CN110168675A - 热保护器 - Google Patents

热保护器 Download PDF

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CN110168675A
CN110168675A CN201780081824.8A CN201780081824A CN110168675A CN 110168675 A CN110168675 A CN 110168675A CN 201780081824 A CN201780081824 A CN 201780081824A CN 110168675 A CN110168675 A CN 110168675A
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magnet
wire
thermal protector
main body
spool
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CN110168675B (zh
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K.A.伦道夫
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TE Connectivity Corp
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Tyco Electronics Corp
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H1/00Details of emergency protective circuit arrangements
    • H02H1/0038Details of emergency protective circuit arrangements concerning the connection of the detecting means, e.g. for reducing their number
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/32Insulating of coils, windings, or parts thereof
    • H01F27/324Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • H01F27/325Coil bobbins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00Coils
    • H01F5/04Arrangements of electric connections to coils, e.g. leads
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25Devices for sensing temperature, or actuated thereby
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F2007/062Details of terminals or connectors for electromagnets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • H01F2027/406Temperature sensor or protection
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/10Electrically-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
    • H01R4/18Electrically-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
    • H01R4/182Electrically-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 flat conductive elements, e.g. flat cables
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K2203/00Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/12Machines characterised by the bobbins for supporting the windings

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)
  • Electromagnets (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Insulating Of Coils (AREA)
  • Regulation Of General Use Transformers (AREA)

Abstract

本发明涉及一种热保护器(20),其包括与磁线端接特征(24)整体连接的主体(22)。另外,受热保护的线轴(32)包括缠绕在心轴(34)上的磁线(36),并且热保护器(20)包括整体连接到磁线端接特征(24)的主体(22)。磁线端接特征(24)与磁线(36)形成连接。

Description

热保护器
技术领域
本发明涉及用于承载磁线的线轴,并且特别地,本发明涉及一种与线轴一起使用的热保护器。
背景技术
许多消费产品涉及采用由线轴承载的磁线的电动机或励磁绕组。毫不奇怪,热保护装置已成为大多数消费产品的强制性、不可或缺的特征,以防止意外过热和火灾。将热保护器连接到磁线的传统方法涉及接头以将磁线连接到绞合引线,所述绞合引线又压接或焊接到热保护器。例如,如图1所示,热保护器12包括用于接收引线18的剥离端16的插座部分14。该布置使制造复杂化,增加了费用并且是耗时的。
美国专利4,132,913涉及一种具有一次性热保护器的线轴布置件。线轴布置件连接到从热保护器延伸的端子引线部分。
美国专利4,166,265涉及一种线圈线轴,其具有延伸到其凸缘之一中的触头接收腔和用于从凸缘延伸的线的整体连接柱。通过将端子插入每个端子接收腔中来实现到绕组线的端部的电连接。每个端子具有上插座部分,其尺寸适于在外导体上接收触针,并且在其下端具有导电部分,用于与线圈线建立接触。
美国专利5,447,455涉及一种用于端接磁线的电气组件,其具有壳体和设置在其中的触头接收腔。通过将端子插入每个端子接收腔中来实现与绕组磁线的端部的电连接。端子包括与触头接收腔相对延伸的压接连接器。
发明内容
本领域需要一种不受这些缺点影响的改进的热保护器。
该解决方案由热保护器提供,该热保护器包括整体连接到磁线端接特征的主体。
该解决方案还涉及一种受热保护的线轴,包括缠绕在心轴上的磁线,以及热保护器,该热保护器包括与磁线端接特征整体连接的主体。磁线端接特征与磁线形成连接。
该解决方案还由受热保护的线轴提供,该线轴包括具有缠绕在心轴上的相对端的磁线,该心轴具有用于在相对端之间接收磁线的接头开口。一种热保护器,包括与磁线端接特征整体连接的主体。每个磁线端接特征由相应的接头开口接收,每个磁线端接特征与磁线形成连接。
附图说明
现在将参考附图通过示例描述本发明,在附图中:
图1是用于热保护器的现有技术布置件;
图2是本发明的示例性热保护器的上部透视图;
图2A是取自图2的区域2的示例性热保护器的放大的局部上部透视图;
图3是本发明的示例性线轴的上部透视图;
图4是本发明的图3的线轴的局部放大图;
图5-9是用于组装本发明的示例性受热保护的线轴的顺序步骤;
图10是本发明的示例性受热保护的线轴的上部透视图;
图11是取自图10的区域11的受热保护的线轴的放大视图。
具体实施方式
旨在结合附图阅读根据本发明原理的说明性实施例的描述,附图被认为是整个书面描述的一部分。诸如“附接”、“附加”、“连接”、“联接”、“互连”,“接合”,“安装”和类似的术语是指其中结构通过直接或间接通过介入结构彼此固定或附接的关系,以及可移动的或刚性的附接或关系,除非另有明确说明。此外,通过参考优选实施例说明了本发明的特征和益处。因此,本发明明确地不应限于这些优选实施例,这些优选实施例示出了可以单独存在或者以其他特征组合存在的一些可能的非限制性特征组合;本发明的范围由所附权利要求限定。
图2示出了本发明的热保护器20的新颖结构。热保护器20包括延伸到磁线端接特征24的主体22。主体22和磁线端接特征24一体地连接。在一个实施例中,主体22和磁线端接特征24是整体或单件结构的。也就是说,在一种情况下,主体22延伸到磁线端接特征24,例如从主体22的外部材料层26,或者在另一种情况下,磁线端接特征24延伸到主体22的内部,两种情况中的每个示出在图2中。可选地,如图2所示,其是从图2的区域2获取的,主体22端接于一对凸片28,凸片28与磁线端接特征24形成压接连接件30。
在热保护器、磁线和磁线端接特征之间的物理接触的上下文中,术语“连接”旨在表示在它们之间建立电连接。
术语“整体连接”旨在表示热保护器直接连接到磁线端接特征,更具体地说,没有介入引线具有必须在引线的一端连接到热保护器并且在引线的另一端连接到磁线端接特征的相对的剥离端。
磁线端接特征24包括诸如凹口、锯齿等的不连续部分,使得当与通常具有清漆涂层的磁线接触时,磁线端接特征充分地磨损清漆涂层以提供磁线端接特征和磁线之间的连接。在一个实施例中,磁线端接特征24用作绝缘位移连接器。也就是说,线端接特征24可以移位,例如移除,例如通过切断线的绝缘层,以在线端接特征和绝缘线的内导体之间建立电连接。换句话说,本发明的热保护器可以用于利用绝缘线的应用中,而不限于磁线。示例性的线端接特征结合在MAG-MATE端子中,该端子是AMP公司的注册商标。
本发明的新颖热保护器提供了若干优点。例如,传统的引线,需要从引线的相对端剥离绝缘,然后在一端分别将相对端连接到热保护器,而在另一端分别连接到磁线端接特征,被消除,节省材料成本,并且通过减少电连接,提高了热保护器的可靠性。此外,如下面将进一步详细描述的,制造过程可以完全自动化,从而减少制造时间。
术语“热保护的线轴”是指承载磁线的线轴,其连接到本发明的热保护器。
如图3-9所示,现在讨论用于组装示例性受热保护的线轴的顺序步骤(图10)。如图3中进一步所示的,线轴32包括心轴34,磁线36缠绕在心轴34上。出于清楚的目的,以虚线示出了围绕心轴34的磁线绕组38。心轴34包括形成在其中的接头开口40,42,44,46。在一端,磁线36被馈送通过接头开口40并被其接收,缠绕在心轴34上(形成磁线绕组38),然后馈送通过接头开口42并被其接收(图4),然后通过接头开口44(图4)。包括接头开口42,44的线轴32的部分被称为接头区域54。在被馈送通过接头开口44并被其接收之后,磁线36被馈送通过接头开口46并被其接收,之后磁线36是端接。柱48定位在接头开口40,42,44和46附近,以至少有助于将磁线36临时固定在接头开口中。接头开口42,44位于磁线36的相对端之间。
一旦磁线36被馈送通过接头开口40,42,44,46并由接头开口40,42,44,46接收,那么如图5中进一步所示的,端子50的磁线端接特征24与相应的接头开口40,46对准。然后将端子50的磁线端接特征24插入接头开口46(图6)并插入接头开口40(图7)中,用于与磁线36形成相应的连接。
一旦已经将端子50的磁线端接特征24插入到接头开口40,46中,则如图8所示,热保护器20的磁线端接特征24与相应的接头开口42,44对准。如图9和图11(其是从图10的区域11截取的放大的局部视图)中的每个所示的,然后将热保护器20的磁线端接特征24插入相应的接头开口42,44中,以与磁线36形成相应连接。
应当理解,可以以任何顺序执行将端子50的磁线端接特征24和热保护器20的磁线端接特征24插入其相应的接头开口40,42,44,46中。
图10示出了完成的受热保护的线轴52,其中相应的柱48(与图11中所示的接头开口42,44相关联的柱的放大视图)已被移除或切割成与线轴的表面基本齐平,该柱移除会发生在磁线端接特征形成与磁线的相应连接期间或之后。在一个实施例中,可以保留柱48(图3)中的一个或多个,以防柱用于其他目的。然而,必须移除在接头开口42和44之间延伸的线段36,以便热保护器20的磁线端接特征24形成与在接头开口40和46之间延伸的磁线36串联的电连接。

Claims (9)

1.一种热保护器(20),包括:
主体(22),该主体整体连接到磁线端接特征(24)。
2.如权利要求1所述的热保护器(20),其中所述主体(22)和所述磁线端接特征(24)是单体结构的。
3.如权利要求1所述的热保护器(20),其中所述主体(22)和所述磁线端接特征(24)具有压接连接件。
4.一种受热保护的线轴(32),包括:
缠绕在心轴(34)上的磁线(36);和
热保护器(20),该热保护器包括与磁线端接特征(24)整体连接的主体(22);
其中,磁线端接特征(24)与磁线(36)形成连接。
5.如权利要求4所述的热保护器(20),其中所述主体(22)和所述磁线端接特征(24)具有压接连接件(30)。
6.一种受热保护的线轴(32),包括:
磁线(36),该磁线具有缠绕在心轴(34)上的相对端,心轴(34)具有用于在相对端之间接收磁线(36)的接头开口(40,42,44,46);和
热保护器(20),该热保护器包括与磁线端接特征(24)整体连接的主体(22);
其中每个磁线端接特征(24)由相应的接头开口(40,42,44,46)接收,每个磁线端接特征(24)与磁线(36)形成连接。
7.如权利要求6所述的受热保护的线轴(32),其中所述主体(22)和所述磁线端接特征(24)是单体结构的。
8.如权利要求6所述的受热保护的线轴(32),其中所述接头开口(40,42,44,46)具有柱(48),用于在所述磁线(36)延伸通过接头开口之后接收所述磁线(36),柱(48)在磁线端接特征(24)与磁线(36)形成连接期间或之后被移除。
9.如权利要求8所述的受热保护的线轴(32),其中在每个磁线端接特征(24)之间延伸的磁线段从心轴(34)移除。
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US15/397,812 US10431971B2 (en) 2017-01-04 2017-01-04 Thermal protector
US15/397,812 2017-01-04
PCT/IB2017/058507 WO2018127776A1 (en) 2017-01-04 2017-12-29 Thermal protector

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