TWI818443B - 真空閥的製造方法 - Google Patents
真空閥的製造方法 Download PDFInfo
- Publication number
- TWI818443B TWI818443B TW111106291A TW111106291A TWI818443B TW I818443 B TWI818443 B TW I818443B TW 111106291 A TW111106291 A TW 111106291A TW 111106291 A TW111106291 A TW 111106291A TW I818443 B TWI818443 B TW I818443B
- Authority
- TW
- Taiwan
- Prior art keywords
- vacuum valve
- manufacturing
- end plate
- insulating resin
- side end
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 56
- 229920005989 resin Polymers 0.000 claims abstract description 58
- 239000011347 resin Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 44
- 238000000465 moulding Methods 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000001721 transfer moulding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 238000007907 direct compression Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 239000005011 phenolic resin Substances 0.000 claims description 2
- 229920006337 unsaturated polyester resin Polymers 0.000 claims description 2
- 229920001567 vinyl ester resin Polymers 0.000 claims description 2
- 238000005219 brazing Methods 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 9
- 239000004412 Bulk moulding compound Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/72—Encapsulating inserts having non-encapsulated projections, e.g. extremities or terminal portions of electrical components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14639—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles for obtaining an insulating effect, e.g. for electrical components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14336—Coating a portion of the article, e.g. the edge of the article
- B29C2045/14459—Coating a portion of the article, e.g. the edge of the article injecting seal elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/681—Component parts, details or accessories; Auxiliary operations
- B29C70/682—Preformed parts characterised by their structure, e.g. form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0007—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/748—Machines or parts thereof not otherwise provided for
- B29L2031/7506—Valves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Details Of Valves (AREA)
- Compressor (AREA)
Abstract
本發明係以獲致一種低廉之真空閥為目的而提供一種真空閥的製造方法,該真空閥的製造方法係在模具內(12、14)配置真空閥的中間組裝體配置,且將絕緣樹脂材料模製成型於前述中間組裝體之外周而形成絕緣樹脂層(9),該真空閥的中間組裝體係分別將固定側端板(2)及可動側端板(3)硬銲接合於圓筒狀之絕緣容器(1)的兩端而構成;該製造方法係在將絕緣樹脂材料(13)模製於中間組裝體之外周時,以使產生於絕緣容器(1)與固定側端板(2)之硬銲部(10)的荷重比前述硬銲部(10)之容許荷重小的方式,形成固定側端板(2)之外周部的面積。
Description
本發明係關於一種真空閥的製造方法。
以往,為了使真空閥之絕緣性能提升,會採用一種藉由絕緣樹脂對真空閥之外周部進行模製並予以覆蓋,使沿面長度增加而補強真空閥之外周部沿面之絕緣的手法。如上方式以絕緣樹脂對真空閥外周部進行模製之際,必須考慮加壓於真空閥之產生荷重,以往係採用將高溫且呈液狀之絕緣樹脂材料流入至鑄造模具,並藉由冷卻而使樹脂硬化之鑄造(參照例如專利文獻1)。
專利文獻1:日本特開2013-93276號公報
然而,為了以絕緣樹脂對真空閥進行模製而採用之鑄造,雖在製造時對真空閥之產生荷重較少,但必須等待用以形成外周部而流入至模具之高
溫樹脂冷卻為止。因此,為了製造一個真空閥,會有:以鑄造模具為首之製造設備的佔有時間增加,而使製造工期耗費約數小時至一天,製造週期長且製造成本高的課題。
本案係揭示用以解決上述課題之技術者,其目的在於提供一種製造成本低廉之真空閥的製造方法。
本案揭示一種真空閥的製造方法,係在模具內配置真空閥的中間組裝體,且將絕緣樹脂材料模製成型於前述中間組裝體之外周而形成絕緣樹脂層,該真空閥的中間組裝體係分別將固定側端板及可動側端板硬銲接合於圓筒狀之絕緣容器的兩端而形成真空容器,並且於前述真空容器內收納有固定側電極及可動側電極而構成者;該真空閥的製造方法係在將前述絕緣樹脂材料模製於前述中間組裝體之外周時,以使產生於前述絕緣容器與前述固定側端板之硬銲部的荷重比前述硬銲部之容許荷重小的方式,形成前述固定側端板之外周部的面積。
依據本案揭示之真空閥的製造方法,可製造一種可減少因對絕緣樹脂進行模製時之成型壓力而加壓於真空閥之硬銲部的荷重,且使製造週期短且低廉的真空閥。
1:絕緣容器
2:固定側端板
3:可動側端板
4:固定側電極棒
4a:外部拉出端子
5:固定側電極
6:波紋管
7:可動側電極棒
8:可動側電極
9:絕緣樹脂層
10:硬銲部
11:模芯
12:固定側模具(模具)
13:絕緣樹脂材料
14:可動側模具(模具)
15:罩體
20:模芯
21:固定側模具(模具)
22:可動側模具(模具)
23:材料填充罐
24:加壓裝置
30:絕緣樹脂材料
100:真空閥
S:面積
F,F1,F2,F3,F4:荷重
P:成型壓力
圖1係顯示藉由實施型態1之真空閥的製造方法而製造之真空閥整體之構成的剖視圖。
圖2係顯示將圖1之A部予以放大的剖視圖。
圖3A係用以說明實施型態1之真空閥的製造方法的概要圖。
圖3B係用以說明實施型態1之真空閥的製造方法的概要圖。
圖3C係用以說明實施型態1之真空閥的製造方法的概要圖。
圖4係用以說明實施型態1之真空閥之成型時的荷重與外周部之面積之關係的概要圖及特性圖。
圖5係顯示藉由實施型態2之真空閥的製造方法而製造之真空閥整體之構成的剖視圖。
圖6係將圖5之B部予以放大的剖視圖。
圖7係圖6之要部立體圖。
圖8A係顯示實施型態3之真空閥的製造方法中之製造過程的剖視圖。
圖8B係將圖8A之製造過程中之一部分切斷而顯示的立體圖。
圖9係顯示實施型態3之真空閥的製造方法中之其他製造過程之例的剖視圖。
圖10係顯示實施型態3之真空閥的製造方法中之其他製造過程之例的剖視圖。
圖11係顯示實施型態3之真空閥的製造方法中之其他製造過程之例的剖視圖。
圖12A係用以說明實施型態4之真空閥的製造方法的概要圖。
圖12B係用以說明實施型態4之真空閥的製造方法的概要圖。
圖12C係用以說明實施型態4之真空閥的製造方法的概要圖。
圖13係顯示在實施型態3及4之真空閥的製造方法中產生於要部之荷重之變化的時序圖。
實施型態1
以下,針對本案之真空閥的製造方法,利用圖式進行說明。此外,在各圖中,針對相同或相當部分標記相同符號。
圖1係顯示藉由實施型態1之真空閥的製造方法而製造之真空閥整體之構成的剖視圖,圖2係顯示將圖1之A部予以放大的剖視圖。
在圖1中,真空閥100之構成係具備:由陶瓷等所構成的圓筒狀之絕緣容器1;被硬銲接合於絕緣容器1之兩端的固定側端板2及可動側端板3;固定於固定側端板2的固定側電極棒4;固定於固定側電極棒4之端部,且配置在絕緣容器1內的固定側電極5;經由波紋管(bellows)6以可接觸滑動之方式被支持在可動側端板3的可動側電極棒7;接合於可動側電極棒7之端部,且配置在絕緣容器1內的可動側電極8;以及對以BMC(Bulk Molding Compound(團狀塑模料):不飽和聚酯)材料為主材之絕緣樹脂材料進行模製成型而形成在外周的絕緣樹脂層9。
此外,絕緣容器1係藉由硬銲而接合在固定側端板2及可動側端板3而形成密閉之真空容器,如圖2所示,在該接合部中形成有屬於通常為μm等級之薄金屬膜的硬銲部10。並且,固定側電極5與可動側電極8係構成為:在絕緣容
器1內部朝軸方向彼此相對向地配置,且可隨著可動側電極8之移動而與固定側電極5分離接合。
利用圖3A、圖3B、圖3C說明藉由直壓成型來製造該種真空閥100之絕緣樹脂層9的步驟。
首先,如圖3A所示,分別將固定側端板2及可動側端板3硬銲接合在圓筒狀之絕緣容器1的兩端而形成真空容器,並且在真空容器內收納固定側電極5及可動側電極8而組裝真空閥的中間組裝體,將模芯11組裝至該中間組裝體並配置於成型用之固定側模具12,並且以半硬化狀態將以BMC材料為主材之絕緣樹脂材料13配置在中間組裝體中之絕緣容器1的上部。
接著,如圖3B所示,使可動側模具14移動,且對絕緣樹脂材料13進行按壓並使之流動。
最後,如圖3C所示,當使可動側模具14移動至最後位置時,絕緣樹脂材料13會被填充於中間組裝體之外周,之後使絕緣樹脂材料13硬化,藉此可製造於外周形成有絕緣樹脂層9之真空閥100。
順帶一提,在將絕緣樹脂材料13填充於組裝體之外周之際,BMC材雖需要有高成型壓力(約10兆帕),惟若成型壓力P過大,則會有使真空閥100之硬銲部10造成損傷之疑慮,因此必須將產生於硬銲部10之荷重F1及硬銲部10的容許荷重F2之關係設定在F1<F2。
在此,因成型壓力P所產生之荷重F1係與固定側端板2及可動側端板3之外周部的面積S成正比,因此如圖4顯示因成型壓力P所產生之荷重F與面積S之關係,以使面積S成為F1<F2之方式構成固定側端板2及可動側端板3,藉
此可防止硬銲部10之損傷,並且可製造藉由直壓成型對外周部進行模製的真空閥100。
實施型態2
圖5係顯示藉由實施型態2之真空閥的製造方法而製造之真空閥整體之構成的剖視圖。圖6係將圖5之B部予以放大的剖視圖。圖7係圖6之要部立體圖。
在實施型態2中,以覆蓋固定側端板2之方式配置圖7所示之由杯狀之導電性構件所構成之罩體15,並且以絕緣樹脂材料13對中間組裝體之整體進行模製而形成絕緣樹脂層9者。其他構成係與實施型態1相同,針對相同或相當之部分標記相同符號並省略其說明。
如上方式,藉由配置由杯狀之導電性構件所構成之罩體15並對絕緣樹脂材料13進行模製,即可減少在成型時產生之對硬銲部10造成的負荷,並且可增加真空閥100之構成的自由度。
再者,由杯狀之導電性構件所構成的罩體15係由於緩和硬銲部10中之電場集中,因此可使真空閥100之絕緣耐力更提升。
實施型態3
圖8A係顯示實施型態3之真空閥的製造方法中之製造過程的剖視圖。圖8B係將圖8A之製造過程中之一部分切斷而顯示的立體圖。
在真空閥100中,由於必須在可動側確保可動側電極棒7之可動空間,因此無法對可動側端板3之全外周進行模製。因此,在真空閥之軸方向,中間組裝體所被模製的投影面積係可動側會少於固定側,在成型時產生在中間組裝體之荷重,係固定側>可動側。
因此,當以連結在固定側端板2及固定側電極棒4之外部拉出端子4a來承受成型時之軸方向的壓力時,會由固定側端板2承受所有之荷重,而會產生變形之疑慮。因此,如圖8A、圖8B所示,藉由以模具12、14之模芯11從圓周方向支持絕緣容器1,且在該狀態下填充絕緣樹脂材料13,即可減少產生在固定側端板2之軸方向的荷重,且可避免因成型所造成之硬銲部10的損傷。
此外,圖9、圖10、圖11係顯示實施型態3之真空閥的製造方法中之其他製造過程之例的剖視圖,圖9係顯示藉由模芯11之前端從軸方向支持絕緣容器1之例。並且,圖10係從圓周方向支持可動側端板3之例,並且,圖11係顯示從軸方向支持可動側端板3之例,在上述任一種情形下,皆可減少產生在固定側端板2之軸方向的荷重。
實施型態4
圖12A、圖12B及圖12C係用以說明實施型態4之真空閥的製造方法之概要圖,且顯示採用轉注成型時之製造過程。再者,圖13係顯示在實施型態4之真空閥的製造方法中產生於要部之荷重之變化的時序圖。
首先,如圖12A所示,在將模芯20安裝成支持真空閥之中間組裝體中之可動側端板3的圓周方向的狀態,配置於在預熱之固定側模具21與可動側模具22之間,且在可動側模具22之材料填充罐23設置經預熱之以BMC材料為主材的絕緣樹脂材料30。
接著,如圖12B所示,使加壓裝置24移動而將絕緣樹脂材料30注入於模具21、22內,最後如圖12C所示,使加壓裝置24移動至最終位置並將絕緣樹脂材料30填充於中間組裝體及模芯20之外周。
然後,使絕緣樹脂材料30硬化,藉此即可製造一種在真空閥之中間組裝體外周形成絕緣樹脂層9之真空閥100。
在該種轉注成型中,在藉由對模具21、22預先進行預熱而被預熱之絕緣樹脂材料30流動於模具21、22內之際,會被進一步加熱而成為凝膠狀,且絕緣樹脂材料30之黏性會降低。因此,如圖13所示,施加於真空閥之中間組裝體的壓力會在填充中減小,而可使產生於硬銲部10之荷重F4減小。
再者,填充至成型用模具之絕緣樹脂材料30的位置或注入速度等成型條件,係由模具之構造及成型設備之控制而決定,因此可容易地進行成型條件之控制,且可控制產生於硬銲部之荷重F4的變異。
因此,可製造品質更穩定之真空閥100。
此外,如圖13顯示實施型態1中之產生於硬銲部10之荷重F3,在直壓成型中,由於係由作業者進行絕緣樹脂材料之安裝,因此作業容易產生變異,特別是依硬化狀態之絕緣樹脂材料30的配置,雖有施加於中間組裝體之壓力部位及時間點之變異變大,且變異亦會隨著產生於硬銲部10之荷重F3變大而變大的疑慮,惟依據轉注成型,有成型條件之控制變得容易的優點。
再者,在上述實施型態4中,雖構成為藉由轉注成型方法而形成絕緣樹脂層9,惟亦可構成為藉由射出成型方法來形成絕緣樹脂層9。
並且,在上述實施型態中,就絕緣樹脂材料而言,雖係構成為利用以不飽和聚酯樹脂為主材之絕緣樹脂材料來形成絕緣樹脂層,惟亦可採用酚樹脂、乙烯酯樹脂、丙烯酸樹脂之任一者作為主材。
並且,藉由包含主材20至30%、作為強化纖維之玻璃纖維、碳纖維、醯胺纖維、聚乙烯纖維、基綸纖維或硼纖維15至20%、及作為填充劑之碳酸鈣、氫氧化鋁或矽酸鹽50至60%的絕緣樹脂材料,來形成絕緣樹脂層。
此外,本案記載例示之實施型態,惟各式各樣之特徵、態樣、及功能並非限定於特定之實施型態的運用,亦可單獨地或以各種組合運用於實施型態。
因此,可於本案揭示之技術範圍內設想未例示之無數的變形例。例如,包含要變更至少一個構成要素之情形,追加至少一個構成要素之情形,或省略至少一個構成要素之情形,更包含有抽出至少一個構成要素,且與其他實施型態之構成要素組合之情形。
1:絕緣容器
11:模芯
12:固定側模具(模具)
13:絕緣樹脂材料
14:可動側模具(模具)
Claims (7)
- 一種真空閥的製造方法,係在模具內配置真空閥的中間組裝體,且將絕緣樹脂材料模製成型於前述中間組裝體之外周而形成絕緣樹脂層,該真空閥的中間組裝體係分別將固定側端板及可動側端板硬銲接合於圓筒狀之絕緣容器的兩端而形成真空容器,並且於前述真空容器內收納有固定側電極及可動側電極而構成者, 該真空閥的製造方法係在將前述絕緣樹脂材料模製於前述中間組裝體之外周時,以使產生於前述絕緣容器與前述固定側端板之硬銲部的荷重比前述硬銲部之容許荷重小的方式,形成前述固定側端板之外周部的面積。
- 如請求項1所述之真空閥的製造方法,其中,係採用直壓成型或轉注成型或射出成型作為形成前述絕緣樹脂層之模製成型方法。
- 如請求項1或2所述之真空閥的製造方法,其中,在藉由模芯來支持前述絕緣容器中之可動側端板側的一部分或前述可動側端板的狀態下,將絕緣樹脂材料填充於前述中間組裝體之外周,以形成絕緣樹脂層。
- 如請求項1或2所述之真空閥的製造方法,其中,係採用以不飽和聚酯樹脂、乙烯酯樹脂、酚樹脂、丙烯酸樹脂之任一者為主材的絕緣樹脂作為前述絕緣樹脂材料。
- 如請求項1或2所述之真空閥的製造方法,其中,更設置用以覆蓋前述固定側端板之外周部的罩體,以形成前述中間組裝體。
- 如請求項3所述之真空閥的製造方法,其中,更設置用以覆蓋前述固定側端板之外周部的罩體,以形成前述中間組裝體。
- 如請求項5所述之真空閥的製造方法,其中,以導電性構件來形成前述罩體。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
WOPCT/JP2021/025310 | 2021-07-05 | ||
PCT/JP2021/025310 WO2023281574A1 (ja) | 2021-07-05 | 2021-07-05 | 真空バルブの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW202303022A TW202303022A (zh) | 2023-01-16 |
TWI818443B true TWI818443B (zh) | 2023-10-11 |
Family
ID=84801446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW111106291A TWI818443B (zh) | 2021-07-05 | 2022-02-22 | 真空閥的製造方法 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP7433531B2 (zh) |
KR (1) | KR20240000558A (zh) |
CN (1) | CN117546262A (zh) |
DE (1) | DE112021007922T5 (zh) |
TW (1) | TWI818443B (zh) |
WO (1) | WO2023281574A1 (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001160342A (ja) * | 1999-12-01 | 2001-06-12 | Toshiba Corp | スイッチギヤとその製造方法 |
JP2020198278A (ja) * | 2019-06-05 | 2020-12-10 | 株式会社東芝 | 真空バルブ、スイッチギヤおよび真空バルブの製造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3758435B2 (ja) | 1999-12-13 | 2006-03-22 | 三菱電機株式会社 | 電力開閉器 |
JP2003187078A (ja) * | 2001-12-17 | 2003-07-04 | Nippon Telegraph & Telephone West Corp | 株情報表示システム及び方法ならびにプログラム |
JP2003187678A (ja) | 2001-12-21 | 2003-07-04 | Mitsubishi Electric Corp | 真空バルブ及び真空バルブの製造方法 |
JP5746515B2 (ja) | 2011-02-14 | 2015-07-08 | 株式会社東芝 | モールド真空バルブおよびその製造方法 |
JP5971676B2 (ja) | 2011-10-27 | 2016-08-17 | 株式会社東芝 | 真空遮断器 |
-
2021
- 2021-07-05 WO PCT/JP2021/025310 patent/WO2023281574A1/ja active Application Filing
- 2021-07-05 CN CN202180099783.1A patent/CN117546262A/zh active Pending
- 2021-07-05 JP JP2023532873A patent/JP7433531B2/ja active Active
- 2021-07-05 KR KR1020237040123A patent/KR20240000558A/ko active Search and Examination
- 2021-07-05 DE DE112021007922.0T patent/DE112021007922T5/de active Pending
-
2022
- 2022-02-22 TW TW111106291A patent/TWI818443B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001160342A (ja) * | 1999-12-01 | 2001-06-12 | Toshiba Corp | スイッチギヤとその製造方法 |
JP2020198278A (ja) * | 2019-06-05 | 2020-12-10 | 株式会社東芝 | 真空バルブ、スイッチギヤおよび真空バルブの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JP7433531B2 (ja) | 2024-02-19 |
WO2023281574A1 (ja) | 2023-01-12 |
DE112021007922T5 (de) | 2024-04-18 |
KR20240000558A (ko) | 2024-01-02 |
CN117546262A (zh) | 2024-02-09 |
TW202303022A (zh) | 2023-01-16 |
JPWO2023281574A1 (zh) | 2023-01-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4730367B2 (ja) | 分割固定子製造方法 | |
KR101062078B1 (ko) | 분할 고정자 제조 방법 | |
US8881362B2 (en) | Stator manufacturing method and stator | |
JP5329202B2 (ja) | モールドコイルの製造方法 | |
JP4730847B2 (ja) | モールドコイルの製造方法 | |
JP4976554B2 (ja) | 中圧スイッチング装置の極部材を製造する方法及び極部材 | |
JP2009267350A (ja) | モールドコイルの製造方法 | |
TWI818443B (zh) | 真空閥的製造方法 | |
WO2019235368A1 (ja) | リアクトル | |
JP4768401B2 (ja) | 樹脂注型金型 | |
JP5746515B2 (ja) | モールド真空バルブおよびその製造方法 | |
KR100564045B1 (ko) | 내연 기관용 점화 코일 및 그 제조 방법 | |
JP2009039955A (ja) | 複合材料の成形方法 | |
JP4319571B2 (ja) | 樹脂モールド真空バルブおよびその製造方法 | |
KR101362861B1 (ko) | 몰드 진공 밸브, 그 제조 방법 및 수지 주형 금형 | |
JPH05315126A (ja) | モールドコイルおよびその製造法 | |
JPH0710486Y2 (ja) | モールドコイル | |
JP7435324B2 (ja) | 磁気部品およびその製造方法 | |
CN209607659U (zh) | 一种固封极柱 | |
JP2000032717A (ja) | 中空電線を用いたコイル絶縁層の硬化方法 | |
JPH02123714A (ja) | チョークコイル | |
JPS5858853A (ja) | モ−ルド絶縁法 | |
JP2013128011A (ja) | コイル製造方法 | |
JPH0231654B2 (ja) | Jushiseizetsuenshijibutsunochugatagata | |
JP2000218633A (ja) | 注型金型 |