TW201013714A - Reactor unit - Google Patents

Reactor unit Download PDF

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Publication number
TW201013714A
TW201013714A TW098127592A TW98127592A TW201013714A TW 201013714 A TW201013714 A TW 201013714A TW 098127592 A TW098127592 A TW 098127592A TW 98127592 A TW98127592 A TW 98127592A TW 201013714 A TW201013714 A TW 201013714A
Authority
TW
Taiwan
Prior art keywords
reactor unit
crimping portion
crimping
wire
winding coil
Prior art date
Application number
TW098127592A
Other languages
Chinese (zh)
Other versions
TWI431647B (en
Inventor
Shinsuke Yanagi
Shigeru Matsuo
Original Assignee
Panasonic Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of TW201013714A publication Critical patent/TW201013714A/en
Application granted granted Critical
Publication of TWI431647B publication Critical patent/TWI431647B/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H01F27/2828—Construction of conductive connections, of leads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F37/00—Fixed inductances not covered by group H01F17/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/16—End pieces terminating in a soldering tip or socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/029—Welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/70—Insulation of connections
    • H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/187—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping combined with soldering or welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

A reactor unit includes a winding coil having aluminum wires wound around an iron core, and a copper-made electric terminal connected to end parts of the winding coil, in which the electric terminal has a pressing and connecting part for pressing and connecting aluminum wires of the winding coil at one end, and a welding part of a nearly flat shape at other end, so that the electrical connection between dissimilar materials is realized at low cost and high reliability.

Description

201013714 六、發明說明： 【發明戶斤屬之技術領城】 發明領域 本發明係有關於一種使用在電機、電子儀器中的反應 器等具有使用鋁線之捲線線圈與銅線之電連接機構的反應 器單元。 【先前技術；j 發明背景 ❹ 第5圖係具有習知的捲線線圈與銅線之電連接機構的 反應器之正視圖。 如第5圖所示’於鐵製之台座1上裝設有鐵製之鐵心芯 部2 ’且於鐵心芯部2裝設有捲線線圈*，該捲線線圈4係捲 裝有業已於表面燒結搪瓷薄膜之鋁線3。又，反應器全體係 進行清漆浸透。捲線線圈4之材質係藉由鋁線3所構成，由 於銘線3可構成比銅線更廉價，因此近年來大多使用在反應 φ 器等的捲線中。 又’除去紹線3於捲線線圈4之捲繞起點與捲繞終點之 搪瓷部’且鋁芯線5係藉由焊料7焊接於另外設置之銅製電 端子6。 於前述構造中，自外部朝反應器8之電源輸入係藉由將 業已與導線等連接之焊片端子等插入電端子6來進行。 然而，於習知鋁材質之捲線線圈與銅線之電連接機構 之構造中，一般的焊料並無法將鋁線固定在鋼製電端子， 因此必須使用銘線專用之焊料。依此，會構成比一般的焊 3 201013714 料更高成本，且會有必須進行困難之作業等問題。 又，因來自捲線線圈之發熱傳送至端子而於電端子施 加熱應力時，由於鋁與銅之熱膨脹係數之不同，於焊料部 會含有裂紋且容易構成接觸不良，因此會有在可靠性方面 上有所不安之問題。 先行技術文獻 〔專利文獻〕 〔專利文獻1〕日本專利公開公報特開平7_22258號公報 【發明内容3 發明概要 本發明係解決習知問題，目的在提供一種反應器單 元，其係具有使用鋁線之捲線線圈與銅線之電連接部者， 又，對於連接部之環境溫度之急遽變化不會構成接觸不 良，且廉價而可靠性高。 為了解決前述問題，本發明之反應器單元係構成為包 含有：捲線線圈，係將鋁線盤繞在鐵製鐵心者；及銅製電 端子，係與捲線線圈之端部連接者，又，電端子係於一端 具有壓接連接捲線線圈之鋁線的壓接部，於另一端具有略 呈平面形狀之熔接部。 藉此’可實現一種反應器單元，其係具有廉價且擁有 即使對於環境溫度之急遽變化亦不會構成接觸不良之可靠 性的捲線線圈與銅線之電連接機構。 圖式簡單說明 第1圖係於本發明之實施形態1中的反應器單元之截面 201013714 圖。 第2圖係同反顏單元之正視圖。 第3A圖係同反應器單元之連接部之側視放大圖。 第3B圖係同反應器單元之連接部之正視放大圖。 第3C圖係同反應器單元之連接部之冗—3C截面圖。 第3D圖係同反應器單元之連接部之扣―犯截面圖。 第4圖係同反顧單元之電特性圖形。 © f 5圖係具有習知的捲線__線之電連接部的反 應器之正視圖。 【實施方式】 用以實施發明之形態 (實施形態1) 針對本實施形態，利用第1至4圖說明反應器單元，且 該反應器單元係以反相器控制之洗衣機等的高次諧波電流 <抑制或功率g子改善為目的，並具有使用纟呂線之捲線線 © _與電源輸人収銅狀f連接部。另，本發明並不限於 1 亥實施形態。 第1圖係顯示於本發明之實施形態丨中的反應器單元之 幾面圖。如第1圖所示，將捲裝有業已於表面燒結搪瓷薄犋 之鋁線的捲線線圈10自上部嵌入E型芯部9,且該E型芯部9 係積層、溶接有業已藉由壓製加工模具穿孔成字母符號之它 型形狀的薄板電磁鋼板。積層、熔接有業已藉由壓製加工 模具穿孔成子母符號之I型形狀的薄板電磁鋼板之〗型芯部 U係載置於E型芯部9上，且藉由熔接構件12，將外周之接 201013714 觸側面進行熔接固定。 又，為了可螺絲固定於洗衣機等之應用機器，E型芯部 9係藉由熔接構件12熔接固定於鐵製之台座13。 又，捲線線圈10之外周部係捲裝有絕緣用之絕緣帶15。 反應器全體係於完成所有熔接固定之程序後進行清漆 浸透。清漆浸透之目的係E型芯部9及I型芯部11之鐵心之防 鏽、磁致伸縮音之抑制、線圈絕緣膠帶之防濕等。 第2圖係顯示同反應器單元之正視圖。如第2圖所示， 捲裝有銘線18之捲線線圈係裝設於藉由E型芯部9及I型 芯部11所形成之鐵製鐵心16。又，除去鋁線18於捲線線圈 10之捲繞起點與捲繞終點之搪瓷部，並露出銘線18之銘芯 線19約10mm ’且壓接固定於銅製電端子17之壓接部25 ’並 構成反應器單元14。 又，於電端子17之另一側之相對面側，用以將電源供 給至反應器之附連接器22的銅製導線21之芯線係藉由點熔 接，熔接固定於電端子17之略呈平面形狀之熔接部He。 鋁芯線19與銅製電端子17之接合部20係由於構成鋁與 銅之異種金屬之連接’因此會產生電位差，故，在附著有 水或濕氣時會引起電蝕現象，且可能會增加接觸阻力。依 此，藉由利用刷子等來塗布石夕樹脂23，且至少完全地遮蓋 異種金屬之接觸部，而可適當地保持電連接。 另’於接合部20之外周包覆可藉由照射高溫而收縮之 熱收縮管24作為絕緣用帶，藉此，可進一步地提高防水效 果。 201013714 第3圖係顯不連接部之洋情圖。第3A圖係顯示連接部之 側視放大圖，第3B圖係顯示連接部之正視放大圖，第3c圖 係顯示第3A圖之3C —3C截面圖，第3D圖係顯示第3A圖之 3D — 3D載面圖。 如第3A及3B圖所示，在將鋁線18之銘芯線19壓接於電 端子17時，進行壓接高度低之第一壓接部17a與壓接高度高 之第二壓接部17b之二段壓接。 如第3C及3D圖所示’3C — 3C截面係顯示壓接高度低之 第一壓接部17a，且壓接高度為AA，相對於此，3D — 3D截 面係顯示壓接高度高之第二壓接部17b，且壓接高度為△ B。即，端子端部30係改變壓接高度而進行加工，使壓接高 度構成△Α<ΔΒ。 於3C —3C截面之第一壓接部17a中，在内部之鋁芯線19 壓縮變形之程度下，對端子端部3〇施行彎曲加工，相對於 此，於3D —3D截面之第二壓接部17b中，在内部之鋁芯線 19不會產生塑性變形之程度下，對端子端部3〇施行彎曲加 工。 一般而言，鋁線係與銅線不同且表面硬度軟，因此， 於壓接時，鋁本身會藉由應力而伸展，因而會塑性變形， 故，要滿足於壓接固定中所必須之接觸阻力之安定與拉伸 強度之確保兩者是困難的。對於此種問題，實施形態“系劃 分壓接尚度，且於3C —3C載面之第一壓接部17a中使接觸陴 力安定，於3D_3D截面之第二壓接部17b中確保拉伸強 度，藉此，劃分對連接之作用而進行壓接。 7 201013714 電端子17之銘線18之相對側係用以藉由點溶接將銅製 導線21接合於電端子Π之熔接部17〇。 由於該熔接部17c係相同之鋼材質之熔接，因此無熱膨 脹係數之不同’故，接合部20對溫度變化之耐久性高。 第4圖係顯示於實施形態1中所示之反應器單元之電特 性圖形。電特性圖形係橫轴表示壓接部之壓接高度，縱軸 表示壓接部之電接觸阻力值。如第4圖所示，在壓接例如φ 2.0mm之鋁線時，接觸阻力值在壓接高度值從約18mm到約 2.3mm時為約〇.2ιηΩ以下而安定，然而，若壓接高度值構 ® 成約2.3mm以上，則接觸阻力會逐漸地增加。 即，在鋁芯線強烈地壓縮而塑性變形時，接觸阻力低 而安定，然而，對於脫出之拉伸強度會降低。 又’同樣地，拉伸強度在壓接高度值從約1.8mm到約 2.3mm時，拉伸強度會逐漸地增強，在壓接高度值從約 2.3mm到約2.6mm時，拉伸強度係約3〇〇N/m2以上而安定。 依此’若為了使接觸阻力安定而以壓接高度值為 1.9mm至2.1mm來壓接第一壓接部na，且為了確保拉伸強 參 度而以壓接高度值為2.4mm至2.6mm來壓接固定第二壓接 部17b，則可滿足接觸阻力、拉伸強度兩者。 如前所述’於實施形態1中，將捲線線圈10之鋁線18壓 接於銅材質之電端子17而固定異種材質，藉此，構成反應 器單元14，且將銅線21與銅材質之電端子17進行同材質之 點熔接’藉此，可實現一種反應器單元，其係具有廉價且 需要即使對於環境溫度之急遽變化亦不會構成接觸不良之 8 201013714 充刀可靠性的紹捲線線圈與銅線之電連接部。 又’藉由改變第一壓接部17a與第二壓接部17b之壓接 時之壓接局度’可同時地使壓接部25之拉伸強度與接觸阻 力安定’因此’即使對於長期變化，亦可確保充分之性能， 並進一步地提升可靠性。 又’藉由石夕樹脂於鋁材質與銅材質之接觸面施行防水 處理，成者包覆可藉由接觸高溫而收縮之熱收縮管並進行 0 防水處理，藉此，可防止於異種金屬間所發生之電蝕，並 進一步地提升可靠性。 【圖或簡單說明】 第1圖係於本發明之實施形態j中的反應器單元之截面 圖。 第2圖係同反應器單元之正視圖。 第3A圖係同反應器單元之連接部之側視放大圖。 第3B圖係同反應器單元之連接部之正視放大圖。 H 第3C圖係同反應器單元之連接部之3(：_3(；：截面圖。 第3D圖係同反應器單元之連接部之3D_3D截面圖。 第4圖係同反應器單元之電特性圖形。 第5圖係具有各知的捲線線圈與銅線之電連接部的反 應器之；視圖。 【主要元件符號說明】 卜13…合座 4 ’ 1〇…捲線線圈 2...鐵心芯部 5，19…紹芯線 3 ’ 18…銘線 6，17...電端子 9 201013714 7.. .焊料 8.. .反應器 9.. .E型芯部 11.. .1.芯部 12.. .熔接構件 14.. .反應器單元 15.. .絕緣帶 16···鐵製鐵心 17a...第一壓接部 17b...第二壓接部 17c...熔接部 20.. .接合部 21.. .銅製導線 22.. .連接器 23.. .矽樹脂 24.. .熱收縮管 25.. .壓接部 30.. .端子端部 △A，ΛΒ...壓接高度201013714 VI. Description of the Invention: [Technical Guide for Inventing Households] Field of the Invention The present invention relates to a reactor for use in a motor or an electronic instrument, such as a reactor having an aluminum wire and a copper wire. Reactor unit. [Prior Art; j Background of the Invention] Fig. 5 is a front view of a reactor having a conventional electrical connection mechanism of a winding coil and a copper wire. As shown in Fig. 5, the iron core portion 2 is mounted on the pedestal 1 made of iron, and the winding core coil 2 is mounted on the core portion 2, and the winding coil 4 is wound on the surface. Aluminum wire 3 of enamel film. Further, the entire system of the reactor was immersed in varnish. The material of the winding coil 4 is composed of the aluminum wire 3, and since the wire 3 can be made cheaper than the copper wire, it has been used in many cases in the winding of a reaction φ device or the like. Further, the enamel portion 3 of the winding line 4 at the winding start point and the winding end point is removed, and the aluminum core wire 5 is soldered to the separately provided copper electric terminal 6 by the solder 7. In the above configuration, the power input from the outside to the reactor 8 is performed by inserting a solder terminal or the like which has been connected to a wire or the like into the electrical terminal 6. However, in the structure of the electrical connection mechanism of the coiled coil of the aluminum material and the copper wire, the general solder does not fix the aluminum wire to the electrical terminal of the steel, and therefore it is necessary to use the solder for the special wire. Accordingly, it will constitute a higher cost than the general welding 3 201013714 material, and there will be problems such as having to perform difficult work. Further, when heat is transmitted from the winding coil to the terminal and thermal stress is applied to the electrical terminal, the thermal expansion coefficient of aluminum and copper may cause cracks in the solder portion and may easily cause contact failure, so that reliability may be obtained. Something is uneasy. The prior art document [Patent Document 1] [Patent Document 1] Japanese Patent Laid-Open Publication No. Hei 7-22258. SUMMARY OF THE INVENTION The present invention is to solve the conventional problems, and an object of the invention is to provide a reactor unit having an aluminum wire. The electrical connection between the winding coil and the copper wire does not cause a contact failure in the rapid change in the ambient temperature of the connection portion, and is inexpensive and highly reliable. In order to solve the above problems, the reactor unit of the present invention is configured to include a coiled coil in which an aluminum wire is wound around an iron core, and a copper electrical terminal connected to an end of the winding coil, and an electric terminal. A crimping portion having an aluminum wire crimped to the wound coil at one end and a slightly planar welded portion at the other end. By this, it is possible to realize a reactor unit which is inexpensive and has an electrical connection mechanism for a winding coil and a copper wire which does not constitute a reliability of contact failure even in the case of a rapid change in the ambient temperature. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross-sectional view of a reactor unit in Embodiment 1 of the present invention 201013714. Figure 2 is a front view of the same reverse unit. Figure 3A is a side elevational view of the connection of the reactor unit. Figure 3B is a front elevational view of the connection of the reactor unit. Figure 3C is a redundant 3C cross-sectional view of the junction with the reactor unit. The 3D figure is a cross-sectional view of the connection of the reactor unit. Figure 4 is a graphical representation of the electrical characteristics of the unit. The f f diagram is a front view of a reactor having a conventional electrical connection of the winding wire __ wire. [Embodiment] Embodiments for carrying out the invention (Embodiment 1) In the present embodiment, the reactor unit is described with reference to Figs. 1 to 4, and the reactor unit is a higher harmonic of a washing machine or the like controlled by an inverter. The current < suppression or power g sub-improvement is for the purpose, and has a winding wire using the 纟 线 line © _ and a power supply input copper connection f. Further, the present invention is not limited to the embodiment of the invention. Fig. 1 is a plan view showing a plurality of reactor units in an embodiment of the present invention. As shown in Fig. 1, the winding coil 10 in which the aluminum wire which has been sintered on the surface of the enamel is wound is embedded in the E-shaped core portion 9 from the upper portion, and the E-shaped core portion 9 is laminated and melted by pressing. A thin-plate electromagnetic steel sheet of the shape in which the processing die is pierced into an alphabetic symbol. The core U of the thin-plate electromagnetic steel plate having the I-shape which has been pierced into the mother-and-mother symbol by the press-molding die is placed on the E-shaped core portion 9, and the outer periphery is joined by the welded member 12 201013714 The side of the contact is welded and fixed. Further, in order to be screw-fastened to an application machine such as a washing machine, the E-shaped core portion 9 is welded and fixed to the pedestal 13 made of iron by the welding member 12. Further, an insulating tape 15 for insulation is wound around the outer peripheral portion of the winding coil 10. The entire system of the reactor was immersed in varnish after all the procedures for the fusion fixation were completed. The purpose of the varnish impregnation is to prevent rust of the core of the E-core portion 9 and the I-core portion 11, suppress the magnetostrictive sound, and prevent moisture of the coil insulating tape. Figure 2 shows a front view of the same reactor unit. As shown in Fig. 2, the winding coil in which the ingot 18 is wound is attached to the iron core 16 formed by the E core portion 9 and the I core portion 11. Further, the aluminum wire 18 is removed from the enamel portion of the winding start point and the winding end point of the winding coil 10, and the Ming core wire 19 of the Ming wire 18 is exposed to be about 10 mm' and crimped and fixed to the crimping portion 25' of the copper electrical terminal 17. The reactor unit 14 is constructed. Further, on the opposite side of the other side of the electrical terminal 17, the core wire of the copper wire 21 for supplying power to the connector 22 of the reactor is welded to the slightly flat surface of the electrical terminal 17 by spot welding. The shape of the weld He. The joint portion 20 of the aluminum core wire 19 and the copper electrical terminal 17 is formed by the connection of the dissimilar metal of aluminum and copper. Therefore, a potential difference is generated, so that electric corrosion may occur when water or moisture adheres, and contact may be increased. resistance. Accordingly, the coating is applied by using a brush or the like, and at least the contact portion of the dissimilar metal is completely covered, whereby the electrical connection can be appropriately maintained. Further, the heat-shrinkable tube 24 which can be shrunk by irradiation with a high temperature is coated on the outer circumference of the joint portion 20 as an insulating tape, whereby the waterproof effect can be further improved. 201013714 The third picture shows the foreign map of the unconnected part. Fig. 3A is a side enlarged view showing the connecting portion, Fig. 3B is a front enlarged view showing the connecting portion, Fig. 3c is a 3C-3C sectional view showing Fig. 3A, and Fig. 3D is showing 3D of Fig. 3A. — 3D surface map. As shown in FIGS. 3A and 3B, when the first core wire 19 of the aluminum wire 18 is crimped to the electrical terminal 17, the first crimping portion 17a having a low crimping height and the second crimping portion 17b having a high crimping height are formed. The second section is crimped. As shown in the 3C and 3D drawings, the '3C-3C cross-section shows the first crimping portion 17a having a low crimping height, and the crimping height is AA. In contrast, the 3D-3D cross-section shows a high crimping height. The second crimping portion 17b has a crimping height of ΔB. That is, the terminal end portion 30 is processed by changing the pressure contact height so that the pressure contact height constitutes ΔΑ <ΔΒ. In the first crimping portion 17a of the 3C-3C cross section, the terminal end portion 3〇 is bent at a degree of compression deformation of the inner aluminum core wire 19, whereas the second crimping portion of the 3D-3D cross section is performed. In the portion 17b, the terminal end portion 3 is subjected to bending processing to the extent that the inner aluminum core wire 19 is not plastically deformed. In general, the aluminum wire is different from the copper wire and has a soft surface hardness. Therefore, when crimping, the aluminum itself is stretched by stress, and thus plastically deforms, so it is necessary to satisfy the contact necessary for crimping and fixing. Both the stability of the resistance and the assurance of the tensile strength are difficult. With respect to such a problem, the embodiment "divides the crimping degree, and the contact pressure is stabilized in the first crimping portion 17a of the 3C-3C carrier surface, and the stretching is ensured in the second crimping portion 17b of the 3D_3D section. The strength, whereby the division is pressed for the action of the connection. 7 201013714 The opposite side of the terminal 18 of the electrical terminal 17 is used to bond the copper wire 21 to the welded portion 17 of the electrical terminal by point fusion. Since the welded portion 17c is welded by the same steel material, there is no difference in thermal expansion coefficient. Therefore, the joint portion 20 has high durability against temperature change. Fig. 4 shows the electric power of the reactor unit shown in the first embodiment. Characteristic graph: The horizontal characteristic axis indicates the crimping height of the crimping portion, and the vertical axis indicates the electrical contact resistance value of the crimping portion. As shown in Fig. 4, when crimping an aluminum wire of, for example, φ 2.0 mm, contact The resistance value is stabilized below about 2.2ιηΩ when the crimp height value is from about 18 mm to about 2.3 mm, however, if the crimp height value is about 2.3 mm or more, the contact resistance is gradually increased. When the core wire is strongly compressed and plastically deformed, contact The force is low and stable, however, the tensile strength for the release is lowered. Also, the tensile strength is gradually increased at a tensile strength of from about 1.8 mm to about 2.3 mm. When the height value is from about 2.3 mm to about 2.6 mm, the tensile strength is about 3 〇〇N/m2 or more and is stable. Accordingly, if the contact resistance is stabilized, the crimping height value is 1.9 mm to 2.1 mm. The first crimping portion na is crimped, and the second crimping portion 17b is crimped and fixed at a crimping height value of 2.4 mm to 2.6 mm in order to secure the tensile strength, thereby satisfying the contact resistance and the tensile strength. As described above, in the first embodiment, the aluminum wire 18 of the winding coil 10 is pressure-bonded to the copper electric terminal 17 to fix the dissimilar material, thereby constituting the reactor unit 14 and the copper wire 21 and The electrical terminal 17 of copper material is welded to the same material. Thus, a reactor unit can be realized, which is inexpensive and requires no contact failure even if the temperature is changed rapidly. The electrical connection between the winding coil and the copper wire. The crimping degree at the time of crimping of the crimping portion 17a and the second crimping portion 17b can simultaneously stabilize the tensile strength and the contact resistance of the crimping portion 25, so that even for long-term changes, it is ensured that sufficient Performance, and further improve reliability. In addition, the waterproof surface of the contact surface between the aluminum material and the copper material is treated by Shi Xi resin, and the heat-shrinkable tube which is contracted by contact with high temperature is subjected to water-repellent treatment. Thereby, it is possible to prevent the occurrence of electric corrosion between the dissimilar metals and further improve the reliability. [Fig. or a brief description] Fig. 1 is a cross-sectional view of the reactor unit in the embodiment j of the present invention. The figure is a front view of the reactor unit. Figure 3A is a side elevational view of the connection of the reactor unit. Figure 3B is a front elevational view of the connection of the reactor unit. H 3C is a connection of the reactor unit to 3 (: _3 (;: sectional view. The 3D diagram is a 3D_3D cross-sectional view of the connection portion with the reactor unit. Fig. 4 is the electrical characteristics of the same reactor unit Fig. 5 is a reactor having a known electrical connection between a coiled coil and a copper wire; view. [Main component symbol description] Bu 13... Seat 4 ' 1〇... Coiled coil 2...core core Department 5,19...Song core line 3 ' 18...Ming line 6,17...Electrical terminal 9 201013714 7.. .Solder 8..Reactor 9.. .E core part 11.. .1. Core 12.. Fusion member 14. Reactor unit 15. Insulation tape 16·· Iron core 17a... First crimping portion 17b... Second crimping portion 17c... Welding joint 20... joint 21.. copper wire 22.. connector 23.. 矽 resin 24.. heat shrinkable tube 25.. crimping part 30.. terminal end △ A, ΛΒ. .. crimp height

1010

Claims (1)

201013714 七、申請專利範圍： 1. 一種反應器單元，包含有： 捲線線圈，係將鋁線盤繞在鐵製鐵心者；及 銅製電端子，係與前述捲線線圈之端部連接者， 又，前述電端子係於一端具有壓接連接前述捲線線 圈之鋁線的壓接部，於另一端具有略呈平面形狀之熔接 部。 2. 如申請專利範圍第1項之反應器單元，其中前述電端子 之壓接部係具有第一壓接部與第二壓接部，且前述第一 壓接部與前述第二壓接部之壓接高度不同。 3. 如申請專利範圍第1或2項之反應器單元，其中前述壓接 部係藉由矽樹脂進行防水處理。 4. 如申請專利範圍第1或2項之反應器單元，其中前述壓接 部係藉由熱收縮管包覆並進行防水處理。 11201013714 VII. Patent application scope: 1. A reactor unit comprising: a coiled coil, which is wound around an iron core; and a copper electrical terminal connected to an end of the coiled coil, The electrical terminal has a crimping portion having a one end crimped to the aluminum wire of the winding coil, and a welded portion having a substantially planar shape at the other end. 2. The reactor unit of claim 1, wherein the crimping portion of the electrical terminal has a first crimping portion and a second crimping portion, and the first crimping portion and the second crimping portion The crimp height is different. 3. The reactor unit of claim 1 or 2, wherein the crimping portion is subjected to a water repellent treatment by a resin. 4. The reactor unit of claim 1 or 2, wherein the crimping portion is covered by a heat shrinkable tube and subjected to a water repellent treatment. 11
TW098127592A 2008-09-19 2009-08-17 Coil coil and copper wire washing machine with electrical connection mechanism TWI431647B (en)

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EP2166546A2 (en) 2010-03-24
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CN101710534A (en) 2010-05-19
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CN101710534B (en) 2012-05-30
JP4631951B2 (en) 2011-02-16

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