KR-102962948-B1 - Transformer apparatus installed on electric pole

Abstract

The present invention relates to a power distribution transformer device installed on a utility pole, wherein the fixed installation of a pole-mounted transformer is achieved based on a transformer frame module capable of selective fixing at various locations along the circumferential direction of the utility pole, thereby allowing the installation location of the pole-mounted transformer to be selected and varied through a very easy working method, taking into account the location where the utility pole is installed, surrounding topographical features, or the installation direction of the power distribution cable. The power distribution transformer device installed on a utility pole according to the present invention comprises a band module, a connecting frame module, a transformer frame module, a pole-mounted transformer, a contact detection sensor, and a control unit. The band module comprises an upper band portion and a lower band portion, and the connecting frame module comprises a coupling band portion inserted between the upper and lower band portions.

Inventors

• 황영선

Dates

Publication Date

20260508

Application Date

20241008

Claims (3)

1. delete
2. A band module (100) comprising: a pair of semicircular band units (111) that are symmetrically arranged on the left and right sides of a utility pole (10), an upper band portion (110) that is coupled to the circumference of the utility pole (10) in a circular shape through the combination of the semicircular band units (111) and has a plurality of bolt insertion holes (112) that penetrate in the vertical direction formed at regular intervals along the circumference direction, and a lower band portion (120) that is coupled to the circumference of the utility pole (10) having the same shape as the upper band portion (110) and positioned below the upper band portion (110); a semicircular coupling band portion (210) that is inserted between the upper band portion (110) and the lower band portion (120), wherein the coupling band portion (210) has a plurality of bolt insertion holes (112) corresponding to the bolt insertion holes (112) of the upper band portion (110) and the bolt insertion holes (122) of the lower band portion (120); A power distribution transformer device installed on a utility pole comprising: a connecting frame module (200) having a straight rectangular frame shape with a bolt insertion hole (211) formed to penetrate in the vertical direction, and a connecting band portion (210) formed in the center of one side and having a thickness increased compared to the connecting band portion (210); a transformer frame module (300) coupled to the connecting frame module (200), having a transformer receiving groove (310) formed on the upper surface for the lower end of a pole-mounted transformer input, and including a transformer fixing unit (320) for fixing a pole-mounted transformer input into the transformer receiving groove (310); and a pole-mounted transformer (400) formed in a shape having a connecting portion (410) corresponding to the transformer fixing unit (320) so as to detachably connect the lower end to the transformer receiving groove (310). A power distribution transformer device installed on a utility pole, characterized in that the above-mentioned connection frame module (200) has a plurality of first bolt fastening holes (220) formed at regular intervals and penetrating in the vertical direction from one side where the connecting band portion (210) is located to the other side on the opposite side, and the above-mentioned transformer frame module (300) has a second bolt fastening hole (330) formed at regular intervals on one side corresponding to the first bolt fastening hole (220) of the connection frame module (200), and the connection frame module (200) and the transformer frame module (300) are mutually detachably connected through the connection of a bolt (351) and a nut (352) through the first bolt fastening hole (220) and the second bolt fastening hole (330).
3. In Article 2, A contact detection sensor (500) is installed in a separate insertion type in sensor installation grooves (230) formed to correspond individually to the first bolt fastening holes (220) on the lower surface of the connection frame module (200), each of which detects contact between the upper surface of the transformer frame module (300) and the lower surface of the connection frame module (200): A power distribution transformer device installed on a utility pole, further comprising a control unit (600) that is installed on the above-mentioned connection frame module (200), wherein the number of contact detection sensors (500) that transmit a non-contact signal among the contact detection sensors (500) is pre-set, and when a non-contact signal is transmitted from a number of contact detection sensors (500) exceeding the number of contact detection sensors (500), the control unit transmits the relevant fact to an integrated management server (1000) for pole-mounted transformers.

Description

Transformer apparatus installed on electric pole The present invention relates to a power distribution transformer device installed on a utility pole, and more specifically, to a power distribution transformer device installed on a utility pole in which the fixed installation of a pole-mounted transformer is achieved based on a transformer frame module capable of selective fixing at various positions along the circumferential direction of the utility pole, thereby allowing the installation location of the pole-mounted transformer to be selected and varied through a very easy working method, taking into account the location where the utility pole is installed, surrounding topography, or the installation direction of the power distribution cable. Electricity generated at a power plant undergoes a process where it is stepped up at a substation adjacent to the plant and transmitted to areas near high-density consumer zones via extra-high voltage overhead transmission lines supported by transmission towers. Subsequently, it is stepped down at a final substation and distributed to these high-density consumer zones via overhead distribution lines supported by utility poles. Finally, it is stepped down to a commercial voltage usable by consumers by a pole-mounted transformer installed on the utility pole and distributed to consumers via overhead service lines. To elaborate on pole-mounted transformers, they are transformers installed on utility poles that reduce distribution current from high voltage to low voltage. Typically, they step down the distribution voltage from 229kV to supply 220V current to consumers. And pole-mounted transformers are typically fixed to the utility pole via separate supports so that they are positioned below the crossarm, insulator, and distribution cables. To elaborate, pole-mounted transformers are secured to utility poles by hanger bands, and for this purpose, a bracket is installed on the transformer that engages with the pole's hanger band. In other words, hanger bands are installed around the perimeter of the utility pole, and by connecting the transformer's bracket to the hanger bands, the pole-mounted transformer is securely installed on the utility pole. In addition, to more securely fix the pole-mounted transformer to the utility pole, an upper hanger band is installed at the top of the utility pole and a lower hanger band at the bottom, and an upper bracket is installed at the top of the pole-mounted transformer and a lower bracket at the bottom, thereby using a method to fix the upper and lower parts of the pole-mounted transformer to the utility pole respectively. Furthermore, the applicant has proposed the present invention as a technology that enables the installation method and operation of pole-mounted transformers on utility poles to be carried out more efficiently. FIG. 1 is a perspective view illustrating a band module in a power distribution transformer device installed on a utility pole according to an embodiment of the present invention. FIG. 2 is a drawing illustrating a connection frame module in a power distribution transformer device installed on a utility pole according to an embodiment of the present invention. FIG. 3 is a drawing illustrating a transformer frame module in a power distribution transformer device installed on a utility pole according to an embodiment of the present invention. FIG. 4 is a drawing illustrating, based on a plan view, the installation state of a power distribution transformer device installed on a utility pole according to an embodiment of the present invention. FIG. 5 is a drawing illustrating the installation state of a power distribution transformer device installed on a utility pole according to an embodiment of the present invention, viewed from the direction "A" of FIG. 4. FIG. 6 is a block diagram illustrating the electrical configuration of a power distribution transformer device installed on a utility pole according to an embodiment of the present invention. The following detailed descriptions relating to the present invention refer to the accompanying drawings, which are embodiments in which the present invention may be practiced and are illustrated as examples of such embodiments. These embodiments are described in detail to sufficiently enable those skilled in the art to practice the present invention. It should be understood that various embodiments of the present invention are different but need not be mutually exclusive. For example, specific shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the present invention in relation to one embodiment. Furthermore, it should be understood that the location or arrangement of individual components within each described embodiment may be changed without departing from the spirit and scope of the present invention. Accordingly, the following detailed description is not intended to be t