WO2009003399A1 - Relais à verrouillage magnétique - Google Patents

Relais à verrouillage magnétique Download PDF

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Publication number
WO2009003399A1
WO2009003399A1 PCT/CN2008/071468 CN2008071468W WO2009003399A1 WO 2009003399 A1 WO2009003399 A1 WO 2009003399A1 CN 2008071468 W CN2008071468 W CN 2008071468W WO 2009003399 A1 WO2009003399 A1 WO 2009003399A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetizer
stationary
movable
shaped structure
contact
Prior art date
Application number
PCT/CN2008/071468
Other languages
English (en)
French (fr)
Inventor
Zhenyu Liu
Qing Chen
Junqing Wang
Original Assignee
Xiamen Hongfa Electroacoustic Co., Ltd.
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 Xiamen Hongfa Electroacoustic Co., Ltd. filed Critical Xiamen Hongfa Electroacoustic Co., Ltd.
Publication of WO2009003399A1 publication Critical patent/WO2009003399A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2209—Polarised relays with rectilinearly movable armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2227—Polarised relays in which the movable part comprises at least one permanent magnet, sandwiched between pole-plates, each forming an active air-gap with parts of the stationary magnetic circuit

Definitions

  • the present invention relates to a relay, and more particularly to a magnetic holding relay.
  • the existing magnetic holding relay is composed of a magnetic circuit portion, a contact portion, a pushing portion, and a base portion.
  • Figure la is a schematic view of a typical high-power magnetic holding relay.
  • the static spring portion 71 and the moving spring portion 72 are mounted on the base 70.
  • the pushing portion is a pushing block 73 with a card slot on both sides, and the magnetic circuit portion is composed of The movable magnet portion 74, the rotating shaft 75, the stationary magnetizer 76 and the coil 77 are partially formed, and the movable magnet portion of the movable body is rotated about the rotating shaft, and the left movable magnet 74a and the right movable magnet 74b are The left stationary magnetizer 76a and the right stationary magnetizer 76b are bonded to each other to operate the magnetic circuit portion.
  • Figure 1b is a schematic structural view of a magnetic circuit portion of a conventional magnetic holding relay.
  • the magnetic circuit portion includes a "work" shaped movable magnet portion 80, a rotating shaft 81, a stationary magnetizer 84, and a coil portion 85.
  • the moving magnet portion includes a left movable magnet 83a, a right movable magnet 83b and an upper, a magnetic steel 82a, a lower magnetic steel 82b, and the "work" shaped movable magnet portion 80 is rotatable about the rotating shaft 81, and the left movable guide
  • the magnet 83a and the right movable magnet 83b are brought into contact with the upper stationary magnetizer 84a and the lower stationary magnetizer 84b to operate the magnetic circuit system.
  • the base is provided with a slot embedded in the moving, static spring portion and the magnetic circuit portion, and the process is difficult, and the magnetic field portion of the magnetic path portion makes the contact surface of the stationary magnet and the movable magnetizer flat.
  • the object of the present invention is to overcome the deficiencies of the prior art and provide a magnetic holding relay with a novel structural magnetic circuit system and a reaction reed.
  • the structural relay reduces the accuracy requirements of the parts and the difficulty and precision of assembly. The requirement is to simplify the production process, make the relay structure simpler, lower cost, and make the relay suction force balance and the performance is more stable.
  • a magnetic holding relay comprising a magnetic circuit portion, a contact portion, a reaction reed, a magnetic circuit portion, a contact portion, and a reaction reed relatively fixed;
  • the contact portion includes static Spring part, moving spring part;
  • the magnetic circuit portion includes a coil, an E-shaped stationary magnetizer member and a movable magnetizer member; the coil is wound on the stationary magnetizer, and an insulating material layer is disposed between the stationary magnetizer and the coil;
  • the movable magnet component Provided above the stationary magnetizing member and linked to the moving spring portion by a pusher card;
  • the movable magnetizer member comprises a magnet and a movable magnet having the same structure connected to both sides of the magnet, the movable magnet The two movable magnets of the component move and shift in different pole faces in contact with the stationary magnetizer as the movable magnetizer component moves;
  • the E-shaped stationary magnetizer component is connected by two magnetizers, at least one of which It is a U
  • the stationary magnetizer component is composed of two U-shaped structure magnetizers, and the U-shaped structure magnetizers are brought together.
  • the stationary magnetizer member is composed of a U-shaped structure magnet and a strip-shaped structure magnet, and the strip-structure magnet is connected in the middle of the U-shaped structure magnet.
  • the movable magnetizer of the movable magnet component has at least two vertical sides, the ends of which are located in the stationary magnetizer member and are in contact with each other at different positions.
  • the movable magnetizer of the movable magnetizer member is a U-shaped structure with an opening facing downward.
  • the movable magnetizer of the movable magnetizer member is a U-shaped structure with an opening facing upward.
  • the movable magnetizer of the movable magnetizer member has a J-shaped structure.
  • the movable magnetizer of the movable magnetizer member has an L-shaped structure.
  • the movable magnetizer of the movable magnetizer member has a plate-shaped structure.
  • the coils are one and one coil is wound in the middle of the stationary magnetizer component.
  • the coils are two, and the two coils are respectively wound on both sides of the stationary magnetizer component.
  • reaction reed is fixed to the E-shaped stationary magnet component, and its elastic free end is topped on the push card that causes the contact to close in the open state of the contact.
  • reaction reed is fixed to the pusher card with its resilient free end being crowned in the open state of the contact on the stationary magnetizer component that causes the contact to close.
  • the invention has the beneficial effects that a magnetic circuit portion of the magnetic holding relay is constructed by using a coil, an E-shaped stationary magnetizer member and a movable magnetizing member, and the coil is wound on the stationary magnetizer at the stationary guide.
  • An insulating material layer is disposed between the magnet and the coil, and the movable magnet component comprises a magnetic steel and a movable magnet with the same structure connected to both sides of the magnetic steel, and the two movable magnets of the movable magnet component can be Motion guide The movement of the magnet member moves in a different pole face in contact with the stationary magnetizer, and the E-shaped stationary magnetizer member is connected by two magnetizers, at least one of which is a U-shaped structure magnetizer.
  • the magnetic circuit system solves the problem of uneven surface contact of the magnetic circuit and improves the stability of product performance.
  • the static magnetic conductor of the magnetic circuit portion is a U-shaped structure, and the movable conductive magnet has two identical U-shaped or similar structures, which reduces the manufacturing difficulty of the parts and the assembly difficulty and precision of the components. Since the reaction reed is added to the magnetic holding relay, and the reaction reed is installed at the position where the contact is closed to provide the auxiliary reaction force when the contact is opened, the suction reaction force when the relay is operated tends to In balance, reliability is improved.
  • Figure la is a schematic structural view of a conventional magnetic holding relay
  • Figure lb is a schematic structural view of a magnetic circuit portion of a conventional magnetic holding relay
  • Figure 2a is a schematic view showing the structure (operating state) of the first embodiment of the present invention.
  • Figure 2b is a schematic view showing the structure (return state) of the first embodiment of the present invention.
  • Figure 3 is a schematic structural view of the second embodiment of the present invention.
  • Figure 4 is a schematic structural view of the third embodiment of the present invention.
  • Figure 5 is a schematic structural view of the fourth embodiment of the present invention.
  • FIG. 6 is a schematic structural view of the fifth embodiment of the present invention.
  • Figure 7 is a schematic structural view of the sixth embodiment of the present invention.
  • Figure 8 is a schematic structural view of the seventh embodiment of the present invention.
  • Figure 9 is a schematic structural view of the eighth embodiment of the present invention.
  • Figure 10 is a schematic view showing the structure of an embodiment of a magnetic holding relay to which the present invention is applied.
  • a magnetic holding relay of the present invention includes a magnetic circuit portion, a contact portion, a reaction reed, a magnetic circuit portion, a contact portion, and a reaction reed which are relatively fixed.
  • the magnetic circuit portion is provided with a coil 21, an E-shaped stationary magnetizer member 90, and a movable magnetizer member 10.
  • the E-shaped stationary magnetizer member 90 is formed by connecting a U-shaped magnet 11 and a strip-shaped magnet 12, and the coil 21 is wound on the strip-shaped magnet 12, and an insulating material is provided between the strip-shaped magnet 12 and the coil 21.
  • the layer, the insulating material may be injection molded with the strip magnets 12, or may be wrapped or coated on the strip magnets 12.
  • the movable magnetizer member 10 is composed of two inverted U-shaped (i.e., U-shaped structures with an opening downward) movable conductive magnet 13, a U-shaped movable magnet 15, a magnetic steel 14, and a pusher card 16.
  • the contact portion is provided with a static spring portion 41 and a moving spring portion 42.
  • the magnetic circuit portion, the contact portion, and the reaction reed 17 are relatively fixed.
  • the magnetic steel 14 is placed in the center of the two movable magnets 13 and the movable magnets 15, forming two substantially symmetrical magnetic circuits 51 and magnetic circuits 52 in the magnetic circuit system, without supplying power to the coils 21,
  • the pole face 13a of the movable magnet 13 is in contact with the pole face 11a of the U-shaped magnet 11 , the pole face 15b of the movable magnet 15 and the strip-shaped magnet 12 are The pole face 12b is fitted to form a magnetic circuit 51, and the contact is closed to keep the relay in an operating state; in the operating state, when the coil 21 is supplied with an instantaneous reset excitation voltage, the magnetic circuit 61 generated by the coil 21 is resistant to the magnetic circuit 51.
  • the magnetic field causes the pole face 13a of the movable conductive magnet 13 to be disengaged from the pole face 11a of the U-shaped magnetizer 11, and the pole face 15b of the movable conductive magnet 15 is separated from the pole face 12b of the strip-shaped magnetizer 12, and the movable conductive magnet
  • the pole face 13b of the 13 is attached to the pole face 12a of the strip-shaped magnet 12, and the pole face 15a of the movable magnet 15 and the pole face l ib of the U-shaped magnet 11 are fitted to form the magnetic circuit 52, and at the same time, the card is pushed.
  • 16 pushes the moving spring portion 42 to open the contact, the contact pressure provides an auxiliary reaction force for causing the contact to open, and the reaction reed 17 is pressed.
  • the excitation voltage of the coil 21 is removed, and the magnetic circuit is maintained in the reset state, as shown in FIG. 2b.
  • the coil 21 In the return state, when the coil 21 is supplied with the instantaneous operating voltage, the coil 21 generates the magnetic circuit 62, and the working principle is the same as above, and the magnetic circuit is again
  • the push card 16 pushes the moving spring portion 42 to close the contacts, and the reaction reed 17 provides an auxiliary reaction force for causing the contacts to close. In this way, the contact parts of the drive relay are broken.
  • Embodiment 2 Referring to FIG. 3, a magnetic holding relay of the present invention is different from Embodiment 1 in that the stationary magnetizing member 90 is composed of two U-shaped structural magnets 11, and the U-shaped structure is guided. The magnets 11 are brought together.
  • Embodiment 3 Referring to FIG. 4, a magnetic holding relay of the present invention is different from Embodiment 1 in that the movable magnetizer 13 and the movable magnet 15 of the movable magnetizing member are open upwards. U-shaped structure.
  • Embodiment 4 Referring to FIG. 5, a magnetic holding relay of the present invention is different from Embodiment 1 in that the movable magnetizer 13 and the movable conductive magnet 15 of the movable magnetizing member are J-shaped. .
  • Embodiment 5 Referring to FIG. 6, a magnetic holding relay of the present invention is different from Embodiment 1 in that the movable magnet 13 and the movable magnet 15 of the movable magnet component are L-shaped. .
  • a magnetic holding relay of the present invention includes a magnetic circuit portion, a contact portion, and a reaction reed.
  • the magnetic circuit portion is provided with a coil 21, an E-shaped stationary magnetizer member 90, and a movable magnetizer member 10.
  • the E-shaped stationary magnetizer member 90 is formed by connecting a U-shaped magnet 11 and a strip-shaped magnet 12.
  • the movable magnetism magnet member 10 is composed of two plate-shaped movable magnets 13, a plate-shaped movable magnet 15 and a magnetic steel 14, two windings 21a and 21b of the coil 21. They are wound on the two poles 11a, 11b on the U-shaped magnet 11 respectively.
  • Embodiment 7 Referring to Figure 8, a magnetic holding relay of the present invention is different from Embodiment 1 in that the reaction spring 17 is fixed to the E-shaped stationary magnetizer member 90.
  • Embodiment 8 Referring to Figure 9, a magnetic holding relay of the present invention is different from Embodiment 1 in that the reaction reed 17 is fixed to the pusher card 16.
  • Figure 10 shows an electromagnetic relay using the present invention, comprising a base 3, a static spring member 41, a moving spring member 42, an E-shaped stationary magnetizer member 90, a movable magnetizing member 10, a reaction reed 17, and a coil member.
  • the E-shaped stationary magnetizer member 90 includes a U-shaped magnet 11 and a strip-shaped magnet 12
  • the movable magnet member 10 includes a movable magnet 13 that is chucked in the push card 16, a movable magnet 15 and a magnetic steel 14
  • the coil component 20 includes a bobbin 22 and a coil 21 wound around the bobbin 22.
  • the movable magnetizing member 10, the E-shaped stationary magnetizing member 90, and the coil member 20 can form a bilaterally symmetrical magnetic circuit.
  • the reaction reed 17 card is mounted on the base 3.
  • the magnetic retention relay of the invention has reasonable design and simple structure, reduces the manufacturing difficulty of the parts, and the assembly difficulty and precision of the components.
  • the reed springs tend to balance the suction and reaction forces of the relay during operation, and the reliability is improved, and has good performance. Industrial applicability.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Description

一种磁保持继电器 技术领域
本发明涉及一种继电器， 特别是涉及一种磁保持继电器。
背景技术
现有的磁保持继电器由磁路部分、 接触部分、 推动部分和基座部分组成。 图 la为一种典型的大功率磁保持继电器的结构示意图， 静簧部分 71、 动簧部分 72是装在底座 70上，推动部分为一个两边带卡槽的推动块 73，磁路部分由"工" 形可动导磁体部分 74、 转轴 75、 静止导磁体 76和线圈 77部分组成， "工"形可 动导磁体部分绕转轴转动， 左可动导磁体 74a、 右可动导磁体 74b与左静止导磁 体 76a、 右静止导磁体 76b贴合， 使磁路部分工作。 图 lb为现有磁保持继电器 的磁路部分的结构示意图， 该磁路部分包括 "工"形可动导磁体部分 80、 转轴 81、 静止导磁体 84和线圈部分 85组成， "工"形可动导磁体部分包括左可动导 磁体 83a、 右可动导磁体 83b和上、 磁钢 82a、 下磁钢 82b， "工"形可动导磁 体部分 80可绕转轴 81转动， 左可动导磁体 83a、 右可动导磁体 83b通过与上静 止导磁体 84a、下静止导磁体 84b贴合， 使磁路系统工作。在这种继电器结构中， 底座设有嵌入动、静簧部分与磁路部分的槽孔， 工艺难度高， 而且其磁路部分中 使静止导磁体与可动导磁体达到接触面平整有较大难度，因此容易产生产品性能 不稳定的现象。 为此要求的零件尺寸精度高， 装配难度高， 精度高。 另外， 触点 闭合后， 由于存在触点压力促使触点断开， 而触点断开后， 没有必要的辅助反力 促使触点闭合， 所以此种结构会出现继电器吸反力不平衡的现象。 发明内容
本发明的目的在于克服现有技术之不足， 提供一种带有新型结构磁路系统 和反力簧片的磁保持继电器，此种结构继电器降低了对零件的精度要求和对装配 的难度与精度要求， 从而简化生产工艺， 使继电器结构更简单， 成本更低， 并且 使继电器吸反力趋于平衡， 性能更稳定。
本发明解决其技术问题所采用的技术方案是： 一种磁保持继电器， 包括磁 路部分、 接触部分、 反力簧片， 磁路部分、 接触部分、 反力簧片相对固定； 接触部分包括静簧部分、 动簧部分； 磁路部分包括一线圈、 一 E形静止导磁体部件和一可动导磁体部件； 线圈 绕制在静止导磁体上，在静止导磁体和线圈之间设有绝缘材料层； 可动导磁体部 件设置在静止导磁体部件的上方并通过一推动卡与动簧部分相联动；可动导磁体 部件包括一磁钢和连接在磁钢两侧的具有相同结构的可动导磁体，可动导磁体部 件的两可动导磁体随可动导磁体部件的移动而在与静止导磁体所接触的不同极 面中移动换位； E形静止导磁体部件由两个导磁体连接而成， 其中至少有一个为 U形结构导磁体；反力簧片安装在触点断开状态下为促使触点闭合而提供辅助反 力的位置处。
所述的静止导磁体部件由二个 U形结构导磁体构成， 二 U形结构导磁体并 在一起。
所述的静止导磁体部件由一个 U形结构导磁体和一个条形结构导磁体构 成， 条形结构导磁体连接在 U形结构导磁体的中间。
所述的可动导磁体部件的可动导磁体至少有两个垂直侧面， 其端部位于静 止导磁体部件内， 分别在不同位置时与其相接触。
所述的可动导磁体部件的可动导磁体为开口朝下的 U形结构。
所述的可动导磁体部件的可动导磁体为开口朝上的 U形结构。
所述的可动导磁体部件的可动导磁体为 J形结构。
所述的可动导磁体部件的可动导磁体为 L形结构。
所述的可动导磁体部件的可动导磁体为板形结构。
所述的线圈为一个， 一个线圈绕制在静止导磁体部件的中间。
所述的线圈为二个， 二线圈分别绕制在静止导磁体部件的两侧。
所述的反力簧片是固定在 E形静止导磁体部件上， 其弹性自由端在触点断 开状态下张顶在促使触点闭合的推动卡上。
所述的反力簧片是固定在推动卡上， 其弹性自由端在触点断开状态下张顶 在促使触点闭合的静止导磁体部件上。
本发明的有益效果是， 由于采用了一线圈、 一 E形静止导磁体部件和一可 动导磁体部件来构成磁保持继电器的磁路部分， 且线圈绕制在静止导磁体上，在 静止导磁体和线圈之间设有绝缘材料层，可动导磁体部件包括一磁钢和连接在磁 钢两侧的具有相同结构的可动导磁体，可动导磁体部件的两可动导磁体随可动导 磁体部件的移动而在与静止导磁体所接触的不同极面中移动换位， E形静止导磁 体部件由两个导磁体连接而成， 其中至少有一个为 U形结构导磁体， 这种 "日" 形磁路系统， 解决了磁回路接触面不平整的问题， 提升了产品性能的稳定性。其 磁路部分的静止导磁体为 U型结构，可动导磁体为两个相同的 U型或类似结构， 降低了零件的制造难度和部件的装配难度与精度。由于在磁保持继电器中加装了 反力簧片，且反力簧片安装在触点断开状态下为促使触点闭合而提供辅助反力的 位置处， 使继电器工作时的吸反力趋于平衡， 可靠性得到提高。
以下结合附图及实施例对本发明作进一步详细说明； 但本发明的一种磁保 持继电器不局限于实施例。
附图说明
图 la是现有磁保持继电器的结构示意图；
图 lb是现有磁保持继电器磁路部分的结构示意图；
图 2a是实施例一本发明的结构 （动作状态） 示意图；
图 2b是实施例一本发明的结构 （复归状态） 示意图；
图 3是实施例二本发明的结构示意图；
图 4是实施例三本发明的结构示意图；
图 5是实施例四本发明的结构示意图；
图 6是实施例五本发明的结构示意图；
图 7是实施例六本发明的结构示意图；
图 8是实施例七本发明的结构示意图；
图 9是实施例八本发明的结构示意图；
图 10是应用本发明的磁保持继电器实施例的结构示意图。
具体实施方式
实施例一， 参见图 2a、 图 2b所示， 本发明的一种磁保持继电器， 包括磁路 部分、 接触部分、 反力簧片， 磁路部分、 接触部分、 反力簧片相对固定。 磁路部 分设有一线圈 21、 一 E形静止导磁体部件 90和一可动导磁体部件 10。 E形静止 导磁体部件 90由 U形导磁体 11和条形导磁体 12连接而成， 线圈 21绕制在条 形导磁体 12上， 在条形导磁体 12和线圈 21之间设有绝缘材料层， 绝缘材料可 以是与条形导磁体 12注塑在一起的，也可以是包裹或涂覆在条形导磁体 12上的。 可动导磁体部件 10由两个倒 U形（即开口朝下的 U形结构）可动导磁体 13、 U 形可动导磁体 15、 磁钢 14和推动卡 16组成。 接触部分设有静簧部分 41、 动簧 部分 42。 磁路部分、 接触部分、 反力簧片 17相对固定。 磁钢 14放置在两个可 动导磁体 13、 可动导磁体 15的中央， 形成了磁路系统中两个基本对称的磁回路 51、 磁回路 52， 在不给线圈 21供电的条件下， 磁路系统存在两个稳定状态， 即 动作和复归状态。 在动作状态下， 如图 2a所示， 由于可动导磁体 13的极面 13a 与 U形导磁体 11的极面 11a贴合， 可动导磁体 15的极面 15b与条形导磁体 12 的极面 12b贴合， 形成磁回路 51， 触点闭合， 使继电器保持在动作状态； 在动 作状态下， 给线圈 21提供瞬时的复归激励电压时， 线圈 21产生的磁回路 61抵 抗磁回路 51的磁场，使得可动导磁体 13的极面 13a与 U形导磁体 11的极面 11a 脱离，可动导磁体 15的极面 15b与条形导磁体 12的极面 12b脱离， 而可动导磁 体 13的极面 13b与条形导磁体 12的极面 12a贴合， 可动导磁体 15的极面 15a 和 U形导磁体 11的极面 l ib贴合， 形成磁回路 52， 同时， 推动卡 16推动动簧 部分 42， 使触点断开， 触点压力为促使触点断开提供辅助反力， 反力簧片 17被 压。 之后去掉线圈 21的激励电压， 磁路保持在复归状态， 如图 2b所示； 在复归 状态下， 给线圈 21提供瞬时的动作电压时， 线圈 21产生磁回路 62， 工作原理 同上， 磁路又回复到动作状态， 同时， 推动卡 16推动动簧部分 42， 使触点闭合， 反力簧片 17为促使触点闭合提供辅助反力。 如此往复， 驱动继电器的接触部件 开断。
实施例二， 参见图 3所示， 本发明的一种磁保持继电器， 与实施例一的不 同之处在于， 静止导磁体部件 90由二个 U形结构导磁体 11构成， 二 U形结构 导磁体 11并在一起。
实施例三， 参见图 4所示， 本发明的一种磁保持继电器， 与实施例一的不 同之处在于， 可动导磁体部件的可动导磁体 13、 可动导磁体 15为开口朝上的 U 形结构。
实施例四， 参见图 5所示， 本发明的一种磁保持继电器， 与实施例一的不 同之处在于， 可动导磁体部件的可动导磁体 13、 可动导磁体 15为 J形结构。
实施例五， 参见图 6所示， 本发明的一种磁保持继电器， 与实施例一的不 同之处在于， 可动导磁体部件的可动导磁体 13、 可动导磁体 15为 L形结构。 实施例六， 参见图 7所示， 本发明的一种磁保持继电器， 包括磁路部分、 接触部分、 反力簧片。 该磁路部分设有一线圈 21、 一 E形静止导磁体部件 90和 一可动导磁体部件 10。 E形静止导磁体部件 90由 U形导磁体 11和条形导磁体 12连接而成。 与实施例一的不同之处在于， 可动导磁体部件 10由两个板状可动 导磁体 13、 板状可动导磁体 15、 磁钢 14组成， 线圈 21的两个绕组 21a、 绕组 21b分别绕制在 U形导磁体 11上的两极 lla、 lib上。
实施例七， 参见图 8所示， 本发明的一种磁保持继电器， 与实施例一的不 同之处在于， 反力簧 17固定在 E形静止导磁体部件 90上。
实施例八， 参见图 9所示， 本发明的一种磁保持继电器， 与实施例一的不 同之处在于， 反力簧片 17固定在推动卡 16上。
图 10给出了使用本发明的电磁继电器， 包括基座 3、 静簧部件 41、 动簧部 件 42、 E形静止导磁体部件 90、 可动导磁体部件 10、 反力簧片 17、 线圈部件 20。 E形静止导磁体部件 90包括 U形导磁体 11和条形导磁体 12， 可动导磁体 部件 10包括卡装在推动卡 16中的可动导磁体 13、可动导磁体 15与磁钢 14， 线 圈部件 20包括线圈架 22与绕在线圈架 22上的线圈 21。 可动导磁体部件 10、 E 形静止导磁体部件 90、 线圈部件 20可以形成左右对称的磁路。 反力簧片 17卡 装在基座 3上。
上述实施例仅用来进一步说明本发明的一种磁保持继电器，但本发明并不局 限于实施例， 凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等 同变化与修饰， 均落入本发明技术方案的保护范围内。
工业实用性
本发明一种磁保持继电器设计合理， 结构简单， 降低了零件的制造难度和部 件的装配难度与精度反力簧片使继电器工作时的吸反力趋于平衡，可靠性得到提 高， 具有良好的工业实用性。

Claims

权 利 要 求
1. 一种磁保持继电器， 其特征在于： 包括磁路部分、接触部分、 反力簧片， 磁路部分、 接触部分、 反力簧片相对固定；
接触部分包括静簧部分、 动簧部分；
磁路部分包括一线圈、 一 E形静止导磁体部件和一可动导磁体部件； 线圈 绕制在静止导磁体上，在静止导磁体和线圈之间设有绝缘材料层； 可动导磁体部 件设置在静止导磁体部件的上方并通过一推动卡与动簧部分相联动；可动导磁体 部件包括一磁钢和连接在磁钢两侧的具有相同结构的可动导磁体，可动导磁体部 件的两可动导磁体随可动导磁体部件的移动而在与静止导磁体所接触的不同极 面中移动换位； E形静止导磁体部件由两个导磁体连接而成， 其中至少有一个为 U形结构导磁体；反力簧片安装在触点断开状态下为促使触点闭合而提供辅助反 力的位置处。
2. 根据权利要求 1所述的一种磁保持继电器， 其特征在于： 所述的静止导 磁体部件由二个 U形结构导磁体构成， 二 U形结构导磁体并在一起形成 E形结 构。
3. 根据权利要求 1所述的一种磁保持继电器， 其特征在于： 所述的静止导 磁体部件由一个 U形结构导磁体和一个条形结构导磁体构成， 条形结构导磁体 连接在 U形结构导磁体的中间形成 E形结构。
4. 根据权利要求 2或 3所述的一种磁保持继电器， 其特征在于： 所述的可 动导磁体部件的可动导磁体至少有两个垂直侧面， 其端部位于静止导磁体部件 内， 分别在不同位置时与其相接触。
5. 根据权利要求 4所述的一种磁保持继电器， 其特征在于： 所述的可动导 磁体部件的可动导磁体为开口朝下的 U形结构或开口朝上的 U形结构或 J形结 构或 L形结构或板形结构。
6. 根据权利要求 2或 3所述的一种磁保持继电器， 其特征在于： 所述的线 圈为一个， 一个线圈绕制在静止导磁体部件的中间。
7. 根据权利要求 2或 3所述的一种磁保持继电器， 其特征在于： 所述的线 圈为二个， 二线圈分别绕制在静止导磁体部件的两侧。
8. 根据权利要求 1所述的一种磁保持继电器， 其特征在于： 所述的反力簧 片是固定在 E形静止导磁体部件上， 其弹性自由端在触点断开状态下张顶在促 使触点闭合的推动卡上。
9. 根据权利要求 1所述的一种磁保持继电器， 其特征在于： 所述的反力簧 片是固定在推动卡上，其弹性自由端在触点断开状态下张顶在促使触点闭合的静 止导磁体部件上。
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