TWI288941B - Arc prevention device and switch having the device - Google Patents

Abstract

The object of the present invention is to provide an arc prevention device for increasing arc-proof performance and preventing arcs of large current range and small current range. Magnetic plates 110 with magnetic plate paths 111a, 111b and arc-proof devices 120 with arc-proof device paths 121a, 121b are alternatively arranged with a predetermined space in the movement direction of the moveable electrode. The moveable electrode sequentially passes through the magnetic plate paths 111a, 111b and arc-proof device paths 121a, 121b in open circuit. Then, slits 112a, 112b are formed in the deepest part of the magnetic plate paths 111a, 111b. The arc is drawn and fixed to the slits 112a, 112b in open circuit. Particularly, by limiting the arc of small current range in the arc-proof device 100, it is able to assure the time of contact between the arc and arc-proof dissolution gas generated by the arc-proof device 120. As a result, the arc of small current range can be rapidly eliminated.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an arc prevention device and a switch having the device § open circuit, preventing electricity generated between the fixed electrode and the movable electrode. The suction is mounted on the part formed. Grille. When the circuit is open, the magnetic flux is divided into arcs. Again, the cooling of the arc. The arrangement is cooled by the absence of a cathode falling arc of the magnetic plate between the plurality of stacked plates. Such an arc-preventing device is incorporated in the arc, and is described, for example, in the patent document 1 and the conventional structure. The arc-preventing device disclosed in Patent Document 1 has a plurality of grids (magnetic bodies) having recesses, and a plurality of cuts of the back side of the body and the arc-proof member are wounds; A thin groove formed in the center of the inner surface of the insulator exposes the periphery of the arc column, and by the presence of the grid, a deflecting cloth is generated, and the arc is driven to the inside of the notch recess of the grid. Because, the same day is cut by the magnetic body, the cathode drops the voltage rises ::Arc; 'The thermal decomposition gas generated from the insulator promotes the λ, and the arc voltage rises rapidly to complete the arc prevention. On the one hand, it is described in the patent Xuanling Yizi, the support department has an arc-inducing arc-mounted grid plate (magnetic plate), =::: a predetermined spacer insulating plate (anti-arc material). The open day is separated by the inner side of each magnetic port. The arc is driven by the magnetic plates, and the arc is driven to increase the voltage. Further, by means of a knife break, the arc is electrically cooled by the arc heat generated from the 'plate" generated by the insulating plate. As a result, the arc voltage rises down = the second solution of the rolling limbs promotes the rise of the arc and completes the elimination of the arc.

2188-5900-PF(Nl).pld $6, page 1894941 V. Description of the Invention (2) Patent Document No. 6-77417 Patent Document No. Sho 63-84822 SUMMARY OF INVENTION Technical Problem However, the above-mentioned conventional grille v JI々一兄, device A, this

Broken as 3·6/7. In a high-voltage AC load switch of 2KV or higher = a small current of several tens of A (amperes) or less, such as a charging current, ie; ::: is difficult. Due to insufficient energy of the arc current, the grid is generated, and the final arc cannot actively contact the arc-proof member (the above-mentioned service: red and insulating plates). Moreover, the heat generated when the circuit is opened due to insufficient energy is also caused by the fact that the arc-proof decomposition gas is also small. ^ In the arc prevention device, it is desirable to ensure the blocking performance in a region from a large current range to a wide range of "^, especially in relation to the generation of the electromagnetic force of the magnetic plate, which is greater than the breaking performance. =, stable electromagnetic force, excitation current and charging current, etc. 30 amps: = arc in the small current range, especially 5 amps in the current range of the arc is expected to shorten its occlusion time. The invention provides an arc prevention device, in order to solve the above problem

Its purpose is to improve the arc prevention performance, and not only a large current range but also a small electric range can prevent arcing. Another object of the present invention is to provide an arc prevention device and a switch having the same that it is desired to greatly shorten the coverage of an arc of a small current range, and for a wide range from a large current range to a small current range [in the mouth, 7^^ /ry jL·. Stays stable electromagnetic force, making stability improve the occlusion

1288941 V. INSTRUCTIONS (3) Means for Solving the Problem The arc preventing device described in the scope of the patent application is formed by a magnetic body while the magnetic material of the magnetic magnetic plate is reversed. ς彳 The movable t-pole can generate a synthetic tree of the arc-proof decomposition gas through the J: the arc-forming movable electrode can be formed by the arc-proof member passage 2 and disposed in the moving direction of the movable electrode, In the opening 2 arc-proof member, the i::, the electrode sequentially passes through the magnetic plate passage 2, and the fixed electrode separating plate passage and the arc-proof member passage are passed through, and the magnetic arc inducing portion is inside the magnetic plate passage. = movable electrode passes; - the channel has a small visibility, the arc is formed by the magnetic plate; the movable electrode generates an arc; ;: Inducing the arc in the innermost part of the path of the arc-proof member in the fixed electrode; forming an arc with a ratio of ±f—the depth of the upper part is small”, and each of the magnetic yokes is exposed in each deep-cut groove. The arc-constrained part of the invention described in the second paragraph of the patent scope of the invention, in the arc-preventing device described in the first paragraph of the reclaimed patent, " the creeping distance of the creeping distance is increased. The patent range of the side of the square arc member The invention of claim 1 or claim 3 is characterized in that the above-mentioned anti-arc structure is used in the lightning protection of the lightning protection device described in the application of the fourth item.

2188-5900-PF(Nl).ptd 1288941 --------- V. Description of the invention (4) The deep groove of the piece is open to the inside of the arc-proof member. For example, in the invention of the fourth aspect of the invention, in the arc preventing device according to the third aspect of the patent, the object of the invention is that the application member is provided with a distance between the upper and lower arc-proof structures of the upper portion of the magnetic plate. The structure is increased by the surface and the inner surface of the side edge portion of the wall member formed by the arc member passage portion holding member's above-mentioned, along the path of the arc-proof member passage, and the arc-preventing member The member J member is individually connected to the surface and the inner surface of the arc-proof member: #; The height of the arc-proof configuration plate from the spacer member is set by the above setting. The surface and the inner surface of the patent: the invention described in item 5's main purpose is in the side edge of the application, the history of the second electric 5 melon anti-soil, the center '纟i〗 anti-arc structure such as Shen Over the protrusion of the side edge of the magnetic plate. ^ ～ The part of the main electrode corresponding to the movable electrode, such as the main position, is parallel to each other. π 凊 凊 凊 凊 凊 凊 凊 凊 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧 电弧The width of the groove is set within a range of 1 Λ. In the invention of the arc-proof earth-proof device described in the i-be, the invention described in the scope of the patent, the method of the invention, is the invention described in the sixth aspect of the invention, wherein the magnetic circuit is movable in the application of the phase-direction two-arc earth-proof device. The portions of the electrodes are formed such that at least the positions corresponding to the passages through the magnetic plates are parallel to each other to form the magnetic plate passages. The gist of the invention is to apply for the purpose of the invention in the application of the above-mentioned grooving width, and the j is in the 1 R. The heart, the 嵬 防 & 取 取 取 取 取 取 取 取 取 取 取 取 取 取 取 取 取 取 取In the arc prevention device described in item 1, above

Page 9 2188.590〇.PF(Nl).Ptd 1288941

V. DESCRIPTION OF THE INVENTION (5) The innermost portion of the arc-proof member passage is formed to form a pressure chamber for trapping the arc-proof decomposition gas. The invention described in claim 10, wherein the above-mentioned pressure chamber is provided in a plurality of times in the arc preventing device f according to claim 9. According to the invention, in the arc prevention device according to the first aspect of the invention, the arc suppression device is provided with a movement suppressing structure to suppress the arc resistance. The decomposition gas moves toward the opening side of the arc-proof member. According to the invention of claim 12, in the arc preventing device of the first aspect of the invention, when the monthly degree of the magnetic plate is (^, the thickness of the arc-proof member is d2 When the arrangement interval of the arc-proof member is d3, 'the arc-proof member and the magnetic plate are formed and arranged, and dl<d3<d2 is the invention described in claim 13 of the patent application. The gist of the invention is a switch=, including: a pair of sleeves are supported for each phase on opposite sides of the body casing; a fixed electrode is disposed at an inner end of the sleeve; and a movable electrode is rotatably disposed at an inner end of the other sleeve And the arc preventing device according to the first aspect of the invention is provided at the inner end portion of the sleeve, as described in claim 4, for example, the invention described in claim 4 The gist is an electric-arc prevention device, a magnetic plate formed of a magnetic body and having a magnetic plate passage through which a movable electrode can pass, and a combination of insulating property and arc-proof decomposition gas generated by contact with an arc. While the resin is formed, with

2188-5900-PF(Nl).ptd第10页

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EMBODIMENT OF THE INVENTION (7) The invention is the invention described in the scope of the application of the invention, and the object of the invention is that in the arc-proof device according to Item 16 of the application, the inner arc of the base is configured as a single or The plurality of insulating walls overlap the insulating wall with the lowest layer of the anti-electricity. The invention described in claim 19, wherein the invention relates to an arc-proof device according to item 16 of the second aspect of the invention, wherein the arc-proof device is inserted into the arc-proof device. 1 The engagement protrusion is a support hole for the arc-proof member formed by the support member from the inner side, by: ::: the arc member is supported between the two support members, and the end portion of the engagement protrusion is provided There is a device to prevent extraction. The invention described in the second aspect of the invention is the object of the invention, wherein in the arc preventing device according to Item 1 or Item 14, in the arc-proof member of each arc-proof layer, The peripheral edge of the anti-arc component passage has a fine gap anti-arc device. The invention according to claim 21 of the present invention is characterized in that, in the side portion of the application arc member, a holding magnetic plate and/or a lower arrangement are provided in the above-mentioned anti-electric holding device. The lowermost #111保保保持装 [the invention of the arc member covering the above supporting member, as described in claim 22 of the patent application scope, the basin Guanyi' includes: t source side casing and load side casing, ::Two: 7 kinds of open side walls are oppositely supported by each phase; the inner end of the two source sleeves of the body peripheral; and a movable core at the inner end of the electric load sleeve, relative to The above-mentioned solids can be joined and separated on the above-mentioned negative electrode;

2188-5900-PF(Nl).ptd Page 12 1288941 The application of the special-side bushing is driven by the splitting member to connect the body to the range of the electrode-forming range. 0 heavy (f err range is the same as the magnetic movable electric power is the inner end of the low carbon profit range: the movable path can be produced in the arc of the 23rd item in the traversable part. 5, invention description (8) The utility model is provided as follows: if the movable electrode is arranged on the power supply, the fixed electrode is connected to the arc-proof member, and the movable body is pressed into the movable body during the open circuit, and the second driving link system is applied as in the patent application scope. Preventing the device, the plate at the same time, the ferrite iron containing the chromium 9. 〇 ~ fraction of the movable electrode, such as the application of the special arc prevention device, the plate at the same time, the choice of the movable electrode represents the composition of the 14th item The invention relates to the driving of the connecting rod rod, the upper electrode passing portion, and the invention that the movable movable electrode can pass through the partial moving electrode and the fixed cymbal, preventing the arc preventing device in the device, and the action connecting The movable electrode passes through the magnetic flux electrodes; the arc between the air blowing side and the movable electrode electrode is the invention of the air blowing member and the invention described in the twenty-fourth item. The magnetic material consisting of a magnetic body is formed by a magnetic flux passage portion in a direction orthogonal thereto, and is characterized in that the magnetic system has a percentage of carbon and a carbon steel of 0.06 to 〇〇2 〇 and a weight of 11 e). The invention of claim 25 is characterized in that the plurality of sheets are arranged by the magnetic #$ board in the magnetic direction of the body thereof, and the magnetic body is magnetically oriented; Ιίί, and the s pole passing portion; Forming a through (..~~..:2. Weight percentage): If the invention of claim 1 is open, the body is solid.

1288941

V. INSTRUCTION OF THE INVENTION (9) ΪΪ; tens of A (amperes) generated between the movable electrode and the movable electrode are fixed by arc induction and small electric induction. Then, actively promote == part, * such as Shen: by! ί anti-arc decomposition of gas to prevent arcing. Knife Decomposing Body φ ^ The invention of the second aspect of the patent range further increases the creeping distance of the side of the arc member. Step to ensure the arc-proof member and;: ^ = in the invention of the third item 'more progress-step' by the anti-electric arc member passage and the deep cut groove: the arc-decomposed gas passes the invention of claim 4 of the patent application scope, Further, the side edge portions of the two-and/plate-facing surfaces are held by the spacer members, and the shape is formed along the surface of the earth member and the arc-proof member of the anti-electricity member. The recessed portion ensures the arc-proof structure; the cow side: the second-segment gap maintains the * face and the inner face of the wall member and the arc-proof member. Thanks to the plate, the securing of the creeping distance becomes easy. j is not in contact with magnetism, such as the generation of an arc between the side edges of the magnetic plate of the fifth application of the patent application. Further, the invention according to item 6 of the patent application scope is suppressed, and the internal electric/contact arc-proof framing of the magnetic board is driven to at least correspond to the inner side positions opposed to each other through the magnetic-plate passage. Parallel, so the part of the movable electrode at the time of production = road, the electric is stable and magnetic; the electromagnetic force between the bits is the same. Anti-electrolysis due to the arc member == In: Arc heat is prevented from being thickened by the liver to promote arc prevention. 2 。 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 188 . In the case of 匕, the magnetic attraction force in the magnetic plate is ensured in the fine groove, and the arc is prevented from moving toward the opening side of the magnetic plate.

According to the invention of claim 8 further, since the width of the groove is less than u mm, the electric power J inside the magnetic plate is secured, as in the invention of claim 9 of the patent application, the pressure of the electric decomposition gas is increased. . 7 to the next day] Arc prevention 4 ^ Μ The invention of claim 11 of the patent scope suppresses the movement of the above-mentioned prevention #W M: y gas to the opening side of the arc-proof member. Therefore, the gas is also moved by the arc-proof member passage; the = decomposition side 'in; the inner arc-proof decomposition gas plant is firmly in the interior as follows:: Patent No. 12 invention, the accuracy is at a threshold the above. Braid 尨 丄仏 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 . In contrast to the invention of claim 14, the magnetic plate is exposed to the arc-proof member passage: the peripheral electrode of the stop wall portion and the movable electrode are in the passage of the „太λ electric fox member. Therefore, 乂斗夕φ π, a, for example, an external solidification of 5 amps or less is induced by the arc inducing portion, and the state of each magnetic plate passage provided around each arc stop wall portion is fixed to each magnetic C. Therefore, the lightning is fixed. Contact time between u arc and arc-proof member, between arc and arc-proof member === Page 5 2188-5900^PF(N1).ptd 1288941 V. Invention description (11) Knife ensure. Then, promote homogenous gas φ 疋 The side of the arc-proof portion from the arc-stopping portion is open. The deep-cut groove of the μ φ arc member is placed on the arc-proof member U in the vicinity of the arc-stop wall and straightly to the side. The arc-proof gas is surrounded by the arc-stopping portion. w. The arc-proof gas is continuously supplied to the electricity. The invention of the invention is in the scope of the invention, and the above-mentioned magnetic system consists of the upper 〇· υ Weight a percentage and carbon 〇 · 〇 fat iron (ferrite ) is not a steel. 02 = 篁 percentage of the iron single-phase structure, to enhance the magnetic properties of the magnetic plate:: > the dish is also stable fertilizer particles, as claimed in the 22nd invention, the movable electrode The opening operation generates an arc between the driving of the two moving links, and the arc-proof device is provided in the arc-proof device by the wind pressure generated by the movement of the member connected to the driving link J2 and the movable electric power and the movement of the member. The movable electrode passing portion: the effect of the invention described above is induced by V. In the present invention, not only the high current is increased, but also the arc in a small current range is prevented. In the surrounding, the arcing resistance is improved in the present invention. It is hoped that the interruption time will be greatly shortened, and in the region where the arc current is wide from the large current, it is ensured that a stable electric power is generated to: the width of the current range: energy. Method first embodiment

1288941 V. INSTRUCTIONS (12) The following is a description of the first embodiment of the present invention, the root M @ i5 β is a switch benefit prevention arc installation such as flute 1 with the same according to the first figure to the ninth figure Description. As shown in Fig. 1, on the side wall of the switch u, the two sides of the power supply side bushing 13 and the load side bushing 14 < 2 are supported by each other (the phase is shown in Fig. 1). In one electric = respective phase ΐ : -11 ^ ^ ^ t 1 5 , Λ , ^ l 15 = the upper part of the end is fixed with an arc-resistant metal... The load gate electrode ι is provided with a conductive rod 16 on the same-conductive rod 16 by the shaft two-point lock = held at the base end portion of the movable electrode 18. As shown in Fig. 2, the blades 18a, 18b are: ϊ :: Q: The parallel plate-shaped contact is 4 mm. (4) In the middle of the 'contact blade center, (10) thickness ± ^ * surface as shown in Fig. 1, in the lower part of the main body casing 12, through, and the link mechanism formed by the Qilian cup (illustration omitted) The actuator is provided with a cylinder; the rotation of the external operating handle (illustration omitted) of the workpiece peripheral 12 is fixed to the same rotating shaft 1 9 in an integrally rotatable manner. One end of the driving unit is rotatably coupled to the front end of the lever 20, and the other end of the driving unit is rotatably coupled to the vicinity of the center of the movable electrode 18. However, when the operation knob is operated, the movable electrode 18 is connected to the rotation axis 19, the damage rod 20, and the drive link 24 via the link machine i θ ^ 疋, and the axis I7 is centered on the _ BACK line. The input position moves between the open position indicated by the same two-point lock line. Arc-proof device As shown in Figure 1, the arc-proof device 1 is 固定 经由 via fixing accessories

1288941 V. Inventive Note (13) 318 is fixed to the inner end of the power supply side bushing 13. As shown in Fig. 5, the anti-deformation: Π1〇0 is a plurality of grids in which the plate-shaped body is formed of a magnetic body (the magnetic material is opened), and the synthetic resin material having the insulating property and the arcing property is formed. ' \ Arc-proof member 1 2 〇, the movement _ f ' of the movable electrode 18 is alternately arranged at a predetermined interval. As shown in Figures 4 to 6, the chess and the arc-proof members 120 They are respectively disposed between the pair of support members 130. The support members are as shown in Figures 3 to 6 'support members 丨3〇 are made of a material containing: 绝: material: or inorganic material. The base portion 131 of the 1-pole 15 is on the support portion-holding portion 132 which is inclined with respect to the same base portion 131, and the two-group multi-array magnetic plate supports the longitudinal direction of the support portion 132 of the 1 V ,, # Further, each of the magnetic plate supporting holes 133 in the support portion 132 is provided with a support hole 134 for the arc-proof member. The holding hole 134 for the arc-shaped arc member and the magnetic plate are provided. The branch and the person are connected to each other. Then, when the arc-proof member 120 and the magnetic plate are δ, the arc-proof member 120 will be described later. The joint portion 14 is inserted into the support hole 134 for the electric fox member. The magnetic plate 11Q 113 can be simultaneously fixed to the support member 13A. (Magnetic plate, as shown in Fig. 7, the magnetic plate 110 is composed of The magnetic body (in the present embodiment, = soft steel) is formed into a W-shaped plate shape. The front end edge of the magnetic plate (1) (the side edge on the side of the load shell 1 e 1 4) can be passed through the contact blades 18 8 and 18 b, respectively. Page 18 2188-5900-PF(Nl).ptd 1288941 V. INSTRUCTION DESCRIPTION (14) A pair of magnetic plate passages 111a, 111b are formed at predetermined intervals. The opposite direction of the magnetic plate passages 1 11 a, 1 1 1 b The inner edges of the inner edges of the contact edges 18a and 18b passing through the magnetic plate passages 11 la and 11 lb are parallel to each other to form the magnetic plate passages 1 1 1 a and 1 1 1 b. From the viewpoint that the electromagnetic attraction force of the plate 110 is increased, the width D1 of the magnetic plate passages 丨丨la, 11 1 lb is preferably extremely narrow, and in the present embodiment, is slightly smaller than the thickness of the contact blades 1 ga, 1 gb. 8 mm wide. In the innermost portions of the two magnetic plate passages 111a, 11b, slits 112a, 112b are formed as slits. The narrow groove 112a, The width D2 of 11 2b is smaller than the width D1 of the magnetic plate passages 11 la, 11 lb, which is 〇. 5 mm in the present embodiment. The narrow grooves 112a, 112b are inward in the same direction as the magnetic plate passages 111a, mb ( That is, the rear end edge side of the magnetic plate 11A is extended to form a predetermined length L (in the present embodiment, L = 1 mm). The narrow grooves U2a and n2b are in the range of the predetermined length L described above, and the width D2 is The width D2 of a fine groove ii 2a, ii 2b is described in detail later. Further, at the front ends of the side edges of the board, a pair of protrusions 113 are respectively formed, and the magnetic arc-proof members are respectively engaged with the two supporting members by the inner side of the two magnetic members, as shown in Figs. 2 and 4, &# 冓 1 由 由 有 有 有 有 有 有 有 有 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从 从(Example, then, the arc-proof member 丄?, gas-filled resin) is formed into a W-shaped plate. The gas is released. The arc is exposed to the arc and the arc-proof property is divided into 1288941.

The pair of arc-proof passages 121a and 121b which are respectively passable through the contact blades 18a and 18b are formed at predetermined intervals on the front end edge of the arc-proof member 126 (the side on the side of the load-side casing 丨 4). The shape of the arc-proof member passages 121a, 121b is substantially the same as that of the magnetic plate passage 111a (see Fig. 2). Consistently, the innermost portions of the two arc-proof member passages 121a and 12bb are divided into deep grooves 122a and 122b. The deep grooves 122a, 122b extend inward in the same direction as the arc-proof member passages 121a, 121b (i.e., the rear of the arc-proof member 12A). The width of the deep grooves 122a, 122b is also smaller than the width of the arc-proof members / 1 2 1 a, 1 2 1 b.

Between the support members 130 and 130, the arc-proof member 12 is alternately stacked with the magnetic magnetic no. 'When the anti-arc device 1 is in a plane view direction of the arc-proof member 12 and the magnetic plate 110 (refer to Fig. 3) The positional relationship between the grooves 122a and 122b and the narrow grooves 112a and 112b is as follows. That is, as shown in Fig. 2, the entire narrow grooves n2a and 112b are located in the deep grooves l22a and i22b. As shown in Figs. 4 and 6, the arc-proof member passages 121a and i2ib = the opposite sides of the ice grooves 122a and 122b. On the rim, the wall member 123 protrudes from the inner surface of the electric arc member 12A (omitted in the second figure in the arc-proof member), [the inner surface of the wall member 123 forms a continuous plane ma. The wall structure m is precisely said The plane 123a of the (four) member 123 is open at a large current r: the current is brought into contact with the arc as the electric power for generating the electric isolation gas, and the two wall members 1288941 which are located at the outermost side in each of the wall members 123.

Between the outer edge of the arc-proof member 丨2 and the outer side of the arc-proof member 12, the spacer member 丨24 protrudes from the surface and the inside of the arc-proof member 1 2 〇. The spacer holding member 丨24, when the arc-proof member 12〇 between the supporting members U0 and 130 and the magnetic plate 11〇 are alternately disposed, the magnetic 丨Q interval is maintained by abutting against each of the magnetic plates 丨丨〇 for sure. The length of the inside of the electric power m偁仟丨z ^ of the holding member 丨2 4 is larger than the length of the inner surface of the arc-proof member 12A of the wall member 123. Therefore, the spacer member 丨24, when the support members 13, 130, and the arc-proof member 12 are alternately laminated with the magnetic plate 11 (), the wall: the surface of the arc-proof member 120 and the same After the individual contact 1 is inside, the surface of the wall member 123 and the anti-electrical member m and the same inner surface and the magnetic plate 11 are formed with a predetermined gap. Change + ϊ: ΪΓ 123 and the surface of the arc-proof member 120 and the same inside. The height from the surface of the arc member 120 and the inside of the arc member 120 of the spacer member 124 is set to the extent that the contact plate 110 is in contact. As shown in Fig. 3 and Fig. 6, when the spacer member 24 is alternately stacked with the magnetic plate U, the both sides of the arc prevention 1 (the left side and the right side in Fig. 6) are also used as Insulation barrier for each magnetic insulation. Further, in the case of interval production, it is configured to 'close the two sides of the arc-proof members, and form the opening gaps 3 (the surface of the arc-proof member 120 and the inside of the arc-proof member 120), and the holding member 1 2 4 and The surface of the arc-proof member i 2 Γ is β 125 125. In this case, the arc prevention member 12 is provided. Side of the side (relative to the anti-electricity

1288941 V. INSTRUCTIONS (17) The lengths of the roads 121a and 121b are bitten in an orthogonal direction.) An attempt is made to increase the creeping distance 0 as shown in Fig. 2, at the rear end of the side edges of the arc-proof member 120. Projections 127 are formed separately. The arc-proof member 1 20 is supported between the support portions 1 32 of the support member 130 such that the projections 1 27 are separated from both sides of the magnetic plate 1 1 〇. The creeping distance of the side portion of the arc-proof device 1 is ensured by the projection 1 2 7 '. Engaging projections 140 are formed on the front end sides of the both side edges of the arc-proof member 110. The protruding portion 1 27 and the engaging projection 1 4 〇 have their individual outer edges on the same plane. The two engaging portions 14A and 14'' are respectively engaged from the inner side of the supporting members 1 3 0 and the supporting members 1 3 0 of the arc-proof members. Further, the description will be made on the arc-proof member 120. The deep grooves 22a and 122b are opened to the rear of the arc-proof device 经由 via the gaps 122c and 122d. Further, on the rear end side of the wall member 123, thick portions 122g and 12 are formed. As shown in Fig. ,, in the upper and lower blocking faces 122, on the rear end side of the wall member 123, = thick wall portion 1 22 f ° the thick wall portion i 22 f toward the rear end of the arc preventing member J 2 The thickness of the side wall becomes small, and the main work λ ^ of the thick portion 1 2 2 f , the surface of the sub-soil and the upper and lower blocking surfaces 122 j are connected by the taper surface 1 2 2 e. By the eosinophilic, raw m ^ straw 3 structure, the same amount of consumption caused by the arc is treated, and the arc-proof decomposition gas can be smoothly discharged. Further, as shown in Fig. 2, the straw is greatly protruded from the rear end edge of the magnetic plate 110 by the upper and lower blocking faces 122 j by the μ, ^ ^ ^ ^ ^ ^, and the ringing technique ^ μ Φ zr ^ 1 π η The broken arc-proof decomposition gas smoothly guides the rear side of the arc-preventing device 1 ΛΑ π. When asked to avoid the return of the rolling body by the arc-proof property, the R of the magnetic plate 1 i The encirclement gas between β ^ ^ _ becomes an atmosphere (five) gas that is easily short-circuited. Further, the part that protrudes from the upper and lower blocking surface μ (four) 曲 1 2 2 J (the second

%修正正换% 1288941 Case No. 9212 状5, invention description (18) The range indicated by ε in the figure) is close to the rear of the arc prevention device ' in the absence of components to hinder the release of the arc-proof decomposition gas In the case where the rear end edge of the magnetic plate 110 reaches a hidden level, it may be omitted. That is, the rear end edge of the magnetic plate 110 has the same surface as the rear end edge of the upper and lower blocking surfaces 丨2 2··. The size of the fine groove is described by the width D2 of the thin grooves 11 2 a and 11 2 b in the magnetic plate 11 上述 described above. In order to determine the size of the width D2 of the thin grooves 112a and 11 2b, the magnetic plate is formed of a magnetic non-recorded steel material and a magnetic soft iron, and the width D2 of the narrow grooves 112a and 112b is changed to perform a small current (described later). The breaking current of the excitation current and charging current, the Japanese Industrial Standard 46〇5 criterion). The results are shown in Tables 1 and 2. The experimental conditions are the following types. That is, the experimental electrode is a rod electrode (fixed electrode 15). The movable electrode is made of a copper straight blade (contact blade 18a Mb) in a clamp contact type. The thickness of the contact blade and igb is 4 mm. For the anti- & arc-stop device, 7 magnetic plates and 8 anti-arc members 1 2 0 are superimposed on each other. The thickness of the magnetic plate 为 is i mm, and the height of the anti-arc member 120 is 6.5 mm. Incidentally, the load switch (3·6/7· 2κν) for high-voltage AC is required to have the ratings and performance as shown in Table 3 (in accordance with JIS 4 605 guidelines). For example, when the rated current is 60 Α (amperes), it is required to interrupt the load current 60 0 Α 20 0 times, and the excitation current 3 〇Α and the charging current 10 Α can be interrupted 10 times. X, in this embodiment, the load current is called large

23 2388941 V. Description of invention (19) Among the current, excitation current and charging current, a current exceeding 5 A and below 30 A is called a small current. Further, among the excitation current and the charging current, less than 5 A is called a micro current. From the experimental results shown in Table 1, in the case where the material of the magnetic plate 11 is magnetic stainless steel, the width D2 of the narrow grooves 11 2a and 11 2b is more than 0 and less than 1.5 mm. Further, if the width D2 of the thin grooves 1 i2a and 11 2b is 0·3 mm or less, the full experimental current range of the Japanese Industrial Standard (j丨s) (refer to Table 3). In other words, the arc can be restrained on the thin grooves 112a, 112b of the magnetic plate 丨i 。. The width D2 of the narrow grooves 112a and 112b is small, and the electromagnetic attraction force to the inside of the narrow grooves 11 2a and 11 2b is increased.仗 shows the results of the test in Table 1. When the material of the magnetic plate 1 1 为 is magnetic | soft iron, the width D2 of the narrow grooves 112a and 112b preferably exceeds 〇 and is less than 1.5 mm. If it exceeds this range, the electromagnetic attraction force generated in the narrow grooves 2a and 112b and inside the narrow grooves 112a and 112b cannot be sufficiently obtained, and it becomes difficult to attract and fix the arc inside the narrow grooves 112a and 112b. In other words, it is difficult for the arc in the full experimental current range of this industrial specification (J I S ) to be restrained by the thin grooves 11 2a and 11 2b of the magnetic plate 110. Although the width D 2 of the narrow grooves 11 2 a and 11 2 b is small, the electromagnetic attraction force to the inside of the thin grooves 2j 2 a and jj 2 b is made strong, but the wide groove D2 of the fine grooves 112 & ii2b When the thickness is 3 mm or less, it is difficult to form the narrow grooves 112a and 112b for the magnetic plate having a thickness of 丨 mm. Then, the operations 112a, 112b accompanying the current interruption are blocked. /, f,,, and price In the present embodiment, the magnetic plate 11 is formed of magnetic stainless steel

2188-5900-PF(Nl).ptd Page 24 1288941

V. INSTRUCTIONS (20) Compared with magnetic soft iron, magnetic stainless steel has better electromagnetic attraction, but has better corrosion resistance. Further, the width D2 of the narrow grooves 112a and 112b is 〇·5 mm. In the embodiment of the arc, the thin grooves U2a and U2b constitute a relay guide to be described later. Further, the narrow grooves 112a and n2b constitute a slit. The concave creeping distance increases the configuration. Further, the wind plate passages Ilia and 111b and the arc-proof member passage *^^b constitute the movable electrode passage portion α. The deep groove 122a, 122b and the magnetic plate of the arc-proof member 12 () of the movable electrode passing through the portion α ^ 。.柘 / λ and 1 2b constitute an arc induction portion β having a predetermined length. Magnetic, 14 inner slots 112a, 112b innermost flat portions 112c, /2d; ^ ΐΐ 22: = 12° deep grooves 1223, 1225 and the depth of the 3D arc restraint" - the interval is maintained The surface of the member lower arc member 120 (upper blocking surface) and the gap portion 5 opened at the rear side of the member.: : 1 冓 = power failure, in the device 100 set at 1 ° °, movable electricity (four): nine maps are not, in the prevention The arc r and the "eighth, the arc induction portion 々, the arc restraining portion" 乂; the gap portion 5 are arranged in series from the movable electrode 18 side. On both sides, the deep groove of the inner=arc member 120 of the narrow groove 122a, 122b of the predetermined wide plate 1j° is used for the case where the power is weak: that is, the electricity; := the arc 1 is the magnetic beam effectively for 112a, il2b, When the electric fox is induced into the fine groove 1 1 2 a, 1 1 9 h, and the arc is in contact with the arc-shaped member 12 of the arc-proof M U2b, the arc is suppressed. Anti-electricity

21S8〇900-PF(Nl).ptd Page 25 1288941

Description (21) " -------J Arc decomposition gas. Therefore, the inside of the fine grooves 112a and U2b is avoided.

^ For example, even for small current ranges, the electromagnetic force is weak (four) W

The internal pressure is made to increase the force. Therefore, the electromagnetic force of the arc is not hindered, and the arc smoothly travels to the arc restraining portion γ. [Effect of the embodiment] Next, the arc-preventing operation of the switch constructed as described above will be described. In the input state indicated by the solid line in Fig. 1, when the operation handle is opened, the lever 20 is rotated to the left via the rotary shaft 19. Rotation/侔 With this, the drive link 24 moves upward, and the movable electrode 18 is pivoted with the shaft 17 in the middle. When the movable electrode 18 is separated from the fixed electrode 15, an inter-reading between the electrodes 15 and 18, that is, between the fixed electrode 15 and the two contact blades 18a and 18b, respectively, generates an arc I° as shown in Fig. 9, around the arc column. By the presence of the magnetic plate ,, a magnetic flux distribution that is close to one side is generated. According to the right-handed screw rule and Fleming's left-hand rule, the arc I is continuously driven to the inside of the magnetic plate 1 10 (in the direction of the arrow in FIG. 9) by the electromagnetic force generated on the magnetic plate 11 ,, passing through the two magnetic plate paths. The innermost portions of 111a and 11 lb (see Fig. 2) are fixedly concentrated inside the thin grooves 112a and 112b. As shown in Fig. 2, in the arc-proof member passages 121a and 121b, all of the magnetic plate passages 11 1 a and 1 1 1 b are exposed, and the arc I is not disturbed by the arc-proof member 120, and smoothly It is driven to the inside of the magnetic plate 1 1 精确 (more precisely, the narrow grooves II 2 a, 11 2 b ). In the inner edge of the magnetic plate passages 111 a, 11 1 b facing each other, at least corresponding

2188-5900-PF(Nl).ptd Page 26 1288941 V. DESCRIPTION OF THE INVENTION (22) The movable electrode 18 on the passage of the magnetic plate passages 11 la, 11 lb (accurately speaking, the contact blades 18a, 1 The parts of 8b) are parallel to each other, and the intensity of the electromagnetic force generated between the parts becomes the same. Therefore, the arc I is stably driven to the inside of the magnetic plate passages 111a, 111b. The width D1 of the magnetic plate passages 111a and 111b is as small as possible in the range in which the contact blades 18a and 18b do not interfere during opening and closing, for example, the contact blades 18a and 18b are formed on the front end of the magnetic plate 11 The electromagnetic attraction force to the inside of the magnetic plate 110 is increased as compared with the case of one of the notch portions. The smaller the width D1 of the magnetic plate passages 11 la, 11 lb, the greater the strength of the electromagnetic attraction. That is, the width of the notch portion can be made to pass through the two contact blades 18a, 18b, and the width D1 of the magnetic plate passages 111a, 111b can pass through the contact edges 18a, 18b, respectively. Therefore, an attempt is made to increase the electromagnetic attractive force. It is effective when the small current of 5' 5 A is open. Further, since the width D2 of the narrow grooves 112a and 112b is smaller than the width D1 of the magnetic plate passages 11 la and 11 lb, electromagnetic attraction forces stronger than the magnetic plate passages 111 a and 111 b are generated in the narrow grooves 11 2a and 11 2b. Therefore, for example, when a small current such as a magnetizing current or a charging current is opened, the arc time is increased, and the force generated in the thin grooves 112a and 112b constituting the magnetic plate passages 111a and 111b and the arc inducing portion is generated. The electromagnetic force, the excitation current arc, and the charging current arc are attracted to the deep portions of the thin grooves 11 2a and 11 2b. Then, it is fixed (constrained) by the arc restraining portion γ located deep in the thin grooves 11 2 a and 11 2 b to protect the arc region. Incidentally, in the case where the fine grooves 112a and 112b are not formed, the solid current control such as the excitation current arc and the charging current arc cannot be performed.

1288941

V. Description of invention (23) 1. That is, 'the electromagnetic attraction force that drives the arc I to the magnetic plate path Η" is weak due to insufficient energy, and the arc is increased as the arc-proof decomposition gas pressure in the magnetic plate passages j la and lUb increases. Press back toward the end side of the magnetic ^' 111 b. Therefore, an electrical interruption operation cannot be obtained. When the I muscle is stabilized, the arc 1 is divided by the respective magnetic plates 110 while being concentrated to the deepest portions of the narrow grooves 112a and 112b. The anode, the 5 - I 2 f cold portion, etc. effectively make $, and the arc voltage rises sharply. Arc near the arc restraining portion 7 in the private gentleman magnetic plates 1 to 10.

II. The arc 1 is in contact with the upper surface (surface) and the lower surface of the arc-proof structure surface 122j in the moving direction of the member 120 by the magnetic plate 11 G and the arc-proof member 1 2 G. The inside is driven from the depth of the lightning protection plate. At this time, by the arc heat, the upper and lower blocking surfaces 122 of the arc-proof member 120 are stopped. Especially when the large current exceeding _ is open, there is; The high-current arc is generated by the electromagnetic, 罙, 2μ! arc 1 series of the magnetic plates 1 1 0 of the energy level i + m ju , ^ m L , and the large to the arcs u2a, n2b The rear side of the member 120 is driven. In addition, the disk micro-electricity and the small-current arc (4) are also caused by the anti-corrosion of the upper and lower sides of the self-anti-corrosion member 120. The amount of gas generated is also ensured by the filling. Further, the formation of the wall member 123 located at the arc inducers 122a, 122b also generates an arc-dissolving gas for the arc-sinking arc-proofing

2188-5900-PF(Nl).ptd Page 28 1288941

V. Description of invention (24) Contribution. The arc member 120 is formed of a fluorine-containing element containing a negative atom: a resin (in the present embodiment, PFA), and in the arc, J = a gas atom of a negative atom. By the gas atom absorption, the arc prevention performance (current interruption performance) is improved. Further, the contact blades 18a, 18b are exposed to the arc by the inner faces of the arc-inducing member passages 121a, 121b of the arc-proof member passages 121a, 12. The arc-decomposing gas is generated from the inner surface of the arc-proof member passages 121a and 121b by the arc heat, and the arc-proof decomposition gas promotes the prevention of the arc. In particular, it works effectively when a small current is opened. That is, the micro current arc energy is extremely small compared to the high current arc, and the magnetic properties of the respective magnetic plates 110 are also weak. Therefore, the arc is not driven to the depth of the narrow grooves 112a, 112b. In such a case, the amount of generation of the arc-proof decomposition gas from the upper and lower surfaces of the arc-proof member 1^0 is lower than that of the large-voltage w. However, when the minute current is opened, the heat generation of the arc-proof decomposition gas is lowered, and the arc-proof decomposition gas generated by the inner surfaces of the arc-proof member passages 1 2 1 a and 1 2 lb located near the small current arc point is replenished. Further, 'the electric anti-segregation gas generated from the inner surfaces of the electric fox member passages 121 & and 21b is stagnate in the deep grooves 122a and 11b of the arc-proof member 12', so that the arc resistance in the deep grooves 122a and 122b The pressure rise of the decomposition gas promotes the prevention of the arc by contacting the arc I with the arc-proof decomposition gas of the elevated pressure. For example, in the case where the arc time at the time of opening a small current such as a magnetizing current or a charging current becomes long, it acts effectively. Excitation current arc and

Page 29 21SSo900-PF(Nl).ptd 1288941 V. Description of the Invention (25) The charging current arc is induced to the depth of the thin grooves 112a and 112b by the strong electromagnetic force of the narrow grooves n 2a and n2b. That is, when the normal load current is approximately the same period as the voltage waveform and the current is 0 A, the voltage also becomes 〇. Therefore, occlusion is easy. However, since the excitation current is 90 degrees later than the current phase, the charge current is 9 degrees ahead of the current phase, and the voltage is peak when the current is 0A. It is difficult to block. In the deep grooves 122a and 122b of the arc-proof member 12A, the arc-proof decomposition gas which is increased in pressure is in contact with the excitation current arc and the charging current arc, and the arc is prevented even if the voltage is a peak and the current is zero. Further, the width of the arc-proof member passages 121a, 121b is extremely narrow, and the inner faces of the arc-proof member passages 丨2丨a, 丨2丨b (i.e., the plane 12 3a ) are respectively close to the two of the contact blades 18a, 18b. side. Therefore, the slit effect is obtained by sequentially passing the two contact blades 18a and 18b through the respective arc-proof member passages 121a and 121b. That is, the arc! When the plane 123a constituting the arc-proof member passages 121a and 121b is closed, the density is high. This is to prevent the arc from being prevented by the slit effect. In the field of the minute current, the T 110 and the arc-proof member 120 are alternately arranged at a predetermined interval of the movable electrode 18, and the carbide between the inner faces of the respective arc-proof members is prevented from continuously adhering. Therefore, the surface of the arc-proof member does not form a continuous carbonized surface, and deterioration of the arc-proof performance is suppressed. Further, the surface of the arc-proof member 120 and the inside thereof are respectively formed with recesses 125 to ensure a creeping distance toward the side of the arc-proof member 120. In addition, in defense

1288941 V. INSTRUCTION DESCRIPTION (26) The side portion of the arc member 120 forms a projection 27. Therefore, the arc I is suppressed from being turned toward the side edges of the respective magnetic plates 110, and the occurrence of the arc I between the both sides of the respective magnetic plates is prevented. ° The arc-proof decomposition gas generated in the arc-proof member passages a 21 a, 1 21 b is guided into the plane 123a and is led out toward the rear of the arc-proof member 12A. Especially when a large current is opened, the current is accompanied. The arc-producing decomposition gas system mainly flows toward the rear of the magnetic plate i丨〇 and the arc-proof member 丨2 。. By the arc-proof decomposition gas, the arc ί is blown toward the rear of the magnetic plate 110 and the arc-proof member 120, and the arc J is more diluted. In other words, the arc is prevented from being blown by the arc-proof decomposition gas flowing toward the rear of the magnetic plate 110 and the arc-proof member 12A. Further, the outer surface of the wall member 123 & (the opposite surface of the plane 1 23a) serves as the back surface of the arc generating portion, and is contained in the metal vapor or the like including the arcing decomposition gas. Therefore, the stained surface of the j is not formed, and the creeping distance between the respective magnetic plates is ensured. As shown in the front of Fig. 8a, the arc-proof decomposition gas which can be guided to the arc-proof member 丨2 〇 is guided to the rear of the arc-preventing prevention device 100 via the gap s (see Fig. 6) of the large opening. Further, the arc-proof decomposition gas does not stay, and is introduced into the same atmosphere = air (air) after the arc-proof member 12 is pulled. As a result, the insulation resistance of the surrounding air becomes higher after the depths a, l, 22b of the arc-proof member 12 而, which contributes to preventing the -Arc more it ## from the newly introduced atmosphere (air), cooling the magnetic plate 11 0 and promote the prevention of arcing. Once the gas is protected against electric arc and free elemental carbon, it is the reason why the arc-arc decomposition gas contains metal vaporization, but by

Case No. 92129238_ 1288941

V. Description of invention (27) — 1 — — — — J — ^ ^ ^ ^ ^ ^ 1 1 〇 7f; t # #! 2 〇„ ί: = The arc is again lit. When the movable electrode 18 moves to the 1st = ^When the position is open, the arc is completely prevented, and when the road is closed, the action at the time of the above opening is reversed. The effect of the first consistent shape is in the innermost part of the magnetic plate passages 11la and 1Ub. When the circuit is open, the production 2 2: f1』ί: between the moving electrodes 18 is provided with an arc induction part, and the restraint η = ΐ The arc beam opening P r at the deepest point of the arc protection device 100 is prevented. Specifically, in the magnetic plate passage 111 & = the narrow groove core formed by the cutting, 112b; that is, the heart = the arc system is rapidly induced to contact the contact gas of the arc-proof decomposition gas, and can be prevented. In other words, the large current range and the 犯; 犯 :: 断 断 performance (1) S46 50 criterion) can be ensured. ... have made sure. Specifically, the creeping distance of the electric-shielded surface distance increases the framing portion, and the concave portion 125, the inner portion, and the space-retaining member are formed by the opposing sides 124 of the vy electric member passages 121a and 121b. That is, it is confirmed that the creeping surface of the side surface of the arc shield member 120 ensures the creeping distance between the respective magnetic sheets 110. 2188-5900-PFl(Nl).ptc Page 32 1288941

=) At the same time as the deep grooves 1223 and 122b of the HU degree at the deepest portion of the arc-proof member passages 121a and 121b, the deep groove is placed inside the core member 12°. Therefore, the arc-proof decomposition gas system generated by the arc-proof member and the electrical contact is led out through the rear side of the arc-proof and anti-gas two-arc device. At this time, the "square arc fraction is guided by the plane 123" smoothly guides the arc-proof member 12 (^) the arc-proof member 丨2〇 is provided to maintain the arrangement interval between the magnetic plates, and to maintain The member 124. Further, at the opposite side edge portions of the arc-proof member passage 12ia, the surface of the wall member 丨23 and the arc-proof member 12A formed by the arc-proof member passages ΐ2ι&, MW$, and The recessed portion 1 2 5 formed by the holding member 1 2 4 ensures the multi-faceted/face-to-face distance of the arc-proof member 丨20. Then, the wall member 1 2 3 and the arc-proof member 1 2 0 and the inside do not respectively The degree of contact of the magnetic plate 11 with the cymbal is set to be determined from the surface of the arc-proof member of the spacer member 124, and the surface distance between the magnetic plates 11 突出 which protrudes from the inside of the holding member 124, respectively, becomes (5) The side edge portion of the arc-proof member 120 is provided with the protruding portion 127. Therefore, the occurrence of arcing between the side edge portions of the respective magnetic plate turns can be suppressed. (6) The width of the thin grooves 112a, 112b exceeds 0 and At 1·5 mm to 曰° = this, the electromagnetic attraction to the depth of the magnetic plate 1 10 is ensured, = 1,, so that an arc current range I, also ensures that the fine grooves 112a, n2b. Consistently applied to a first aspect

2188-5900-F^(Ni) ptd Page 33 1288941

Next, the second embodiment of the present invention will be described based on the first to third figures. As shown in Figs. 10 and 11, the arc preventing device 30 is provided at the inner end of the power supply measuring sleeve 13. The arc preventing device 30 is a plurality of thin plate-shaped magnetic plates 40 formed of a magnetic material and a plurality of arc-proof members 5A formed of a synthetic resin material having insulating properties and arc-proof properties, in the moving direction of the movable electrode ^ Prepared by interaction at regular intervals. Magnetic plate As shown in Fig. 12, the magnetic plate 4 is formed of a magnetic material such as steel to form a w-shaped plate. In the present embodiment, the magnetic plate 4 has a thickness d1 of 1 mm. The front end edge of the magnetic plate 40 (the side edge on the side of the load side bushing 14) is formed as a pair of magnetic plate passages 4 la and 41b which are respectively passable through the contact blades 18a and 18b. As shown in Fig. 13, at the opposite inner edges of the magnetic plate passages 41&, 41b, at least the portions corresponding to the contact edges 18a, 18b passing through the magnetic plate passages 4a, 4b, respectively, are parallel to each other. Forming a magnetic plate passage, 41b. The width D1 of the magnetic plate passages 41a, 41b is preferably extremely narrow from the viewpoint of an increase in electromagnetic attraction force generated in the magnetic plate 4A, which is the thickness (4 mm) of the contact blades 18a, 18b in this embodiment. A little wider 8 mm. Further, in the innermost portions of the two magnetic plate passages 41a and 41b, slits 42a and 42b as slits are respectively formed. The width D2 (see Fig. 13) of the narrow grooves 42a and 42b is smaller than the width D1 of the magnetic plate passages 41a and 41b, and extends inward in the same direction as the magnetic plate passages 11la and 11b. The width of the width of the narrow groove 42 & 42 匕 width D2 is 〇 · 5 mm ~ 2 〇 mm, the most 1288891 five, the invention description (30) is preferably in the range of 0.8 mm ~ 18 mm, the most appropriate range It is 〇 8 mAh ~ i 2, m. In the present embodiment, the width D2 of the narrow grooves 42a and 42b is i 宅 house rice. If it exceeds this range, the electromagnetic attraction force generated in the deep grooves 42a and 42b deep in the narrow grooves 42a and 42b cannot be sufficiently attracted and fixed in the depths of the narrow grooves 42a and 42b. The assembly accuracy of the "two lower" magnetic plates 40 that are not in the range is strictly required to prevent the stacking work from being degraded. The insertion holes are formed at the four corners of the magnetic plate 40. ^ The rear end of the magnetic plate 40, A notch portion 45 is formed between the two insertion holes 44. In the embodiment, the narrow grooves 42a and 42b constitute a current restraining portion. Λ The arc-proof member is as shown in Fig. 12, and the arc-proof member 5 is made of insulation and arc. The synthetic synthetic resin material (for example, a tetrafluoroethylene copolymer (F) resin) is formed into a W-shaped thick plate. Then, # is generated by contact with an arc to generate a decomposition gas. In the present embodiment, the arc-proof member 5 The front/side of the arc-proof member 50 (the side of the load-side sleeve 14 side) ^ ^ ^ # ^ ^ 18a ^ 18b ^ # ^ . a 1 b is formed at a predetermined interval. The arc-proof member passages 5a, 51b are substantially identical in shape to the magnetic plate passages 4U, 41b, and are widened to be slightly smaller than the magnetic plate passages 4 1 a, 41 b. 1 in the two arc-proof member passages 51a , the innermost groove of 51b, 52b forms the lateral grooves 53a, 53be, in other words, in the passages 51a, 51b The middle portion is provided with narrow w, w of the narrow portion configured to suppress movement

2188-590〇.f^(Nl).ptd Page 35 1288941 V. INSTRUCTION DESCRIPTION (31) Ξ: Side = suppresses the above-mentioned arc-proof decomposition gas to the arc-proof member 5. The width ratio of the arc-proof member Γο κ % is set to 2 · 5 milli# 〇 soldering =, 53b is formed in the direction of extension of the communication grooves 52a, 52b; shape. The communication grooves 52a and 52b communicate in the vicinity of the center of the diaphragms 53a and 5b. Two 糌^ 53b arc-decomposed gas retention chambers. #成电电热热产生的安全 In each of ί SI 2 = ί : the four sides of the two sides 5 respectively form a projection 54 ′ to make the magnetic plate 4. And the anti-arc structure: two 5: the function of the partition 5 is used as a partition. The state in which the adjacent arc-proof member core 5 is dipped by the movable electrode 18 is set in a state where the protrusion height of each of the protrusions 54 of the magnetic plate 4 + + γ γ 包 仵 U U U U U U U U U = = = = = = = = = = = In the moving direction, the arrangement interval d3 of 3 mm and 5G in the moving direction is set to a value (in the present fixed structure two arcs: the upper electrode P of the set member Μ is provided on the support member 60 to prevent the arc device 30 from being provided with a protruding protrusion - For the fixed member, the dead surface of the fixed part is defined as: := two: fixed =: the upper end of the 61 = the = hole = 5 〇 of the through hole 55 mutual:: f through hole 44 and the arc-proof member Next 'from the arc prevention device 3〇2188-5900-PF(Nl).ptd im page 361288941 V. Invention description (32)) Angle: Tight: = Edge, fixing bolt 63 (Refer to Figure 12 for support The upper surface of the member 60. In this case, the action of preventing the arc device 30 from being fixed to the cooperating form is explained by the door & 4σ &amp of the above-mentioned operating handle for the arc preventing device of the switch constructed as described above. ^ 1 When the electrode 15 is separated, the two electrodes are separated from each other, and the movable electrode 18 is separated from the fixed contact blades 18a and 18b by two U. The fixed electrode 15 and the two connected to the magnetic plate 40;::^=arc: around the !arc, the magnetic flux distribution of the sin side is generated by m ^ ^ ii » - according to the right hand' and the left hand rule of the Fleming The electromagnetic arc generated from the magnetic plate 40 is continuously driven to the innermost portion of the magnetic plate 4, = 2 "refer to Fig. 12", and is fixedly concentrated inside the grooves 42a, 42b. In the inner edge of the magnetic plate passages 41a, 41b facing each other, at least the portions of the movable electrode "(strictly speaking, the contact blades 18a, 18b) passing through the magnetic plate passages 41a, 41b are parallel to each other" The intensity of the electromagnetic force generated between the portions becomes the same. The arc is stably driven to the inside of the magnetic plate passages 4 1 a and 41 b due to & the width D1 of the magnetic plate passages 41a and 41b is due to opening and closing. The contact between the contact blades 18a and 18b is as small as possible, for example, the electromagnetic attraction of the inside of the magnetic plate 40 is compared with the case where the contact blades 18&, '18b are formed in one notch portion formed at the front end edge of the magnetic plate 40. Increase. The smaller the width D1 of the magnetic plate through @路41a, 41b' the intensity of the electromagnetic attraction is ^ 2, ie, 2188-5900-PF(M).ptd第37页

1288941 V. Inventive Note (33) For the width of the notch, two contact blades 18&, igb can be passed through, and the width D1 of the magnetic plate passages 4 1 a, 4 1 b can pass through a contact blade of one piece. 18a, 18b. Therefore 'try to increase the electromagnetic attraction. In particular, it is effective when a small current of 5A is opened. Further, the width D2 of the narrow grooves 42a and 42b is smaller than the width D1 of the magnetic plate passages 41a and 41b. The electromagnetic attraction force is stronger in the narrow grooves 42a and 42b than the magnetic plate passages 41a and 41b. Therefore, for example, when a small current such as a magnetizing current or a charging current is opened, the arc time is longer, and the exciting current arc and the charging current arc are attracted and fixed by the strong electromagnetic force generated on the narrow grooves 4 2a and 42 2b, respectively. The deep portions of the narrow grooves 42a, 42b form electric two regions at the = of the thin grooves 42a, 42b. Incidentally, in the state in which the narrow grooves 42a and 4 are not formed, arc control such as excitation current arc and charging current arc cannot be performed. The deepest part is fixed. The anode and cathode are raised. The arc is stabilized at the edge of the center of the edge of the member 50. The arc-proof member 5 is alternately disposed. At this time, the gas arc is decomposed by the electric arc prevention. Especially in the electromagnetic of the magnetic plate 40,

Thus, while the arc is concentrated in the state of being concentrated to the narrow grooves 42a and 42b, the magnetic plates 40 are separated and the cold portion is effectively acted upon, and the arc voltage is rushed to the deepest and deepest portions of the fine ridges 42a and 42b in the magnetic plate 40. On the one hand, the arc is in contact with the surface and the lower surface by the magnetic plate 4 and the arc-proof movable electrode 18, and the heat is driven to the depth of the magnetic plate 40, and the upper and lower portions of the arc-proof member 50 are generated. The body is effective in preventing the large current of 30A from being opened by the 11-square arc decomposition gas. That is, a large current arc is generated by each of the large energy

1288941

V. INSTRUCTION OF THE INVENTION (34): ί Γ: Therefore, the arc is driven to the depth of the narrow grooves 42a and 42b, and the rear side is driven to actively contact the surface and the lower surface. Further, since the small current arc and the small electric power t have a large amount of heat generated, the amount of the arc-proof decomposition gas generated from the arc-proof structure and the following is also sufficiently ensured. Further, the upper contact blades 18a, 18b are exposed to the electric arc heat through the inner surfaces of the arc-proof members through the arc member passages 51a, 51b, and are generated from the inner faces of the arc-proof member passages 51a, 51b by the arc-proof decomposition gas. Promote the prevention of arcing. The second 有效 effectively acts when the small current is open. In particular, compared with the high current arc, the micro current arc energy is not, and the magnetic force generated in each magnetic plate 40 is also weak: = 2: r. In such a case, the generation of the gas of ==== is lower than the heat of the large current, and the arc is prevented from being generated near the lightning protection point of the hair 51a, 51b located on the hair 51a, 51b of the micro-electricity; The component path χ ^ . The raw arc-proof decomposition gas supplement. The area is removed: the arc is; the head' is from the inner side of the lateral grooves 53a, 53b. The second part: the end of the f-channel... (10) (hereinafter referred to as the end wall) is also produced in the communication grooves 52a, 52b' to promote arcing. = sex = gas: ΪΠΐ: ί; ^ strong electromagnetic force, excitation current arc and

2188-5900-PF(Nl), ptd Page 39 1288941

The charging current arc is attracted to the depth of the narrow grooves 42a, 42b. The movement of the arc-proof decomposition gas generated from the end wall to the opening side (the opposite side of the inner side) of the arc-proof member 50 is made by the width of the communication groove 52&amp;, 5 Torr, and the width of the arc-proof member passages 51a, 51b. Wl is narrow and restrained. That is, the arc-proof decomposition gas in the lateral grooves 53a and 53b is generated from the lateral grooves 53a and 53b. Therefore, the arc-proof decomposition gas stored in the lateral grooves 53a and 5 is stored in the lateral grooves 53a and 5, whereby the arc-proof decomposition gas pressure in the lateral grooves 53a and 5 is increased. #Protect the arc prevention by contacting the electric fox decomposition gas which raises the pressure with the arc. Especially when the excitation current and charging current are open. That is, the normal load current is approximately the same period as the current waveform and the voltage waveform, and the current also becomes 〇 at the current of 0A. Therefore, occlusion is easy. However, since the excitation current is 9 degrees later than the current phase, the charging current is 9 degrees ahead of the current phase and the voltage is peaked at the current 0A, and the interruption is difficult. In the lateral grooves..., (10), the arc-proof decomposition gas that raises the pressure is brought into contact with the excitation current arc, and the current is a peak, and the current is a defect, and the arc is prevented from further, and the arc is prevented. The member passages 51a and the claws are extremely narrow in width, and the inner faces of the arc-proof member passages 51a and 51b are respectively close to the both side faces of the contact blades 18a and 18b. Further, the thickness d1 of the magnetic plate 4'&lt;the arrangement interval d3 of the arc-proof member member 50<the thickness d2 of the arc-proof member is such that the thickness d2 of the arc-proof member 50 is equal to or greater than a predetermined value (see Fig. 12). Therefore, the two contact blades 18a, 18b sequentially pass through the respective arc-proof member passages 51a, 51,

2188-5900-PF(Nl).ptd Page 40 1288941 V. Invention Description (36) The effect is fine. In other words, the arc is locked between the arc-proof member passages 5 1 a and 5b to have a high density, which is to promote the prevention of arcing by the fine particles. Further, the magnetic plate 40 and the arc-proof member 50 are alternately arranged at a predetermined interval in the moving direction of the movable electrode 18, and the inner faces of the respective arc-proof members (the inner faces of the arc-proof member passages 51a, 51b, the communication grooves) are prevented. The inner surfaces of a, 52b and the inner surfaces of the grooves 53a and 53b are continuously adhered to each other. Therefore, the inner surface of the arc-proof member 12 2 does not form a continuous carbonized surface, and the arc performance is deteriorated. The gap of the arc-proof member 5〇 is transverse to the entire circumference thereof: the opening of the arc-proof member is generated by the arc-proof member in the arc member passages 51a and 51b, and can be derived from the outside. :: The decomposition gas system mainly faces the magnetic plate 40 and the anti-arc structure. By the arc-proof decomposition gas, the arc is blown toward the magnetic field. The arc is more densely arced. The anti-arcing of the magnetic plate 40 and the arc-proof member at the rear of 5° exerts two lightnings: a!! The effect of arc blow-off* * Prevention of arcing. - ί : 辛碳: 二Ϊ: Arc-proof decomposition gas contains metal Vapor and recreational decomposition gas Ground =; =; Because ', is prevented from arcing, and the arc is prevented from re-arcing. The opening of the arc-proof member 5〇 is indicated by the two-point lock line: the second can be: 18 moves to the first picture to end Closed circuit ± , ^ Arc element is prevented from being completely removed, open circuit action, and beam closed circuit is reversed when the above open circuit is performed. 2188-5900-PF(Nl).ptd $ 41 Page 1288941 V. Description of invention (37) EFFECTS OF THE SECOND EMBODIMENT (1) The magnetic plate 4A having the magnetic plate passages 41a and 41b and the arc member 5'' having the arc-proof member passages 51a' to 51b interact at a predetermined interval in the moving direction of the movable electrode 18. Then, when the circuit is opened, the movable electrode 18 separated from the fixed electrode 15 sequentially passes through the magnetic plate passages 41 &amp; 41b and the arc-proof member passages 51a and 51b. Therefore, the arc contacts the upper and lower surfaces of the arc-proof member 50, Further, it is driven to the depth of the magnetic plate 4A. At this time, the arc-proof decomposition gas is generated from the upper surface and the lower surface of the arc-proof member 50 by the arc heat, and the arc-proof decomposition gas promotes the prevention of the arc. Arc protection performance. (2) The magnetic plates 4 and the arc-proof members 5 are alternately arranged at a predetermined interval in the moving direction of the movable electrodes, and the inner faces of the arc-proof members 50 are prevented (the inner faces of the arc-proof member passages 51a, 51b, the communication grooves 5ja) The inner surface of the 52b and the inner surface of the grooves 53a and 53b are continuously attached. Therefore, the inner surface of the arc-proof member 120 does not form a continuous carbonized surface, and the deterioration of the arc-proof performance is suppressed. Even the arc-proof performance can be maintained. (3) Similarly, by the magnetic plate 4〇 and the arc-proof member 5〇 being alternately arranged in the moving direction of the movable electrode u in a moving direction, the arc-proof decomposition generated in the green plate a 51b is prevented. The gas can be exported to the outside. In particular, when a large current is opened, the arc is generated by the arc, and the arc-proof decomposition gas mainly flows toward the rear of the magnetic plate 4 and the arc-proof member 50. By means of the P-party arcing knife gas, the arc is directed toward the magnetic plate 4 and the arc-proof member 5:

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Page 42 1288941

The square blows away and the arc is diluted more. The flowing arc-proof decomposition gas blows off the arc. (4) In the deepest portion of the arc-proof member passages 51a and 5 ib, the arc-shaped decomposition gas retains the lateral grooves 53a and 53b. Therefore, the arc-preventing gas which forms the prevention is retained in the lateral grooves 53a and 53b, and the arc of the arc is generated, and the pressure of the arc-proof decomposition gas in the 5 3a and 5 3b is increased. 9 ^, the trough high arc-proof decomposition gas contacts the arc to promote the performance of the anti-arc. The prevention of the arc, (5) the thickness of the magnetic plate 40 is dl, the d2 of the arc-proof member 5A, and the arrangement interval of the arc-proof member 50 is (10), the magnetic plate 40 and the arc-proof member are formed by the arrangement. 5〇.gp, the arc-proof member 5" has a thickness d2 that is equal to or greater than a certain value, and a plurality of arc-proof members are disposed at predetermined intervals. Therefore, the slitting effect is obtained by sequentially passing the two contact blades 8a, j 8b and the respective arc-proof member passages 51a and 51b. Then, it can be used to prevent arcing of a small current with a small driving force compared with a large current arc and a small current arc. That is, the arc protection performance is improved. (6) The width D1 of the magnetic plate passages 4a, 41b is as small as possible within the range in which the contact blades 18a, 18b do not interfere during opening and closing, for example, the contact blades 18a, 18b are formed on the magnetic plate 4 In the case of one of the notch portions of the front end edge, the electromagnetic attraction force to the inside of the magnetic plate 40 is increased. (7) The width D2 of the thin grooves 42a and 42b formed in the deepest portions of the magnetic plate passages 41a and 41b is smaller than the width D1 of the magnetic plate passages 41a and 41b. Therefore, the fine grooves 4 2 a, 4 2 b are produced in comparison with the magnetic plate passages 41 a, 41 b

2188-5900-PF(Nl).ptd Page 43 1288941 V. Inventions (39) &quot;&quot; Strong electromagnetic attraction. For example, when a small current such as a magnetizing current or a charging current is opened, the arc time is increased, and the exciting current is generated by the strong electromagnetic force generated on the thin grooves 42 &amp; 42b, and the exciting current arc and the charging current arc are attracted and fixed to the thin groove. The depths of 42a, 42b. (8) A notch portion 45 is formed at the rear end edge of the magnetic plate 4''. In a state where the magnetic plate 4 组合 is combined with the arc-proof member 50, the notch portion 45 is located at a more inner position than the rear end edge of the arc-proof member 5A. Therefore, the arc can be prevented from being removed from the rear end edge of each of the magnetic plates 40. (9) The movable electrode 18 is a double blade type composed of two contact blades iga and igb. Therefore, for example, the width of the magnetic plate passages 41a, 41b is made narrower than the case where the rod electrodes are used. Even, the electromagnetic force generated by the arc also becomes large. (10) at the inner edge of the magnetic plate passages 41a, 41b facing each other, at least corresponding to the portions of the movable electrode 18 passing through the magnetic plate passages 41a, 41b being parallel to each other The strength of the electromagnetic force between them becomes the same. Therefore, the arc is stably driven to the inside of the magnetic plate passages 4a, 4b. Therefore, the arc prevention performance of the arc preventing device 30 can be improved. (11) Thin grooves 42a and 42b which are narrower than the width of the magnetic plate passages 41a and 41b are formed at the deepest portions of the magnetic plate passages 41a and 41b, and the width D2 of the narrow grooves 42a and 42b is set at 〇·5~ Within 2 mm range. Therefore, the electromagnetic attraction force generated in the narrow grooves 42a and 42b and deep into the thin grooves 42a and 42b is sufficiently obtained. Therefore, the arc can be prevented from returning to the opening side of the magnetic plate 4''. (1 2) By setting the narrow path in the middle of the arc-proof member passages 5 j &amp;

2188-5900-PF(Nl).ptd 1288941 V. Description of Invention (40) ------ The portion w forms the communication grooves 52a and 52b. Since the communication grooves 52a and 52b W2 are narrower than the width π of the arc-proof member passages 51a and 51b, the arc-proof decomposition gas remaining in the lateral grooves 53a and 53b returns to the 卩= port side of the arc-proof member 5〇. Therefore, the arc-proof decomposition gas (that is, the two arc-decomposing gas retained in the lateral grooves 533 and 53b) which is inside the narrow portion w of the arc-proof member passages 5a, 5b, is present to the arc-proof member 5 The movement of the opening side (the opposite side of the inner side) is suppressed. Then, the arc-proof decomposition gas is retained inside the narrow portion W of the arc-proof member passages 51a and 51b, and the arc-proof decomposition gas pressure on the inside is increased. Therefore, the arc prevention performance of the arc preventing device 3 can be improved. In addition, in the second embodiment, the first and second embodiments may be modified as follows. In the second embodiment, the notch portion 45 is formed on the rear end edge of the magnetic plate 4''. The arc is prevented from moving between the rear end edges of the respective magnetic plates 4, but it may be as described below. That is, the notch portion 45 of the magnetic plate 4A is not formed, and at the rear end edge of the arc-proof member 5''', a rear end projecting portion (not shown) that protrudes outward from the rear end edge of the magnetic plate 4'b is formed. This also prevents the arc from being removed between the rear end edges of the respective magnetic plates 4A. In the second embodiment, the notch portion (not shown) of the notch portion 45 may be formed on both side edges of the magnetic plate 4''. Alternatively, a side edge projecting portion (not shown) that protrudes outward on both side edges of the magnetic plate 4''''''''''''' Thus, the arc does not return to the side of the magnetic plate 40, and the arc can be prevented from being removed from the two of the magnetic plates 4

1288941

Between the side edges. Between the two sides of the edge of the 40 when it cannot be interrupted. It is also possible to prevent the arc from being removed from the respective magnetic plates in the first embodiment described above, such as a piece 50 performing partial excavation to remove unnecessary portions:;::&quot; the square arc member 50 mainly constitutes the arc-proof member passage 51. 』通: The arc members 52a, 52b and the wall members of the lateral grooves 53a, 53b? 〇a and the shape k are structured by the reinforcing wall 7〇b on the outer side of the groove 70a. The thickness d2 is uniform in different occasions! With the arc-proof member $ into the arc-proof member 5 This can reduce the material cost of the arc-proof member 5〇. It is possible to reduce the cost of the product of the arc prevention device 30. X, the wall 70a is in contact with the high current arc when the large current is opened, and serves as an arc contact member which functions to generate an arc-proof decomposition gas. The reinforcing 70b is a magnetic inter-board insulating member 0 having a function of ensuring insulation between the magnetic plates 40 disposed at the upper and lower intervals in the upper portion shown in Fig. 14, in the second embodiment, preventing arcing Although the device 30 is used in a double-edged type of switch, it can be used in a double-blade type or a single-blade type of switch. That is, as shown in Fig. 15, the pair of movable electrodes 713, 74 are protruded in opposite directions by the rotary insulator 2 rotating around the shaft 71 by the operation of the externally operable switching link mechanism. Assume. The movable electrodes 73, 74 are composed of individual two contact blades or a single contact blade. As described above, in the rotor type switch, the same effects as the effects (1) to (丨2) in the second embodiment can be obtained. Further, in the second embodiment described above, as shown in Fig. 6, the prevention of electricity

2188-590〇.PF(Nl).ptd

1288941 V. INSTRUCTION DESCRIPTION (42) The arc device 30 is used for leaving the movable electrode 75 by a ΪΠ-type switch. In this case, since the contact blades of Τ 2 are omitted in the figure, the magnetic plate passages are each one. Further, the solid-state and anti-arc member passages form an early _ U疋 electrode (omitted from the figure). For example, a pair of fixed contact 1 ancient interlayers can be sandwiched between the two contacts. The contact edge i D Η can be sandwiched between the two contacts. The mouth is too small, and the mouth is obtained from the early knife type switch. In the second embodiment, as shown in FIG. 17, the switch can be inserted and removed in the direction of the cross-phase. In this case, the arc preventing device 3 is disposed such that the arrangement direction of the magnetic element 3 and the arc-proof member 5A is in the same phase direction. Further, the conductor 77 of &lt;:f is fixed at The inner end portion of the load side bushing 14 is fixed to the front end portion of the conductor 77 by a movable base portion. Further, the base portion of the electric motor f 78 is coupled to the rotating shaft 8 through the insulating link 79.匕 'With the rotation of the rotating shaft 80, the movable electrode 78 is moved in the same direction, so that The type of the movable electrode is inserted and removed in the same direction and the second embodiment is related to the effects (1) to (12) of the second embodiment. The arc prevention is related to the first and second embodiments. (10)) The gas 2 is an arc-proof medium. In the second embodiment, the arc-proof member 5 may be made of a resin containing a human element (high electronegativity) as a material. In the embodiment, although the passage is relative to the arc-proof member

1288941 V. INSTRUCTION DESCRIPTION (43) 51a, 51b are respectively provided with a lateral groove 53a, 53b, as shown in Fig. 18, in the direction in which the arc-proof member passages 5?a, 51b extend with respect to the arc-proof member passages 51a, 51b In addition, a plurality of lateral grooves 53a and 53b may be provided separately. In the second embodiment described above, as shown in Fig. 19, a single or plural gas extraction passages 81 (two in Fig. 9) may be formed on the deep walls of the transverse samples 53a and 53b. However, it is preferable that the gas extraction passage 8 is prevented from the above-mentioned end wall of the lateral grooves 5 3a, 53b. By arcing the top end to the end wall, the amount of anti-arc decomposition gas is not reduced. Thus, the arc-proof decomposition gas flows more smoothly to the rear of the arc-proof member 50, thereby enhancing the effect of the arc blow. In the second embodiment described above, as shown in Fig. 2, the lateral grooves 5 3a and 5 3b may be omitted. That is, the narrow portion w is formed only in the middle of the arc-proof member passages 51a and 51b, and the communication grooves 52a and 52b are formed. In this way, the movement of the arc-proof decomposition gas which is present inside the narrow portion W of the specific arc-proof member passages 5 1 a and 5 1 b to the opening side (the opposite side of the inner side) of the arc-proof member 50 can be suppressed. . In the first embodiment, the narrow grooves 11 2a and 112b of the magnetic plate 110 constituting the small current restraining portion are parallel grooves having a predetermined width D2, and may be tapered grooves having a narrower inward width. For example, as shown in Fig. 22, the fine groove, the width of the 3 M double-inlet entrance is 〇.8 mm, and the width at the deepest point is pen 1 ▲The design of the entrance of the narrow groove U2a, U2b to the deepest width The occlusion of ^ 112b can be suppressed by the operation accompanying the current interruption.僧lUa, when the usage rate becomes high, at the entrance of the thin grooves 112a, 112b, magnetic

1288941 V. INSTRUCTIONS (44) The surface and inside of the board 110 become confusing. Thus, since the width D2 of the narrow grooves 112a, 112b is very narrow, the narrow grooves 112a, 112b are closed. The inlet portion width of the thin grooves 11 2a and 11 2b which are likely to occur is increased in a range in which the small current is restrained, whereby the closing of the inlet portions of the narrow grooves 11 2 a and 11 2 b is reduced. However, the width of the inlet portion of the narrow grooves 112a and 112b is also set within the range of the width D2 of the grooves 112a and 112b. In the first embodiment, as shown in Fig. 2, the rear end portions of the pair of wall members 123 and 123 provided on the opposite inner edges of the magnetic plate passages 111a and 111b may be separately provided. Guide wall G. The two guide walls G are formed to be expanded toward the rear of the arc-proof member 120. Thus, the arc-proof decomposition gas containing the metal vapor can be efficiently diffused to the rear of the arc-proof member 120. Further, in the first embodiment, as shown in Fig. 23, on the back side of the arc-proof member 120, the diffusion protrusions 126 may be formed on the extension lines of the deep grooves 122a and 122b, respectively. In Fig. 2, the diffusion protrusions 126 are formed in a columnar column shape, and the diffusion protrusions 126 are arranged to be gradually widened toward the rear of the arc-proof member 120. In this manner, the arc-proof gas system containing the metal vapor is led out to the rear of the arc-proof member 丨2, and is diffused by the diffusion protrusions 26, and is returned to the rear of the diffusion protrusions 1 2 6 while being mixed with fresh air. Dilute, thereby quickly recovering the insulation of the atmosphere. Further, the arc-proof decomposition gas can be smoothly guided to the rear. Then, by the diffusion of the arc-proof decomposition gas, the insulation resistance of the atmosphere behind the deep grooves 122a and 122b of the arc-proof member 120 is improved, and the insulation resistance of the arc I is improved to help prevent arcing. Further, the diffusion protrusions 1 26 may also be formed in a quadrangular prism shape or a triangular column shape.

2188-5900-PF(Nl).ptd Page 49 1288941 V. Description of Invention (45) In the first embodiment described above, the support portion 132 of the support member 130 can also be borrowed as indicated by the two-point lock line of Fig. 6 It is covered from the outside by the insulating member z. Specifically, the protrusions 11 3 of the magnetic plate 110 exposed on the outside of the support portion 132 are covered from the outside by the insulating member Z. Thus, arcing between the side edges of the respective magnetic plates 110 can be avoided. In the first embodiment, the arc-proof member 丨20 is formed of PFA, and the material of the arc-proof member 1200 may be arbitrarily changed by a synthetic resin material containing a negative atom-fluorine element. For example, the material of the arc-proof member 丨2 可 may be polytetrafluoroethylene (PTFE), ethylene propylene fluoride (FEp), ethylene tetraethylene ethylene polymer (ETFE), poly-monofluorotrifluoroethylene (pCTFE): Any kind. Any of X' polychlorotrifluoroethylene, fluorinated ethylene, trifluoroethylene, melamine, and hexafluoropropylene. In addition to the aforementioned chaotic elements, the negative atoms include, for example, a gas element, a bromine element, and a sulfur element. The material of the member 120 can be selected from materials containing such negative atoms, and the arc heat causes the arc-proof member 12 to emit a negative atom, whereby the atoms in the arc are adsorbed by the cathode, thereby improving the arc-proof performance. In the first embodiment described above, the magnetic body is also formed by the material of ~16.0% by weight and the carbon of 0.006~〇.2〇3. In the first embodiment, the crucible may be in close contact with the upper surface of the base portion 133. The θ and xenon arc members 1 2 0 are also in the base portion in the first embodiment described above. A plurality of insulating walls may also be used to make the insulation: an early number or a 120 overlap. "Arc protection member for the layer

1288941 V. Inventive Note (46) 'Alternatively at the front of the engaging projection 140' may also be provided at the periphery of the lowermost arc-proof member 1 2 1 b, and the slit-proof power is set at the middle end of the first embodiment described above. Prevent the device from being pulled out. In the first embodiment described above, the arc-proof member passage 2 1 a, the arc device. In the above first embodiment, the spacer 124' can be covered by the interval of the lowermost arc-proof member 1 2 ϋ or the inner surface ΐ3 of the support member 13G can be covered in the first and second embodiments. Although the arc prevention device 1 is used for a high-voltage AC load switch, it can also be used for a high-voltage interrupter. In the first and second embodiments, the arc-proof members 120 and 50 are separately prepared and assembled, and the m 2 member 120 and the magnetic plate (1) are body-shaped as shown in Figs. 24a and 24b. Units can also be used. The number of different L numbers: ^; The arc-proof member 120' 5 is selected and assembled with the number of layers of the magnetic plates 110, 40. Third Embodiment Set 1 〇〇1:第::? The present invention is embodied as an arc-preventing device for a switch, and the first is mixed with a complaint, and is illustrated in accordance with Figs. 25 to 39. A slightly repeated explanation. The members of n are given the same component number, and the body casing of the electric device 11 is opposite to each other in each phase: == = tube "Call...C is only one phase in Figure 25." 2188-5900-PF(Nl).ptd Page 51 1288941 V. Description of the Invention (47) Further, the arc preventing device 100A is prevented from being fixed to the inner end of the power supply side bushing 13 (the front end of the fixed electrode 15). The metal rod 318 is fixed. The conductive rod 16' of the load side sleeve 14 is rotatably supported by the base end portion of the movable electrode 1$ via the shaft 17. The movable electrode is shown as the two-point lock line in Fig. 26. The 21 series has a pair of contact blades 21a, 21b in a parallel plate shape. On the one hand, as shown in Fig. 25, one end of the drive link 24 is rotatably coupled to the front end of the lever 20, and the other end of the drive link 24 is Rotatingly connected to the vicinity of the center of the movable electrode 2 1. Therefore, when the operation handle is operated, the movable electrode 21 passes through the link mechanism, the rotary shaft 19, the lever 2〇, and the drive link 24, and is centered on the shaft 17 25 The movement between the input position shown by the two-point lock line and the open position shown by the same solid line The 礓 drive link is next described in detail for the drive link 24. As shown in Fig. 37, the drive link 24 is formed of a synthetic resin having a large insulation resistance such as polybutylene terephthalate or nylon. On the outer peripheral surface of the drive link 24, a surface on the side of the fixed electrode 15 and a surface on the side of the rotating shaft 19 are respectively formed with a plurality of recesses 3 1° to ensure the side of the movable electrode 2 of the drive link 24 The creeping distance between the joint portion and the joint portion on the side of the lever 20. As shown in Figs. 37 and 38, the outer peripheral surface of the drive link 24 is orthogonal to the surface on which each recess 31 is formed. On the two faces, the same phase blocking reference surface 32 is formed in the direction of the interphase (the left and right direction in Fig. 38), and the side of the fixed electrode 15 of the driving link 24 and the two in-phase blocking faces 32 is formed. Above, at the polymerization point of the drive link 24 and the movable electrode 21, the air supply member 33 is protruded across the outer edge of the two interphase blocking surfaces 3 2, 3 2 .

1288941 _ V. INSTRUCTION DESCRIPTION (48) The member 3 is formed such that the two phase-to-phase barrier faces 32, 32 are orthogonal. (closed state) 'In the state in which the switch 11 is in the arc-proof device and the port is located in the state of the fixed electrode, respectively, the 'inter-phase blocking surface 32' shows the wind member 33 as shown by the lock line from Fig. 25 Point production hopper "moves to the open position shown by the solid line, dreams of this. The wind of the 10 Α side of the arc device. By the wind pressure, when the fixed electrode 15 is open, the device 100A] ;::The arc generated between the poles 21 pushes the star to the arc

The place of Rb b. In this manner, the length of the drive link 24, the in-phase „ the width of the blocking surface 32, and the position of the air blowing member 33 are set. The door-to-phase arc preventing device 2q η is described in detail for the arc preventing device 1A. ~ 29 = "The arc prevention device has a magnetic body forming a plate-shaped body of a plurality of magnetic plates 110" and a plurality of arc-proof members 12 () formed of a synthetic tree moon-shaped material having insulating properties and arc resistance The arc-proof member 12 is configured to be disposed in a direction in which the movable electrode 21 moves in the direction of the movable electrode 21, and each of the magnetic plates 丨丨0 and the arc-proof members i20 are disposed in a pair. The support members i 30 are supported together. The following description will be made in the order of the support member 130, the magnetic plate 11A, and the arc-proof member 12A. The support member will first be described with respect to the support member 130. For example, the 27th to 3rd drawings 2188-5900-PF(Nl).ptd p.53.1288941 V. INSTRUCTION DESCRIPTION (49) The support member 130 has a base 131 fixed to the fixed electrode ^ by the fixing metal member 3 18 and opposite to the same base 131 a beveled support portion 132. As shown in Fig. 27, an inclined surface 131a is formed on the base portion 131. The lower side of the side edge portion (the protruding portion 127, which will be described later) of the lowermost arc-proof member UO is on the inclined surface 132a. The lowermost arc-proof member 12 is The front side (the front side edge portion of the protruding portion 127 to be described later) is on the edge. Thereby, the arc-proof decomposition gas generated by the prevention of the arc is prevented from being leaked from the arc preventing device (10). On the inner side surface of the base portion 131, the insulating wall 135 is formed in parallel with the 135-arc member supported by the two supporting members 13A, 130. As shown in Fig. 39, the insulating wall The member 1 = Φ, which is rich in the arc prevention of the two supporting members 130 and 130, and the side edge portion of the anti-electrical member 120 of the lower layer (the protruding arc Un-n described later, the portion/by this 'suppression prevention) The arc-decomposing gas leaks to the outside of the two supporting members 1 3 0 and 1 30 side of the step. On the front side, the members 130 and 130 are respectively disposed in the arc preventing device 1 〇ΟΑ The movable electrode passes through the opening side of the portion α). The back air of the arc-preventing device 100 = = the electromagnetic-proof property released toward the rear of the arc-proof device: the body is returned to cause the two supporting members 130 '130 to be stained. 1 / Next, the magnetic plate 110 will be described. The magnetic body is formed into a W-shaped plate shape. As shown in FIG. 3, the magnetic plate is in the embodiment, and the ferrite-based iron system is used.

2188.590〇.pF(Nl)&gt;ptd Page 54 1288941 V. Inventive Note (50) (ferrite) stainless steel is used as the magnetic body. The stainless steel of the ferrite-iron-based steel has an anti-rust effect on the embryo material itself, and the electromagnetic force is also generated. The magnetic plate 11 is formed by pressing a sheet of a ferrite-grained stainless steel material by a press, and then forming it by annealing. The annealing is performed by heating the steel to a predetermined temperature and then slowly cooling to remove the skew caused by the residual stress applied to the magnetic plate II during the press processing. The content of chromium (Cr) and carbon (C) contained in the stainless steel of the ferrite-based iron is described in detail later. The front end edge of the magnetic plate 110 (the side edge on the side of the load side casing 丨 4) is formed at a predetermined interval as a pair of magnetic plate passages 111 a and III b which are respectively passable through the contact blades 2 1 a and 2 1 b. . The two magnetic plate passages 丨丨丨a, 1b, respectively, form a notch which is tapered toward the rear end side width (the length in the left-right direction of Fig. 32) to form a notch. Thin grooves 11 2 a and 11 2 b as slits are formed in the innermost portions of the two magnetic plate passages 111 a and Π 1 b, respectively. The two slits 1 1 2 a, 11 2 b extend in the same direction as the magnetic plate passages 111 a, 111 b, that is, the inside (i.e., the rear end side of the magnetic plate )). The deepest portions of the two magnetic plate passages 111a and 11b are smoothly continuous with the two slits 112a and 112b. The two slits 112&amp;, U2b are parallel grooves of a constant width. At the front end of the both side edges of the magnetic plate 110, a pair of dogs 113, 113 are formed, respectively. As shown in Fig. 30 and Fig. 31, the two projections jig and 113 are respectively engaged with the support holes 133 for the magnetic plates of the two support members 13A and 13B from the inner side. In this state, the support member 13 of the projection 113 is pulled out from the canine-out portion of the outer side surface by a chisel from the outside to deform the plastic, whereby the projection 11 3 cannot be pulled out from the magnetic plate supporting hole 丨3 3 . Out.

1288941

Arc-proof member Next, the arc-proof member 120 will be described. As shown in Figs. 26 and 28, 'on the front end edge of the arc-proof member 丨2〇 (the side on the side of the load-side bushing 14), a pair of contact blades 2丨a, 2丨b, respectively The arc-proof member passages 121a and 121b are formed at predetermined intervals. Deep grooves 122&amp;, 122b are formed at the deepest portions of the two arc-proof member passages 121a and 121b, respectively. The deep grooves 122a and 122b extend in parallel with the arc-proof member passages 121a and 121b (i.e., the rear end edge side of the arc-proof member 1200) and the slits 1丨2a and U2b. Further, the widths of the deep grooves 122a and 122b are smaller than the widths of the arc-shaped arc passages 121a and 121b. As shown in Fig. 33, on the inner side of the arc-proof members 1 2 1 a and 1 21 b facing the arc-proof members 丨2, an arc-connecting (wall member) 123 is protruded. The inner face of the arc contact wall 123 forms a continuous flat 123a. The arc contact wall 123 (strictly speaking, the arc contact wall 123 1 23a ) is in contact with the large current arc when a large current is opened, and is provided with an arc contact member which functions as an arc preventing decomposition gas. ... Open port As shown in Fig. 29, Fig. 30 and Fig. 33, at the deepest point of each arc contact opening, 23, an open mouth soil 123b for preventing arcing decomposition gas is formed. Each of the open ports 123b is formed in the same row to form a notch. The member 120 is exposed to the arc-proof decomposition gas generated in the arc to open to the side of the arc opening port 123b. 'After each arc stop wall portion, as shown in Fig. 33, inside the arc-proof member 12〇, deep groove

2188-5900-PF(Nl).ptd Page 56 1288941, Invention Description (52) The block-shaped thick walls 324 are formed on the inner edges of the opposing faces 122a and 122b, respectively. The front end side faces of the thick walls 324 (the side faces on the side of the arc-proof member passages 121a, 121b) face the arc-proof member passages 121 &amp;, 21b, with respect to the central axes of the arc-proof member passages 1 2 1 a, 1 21 b Form an orthogonal. Therefore, when the micro motor is opened, the movement of the arc I in the minute current range to the inner side (the rear end side of the arc preventing member 120) is restricted by the side surface on the front end side of the thick wall 324. In other words, the front end side surface of the thick wall 324 functions as an arc stop wall portion and has a function of restricting the arc from moving inward. In other words, the arc stop wall portion 324a is formed in the innermost portions of the two arc member passages 121a, 121b. The arc I in the small current range is retained in the vicinity of the arc stopper wall portion 324a, and the arc stopper wall portion 324a is thermally melted by the arc to generate an arc-proof decomposition gas. As shown in Fig. 29 and Fig. 3, the spacer member "is the same as the first embodiment, and is located on the outermost surface of each of the arc contact walls 1 2 3 on the surface and inside of the arc shield member 120. Between the arc contact wall 1 23 and the outer edge of the arc shield member 120, the spacer members 1 2 4 are respectively protruded and formed.

As shown in Figs. 29 and 33, in the inside of the arc-proof member 12A, a recess 1 2 5 is formed by the surface and the inside of the arc contact wall 1 2 3 and the spacer member 1 2 4 and the arc-proof member 1 2 〇. . Upper and lower blocking portions Further, the arc-proof member 120 will be described. As shown in Fig. 33, the deep grooves 122a and 122b of the arc-proof member 120 are opened to the rear end side of the arc preventing device 100A via the gaps 127a and 127b. In the arc-proof member 12A, 1288941 V. Inventive Note (53) The portion on the rear end side of the thick-walled portion 324 is a vertical blocking portion 128 for securing the edge of the magnetic plate 11A in the vertical direction. As shown in Fig. 34a, in the upper and lower blocking portions 128, a thick portion 128a is formed on the rear end side of the arc contact wall 123. The thick portion 1 2 8 a is tapered toward the rear end side wall of the arc-proof member 120 to form a tapered surface 1 28b. With this configuration, the arc-proof decomposition gas can be smoothly discharged to the rear while coping with the arc consumption. As shown in FIGS. 26 and 27, in the state in which the respective magnetic plates 11 and the arc-proof members 120 are supported between the support members 130 and 130, the respective upper blocking portions 1 2 8 are respectively from the magnetic plates. The rear end edge of 11 0 becomes prominent. Thereby, the arc-proof decomposition gas at the time of the interruption can be smoothly guided to the rear of the arc-preventing device 100A. Further, the return of the arc-proof decomposition gas to the prevention of the electric isolation device ioqa is suppressed, and the atmosphere between the magnetic plates 1 1 is prevented from being easily short-circuited due to the return. Projection portions As shown in Fig. 26, the dog's exit portion 1 27 is formed at the rear end side ' at both side edges of the arc-proof member 丨20, respectively. In a state where the magnetic plate 11 and the arc preventing member 1 2 are supported between the supporting members 130 and 130, the protruding portion 12 protrudes from both side edges of the magnetic plate 11 ,, and the protruding portion 设定 27 is set. Prominent length. The engagement projection φ forms an engagement projection 140 on the front end sides of the both side edges of the arc-proof member 110. As shown in Fig. 29, the upper surface of the engaging projection 14A is substantially flush with the upper surface of the above-mentioned protrusion &amp; portion 127. Anti-extraction of the snap protrusion

1288941 V. INSTRUCTION OF THE INVENTION (54) Short side: Γ上5: t' in the engaging projection 140, on the opposite side of the Ϊ: Ϊ1丄ί into the side portion of the protruding portion 141. In addition, as in the 36th ST: part 14 (), on the opposite side of the two long sides, the person to go to the plan〗 〖 μ ★ The formation of the upper extraction protrusion 142 〇 〇 〇Ρ 1 40 攸 inside insert prevention The arc structure ^ ^ ^ ^ ^ shape ula and the upper extraction protrusion adjacent to the side extraction protrusion 141 of the taper relief protrusion (4) and the upper extraction protrusion: 2 cone 甬 'face, 'then, side bungee The large cymbal 142 is supported by the arc-proof member support hole Hr pull-out projection 141. The upper pull-out projection 142 is engaged with the outer side surface of the t-holding member 30 (support portion 132), and the engagement projection 140 prevents the yoke The arc-proof member support hole 34 is pulled out. The positional relationship between the magnetic plate and the arc-proof member is shown in Fig. 1. When the arc-proof device 1A is prevented from being in the plane of the arc-proof member 120, the deep groove 122a, 122b of the arc-proof member 120 This is described in relation to the positional relationship between the slits n2a and lm of the magnetic plate 110. That is, in the deep grooves 122a and 122b, while the grooving of the magnetic plate 11〇 and 11 2b are collectively positioned, a part of the magnetic plate 露出 is exposed to the 4 deep grooves 1 2 2 a, 1 2 2 b The deepest point. Further, the magnetic plate 丨丨〇 is exposed inside (the front end side of the arc-proof member 120) on the inner side of the deepest portions of the two arc-proof member passages 1 21 a and 1 2 1 b. Therefore, the arc generated between the fixed electrode 15 and the movable electrode 2 is restrained by the respective blocking portions of the magnetic plate 110 in accordance with the blocking current. In other words, the arc of the large current and the small current range is restrained by the arc restraining portion r (described later) of the magnetic plate ιι located at the deepest point in the deep grooves 122a and 122b. Also, the tiny current is restrained in the two defenses

Page 59 2188-5900-PF(Nl).ptd 1288941

V. INSTRUCTION OF THE INVENTION (55) The material of the magnetic plate 11 of the magnetic plate 11 near the deepest portion of the m road m'mb is described in detail. The material of the magnetic plate 110 will be described in detail. , know = for the material of the magnetic board - the use of iron. This is because of cheap and autumn r:, iron electromagnetic force is very suitable for its choice: ..., and the corrosion resistance of iron is small, due to the appearance of rust surface: ^ t:; especially cheap and resistant to rice Good material, SUS43 ° (: the industry specifications) represented by the ferrite iron stainless steel, but the magnetic force is too large, but also people „ H Ri Ma Volkswagen heat shortcomings. In this * An is not a port to become a switch The interception action of the device is the material of the material (Cr; ii! The father looks at the content of the embryo (4) chromium (Cr) and stone counter (c) of the fermented iron and iron steel, from the sex and (4) (4) The price and the special ferrite iron stainless steel with the weight μ are selected. Moreover, the magnetic height is high: magnetized nickel alloy (permalloy) (recorded with iron-based: special magnetic alloy of magnetic properties) Not only the price is very high and the knife is formed: the selected material is excluded. 1 The left side is excluded. First, the sample containing the needle containing the two needles for determining the road (Cr) and the charcoal (c) has the right amount of sample 1 to sample. 9 The magnetic plate of the same shape is fabricated for the interruption test of the small current of the mother. In this embodiment, the breaking current is 10 Α (Amp). The result is shown in ~兮4, 〇 indicates that the occlusion is good, and the parent indicates that the occlusion is poor. One person, the test conditions are as follows. That is, the test electrode is constructed such that the electrode movable electrode is a straight blade of copper. Slice (:;= =

Mi 2188-5900-PF(Nl).Ptd第60页

1288941 V. Invention description (56) ) For the clamping contact type, the thickness of the contact blades 21a, 21b is 4 1/2:: Mounting: using the magnetic plate 110 and the arc-proof member 〗 〖 : Magnetic plate type arc prevention device. The four-layer layer of the magnetic plate (1) is not, and the height of the arc-proof member 120 is 65 mm. In the case of the test results shown in Table 4, when the material of the magnetic plate n 为 is the sample γ to the sample 9, it is difficult to have good barrier properties to the small size. Therefore, it is preferable that the magnetic plate 11 is made of steel containing φ and 30% by weight of carbon. Such as &amp;, can be well cut off for small current electric fox and small electric = steel. j electric, claw 冤 arc do ^ magnetic 丨 raw board 11 〇 material, in the ferrite iron stainless steel steel special 1 B carbon content is better β _ by annealing and other high temperature treatment materials With the addition of magnetism, the magnetic properties and corrosion resistance of the plate 1 10 0 are deteriorated. In the present invention, it is preferable that it is formed of a ferrite-based iron-based stainless steel containing chrome 9 〇 16 〇 wt% and carbon 〇〇 二 6 〇 260 wt%. Further, in the present embodiment, the magnetic plate passages a, 1Ub and the arc-proof member passages 121a and 121b constitute a movable electrode passage = 邛 α. The arc-inducing portion /5 is formed by the depths 122a and 122b of the arc-proof member 12'''''''''''' Among the flat portions at the deepest portions of the slits 112a and 112b of the magnetic plate HO, the portions of the deep grooves 122a and 11b exposed to the arc-proof member 120 are formed as arc restraining portions r. The role of the implementation

1288941 V. INSTRUCTION DESCRIPTION (57) The person-person is described with respect to the arc preventing device of the above-described switch. F m In the input state shown by the two-point lock line shown in Fig. 25, when the handle is opened for the open operation, the lever 2 is pivoted in the clockwise direction about the rotation axis 丨9. Then, the drive link 24 is moved upward, and the movable electrode 21 is rotated in the clockwise direction about the shaft 17. When the movable electrode 21 is separated from the fixed electrode ,, an arc is generated between the fixed electrode 15 and the movable electrode 21, that is, between the fixed contact electrodes 2a and 2b, respectively! (Refer to Fig. 32) ° As shown in Fig. 32, a magnetic flux distribution on one side is generated around the arc column due to the magnetic plate η 〇. According to the right-handed screw rule and the left-hand rule of Lemming, the electric arc generated by the magnetic plate 110 is continuously driven to the inside of the magnetic plate 11 (in the direction of the arrow in Fig. 32), and passes through the two magnetic plate passages 111a. The innermost portion of 1Ub (refer to Fig. 26) is fixed to the inside of the thin grooves 112a and U2b. The arc j is extended while being concentrated to the deepest portion of the slots 112a, 112b, and the magnetic plate 110 is broken. The anode, cathode drop, and cooling are effective, and the arc voltage is rapidly increased. When the movable electrode 21 is moved to the open position shown in Fig. 25 and shown here, the arc is completely prevented, and the open operation is completed. When closing the road, reverse the action when the above is open. The interruption of the high-current arc is explained by the action of the arc-preventing device for interrupting a large current of, for example, more than 3 A (amperes). The magnetic plate 110 and the arc-proof member 1 2 0 are alternately arranged on the movable electricity

1288941 V. Inventive Note (58): 2 Yang 1: In the direction, the arc 1 arc contacts the upper surface (surface) of the surface 128 and the lower surface of the arc-proof member 120 (the upper two plates are driven deeper. At this time, By arc heat, an arc-proof decomposition gas is generated from the upper and lower surfaces of the barrier blocking surface 128 and the arc contact wall 123, and the arc-proof decomposition gas promotes the prevention of lightning arc. &amp; Electricity: A large current arc is generated from energy. The electromagnetic intensities of the large magnetic plates are also strong. Therefore, the arc 1 of the large current is not fixed to the arc fixed to the depths of the thin grooves 112a, 112b, and even the anti-arc structure is φ. And the rear side drive. Moreover, compared with the small electric arc and the small current arc such as the excitation current and the charging current, since the generated heat is also large, the arc-proof decomposition gas above and below the arc prevention member 丨2〇 The production wall is also sufficiently ensured. Further, the contact wall 123 and the thick wall 324 also contribute to the generation of the electric decomposition gas. The arc prevention member 1 2 〇 is composed of a synthetic resin containing a fluorine element containing a negative atom (in Real In the example, PFA) is a fluorine-containing atom containing a negative atom that easily attracts electrons in the arc in the arc-proof decomposition gas generated by arc heat. The fluorine atom absorbs electrons in the arc. The arc-proof performance (current interruption performance) is improved. Further, the magnetic plate 1 10 and the arc-proof member 12 are alternately disposed at a predetermined interval in the moving direction of the movable electrode 21 to prevent the respective arc-proof members 120 from being disposed. The inner surface of the carbide is continuously adhered. Therefore, the inner surface of the arc-proof member 12 does not form a continuous carbonized surface, and the deterioration of the arc-proof performance is suppressed. Further, the surface of the arc-proof member 12 is formed with a concave portion 丨2 5,

2188.5900-PF(Nl).ptd 1288941

The grounding of the external charging ensures a creeping distance toward the side of the arc-proof member 120. Thus, a projection 127 is formed on the side of the arc-proof member 120. Therefore, the arc I is suppressed from being turned toward the side of each of the magnetic plates 11A, and the arc I is prevented from occurring between the both sides of each of the magnetic plates.

As described above, the arc-proof decomposition gas generated in the arc-proof member passages 121a and 121b (i.e., the arc-proof decomposition gas generated from the upper and lower surfaces of the upper and lower barrier faces 28 and the arc contact wall 123) is guided. The contact wall 123 is introduced and led out toward the rear of the arc prevention member 12A. In particular, when a large current is opened, the arc-proof decomposing gas system mainly flows toward the rear of the electric field 12 and the arc-proof member 12A. By the arc resistance = gas, the arc I is blown toward the rear of the magnetic plate 丨1〇 and the arc preventing member 12〇, and the arc I is more diluted. In other words, the arc is blown off by the arc-proof decomposition gas flowing toward the rear of the magnetic plate 丨丨〇 and the arc-proof member 120 to prevent the arc from being prevented. Further, the outer surface of the contact wall 123 serves as the back surface of the electric/maternity portion, and the metal vapor contained in the arc-proof decomposition gas adheres. Therefore, a continuous stained surface is not formed, and the creeping distance between the respective magnetic plates 11 is ensured. As shown by the arrow in Fig. 3, the arc-proof decomposition gas which can be led out to the arc-proof member 丨2 导向 is guided to the arc-preventing device 1 via the gap S (see 3 i =) of the large opening. The rear of A. Arc-proof decomposition gas spring This is extracted after the arc-proof member 1 2 , and discharged to the rear. The discharge of the arc-proof decomposition gas is smoothly performed, and the arc-proof property is decomposed, and the gas is smoothly discharged to the rear of the arc-preventing device 丨〇〇A, and a new atmosphere (air) is introduced into the arc-proof device. 1 〇〇 person's interior.

1288941 V. INSTRUCTIONS (60) ---------- As a result, 乂m ^ Z m , the atmosphere behind the deep grooves 122a, 122b of the arc-proof member 12〇 is changed from the friend (five) Helps prevent arcing. Furthermore, with the newly introduced Gongyi Yizheng, _, _, LI Wang chaos) 'cold magnetic plate 1 1 0 and promote the arc of the poor 5 is the secret two anti-arc function anti-arc decomposition gas The metal ώ π i- is contained in the arc plate 110 and the arc-proof members 120 and 4*. Then, the atmosphere inside the arc preventing device 1 0 0 A is prevented from being replaced by the wind surrounding gas to prevent the arc from being re-pointed. The interruption of the small-current arc Next, the action of the arc-preventing prevention device 1A is described in the case where the small current of 3 〇A or less, such as the charging current and the exciting current, is interrupted. As shown in Fig. 26, in the arc-proof member passages 121a and i21b, since the magnetic plate passages 111a and 111b are all exposed, the arc is not hindered by the arc-proof member 120, and the centrifugal force accompanying the rotation of the movable electrode 21 is generated. The attraction of the electromagnetic force of the magnetic plate 110 is smoothly driven to the magnetic plate 11 〇 precisely, the inside of the magnetic plate passages 11 11 a, 111 b ). Further, since the width of the slits 112a and 112b is smaller than the width of the magnetic plate passages nia and mb, electromagnetic attraction is stronger on the slits 11 2 a and 11 2 b than the magnetic plate passages 1a and j丨丨b. The force, the excitation current arc, and the charging current arc are attracted to the inside of the slots 112a, 112b. (The arc I energy in the small current range is less than the high current arc energy, and the amount of the arc-proof decomposition gas generation is lower than when the large current is opened during the interruption. However, the arc I in the small current range is the arc induction unit described above. The stone quickly moves to the arc restraining portion 7 located at the deepest point of the arc prevention device 1000A,

2188-5900-PF(Nl).ptd Page 5 1288941

The arc restraint area. The anti-electrode portion 1 2 8 a around the small current (the arc-proof gas in the arc-proof portion of the anti-arcing portion 7 of the 1 2 8 a is contacted with the micro-current arc r. That is, The arc restraining portion 7 is an arc arc I is brought into contact with the thick wall 324 (see Fig. 33) and the thick wall 34a) of the arc restraining portion arc member 120, respectively, and the thick wall 324 and This thick-walled decomposition gas is smoothly discharged. The gas generated by the arc-inducing portion stone is added to the arc-resolved gas in the arc, and the deep groove 122a, 122b of the arc-proof member 120 is decomposed to increase the gas pressure. The arcing resistance of the increased pressure is divided into the arc I of the small current region, and the arc I is eliminated. Occlusion

Eight people, in the small current range, explain the action of the arc preventing device 1 〇 〇 A for blocking the small current Μ below the Μ. ;, L The small current arc energy is very small, and the electromagnetic force generated in each of the magnetic plates 11 is also weak. Therefore, the blocking element is a stable generation of the anti-arc decomposition gas which is balanced with the minute current arc. The minute current arc is smoothly driven to the inside of the magnetic plate 110 (precisely, the slits U2a, n2b) by the centrifugal force accompanying the rotation of the movable electrode and a small amount of the magnetic flux generated on the magnetic plate 11''. At this time, with the help of the generated wind pressure in the opening direction of the blower member 33 of the drive link 24, the minute current arc 丨 is pressed against the arc prevention I I 1 0 0 A (the movable electrode passage portion α) deep. The minute electric current I is restricted from moving to the depth by the arc stopper portion 324a, and is fixed at the arc fixing portion 150. Therefore, the deepest portion of the arc-proof member passages 丨2丨&amp;, 121b is secured (Arc The arc of the periphery of the fixing portion 150 has a fixed arc time. As a result, the arc j and the arc stop wall portion 324a that ensure a small current range are ensured.

1288941 V. Inventive Note (62) = contact time, even for a small current arc having a small amount of energy, (4) The arc-proof decomposition gas of the arc stopper portion 324a can be stably generated. Even, the breaking prevention characteristics of the arc preventing device 100A are stabilized.燐1 The defensive decomposition gas does not remain in the depth = 2: of the arc-proof member 120, and is formed from the open port formed inside the arc-contacting wall 123! 3b:, is extracted to the side, and then is detached from the arc-preventing device. Figure 33 on the back). Therefore, the anti-arc decomposition gas containing the metal vapor or the like is prevented from remaining in the depths of the arc-proof member materials ma and 121b and the deep grooves 122a and 122b, and the anti-arc performance is continuously supplied: ίArc ΐ ΐ gas . Because of &amp;, the replacement of the arc-proof decomposition gas becomes smooth, and the arc is suppressed. 1 $ Thus, as in the arc prevention device i〇〇A of the present embodiment, the arc for a small current range is shortened! Interruption time. In addition, the θ Zhongtian current range reaches a wide range of the small current range, and the rupture performance is improved. The effect of the third embodiment of the generation of electromagnetic force (1) at the deepest point of the magnetic plate passages U1a and 11b, = the grooves 112a and U2b having the small width of the passages U1a and 11b, = this: when the circuit is open The arc induction portion generated at the depth of the fixed electrode 15 and the movable electrode 21 is further induced, and on the electric arc length of the arc, f "the arc induction portion" is electrically conductive: (beam portion) Therefore, 'especially in the small current interrupt = solid two even, can quickly complete the interruption of small currents. Also produced.

2188-590〇.pF(Nl).Ptd Page 67 1288941 V. INSTRUCTION DESCRIPTION (63) Further, in the innermost portion of the arc-proof member passages 1 2 1 a and 1 21 b, the arc-proof member passage 121a is formed. At the same time, the arc-stopping portion 324a2 that is orthogonal to the 121b is simultaneously deflected from the center of the arc-stopping wall portion 324a by a small current, causing a lightning strike, and the arc 1 of the minute current range is directed to the arc portion 324a. The depth T:=limit is 'constrained by the arc fixing portion 150. Therefore, the electric arc of the second electric power is trapped in the arc-stopping portion of the arc-proof member 120: the contact time of the arc 1 with the arc-proof member 120 is maintained. Accumulatively: The J arc-proof decomposition gas..., by the arc-proof property, the arc 楗 in a small current range is eliminated. 〖2讣' creates an open port deep in the arc contact wall 123. The Thunderbolt =: the arc member passages 121a, 121b are open to the side. Therefore, 2 = 32 "the surrounding arc-proof decomposition gas passes through the open port 1 db, and the side of the arc-proof member 丨2 is braked smoothly from the side of the mountain (preventing the arc device 100 Α). At the same time as the shell body stays, the anti-arcability of the fresh side is reduced to the periphery of the gas contact wall 123. Therefore, the arc-shaped decomposition gas is supplied to the inner side of the small current range where the arc relay force is small ===100A. Driven by 〇.2〇% by weight of ferrite iron ^29.〇16.0% by weight and carbon 0 shoulder 6~ fixed fat grain single-phase microstructure magnetic steel. Therefore, it is stable to increase the small current range and small; The characteristic is improved. 0 This can be divided into the occlusion performance of the arc I.

1288941 V. INSTRUCTIONS (64) - Also, due to the inclusion of chromium, the magnetic sheet 11 has a good anti-recording effect. In general, iron is often used for magnetic materials. However, rust must be electroplated. It is also necessary to consider the problem of electroplating peeling caused by arc heat. In the present embodiment, the magnetic system has a rust-preventing effect of the base material itself, and an iron-based stainless steel material having excellent electromagnetic force generation. Therefore, the magnetic plate does not need to be electroplated, and it is not necessary to consider the plating problem caused by arc heat. The driving (3) driving link 24 is movably coupled to the movable electrode 21, and by the driving of the driving connection = 24, the movable electrode 21 is configured to be connectable to the fixed electrode ^1 from the magnetic plate path 1Ua, 1Ub and The arc-proof member passage 3' constitutes a movable electrode passage portion α through which the movable electrode 21 can pass. Then, the movable electrode of the drive link 24 is ventilated, and is generated during the open circuit 1 in the fixed electrode 15 and the movable/t-two-pass movable electrode passage portion. Therefore, with the opening operation of the driving unit 74, the air blowing member 33 is pushed upward by the arc I to be pressed into the movable electrode passing portion α in the direction in which the electric charge, for example, the minute current arc is directed to the movable electric motor. Then, the occlusion performance can be improved. Driving in ^ (4) The air blowing member 33 is integrally formed with the driving link 24. The connecting rods 2 4 are in the same phase, and the blocking members 3 2 一体 are integrally formed in the driving unit. Therefore, it is possible to reduce the 槿杜叙. Also, attempts are made to save space within the body casing 12. Let the number of components ^ π broadcast). An inclined surface 13la is formed on the upper surface of the base portion 131. The lightning protection of the lowest household: =12. The side edge portion (the front side edge of the arc-proof member 12 of the layer of the protruding portion 后 anti-electric slanting surface to be described later; 接 ^ page 69 2188-5900-PF(Nl).ptd V. Description of the invention (65 The front side edge portion of the protruding portion 1 2 7 is in close contact with the rear side edge of the base portion 133. Thereby, the arc-proof decomposition gas is prevented from leaking from the arc-preventing device 丨〇 A. The arc-proof decomposition gas leaking outside the arc prevention device 不A does not contaminate the surface of the support member 130, and the projections 113 of the magnetic plate 110 do not have the same potential. It does not occur in the case where the surface protrusion 丨13 of the supporting member 丨3 turns on and cannot be blocked. Therefore, the interrupting performance can be improved. (6) Further, an insulating wall 丨 35 is formed on the inner side surface of the base portion 133. The lowermost layer of the insulating wall 135 is overlapped with the protruding portion 12 of the arc-proof member 12A. Thereby, it is possible to suppress leakage of the arc-proof decomposition gas from the arc-preventing device 100A. The two supporting members 130 and 130 are respectively disposed on the front side of the arc preventing device ιοο (the opening side of the movable electrode passing portion α). Therefore, the elimination of the arc I can be performed smoothly. (8) The engagement projection 14b for attachment is provided on the side surface of the arc-proof member. The front end of the engagement projection 140 is provided with an extraction preventing means for preventing the engagement projection 140. Specifically, Before and after the engaging projections, the upper side of the short side surface on the opposite side is formed with the side portion 2 σ 1 and the upper and lower sides of the joint portion 1 40, and on the opposite side '^ ^ ^ , The outer side of the upper side of the upper side is formed at the outer side of the upper side. Therefore, the engaging protrusion 1404 is fitted to the support member 130, and the arc-proof member support hole 134 of the support member 130 is circumscribing, The drawing prevents the engagement projection 14 from being pulled out from the support member 13A.

1288941 V. Inventive Note (66) (9) After inserting the magnetic plate 1 1 〇 and the protrusion 1 1 3 into the support hole 133 for the magnetic plate of the support member 丨3 ,, the magnetic plate is struck with a scent from the outside of the support member 130 The protrusion 113 of the 110 is prevented from being pulled out from the support member 130 by the plastic deformation thereof. Therefore, the pull-out prevention structure of the projections 113 of the magnetic plate 11 turns need not be separately designed. Therefore, the construction does not become complicated. Other Embodiments The above third embodiment can also be changed to the following other embodiments. Eight

As shown in Fig. 40, the fine-gap wall 153 can also be formed by extending the electric contact member 1 2 3 of the lowermost arc-proof member 丨2 于 downward. In this way, when the open circuit is opened, the contact blades 2 1 a and 2 1 b are respectively sandwiched between the narrow gap walls 151, and a fine gap effect is obtained, so that the breaking performance can be further improved. Each of the fine-pitch walls 151 is constituted by a fine-gap anti-arcing device provided on the periphery of the arc-proof member passages 121a and 121b of the arc-proof member 120 of the arc-proof member of the lowermost layer of the arc-proof member 120. - As shown in Fig. 40, in the lowermost arc-proof member i 2 ,, the partition wall U2 is formed by extending the lower side spacer member 24 downward, and the covering wall 152 covers the support. The base portion i3i of the member 13A is also in the third embodiment, although the insulating wall 丨3 5 is provided with a single one on each side, and is represented by a two-point lock line in the third figure, two, three or three on each side. The above insulating walls 1 3 5 can be used. In this way, the creeping distance of the side of the arc-proof member 1 2 0 can be ensured. In the second embodiment, although by the arc contact the alcove 2 3

1288941 V. Description of the invention (67) = open, port 23b, so that the arc-proof member passage] 2U, i2ib may be omitted K = the contact wall 123. Further, in the arc-proof member, the % arc-proof member passages 1 21 a, 1 2 1 h, and the a-member passages become one. Even so, the package;::: gas: two electric power is extracted from the side of the arc-proof member passage by the arc-decomposing gas. And the protection of the =; continuous supply of fresh anti-arc decomposition gas;: in the form of a door, although the arc is connected? Bite: 徊 However, one arc contact wall 123 may be provided with two or more than two open ports 23b. If a gas can be dissipated to the side. Square arc decomposition ^ In the third embodiment t, although the air blowing member and the driving link system are formed in the = delivery, the member and the driving link can also be assembled as individual component bodies 9 / | in the second facility In the embodiment, the air blowing member 33 is provided in the driving distance = 'but may be provided on the movable electrode 21 itself. The internal induction of the movable electrode passing portion of the arc due to the movement of the air blowing member of the movable electrode itself is caused by =. In the third embodiment, the magnetic plate 110 is alternately arranged in the moving direction of the arc-proof member 120 and the electric arc (four), but the following two pieces can be =:. In other words, the respective arc-proof members 120' are omitted, and the magnetic plates are arranged at regular intervals to form a magnetic plate type=arc device. In this case, the magnetic plates of the respective magnetic plates 11 () pass through ί

Ilia and 111b constitute a movable electrode passage portion α. The movable electrode 2ι passes through the movable electrode passage portion α in a direction orthogonal to the resist plate 110. The material selection of magnetic and f represents a magnetic body composed of a low carbon amount. Specifically, the magnetic 2188-5900-PF (Nl).ptd page 72 1288941 V. Description of the invention (68) The production plate 110 is made of iron containing 9.0 to 16.0% by weight of chromium and 0.006 to 0.20% by weight of carbon. Made of stainless steel. Thus, the magnetic sheet formed of the magnetic plate formed of the iron material ensures the magnetic characteristics of the magnetic plate 110 as compared with the arc preventing device. Further, since chromium is contained, the corrosion resistance and rust resistance of the magnetic plate 110 can be ensured. Therefore, the breaking performance of the arc I in the small current range and the small current range can be respectively improved. In the integral rod 2 4 is also expected (including the movement, will), and this, with the accompanying difference, the 3 3 is accompanied by the wind supply current in the blade type. This condition prevents the two pieces or the square from being solid. The third form is T, -~, ,, and ~w lines rruodan; ~% 1 □μ 孙形形, but the following structure is also possible. That is, the air blowing member 33 and the driving connection may be individual members. Then, the air blowing member 33 is formed by a flexible synthetic resin material rubber material, and the air blowing member 33 is placed at the base end portion thereof with the movable electrode (the driving link 24 is fixed to the moving direction of the movable electrode 21) It is also possible to bend in the opposite direction. As the driving link 24 is driven, the air blowing member 33 is bent to return to the original position (original state). Therefore, the driving member 24 is driven upward by the driving of the air blowing member. Compared with the wind pressure generated by the member 33, even the small current range and the micro-I are more pressed against the arc-preventing device 1 (in the third embodiment, although the arc is prevented) The device 1 is used for the 雔-point-cut switch HU, which is used for one-blade type: It is also used for the double-edged or single-pole type of two-point switcher: : 'Power side cover 13 and load The arc device 100A of the side sleeve 14 is closed for the two anti-lightning devices: the upper blade is provided with a z-shaped contact blade, and the electrode is closed by the electrode. Thus, the present embodiment (1) can be obtained.

1288941

5. In the third embodiment, the effect of the load side sleeve 14 is provided at the inner end of the power supply side sleeve 13 and the arc preventing device 100A. The movable electrode 21 is rotatably supported on the inner end, but the following configuration may be such that the inner end of the power supply side sleeve 13 rotatably supports the movable electrode 2 1 while being on the inner end of the load side sleeve 14 The fixed electrode 15 and the arc prevention device 100A are provided. Thus, the effects of the first embodiment (1) to (9) can be obtained.

Table 1 shows the relationship between the width of the fine groove and the small current (JIS4605 can be detained)

The current of the grid material 値mm _Gang 5 10 15 20 30 The width of the slot D2 0.3 〇〇〇〇〇0.5 X 〇〇〇〇0.8 XX 〇〇〇1.2 XXX 〇〇1. 5 XXXX 〇1. 8 XXXXX 2 One indicates the width of the slot and the small current (JIS4 605 qu (g can be detained)

Grid current 値 Magnetic 软 Soft iron 5 10 15 20 30 Width of the groove D2 0.3 〇 〇 〇 〇 〇 0.5 X 〇 〇 〇 〇 0. 8 X X 〇 〇 〇 1.2 X X X 〇 〇 1.5 X X X X 〇 1. 8 X X X X X

2188-5900-PF(Nl).ptd第74页

I 1288941 V. INSTRUCTIONS (70) Table 3 High-voltage miscellaneous load switches (3·6/7 _2kV> required rated 値 and specifications Fixed load between closed loads 1 1 Constant current load current Excitation current Charging current 600 600 30 10 400 400 20 10 300 300 15 10 200 200 10 10 100 100 5 10 Action Responsibility 200 rpm 10 rpm 1 〇 m Table 4_ (% by weight)

Cr C 10A test sample 1 9,7 8 0.014 〇 sample 2 10.39 0.010 〇 sample 3 11. 90 0.012 〇 sample 4 14.32 0.009 〇 sample 5 16. 00 0.006 〇 sample 6 12.63 0.030 〇 sample 7 8.72 0.015 X sample 8 12.20 0. 024 X sample 9 20.01 0. 012 X

2188-5900-PF(Nl).ptd Page 75 1288941 Brief description of the drawings Fig. 1 is a front sectional view showing the switch of the first embodiment. Fig. 2 is a plan view showing the arc preventing device of the first embodiment. Fig. 3 is a front elevational view of the arc preventing device of the first embodiment. Fig. 4 is an exploded perspective view of the arc preventing device of the first embodiment. Fig. 5 is an exploded perspective view of the arc preventing device of the first embodiment. Fig. 6 is a view taken along line 1 to line 1 in Fig. 2 of the arc-proof preventing apparatus of the first embodiment. Fig. 7 is a plan view showing the magnetic plate of the first embodiment. Fig. 8a is a bottom view of the arc-proof member of the first embodiment. Figure 8b is a cross-sectional view taken along line 2-2 of Figure 8a. Fig. 9 is a plan view showing the magnetic plate of the first embodiment. Fig. 10 is a perspective view of the arc preventing device of the second embodiment. Fig. 11 is a perspective view of the arc preventing device of the second embodiment. Fig. 2 is an exploded perspective view of the arc preventing device of the second embodiment. Fig. 13 is a plan view showing the arc preventing device of the second embodiment. Fig. 14 is a perspective view of the arc preventing device of another embodiment. Fig. 15 is a front elevational view of the arc preventing device of another embodiment. Fig. 16 is a plan view showing an arc preventing device of another embodiment. Fig. 17 is a front elevational view of the arc preventing device of another embodiment. Figure 18 is a plan view showing an arc preventing device of another embodiment. Fig. 19 is a plan view showing an arc preventing device of another embodiment.

2188-5900-PF(Nl).ptd Page 76 1288941 BRIEF DESCRIPTION OF THE DRAWINGS - Figure 20a is a plan view of an arc-proof member of another embodiment. Figure 20b is a cross-sectional view taken along line 3-3 of Figure 1 2a. Figure 21 is a plan view showing an arc preventing device of another embodiment. Fig. 22 is a plan view showing an important part of a magnetic plate according to another embodiment. Fig. 23 is a bottom view showing an arc preventing member according to another embodiment. Figure 24a is a plan view of an arc-proof member of another embodiment. Figure 24b is a cross-sectional view taken along line 4-4 of Figure 24a. Fig. 25 is a front sectional view showing the switch of the third embodiment. Fig. 26 is a plan view showing the arc preventing device of the third embodiment. Figure 27 is a front elevational view of the arc-preventing device of the third embodiment. Fig. 28 is a view in the direction of the arc preventing device of the third embodiment. Fig. 29 is an exploded perspective view showing the arc preventing device of the third embodiment. Fig. 30 is an exploded perspective view showing the arc preventing device of the third embodiment. Fig. 31 is a plan view showing a magnetic plate according to a third embodiment of the arc prevention device according to the third embodiment. =33Materials of the third embodiment (4) The bottom view of the anti-smashing member Fig. 34a is a sectional view taken along line 1 of Fig. 33. Figure 3 4 a is a cross-sectional view taken along line 2 - 2 of Figure 3 3 . Figure 35 is an enlarged view of a portion C in Fig. 27. Figure 36 is a cross-sectional view taken along line 3-3 of Figure 33.

1288941 BRIEF DESCRIPTION OF THE DRAWINGS Fig. 37 is a front elevational view of the drive link of the third embodiment. Figure 38 is a side view of the drive link of the third embodiment. Fig. 39 is a bottom view of an important part of the arc-proof member of the third embodiment. Fig. 40 is a side view showing an important part of the arc preventing device of another embodiment. DESCRIPTION OF REFERENCE NUMERALS 11 to switch; 1 2 to body casing; 1 2 a, 1 2 b to side wall; 1 3 to power side sleeve; 1 4 to load side sleeve; 1 5 to fixed electrode; 1 6 to conductive rod ; 1 7 ~ axis; 1 9 ~ rotating shaft; 18, 21, 73, 74, 75, 78 ~ movable electrode · 18a, 18b, 21a, 21b ~ contact blade; 24 ~ drive link; 30, 100, 100A ~ Arc prevention device; 33 to air supply device; 4 0, 11 0 to magnetic plate (grid); 41a, 41b, 111a, 111b to magnetic plate passage; 42a, 42b, 112a, 112b to current restraining portion and slot;

2188-5900-PF(Nl).ptd Page 78 1288941 The drawing briefly illustrates 50, 1 2 0~ arc-proof member; 51, 51b, 76b, 121a, 121b~ arc-proof member passage; 52a, 52b~ connected a groove; 53a, 53b~ a transverse groove constituting a pressure chamber; 70a, 123~ a wall member (arc contact wall); 122a, 122b to a deep groove (deep groove); 123b~ an opening; 122e, 128b~ a taper; ~ spacer holding member; 1 2 5 ~ a concave portion forming a structure along the surface distance; _ 126 ~ diffusion protrusion; ^ 1 2 7 ~ protrusion; 130 ~ support member; 1 3 1 ~ base, 1 3 2 ~ support 134~ support hole for arc-proof member; 1 3 5~insulating wall; 1 4 0~ engaging protrusion; 1 41~ side pulling protrusion; 142~ upper pulling protrusion; φ 1 5 0~ arc Fixing portion; 1 5 1~ fine gap wall; 3 2 4 a~ arc stop wall portion; d 1 to magnetic plate thickness;

2188-5900-PF(Nl).ptd Page 79 1288941

2188-5900-PF(Nl).ptd第80页

Claims (1)

1288941· _ Case No. 92129?, VI. Patent application range of moving electrodes can be Ø arc prevention device, which is formed by magnetic body, and the star is produced by contact with the arc == sex plate, and has insulation and at the same time The arc-shaped member of the synthetic tree having the decomposable gas, and the movable electrode which is alternately disposed in the anti-electric fixed electrode of the arc-proof member passage can be sequentially passed through 2::: when the raw f is open, the passage from the arc member Melon prevention; = ten magnetic plate passage and anti-electrical one movable electrode passage portion, it ία member jt road, for movable electrode = magnetic plate passage and each arc-proof magnetic plate 2 magnetic = path innermost, formed Between the fixed electrode and the movable electrode, the electricity is generated. Each of the electrodes is induced to be in the solid-arc restraint portion during the open circuit, and is fixed on the extension line of the electric arc induction portion induced by the arc, the arc, and the arc induction portion. The deep groove having a small width of the passage of the arc-proof member passage is formed to be exposed to each of the deep-cut rods, the arc-inducing portion, and the arc of the arc in the electric-proof portion. Locking means, wherein an arc along the surface of the member from the upper side 'is provided to ensure that the anti 3. The range of the second patent application: from structure increases. In the above-mentioned arc-proof member, the arc-preventing device of the above-mentioned three-part arc-proof member is provided with a holding device in the above-mentioned arc-proof member, wherein the interval between the steep plates is 1188-5900. -PF2(Nl).ptc Page 81 1288941, --------------- 曰 Amendment VI, the scope of application for patent:: two pieces; the above-mentioned surface distance is increased on the side edge a wall member formed along the surface and the inner surface of the arc-proof member passage and the arc-proof member, a recessed portion; an arc-proof portion of the wall member; a degree of contact with the magnetic plate formed by the holding member; : The protruding height of the surface and the inner surface of the surface and the inner surface. The arc-proof member of the holding member of the holding member 5 is a projecting portion of the side edge portion of the arc-proof member as described in the above-mentioned anti-corrosion member. The side edge portion of the 攸 magnetic plate protrudes from the arc preventing device of the above item 1, wherein the inner edge of the intermediate plate passage makes at least a portion corresponding to the moving electrode passing through the field plate to form a mutual The arc preventing device described in the first aspect of the patent application is in parallel, and the width of the above-mentioned slit is set to a range of 〇5 to 2 mm. - The arc preventing device according to the above item 1, wherein the width of 9 is set to be less than 1.5 mm. 9 The innermost portion of the arc-preventing member passage as described in the scope of claim 4 is formed such that the arc-proof gas pressure is: ==. The arc prevention described in the ninth aspect of the invention is as described above. 11. The arc prevention sounding device according to claim 1, wherein in the middle of the arc-proof member passage, a movement suppression control is provided. 5900-PF2(Nl).ptc VI. Patent application scope The above-mentioned anti-arc decomposition gas is directed to the anti-arc structure. 12. As described in claim 1, the mine is moved by the mouth side. When the thickness of the above magnetic plate is (丨, anti-arc doping prevention device, wherein when the arrangement interval of the arc members is d3, the thickness is formed as d2, and the anti-electric plate is made to be d 1 &lt; d 3 &lt; d 2 Magnetic 13 · a kind of switch, including · a pair of sleeves, on both sides of the body shell - through the support; mainly, the mother phase is relatively continuous through a fixed electrode, is disposed at the inner end of a sleeve; movable electrode, Rotatablely disposed on the fixed electrode to be separable and separated; and the inner end of the sleeve 3, opposite to the inner end of the sleeve as claimed in claim 1 of the patent scope. Set on the upper 14 · an arc prevention device, which is made of a magnetic moving electrode The magnetic plate of the through 35 is formed at the same time, the property, the contact with the arc to produce the = plate, and the synthetic resin arc-proof member having the movable 2 arc as the gas to be dissolved, and the interaction is arranged In the case of the arc-proof member passage, the movable movement direction separated from the fixed electrode is in the open circuit and the arc-proof member passage; and the conversion-form is formed by the slit of the magnetic plate passage at the innermost width of the magnetic plate passage. Forming the innermost portion of the passage portion of the magnetic plate, when an electric arc is provided, the arc induced by the arc embedding; σ' is used to fix the arc induction portion 2188-5900-PF2(Nl).pt 1288941..月曰9212fl?.RR VI. Application for patent range Du, 3 i 最 The innermost part of the arc-proof member passage, shaped by the arc of the * C, forming the circumference from the arc = anti-electric arcing wall &amp; : at the same time as the innermost part of the grooving and the above-mentioned electric arc member passage; =H t said that the deep cut groove and the anti-side side are open. °The arc member passage or the deep cut groove to j: by 1?. Patent application number 1 or 14 The magnetic system described above is formed by an arc-containing preventing device, and the material is formed by a material containing a non-arc steel. 16. The non-scale steel is as described in the patent application scope or the item; The arc member is supported by a U: a holding member is disposed in the opening i of the movable electrode passage. The upper support member includes a base Hi stop fixed to the fixed electrode, the upper portion of the base portion. The arc member is in close contact with the upper portion. In the arc according to item 16 of the patent application, a single or plural insulating garment is formed on the inner surface of the base of the base, and the wall overlaps the lowermost arc-proof member. In the case of the above-mentioned arc-proof member, the mounting portion is provided in the side portion of the arc-proof member, and the engaging projection is inserted from the inside into the supporting member. The part is used to support the hole, thereby preventing the arc from being arc-proofed by the two supporting members. 2188-5900-PF2(Nl).ptc Page 84 1288941 Month Six 皇 Emperor No. 9212Q9 Applicable Patent Range 20. Structure: Layer. &quot;Arc structure = anti-i 2 闵 闵 闵 有 有 有 有 有 有 。 。 。 。 。 。隹丨万冤弧1 · As in the patent application scope 1, in the above-mentioned arc-proof member, "the side history has a ς t 5 melon stop device, spacer spacing device, 蕤 ^ ς, magnetic board and Upper and lower matching. The base of the support member is provided in the base portion of the support member. The switch includes: a power supply side sleeve and a load side sleeve, the phase is relatively through and supported; and the inner end portion of each of the power supply sleeves on the two side walls of the main body peripheral; And the fixed-electrode is disposed on the inner end of the load sleeve, and the solid-state electrode can be joined and separated; and is characterized in that: the electric power side sleeve of the electric power side of the first aspect of the patent scope of the patent application is: The inner end portion; the electric isolation preventing device, which is disposed on the upper pole of the upper rod: the movable electrode is connected to the movable electrode by the driving connection, and the movable electrode is formed by the passage; the passage is formed to allow the movable electrode to pass; Anti-arc component moving electric power S ϊ: The piece will be generated by the movable electrode and the fixed electrode when the moving electrode passing side of the two earth t driving link or the body can be opened. 2188-5900-PF2(Nl).pt Page 85 1288941 _Case No. 92129238_^ Year·Month Revision _6. The arc between the patent applications is pressed into the movable electrode passage. 23. The switch of claim 2, wherein the air blowing member is integrally formed with the drive link. 2188-5900-PF2(Nl).ptc第86页 Page ίο