WO2022247699A1 - 一种耐高温的真空电磁阀 - Google Patents

一种耐高温的真空电磁阀 Download PDF

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Publication number
WO2022247699A1
WO2022247699A1 PCT/CN2022/093522 CN2022093522W WO2022247699A1 WO 2022247699 A1 WO2022247699 A1 WO 2022247699A1 CN 2022093522 W CN2022093522 W CN 2022093522W WO 2022247699 A1 WO2022247699 A1 WO 2022247699A1
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Prior art keywords
valve
valve body
coil
valve stem
assembly
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PCT/CN2022/093522
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English (en)
French (fr)
Inventor
曹秀霞
陈卫东
欧阳华甫
刘盛进
肖永川
吕永佳
李辉
朱仁丽
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散裂中子源科学中心
中国科学院高能物理研究所
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Publication of WO2022247699A1 publication Critical patent/WO2022247699A1/zh

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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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0254—Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/029—Electromagnetically actuated 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
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift 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
    • F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
    • F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations

Definitions

  • the invention relates to a solenoid valve, in particular to a high-temperature-resistant vacuum solenoid valve which can work normally in a high-temperature environment.
  • Solenoid valve is an industrial equipment controlled by electromagnetic. It is an automatic basic component used to control fluid. It belongs to actuator. It is used to adjust the direction, flow, speed and other parameters of medium in industrial control system.
  • Vacuum solenoid valve Acting in the pipeline system it can use the electromagnetic principle to realize the vacuum treatment of the pipeline, and at the same time realize the electromagnetic control, which can have a greater impact on the entire working state of the pipeline system, and the use of vacuum solenoid valves can also effectively avoid other undesired conditions.
  • the closing part is lifted from the valve seat, and the valve opens; when the power is cut off, the electromagnetic force disappears, and the spring presses the closing part on the valve seat, and the valve closes;
  • the enameled wire can withstand a high temperature of 120°C at most. Once it is higher than 120°C, the insulating layer of the enameled wire will melt, and the copper wires in the enameled wire will short-circuit each other, causing the electromagnet to burn out.
  • the heat insulation effect of the existing solenoid valve medium and the electromagnet is not good. Well, it is easy to cause the enameled wire to melt; and most of the conventional solenoid valves adopt a split design, which has the problems of complex structure, poor opening and closing movement of the valve stem, large space occupation and slow pumping.
  • the present invention aims to provide a solenoid valve, especially a high-temperature-resistant vacuum solenoid valve that continuously works in a high-temperature environment, aiming at the technical deficiency of using a solenoid valve in a high-temperature environment.
  • a high temperature resistant vacuum solenoid valve the solenoid valve includes a valve body assembly and an electromagnetic coil assembly that are mutually resisted and contacted, wherein the valve body assembly includes valves that are connected to each other in a reciprocating motion Body body and valve stem, wherein the valve body body is a three-way tube-type vacuum pipeline structure with a main cavity;
  • the electromagnetic coil assembly includes a bracket and a coil assembly installed on the bracket, and the coil in the coil assembly is made of polyester Imide compound amide enamelled copper wire winding.
  • One end port of the main cavity of the valve body body is the port through which the valve stem enters and exits the interior of the valve body body, and the other two ports are respectively connected to the extended through pipe, wherein the valve body body is made of stainless steel, and the valve stem is made of red copper. Material, extended style tube is stainless steel tube.
  • the valve body assembly also includes a spring, a valve stem connecting piece and a sealing cap.
  • One end of the valve stem is docked with the interior of the valve body body, and the other end is connected to the valve stem connecting piece after passing through the spring.
  • the sealing cap is installed behind the valve body connecting piece. The valve stem at the end enters and exits the port inside the valve body body, and the valve stem is sealed inside the valve body body to form a reciprocating relative motion connection with the valve body body.
  • the coil assembly is installed on one side of the bracket, and the other side is in contact with the sealing cap and fixedly connected through the bracket connecting block.
  • the connecting piece of the valve stem is connected with the valve stem through screws.
  • valve stem One end of the valve stem is designed as a piston port, and the other end is designed as a rod-shaped entity.
  • the coil assembly includes a coil and a baffle, and the coil is fixedly installed on one side of the support through the baffle.
  • valve stem After one end of the valve stem passes through the spring, it passes through the blocking block and is connected with the connecting piece of the valve stem.
  • the main body of the valve body in the present invention adopts an integrated three-way pipe structure, the structure is simple and the footprint is small, and the main body of the valve body in the present invention is made of stainless steel material with high hardness, the The rod is made of red copper material with low hardness. The two materials are different and the hardness is different, so that the valve rod can move smoothly in the main body of the valve body, and it is easy to realize the vacuum state in the main body of the valve body; in addition, the coil in the present invention adopts The high temperature resistant polyesterimide compound amide enamelled copper wire is wound, so that the whole valve body can withstand the high temperature of 220 degrees.
  • the three-way tube-type vacuum tube with the main cavity is welded in the form of argon arc welding, which can ensure that the water vapor, oxygen, hydrogen, etc. in the air cannot enter the cesium channel.
  • the main body of the valve body is a pipe for the circulation of cesium vapor
  • the two extended through pipes of the main body of the valve body and the main cavity are made of stainless steel tubes and connected by ferrule joints , easy to connect
  • the coil is wound with high temperature resistant polyesterimide compound amide enamelled copper wire so that the whole solenoid valve can be used in high temperature working environment as a whole, because the enameled wire inside the electromagnet can withstand a high temperature of 120°C at most, once it is higher than At 120°C, the insulating layer of the enameled wire melts, and the copper wires in the enameled wire will short-circuit each other, causing the electromagnet to burn out.
  • the coil in this invention is made of high-temperature-resistant polyesterimide composite amide enameled copper wire, which can withstand 220 degrees high temperature working environment.
  • Fig. 1 is the overall structural representation of the present invention
  • Fig. 2 is a schematic cross-sectional structure diagram of A-A direction in Fig. 1;
  • Fig. 3 is a schematic diagram of an exploded structure in the present invention.
  • 01-valve body assembly 02-electromagnetic coil assembly, 1-valve body body, 2-valve stem, 3-spring, 4-blocking block, 5-valve stem connecting piece, 6-sealing cap, 7 - Bracket connecting block, 8- bracket, 9- coil, 10- coil baffle.
  • Embodiment the high temperature resistant vacuum electromagnetic valve that is used for conducting cesium vapor
  • a high-temperature-resistant vacuum solenoid valve is mainly used for the conduction and blocking of cesium vapor.
  • Cesium metal is a very active metal that must be stored and used in a vacuum environment. Its melting point It is 28.44 degrees. When it is higher than 28.44 degrees, the liquid cesium will evaporate cesium vapor, and as the temperature increases, the evaporation of cesium will increase.
  • the high temperature resistant vacuum solenoid valve used to conduct cesium vapor includes a valve body assembly 01 and an electromagnetic coil assembly 02 that are connected against each other, wherein the valve body assembly 01 includes a valve body body 1 and a valve stem 2 that are connected to each other in a reciprocating motion , wherein the valve body body 1 is a three-way tubular structure with a main cavity, and two extended through tubes are connected with the main cavity, and the cavity pipeline is a vacuum pipeline.
  • the main cavity is The main means of maintaining vacuum in the three-way pipe structure is that the welding parts of the main cavity and the extended pipe are all air-tight welded by argon arc welding, and the vacuum pump is used to continuously evacuate to maintain a stable vacuum environment.
  • the one-piece three-way pipe structure makes the valve body body 1 simple in structure and small in floor space.
  • the main cavity port is the port through which the valve stem 2 enters and exits the valve body body 1.
  • the valve body body 1 is made of stainless steel.
  • the hardness is relatively hard, the valve stem 2 is made of red copper material, the hardness is low, the two materials are different, and the hardness does not change, so that the valve stem 2 can reciprocate smoothly in the cavity of the valve body body 1; the valve body body 1 is a belt
  • the main cavity has a three-way vacuum pipe structure, and the main body of the valve body is a pipe that conducts or blocks cesium vapor.
  • Cesium metal is a very active metal with a melting point of 28.44 degrees.
  • the two extended tubes on the valve body body 1 are made of stainless steel tubes.
  • the ferrule joints are used to connect, and the connection is convenient;
  • the electromagnetic coil assembly 02 includes a bracket and a coil assembly installed on the bracket 8, and the coil 9 in the coil assembly is wound with polyesterimide composite amide enamelled copper wire, which can withstand With a high temperature of 220 degrees, the entire solenoid valve can be used as a whole in a continuous high temperature working environment.
  • the valve body assembly 01 also includes a spring 3, a valve stem connecting piece 5 and a sealing cap 6.
  • One end of the valve stem 2 is designed as a piston port, and the other end is designed as a rod-shaped entity.
  • One end of the valve stem 2 piston port is connected to the valve body.
  • the main body 1 is docked inside, and one end of the rod-shaped entity penetrates the interior of the spring 3 and then passes through the blocking block 4 to connect with the valve stem connecting piece 5.
  • the valve stem connecting piece 5 is connected to the valve stem 2 through screws, and the sealing cap 6 is installed on the valve body connecting piece. 5.
  • the valve stem 2 at the rear end enters and exits the opening of the valve body main body 1, and the valve stem 2 is sealed in the valve body main body 1 to form a reciprocating relative movement connection with the valve body main body 1.
  • the coil assembly is installed on one side of the bracket 8, and the other side is in contact with the sealing cap 6 and fixedly connected through the bracket connecting block 7; the coil assembly includes a coil 9 and a baffle 10, and the coil 9 is fixed by the baffle 10 Installed on one side of the bracket 8.
  • the working principle of the present invention is: a vacuum solenoid valve with high temperature resistance, wherein the coil 9 is wound with polyesterimide composite amide enamelled copper wire, and the polyesterimide composite amide enamelled copper wire is wound so that the coil can withstand At a high temperature of 220°, when the coil 9 is energized, the bracket 8 generates magnetism, which generates electromagnetic attraction to the valve stem connecting piece 5.
  • the number of turns of the coil 9 and the contact area between the bracket 8 and the sealing cap 6 determine the magnitude of the electromagnetic force, and the electromagnetic force makes the valve
  • the connecting piece 5 of the body moves toward the direction close to the bracket 8, the connecting piece 5 of the valve body is connected with the valve stem 2 through a screw, at this time, the valve stem 2 is driven to move together, and the valve stem 2 is separated from the main body 1 of the valve body;
  • the main body 1 of the valve body is The three-way pipe structure of the main cavity, the cavity pipe is a vacuum pipe, so that the means of maintaining the vacuum of the three-way pipe structure with the main cavity is mainly that the welding parts of the main cavity and the extended through pipe are all welded by argon arc welding Airtight welding, and continuous vacuuming with a vacuum pump to maintain a stable vacuum environment, because the passage of cesium vapor in the entire valve is in the form of argon arc welding and airtight welding, which can ensure the moisture, oxygen, and hydrogen in the air etc.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)
  • Details Of Valves (AREA)

Abstract

一种耐高温的真空电磁阀；所述的电磁阀包括相互相抵接触连接的阀体组件(01)和电磁线圈(9)组件(02)，其中阀体组件(01)包括形成相互往复式运动连接的阀体主体(1)和阀杆(2)，阀体主体(1)采用不锈钢材料，阀杆(2)采用红铜材料，延长式通管为不锈钢管；所述的电磁线圈(9)组件(02)包括安装在支架上的线圈(9)组件，线圈(9)组件中的线圈(9)采用聚酯亚胺复合酰胺漆包铜线绕制，阀体主体(1)是铯蒸气流通的管道，本发明结构简单，阀杆(2)和阀体组件(01)的材料差异使得阀杆(2)可以在真空状态的阀体主体(1)中的往复运动较顺畅；另外本发明中的线圈(9)采用耐高温的聚酯亚胺复合酰胺漆包铜线绕制，使得整个电磁阀可以承受持续高温的工作环境。

Description

一种耐高温的真空电磁阀
本申请要求于2021年5月28日提交中国专利局、申请号为202110595321.0、发明名称为“一种耐高温的真空电磁阀”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种电磁阀，尤指一种能在高温环境下正常工作的一种耐高温的真空电磁阀。
背景技术
电磁阀(Electromagnetic valve)是用电磁控制的工业设备，是用来控制流体的自动化基础元件，属于执行器，用在工业控制系统中调整介质的方向、流量、速度和其他的参数，真空电磁阀作用在管道系统中，能够利用电磁原理，实现对管路进行真空处理，同时实现电磁控制，能够对管道系统的整个工作状态产生较大的影响，而且使用真空电磁阀还能够有效地避免其他不相干的因素对管道产生的影响，从而对管道系统的工作状态做出正确的调整；目前的电磁阀设计可以在真空、负压、零压时能正常工作，通电时，电磁线圈产生电磁力把关闭件从阀座上提起，阀门打开；断电时，电磁力消失，弹簧把关闭件压在阀座上，阀门关闭；但是目前一般设计的电磁铁与阀体都是刚性连接，电磁铁内漆包线最多承受120℃的高温，一旦高于120℃，漆包线绝缘层融化，漆包线内铜丝相互之间将短路，造成电磁铁烧坏，而现有电磁阀介质与电磁铁的隔热效果并不好，易造成漆包线融化；并且常规的电磁阀大多采用分体式的设计方式，这种分体式存在结构复杂、阀杆开闭运动不畅，且占用空间大和抽气慢的问题。
发明内容
本发明针对高温环境下使用电磁阀存在的技术不足，旨在提供一种电磁阀，尤指一种持续在高温环境下工作的耐高温的真空电磁阀。
本发明所采用的技术方案是：一种耐高温的真空电磁阀，所述的电磁阀包括相互相抵接触连接的阀体组件和电磁线圈组件，其中阀体组件包括形成相互往复式运动连接的阀体主体和阀杆，其中阀体主体为带主腔体的三通管式的真空管道结构；所述的电磁线圈组件包括支架和安装在支架上的线圈组件，线圈组件中的线圈采用聚酯亚胺复合酰胺漆包铜线绕制。
所述阀体主体的主腔体一端通口是阀杆进出阀体主体内部的通口，另外两个通口分别与延长式通管连接，其中阀体主体采用不锈钢材料，阀杆采用红铜材料，延长式通管为不锈钢管。
所述的阀体组件还包括弹簧、阀杆连接片和密封帽，阀杆一端与阀体主体内部对接，另外一端贯穿弹簧内部后与阀杆连接片连接，密封帽安装在阀体连接片后端的阀杆进出阀体主体内部的通口处，将阀杆密封在阀体主体内部与阀体主体形成往复式相对运动式连接。
所述的支架一侧安装有线圈组件，另外一侧与密封帽相抵接触并通过支架连接块固定连接。
所述的阀杆连接片通过螺钉和阀杆连接。
所述的阀杆一端为活塞式端口设计，另外一端是杆状实体设计。
所述的线圈组件包括线圈和挡板，线圈通过挡板固定安装在支架一侧。
所述的阀杆一端贯穿弹簧后，通过阻挡块后与阀杆连接片连接。
本发明的有益效果是：本发明中的阀体主体采用的是一体式的三通管式结构，结构简单占地面积小，且本发明中的阀体主体采用不锈钢材料，硬度较高，阀杆采用红铜材料，硬度较低，两者材料不同，硬度不同，使得阀杆可以在阀体主体中的往复运动较顺畅，容易实现阀体主体内的真空状态；另外本发明中的线圈采用耐高温的聚酯亚胺复合酰胺漆包铜线绕制，使得整个阀体主体可以承受220度的高温，同时阀体主体为带主腔体的三通管式的真空管道结构，整个阀体中，作为铯蒸气通道的带主腔体的三通管式的真空管道都采用氩弧焊气密性焊接的形式，可以保证空气中的水气，氧气，氢气等都进入不到铯通道，保整铯不被污染，保证铯的高纯度；且阀体主体为是铯蒸气流通的管道，阀体主体的与主腔体贯通的两个延长式通管采用不锈钢管，使用卡套接头连接，连接方便，线圈采用耐高温的聚 酯亚胺复合酰胺漆包铜线绕制使得整个电磁阀可以整体使用于在高温工作环境中，因为电磁铁内漆包线最多承受120℃的高温，一旦高于120℃，漆包线绝缘层融化，漆包线内铜丝相互之间将短路，造成电磁铁烧坏，本发明中的线圈采用耐高温的聚酯亚胺复合酰胺漆包铜线绕制，可承受220度的高温工作环境。
附图说明
图1是本发明的整体结构示意图；
图2是图1中A-A方向的截面结构示意图；
图3是本发明中分解结构示意图。
附图标注说明：01-阀体组件，02-电磁线圈组件，1-阀体主体，2-阀杆，3-弹簧，4-阻挡块，5-阀杆连接片，6-密封帽，7-支架连接块，8-支架，9-线圈，10-线圈挡板。
具体实施方式
以下结合说明书附图详细说明本实施例的具体实施方式：
实施例：用于导通铯蒸气的耐高温的真空电磁阀
如图1-3所示，一种耐高温的真空电磁阀，主要用于铯蒸气的导通和阻断，铯金属是一种非常活跃的金属，必须在真空环境下保存和使用，其熔点是28.44度，当高于28.44度，液态的铯会蒸发出铯蒸气，并随着温度的升高，铯的蒸发量增大。
用于导通铯蒸气的耐高温的真空电磁阀包括相互相抵接触连接的阀体组件01和电磁线圈组件02，其中阀体组件01包括形成相互往复式运动连接的阀体主体1和阀杆2，其中阀体主体1为带主腔体的三通管式结构，与主腔体贯通的是两个延长式通管，腔体管道为真空管道，在本实施例中，使得带主腔体的三通管式结构保持真空的手段主要是主腔体与延长式通管的焊接部位全部采用氩弧焊气密性焊接，并且采用真空泵持续抽真空，以保持稳定的真空环境，实施例中的一体式的三通管式结构使得阀体主体1结构简单，占地面积小，其中主腔体通口是阀杆2进出阀体主体1内部的通口，阀体主体1采用不锈钢材料，硬度较硬，阀杆2采用红铜材料，硬 度较低，两者材料不同，硬度不动，使得阀杆2可以在阀体主体1腔体中的往复运动较顺畅；阀体主体1为带主腔体的三通管式的真空管道结构，且阀体主体为是铯蒸气导通或阻断的管道，铯金属是一种非常活跃的金属其熔点是28.44度，当高于28.44度，液态的铯会蒸发出铯蒸气，并随着温度的升高，铯的蒸发量增大，所以必须在真空环境下保存和使用，阀体主体1上的两个延长式通管采用不锈钢管，使用卡套接头连接，连接方便；所述的电磁线圈组件02包括支架和安装在支架8上的线圈组件，线圈组件中的线圈9采用聚酯亚胺复合酰胺漆包铜线绕制，可以承受220度的高温，使得整个电磁阀可以整体使用于在持续高温的工作环境中。
所述的阀体组件01还包括弹簧3、阀杆连接片5和密封帽6，阀杆2一端为活塞式端口设计，另外一端是杆状实体设计，阀杆2活塞式端口一端与阀体主体1内部对接，另外杆状实体一端贯穿弹簧3内部后通过阻挡块4后与阀杆连接片5连接，阀杆连接片5通过螺钉和阀杆2连接，密封帽6安装在阀体连接片5后端的阀杆2进出阀体主体1内部的通口处，将阀杆2密封在阀体主体1内部与阀体主体1形成往复式相对运动式连接。
所述的支架8一侧安装有线圈组件，另外一侧与密封帽6相抵接触并通过支架连接块7固定连接；所述的线圈组件包括线圈9和挡板10，线圈9通过挡板10固定安装在支架8一侧。
本发明的工作原理是：一种耐高温的真空电磁阀，其中线圈9采用聚酯亚胺复合酰胺漆包铜线绕制，聚酯亚胺复合酰胺漆包铜线绕制后使得线圈可耐220°的高温，线圈9通电时，支架8产生磁性，对阀杆连接片5产生电磁吸力，线圈9的匝数和支架8与密封帽6的接触面积决定了电磁力大小，电磁力使阀体连接片5往靠近支架8的方向运动，阀体连接片5通过螺钉和阀杆2连接，此时带动阀杆2一起运动，阀杆2和阀体主体1分离；阀体主体1为带主腔体的三通管式结构，腔体管道为真空管道，使得带主腔体的三通管式结构保持真空的手段主要是主腔体与延长式通管的焊接部位全部采用氩弧焊气密性焊接，并且采用真空泵持续抽真空，以保持稳定的真空环境，因为整个阀中铯蒸气的通道都采用氩弧焊气密性焊接的形式，可以保证空气中的水气，氧气，氢气等都进入不到铯通道，保整 铯不被污染，保证铯的高纯度；当线圈通电时，弹簧3往阀杆连接片5方向运动，使得弹簧3处于压缩状态，此时铯蒸气通过阀体主体1的三通管式的真空管道的延长式通管A口运动流向延长式通管B口；当线圈9断电时，弹簧3的弹力将阀杆2远离支架8的方向运动，阀杆2和阀体主体1接触，由于管道内真空为10-2Pa～10-3Pa，真空度低，所以断电时阀杆2返回时，气体从A口到B口的通道被切断，即把铯蒸气流通阻断。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

  1. 一种耐高温的真空电磁阀，其特征在于：所述的电磁阀包括相互相抵接触连接的阀体组件和电磁线圈组件，其中阀体组件包括形成相互往复式运动连接的阀体主体和阀杆，其中阀体主体为带主腔体的三通管式的真空管道结构；所述的电磁线圈组件包括支架和安装在支架上的线圈组件，线圈组件中的线圈采用聚酯亚胺复合酰胺漆包铜线绕制。
  2. 根据权利要求1所述的一种耐高温的真空电磁阀，其特征在于：所述阀体主体的主腔体一端通口是阀杆进出阀体主体内部的通口，另外两个通口分别与延长式通管连接，其中阀体主体采用不锈钢材料，阀杆采用红铜材料，延长式通管为不锈钢管。
  3. 根据权利要求1所述的一种耐高温的真空电磁阀，其特征在于：所述的阀体组件还包括弹簧、阀杆连接片和密封帽，阀杆一端与阀体主体内部对接，另外一端贯穿弹簧内部后与阀杆连接片连接，密封帽安装在阀体连接片后端的阀杆进出阀体主体内部的通口处，将阀杆密封在阀体主体内部与阀体主体形成往复式相对运动式连接。
  4. 根据权利要求1所述的一种耐高温的真空电磁阀，其特征在于：所述的支架一侧安装有线圈组件，另外一侧与密封帽相抵接触并通过支架连接块固定连接。
  5. 根据权利要求1或3所述的一种耐高温的真空电磁阀，其特征在于：所述的阀杆连接片通过螺钉和阀杆连接。
  6. 根据权利要求1或3所述的一种耐高温的真空电磁阀，其特征在于：所述的阀杆一端为活塞式端口设计，另外一端是杆状实体设计。
  7. 根据权利要求1或4所述的一种耐高温的真空电磁阀，其特征在于：所述的线圈组件包括线圈和挡板，线圈通过挡板固定安装在支架一侧。
  8. 根据权利要求3所述的一种耐高温的真空电磁阀，其特征在于：所述的阀杆一端贯穿弹簧后，通过阻挡块后与阀杆连接片连接。
PCT/CN2022/093522 2021-05-28 2022-05-18 一种耐高温的真空电磁阀 WO2022247699A1 (zh)

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