JPH09238414A - Pole distribution gear - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate the work at site, and to reduce the occupied space on a pole by connecting a plurality of boxes in a stacked manner with surfaces of equal shape and dimensions of the boxes in contact with each other, installing a plurality of connected boxes on the pole, and connecting the high-voltage and low-voltage distribution cables thereto. SOLUTION: An equipment which is installed on a pole of the power distribution system and respectively connected to a high-voltage distribution cable 1 and a low-voltage distribution cable 2 is dispersely stored in a plurality of boxes in which the shape and dimensions of at least two parallel surfaces opposite to each other among a plurality of surfaces to constitute the boxes are equal. A plurality of boxes are connected to each other in a stacked manner with the surfaces of equal shape and dimensions of the boxes in contact with each other, and the equipment to be stored in the boxes and the equipment to be stored in the boxes in contact with each other in the vertical direction are electrically connected to these two surfaces by a first electric conductor which is electrically insulated from the boxes and capable of being attached/ detached to/from the boxes. The wiring work on the pole can be reduced, and the occupied space on the pole can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a housing for accommodating a power distribution device installed on a power pole of a power distribution system, and a configuration of the power distribution device for connecting and installing the power distribution device on a pole.

[0002]

2. Description of the Related Art Insulators, pole switches, pole transformers, lightning arresters, and primary cutouts (PCs) are used on power poles of power distribution systems.
When such equipment is attached, these equipments are attached to the armor of the electric pole, respectively.

[0003]

The power distribution equipment to be mounted on the power pole of the power distribution system has different shapes and mounting methods, which requires a lot of work time on site and occupies a large space on the pole. The present invention has been made in view of the above points, and an object thereof is to provide a pole distribution device that is easy to perform on-site work and has a small occupied space on the pole.

[0004]

In order to achieve the above object, in the first aspect of the present invention, a housing for a plurality of power distribution devices installed on a power pole of a power distribution system and connected to a high voltage distribution line and a low voltage distribution line, respectively. In the above, the power distribution device is distributed and housed in a plurality of housings having the same shape and size of at least the surfaces facing each other in parallel among the plurality of surfaces constituting the housing.

A plurality of the housings are superposed and connected by contacting the surfaces having the same shape and size of the housings with each other, and the two surfaces are electrically insulated from the housings and can be inserted and removed. An electric conductor is provided, and a device housed in this housing and a device housed in a vertically adjacent housing are electrically connected. In a case connected to a high-voltage distribution line, a low-voltage distribution line, and a communication line, a surface other than these two surfaces is provided with a second electric conductor that is electrically insulated from the case.

[0006] In the housing for housing the equipment connected to the ground wire, a surface other than these two surfaces is provided with a third electric conductor which is electrically connected to the housing. A plurality of cases to be connected are installed on a power pole to connect a high-voltage distribution line, a low-voltage distribution line, and a ground wire. In the second invention, the insertable / removable first electrical conductor that electrically insulates from the casing that electrically connects the device accommodated in the casing and the device accommodated in the casings vertically contacting each other is According to the type of electric power passing through one electric conductor, its position and shape are unified for each housing.

[0007]

【Example】

[First Embodiment] FIG. 1 shows a configuration of a first embodiment in which a pole distribution device according to the first invention is mounted on a pole. 2 to 9 show the configuration of an embodiment of the housing of the pole distribution device.

The utility pole of FIG. 1 has a high voltage distribution line 1, a low voltage distribution line 2 and a communication line 3 mounted together. The high-voltage distribution line 1 is connected to the high-voltage connection unit 41, the low-voltage distribution line 2 is connected to the low-voltage connection unit 44, and the communication line 3 is connected to the slave station unit 45. FIG. 2 shows the external appearance and internal connection of the high voltage connection unit 41. FIG. 2A is a plan view showing at least surfaces facing each other in parallel. In the illustrated example, the shape is rectangular and the dimensions are A × B.

A second electric conductor (for example, a high voltage connector) 412 for connecting the high voltage power distribution line 1 to a surface other than these two surfaces.
Is provided. FIG. 2B shows a front view and shows a first electric conductor 411J and a second electric conductor 412. Figure 2 (c)
Shows the connection between the first electric conductor 411J and the second electric conductor 412.

FIG. 3 shows the appearance of the circuit breaker unit 42,
FIG. 4 shows the internal connection of the circuit breaker unit 42. The circuit breaker unit 42 includes a circuit breaker 424 and lightning arresters 4251, 425.
2 and current transformers 4261 and 4262 and voltage transformer 427
1 and 4272 are stored. The circuit breaker 424 includes a vacuum breaker 4241, a mechanical opening / closing mechanism 4242, and an opening / closing controller 42.
And 43.

FIG. 3A is a plan view showing at least surfaces facing each other in parallel. In the illustrated example, the shape is rectangular and the dimension is A × B. The mechanical switching mechanism 42 of the third electric conductor 423 and the circuit breaker 424 is provided on a surface other than these two surfaces.
And a shaft protruding to the outside of the housing. FIG.
(B) shows a front view, the first electrical conductors 421P, 42
1J, third electrical conductor 423, and mechanical opening / closing mechanism 4242
And a shaft projecting outside the housing of FIG.

The first electric conductor 421 on the upper surface of FIG.
P has a positional relationship with the first electric conductor 411J on the lower surface of FIG. The shaft of the mechanical opening / closing mechanism 4242 protruding outside the housing is mechanically coupled to the manually operated box via a release wire, and the breaker 42 is manually operated from the manual device box.
It is configured so that the on / off of 4 can be operated.

FIG. 4 shows a circuit breaker 424, a lightning arrester 4251 and 4252, and a current transformer 426 which are housed in the circuit breaker unit 42.
1 and 4262 and the transformers for meters 4271 and 4272 are shown to be connected. The ground terminals of the arresters 4251 and 4252 are connected to the third electric conductor 423. Current transformer 4261, 426
The output of 2 and the outputs of the transformers for transformers 4271 and 4272 and the input and output of the switch control unit 4243 are connected to the first electric conductor 421J, respectively.

FIG. 5 shows the appearance of the transformer unit 43,
FIG. 6 shows the internal connection of the transformer unit 43. The transformer unit 43 includes a V-connection transformer 434, a lightning arrester 435, a fuse 436, and a switch (primary cutout, P
C) Housing 437 and switch (low-voltage switch) 438.

Switch (Primary cutout, PC)
437 is an opening / closing contact portion 4371 and a mechanical opening / closing mechanism 437.
2 and. Switch (low pressure switch) 438
Is composed of an opening / closing contact portion 4381 and a mechanical opening / closing mechanism 4382. FIG. 5A is a plan view showing at least surfaces facing each other in parallel, and in the illustrated example, a third electric conductor 433 is formed on a surface other than these two surfaces having a rectangular shape and a dimension of A × B. And switch (primary cutout,
The mechanical opening / closing mechanism 4372 of the PC 437 and the shaft of the mechanical opening / closing mechanism 4382 of the switch (low-voltage switch) 438 projecting outside the housing.

FIG. 5B is a front view showing the first electric conductors 431P, 431J, the third electric conductor 433, the shaft of the mechanical opening / closing mechanism 4372 projecting outside the casing of the mechanical opening / closing mechanism 4372, and the casing of the mechanical opening / closing mechanism 4382. The shaft which protrudes out of the body is illustrated. The first electric conductor 431P on the upper surface of FIG. 5B is in a positional relationship with the first electric conductor 421J on the lower surface of FIG.

The shaft protruding outside the housing of the mechanical opening / closing mechanism 4372 and the shaft protruding outside the housing of the mechanical opening / closing mechanism 4382 are mechanically coupled to a manual operation box through a release wire, and are manually operated from the manual operation box. The switch (primary cutout, PC) 437 and the switch (low-voltage switch) 438 can be turned on and off. FIG.
Is a V-connection transformer 434 housed in the transformer unit 43.
And lightning arrester 435, fuse 436, switch (primary cutout, PC) 437 and switch (low-voltage switch)
438 shows the connection.

Grounding terminal of lightning arrester 435 and V-connection transformer 4
The neutral wire of the single-phase three-wire distribution winding of 34 is connected to the third electric conductor 433. FIG. 7 shows the external appearance of the low-voltage connection unit 44, and FIG. 8 shows the internal connection of the low-voltage connection unit 44. FIG. 7A is a plan view showing at least surfaces facing each other in parallel. In the illustrated example, the shape is rectangular and the dimensions are A × B.

A second electric conductor (for example, a low voltage connector) 422 for connecting the low voltage distribution line 2 to a surface other than these two surfaces.
Is provided. FIG. 7B is a front view showing the first electric conductors 441P and 441J and the second electric conductor 422.
The first electric conductor 441P on the upper surface of FIG.
It is in a positional relationship of being inserted into and removed from the first electric conductor 431J on the lower surface of (b).

FIG. 8 shows the first electric conductors 441P and 441J.
And the second electrical conductor 442 is shown. FIG. 9 shows the external appearance and internal connections of the slave station unit 45. Slave unit 45
Is a switching control section 424 of the circuit breaker unit 42 shown in FIG.
The slave station 454 that electrically connects and disconnects the vacuum shutoff unit 4241 via the terminal 3 is housed.

FIG. 9A is a plan view showing at least surfaces facing each other in parallel. In the illustrated example, the shape is rectangular and the dimension is A × B. Communication line 3 other than these two sides
Second electrical conductor (eg, screw terminal) 452 that connects the
Is provided. FIG. 9B shows a front view and shows a first electric conductor 451P and a second electric conductor 452.

The first electric conductor 451 on the upper surface of FIG.
P has a positional relationship with the first electric conductor 441J on the lower surface of FIG. FIG. 9C shows the slave station unit 45.
The connection of the slave station 454, the first electric conductor 451P, and the second electric conductor 452, which are housed in FIG. The slave station 454 connects the low-voltage distribution line, the current transformer output, the instrument transformer output, and the control signal to the switching control unit via the first electric conductor 451P.

The slave station 454 is connected to the communication line via the second electric conductor 452. [Embodiment 2] FIG. 10 shows the configuration of a second embodiment in which the pole distribution device according to the first invention is mounted on a pole. FIG.
[Fig. 3] shows a configuration of an embodiment of a case of a pole distribution device.

A high-voltage distribution line 1, a low-voltage distribution line 2 and a communication line 3 are mounted together on the utility pole. The high-voltage distribution line 1 is connected to the high-voltage connection unit 41, the low-voltage distribution line 2 is connected to the low-voltage connection unit 44, and the communication line 3 is connected to the slave station unit 45. FIG.
Reference numeral 1 shows the appearance and internal connection of the dummy unit 46. FIG.
1A is a plan view showing at least surfaces facing each other in parallel, and in the illustrated example, the shape is rectangular and the dimension is A ×.
B.

FIG. 11B shows a front view and shows the first electric conductors 461P and 461J. The first electric conductor 461P on the upper surface of FIG. 11B is in a positional relationship with the first electric conductor 431J on the lower surface of FIG. FIG.
The first electric conductor 461J on the lower surface of FIG.
It is in a positional relationship of being inserted into and removed from the first electric conductor 441P on the upper surface of (b).

FIG. 11C shows the connection between the first electric conductor 461P and the first electric conductor 461J of the dummy unit 46. [Third Embodiment] FIG. 12 shows the construction of an embodiment of the position of the first electric conductor of the pole distribution device according to the second invention.

FIG. 13 shows the configuration of an embodiment of the shape of the first electric conductor. 2 (a), 3 (a), 5 (a), 7 (a), 9 (a) and 11 (a),
At least the insertable / removable first electric conductors installed on the surfaces facing each other in parallel can be classified into a plurality of types according to the voltage and the current of the electric power passing through the first electric conductors. .

For example, in the high-voltage connection unit 41, the electric power supplied by the high-voltage distribution line is the first electric conductor 411.
Pass J. In the low voltage connection unit 44, the electric power supplied by the low voltage distribution line and the current transformers 4261 and 4262.
Electric power supplied by and transformers for instruments 4271, 4272
The electric power supplied by the slave station 454 and the breaker unit 42
The electric power of the control signal to the switch controller 4243 of
It passes through each of the plurality of first electric conductors 441P and 441J.

The electric force passing through the first electric conductor is classified, and the position where the first electric conductor is installed is determined according to this classification. FIG. 12 shows an example of this installation position of the first electric conductor. FIG. 12A shows a mesh of a range of positions of the first electric conductor through which the electric power of the high-voltage distribution line passes.

FIG. 12 (b) shows the range of the position of the first electric conductor through which the electric force of the low-voltage distribution line passes by meshes. FIG. 12C shows a mesh of the range of positions of the first electric conductors through which the electric forces of the current transformer and the transformer for instrument pass. FIG. 12D shows the range of the position of the first electric conductor through which the electric force related to the control signal of the slave station passes, by a mesh.

FIG. 13 shows the construction of an embodiment of the first electric conductor. 13 (a) and 13 (c) show a first electric conductor (eg, a first electric conductor 411J shown in FIG. 2 (b)) installed on the lower surface of at least the surfaces of the units facing each other in parallel. An example of is shown. 13 (b) and (d)
Means a first electric conductor (for example, FIG. 3B) installed on the upper surface of at least the surfaces of the units facing each other in parallel.
Shows a first electric conductor 421P) shown in FIG.

The first electric conductor is composed of the electric conductor 7 and the electric conductor 7J or the electric conductor 7P. Electric conductor 7
Is attached to the housing 5 via an insulator 6. Electric conductor 7
Then, the electric conductor 7J or the electric conductor 7P is attached (FIG. 13 shows an example of tightening with a screw).

In a case through which the electric power of the high-voltage distribution line passes, the case is hermetically manufactured if necessary, and an inert gas (for example, sulfur hexafluoride gas) is sealed therein. FIG.
(C) and (d) are the electric conductor 7 in the first electric conductor (for example, illustrated in FIG. 9C 451P *) that does not need to be electrically connected between the two units to be connected. Shows an example in which the electric conductor 7J or the electric conductor 7P is not attached.

[0034]

According to the first aspect of the present invention, a device installed on a power pole of a distribution system and connected to a high-voltage distribution line and a low-voltage distribution line, respectively, faces at least parallel to each other among a plurality of surfaces constituting a casing. The two surfaces are distributed and housed in a plurality of housings having the same shape and dimensions, and the surfaces having the same shape and dimensions are in contact with each other so that the plurality of housings are superposed and connected to each other. The first electrical conductor that is electrically insulated from the body and that can be inserted / removed electrically connects the device housed in this housing and the device housed in the vertically adjacent housing.

By installing a case in which the plurality of cases are superposed and connected to each other on a utility pole, the amount of wiring work on the pole can be reduced. According to the second invention, the electric forces passing through the plurality of first electric conductors provided on at least two surfaces facing each other in parallel are classified, and the mounting position of the first electric conductor is determined according to this classification.

The insulation design of the first electric conductor can be unified and implemented.

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of a pole distribution device according to the first invention.

FIG. 2 is a configuration diagram of an embodiment of a high voltage connection unit that constitutes the pole distribution device according to the first invention.

FIG. 3 is an external view of an embodiment of a circuit breaker unit that constitutes the pole distribution device according to the first invention.

FIG. 4 is a connection diagram of an embodiment of a circuit breaker unit constituting the pole distribution device according to the first invention.

FIG. 5 is an external view of an embodiment of a transformer unit that constitutes the pole distribution device according to the first invention.

FIG. 6 is a connection diagram of an embodiment of a transformer unit constituting the pole distribution device according to the first invention.

FIG. 7 is an external view of one embodiment of a low voltage connection unit that constitutes the pole distribution device according to the first invention.

FIG. 8 is a connection diagram of an embodiment of a low voltage connection unit that constitutes the pole distribution device according to the first invention.

FIG. 9 is a configuration diagram of an embodiment of a slave station unit that constitutes the pole distribution device according to the first invention.

FIG. 10 is a configuration diagram of an embodiment of a pole distribution device according to the first invention.

FIG. 11 is a configuration diagram of an embodiment of a dummy unit that constitutes the pole distribution device according to the first invention.

FIG. 12 is a diagram showing an example of the position of the first electric conductor of the pole distribution device according to the second invention.

FIG. 13 is a configuration diagram of an embodiment of a first electric conductor of a pole distribution device.

[Explanation of symbols]

1 High-voltage distribution line 2 Low-voltage distribution line 3 Communication line 5 Housing 6 Insulator 7, 7J, 7P Electric conductor 41 High-voltage connection unit 42 Breaker unit 43 Transformer unit 44 Low-voltage connection unit 45 Slave station unit 46 Dummy unit 411J, 421J 431J, 441J, 461J, 421P, 431P, 441P, 461P First electrical conductor 412, 442, 452 Second electrical conductor 423, 433 Third electrical conductor 424 Circuit breaker 434 V connection transformer 435, 4251, 4252 Lightning arrester 436 Current limiting fuse 437, 438 Switchgear 4241 Vacuum breaker 4371, 4381 Switchgear contact part 4242, 4372, 4382 Mechanical switchgear 4243 Switchgear control part 4261, 4262 Current transformer 4271, 4272 Instrument transformer

Claims (2)

[Claims] 1. A housing of a device installed on a power pole of a power distribution system for supplying power to a customer and connected to a high-voltage distribution line and a low-voltage distribution line, respectively, of a plurality of surfaces constituting the housing. , At least two surfaces facing each other in parallel should have the same shape and dimensions, and this equipment shall be distributed and stored, and the surfaces having the same shape and dimensions shall be in contact with each other. A device to be housed in this housing and a device to be housed in a vertically contacting case are provided with a first electric conductor that is electrically insulatively insulated from the housing and can be inserted / removed on these two surfaces. In the case that houses equipment that is electrically connected and that is connected to the high-voltage distribution line, low-voltage distribution line, and communication line, the second surface that electrically insulates the case from the surface other than these two surfaces. In the case of a housing that contains an electrical conductor and contains equipment that is connected to the ground wire, these two A surface other than the surface is provided with a third electric conductor that is electrically connected to the housing, and a plurality of housings that are connected to each other are installed on a utility pole.
A pole distribution device, which is connected to a low-voltage distribution line, a communication line, and a grounding line. 2. The pole-mounted power distribution device according to claim 1, wherein the equipment housed in the housing and the equipment housed in the housing in contact with each other vertically are electrically insulated from the housing. The pole-mounted power distribution device, wherein the first electric conductor that can be inserted / removed has the same position and shape for each housing according to the type of electric power passing through the first electric conductor.