The automatic low-voltage line voltage regulating device according to claim 2, wherein a left protruding edge (231) is arranged on the left side of the top of the shell (23), a right protruding edge (232) is arranged on the right side of the top of the shell, a grounding point screw hole (233) is formed in the side portion of the shell (23), and heat dissipation holes (234) are formed in the bottom, the left side and the right side of the shell (23).
  4. 4. The automatic low-voltage line voltage regulating device according to claim 2, wherein the side part and the bottom of the shell (23) are provided with mounting screw holes (241), and the mounting screw holes (241) are blind holes.
  5. 5. The automatic low-voltage line voltage regulating device according to claim 1, wherein the number of the automatic voltage regulating units placed in the outer box assembly welding piece (2) is 1-3, and the types of the automatic voltage regulating units are single-phase automatic voltage regulating or three-phase automatic voltage regulating.
  6. 6. The automatic low-voltage line voltage regulating device according to claim 5, wherein the automatic voltage regulating group (3) comprises a first group of automatic voltage regulating units (31), a second group of automatic voltage regulating units (32), a third group of automatic voltage regulating units (33) and folding handles (34), and the folding handles (34) are arranged at the tops of the first group of automatic voltage regulating units (31), the second group of automatic voltage regulating units (32) and the third group of automatic voltage regulating units (33).
  7. 7. A low-voltage line voltage automatic regulating device according to claim 1, wherein the tailgate assembly (4) comprises a tailgate (41), the tailgate (41) being mounted by means of a nut (42).
  8. 8. The automatic low-voltage line voltage regulating device according to claim 1, wherein the transparent window (11) is made of toughened glass or acrylic, and is positioned opposite to the screen of the automatic voltage regulating group (3).
  9. 9. The automatic low-voltage line voltage regulating device according to claim 1, wherein the rear outer door assembly (5) is provided with a heat dissipation hole (234).
  10. 10. The automatic low-voltage line voltage regulator according to claim 2, wherein paint is removed from around the grounding point screw hole (233).

Description

Automatic low-voltage line voltage regulating device Technical Field The utility model belongs to the technical field of low-voltage treatment, and particularly relates to an automatic low-voltage line voltage regulating device. Background With the popularization of the photovoltaic power generation technology and the influence of the national poverty-relief policy, the installed quantity and capacity of rural distributed photovoltaics are gradually increased, and meanwhile, problems are brought, such as out-of-limit voltage at the tail end of a line is easy to occur when a photovoltaic grid-connected point is far away from a transformer, the risk of overvoltage burning of an electric appliance of a user is increased, photovoltaic power generation has the characteristics of large day and night period fluctuation and random fluctuation under the influence of weather, and the problem of out-of-limit voltage frequently occurs. The residents in rural areas of China are scattered, and along with the development of society and the continuous improvement of the living standard of people, the electric equipment is also continuously increased. Qualified voltage is a guarantee for ensuring safety, high efficiency and reliability of electric equipment, and voltage qualification rate is an important index for reflecting good power supply service of power enterprises. At present, the electricity consumption condition of rural power grid end has the following problems: (1) In the initial stage of rural power grid establishment in rural remote areas, the transformer capacity of the rural power grid is limited, the power supply radius is large, the power transmission line is long, and the problems of low power supply reliability, poor electric energy quality and the like of end users of the rural power grid are caused. (2) With the development of society, rural power grids have the characteristics of large seasonal load difference, unbalanced three-phase load, large installation load and the like, so that the problem of low voltage at the tail end of the rural power grids is serious, most of electric equipment cannot work normally, and the electricity consumption requirement of users is seriously influenced. In order to solve the above voltage problem, an automatic low-voltage line voltage adjusting device is required. Disclosure of utility model In view of the above, the present utility model aims to provide an automatic low-voltage line voltage regulator, so as to solve the problems of low reliability, poor electric energy quality and large load difference of the existing devices. In order to achieve the above purpose, the technical scheme of the utility model is realized as follows: The automatic low-voltage line voltage regulating device comprises an outer box assembly welding piece, wherein a front outer door assembly is arranged at the front part of the outer box assembly welding piece, a rear outer door assembly is arranged at the rear part of the outer box assembly welding piece, the front outer door assembly and the rear outer door assembly form a hollow cavity structure, an automatic voltage regulating group is arranged in the hollow cavity structure, a rear baffle assembly is arranged at the rear end of the bottom of the hollow cavity structure, and the rear baffle assembly is positioned between the automatic voltage regulating group and the rear outer door assembly; The front outer door assembly comprises a transparent window, a rubber ring and a front outer door plate, wherein the front outer door plate is provided with the transparent window, and the rubber ring is arranged between the transparent window and the front outer door plate. Further, outer case assembly weldment includes the shell, four rings are installed at the shell top, rings below is equipped with the installation piece, the rubber pad is installed to the shell top between rings and the installation piece, shell bottom welding base support, base support left side welding left side slide baffle, and its right side welding right side slide baffle, the anterior welding locating plate of base support, the locating plate is located between automatic pressure regulating group and the preceding outer door subassembly, shell lateral part installation lock. Further, the left protruding edge is arranged on the left side of the top of the shell, the right protruding edge is arranged on the right side of the top of the shell, the side part of the shell is provided with a grounding point screw hole, and the bottom, the left side and the right side of the shell are provided with radiating holes. Further, the side part and the bottom of the shell are provided with mounting screw holes, and the mounting screw holes are blind holes. Further, the number of the automatic voltage regulating units placed in the outer box assembly welding parts is 1-3, and the types of the automatic voltage regulating units are single-phase automatic voltage regulating or three-pha