CN107237901A - 电磁阀 - Google Patents

电磁阀 Download PDF

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CN107237901A
CN107237901A CN201610881592.1A CN201610881592A CN107237901A CN 107237901 A CN107237901 A CN 107237901A CN 201610881592 A CN201610881592 A CN 201610881592A CN 107237901 A CN107237901 A CN 107237901A
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foreign matter
coil
keeper
magnetic
port
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CN107237901B (zh
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李俊澔
金永哲
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Hyundai Motor Co
Kia Corp
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Hyundai Motor Co
Kia Motors Corp
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    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
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    • B03C1/30—Combinations with other devices, not otherwise provided for
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    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/061—Sliding valves
    • F16K31/0613—Sliding valves with cylindrical slides
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    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
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    • B03C1/025—High gradient magnetic separators
    • B03C1/031—Component parts; Auxiliary operations
    • B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
    • B03C1/0335—Component parts; Auxiliary operations characterised by the magnetic circuit using coils
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    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/23—Magnetic separation acting directly on the substance being separated with material carried by oscillating fields; with material carried by travelling fields, e.g. generated by stationary magnetic coils; Eddy-current separators, e.g. sliding ramp
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/28—Magnetic plugs and dipsticks
    • B03C1/286—Magnetic plugs and dipsticks disposed at the inner circumference of a recipient, e.g. magnetic drain bolt
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    • 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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/061—Sliding valves
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0686—Braking, pressure equilibration, shock absorbing
    • F16K31/0693—Pressure equilibration of the armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
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    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
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Abstract

一种电磁阀，包括：产生电磁力的磁力产生线圈；阀芯，根据由磁力产生线圈产生的电磁力而往复运动；保持件，阀芯插入保持件的中空部内，并且保持件形成有根据阀芯的往复运动而开闭的多个端口；当电力施加至磁力产生线圈时收集异物以用作电磁铁的异物收集线圈；以及异物排出端口，形成在保持件中，并且当对异物收集线圈的电力供应解除时将收集在异物收集线圈中的异物排出至外部。

Description

电磁阀
技术领域
本发明涉及电磁阀，且更具体地，涉及一种能够防止内部压力上升的电磁阀。
背景技术
一般地，电磁阀主要分为用于液压回路的液压电磁阀、用于气动回路的空气电磁阀、仅使用电磁力的电磁阀等等。
其中，液压电磁阀控制从液压泵产生的液压的流动，以便启动、停止、改变操作装置的运动方向等。
例如，液压电磁阀可用于例如车辆的自动变速器的操作装置。自动变速器包括多个摩擦元件，例如通过液压操作实现各种变速挡位的离合器和制动器。即，液压电磁阀控制摩擦元件的操作。特别是，当液压电磁阀安装在混合动力车辆的发动机离合器上时，液压电磁阀的操作决定了选择性连接发动机和电动机的混合动力车辆的基本性能。
然而，当进入电磁阀内的异物影响电磁阀的内部压力时，发动机驱动车辆或混合动力车辆的自动变速器的性能会恶化。自动变速器的性能的恶化对于驾驶者满意度具有不利影响，并且可导致重大事故。
在本背景技术部分中所公开的以上信息仅用于增强对本发明背景的理解，因此其可包含不构成本国内本领域普通技术人员已知的现有技术的信息。
发明内容
本发明致力于提供一种具有防止由于异物导致内部压力过度上升的优点的电磁阀。
根据本发明的示例性实施例，一种电磁阀包括：被施加电力以产生电磁力的磁力产生线圈；根据由磁力产生线圈产生的电磁力而往复运动的阀芯；保持件，阀芯插入其中空部内，并且形成有根据阀芯的往复运动而开闭的多个端口；当电力施加至磁力产生线圈时被施加电力用作电磁铁从而收集异物的异物收集线圈；以及异物排出端口，形成在保持件中，并且当对异物收集线圈的电力供应解除时将收集在异物收集线圈中的异物排出至外部。
电磁阀还可包括：包括保持件和阀芯的保持部；磁性部，包括磁力产生线圈和通过由磁力产生线圈产生的电磁力而往复运动的柱塞；以及形成保持部与磁性部之间的边界的芯部。
当电力施加至磁力产生线圈时，阀芯可由柱塞推压，并且当对磁力产生线圈的电力供应解除时，阀芯可通过弹性部件返回至初始位置。
异物收集线圈可设置在芯部与保持件之间，并且异物排出端口可形成在异物收集线圈与芯部之间。
电磁阀还可包括：将渗入磁性部中的油排出至外部的排出通道，其中异物排出端口可设置在异物收集线圈与排出通道之间。
多个端口可包括：形成用于将油供应至保持件中并且根据阀芯的往复运动而选择性地开闭的进油端口；形成用于将保持件中的油排出并且根据阀芯的往复运动而选择性地开闭的出油端口；以及始终开放用于将通过进油端口供应的油排出的控制端口。
当进油端口开放时出油端口可封闭，并且当进油端口封闭时出油端口可开放。
异物收集线圈可设置在异物排出端口与出油端口之间。
附图说明
图1是根据本发明的示例性实施例的电磁阀的示意图。
具体实施方式
以下将参照附图详细说明本发明的示例性实施例。
图1是根据本发明的示例性实施例的电磁阀的示意图。
如图1中所示，根据本发明的示例性实施例的电磁阀100包括保持部H，磁性部M，以及形成保持部H与磁性部M之间的边界的芯部140。
保持部H包括保持件110和阀芯117。
保持件110是保持部H的阀体，并具有中空的圆筒形状。另外，保持件110具有多个端口P1、P2、P3和P4。此外，多个端口P1、P2、P3和P4形成为贯穿保持件110，使得保持件110的内侧和外侧彼此连通。
阀芯117插入保持件110的中空部，以便沿保持件110的长度方向往复运动。阀芯117包括几乎无空隙地插入保持件110的内周面的第一台肩L1和第二台肩L2，以及形成为比第一和第二台肩L1、L2相对更细的连接第一台肩L1和第二台肩L2的芯轴S。此外，在阀芯117的一端与保持件110的内表面之间设置弹性部件115，以便将阀芯117压向保持件110的长度方向的一侧。另外，阀芯117的另一端延伸至芯部140的附近。
多个端口P1、P2、P3和P4包括进油端口P1、出油端口P2和控制端口P3。
进油端口P1根据阀芯117的往复运动选择性地开闭。因此，进油端口P1选择性地与第一台肩L1和第二台肩L2之间的空间连通。这里，进油端口P1由第一台肩L1封闭。第一台肩L1比第二台肩L2相对更接近阀芯117的一端。此外，当进油端口P1与第一台肩L1和第二台肩L2之间的空间连通时，油通过进油端口P1流入第一台肩L1和第二台肩L2之间的空间。
出油端口P2根据阀芯117的往复运动选择性地开闭。因此，出油端口P2选择性地与第一台肩L1和第二台肩L2之间的空间连通。另外，出油端口P2由第二台肩L2封闭。此外，当出油端口P2与第一台肩L1和第二台肩L2之间的空间连通时，第一台肩L1和第二台肩L2之间的空间内的油通过出油端口P2排出。当第一台肩L1和第二台肩L2之间的空间与出油端口P2彼此连通时，进油端口P1由第一台肩L1封闭。这里，第二台肩L2布置在阀芯117的另一端，并且出油端口P2布置为邻接芯部140。
控制端口P3始终与第一台肩L1和第二台肩L2之间的空间连通。因此，流入进油端口P1中的油经由阀芯117的第一台肩L1和第二台肩L2之间的空间排出至控制端口P3。此外，排出至控制端口P3的油被提供用于控制与控制端口P3连通的液压设备(未示出)。通过出油端口P2排出的油是未通过控制端口P3排出的剩余的油。
磁性部M产生电磁力，并且包括壳体130、磁力产生线圈135、柱塞120和排出通道145。
壳体130是磁性部M的阀体，并具有中空的圆筒形状。
磁力产生线圈135布置在壳体130的内周面上。此外，磁力产生线圈135被施加电力以产生电磁力。
柱塞120沿壳体130的长度方向往复运动。此外，柱塞120与由磁力产生线圈135的中空部内的磁轭125围绕的铁心127一体地设置。即，当磁力产生线圈135被施加电力以产生电磁力时，柱塞120与铁心127一起纵向移动。在此情况下，柱塞120的一端贯穿芯部140接触阀芯117的另一端，并且柱塞120通过由磁力产生线圈135产生的电磁力将阀芯117的另一端朝向其一端推压。因此，进油端口P1通过由磁力产生线圈135产生的电磁力开放，并且当电磁力解除时，阀芯117通过弹性部件115返回至初始位置将进油端口P1封闭。
排出通道145形成为将从保持件110的中空部通过芯部140渗入磁力产生线圈135的中空部内的油排出至外部。
然而，当渗入保持件110的中空部内的铁成分的异物增加时，具有大比重的铁成分的异物未通过出油端口P2排出，因此保持件110的中空部的内部压力增加。此外，即使由于保持件110的中空部的增加的内部压力使具有大比重的铁成分的异物溢流至磁力产生线圈135的中空部内，异物也不流经排出通道145而是会累积。
以下，将说明用于解决该问题的根据本发明的示例性实施例的结构。
根据本发明的电磁阀100还包括异物收集线圈150和异物排出端口P4。
异物收集线圈150设置在芯部140与出油端口P2之间。此外，当电力施加至磁力产生线圈135时，异物收集线圈150被施加电力以用作电磁铁。成为电磁铁的异物收集线圈150收集未排出至出油端口P2的铁成分的异物。
异物排出端口P4是形成于保持件110中的多个端口P1、P2、P3和P4之一，并且设置在异物收集线圈150与芯部140之间。此外，当对异物收集线圈150和磁力产生线圈135的电力供应解除时，异物收集线圈150的电磁铁功能被解除。因此，在异物收集线圈150中收集的铁成分的异物被排出异物排出端口P4之外。
如上所述，根据本发明的示例性实施例，设置有异物收集线圈150并形成有异物排出端口P4，从而有效地排出电磁阀100内的异物。因此，能够通过防止内部压力过度上升而保证电磁阀100的性能。
虽然已结合目前被认为实际的示例性实施例说明了本发明，但是应当理解，本发明并不限于所公开的实施例。相反，本发明意在涵盖包括在所附权利要求的思想和范围内的各种改型和等同配置。

Claims (6)

1.一种电磁阀，包括：
产生电磁力的磁力产生线圈；
阀芯，根据由所述磁力产生线圈产生的电磁力而往复运动；
保持件，所述阀芯插入所述保持件的中空部内，并且所述保持件形成有根据所述阀芯的往复运动而开闭的多个端口；
当电力供应至所述磁力产生线圈时收集异物的用作电磁铁的异物收集线圈；以及
异物排出端口，形成在所述保持件中，并且当对所述异物收集线圈的电力供应解除时将收集在所述异物收集线圈中的异物排出至外部。
2.根据权利要求1所述的电磁阀，还包括：
保持部，包括所述保持件和所述阀芯；
磁性部，包括所述磁力产生线圈，和通过由所述磁力产生线圈产生的电磁力而往复运动的柱塞；以及
芯部，形成所述保持部与所述磁性部之间的边界，
其中，当电力供应至所述磁力产生线圈时，所述阀芯由所述柱塞推压，并且当对所述磁力产生线圈的电力供应解除时，所述阀芯通过弹性部件返回至初始位置。
3.根据权利要求2所述的电磁阀，其中：
所述异物收集线圈设置在所述芯部与所述保持件之间，并且所述异物排出端口形成在所述异物收集线圈与所述芯部之间。
4.根据权利要求2所述的电磁阀，还包括：
将渗入所述磁性部中的油排出至外部的排出通道，
其中，所述异物排出端口设置在所述异物收集线圈与所述排出通道之间。
5.根据权利要求1所述的电磁阀，其中所述多个端口包括：
形成用于将油供应至所述保持件中的进油端口，所述进油端口根据所述阀芯的往复运动而选择性地开闭；
形成用于将所述保持件中的油排出的出油端口，所述出油端口根据所述阀芯的往复运动而选择性地开闭；以及
始终开放用于将通过所述进油端口供应的油排出的控制端口，并且
当所述进油端口开放时所述出油端口封闭，而且当所述进油端口封闭时所述出油端口开放。
6.根据权利要求5所述的电磁阀，其中：
所述异物收集线圈设置在所述异物排出端口与所述出油端口之间。
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