JPS58169815A - Insulator support - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] (a) The second invention of Omei's minute hand is based on the insulating support for use under special docks that are susceptible to deterioration. It's about improvements.

(b) Explanation of the prior art Kenmai? For example, 1j is a medium-voltage class electric equipment of 3 (l or less), and it is often used while being stored in a closed ship. IF of %b,
For the loquat supports used as edge-building materials, epoxy resin and polyester (September 10, 2018) are often used in the horizontal direction. 62% miniaturization, such as shaft cutting, gap 1, etc. Closed Pf3
The 0th l is the upper circle of the 151st peak of the leverage, and the 21st is the upper circle/-) frame l
There are odor valves 2a and 2b for opening and closing the inner arc chamber.

2o is the screw 3. Loquat km is supported by 4 rods 3 and attached to the gold maple frame B through the loquat part 5 to the ground 1
I'm getting beaten up. α, b, c valley pulse darkness 62 is between hole 4 [82 pass 7 is in each phase) (- rear 8 and 9
Ie# reinforcement is performed by.

The three-phase integral insulation frame 1 with such a configuration is 4I1
Since it has a one-cone shape, if you receive the corrupt investigation time Kushiji in these six times, the leak flowing through the clothes 4'#IL9 will be a temporary line to the capital city and related city ordinance. Juru. - The dirt strength voltage characteristics of the insulator with the straight line shape are as follows:
When the diversion becomes large, the withstand voltage decreases due to the IJLI reduction of the next l, or the same as above occurs due to the reverse IJLI reduction. It is possible to calculate the creepage distance of the KV gear for the 1st layer of the conqueror, but first, the similar shape as shown in Fig. The faded μ of the Iek frame of the three-phase integrated SEI, and the leakage current flow interfere with the 4II wire, and it is difficult to express it in a beastly way.For this reason, Tawaragaru The zero inertia withstand voltage is not necessarily proportional to the creepage distance -1. In some cases, the pressure in the correlation section may be five times lower than that in the area, which is one of the major accident areas for correlation short circuits, and has two major drawbacks. This'4L
-To prevent this, it is good to increase the correlation distance, but
Now let's take a look at the crab structure near the seaweed. Between Loquat and Kan'ichi vs. Kame or Iris, it's %1%.

Insulators 14, as shown in the 4 causes, are used to support the physical and emotional nature of the busbars of closed distribution gongs, etc. during mourning. In the insulator shape of the insulator 14 of the insulator 14 (for C, in order to increase the longitudinal resistance L', the surface 1; lump-like folds 15 are provided to make s L/H The ratio is set to 1 or more to prevent a drop in withstand voltage when exposed to perilla, dirt, or moisture.

In this case, the creepage distance JllIIJJQwL is:
Increasing the 5V pole was used as a hand board by narrowing the interval between the pleats 15 and creating folds for the ridges.
When the poles of the pleats 15 are made larger, the direct movement of the insulator 14 also becomes larger, which spreads to the insulation part 1 of the J14 correlation, resulting in the reduction of the lobe ring C.
Two retrogrades. Furthermore, if the interval between the pleats 15 is made too narrow, local arcs during creeping discharge will form a bridge at the tip of the pleats tb, and the creepage distance between the pleats will no longer work effectively. In such situations, dirt and moisture may occur.14
The withstand voltage does not improve in proportion to the creepage distance.

Therefore, the shape of the insulator used in special environments where it is subject to contamination, temperature control, etc. has a relationship between the absolute roughness H and the creepage distance L.
It is normal to design S so that /H=1.5 to 2.5.

For this reason, a continuation of the insulation class, that is, a pigeon insulation method, is used to obtain the eye 1a wound voltage during contamination and temperature control.

(c) Purpose of the Invention The present invention has been made to overcome the above-mentioned circumstances, and to improve the withstand voltage characteristics when heated to 1 JL of dirt by reducing the size to a minimum. Special #a A purpose of the present invention is to provide an insulating support that is small in size and has good insulation properties for convenience under conditions. 5 and 6 show an embodiment of the present invention.

An insulating frame 10 integrally formed with three phases as an insulating support of a true circuit breaker, a ground insulating part 5, and an interphase insulating part 7
On the □ side, water-repellent insulating bands 10°11, 12, and 13.14 are arranged singly or plurally, and these are arranged in a straight line or in a linear manner.

A band like the one above is ground-based, phase 11! ] Tomobakosha's Loquat Tei 1tJ, 13-like 6-two electric grenade threshold (ground is 3 and 6, phase 1m! J3a and 3b) No. 77 Because it is vertically divided into two pairs, the diameter is smaller. It has an isodynamic effect. That is, by reducing the number -ik as shown in the diagram lN&3, the withstand voltage can be improved. This is a 7-molecular tape, silicone rubber, or silicone compound that is coated with a water-repellent oil-bleeding agent and coated with a water-repellent oil-bleeding agent by intermolecularly silicone oil as a water-repellent strip. Presumably, this is because the material 1#+ of Cn et al. has a very low blowing resistance IA even during contamination temperature control, so that it acts as a separation zone for leakage current in the direction of the lateral force between the electrodes. When the loquat 11 is divided into IIF, the diameter becomes smaller in the east, and the effect of increasing the withstand voltage by 2 or more can be seen. Also, if you split it into two parts like Iek body 12, the creepage distance M
Since the length l-W can be increased, for example, by changing the diagonal winding angle, the creepage distance can be easily selected as desired. For this reason, it is possible to easily establish a relationship with the ground.

(e) Other embodiments Next, other embodiments of the present invention will be described. In the first distribution example, a three-phase integral I structure with vacuum insulation as the insulating support was used.
N! 3-fish frame I: I gave an explanation about it, but the original #
4 is an insulated support 6 for the bus conductor and maneuvering as shown in Figure 7C2.
It can also be applied to the insulators used.

The inner end of Ayashika as an insulating support formed by a rectangular body is divided into two electrodes 21 and the dark table (3) 62. Insulation ¥123 with water repellency is diagonally similar to the above. Hatred letter i#Il! , the electrode-related surface is divided into one or more insulating bands.

According to #II SEI62, the creepage distance of the insulator is:
The length of the can-shaped water-repellent insulating material ζ2 increases in proportion to 12. In addition, by changing the diagonal winding restraint, the required creepage distance can be selected to be white. So: □: Although it is water repellent even when exposed to dirt, moisture, etc., the surface insulation resistance of the five edges is extremely low, and the path of leakage current between the electrodes 21 and 22 remains in the insulating phase. It is divided into several parts and flows along the same dispersion range. For leakage current.

If there is a large gap, the creepage distance will also be greatly increased.
・It becomes thinner. When the leakage IIL accent is reduced, the formation of an unequal electric field due to the /nealing heat is eliminated, so that the withstand voltage at the time of contamination and discoloration can be increased δ.

The primary insulator 23 does not have a right-angled ring between the electrodes 21 and 22, so that the leakage current is simply separated and separated along the old surface distance. However, it does not place a large voltage stress burden on the insulation. Therefore, the Ie edge abrasiveness due to water repellency can be prevented for a long time ≦
It ends with two conical angles).

In this way, there is no need to increase the longitudinal distance by creating an a-shape shape such as providing a flap like in conventional hooks.
By directly integrating the necessary moths, it is possible to improve the #sim pressure characteristics of stains and dirt. Since the shape is simple, it is easy to use the m-way. There is no need to use an over-insulation method like the conventional method, and it can contribute to the reduction in size and the size of the violet. `` Naoji Fumi About other embodiments of the present invention, No. 812!, l
~#! This will be explained with reference to FIG. Figure 8 2y3<
This is a vacuum equipped with a non-linear resistor for surge suppression.
In the figure, 31 is the frame and 32 is the l gain.
1l=! The edge barrier is a bushing, the real one is a storage pocket for a non-linear resistance element, and 3b is a vacuum pulp. Here, when the vacuum pulp 35 is introduced, the surge generated in wT14 is stored.
2. Suppress. This is the operating mechanism of the breaker body.

The 9th figure is non [lil! An enlarged view of the resistance wood storage pocket. 37 is a hole with acrylic ii*, 38#i non-straight support element, and 39 is its connection and electrode. In this case, koji is attached to the storage pocket 34 in order to prevent dirt from entering inside.

Is there a non-linear resistance element storage pocket inside? -Fi supply 10 As shown in Figures 10 and 11, insulating rubber bands 40Q and 40b, which are longer than the creepage distance in the internal circumferential direction, are covered with insulating supports. The resistance element storage pocket 34 is installed inwardly, the lid 42 is attached to the storage pocket 34, and the elasticity of the rubber is used to store cans along the inside surface.

1 So rubber bands 40G and 40b are made from Tsutomu's rubber and TJ soldiers, and are made of silicone rubber with water-repellent and oil-free properties. is installed in multiple stages - divided into two parts.

In addition to the above-mentioned ml1t, silicone oil with strong water repellency is formed by encircling the inside of the silicone rubber layer, so the insulating rubber band 4oα is formed.

4 (3m), the side of the storage pocket, and the side of the storage book kesoto meal 42, the silicone mail is always protruding, so the inside of the non-warehouse IIM sister storage box 34 is dirty and damp. Silicone Oil 99's strong water repellency can prevent insulation from deteriorating even when exposed to water.1 For example, when pulp is used outdoors or in polluted areas, there is a risk of loss of insulation on the vacuum valve I'd surface. As a preventive measure, an empty valve is built into the insulator, and dry air, 8F6, is installed between the valve and the fishing pipe.
A method of enclosing a medium with poor insulation properties, such as gas, is used.

However, in order to maintain airtightness with the outside air, the threshold between the air valve and the insulating tube is sealed. ＠The inflow of air into the insulator pipe causes knots to form along the inside of the insulator pipe, resulting in a decrease in the insulation properties. When constructing the corridor, divide the insulating rubber band with water-repellent and oil-bleeding property into 21 or multiple stages at right angles to the length direction to lower the creeping surface inside the insulating pipe. It can be prevented.

(f) At least 12 folds on the starting side should be covered with a water-repellent south resistance insulating band on the surface of the insulating support. C2 so that it looks like this, and the resistance insulating band is diagonally 6 on the surface of the insulation support.
2. Or insulating support - Since it is installed on the inside of the monument formed on the surface, the size must be reduced to 6 to prevent dirt and moisture.
! It is said that it improves the voltage resistance characteristics at 62 hours,
Use in special environments - It is possible to obtain an insulating support that is smaller in size and has higher insulation reliability.

[Brief explanation of the drawing]

Figure 1 is a half-view showing a conventional vacuum breaker, Figure 2 is a front view, Figure 3 is a characteristic diagram showing the direct passage of a blockage and the opening of a severe voltage, and Figure 4 is a conventional vacuum breaker. Figure 6 is the same pressure (3) diagram, and Figure 7 is the same pressure (3) diagram, and Figure 7 is a diagram showing another embodiment of the present invention. Front view 1 showing the embodiment, and FIG. 8 are views from the i+-m plane excluding other embodiments of the present invention, and FIGS. 9 to 11 are enlarged views of the enclosure of FIG. 8. 1...III! l! Edge frame 2a, 2b,
2c -X Valve 4...e Edge operation rod 6...
Metal frame 8.9...Bariya River, 11.12.13.14...Water-repellent cylinder resistance r
, Entei (7317) Agent Patent Attorney Noriyuki Chika
(1 other person) Figure 1 Figure 2 □ Series 1 ( Figure 4 Figure 5/4 Figure 6 Figure 7 Figure 9

Claims (1)

[Scope of Claims] (υ Electrical equipment e) An insulating support W+- used as a structural material for loquats, in which the surface of the loquat support is made to have water repellency. A loquat's possession that depicts what he did. '(2J Tl1i11 resistance loquat firefly diagonally 52 and 11!f with respect to the side of the surface of the insulator (In 81, fireflies were attached to the surface of the loquat and the insulating supports of the first and second hives of the FC special cable were attached to the tombs in Tokyo.