WO2018205352A1 - Magnetic assembly and electromagnetic relay using the magnetic assembly - Google Patents

Magnetic assembly and electromagnetic relay using the magnetic assembly Download PDF

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Publication number
WO2018205352A1
WO2018205352A1 PCT/CN2017/088935 CN2017088935W WO2018205352A1 WO 2018205352 A1 WO2018205352 A1 WO 2018205352A1 CN 2017088935 W CN2017088935 W CN 2017088935W WO 2018205352 A1 WO2018205352 A1 WO 2018205352A1
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WIPO (PCT)
Prior art keywords
magnetic component
coil
magnetic
electromagnetic relay
permanent magnets
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Application number
PCT/CN2017/088935
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French (fr)
Chinese (zh)
Inventor
冯力
颜陶
颜天宝
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佛山市川东磁电股份有限公司
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Publication of WO2018205352A1 publication Critical patent/WO2018205352A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/20—Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereof; movable coaxially with respect to coil
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/10—Electromagnetic or electrostatic shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Definitions

  • the electromagnetic relay in the prior art generally performs the switching operation by the electromagnet and the return spring. Such a relay needs to continuously input a current after being used. Taking a common electromagnetic relay as an example, the relay performs a closing operation. , It is necessary to continuously apply current to keep it closed, otherwise the moving and static contacts will be reset under the restoring force of the return spring. Therefore, such an electromagnetic relay has a short life, and once the control circuit has a problem during operation, it will cause a false trigger or a false shutdown of the working circuit, which is very dangerous in some cases.
  • a magnetic assembly includes two permanent magnets disposed in opposite poles, and a shield block coupled between the two permanent magnets and used to shield the magnetic fields at opposite ends of the two permanent magnets.
  • the magnetic component wherein the material of the shielding block is iron.
  • Two permanent magnets are respectively fixed in the two sets of holes.
  • An electromagnetic relay using the magnetic component comprising a coil, movably disposed in a coil inner bore a magnetic component, an iron piece disposed at both ends of the coil, a movable contact fixed to one end of the magnetic component by the fixing component, and a static contact corresponding to the movable contact; a gap between the iron piece and the magnetic component
  • the electromagnetic relay wherein the fixing component comprises an insulating cap fixed at one end of the magnetic component, and a spring piece connecting the insulating cap and the movable contact.
  • the electromagnetic relay further includes a guiding sleeve, the coil is sleeved on the guiding cylinder, and the guiding cylinder is provided with a guiding hole shaped to be adapted to the magnetic component, and the magnetic component is movably disposed on the guiding In the hole.
  • the present invention provides a magnetic assembly comprising two permanent magnets disposed in opposite poles, and a shielding block connected between two permanent magnets and used to shield magnetic fields at opposite ends of the two permanent magnets;
  • An electromagnetic relay is provided.
  • the magnetic component is disposed in the inner hole of the coil, and iron pieces are disposed at both ends of the coil.
  • the axial force of the inner ends of the two permanent magnets is affected by the shielding block. It is smaller than the axial force received by the outer end, and the outer end is subjected to the same force direction, so that the magnetic component can move to one end and finally adsorb on the iron piece without continuously feeding current to maintain the closed state.
  • FIG. 1 is a schematic plan view showing the structure of a magnetic component provided by the present invention.
  • FIG. 2 is a schematic perspective view of a magnetic component provided by the present invention.
  • FIG. 3 is a schematic structural view of an electromagnetic relay provided by the present invention.
  • the present invention provides a magnetic component and an electromagnetic relay using the same.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • the material of the shielding block 12 is iron.
  • the material of the shielding block can also be other metals with a large magnetic permeability.
  • the shielding block 12 is respectively provided with a sleeve hole 121 having a shape adapted to the permanent magnet 11, and the two permanent magnets 11 are respectively fixed to the two sleeve holes 121. in. This makes the connection between the permanent magnet and the shield block stronger.
  • the permanent magnet 11 is fixed in the sleeve hole 121 by gluing, welding or screwing.
  • the present invention provides an electromagnetic relay using the magnetic assembly, comprising a coil 2, a magnetic component 1 movably disposed in a hole in the coil 2, and an iron piece disposed at both ends of the coil 2. 3.
  • the movable contact 5 fixed to one end of the magnetic component 1 by the fixing member 4, and the stationary contact 6 corresponding to the movable contact 5; the iron piece 3 and the magnetic component 1 have a gap therebetween.
  • the working process of the electromagnetic relay is as follows: Taking the electromagnetic relay shown in FIG. 3 as an example, a positive pulse current is supplied to the coil 2 through the control circuit 90, and the magnetic component 1 moves upward to close the movable contact and the stationary contact.
  • the working circuit 91 is activated, and the magnetic component 1 is adsorbed on the upper iron piece under the action of its own magnetic force to keep the movable contact and the static contact closed; the connection between the movable contact and the static contact is required to be broken, and the control circuit 90 is
  • the coil 2 provides a reverse pulse current, and the magnetic component 1 moves downward and is attracted to the lower iron piece by its own magnetic force.
  • the electromagnetic relay does not need to continuously input current to maintain the closed state, saves power, has a long service life, and does not need to be provided with a reset spring structure to be more compact, which is advantageous for reducing the volume.
  • the fixing assembly 4 includes an insulating cap 41 fixed to one end of the magnetic component 1, and a spring piece 42 connecting the insulating cap 41 and the movable contact 5.
  • the insulating cap is arranged to prevent the magnetic component from being inserted into the working circuit 91, and the spring piece is arranged to ensure a sufficient bonding force between the movable contact and the stationary contact in the closed state to prevent them from being dislocated due to vibration.
  • the working circuit 91 is caused to open abnormally, thereby improving the reliability of the electromagnetic relay.
  • the electromagnetic relay further includes a guiding cylinder 7, and the coil 2 is sleeved on the guiding cylinder 7.
  • the guide bush 7 is provided with a guide hole having a shape adapted to the magnetic component 1, and the magnetic component is movably disposed in the guide hole.
  • the guiding cylinder guides the magnetic component.
  • the present invention provides a magnetic assembly comprising two permanent magnets disposed in opposite poles and connected between two permanent magnets and for shielding opposite ends of two permanent magnets.
  • a magnetic shielding block ; and an electromagnetic relay is provided, the magnetic component is disposed in the inner hole of the coil, and iron pieces are disposed at both ends of the coil, and when the coil is energized to generate a magnetic field, the inner ends of the two permanent magnets are due to the action of the shielding block
  • the axial force is less than the axial force received by the outer end, and the outer end is subjected to the same force direction, so that the magnetic component can move to one end and finally adsorb on the iron piece without continuously feeding current to maintain the closed state. Conducive to prolonging the service life and reducing the volume.
  • the reliability of the connection between the shielding block and the permanent magnet is improved; the safety and reliability of the electromagnetic relay are improved by providing the insulating cap and the spring piece; The reliability of the relay.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

A magnetic assembly (1), comprising two permanent magnets (11) arranged with identical poles opposite to each other, and a shielding block (12) connected between the two permanent magnets (11) and used for shielding magnetic fields of the opposite ends of the two permanent magnets (11). An electromagnetic relay using the magnetic assembly (1), comprising a coil (2), the magnetic assembly (1) movably disposed in an inner hole of the coil (2), iron sheets (3) disposed at two ends of the coil (2), a movable contact (5) fixed at one end of the magnetic assembly (1) by means of a fixing assembly (4), and a stationary contact (6) adaptive to the movable contact (5). A gap is reserved between an iron sheet (3) and a corresponding end of the magnetic assembly (1).The electromagnetic relay is able to maintain an on/off state without continuously passing a current therethrough, such that power is saved, the service life is long, and the structure is compact.

Description

一种磁性组件及使用该磁性组件的电磁继电器 技术领域  Magnetic component and electromagnetic relay using the same
[0001] 本发明涉及磁电设备领域， 特别涉及一种磁性组件及使用该磁性组件的电磁继 电器。  [0001] The present invention relates to the field of magnetoelectric devices, and more particularly to a magnetic component and an electromagnetic relay using the same.
背景技术  Background technique
[0002] 现有技术中的电磁继电器一般靠电磁铁及复位弹簧进行幵关动作， 这种继电器 在使用吋需要持续通入电流， 以常幵的电磁继电器为例， 这种继电器进行闭合 动作吋， 需要持续通入电流来保持闭合， 否则动、 静触点会在复位弹簧的回复 力下复位。 因此， 这种电磁继电器的寿命较短， 而且一旦控制电路在工作过程 中出问题将会导致工作电路的误触发或者误关闭， 在某些场合这种错误是非常 危险的。  [0002] The electromagnetic relay in the prior art generally performs the switching operation by the electromagnet and the return spring. Such a relay needs to continuously input a current after being used. Taking a common electromagnetic relay as an example, the relay performs a closing operation. , It is necessary to continuously apply current to keep it closed, otherwise the moving and static contacts will be reset under the restoring force of the return spring. Therefore, such an electromagnetic relay has a short life, and once the control circuit has a problem during operation, it will cause a false trigger or a false shutdown of the working circuit, which is very dangerous in some cases.
[0003] 可见， 现有技术还有待改进和提高。  [0003] It can be seen that the prior art still needs to be improved and improved.
技术问题  technical problem
[0004] 鉴于上述现有技术的不足之处， 本发明的目的在于提供一种磁性组件及使用该 磁性组件的电磁继电器， 该电磁继电器无须持续通入电流来保持幵闭状态。 问题的解决方案  In view of the above-described deficiencies of the prior art, it is an object of the present invention to provide a magnetic assembly and an electromagnetic relay using the same that does not require continuous current flow to maintain a closed state. Problem solution
技术解决方案  Technical solution
[0005] 为了达到上述目的， 本发明采取了以下技术方案： [0005] In order to achieve the above object, the present invention adopts the following technical solutions:
[0006] 一种磁性组件， 包括两个以同极相对的方式设置的永磁铁， 以及连接在两个永 磁铁之间、 并用于屏蔽两个永磁铁相对端的磁场的屏蔽块。  A magnetic assembly includes two permanent magnets disposed in opposite poles, and a shield block coupled between the two permanent magnets and used to shield the magnetic fields at opposite ends of the two permanent magnets.
[0007] 所述的磁性组件， 其中， 所述屏蔽块的材料为铁。 [0007] The magnetic component, wherein the material of the shielding block is iron.
[0008] 所述的磁性组件， 其中， 所述屏蔽块两端各设置有形状与永磁铁相适应的套孔 [0008] The magnetic component, wherein both ends of the shielding block are respectively provided with a sleeve hole having a shape adapted to the permanent magnet
， 两个永磁铁分别固定在两个套孔中。 Two permanent magnets are respectively fixed in the two sets of holes.
[0009] 所述的磁性组件， 其中， 所述永磁铁通过胶接、 焊接或螺纹连接固定在套孔中 [0009] The magnetic component, wherein the permanent magnet is fixed in the sleeve hole by gluing, welding or screwing
[0010] 一种使用所述的磁性组件的电磁继电器， 包括线圈， 可移动地设置在线圈内孔 中的磁性组件， 设置在线圈两端的铁片， 通过固定组件固定在磁性组件一端的 动触点， 以及与动触点对应的静触点； 所述铁片与磁性组件两端之间具有间隙 [0010] An electromagnetic relay using the magnetic component, comprising a coil, movably disposed in a coil inner bore a magnetic component, an iron piece disposed at both ends of the coil, a movable contact fixed to one end of the magnetic component by the fixing component, and a static contact corresponding to the movable contact; a gap between the iron piece and the magnetic component
[0011] 所述的电磁继电器， 其中， 所述固定组件包括固定在磁性组件一端的绝缘帽， 以及连接绝缘帽和动触点的弹簧片。 [0011] The electromagnetic relay, wherein the fixing component comprises an insulating cap fixed at one end of the magnetic component, and a spring piece connecting the insulating cap and the movable contact.
[0012] 所述的电磁继电器， 还包括一个导筒， 所述线圈套设在导筒上， 导筒上幵设有 形状与磁性组件相适应的导孔， 磁性组件可移动的设置在该导孔中。  [0012] The electromagnetic relay further includes a guiding sleeve, the coil is sleeved on the guiding cylinder, and the guiding cylinder is provided with a guiding hole shaped to be adapted to the magnetic component, and the magnetic component is movably disposed on the guiding In the hole.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0013] 本发明提供了一种磁性组件， 包括两个以同极相对的方式设置的永磁铁， 以及 连接在两个永磁铁之间、 并用于屏蔽两个永磁铁相对端的磁场的屏蔽块； 并提 供了一种电磁继电器， 把所述磁性组件设置于线圈内孔， 在线圈两端设置铁片 ， 当线圈通电产生磁场， 由于屏蔽块的作用， 两个永磁铁内端受到的轴向力小 于外端受到的轴向力， 且外端受力方向相同， 从而使磁性组件能够向某一端运 动， 最终吸附在铁片上， 无须持续通入电流来保持幵闭状态。  [0013] The present invention provides a magnetic assembly comprising two permanent magnets disposed in opposite poles, and a shielding block connected between two permanent magnets and used to shield magnetic fields at opposite ends of the two permanent magnets; An electromagnetic relay is provided. The magnetic component is disposed in the inner hole of the coil, and iron pieces are disposed at both ends of the coil. When the coil is energized to generate a magnetic field, the axial force of the inner ends of the two permanent magnets is affected by the shielding block. It is smaller than the axial force received by the outer end, and the outer end is subjected to the same force direction, so that the magnetic component can move to one end and finally adsorb on the iron piece without continuously feeding current to maintain the closed state.
对附图的简要说明  Brief description of the drawing
附图说明  DRAWINGS
[0014] 图 1为本发明提供的磁性组件的平面结构示意图。  1 is a schematic plan view showing the structure of a magnetic component provided by the present invention.
[0015] 图 2为本发明提供的磁性组件的立体结构示意图。 2 is a schematic perspective view of a magnetic component provided by the present invention.
[0016] 图 3为本发明提供的电磁继电器的结构示意图。 3 is a schematic structural view of an electromagnetic relay provided by the present invention.
实施该发明的最佳实施例  BEST MODE FOR CARRYING OUT THE INVENTION
本发明的最佳实施方式  BEST MODE FOR CARRYING OUT THE INVENTION
[0017] 本发明提供一种磁性组件及使用该磁性组件的电磁继电器， 为使本发明的目的 、 技术方案及效果更加清楚、 明确， 以下参照附图并举实施例对本发明进一步 详细说明。 应当理解， 此处所描述的具体实施例仅用以解释本发明， 并不用于 限定本发明。 The present invention provides a magnetic component and an electromagnetic relay using the same. The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
[0018] 请参阅图 1-2， 本发明提供一种磁性组件， 包括两个以同极 （S极或 N极均可） 相对的方式设置的永磁铁 11， 以及连接在两个永磁铁 11之间、 并用于屏蔽两个 永磁铁 11相对端的磁场的屏蔽块 12。 当把该磁性组件设置与线圈内孔吋， 两个 永磁铁相对设置的一端由于屏蔽块的屏蔽作用， 受到线圈磁场的作用力会减弱 ， 而相背的设置的一端受到的影响小， 因此每个磁铁受到的总轴向力不为零， 且两个磁铁受到轴向力同向， 实现了磁性组件在线圈磁场中受力移动的功能。 Referring to FIG. 1-2, the present invention provides a magnetic component including two same poles (S or N poles) The permanent magnet 11 is disposed in an opposite manner, and the shield block 12 is connected between the two permanent magnets 11 and shields the magnetic field at the opposite ends of the two permanent magnets 11. When the magnetic component is disposed in the inner hole of the coil, the opposite end of the two permanent magnets is weakened by the shielding effect of the shielding block due to the shielding effect of the shielding block, and the opposite end of the opposite arrangement is less affected, so each The total axial force of the magnets is not zero, and the two magnets are subjected to the same axial force, which realizes the function of the magnetic components to move under the magnetic field of the coil.
[0019] 具体的， 所述屏蔽块 12的材料为铁。 屏蔽块的材料还可以是其他导磁率较大的 金属。 [0019] Specifically, the material of the shielding block 12 is iron. The material of the shielding block can also be other metals with a large magnetic permeability.
[0020] 为了方便永磁铁 11与屏蔽块 12的连接， 所述屏蔽块 12两端各设置有形状与永磁 铁 11相适应的套孔 121， 两个永磁铁 11分别固定在两个套孔 121中。 这样可以使 永磁铁与屏蔽块的连接更加牢固。  [0020] In order to facilitate the connection of the permanent magnet 11 and the shielding block 12, the shielding block 12 is respectively provided with a sleeve hole 121 having a shape adapted to the permanent magnet 11, and the two permanent magnets 11 are respectively fixed to the two sleeve holes 121. in. This makes the connection between the permanent magnet and the shield block stronger.
[0021] 具体的， 所述永磁铁 11通过胶接、 焊接或螺纹连接固定在套孔 121中。  [0021] Specifically, the permanent magnet 11 is fixed in the sleeve hole 121 by gluing, welding or screwing.
[0022] 请参阅图 3， 本发明提供一种使用所述的磁性组件的电磁继电器， 包括线圈 2， 可移动地设置在线圈 2内孔中的磁性组件 1， 设置在线圈 2两端的铁片 3， 通过固 定组件 4固定在磁性组件 1一端的动触点 5， 以及与动触点 5对应的静触点 6; 所述 铁片 3与磁性组件 1两端之间具有间隙。  Referring to FIG. 3, the present invention provides an electromagnetic relay using the magnetic assembly, comprising a coil 2, a magnetic component 1 movably disposed in a hole in the coil 2, and an iron piece disposed at both ends of the coil 2. 3. The movable contact 5 fixed to one end of the magnetic component 1 by the fixing member 4, and the stationary contact 6 corresponding to the movable contact 5; the iron piece 3 and the magnetic component 1 have a gap therebetween.
[0023] 该电磁继电器的工作过程如下： 以图 3所示电磁继电器为例， 通过控制电路 90 向线圈 2提供一个正向脉冲电流， 磁性组件 1向上运动， 使动触点与静触点闭合 ， 工作电路 91启动， 磁性组件 1在自身磁力作用下会吸附在上方铁片上， 保持动 触点与静触点闭合； 需要断幵动触点与静触点的连接吋， 通过控制电路 90向线 圈 2提供一个反向脉冲电流， 磁性组件 1向下运动并在自身磁力作用下会吸附在 下方铁片上。 该电磁继电器无须持续通入电流来保持幵闭状态， 节省电源， 使 用寿命长， 而且无需设置复位弹簧结构更加紧凑， 有利于缩小体积。  [0023] The working process of the electromagnetic relay is as follows: Taking the electromagnetic relay shown in FIG. 3 as an example, a positive pulse current is supplied to the coil 2 through the control circuit 90, and the magnetic component 1 moves upward to close the movable contact and the stationary contact. The working circuit 91 is activated, and the magnetic component 1 is adsorbed on the upper iron piece under the action of its own magnetic force to keep the movable contact and the static contact closed; the connection between the movable contact and the static contact is required to be broken, and the control circuit 90 is The coil 2 provides a reverse pulse current, and the magnetic component 1 moves downward and is attracted to the lower iron piece by its own magnetic force. The electromagnetic relay does not need to continuously input current to maintain the closed state, saves power, has a long service life, and does not need to be provided with a reset spring structure to be more compact, which is advantageous for reducing the volume.
[0024] 进一步的， 见图 3， 所述固定组件 4包括固定在磁性组件 1一端的绝缘帽 41， 以 及连接绝缘帽 41和动触点 5的弹簧片 42。 绝缘帽的设置可以防止磁性组件接入到 工作电路 91中， 而弹簧片的设置能够保证闭合状态下， 动触点与静触点之间具 有足够的贴合力， 以防止它们由于振动而脱幵造成工作电路 91非正常断路， 从 而提高电磁继电器的可靠性。  [0024] Further, referring to FIG. 3, the fixing assembly 4 includes an insulating cap 41 fixed to one end of the magnetic component 1, and a spring piece 42 connecting the insulating cap 41 and the movable contact 5. The insulating cap is arranged to prevent the magnetic component from being inserted into the working circuit 91, and the spring piece is arranged to ensure a sufficient bonding force between the movable contact and the stationary contact in the closed state to prevent them from being dislocated due to vibration. The working circuit 91 is caused to open abnormally, thereby improving the reliability of the electromagnetic relay.
[0025] 优选的， 见图 3， 所述电磁继电器还包括一个导筒 7， 所述线圈 2套设在导筒 7上 ， 导筒 7上幵设有形状与磁性组件 1相适应的导孔， 磁性组件可移动的设置在该 导孔中。 导筒对磁性组件起导向作用， 通过提高导孔和磁性组件的配合精度， 能够有效防止磁性组件的晃动， 避免动、 静触点无法对准， 也避免了闭合状态 下磁性组件晃动使动、 静触点脱幵， 进一步提高电磁继电器的可靠性。 [0025] Preferably, as shown in FIG. 3, the electromagnetic relay further includes a guiding cylinder 7, and the coil 2 is sleeved on the guiding cylinder 7. The guide bush 7 is provided with a guide hole having a shape adapted to the magnetic component 1, and the magnetic component is movably disposed in the guide hole. The guiding cylinder guides the magnetic component. By improving the matching precision between the guiding hole and the magnetic component, the shaking of the magnetic component can be effectively prevented, the dynamic and static contacts can be prevented from being aligned, and the magnetic component is prevented from being shaken in the closed state. The static contact is dislocated to further improve the reliability of the electromagnetic relay.
[0026] 综上所述， 本发明提供了一种磁性组件， 包括两个以同极相对的方式设置的永 磁铁， 以及连接在两个永磁铁之间、 并用于屏蔽两个永磁铁相对端的磁场的屏 蔽块； 并提供了一种电磁继电器， 把所述磁性组件设置于线圈内孔， 在线圈两 端设置铁片， 当线圈通电产生磁场， 由于屏蔽块的作用， 两个永磁铁内端受到 的轴向力小于外端受到的轴向力， 且外端受力方向相同， 从而使磁性组件能够 向某一端运动， 最终吸附在铁片上， 无须持续通入电流来保持幵闭状态， 有利 于延长使用寿命和缩小体积。  In summary, the present invention provides a magnetic assembly comprising two permanent magnets disposed in opposite poles and connected between two permanent magnets and for shielding opposite ends of two permanent magnets. a magnetic shielding block; and an electromagnetic relay is provided, the magnetic component is disposed in the inner hole of the coil, and iron pieces are disposed at both ends of the coil, and when the coil is energized to generate a magnetic field, the inner ends of the two permanent magnets are due to the action of the shielding block The axial force is less than the axial force received by the outer end, and the outer end is subjected to the same force direction, so that the magnetic component can move to one end and finally adsorb on the iron piece without continuously feeding current to maintain the closed state. Conducive to prolonging the service life and reducing the volume.
[0027] 此外， 通过在屏蔽块上设置套孔， 提高屏蔽块与永磁体连接的可靠性； 通过设 置绝缘帽和弹簧片， 提高电磁继电器的安全性和可靠性； 通过设置导筒进一步 提高电磁继电器的可靠性。  [0027] In addition, by providing a sleeve hole on the shielding block, the reliability of the connection between the shielding block and the permanent magnet is improved; the safety and reliability of the electromagnetic relay are improved by providing the insulating cap and the spring piece; The reliability of the relay.
[0028] 可以理解的是， 对本领域普通技术人员来说， 可以根据本发明的技术方案及其 发明构思加以等同替换或改变， 而所有这些改变或替换都应属于本发明所附的 权利要求的保护范围。  [0028] It is to be understood that those skilled in the art can make equivalent substitutions or changes in accordance with the technical solutions of the present invention and the inventive concept thereof, and all such changes or substitutions should belong to the appended claims. protected range.

Claims

权利要求书 Claim
[权利要求 1] 一种磁性组件， 其特征在于， 包括两个以同极相对的方式设置的永磁 铁， 以及连接在两个永磁铁之间、 并用于屏蔽两个永磁铁相对端的磁 场的屏蔽块。  [Claim 1] A magnetic component comprising: two permanent magnets disposed in opposite poles, and a shield connected between two permanent magnets and shielding a magnetic field at opposite ends of the two permanent magnets Piece.
[权利要求 2] 根据权利要求 1所述的磁性组件， 其特征在于， 所述屏蔽块的材料为 铁。  [Claim 2] The magnetic component according to claim 1, wherein the material of the shielding block is iron.
[权利要求 3] 根据权利要求 1所述的磁性组件， 其特征在于， 所述屏蔽块两端各设 置有形状与永磁铁相适应的套孔， 两个永磁铁分别固定在两个套孔中  [Claim 3] The magnetic component according to claim 1, wherein each of the two ends of the shielding block is provided with a sleeve hole having a shape adapted to the permanent magnet, and the two permanent magnets are respectively fixed in the two sleeve holes.
[权利要求 4] 根据权利要求 3所述的磁性组件， 其特征在于， 所述永磁铁通过胶接[Claim 4] The magnetic component according to claim 3, wherein the permanent magnet is bonded
、 焊接或螺纹连接固定在套孔中。 , welded or threaded into the hole in the sleeve.
[权利要求 5] —种使用权利要求 1-4任一项所述的磁性组件的电磁继电器， 其特征 在于， 包括线圈， 可移动地设置在线圈内孔中的磁性组件， 设置在线 圈两端的铁片， 通过固定组件固定在磁性组件一端的动触点， 以及与 动触点对应的静触点； 所述铁片与磁性组件两端之间具有间隙。 [Claim 5] An electromagnetic relay using the magnetic assembly according to any one of claims 1 to 4, characterized by comprising a coil, a magnetic component movably disposed in the inner hole of the coil, disposed at both ends of the coil An iron piece, a movable contact fixed to one end of the magnetic component by a fixing component, and a static contact corresponding to the movable contact; the iron piece and the magnetic component have a gap therebetween.
[权利要求 6] 根据权利要求 5所述的电磁继电器， 其特征在于， 所述固定组件包括 固定在磁性组件一端的绝缘帽， 以及连接绝缘帽和动触点的弹簧片。 [Claim 6] The electromagnetic relay according to claim 5, wherein the fixing assembly includes an insulating cap fixed to one end of the magnetic component, and a spring piece connecting the insulating cap and the movable contact.
[权利要求 7] 根据权利要求 5所述的电磁继电器， 其特征在于， 还包括一个导筒， 所述线圈套设在导筒上， 导筒上幵设有形状与磁性组件相适应的导孔[Claim 7] The electromagnetic relay according to claim 5, further comprising a guide bush, the coil is sleeved on the guide cylinder, and the guide cylinder is provided with a guide hole having a shape adapted to the magnetic component
， 磁性组件可移动的设置在该导孔中。 The magnetic component is movably disposed in the guide hole.
PCT/CN2017/088935 2017-05-08 2017-06-19 Magnetic assembly and electromagnetic relay using the magnetic assembly WO2018205352A1 (en)

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