TW512565B - Switch gear and power switching apparatus - Google Patents

Abstract

The switch gear comprises: a switching mechanism including a first fixed contact piece 21a to be electrically connected to a bus, a first movable contact piece 22a to be contacted with and removed from the first fixed contact piece 21a, a second fixed contact piece 31a to be electrically connected to the first movable contact piece 22a and also to be electrically connected to a transmission cable, and a second movable contact piece 32a to be contacted with and removed from the second fixed contact piece 31a and also to be grounded externally; a vacuum container 10 for storing the switching mechanism therein; and, an insulating mold 60 for covering the vacuum container 10, the mold 60 including on the surface thereof a conductive layer 60a for grounding.

Description

Printed by the Ministry of Economic Affairs of the Ministry of Economic Affairs and the Consumers' Cooperative of the Property Bureau 311305 A7 B7 V. Description of the Invention (1) [Background of the Invention] 1. Field of the Invention The present invention relates to a switching device including a switching mechanism, such as a bus terminal conductor And the main circuit switching part for connecting the load-side conductors to each other and for separating them from each other, and the ground switching part for connecting the load-side conductors and the ground-side conductors to each other and for separating them from each other, and particularly related to Not only can ensure safety, but also can be made into a lightweight switch device that does not take up space. 2. Description of Related Techniques A switchgear used to distribute the power received by the busbar to various load devices or to other electrical rooms via a transmission cable includes a grounded metal container. In the metal container, the switching device also includes a main circuit switching device and a grounding switching device for grounding the load end conductor. The main circuit switching device includes a bus end conductor for receiving power from the bus and a circuit for The load end conductor of the transmission cable to distribute power is configured such that the bus end conductor and the load end conductor are exposed outside the main circuit switching device, and the bus end conductor and the load end conductor can be connected to each other and separated from each other. . Now, FIG. 28 is a side cross-sectional view of a conventional switching device disclosed in Japanese Patent Application Laid-Open No. 28488, and FIG. 29 is an electrical connection diagram of the conventional switching device. In the drawings, reference numeral 100 indicates a metal container in which an insulating gas such as a sulfur fluoride (sf) is enclosed. The metal container 100 includes two transmission end insulations on its outer wall surface. The paper is sized to the Chinese National Standard (CNS) A4 (210 x 297 public love) ^ -------- ^ ------- -Cable (please read the precautions on the back before filling this page) 512565 A7 V. Description of the invention (2) Set of 11 0, 1 0 and a busbar end insulation sleeve 12 0, the two insulation sleeves 11 〇, 丨 丨 丨It extends through its associated outer side wall surface to make the inner and outer parts of the metal container 100 communicate and connect to the transmission cable. The busbar end insulation sleeve 120 (see Figure 29) extends through the outer side wall surface. So that the inner and outer parts of the metal container 100 can communicate with each other and can also be connected to the bus bar. Furthermore, a vacuum arc extinguishing chamber 200 maintained at a high vacuum is installed on the inner part of the metal valley 100. In the inner part, the vacuum arc extinguishing chamber 200 includes a switch contact 201 shown in FIG. 29 and for connecting and separating the bus bar end and the transmission cable end from each other, and a connection to the bus bar end. The bus bar end branch 121 is supported on the inner wall surface of the metal container 100. The first isolated supporting insulator 12 2 is connected to a bus bar provided on the outside through the bus bar end insulating sleeve 120. The transmission cable end of the vacuum arc extinguishing chamber 200 is connected to a branch through a first switching device 130. Ji Yu5 on the second side of the inner surface of the metal container iq〇 on the second isolation support insulator 161 on the intermediate conductor ι60, the intermediate conductor can be switched to the closed (ground), and the open position (cut_off). The intermediate conductor 160 is divided in two directions: in particular, one of the two divided portions is connected to the first load-end conductor m through the second switching device 140, and the second switching device 140 can be switched to off, ground, and open. And the other part of the two divided parts is connected to the second load end conductor 112 through a third switching device 150, and the third switching device 50 can be switched to the off, ground, and open positions. The first The load-side conductor ill is passed through a transmission-end insulation sleeve 11 times. This paper size is applicable to China National Standard (CNS) A4 specifications (21G X 297). (Please read the precautions on the back before filling this page) ---- ---- Order -------- Warp Intellectual Property Office employees consumer cooperatives printed 311305 512565 A7

V. Description of the invention (3) The Ministry of Economy and Intellectual Property Bureau employee consumer cooperative prints and connects to the first transmission cable provided on the outside, otherwise the second load end conductor 112 is connected to the device through another conductive end insulation sleeve 110 A second transmission cable on the outside. Incidentally, the structures of the first, second and third switching devices 130, 140 and 150 are respectively designed so that their respective driving parts (not shown) drive and rotate their respective isolation links 170, 170, 170 and metal links Levers 180, 180, 180 to switch to the closed, grounded and open positions. Particularly in the first switching device 13o, at its closed position, the switch contact 201 in the vacuum arc extinguishing chamber 200 is connected to the intermediate conductor ι6〇; in the ground position, the switch contact 201 is Is connected to a ground conductor 131 which connects the ground to the surrounding wall surface of the metal container 100; and in the open position, the switch contact 201 is neither connected to the intermediate conductor 160 nor to the intermediate conductor 160 Ground conductor 131. In the second and third switching devices 140 and 150, in their respective closed positions, the first and second load-side conductors Π1 and 112 are connected to the intermediate conductor 160, respectively; in their respective ground positions, the The first and second load-side conductors 111 and 112 are connected to their corresponding ground conductors 141 and 151, respectively; and at their respective open positions, the first and second load-side conductors 111 and 112 are neither connected to the intermediary The conductor 160 is also not connected to the ground conductors 141 and 151. In Fig. 28, only a circuit corresponding to one phase of the aforementioned switching device is shown. However, in the depth direction of Fig. 28, actually, three sets of similar circuit sections corresponding to the three phases of the switching device are arranged in parallel. That is, as shown in FIG. 29, design the structure of the conventional switch device, so as to discuss three lull ^ HI ----- order --I ----- I (Please read the precautions on the back before filling out this Page} This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 3 311305 512565 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 V. Description of the invention (4) The phase circuit section forms a complete Circuit. As mentioned above, in the conventional switch device, the two sets of similar circuit sections corresponding to the three phases of the switch device and forming a single complete circuit are arranged in the metal container. The metal ^ 1 belongs to Guyi. It has an insulating gas and is also grounded. The conventional switch device can cut 5 you + ^ 罝 Switch to the switch position that connects the bus bar end and the transmission cable end so that it can be connected to -The grounding position of the ground potential and the disconnection position where any of the above-mentioned connection methods are not implemented; and-the arc is generated when the switching device is cut off, and the switch is also used to open and close the bus terminal and the circuit between the transmission environment Contacts, attached to It is formed in a vacuum arc extinguishing chamber inside the vacuum container. However, in the conventional switching device, since the three-phase circuit section forming a complete circuit of the switching device is located in the same metal container, it does not only need to To ensure an isolated space to prevent short circuits between phases, it is also necessary to form the vacuum arc extinguishing chamber in the interior of the metal container. This will complicate the structure of the switchgear and increase the size of the design of the switchgear, in order Limiting the installation space of the switchgear and failing to reduce the production cost of designing the switchgear. On the other hand, the vacuum arc extinguishing chamber is not formed inside the metal container, but the insulating gas is enclosed in the inner part of the metal container In this case, a problem occurs in that the internal pressure of the metal container is increased due to an arc generated when the switching device is turned off; and particularly when sulfur hexafluoride (SF6) gas is used as the insulating gas, because hexafluoride The sulphur system is designated as one of the many gases whose emissions are to be regulated to prevent the global greenhouse effect, which in turn leads to another difficult to deal with and Problems in the production of sulfur hexafluoride gas. ----- tr --------- II (Please read the precautions on the back before filling this page) This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 4 311305 512565 Printed by the Ministry of Economic Affairs, Intellectual Property, and Intellectual Property Bureau Employee Consumer Cooperative A7 B7 V. Description of the invention (5) [Summary of the invention] The present invention is intended to eliminate the detection in the conventional switch device. According to this, 'the main object of the present invention is to provide a switching device, such as a switching mechanism of a main circuit switching device for switching a main circuit, thereby connecting a bus bar and a load device to each other, and for separating them from each other, And the ground switching part of the device is installed inside the vacuum container, and the vacuum trough is covered with an insulating mold body, and a grounded conductive layer is installed on the surface of the mold body to ensure safety and prevent The ground fault can reduce the manufacturing cost of the switching device, improve the installation freedom of the switching device, and make it easier to handle and control the switching device. A second object of the present invention is to provide a switching device in which a power receiving member to be connected to a bus bar is constituted by a wire connection terminal such as a connector, whereby the degree of freedom in installing the switching device can be improved. A second object of the present invention is to provide a switching device grounded via an external switching device, which is switchably connected to the grounding switching device so that the potential performance of a ground fault in the switching device is reduced to a very low level. A fourth object of the present invention is to provide a switching device. A vacuum container including a circuit composed of two or more phases is formed into an integrated body by a molded body, so that the switching device can be improved. Installation freedom. A fifth object of the present invention is to provide a switching device in which a vacuum container is stored in a grounded conductive member, the vacuum container is cast into a box shape from a conductive material such as a conductive resin, and the grounded conductive member and the vacuum capacity M-- ------ ^ --------- Line (Please read the precautions on the back before filling this page) This paper size applies to China National Standard (CNS) A4 (210 X 297 public love) 5 311305 Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, A7

V. Description of the invention G = The integrated body is formed by exposing the grounded conductive member to the switching device = surface by means of a molded body, thereby enabling the opening

Make it easy. I A sixth object of the present invention is to provide a switching device in which a conductive member such as-= an insulation plate is planted in a manner opposite to a load-side conductor:-a molded body, thereby enabling the measurement of the switching device to be measured. The voltage becomes easy. The seventh object of the present invention is to provide a switching device, wherein the vacuum container is covered with a buffer material, and the vacuum container and the buffer material are synthesized and integrated by a mold scale to prevent the vacuum. The device and the mold body are separated from each other due to their different linear expansion coefficients. An eighth object of the present invention is to provide a power switching device which can prevent the connecting portion of the vacuum container from being mechanically damaged and prevent discharge due to the concentrated electric field in a more reasonable manner. The ninth argument of the present invention is to provide a power switching device which can improve productivity and be smaller in size. To achieve the above object, according to a first aspect of the present invention, a switching device is provided, comprising:-a switching mechanism; a container for storing the switching mechanism therein; and an insulation for covering the container A member, wherein a conductive layer is formed on an outer surface of the insulating member. According to a second aspect of the present invention, there is provided a switching device including: a switching mechanism; a container for storing the switching mechanism therein; and an insulating molded body for covering the container, wherein A conductive layer is formed on the surface of the molded body. Private paper size applies to China National Standard (CNS) A4 (21G X 297 public love ° 311305

C Please read the notes on the back before filling out this page} -------- Order --------- ·) 12565 Printed by the consumer and intellectual property bureau of the Ministry of Economic Affairs A7. V. Invention Explanation (7) According to the third aspect of the present invention, there is provided a switching device as proposed in the second aspect of the present invention, wherein the switching mechanism includes a first fixed contact, a second fixed contact, and A fixed contact is in contact with the first movable contact that can be separated by the first fixed contact and is electrically connected to the second fixed contact, and can be contacted with and can be removed by the second fixed contact. The second movable contact. According to a fourth aspect of the present invention, there is provided a switching device as proposed in the third aspect of the present invention, further comprising a power receiving member electrically connected to the first solid: contact member, electrically connected to the second movable A grounding member of the contact, and a power distribution member electrically connected to the second fixed contact. In the switchgear according to the first, second, third, and fourth points of the present invention, a switching mechanism such as a main circuit switchgear for opening and closing a circuit between a bus bar and a load device, and a grounding switchgear are installed in a container. Inside, the container is covered with an insulating molded body, and a conductive layer for grounding is formed on the surface of the molded body, thereby not only ensuring safety, but also reducing the area where the inner part of the container provides a ground potential To prevent ground faults. And the entire inner part of the container is kept at a high vacuum, so that it is not necessary to provide a protective insulation plate in the periphery of the vacuum arc extinguishing of the contact, which can simplify the structure of the switch device and make it compact, so that This reduces the manufacturing cost of the switching device and easily improves the installation freedom of the switching device. Furthermore, since an insulating gas such as sulfur hexafluoride (sf6) gas is not used, the handling and control of the switching device can be facilitated. According to the fifth aspect of the present invention, there is provided a switchgear as proposed in the fourth aspect of the present invention, wherein the power receiving member is to be connected to the paper size and is applicable to China National Standard (CNS) A4 (210 X 297) Li) 311305 ------------- install · -------- order --------- line (please read the precautions on the back before filling this page) ^ 12565 A7 5. Description of the invention (8) to the terminal part of a conductor. (Please read the precautions on the back before filling out this page) In the switchgear according to the fifth aspect of the present invention, because the power connection is intended to be connected to a conductor terminal part such as a connector, most switchgears can be arranged side by side at- It can be easily connected to a busbar in a limited space. This can further improve the installation freedom of the switch device. According to a sixth aspect of the present invention, there is provided a switching device as proposed in the fourth or fifth aspect of the present invention, further comprising an outer side switching device that can be switched to the second movable contact by a switchable connection. It is isolated by a conductive layer formed on the light surface of the mold and grounded through the outside cut. In the switching device according to the sixth aspect of the present invention, it is possible to prevent a ground fault from occurring in the inner portion of the container by eliminating the area where the inner portion of the container is provided with a ground potential. Because of this, the reliability and safety of the switching device can be improved, the structure of the switching device can be simplified and made compact, the manufacturing cost of the switching device can be reduced, and the degree of freedom in installing the switching device can be increased, and The processing and control of the switching device can be facilitated. The Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed the seventh argument of the present invention to provide a switching device as proposed in any of the second to sixth arguments of the present invention, wherein the container includes two or more Containers and the two or more containers are integrated into an integrated body by the scales. In the switching device according to the seventh aspect of the present invention, the two or more vacuum vessels are integrated into an integrated body by using the die-casting body. The switching device can be made compact and thus can increase the switching device. Freedom of installation 0

This paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) 311305 512565 Ministry of Economic Affairs and Intellectual Property Bureau staff printing A7 printed by the cooperative Fifth, the description of the invention (9 According to the eighth point of the invention Provides a kind of switchgear 7 as proposed in any one of the seventh to seventh arguments. The grounding conductive member 'wherein it is formed on the mold body layer surface' further includes the use of the mold body to make the The conductive layer on the surface of the grounding conductive layer is formed on the mold body. The fly-up system is integrated into a switching device according to an eighth embodiment of the present invention, such as a material or a cylindrical shape. The rectangular box shape is used to produce a grounded conductive member, and the vacuum container is stored in the grounded conductive member, and these members are integrated into a vacuum container surface by way of the mold body. Integrated body. When manufacturing the switching device, this allows the conductive layer to be easily formed on the surface of the molded body. According to a ninth aspect of the present invention, there is provided a device such as The switching device proposed in any one of the second to eighth aspects of the present invention further includes a conductive member to be lost, wherein the embedded conductive member is made by the mold to make the desire The manner in which the embedded conductive member is lost into the die body is integrated with the container into an integrated body. In the switchgear according to the ninth aspect of the present invention, a conductive member such as a metal insulation plate is intended to be inserted into a load to face a load. The terminal conductor method is embedded in a molded body, thereby enabling a circuit equivalent to a capacitor. This can help the condition checking operation of the switching device, such as the voltage measurement of the switching device. According to the tenth point of the present invention Is to provide a Chinese paper standard (CNS) A4 as applicable in the second paper size of the present invention ^ _ (210 χ 297 mm) _M -------- t -------- -^ (Please read the precautions on the back before filling in this page) M2565 A7 _B7 V. Description of the invention Go) The switchgear proposed in any of the points to the ninth point, including the device to be fixed in the container and the molded body Peripheral and fixed to the container and die turn Between the cushioning material. In the switchgear according to the tenth aspect of the present invention, the vacuum container is covered with a punching material, and they are combined into an integrated body by a die-casting body, and the buffer material is fixed on the periphery of the vacuum container and the die-turn body and It is fixed between the vacuum container and the mold body, which can prevent the vacuum container and the mold body from being separated from each other in other ways because of their different linear expansion coefficients. According to the eleventh argument of this month, a vacuum insulated switchgear including a vacuum container and a necessary number of switching devices to be installed on the inside of the vacuum container is provided. Create an insulator. According to the twelfth aspect of the present invention, the vacuum insulated switchgear is electrically processed to provide a ground potential. According to the thirteenth aspect of the present invention, the switching device uses two A phase circuit is stored in the vacuum container. According to the fourteenth argument of the present invention, in the vacuum-insulated switchgear as proposed in the first to third arguments of the present invention = Ho-thesis, the Shinjitani Pirate is composed of a cylindrical main and a cast member And the knife is used for closing the two end members of the main body member. According to the fifteenth argument, Yu Ru in the third to third ... The paper size is suitable for wealth and family (cns) a ^^ g χNou Gongai 10 311305

I i is ordered to apply the surface of the molded body as in the first argument of the present invention, as in the first or the first of the present invention. Printed by A7 of the Ministry of Education, Intellectual Property, and Employee Cooperatives. V. Description of the invention (Uj In any argument of the vacuum-insulated switchgear proposed by the argument, the true = consists of a main body with a cylindrical bottom and an end member, one of the two body members-the end point ㈣ is open, and the end point member Sealing the open end of the main body member. According to the sixteenth argument of the present invention, in the vacuum insulated switchgear as proposed in the second to third arguments, the vacuum capacity M is provided by Two bottom-shaped main body members are formed, and the end-point side of each main body member is open, and the two main body members are joined in such a manner that their respective open end points are in contact with each other. Θ According to the first aspect of the present invention, Seventeenth point, in the vacuum insulated switchgear 4 as proposed in the fourth or fifth point, a positioning portion is formed in the end member against the main body member, and the base member is connected to the end point 4 Injury can be stored Within the positioning portion. According to the eighteenth point of the present invention, in the vacuum insulated switchgear as proposed in the sixth point, one of the open end portions of the two main body members which are to be abutted against each other. A positioning portion is formed, and another open end portion can be assembled to the positioning portion. According to the nineteenth aspect of the present invention, the vacuum insulated switch as proposed in any one of the first to eighth aspects In the device, for the main circuit conductor that is to be installed not only through the vacuum container but also inwardly and outwardly, an electric field buffer that is useful for buffering the electric field is formed on the inner edge of the hole that allows the main circuit conductor to extend in the manner described above. According to the twentieth point of the present invention, in the vacuum insulated switchgear as proposed in the ninth point, the standard is formed by extending the inner edge of the hole outward to the Chinese National Standard (CNS) A4 specifications (210 X 297 public love) ~ " 3Π305- Μ ------- I ^ --------- ^ (Please read the precautions on the back before filling this page) 512565 A7 B7 V. Description of Invention (12) Electricity Buffer ring part. According to the twenty-first argument of the present invention, it is provided-where the cylinder and the connecting part of the true and surplus switch device of the vacuum container are covered by the core. It is electrically conductive and is used in this way-resin insulation layer: outer one :: the shock-absorbing cover surrounds the shock-absorbing ring covering part and the outer surface of the vacuum container. The 22nd point of the Ming is to provide 1 power switch, In the conductive rubber shock-absorbing ring, an individual end portion of the conductive rubber shock-absorbing ring has an outer peripheral end portion, and the conductive rubber kick shock-absorbing ring === covers the outer periphery of the metal vacuum container part, and covers the insulating cylinder. The corners of the end portion of the shock absorbing ring at the outer peripheral end portion are made circular, and the radius of the rounded corners is slightly smaller than the thickness of the existing corners, covering the outer periphery of the metal vacuum container part. Each outer peripheral surface of the end portion of the shock absorbing ring is formed in a tapered surface, which makes the thickness of the protruding end point of the end portion of the shock absorbing ring almost zero, and the stepped shape of the inner peripheral surface of the shock absorbing ring. Parts are beveled separately The size of the bevel is greater than the size of the brass shoulder angle formed in the connecting portion. The Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed according to the twenty-third argument of the present invention to provide a power switching device in which an individual end portion of the conductive rubber shock-absorbing ring partially covers the outer peripheral end point of the insulating cylinder Part, the other end portion of the conductive rubber shock-absorbing ring covers the outer periphery of the metal vacuum container part, and the corner portions of the shock-absorbing ring end portion of the outer cylindrical end portion of the insulating cylinder are covered. Made into a circle, and the radius of the rounded corners is slightly smaller than the thickness of the existing corners to cover the end portion of the shock-absorbing ring on the outer periphery of the metal vacuum container part 12 311305 A4 regulations; fi⑽x 297 public love)-512565 A7 V. Description of the invention () -------------- installation · (Please read the precautions on the back before filling this page) Formed in a flat surface 'The flat surface intersects the axial direction of the insulating cylinder, and covers the stepped portion of the peripheral surface inside the insulating cylinder and the inner diameter side end of the shock-absorbing ring on the outer periphery of the metal vacuum container part The corners of the dots Do shaved beveled, the bevel of a size greater than the size of the yellow steel shoulders formed in the connecting portion. And in the power switch device, a connection guide system for connecting each electrode of the element switch to the outside of the power switch device is connected by a fastening means in an inner portion of the resin insulation layer. A bolt is also used as the fastening means, and the head of the bolt has an arc-shaped section. Furthermore, a voltage dividing electrode is provided inside the resin insulating layer on the periphery of the connection conductor, and the voltage dividing electrode is positioned by an insulator fixed to the connection conductor. In addition, in the inner part of the resin insulation layer, a voltage-dividing capacitor is installed, and the structure of the voltage-dividing capacitor is designed so that its electrode system is connected to the connection conductor and its electrostatic capacity is greater than between the electrodes of the respective connection conductors and One floating capacitor between each phase. Printed by the Ministry of Economic Affairs and the Intellectual Property Bureau's Consumer Co-operative Agency [Brief Description of the Drawings] Fig. 1 is a side sectional view of a switchgear according to Embodiment 1 of the present invention. Fig. 2 is a front view of a switching device according to Embodiment 1 of the present invention, showing a state when the switching device is arranged as a whole. Fig. 3 is an electrical connection view of a switching device according to Embodiment 1 of the present invention, showing a phase section thereof. This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 13 311305 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 512565 A7 B7 V. Description of the invention (14) Figure 4 is an embodiment according to the present invention A side sectional view of one of the switching devices of 2. Fig. 5 is a front view of a switching device according to Embodiment 2 of the present invention, showing a state when the switching device is arranged as a whole. Fig. 6 is a side sectional view of a switchgear according to Embodiment 3 of the present invention. Fig. 7 is a front view of a switching device according to Embodiment 3 of the present invention, showing a state when the switching device is arranged as a whole. Fig. 8 is a side sectional view of a switchgear according to Embodiment 4 of the present invention. Fig. 9 is a side sectional view of a grounded conductive box used in a switching device according to Embodiment 4 of the present invention. Fig. 10 is a side sectional view of a conductive isolation plate used in a switching device according to Embodiment 4 of the present invention. FIG. 11A is a side cross-sectional view of a molded body used in a switching device according to Embodiment 4 of the present invention, the molded body has a conductive isolation plate embedded in the periphery of a second fixed conductive rod; and FIG. 11B is the mold Circuit diagram of the equivalent circuit of the cast body. Fig. 12 is a front view of the structure of Embodiment 5 of the vacuum insulated switchgear according to the present invention, showing the state when the switchgear is arranged as a whole. Fig. 13 is a side sectional view of a structure of the fifth embodiment. Fig. 14 is a side sectional view of the structure of the sixth embodiment. Fig. 15 is a side sectional view of the structure of the seventh embodiment. Fig. 16 is a side sectional view of the structure of the eighth embodiment. (Please read the precautions on the back before filling this page) • ϋ ϋ nn ϋ ϋ ϋ ϋ 1: ° J ϋ 1 1 I nl · This paper is in accordance with China National Standard (CNS) A4 specification (21G X 297 public love) 14 311305 512565

V. Description of the Invention (I5, Figure, Figure, Figure 0) Figure 17 is an enlarged cross-sectional view of the main part of the structure of the ninth embodiment. Figure 18 is another enlarged cross-section of the main part of the structure of the ninth embodiment. The diagram is another enlarged section of the main part of the structure of the embodiment 9. The diagram 20 is an enlarged section of the main part of the structure of the embodiment 10. The diagram 21 is the main part of the structure of the embodiment 11 Magnified view Figure 22 is another enlarged section of the main part of the u structure of this embodiment (please read the precautions on the back before filling out this page) View Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs A sectional view of a main part of a first embodiment of a power switching device according to the present invention. Figures 24A and 24B are sectional views of a shock absorbing ring used in a power switching device according to the present invention. Figure 25 is the power shown in Figure 23 A sectional view of one of the main parts of a modified type of switchgear. Fig. 26 is a cross-sectional view of the main part of the second embodiment of the power switchgear according to the present invention. Fig. 27 is the power switchgear shown in Fig. 26. Of A sectional view of one of the main parts of a modified device. Figures 28 and 8 are side sectional views of a conventional switching device. Figure 29 is an electrical connection view of the conventional switching device. [Explanation of component symbols] Paper-shaped 'X · China Lai Jiaxian (CNS) A4 specification⑵G χ 15 311305 1T. • * line · 512565 A7 V. Description of the invention (ul 10, 1001 '1011, 1011A to 1011E' 2003 Vacuum container 11 Transverse pipe section 12, 14, 16, 18 Insulated pipe 13 '15, 17, 19 Metal pipe 20 Switch mechanism closes main circuit contacts 21 First fixed conductor rod 21a First fixed contact Printed clothing by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 22 The first movable conductive Rod 22a 22b Lower portion of first movable conductive rod 22c 22d Upper portion of first movable conductive rod 22e 23 First bellows 24 25, 26, 35, 36 Terminal 30 31 First fixed conductor rod 31a 32 Second movable conductive rod 32a 32b Ground drive parts Insulating member 33 34 Ground circuit drive parts 40 51 Bus bar 52 60, 1012 Moulded body 60a 80 Switch 90 91 Conductive buffer material 92 93 Conductive isolation plate 93a 93b Metal foil 94 100 Gold A first container no ill load terminal busbar conductor insulation sheath n2 12 0 121 122 130 131,141,151 first insulating support insulator ground conductor 14〇 --I three tangential drag stout

This paper size applies to China National Standard (CNS) A4 (210 X 297 mm). First movable contact. Insulation member. Main circuit drive part. Insulation member. Main circuit drive part. Switch mechanism. Closed ground contact. Second fixed contact. Second. Movable contact piece—corrugated tube elastic cylinder transmission cable conductive layer ground conductive box insulation buffer material cylindrical base member voltage detection cable transmission end insulation sleeve second load end conductor bus end branch branch first switching device second switching device soil medium _ 15-1 ΦΙ 311305 (Please read the precautions on the back before filling in this page) 踯 ·· Wire · 512565 A7 B7 V. Description of the invention (IS-2 161 First isolation support insulator 170 Isolation link 180 Metal link 2〇1 Switch contact 1005 '1008 Movable electrode 1009 Ceramic insulator 1015, 2011a Insulating rod 1018, 1019, 1020, 1021 End plate cylindrical body member 1022 1023 1025 1027 1030 2001 2004 2011 2000 Vacuum arc suppression chamber 1004, 1007 Fixed electrode 1006 Expansion bellows 1 0 1 0 Flexible conductors 2321 to 2323 Insulating cylinders 1022A, 1022B End points Component 1024 Connection part 1025A '1025B Main component 1026, 1029 Positioning Department Printed by the Ministry of Economic Affairs Intellectual Property Bureau Staff Consumer Cooperatives Bending part Main circuit conductor Main circuit switching part Covering insulator First movable electrode 2018, 2051 , 2053 connection conductor 2022 second fixed electrode 2031a, 2031b, 2031c opening 2042, 2421 resin insulation layer 2054 load end connection terminal 2056 support insulator 2061 capacitor terminal 2341 to 2344 cup-shaped sealing member 2371 '2372 electric field buffer ring component [of the present invention Detailed description 1 Guan Jia 1 0 2 8 curved groove 1031 electric field buffer ring part 2002 ground switching part 2006 capacitor in this paper scale. 2012 first fixed electrode 2021 second movable electrode 2031 metal container body part 2035 Cylindrical arc-shaped insulation plate 2052 Bus bar end connection terminal 2055 Cylindrical voltage-dividing electrode 2060 Bolt 2331, 2332 Cylindrical sealing member 2361, 2362 Bellows 2411 to 2414 Vibration-absorbing ring 15-2 311305 (Please read the precautions on the back before filling (This page) 丨 Line _ 512565 A7

(Please read the notes on the back before filling this page)

I order A7 B7 V. Description of the invention (Π) is formed in a cylindrical shape and is composed of an insulating pipe 14 and a metal pipe 15, which is made of a ceramic material and forms a wound on the side of the transverse pipe portion 11 ' And the metal pipe 5 forms a cylindrical shape with an inverted bottom and a lower portion of the transverse pipe portion 11. In the same way, the vacuum container is located at the other side of the horizontal pipe part 11 and the vertical pipe part on the upper part is formed into a cylindrical shape and is composed of an insulating pipe 16 and a metal pipe 17, the insulating pipe 16 series A lateral portion of the lateral pipe portion 1 丨 is formed and formed from a ceramic material, and the metal pipe 17 is formed into a cylindrical shape with an inverted bottom and an upper portion of the lateral pipe portion 11. The vertical container portion of the vacuum container 10 located on the lower portion of one side of the lateral tube portion wound 11 is formed in a cylindrical shape and is composed of an insulating tube 18 and a metal tube 19. The insulating tube 18 is made of ceramic material. Form and form a side portion of the transverse pipe portion 11, and the metal pipe 19 is formed into a cylindrical shape with an inverted bottom and a lower portion of the transverse pipe portion 11. Relative to the lower surface of the metal pipe 15 located in the lower part of the lateral side of the lateral pipe part, the first part that has not only extended through the vacuum valleyr but also extended outward and inward has been fixed. Fixed conductor rod, the lower end of the first fixed conductor rod 21 located outside the vacuum container 10 provides a terminal 25 to be connected to the bus bar 51; and the upper end of the first fixed conductor rod 21 located inside the vacuum container 10 A first fixed contact 21a made into a disc shape is fixedly locked. A first movable contact 22a 'is mounted on the outside of the first fixed contact 21a. The contact 22a is formed into a disc shape and is capable of contacting the first fixed contact 311305.

I Revision Paper Standard Applicable _ Tuka Standard (CNS) A4 Regulations ‘(2W χ 297 public love)-512565 A7

(Please read the notes on the back before filling this page}

V. Description of the invention (19) The metal pipe 18 in the lower part of the surface extends inwardly through the _r / side 'of the vacuum container 10 and is fixed outward and in the vacuum container ^. The first fixed conductor on the outer side is currently pole-mounted. The first fixed conductor on the π side is provided below the terminal to be connected to the transmission power environment 52. It is used to distribute power to various load devices or its cable 52. η Lizhi, and relative to the second fixed conductor rod 31 on the inner side of the Shinji Fenyi, the kidney part of the mW square part 'fixedly forms a second fixed contact piece in the shape of a disk ...'. By the way, 40 'has been inserted above and between the lower conductive portion 22b of the second fixed conductive rod 31 and therefore the second fixed conductive rod 31 and the lower portion 22b of the first movable conductive rod are connected Electrically connected to each other. Above the second fixed contact 31a, a second movable contact 32a 'formed in a disc shape has been installed. The second movable contact 彳 仏 can contact the second fixed contact 313 and the second fixed contact Ha leaves; the second fixed contact 31a and the second movable contact cooperate to form a ground contact point 30. The second movable contact piece 32a printed by the employee consumer cooperative of the Bureau of Final Economics and the Xianghui Property Bureau is fixedly locked to the lower end of the second movable conductive talent 32, above the side of the other end of the horizontal pipe section. In the upper surface of the metal pipe 17 in the part, the conductive rod 32 not only extends through the vacuum container 10, but also extends outward and inward; and the second movable conductive rod 32 is movably in a vertical direction. The support passes through the second corrugated tube 23, which is tightly sealed to the inner portion of the upper surface of the metal tube 17. The second corrugation is caused by the vertical movement of the second movable conductive rod 32 The expansion and contraction of the tube 33 can maintain the size of this paper. Applicable to the Chinese National Standard (CNS) A4 specification (21 × 297 mm 19 311305 512565 _B7. V. Description of the invention (20) The airtightness of the vacuum container 10. f The vacuum container 10, the second movable conductive rod "sub 36 is connected to the ground potential" and the upper end of the second movable conductive rod 32 is connected to the ground circuit driving part 34, which is used for vertical direction The second movable conductive rod 32 is driven in the middle. "The vacuum container 10 is covered with the insulation of the milk-based resin by exposing the metal pipes 13 and 17 respectively located in the horizontal pipe part = the upper part of the second end / part. A molded body 60 made of resin, and a conductive layer 60a made of, for example, a metal is mounted on the surface of the molded body 60 covering the vacuum container 10, so that the molded body 6 is formed. The surface can be mentioned by the way, because the conductive layer 60a is also conducting with the metal pipes 13 and 2, and the metal pipes 13 and 17 also provide a ground potential. Each of the three switching devices corresponding to the foregoing phases is as shown in FIG. 2 It is arranged side by side in the horizontal direction to form a switching device corresponding to a complete circuit. Each main circuit driving part 24, 24, 24 and each ground circuit driving part 34, 34, 34 can also be arranged so that they are related to each other. Next, this may facilitate the formation of the control mechanism, such as the combination of various driving parts. In the foregoing embodiment, the main circuit switching device and the grounding switching device are shown as the switching mechanism stored in the vacuum container. Structures arranged in parallel. However, 'this is not a limitation, but it can also make various other structures: for example, a structure in which only the main circuit switching device is stored in the vacuum container', and-such movable conductors can be horizontal The size of the paper in contact with and moved in the direction is applicable to China National Standard (CNS) A4 (210 X 297 mm '20 311305 512565 A7

The structure printed by your consumer cooperative in the Ministry of Economic Affairs, Xianghui Property Bureau. In the switch device according to the first embodiment of the present invention and having the structure designed in this way, each container is covered with a molded body formed of an insulating resin, and the conductive layer is provided on the molded body Grounding is provided on the surface, which not only makes it possible to prevent ground faults to ensure safety, but also enables the switching device to be interspersed and made compact. Embodiment 2 Now, Fig. 4 is a side sectional view of a switching device according to a second embodiment 2 of the present invention, and Fig. 5 is a front view of the entire configuration of the switching device. Incidentally, the electrical connection view of the second embodiment is similar to that of FIG. 3. In the second embodiment, the three vacuum valleyrs 10, 10, and 10 corresponding to the three phases of a circuit are combined into an integrated body by a mold tungsten body 60, thereby shortening the distance between the phases Η. By the way, because the vacuum containers are insulated from each other by the molded body 60 formed of an insulating resin, respectively, the three circuit sections corresponding to the three phases of a complete circuit are installed in a single vacuum valleyr. When the structures are compared with each other, a short circuit is difficult to occur between the phases, and the distance between the phases can be shortened. Furthermore, the terminals connected to the bus bar 51 may use a conductor connection terminal 26 such as a connector, which makes it easy to connect two or more switching devices corresponding to two or more circuits in a manner arranged in a limited space to The bus bar 5 1. Incidentally, in this embodiment 2, the parts corresponding to the embodiment 1 are given the same names, and thus descriptions thereof are omitted here. The ^ -------- ^ --------- line with the structure designed in this way according to the second embodiment of the present invention (please read the precautions on the back before filling this page) This paper size applies to China National Standard (CNS) A4 specification (21〇χ 297 mm) 21 311305 512565 A7 B7 V. Description of the invention (22) In the switching device, the three vacuum container systems corresponding to the three phases of a complete circuit The molded body is combined into an integrated body, and the conductor connection terminal is used as a terminal to be connected to the bus bar, which makes it possible to improve the productivity of the switching device, reduce the size of the switching device, and improve the switch. Installation freedom of the device. fExample 3 Now, Fig. 6 is a side sectional view of a switching device according to the third embodiment 3 of the present invention 'and Fig. 7 is a front view of the entire configuration of the switching device. Incidentally, the electrical connection view of the third embodiment 3 is almost similar to FIG. 3. In the third embodiment, between the upper part of the first movable conductive rod 22 located outside the vacuum container i 0 and a main circuit driving part 24, and the upper part of the first movable conductive rod 3 2 A main circuit driving part insulating member 22e and a ground driving part insulating member 32b have been inserted between the ground circuit driving part 34 and the ground driving part 34, respectively, so that the first movable conductive rod 22 and the main circuit driving part 24 are insulated from each other. And insulate the second movable conductive rod 32 and the ground circuit driving part 34 from each other. On the connection line protruding from the second movable conductive rod 32 and to be connected to the ground potential, a switch 80 is provided which can be opened and closed in conjunction with the ground contact 30, so that when the ground contact 3 is opened, At this time, the second movable conductive rod 32 can be separated from the ground. By the way, the switch 80 can be installed in the air, vacuum, or an insulating gas, and especially when it is installed in a vacuum or an insulating gas, the size of the switch 80 can be further reduced. 0 (Please (Please read the notes on the back before filling in this page) '' -------- Order -------- Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs

22 311305 512 ^ V. Description of the invention (23 ΑΛ Furthermore, '⑤-the upper surface of the mold binding body 60' is formed to remove the conductive layer wall dent 60b, so as to not only eliminate the vacuum container (please read the back first) Please note this page and fill in this page again) The insulation tube 12 'in the upper part of the two sides and two sides of the L ° is also removed from the insulating pipe in the upper part of the side of the other end of the work order 10. Insulate the metal pipe 13 and the metal pipe 17 in the upper portions of the sides of the vacuum container 10 from the ground, and also make the horizontal pipe portion 1 of the vacuum container 3 and the metal pipe 13 and the metal pipe 17 each other. Equal potentials are formed. By the way, in this embodiment 3, parts corresponding to the embodiment i are given the same names, and thus descriptions thereof are omitted here. As described above, according to the present invention, In the third embodiment, the inner part of the true wound 10 has been removed. The parts that can provide a ground potential when the ground contact 30 is opened, thereby being able to be used in the inner part of the vacuum container 10. Preventing ground faults Printed by the Consumers ’Cooperative of the Ministry of Economic Affairs, Bureau of Intellectual Property, because the vacuum container 10 provides a dielectric potential, the main circuit drive part insulation member 22e and the ground drive part insulation member 32b may also have a rating equal to or less than the rated withstand voltage. The pressure endurance performance, which is half of the value, makes it possible to reduce the size of the switch device. Furthermore, by applying a voltage using the switch 80, a voltage endurance test can be performed on the cables. Embodiment 4 FIG. 8 is a side cross-sectional view of one of the switching devices according to the fourth embodiment 4 of the present invention. By the way, the electrical connection view of the fourth embodiment is similar to the Chinese paper standard (CNS) A4 specification ( 210 X 297 mm) 23 311305 A7 V. Description of the invention (20 in Fig. 3) In the switch device according to the fourth embodiment of the present invention ^ ^ The switching device is a transverse pipe made of metal such as stainless steel (SUS) The peripheral part is covered with a conductive cushioning material such as conductive rubber 91 · Riba Ershan, and is located above and below the horizontal pipe part 11 The metal tubes 13, 15, 17 and 19 of the knife T are respectively covered with insulating cushioning materials 92, 92, 92, 92 such as Shixi oxyresin, right tree 1 and organic rubber. 3, 4 and 4 are electrically conductive material systems It is cast into a molded body 6 with a shape of the shape of a 幵 子 之, which provides a grounded conductive box 90. The vacuum container 10 is a grounded conductive box 90, and an insulating resin is poured into the grounded conductive box. The inner part of the box gn &, and the upper parts of the switch device are integrated into an integrated body by a molded body 6G made of the poured insulating resin. As a result, the conductive cushioning material 91 and the insulating cushioning material 92, 92, 92, 92 are respectively fixed between the vacuum container 10 and the mold turning body 60, and the ground conductors & It is exposed to the surface of the molded body 60. Now, Fig. 9 is a side sectional view of one of the grounded conductive boxes 90. As shown in FIG. 9, the grounded conductive box 90 is formed in a rectangular box shape similar to the conductive layer provided on the mold body 60 of the first embodiment. This not only prevents the vacuum container 10 and the molded body 60 from being separated from each other due to the difference in their linear expansion coefficients, but also does not need to form the conductive layer 60a on the surface of the molded body, thereby simplifying the switch. Device production steps. Also stick a metal foil 93b or precipitate the metal to include the collar part (please read the precautions on the back before filling this page) ------- ^ --------- · Economy The Ministry of Intellectual Property Bureau ’s Consumer Cooperatives prints private paper standards that apply the Chinese National Standard (CNS) A4 specifications (210 X 297 mm 24 311305 512565), and the Ministry of Economics and Intellectual Property Bureau ’s Consumer Cooperatives printed A7. 5. Description of the invention ( Μ) of a cylindrical base member 93a to thereby produce a conductively cut conductive isolation plate 93 ', and the electrical isolation plate 93 is opposed to the second fixed conductive rod 31 and penetrates through the insulating layer to provide the conductive isolation. The method of plate% enemies the periphery of the second fixed conductive rod 31 placed in the mold body 60. Another terminal for the voltage side is provided on the outer side portion of the mold tungsten body to thereby make the The molded body 60 is electrically connected to the conductive isolating plate 93 (> Incidentally, the parts in this embodiment 4 are given the same names, and thus descriptions thereof are omitted here. Now, FIG. 10 shows the conductive A side sectional view of one of the partition plates 93. As shown in FIG. In the conductive isolation plate 93, the metal foil 9 is adhered to the inside of the cylindrical base member 93a, that is, the side opposite to the second fixed conductive rod 31, thereby allowing the conductive isolation plate to have a conductivity. ^ Here, FIG. 11A is a side cross-sectional view of the molded body 60, wherein the conductive isolation plate 93 is embedded in the periphery of the second fixed conductive rod 31, thereby allowing the molded body 60 to detect the voltage. And FIG. 11B is a circuit diagram corresponding to the equivalent circuit of the voltage detection circuit of the mold body 60. As shown in FIGS. 11A and 11B, since they are opposed to each other and an insulation mold is provided between them The body 60 is embedded in a second fixed conductive rod 31 and a conductive isolation plate 93 which are both conductive. This configuration has the function of a capacitor C1, and thus a charge is stored in the conductive isolation plate 93, and the charge corresponds to The electric charge flowing on the bus bar end is connected to a terminal connected to the conductive isolation plate 93 through a circuit for grounding the voltage detection cable 94 used as the capacitor C2, so as to detect the size of the paper. The general Chinese national standard (CNS ) A4 specification (21G X 297 public love) " ------ 25 311305 ^ -------- ^ --------- ^ (Please read the notes on the back before filling (This page) 512565 A7 V. Description of the invention (26) The charge that is stored and one of the devices such as a voltmeter that can detect voltage and an element or a device are connected in parallel to the voltage detection cable 94, whereby the potential of the second fixed conductive rod 31 can be measured qualitatively or quantitatively. In the structure according to the embodiment 4 of the present invention and designed in this way, the grounded conductive box, the buffer material and the conductive The isolation plate is integrated into an integrated body by the molded body, which can simplify the manufacturing process of the switching device, prevent the vacuum valleyr and the molded body from being separated from each other, and facilitate detection operations such as voltage detection. Embodiment 5 A vacuum insulated switchgear according to Embodiment 5 of the present invention has a structure in the following manner: that is, for example, a main circuit composed of a fixed electrode of a main circuit switch device, a movable electrode of the main circuit switch device, and an insulating rod. The switching part, the ground switching part composed of the ground electrode of the grounding switch device and the movable electrode of the grounding switch device, and an elastic conducting system are stored in the inner part of the metal vacuum container in each phase respectively; The insulator is cast into the outer surface of the vacuum container, and the cast surface of the vacuum container is subjected to a conductive treatment to thereby provide a ground potential, and the vacuum container is connected to the outside through an insulating sleeve. Now, the fifth embodiment will be described below with reference to Figs. Fig. 12 is a front view of the switch device, which shows the actual arrangement; and Fig. 13 is a side sectional view of the switch device. In Figures 12 and 13, the vacuum container 1011 is a metal container made of a metal member. Especially in this vacuum container 10u, a cylindrical ginseng paper size is applicable to China National Fresh (CNS) A4 specification (21G x 297 cm) (Please read the precautions on the back before filling this page)-• n ϋ 1 ϋ I n ϋ I nn 印 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs :) 丄 22) 0 :) Printed by the Fujii Ministry on behalf of the Consumer Cooperatives of the Hui Property Bureau A7 V. Description of the invention (27-shaped main components and The two end portions on the side of the two end points for closing the main member are combined to form an integrated body; an appropriate number of holes have been opened up in the two end portions of the vacuum container u, and the required number of The device is inserted into the holes by extending through, that is, it is inserted into the holes not only through the vacuum container, but also inwardly and outwardly. In the illustrated embodiment, 'respectively Two holes have been opened in the upper and lower points of the vacuum container wn, that is, there are four holes A, B, C, and D in total. Relative to these holes A, B, c, and d, there are already provided By inserting their respective holes and using brass_ Insulating cylinders 1018, 1019, 1020, and 1021 made of porcelain. In Figure 13, the 'fixed electrode 1004 of the main circuit switchgear and the fixed electrode 1007 of the grounding switchgear are inserted into their respective holes. And are welded to the center of the insulating cylinder 1018 (hole A) and 1019 (hole B) with copper alloy respectively. The fixed electrode 1004 of the main circuit switching device is connected to the vacuum container 1001. The outer bus bar 1013, and the fixed electrode 1007 of the grounding switching device is connected to the transmission cable 10J4 outside the vacuum container 1001. On the side of the opposite position of the fixed electrode 1004 of the main circuit switching device (In Fig. 13, on the upper side "the movable electrode 1005 of the main circuit switching device is provided with an insulating rod 1015, and a ceramic insulator 1009 is provided therebetween, and the insulating rod 15 is arranged so that it can be positioned in the vertical direction. Insert the insulating cylinder 20 (hole C) in a freely moving direction. Also within the vacuum container 1011, the M-scale standard of the main circuit switching device is applicable to the national standard (cnS) A4. (210 X 297 public love) installed -------- order --------- line (please read the precautions on the back before filling this page) 512565 A7 V. Description of the invention (28) ~-(Please read the precautions on the back before filling this page) The moving electrode 1005 and the fixed electrode 1007 of the grounding switch device are connected to each other through an elastic conductor 1010 so that they can move freely. On the side of the opposite position of the fixed electrode 1007 of the grounding switchgear (on the upper side in FIG. 13), the movable electrode of the grounding switchgear is inserted into the insulation so that it can move freely in the vertical direction. The central part of the cylinder 1021 (hole D). In FIG. 13, the movable electrode 1005 of the main circuit switching device is movable in the vertical direction and forms a main circuit switching part that can be contacted and separated from the fixed electrode 1004 of the main circuit switching device. (1004, 1005) 'to thereby turn a main circuit on and off. Similarly, in FIG. 13, the movable electrode 1008 of the grounding switch device can also be moved in the vertical direction, and a ground switching part can be formed to contact and separate with the fixed electrode 1007 of the grounding switch device. (1007, 1008). The two ends of an expansion bellows 1006 printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs are respectively fixed to the insulating rod 1005 of the movable electrode 1005 of the main circuit switching device 5, and fixed to the insulating cylinder 1020 (hole C ), The movable electrode 1008 fixed to the grounding switchgear, and the insulating cylinder 1021 (hole D); that is, the bellows 1006 not only seals the inside of the vacuum container ι〇11 in an air-impermeable manner At the same time, it is also allowed to freely move the movable electrode 1005 of the main circuit switching device and the movable electrode 1008 of the grounding switching device in the vertical direction. In this embodiment 5, as described above, the main circuit switching portion ( 1004, 1005) and the grounding switching part (1007, 1008) are stored in a single unit inside the single vacuum container 1011 formed of metal; (the paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 28 311305 512565 A7 ----- B7 V. Description of the invention (29) In the case of a switching device composed of phases), arrange three vacuum containers 11 and complete them by an insulator Parts are cast together to provide a molded body (please read the precautions on the back before filling out this page) 1012; the surface of the molded body ι〇12 is conductively treated and connected to the ground. Incidentally, the term "cylindrical" used in the present invention means not only a simple cylindrical shape, but also various other cylindrical shapes including an angular shape, such as a square or oval shape, regardless of the shape of its cross section. According to the embodiment 1005, since the main circuit switching part G0Q4, 1005) and the ground switching part (1007, 1008) are stored inside the vacuum container 1011 And through the insulation rod 1015 to form a connection from the vacuum container 1011 to the outside, and the switching device can be made according to the insulation design, that is, a vacuum design that can provide excellent electrical insulation performance; that is, the switching device It can be made compact. Also, the three vacuum containers 1011 (in the case of the three phases) are all cast together to provide the molded body 1012, and the I surface of the molded body 1012 is electrically conductive and grounded. Therefore, it is easy to control the switch device. It is printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Since the vacuum container 1011 can be easily cast into a metal container of the desired shape, compared with ceramics When the conventional cylindrical container is formed, the vacuum container 1011 can be freely installed. Embodiment 6 According to Embodiment 6 of the present invention, a modification of the structure of the metal vacuum container 11 used in Embodiment 5 described previously is provided; and The other remaining parts of the structure of this embodiment 6, such as various switching devices (1004, 1005, 1007, 1008), various mounting devices and the paper size applicable to the Chinese national standard (1004, 1005, 1007, 1008) to be stored in the vacuum container CNS) A4 specification (210 X 297 mm) 29 311305 512565 A7-B7 V. Description of the invention (30) The configuration of the device is similar to that of the previous embodiment 5.

That is, in a metal vacuum container 100nA according to the embodiment 1006, as shown in FIG. 14, a cylindrical body member 1023 is combined with two end members 1022A and 1022B, respectively, to close the body. Part 1023 bis opens the end point; and between the two end plates 1022 and 1020 is used as the second connection part 1024 of the end point component and the main plate used as the main component " Μ is made of steel alloy by vacuum welding to the final steel alloy surface, so as to achieve vacuum sealing. According to this embodiment 6, not only the effect similar to that of embodiment 5 can be obtained, but also only by cutting the pipe member. The main body member 1023 can be produced and the end member members 1022A and 1022B can be produced only by the cutting board member, thereby making it possible to easily manufacture the vacuum container ι〇ιΐΑ. Therefore, the operation of the vacuum can be improved. The operating efficiency of the container 1011A. Now it is also possible to vacuum-weld the end plates by copper-zinc alloy, respectively. 〇22 and the main body plate 1023, the connection part 1024, to perform the most time-consuming vacuum sealing step in the process And forming the metal vacuum container 1011A as the most The copper-zinc alloy welding surface can greatly reduce the manufacturing time of the vacuum container 1011A. Furthermore, because the vacuum container 1011A is made of metal, it is used as the holes A and B of the vacuum container 1011A. , 0 and d can be easily formed into a desired size, and by making the holes into a large size, the fixed electrode of the main circuit switching device 1004, the movable electrode of the main circuit switching device can be greatly improved. 1005, insulation rod 1015, grounding switch device _ < Ξ & electrode 1007, movable electrode 1008 of grounding switch device, and elasticity 311305 are considered to be suitable for financial standards (CNS) A4_ specifications (21G χ tear public hair ) J 丄 ZJO :) Economics * Printed by the Ministry of Economic Affairs, Intellectual Property, and Consumer Cooperatives 311305 A7 Ϊ5 / V. Description of the invention (31) Assembly efficiency of the fixed electrode 1010 of the conductor. Example "^ Example according to the present invention 7 also provides a modification of the structure of the metal vacuum container j 〇〗 used in Embodiment 5 described previously; and the rest of the structure of Embodiment 7 is similar to that of Embodiment 5. That is, in the metal vacuum container 丨 〇 丨 丨 B according to the seventh embodiment, as shown in FIG. 15, a main body member 1025 having a cylindrical shape with one end opened and a bottom is connected to the main body member 〇〇25. The end member 1022 of the open end is joined; and the connecting portion 1024 between the end plate om22 serving as the end member io22 and the main body board 1025 serving as the main body is made of copper alloy Vacuum welding to the final copper alloy surface to achieve vacuum sealing. According to the embodiment 7, not only the effect similar to the embodiment 5 can be obtained, but also the end member 1022 can be produced by cutting the plate member, and the main body member 1 can be produced by casting the original blank member. 〇25, that is, these components can be manufactured quite easily, and the workability of the vacuum container 1011B can be greatly improved. Since it is also possible to vacuum-weld the connection part 1024 between the end plate 1022 of the bottom metal vacuum container 1011B and the main body plate 1023 by copper alloy to perform a vacuum sealing step which takes the most time in the process, As the final copper alloy welding surface, the manufacturing time of the vacuum container 1011B can be greatly reduced. Moreover, similar to the embodiment 6, because the vacuum container 1011b is made of metal, and is used as a hole for the opening of the vacuum container 1011B. The standard of this button applies Chinese National Standard (CNS) A4 size x 297. (Issued) --------- I --- · II I ---- Order · —---- I-- (Please read the precautions on the back before filling out this page} 512565 Ministry of Economic Affairs Wisdom Printed by A7, Consumer Cooperative of the Property Bureau. V. Invention Description (32) A, B, C, and D can be easily formed into the desired size, and by making these holes into large sizes, the main circuit can be greatly improved. Fixed electrode 1004 of the switching device, movable electrode 1005 of the main circuit switching device, insulating rod 1015, fixed electrode 1007 of the grounding switching device, movable electrode 1008 of the grounding switching device, and fixed electrode 1 of the elastic conductor In addition, since the metal vacuum container 1011B is divided into two components, that is, the end plate 1022 and the bottom body plate 1025, only a connecting portion 1024 is required, which will further improve The efficiency of the steel alloy welding operation. Furthermore, because the connection part 1 The number of 024 is one less than that of Embodiment 6, and it can also improve the reliability of the vacuum container 1011B, such as its airtightness. Embodiment 8 According to Embodiment 8 of the present invention, the metal used in Embodiment 5 described previously is also provided. Another modification of the structure of the vacuum container 1011; and the rest of the structure of the embodiment 8 is similar to the embodiment $. That is, in the metal vacuum container 1Q11C according to the embodiment 8, as in the sixteenth As shown in the figure, each of the two main body members 1025 whose one end is open at the bottom and having a cylindrical shape is combined with each other so that their open ends are close to each other, and a connecting portion 1024 between the main body boards 1025 is The copper alloy is vacuum welded to the final copper-zinc alloy surface to achieve vacuum sealing. According to the embodiment 8, not only the effect similar to that of the embodiment 5 can be obtained, but also because each of its original components is formed by die-casting, that is, The main body member 1025 can be easily produced, so the workability of the vacuum container iic can be greatly improved. (Please read the precautions on the back before filling this page) -0 .ϋ H ϋ ϋ II ϋ One-port, nn ϋ n I I I I · This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 32 311305 A7 B7

512563 V. Description of the invention (33) Since the metal vacuum container 1101 and 1C are divided into two components, that is, the two bottom body plates 1025, only one connecting portion 1024 is required, which can be further improved = improve the steel The efficiency of alloy welding operations. Furthermore, since the number of injuries of the connecting portion 1 024 is one less than that of the embodiment 6, the reliability of the vacuum container 1011B, such as its air-tightness, can also be improved. Furthermore, since the connection portion 1024 between the bottom body plate 1025 of the metal vacuum container 1011C bis can be vacuum-welded by steel alloy to perform the vacuum sealing step which takes the most time in the process, and Forming the final copper alloy welding surface can greatly reduce the manufacturing time of the vacuum container 11c. Furthermore, 'Because the metal vacuum container 1011C is composed of the two main body plates 1025 used as the two bottom body members, such as the two bottom body members 1025 which are tied together in the vertical direction, the same form of components can be used. The court allows the use of components of the same form. When compared with Example 7, the depth of the vacuum container 11C can also be reduced, which can improve the workability when casting the bottom body plate 1025. In addition, when compared with the fifth embodiment, since the number of the connecting portion 〇24 is reduced to one, the efficiency of the steel-zinc alloy welding operation can be improved and the reliability of airtightness can also be improved. Embodiment 2 See Embodiment 9 according to the present invention. In the foregoing Embodiments 2 and 3, as shown in FIG. 17, a positioning is formed on the side of the end member 1022 abutting against the main body member i〇23. The portion 1026, the immediately adjacent end portion of the main member 1023 can be stored in the positioning portion 1026. Here, the 17th (CNS) Na⑽ x 297 Gongchu)-^ ―-- ----------- ^ --------- (Please read the notes on the back before Fill out this page} Economic. Printed by A7, Employees and Cooperatives of the Intellectual Property Department of the Ministry of Economic Affairs and Economics. A7. V. Description of Invention (34) The picture is a view of the main part of the vacuum container that forms the part of the positioning. Note: Please fill in this page again.) The grade of the positioning part shown in Figure 17 is formed as follows: the groove is on the side of the main body and the side of the body member is open, and the injury on the edge of Ding Shangqiong can be stored in the groove. Of course, the The shape of the positioning part 1026; ^ is not limited to the gully shown in this embodiment 9, but as the positioning part is deleted, it can easily determine the position where the main body 1023 and the endpoint member assist, Any other formation can be used = the processed part in the end member 1022. By the way-for Shinji in the seal, used as the groove part of the positioning part 1026, steel 26 zinc alloy vacuum welding Into the steel alloy welding surface. According to the embodiment 9, not only the effects similar to those of the embodiments 丨 to 3 can be obtained, but also because The positioning portion 1026 is provided in the connecting portion of the metal vacuum container 1010, which can further improve the efficiency of the copper alloy welding operation, and can simplify a copper alloy welding fixture and improve the copper alloy welding position. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economics, by the way, as the positioning part 1026, as shown in FIG. 18, on the side of the end plate 1022 used as the end member may be processed It is used to locate the bent portion 1027 of the main body plate 1023 as the main body member; or as shown in FIG. 19, on the side of the end plate ιo22, processing may be performed to locate the main body plate 1023. The groove 1028 is bent. In either case, an effect similar to that of the positioning portion 1026 can be obtained. Embodiment 10 Now, according to an embodiment 10 of the present invention, in this embodiment 8, each has an open type The second side of the end point is a cylindrical body member at the bottom. The paper dimensions are applicable to the Chinese National Standard (CNS) A4 specification ⑵Q χ 297 public love. 34 311305 512565 A7 V. Description of the invention (M) A and 1025B are used to make each open end Point to each other The way in from square knot. In this embodiment 10, a positioning portion 1029 has been formed, and one of the two end portions (1025A) adjacent to the opening end of the main body member can be positioned at the positioning portion 1029 and the other member (1〇 25B) Assembled together coaxially. In the example shown in Fig. 20, the diameter of the end part of the main body located in the lower part of Fig. 20 with the opening face facing upwards. The diameter of the end portion of the 25 A opening is relatively located at the upper part of Fig. 20 The main body member 1025B with the opening side facing downward is slightly enlarged to form a positioning portion 1029, and the end portion of the opening of the upward positioning body member 1025B can be aligned with the positioning portion 1029 assembled together. Incidentally, the assembly part is vacuum welded to a copper alloy welding surface. According to the tenth embodiment, not only the effect similar to that of the fifth embodiment can be obtained, but also because the positioning part 029 is formed in the assembly part used as the connection part of the vacuum container 1011E, the copper word can be improved. The efficiency of the alloy welding operation can simplify the welding fixture of a steel zinc alloy and also improve the accuracy of the copper alloy welding position. Embodiment 11 Now, in an embodiment U according to the present invention, in the embodiments 1 to 6, for a main circuit conductor that extends not only through the metal vacuum container but also inwardly and outwardly, An electric field buffer ring portion for buffering the electric field is formed at the inner edge of a hole that allows the main circuit conductor to extend through. In particular, in the structure shown in FIG. 21, the metal vacuum container 1011 (1011A to 1011E) is provided on the side opposite to the main circuit conductor 1030. This paper scales the national standard of the country. 〇5 ^ -------- t --------- ^ (Please read the notes on the back before filling out this page) 512565 A7 V. Holes in the end plate 1022 of the description of the invention (36) Part A, so that the main circuit conductor extends through the hole A of the end plate 1022, that is, the open edge portion of the hole A of the end plate 1022 extends outward, thereby forming An electric field buffer ring portion Η that surrounds the main circuit conductor 1030 at an angle, and an appropriate gap is provided with respect to the main portion of the main circuit conductor 1030. Tian Yue According to this embodiment π, an effect similar to that of Embodiment 5 can be obtained. At the same time, a part of the metal vacuum container 1011 (1011-8 to 1011E) protrudes in a part where the electric field strength becomes high, so as to provide the industrial electric field buffer ring part 1031, which The electric field can be buffered without increasing the number of parts' and the voltage impedance performance of the switching device can be improved. Incidentally, as shown in FIG. 22, the electric field buffer ring portion 丨 j may be formed in the hole a of the end plate 1022 serving as the end member, and when the metal vacuum container 1011 (1011 eight to 1011E is manufactured) ), The end member is cast into an integrated body with the main body plate 1025. Of course, similar effects can also be obtained in this case. Embodiment 12 A power switch device according to the present invention will be described with reference to the accompanying drawings. Incidentally, in each drawing showing a preferred embodiment of the present invention separately, the same or similar parts are given the same names, and therefore descriptions thereof are omitted. Fig. 23 is a sectional view of a main part of a power switching device according to a first embodiment of the present invention. This power switchgear is mainly composed of the main circuit switching part 2001, the ground switching part 2002, and the main circuit switching part. The scale of the main circuit switching part is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) κ 36 311305 (please first Read the notes on the back and fill out this page) ----- I-^ -------- Λ Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 512565 V. Description of the invention (37) 2001 and ground switching It consists of a vacuum container 2003 of 2002 and a covering insulator 2004 used to package the vacuum container 2003. The main circuit switching part 2001 printed by the employee property cooperative of the Hui Property Bureau of the Ministry of Economic Affairs is composed of the first movable electrode 2011 and the first fixed electrode 2012, and the intermediate part is connected to the insulator by an insulator. Together, the ground switching part 2000 is composed of a second movable electrode 2002m and a first fixed electrode 2022, and the first movable electrode 2011 and the first fixed electrode 2022 are formed by The elastic connecting conductors 2018 are connected to each other. The vacuum container 2003 includes a metal container main body portion 2031 provided with four openings 2031a and 2031b. The four openings each have an oval surface and the main circuit switching portion 2001 and the ground switching portion 2002 also Extending parallel to each other through the four openings, insulating cylinders 2321 to 2323, cylindrical sealing members 2331, and 2332 made of ceramic, respectively, pass through the first movable electrode 20, the second movable electrode 2022, The cup-shaped sealing members 2341 to 2344 at the bottom of any of the first fixed electrode 2012 and the second fixed electrode 2022 can extend through the four openings, and a cylindrical arc-shaped insulation plate is provided at the four openings. 2035, bellows 2361 and 2362, and electric field buffer rings 2371 and 2372. The cladding insulator 2004 is composed of the suction rings 2411 to 2414 and a resin insulation layer 2042. For details, please refer to the structure of the vacuum container 2000, the cylindrical sealing member 2331 or 2332, the insulating cylinders 2321 to 2323, and the cup sealing members 2341 to 2344, respectively. Connected and stacked on the outer sides of the four openings 2031 and 2031b. The four openings are respectively formed in the container main body 2031 by steel-zinc alloy welding. The corrugated tube 2361 is welded by copper alloy. Or one of 2362 This paper size applies to Chinese national fresh (cns) ^^ (21q χ Norwegian public love) 37 311305 512565 A7 --------- B7________ V. Description of the invention (38) The endpoint is connected to the cup Around the opening of the bottom surface of the sealing member 2341 or 2342, the electric field buffer ring 2371 is connected to the periphery of the opening 2031a and the bottom surface of the cup-shaped sealing member 2343 by copper alloy welding, respectively. The bottom surface of the cup-shaped sealing member 2343 is provided opposite to the periphery of the opening 2031a, and the electric field buffer ring 2372 is connected to the periphery of the opening 2031b and connected to the cup-shaped sealing member by a copper alloy fresh connection method. The bottom surface of 2344, The bottom surface of the cup-shaped sealing member 2344 is provided opposite to the periphery of the opening 2031b. By the way, the insulating cylinder 2322 includes the stepped portion at the center portion of its inner surface, and the arc-shaped insulating plate 2035 has been installed on the stepped portion, and the stepped portion A uniform gap is provided between the inner peripheral wall surface of the component and the arc-shaped insulation plate 2035. The diameters of the insulating cylinders 2321 and 2322 are set larger than the diameter of the insulating cylinder 2323. The reason is that the first movable electrode 2011 includes an insulating rod 20a and a rod-shaped insulating plate 2011b in its central part, and also because the arc-shaped insulating plate 2035 is installed on the inner surface of the insulating cylinder 2322. On the center part. The main circuit switching portion 2001 is installed in the center portion of the internal space. The internal space is composed of the container main body portion 2031, insulating cylinders 2321 and 2322, a cylindrical sealing member 2331, and a cup-shaped sealing member. 2341 and 2343; the ground switching part 2000 is installed in the central part of the internal space, the internal space is composed of the container body part 2031, the insulating cylinder 2323, the cylindrical sealing member 2332, and The cup-shaped sealing members 2342 and 2344 are formed; the main circuit switching portion 2001 and the ground switching portion 2002 are connected to each other through the connecting conductor 2018, respectively. The paper size is applicable to China National Standard (CNS) A4 specifications (21 () x 297 Gongchu) --- 38 311305 (Please read the notes on the back before filling out this page) Order ---------- Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, Qinqin 512565 A7 V. Description of the invention (39); and the first movable electrode 20U is connected and sealed to the other end of the bellows 23 61 by gas-tight alloy welding, and the second movable electrode 2021 is borrowed. Copper alloy welding method and Airtightly sealed to the other end of the corrugated tube 2362, the first fixed electrode 2012 is connected and sealed airtightly to the periphery of the opening on the bottom surface of the cup-shaped sealing member 2343 by copper alloy recording method. The second fixed electrode 2022 is connected and sealed to the periphery of the opening on the bottom surface of the cup-shaped sealing member 2344 by a copper alloy welding method and being airtightly sealed. As in the conventional vacuum switch | ▲ ▲ 'in order to reduce the connection between the insulating cylinders 2321 to 2323 made of ceramics and the metal components to be connected there because of their different thermal expansion coefficients The residual stress that occurs during alloy welding must be appropriately selected for the material and shape of the metal member. The shock absorbing rings 2411 to 2414 are respectively placed in an integrated manner above a region bounded by the outer peripheral surface of the cylindrical sealing member 2331 or 2332, and at a connecting portion between the insulating cylinder 2321 and the cup-shaped sealing member 2341. Above the vicinity, and above the vicinity of the connection portion between the insulating cylinders 2321 to 2323 and the cup-shaped sealing members 2341 to 2344; and the outer surfaces of the vacuum container 2003 and the fixed electrodes 2012 and 2 022 And the outer surfaces of the shock-absorbing rings 2411 to 2414 are covered with the resin insulating layer 2042, except for the bottom end portions of the cup-shaped sealing members 2341 and 2342 and the circuit connection of the first and second fixed electrodes 2012 and 2022. Outside the side endpoints. The shock-absorbing rings 2411 to 2414 are produced according to the die-casting method by casting conductive rubber, and in the state of the die-casting, the inner diameter of each shock-absorbing ring is in accordance with the Chinese standard (CNS) A4 specification (210 X (297 public hair) ~ 39 311305 512565 A7 printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs' " ---------------- V. Invention Description (4〇) is set to be slightly smaller than The outer diameter of the part where the vacuum container 2003 is to be installed. The cross-sectional shapes of these shock-absorbing rings 2411 to 2414 are shown in Figures 24a and 24b. In particular, FIG. 24A shows the cross-sectional shape of the shock-absorbing ring 2411 and 2412, where the X1 portion covers the end portions of the insulating cylinders 2321 to 2323, and the Y1 portion covers the cup-shaped sealing member 2341 to 2344 The end portion of the outer peripheral surface. The corner drop of the outer diameter side of the XI part is made into a circle, and the half warp of the circle is smaller than the thickness of the corner. Therefore, when the shock absorbing rings 2411 and 2412 are installed in the vacuum container 2003, the electric field of the corner can be buffered. The outer diameter side surface of the Y1 portion is formed on the tapered surface so that the thickness of the end portion of the tapered surface is almost zero. The corner part of the inner diameter side of the Y1 part adjacent to the magic part is chamfered to avoid shoulders in the connecting part formed between the insulating cylinders 2321 to 2323 and the cup-shaped sealing members 2341 to 2344. Angular interference. On the other hand, FIG. 24B shows the cross-sectional shape of the shock-absorbing ring 2413 and 2414, where the X2 portion covers the end portions of the insulating cylinders 2321 to 2323, and the Y2 portion covers the cup-shaped sealing member 2331. To 2332 outside peripheral surface. The end surface that wants to come into contact with the main part of the container is marked with Z. The corner of the outer side of the X2 part is made into a circle, and the radius of the circle is smaller than the thickness of the corner. Therefore, when the shock absorbing ring MB and 2414 are installed in the vacuum container 2003, the corner can be cushioned. electric field. The corner portion of the inner diameter side of the X2 material and the corner portion of the end surface Z are beveled respectively to avoid the formation of the insulating cylinders 2321 to 2323 and the cylindrical sealing member 2331. Or 2332 apply Chinese National Standard (CNS) A4 specification (21G χ 297) at this paper scale ------- 40 311305 (Please read the precautions on the back before filling this page) ----- --- ^ --------- 512565 A7 B7 V. Description of the invention (4!) And the joint between the main body part 31 of the container and the cylindrical sealing member 233ι or] ⑶, the shoulder angle interferes . The end surface 2 is formed as a plane so that it can be in close contact with the container main body portion 2031. The shock absorbing rings 2411 to 2414 are respectively the outer periphery of the metal layer formed in the end portion of the insulating cylinder 2 such as 2323 of the vacuum container fan 3 or the outer peripheral portion of the steel alloy welded shoulder angle. Internally used to buffer the density of the electric field, the copper alloy welded shoulder angle is formed between the insulating cylinders 2321 to 2323 and other components. In addition, by the way, when the resin insulation layer 204 is made by the casting method, the shock-absorbing ring M to 2414 can not only prevent the resin from penetrating into the steel-zinc alloy welded shoulder angle, but also can cushion The concentrated stress of the resin insulating layer 43 and the thermal stress generated by the temperature change when the power switching device is operated. The main circuit switching part 2001 and the ground switching part 2000 are combined into the vacuum container 2003, the shock absorbing rings 2411 to 2414 are women's clothing in the manner described above, and they are fixed into a predetermined metal mold casting body Then, the resin insulating layer 2042 is formed of epoxy resin I purpose resin by each molding method. According to the power switching device constructed in the foregoing manner, the two components of the vacuum container 2003 inside the open portion are used to form the main circuit switching portion 2001 and the ground switching portion 2002, respectively. The shock absorbing ring system is installed in the vacuum. The outer periphery of the connection portion between the insulating cylinder of the container 2003 and the metal sealing member, and in addition to the terminal portion and the vicinity of the sealed mounting adjacent portion of the movable electrode, the package can be sealed by the covering insulator. External surface of the power switchgear. This structure can prevent the vacuum container paper size from applying the Chinese National Standard (CNS) A4 specifications (210x 297 mm y 41, one 311305 512565 employee consumer cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs printed A7 B7. V. Description of the invention (42) In 2003, the strength of the connection part was reduced and the insulation distance required between the charging part of the power switch device and the wound was reduced, thereby achieving the same function as the conventional ring type main switch device in a small control area. Furthermore, if In the position where a short circuit occurs in the inner part of the power switch device, since the present injury is kept in a vacuum state, it is impossible to increase the pressure in the installation part of the power switch device. Therefore, it is easy to design a highly safe and Very economical power switchgear structure. In the previous description, the structure of the power switchgear was designed so that a two-element switch composed of a pair of switching parts corresponding to the phase is encapsulated, that is, the main circuit switch Part and a ground switching part. However, this is not a limitation, but instead, for example, the structure of the power switching device can be designed So that it encapsulates an integrated body and the number of element switches corresponding to three phases. Now, Fig. 25 is a cross-sectional view of the main part of the correction item of the power switching device shown in Fig. 23. This correction item is in each of the following The point is different from the power switch device shown in Fig. 23. That is, two openings are formed on the side of the main circuit switching part wound 2001 in the container body portion 2031, and an opening 203 is formed on the side of the first fixed electrode. The size of lc is equal to the size of the arc-shaped insulating plate 35, and one end of the arc-shaped insulating plate 2035 is connected to the periphery of the opening 2031c by copper-zinc alloy welding. The insulating cylinder 2322 is at one end The diameter is gradually reduced in the vicinity of the point portion, and at the end portion, the size of the insulating cylinder 2322 is equal to the size of the insulating cylinder 2323. kp 丁 1 II n 1 II ϋ nn ft —9 fl 1 nnn Biaa i_i nn _1 nn 1_1 I (Please read the notes on the back before filling this page)

311305 512565 A7 V. Description of the invention (43) Since the structure of this amendment is designed in the manner described above, the cup-shaped sealing member intended to be connected to the fixed electrode 2012 on the side of the main circuit switching section 2001 can also be used as The cup-shaped sealing member to be connected to the fixed electrode 2022 on the side of the ground switching part 20002 makes it possible to reduce the number of kinds of sealing members. Embodiment 13 FIG. 26 is a partial cross-sectional view of a pull-out portion of a fixed electrode of a synthetic vacuum switch according to a third embodiment of the present invention. The first fixed electrode 2012 is terminated inside a resin insulating layer 2042 and is connected to the bus bar connection terminal 2052 via a connection conductor 2051. The second fixed electrode 2022 terminates in the inner part of the resin insulation layer 2042 and 2054 connected to the load-side connection terminal via the connection conductor 2053 ^ on the resin outside the load-side connection terminal 2054 In the inner part of the insulating layer 2042, a cylindrical voltage-dividing electrode 2055 has been installed for detecting a voltage coaxially with the load-end connection terminal 2054 via the supporting insulator 2056. In connecting the first fixed electrode 2012, the conductor 2051 and the bus-side connection terminal 2052 are connected together 'and in connecting the second fixed electrode 2022, the conductor 2053 and the load-side connection terminal 2054 are connected together The individual heads are fastened together using bolts 2600 with arc-shaped cross sections. Since the structure of the second embodiment 2013 is designed in the manner described above, when it is integrated in a way that the vacuum container, the main circuit switching part and the ground switching part are integrated into an integrated body, it is used to form a resin insulation layer. Paper & Degree Applicable _ Home Standard (CNS) A4 Specification (210 X 297 mm) 43 311305 M -------- 1 --------- ^ (Please read the first Note: Please fill in this page again) 512565 A7 V. Description of the invention (44) When the metal mold body is used, there will be a space or a tolerance in the relative dimensional error. This error is the positional relationship between each movable electrode and the solid electrode. The positional relationship is determined by the allowable error of each copper alloy welding part. This is because the connection between the first fixed electrode 2012, the connection conductor 2051 and the bus-side connection terminal 2052, and the second fixed electrode 2022, the connection conductor 2053, and the load-side connection terminal 2054 can be adjusted. The connection part. For example, given appropriate adjustment tolerances for each connection part, the connection conductor 2051 and the bus-side connection terminal 2052 can be connected together, and the second fixed electrode 2022, the connection conductor 2053, and the load-side connection terminal can be connected together. 2054 can be connected together on an assembly fixture corresponding to the metal mold prayer body. This structure can increase the power generation of the power switching device and reduce its manufacturing cost. Since the electric field in the vicinity of the conductor connection portion can also be buffered, the thickness of the resin insulating layer 2042 portion corresponding to this portion can be reduced, which in turn makes it possible to reduce the size of the power switching device. Since the positioning method of the partial voltage electrode M "relative to the metal mold body is also determined by the position of the load end connection terminal 2054, it is not necessary to position the partial voltage electrode 2 by the metal mold body end. 55, which can improve the efficiency of the positioning operation. Also, because the voltage-dividing electrode 2055 can be installed in the load-side connection terminal 2054 at any position, the inner portion of the resin insulation layer 2421 can be easily optimized This also helps to reduce the size of the power switch device. In the above description, the voltage-dividing electrode is installed on the periphery of the load terminal connected to the 4 terminals. However, this is not a limitation, and vice versa Can also be used _ Applicable to this paper size _ House Standard (CNS) A4 size coffee χ 29-44 311305 if I 1 u I ^ · 111111! (Please read the precautions on the back before filling this page) 512565 Intellectual Property Bureau, Ministry of Economic Affairs Printed by employee consumer cooperative A7 B7 V. Description of the invention (45) A structure as shown in FIG. 27, in which the capacitor 2006 is connected by the connecting conductor 2053 via the connecting line 2055, and on the outer side of the molded body Capacitor terminals 2061. In the case where the capacitance of the capacitor 2006 is set to be larger than the floating capacitance between the electrodes or the floating capacitance between the phases, the voltage can be detected even when the bus terminal is being charged or the phases are adjacent to each other. So far, in the switchgear according to the present invention, the switching mechanisms such as the main circuit switchgear used to open and close the circuit between the bus bar and the load device and the grounding switchgear are respectively located in a container, The container is covered with an insulating mold body, and a conductive layer is formed on the surface of the mold body for grounding, thereby not only ensuring safety, but also reducing the area providing the ground potential at the inner part of the container, so that Prevents ground faults. The inner part of the container is kept under a high vacuum, so that it is not necessary to provide a protective insulation plate in the vacuum arc extinguishing periphery of the contact point. This simplifies the switchgear and makes it Compact in order to reduce the production cost of the switch device and easily increase the installation freedom of the switch device. Furthermore, because it is not used An insulating gas such as sulfur hexafluoride (SF6) gas can facilitate the handling and control of the switching device. Also in the switching device according to the present invention, a power receiving member system for electrically connecting the switching mechanism and the bus bar to each other It is composed of a conductor connecting terminal part such as a connector. Due to this design, most switchgears can be arranged side by side in a limited space and can be connected to a bus bar, thereby further improving the freedom of installation of the switchgear. In the switchgear according to the present invention, it has been equipped with a connection ------------- install! Ill order --------- line (please read the back of the first Note: Please fill in this page again.) This paper size is applicable to China National Standard (CNS) A4 (210 X 297 mm) 45 311305 Printed by Employee Cooperative of Intellectual Property Bureau of Ministry of Economic Affairs 512565 A7

V. Description of the invention (46) The ground switching device is connected to switch the outer switching device, and the switching device is grounded through the outer switching device, thereby eliminating the area provided by the inner part of the container from the ground potential, which can be inside the container. Partial protection against ground faults. Because of this design, the reliability and safety of the switch device can be improved, the structure of the switch device can be simplified and made compact, the manufacturing cost of the switch device can be reduced, and the degree of freedom in installing the switch device can be increased, and The processing and control of the switching device can be facilitated. Also in the switching device according to the present invention, most vacuum vessels can be integrated into an integrated body by a molded body. Due to this design, the size of the switch device can be reduced and the degree of freedom in installing the switch device can be improved. Also in the switching device according to the present invention, a conductive material such as a conductive resin is cast into a cylindrical or rectangular box shape to thereby generate a grounded conductive member, a vacuum container is stored in the grounded conductive member, and the member systems are An integrated body is integrated by a molded body in such a manner that the grounded conductive member is exposed to the surface of the vacuum container. This enables the conductive layer to be more easily formed on the surface of the molded body when the switching device is made. Furthermore, in the switching device according to the present invention, an intrusive conductive member such as a metal insulating plate is embedded in the die-casting body so as to face the load-side conductor, thereby realizing a circuit equal to a capacitor together. This can facilitate the status check operation of the switching device, such as voltage detection of the switching device. Also in the switching device according to the present invention, the vacuum container is covered with a buffer material, they are integrated into an integrated body by the mold body, and the buffer material is fixed between the vacuum container and the mold body, which can prevent The vacuum capacity (please read the precautions on the back before filling this page)

The size of this paper is in accordance with China National Standard (CNS) A4 specification (X 297). 46 311305 M2565 A7 V. Description of the invention (47) Due to the different linear expansion coefficient between the device and the mold body, they are separated from each other in other ways . According to the present invention, the main circuit switching portion and the grounding portion of the grounding switchgear can be arranged relatively freely in the inner portion of the vacuum container. Since this β is calculated, it is possible to supply a vacuum insulated switchgear which is compact, manufactured at a reduced cost, easy to handle, and excellent in performance. According to the present invention, since the most time-consuming vacuum sealing step in the manufacturing process of the switchgear can be performed by the copper alloy vacuum welding method, the manufacturing time of the switchgear can be greatly reduced. Also, since the vacuum container is designed as a plurality of components appropriately separated, the workability of the vacuum container can be improved. Furthermore, because the vacuum container is made of metal, the opening of the vacuum container can be selectively sized, which makes it possible to improve the combined efficiency of various devices, such as fixed electrodes of main circuit switching devices, main circuit switches The movable electrode of the device, the insulating rod, the fixed electrode of the grounding switch device, the movable electrode of the grounding switch device, and the fixed electrode of the elastic conductor. According to the present invention, since the metal vacuum container only needs to be connected, the copper alloy welding operation efficiency of the vacuum container can be improved. Reducing the number of vacuum containers can also improve the reliability of the airtightness of the vacuum containers. According to the present invention, since the positioning operation has been performed on the connection portion of the metal vacuum container cast from two or more components, not only the efficiency of the copper alloy alloy front welding operation of the vacuum container can be improved, but also the simplification can be simplified. The copper-zinc alloy welding fixture can also improve the accuracy of the steel alloy welding position. _ The paper size is applicable to China National Standard (CNS) A4 (210 X 297 male) 47 47311305 ------------- ^ r ----- fit -------- -Line (Please read the notes on the back before filling this page) 512565 A7

512565 V. Description of the invention (Electric field density in the peripheral portion outside the shoulder angle formed in 40 parts. Furthermore, the individual end portions of the conductive rubber shock-absorbing ring cover the outer end portions of the peripheral cylinder Part, the other part of the electric rubber shock-absorbing ring of the guide edge covers the outer periphery of the metal vacuum gauge and the outer peripheral part of the vacuum cover, covering the peripheral end part of the outer periphery of the insulating cylinder. The corner of the end of the heart and the agricultural mounting is rounded. The radius of this circle is slightly thicker than the thickness of the corner. ^^: The shovel in the Luo system is slightly smaller than the 厪. It covers the metal straight container part. The end portions of the outer ring of the shock absorbing ring are formed in a flat surface, respectively. The flat surface intersects the axial direction of the insulating cylinder, and the inner diameter of the stepped portion of the inner peripheral surface of the shock absorbing ring is covered. The corners of the side end portions and the outer periphery of the metal vacuum container part are cut into oblique angles respectively, and the size of the oblique angles is larger than the size of the copper-zinc alloy welded shoulder angle formed in the connecting portion. This structure can be More reliably cushion the shoulder corners formed in the connecting portion The electric field density in the outer peripheral part. Because the connection guide system for connecting the electrodes of the component switches to the outside of the power switch device is connected by the fastening means of the inside part of the resin insulation layer Improving the production of the power switchgear and reducing its manufacturing cost. It is also printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economics because the bolts with arc-shaped heads are used as the fastening means. Due to this design, the The electric field in the vicinity of the conductor connection portion and the thickness of the resin insulation layer portion corresponding to the vicinity portion can be reduced to thereby reduce the size of the power switching device. Furthermore, because of the connection conductor In the outer periphery, a voltage-dividing electrode is provided within the resin insulation layer, and the voltage-dividing electrode is fixedly fixed to the connection conductor by an insulator without positioning on the side of the metal mold body. Our scale is applicable to China National Standard (CNS) A4 (210 X 297 mm) 49 311305

512565 V. Description of the invention (50) The voltage dividing electrode makes it possible to improve the efficiency of the positioning operation. Also, because the voltage-dividing electrode can be installed at any position in the connection conductor, the potential distribution in the inner portion of the resin insulation layer can be easily optimized, and the size of the power switching device can be reduced. In addition, in the inner part of the resin insulation layer, a voltage dividing capacitor is installed, and the structure of the voltage dividing capacitor is designed so that its electrode system is connected to the connection conductor, and its electrostatic capacitance relative to the connection conductor is set to Greater than the floating capacitance between the electrodes and between the phases. Thanks to this design, the voltage can be detected even when the bus terminal is being charged or the phases are adjacent to each other. (Please read the phonetic on the back? Matters before filling out this page) —fit --------- Printed by the Consumers' Cooperative of Intellectual Property Bureau of the Ministry of Economic Affairs This paper is in accordance with China National Standard (CNS) A4 (210 X 297 mm) 50 311305

Claims (1)

91. 6 · 24 Revised Jiq Η3 89 89105746 Patent Application Application Patent Amendment. (September 27, 91 1. A switch device, including a switch mechanism; used to store the A container of the switching mechanism, and an insulating member for covering the container, which causes a conductive layer to be formed on the outer surface of the insulating member. 2. A switching device such as the one applying for a patent, wherein the insulating member It is an insulating die-casting body. 3. For example, the device in the scope of the patent application, wherein the customs clearance mechanism includes: the first fixed contact; the second fixed contact; can be contacted with the first fixed contact; The first movable contact that the first fixed contact leaves, which is electrically connected to the second fixed contact; and printed by the Staff Welfare Committee of the Central Standards Bureau of the Ministry of Economic Affairs to contact the second fixed contact and The second movable contact that can be removed by the second fixed contact. 4-The switch device of the third scope of the patent application, further comprising: a power receiving member electrically connected to the first fixed contact A grounding member electrically connected to the second movable contact; and a power distribution member electrically connected to the second fixed contact. 5. If the switching device of the scope of patent application No. 4 further includes this paper rule money shoot_ Jia Pi (CNS) Α7ϋΤ! ΙΓ7 · 297 mm 7 1 311305 H3 H3 can be switched with the first movable contact to switch the outer side, wherein the ground member is insulated from the conductive layer on the surface of the molded body and It is grounded through the external switching device. 6, The switching device of item 2 in the material range, which includes two or more valleys of the valley benefit are integrated into a human body by the molded body. 〇7_If a patent is applied for The switching device of the first item of the scope, wherein the container is a straight empty container made of a metal material bucket and bound by an insulator. 8'The switching device of the seventh item of the patent application scope, wherein the vacuum container is Consisting of: a cylindrical body member and one end member for closing both ends of the body member. 9. The switchgear according to item 7 of the scope of patent application, wherein the vacuum container is :: a cylindrical body Components and It is composed of an end point component, of which the end point is open, and the open end point of the main component is sealed with the end point component. Printed by the Staff Welfare Committee of the Central Bureau of Standards of the Ministry of Economic Affairs 10: Patent Application Scope No. 7 The switching device of item, wherein the vacuum container is constituted by a main body member with a cylindrical bottom, each one of the end points of the main body member is open at the side, and the two main body members are in contact with each other with their open ends in contact with each other. The switching device of item 8 is consumed, in which the end structure of the -night connection abutment piece is formed with a -positioning portion, and the adjacent end portion of the main component can be stored in the positioning portion. Share. △ If the switching device of the scope of patent application No.7, it is expected to make the redundant size appropriate 311305 The main circuit conductor of women's clothing is not only extended beyond the vacuum container but also T inward and outward, allowing the main circuit The inner edge of the hole, where the conductor extends in the manner described above, forms an electric field buffer ring portion that is used to buffer the electric field. 13. The switchgear according to item 7 of the scope of patent application, in which there is an insulating round 7 cylinder forming the vacuum container, the vacuum container has a metal part, a connecting part between the insulating cylinder of the vacuum container and the metal part The part near X is covered with the shock-absorbing ring, each shock-absorbing ring is made of conductive rubber, and the resin insulation layer is covered by the outer surface with the outer surface of the direct-operated, industrial-grade descent. Part. Printed by the Staff Welfare Committee of the Central Bureau of Standards of the Ministry of Economic Affairs. 14. If the switchgear of the scope of application for item 13 of the patent application, in which an end portion of the conductive rubber shock-absorbing ring covers the outer / end portion of the insulating cylinder, The other end portion of the conductive rubber shock absorbing ring covers the outer periphery of the metal vacuum container part, and the corners of the end portion of the shock absorbing ring covering the outer end portion of the insulating cylinder are rounded. Shape, and the radius of the rounded corners is slightly smaller than the thickness of each corner, and the outer peripheral surfaces covering the end portion of the shock absorbing ring on the outer periphery of the metal vacuum container part are formed in a tapered surface, respectively, where The thickness of the protruding end point of the end portion of the shock-absorbing ring is almost zero, and the stepped portions of the inner peripheral surface of the shock-absorbing ring are respectively cut into oblique angles, and the size of the oblique angle is larger than that formed in the connecting portion. The size of the brass shoulder angle. 15. As for the switching device of item 13 of the patent application, wherein an end portion of the conductive rubber shock-absorbing ring covers an outer peripheral end portion of the insulating cylinder, and another end portion of the conductive rubber shock-absorbing ring Cover the outer perimeter of the metal vacuum container part, and cover the outside of the insulating cylinder. This paper is standard TcNS) A4 size (ix 297 public love j 3 311305 H3 'end of the shock absorption ring end part Each part makes the radius of the rounded corner slightly smaller than that of each corner: made into a circle, and belongs to the outer periphery of the vacuum container part; degree 'covers the gold into a flat surface, and the surface point part system They intersect respectively, and the cover = the axial direction of the insulating cylinder and the outer periphery of the metal vacuum container part. The t! Λ step t-shaped portion / min. Bevel-shaped, the size of the bevel is larger than the connection. The size of the brass shoulder angle formed in the Pf knife. Printed by the Staff Welfare Committee of the Central Standards Bureau of the Ministry of Economic Affairs This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 4 311305