JP2506724Y2 - Gas equipment container - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gas equipment container which houses an electric equipment such as a high-voltage conductor for energization, is filled with an insulating gas, and has a voltage detecting function.

[0002]

2. Description of the Related Art A conventional gas equipment container of this type will be described with reference to FIG.

Reference numeral 1 is a metal container body, 2 is an insulating spacer, which is provided between the adjacent container bodies 1 for gas division, and bolts are provided on the peripheral portion of the spacer 2 and the flanges of both container bodies 1. Both container bodies 1 are connected by being inserted. Reference numeral 3 denotes an electric device such as a high-voltage conductor for energization provided in communication with each container body 1.

Reference numeral 4 denotes a bulging portion formed on the container body 1, 5 denotes a cylindrical electrode provided in the bulging portion 4, 6 denotes an insulating support for supporting the electrode 5, and the electrode 5 is provided on the container body. Insulated from 1 and fixed. Reference numeral 7 is a lead terminal penetratingly provided in the bulging portion 4, one end of which is connected to the electrode 5. Reference numeral 8 denotes a voltage dividing capacitor, one end of which is connected to the lead terminal 7 and the other end of which is grounded. Reference numeral 9 denotes output terminals at both ends of the voltage dividing capacitor 8.

[0005]

The conventional gas equipment container is extremely heavy because the container body 1 is made of metal.
Workability such as production, assembly and transportation is poor. Moreover, residual foreign matter of the metal during manufacturing may cause dielectric breakdown. Furthermore, in order to secure the minimum insulation distance of the electrode 5, it is necessary to increase the thickness of the bulging portion 4 where the electrode 5 is located, and the container body 1 becomes large. In addition, an insulating support 6 for fixing the electrode 5 is required, and the metal container body 1
Insulating lead-out terminal 7 penetrating through is required, the number of parts is large, the structure is complicated, and the cost is high.

The present invention has been made in view of the above points, and an object thereof is to provide a gas equipment container which is lightweight, small in size, simple in structure, and inexpensive.

[0007]

In order to solve the above-mentioned problems, the present invention provides a gas equipment container containing an electric equipment and filled with an insulating gas, wherein an inner conductive layer is formed on the inner surface of an insulating resin container body. Along with that, an outer surface conductive layer is formed on the outer surface, an inner surface lead terminal penetrating the container body is connected to the inner surface conductive layer, an outer surface lead terminal is connected to the outer surface conductive layer, and a voltage is applied to both the lead terminals. A detection output terminal is connected, and the outer conductive layer and the outer surface of the container body are covered with a weather-resistant and impact-resistant protective layer.

[0008]

In the gas equipment container of the present invention constructed as described above, the inner conductive layer and the outer conductive layer are formed on the inner and outer surfaces of the container body made of an insulating resin, and the inner surface lead-out terminal is provided through the container body. Is connected to the inner conductive layer, and the output terminal for voltage detection is connected to the outer lead terminal and the inner lead terminal connected to the outer conductive layer.Therefore, the voltage dividing capacitor using the container body as a dielectric between both output terminals. , The container body is lightweight and small, easy to manufacture, assemble and transport, and
Since the container body is an insulator, both conductive layers can be easily insulated, the structure is simple, the number of parts is small, and the cost is low. In addition, the outer conductive layer 12 and the outer surface of the container body 10 have weather resistance and impact resistance. Since it is covered with the protective layer 16 having a high resistance, it has excellent weather resistance and impact resistance.

[0009]

EXAMPLES Examples will be described with reference to FIGS. 1 to 7. In these figures, the same reference numerals as those in FIG. 8 indicate the same or corresponding parts. In FIG. 5, the conventional metal container body 1 of FIG. 8 is replaced with an insulating resin container body 10.

FIG. 1 shows an embodiment, 11 is a container body 1
An inner conductive layer formed on the inner surface of 0, 12 is the container body 10
An outer surface conductive layer formed on the outer surface of the inner surface of the container body;
4 is an outer surface lead-out terminal connected to the outer surface conductive layer 12,
A voltage dividing capacitor having the container body 10 as a dielectric is formed between the two lead terminals 13 and 14, and an output terminal 15 is connected to the two lead terminals 13 and 14 to provide a voltage detection function. Reference numeral 16 is a protective layer that covers the outer surface of the container body 10 and the outer surface conductive layer 12.

FIG. 2 shows a flange 17 of the container body 10. The metal or resin flange 17 is adhered to the cylindrical container body 10 with an adhesive 18, and the outer conductive layer 12 is covered with a protective layer 16. The outer conductive layer 12 is grounded at one or more places.

FIG. 3 shows that when the flange 17 is made of insulating resin,
1 shows a state where a cylindrical container body 10 and a flange 17 are integrally molded.

FIG. 4 shows a state in which it is necessary to cut off the current flowing through the outer conductive layer 12 on the way.
Is stopped halfway, an insulating layer 19 is formed on the upper surface thereof, and the other conductive layer 12 is formed on the insulating layer 19 by slightly polymerizing with the lower conductive layer 12.

FIG. 6 and FIG. 7 are examples of the configuration of various voltage dividing capacitors C.

The container body 10 is made of an insulating material such as FRP having a sufficient strength. The conductive layers 11 and 12 are made of a material having good conductivity, such as a metal foil, a conductive paint, and a vapor-deposited metal. The protective layer 16 is provided for the weather resistance of the container body 10 and protection against external impacts,
It is formed by coating rubber such as silicon.

[0016]

[Effects of the Invention] Since the present invention is configured as described above, the following effects can be obtained. An inner conductive layer 11 and an outer conductive layer 12 are formed on an inner surface and an outer surface of a container body 10 made of an insulating resin, an inner lead terminal 13 penetrating the container body 10 is connected to the inner conductive layer 11, and an outer conductive layer 12 is formed. Since the output terminal 15 for voltage detection is connected to the outer surface lead terminal 14 and the inner surface lead terminal 13 connected to
A voltage dividing capacitor having the container body 10 as a dielectric can be formed between both output terminals 15, the container body 10 itself can be provided with a voltage detection function, and the container body 10 can be formed in a lightweight and small size. , Easy to assemble and transport. In addition, since the container body 10 is an insulator, both conductive layers 11 and 12 can be easily insulated, the structure can be simplified, the number of parts is small, and the cost can be reduced. Further, since the container body 10 itself is an insulator, it is easy to insulate between adjacent devices, and it is possible to easily suppress the circulating current flowing through the container. Moreover, since the outer conductive layer 12 and the outer surface of the container body 10 are covered with the weather-resistant and impact-resistant protective layer 16, the weather resistance and impact resistance are excellent.

[Brief description of drawings]

FIG. 1 is a cutaway front view of a main part of one embodiment of a gas equipment container of the present invention.

FIG. 2 is a cutaway front view of another embodiment.

FIG. 3 is a cut front view of still another embodiment.

FIG. 4 is a cut front view of another embodiment.

FIG. 5 is a cutaway front view of the present invention.

FIG. 6 is a block diagram of a voltage dividing capacitor of the present invention.

FIG. 7 is a schematic diagram of another voltage dividing capacitor according to the present invention.

FIG. 8 is a cut front view of a conventional example.

[Explanation of symbols]

 3 Electrical Equipment 10 Container Body 11 Inner Conductive Layer 12 Outer Conductive Layer 13, 14 Lead-out Terminal 15 Output Terminal 16 Protective Layer

Claims (1)

(57) [Scope of utility model registration request] 1. A gas equipment container containing electrical equipment and filled with an insulating gas, wherein an inner conductive layer is formed on an inner surface of an insulating resin container body and an outer conductive layer is formed on an outer surface of the container body. The penetrated inner surface lead terminal is connected to the inner surface conductive layer, the outer surface conductive terminal is connected to the outer surface conductive layer, the output terminal for voltage detection is connected to both the lead terminals, and the outer surface conductive layer and the A gas equipment container in which the outer surface of the container body is covered with a weather-resistant and impact-resistant protective layer.