M424588 五、新型說明: 【新型所屬之技術領域】 本創作係與電子元件《,制係指1具吹弧繼電器,能快速遮斷 電弧之功效,避免電弧效應加速縮短繼電器内部元件使用壽命者。 【先前技術】 繼電_妙)是-種電子控制器件,應用於自動化控制電子迴路當 中,如通訊父換機、工業控制、車輛或冷氣機等皆有其應用,實際上是用 較小的電流切她大電流的—種電子式自動卩·繼在電子迴路中 扮演著自動調節、安全保護、轉換電路等角色。 知電錢結構及工作特性而言,__般都是由輸入感測機構和輸 出執行機構兩部份组成,輸入感測機構係用於反應輸入量的變化,輸出執 仃频依對有接點的繼電器而言,係以接點分合做為繼電器作動之方式, 繼電态具有跳躍的輸入—輸出特性 瞎,μ协 出難意為切電器接_-個輸入訊號 夺如果亥輸入讯號小於繼電 &所〜之作動值時,該繼鞋則不動作, 田輸入訊擁___時,_騎作, 行機構之触立即從零變 輸出執 後,如果輸人峨由高彻向下^罐,且#繼電器動作 以線性方式返回至零點,而是乍龍並不會 電器即立職聽域辦之瞬間’繼 二、'中電磁式繼電器_般係由線輪、線圈 電 成,透過線圈兩端加上 寻、。構所組 i’使線圈中所流過的電流產生電磁致應, 3 即可作為電路導通、切換之 磁極即可克服t彈片或彈簧拉力而吸向鐵心 執行動作。 1 t ’繼電嶋剛通過電流狀態下,接點義閉時在一 二之嶋线恤城_她财。當_ 用輕上升時,因電弧現象加劇將導致繼電器可承受之遮斷電弧次數大= :咸。以往繼《為了改善増崎,主要係透過外蝴子電路於 7開關_之_的方式,改善電弧現象。但是,上嫩方式,不僅 估據有限空間之缺陷,更有增加業者製造成本之困擾。 有鏗於此,本案創作人以該項產業多年之實務經驗,進行繼電器的開 發與實驗,而終於創作一種「具吹弧繼電器」,主要是利用在外蓋對應接 點開關開閉作動位置處組設有永久磁鐵之設計,並藉由永久磁鐵磁性作用 力影響電弧’迅速拉長電弧至消滅,採用此方式具有結構簡單、易於組裝 以及降低業者生產成本等效果。 【新型内容】 本創作是在外蓋對應接點開關開閉作動位置處組設有永久磁鐵之設 計’並藉由永久麵雜侧力翁魏,迅雜長電弧至贼,採用此 方式具有_單、級喊以及降域者生產成本等效果,據此達成本 創作之目的與功效。 為了達成上述之目的與功效,本創作「具吹弧繼電器」,包括有一底 座、一磁吸組件以及一外蓋,其中: 該磁吸組件餘紗紐上,觸魏件包財二接闕_及複數 端子,該二接點開關之間具有一空隙,該複數端子其末端是穿設出該底座 M424588 底端;該外蓋-端設有-容置槽,該外蓋的容置槽蓋設於該底座上,而磁 吸組件的接點開關位於容置槽内,該外蓋對應該二接點開關周側中任一側 向内凹設有-側槽,且該側槽内組設有_對應該二接點開關之永久磁鐵; 如此,繼電器由永久磁鐵磁性作用力,影響該接點開關作動產生之電 弧,電弧受磁性作用力拉長而加速消滅。 上述外蓋於容置槽内設有一隔板,且該隔板位於該二接點開關之間的 空隙。 •-上述永久磁鐵是位於該二接點開關前、後、左或右任-側位置。 本創作「具吹弧繼電器」係、具有第二型態的實施例,其包括有一底座、 一磁吸組件以及一外蓋,其中: 該外蓋-端設有-容置槽,該容置槽槽底設有複數貫穿外蓋之穿孔, 該外蓋-侧設有至少-側槽,且該至少一側槽組配有至少一永久磁鐵;該 底座封蓋組設於該外蓋的容置槽槽口處;而該磁吸組件係組設於底座上並 位於該容置槽内,該磁吸組件包括有二接點開關以及複數端子,該至少一 _ 永久磁鐵位於該二接點開關任-側方向,該二接點開關之間具有一空隙, 而該複數端子末端是穿設該穿孔外; 如此,繼電器由永久磁鐵磁性作用力,影響該至少二接點開關作動產 生之電弧,電弧受磁性作用力拉長而加速消滅。 上述外蓋於容置槽内設有—隔板,且該隔板位於該二接點開關之間的 空隙。 本創作「具吹弧繼電器」係具有第三瓣的實施例,其包括有一底座、 一磁吸組件以及一外蓋,其中: 5 M424588 該磁吸組件係組設於底座上’且磁吸組件包括有二接點開關以及複數 知子,該一接點開關之間具有一空隙;而該外蓋一側設有一容置槽,該外 蓋的容置槽蓋設於該底座上’而磁吸組件的接點開關位於容置槽内,該外 盍於容置槽底部設有貫穿外蓋之複數穿孔’而該磁吸組件的複數端子穿設 該複數穿孔,另於容置槽内對應該二接點開關之間的空隙設有一隔板,且 該隔板設有一透孔,該透孔組設有一對應該二接點開關之永久磁鐵; 如此,繼電器由永久磁鐵磁性作用力,影響該至少二接點開關作動產 生之電弧,電弧受磁性作用力拉長而加速消滅。 因此本創作可說是一種相當具有實用性及進步性之創作,相當值得產 業界來推廣’並公諸於社會大眾。 【實施方式】 本創作是在外蓋對應接點開關開閉作動位置處組設有永久磁鐵之設 计,並藉由永久磁鐵磁性作用力影響電弧,迅速拉長電弧至消滅,採用此 方式具有結構簡單、易於組裝以及降低#者生產成本等效果,據此達成本 創作之目的與功效^為了達成上述之目的與功效,本創作於下列舉一實施 例,並請參閱圖式第-圖至第五圖所示,其包括有一底座i、一磁吸組件 2以及一外蓋3,其中: 邊磁吸組件2係組設於底座!上,該磁吸組件2包括有二接點開關 21以及複數端子22,該二接點開關21之間具有一空隙23,該複數端子 22其末端是穿設出該底座1底端; 該磁吸組件2進-步包括有線輪2〇卜組接於線輪2〇1兩端之間的支 架202 I堯於線輪2〇1兩端之間的線圈2〇3、穿設於線輪观所包覆線 圈203㈣位置之鐵心綱、組設於支架观上之磁極舰 、組設磁極205 端的插片206 ’该複數端子22包括有組設於線輪203上並與線圈203 連接之線圈端子221、輸入端子222、輸出端子223、以及電性組接 輪出端子223且與插片施組設之中彈片似,上述接點開關21是由輸 山子222中彈片224以及輸出端子223構成通電或斷電之迴路開關; ι外蓋3端忒有一容置槽31,該外蓋3的容置槽蓋設於該底座 而磁吸、赠2的接點開關21位於容置槽31内,該外蓋3對應該二 接點開關21周側中任—側向内凹設有—側槽犯,且該側槽&内組設有 十應„亥一接點開關21之永久磁鐵4,該外蓋3於容置槽幻内設有一隔 板33,且該隔板33位於該二接點開關21之間的空隙23。 當繼電器由線圈端子221通電時,線圈咖所流過的電流產生電磁效 應,即可透過鐵心204磁吸磁罐,且插片辑端隨磁議作動, 令制施另-端帶動中彈請而與輸入端子您接觸,進而導通該輸 入知子222、中彈片224以及輸出端子挪,作為電路導通或切換;線圈 203斷電時磁吸效應消失,而得以透過磁極咖帶動插請,並由插片 206拉動中彈片224復位; 由於㈣器斷電時’以磁㈣間接帶動中彈片a4復位,此日嫌 水久磁鐵4設置於外蓋3的側槽32内,且永久錢4對應於該二娜 關位置處’其磁性作用力得以影響該二接點開關21於關閉時所產生戈 電弧,而迅雜《弧至、;肖滅,_此方式具有結制單、•組裂以万 降低業者生產成本等效果。 本創作「具吹孤繼電器传且古楚― 」係具有第一型態的實施例,並請參閱圖式穿 M424588 六圖至第九圖所示,其包括有一底座1、一磁吸組件2以及一外蓋3,其 中: 該外蓋3 —端設有一容置槽31 ,該容置槽31槽底設有複數貫穿外蓋 3之穿孔34,該外蓋3 —側設有至少一側槽32,且該至少一側槽32組配 有至少一永久磁鐵4 (在此係以二側槽32以及二永久磁鐵4為例);該底 座1封蓋組設於該外蓋3的容置槽31槽口處;而該磁吸組件2係組設於 底座1上並位於該容置槽31内,該磁吸組件2包括有二接點開關21以及 複數端子22,該至少一永久磁鐵4位於該二接點開關21任一側方向(在 此永久磁鐵4係位於接點開關21上方為例,亦可位於接點開關21四周側 其中一側)’該二接點開關21之間具有一空隙23,而該複數端子22末端 是穿設該穿孔34外;該外蓋3於容置槽31内設有一隔板33,且該隔板 33位於該二接點開關21之間的空隙23。 本創作「具吹弧繼電器」係具有第三型態的實施例,並請參閱圖式第 十圖所示,其包括有一底座1、一磁吸組件2以及一外蓋3,其中: 該磁吸組件2餘設於底座1上’且磁他件2包括有三接點開關 21以及複數端子22,該二接點開關21之間具有—空隙23 ;而該外蓋3 -側設有-容置槽31,該外蓋3的容置槽31蓋設於該底座丨上,而磁吸 組件2的接點開關21位於容置槽31内,該外蓋3於容置槽31底部設有 貫穿外蓋3之複數穿孔34,而該磁吸組件2的複數端子22穿設該複數穿 孔34,另於容置槽31内對應該二接點開關21之間的空隙23設有—隔板 33,且該隔板33言史有-透孔35,該透孔%組設有一對應該二接點開關 21之永久磁鐵4。 而關於本創作繼電器運用在外部橋接電路使用狀態,如圖式中第十一 圖與第十二圖所示的電子電路示意圖,圖式中第十一圖為中彈片224串連 德負栽’而第十二圖為輸入端子222串連連接負載,達成所謂繼電器外 :電子電路’因此電流會隨著中彈片224 一端輸入經由接點開關^ L過輪入端子222 ’電流在由另一輸入端子挪經由接點開隨到另 中彈片224,形成串連的橋接迴路。 由上所述者僅為用以解釋本創作之較佳實施例,並非企圖具以對本創 作做任何形式上之限制,是以,凡有在相同之創作精神下所做有關本創作 之任竹修飾或變更者,為其他可據以實施之紐且具有蝴效果者,皆仍 應包括在本創作意圖保護之範疇内。 〜^上所述’本創作「具吹弧繼電器」其實用性及成本效益上,確實是 =付合產業上發展所需,且所揭露之結構創神是具有前所未有的創新 構每所以其具有「新酿」應無贿,又摘作可較習狀結構更具功 效之增進m具有「進步性」,其完全符合鋪補法有騎型專利 之申請要件的規定,乃依法提起專利申請,並敬請釣局早日審查並 給予肯定。 一 【圖式簡單說明】 第一圖是本創作分解狀態立體示意圖。 第二圖是本創作磁吸組件部分分解立體示意圖。 第三圖是本創作組合狀態立體示意圖。 第四圖是本創作第三圖線段AA剖視示意圖。 第五圖是本創作第三圖線段BB剖視示意圖。 M424588 第六圖是本創作第二實施例分解狀態立體示意圖。 第七圖是本創作第二實施磁吸組件部分分解立體示意圖 第八圖是本創作第二實施例組合立體示意圖。 第九圖是本創作第八圖線段cc剖視示意圖。 第十圖是本創作第三實施例分解狀態立體示意圖。 第十一圖與第十二圖是本創作繼電器應用在外部橋接電路示意圖。 【主要元件符號說明】 1底座 2磁吸組件 201線輪 202支架 203線圈 204鐵心 205磁極 206插片 21接點開關 22端子 221線圈端子 222輸入端子 223輸出端子 224中彈片 23空隙 3外蓋 31容置槽 32側槽 33隔板 34穿孔 35透孔 4永久磁鐵M424588 V. New description: [New technical field] The creative department and electronic components ", the system refers to a blown arc relay, which can quickly interrupt the arc effect, avoiding the arc effect and accelerating the life of the internal components of the relay. . [Prior Art] Relay_Miao is an electronic control device used in automatic control electronic circuits, such as communication father changer, industrial control, vehicle or air conditioner, etc., which are actually used. The current cuts her current, which is an electronic type of automatic 卩. It plays the role of automatic regulation, safety protection, and conversion circuit in the electronic circuit. In terms of the structure and working characteristics of the money, __ is generally composed of two parts: the input sensing mechanism and the output actuator. The input sensing mechanism is used for the change of the reaction input quantity, and the output switching frequency is connected. In terms of the relay of the point, the relay is used as the relay to activate the relay. The relay has the input-output characteristic of the jump. The μ is difficult to switch to the electrical connector. When the number is less than the relay value of the relay & the succession value, the successor will not operate. When the field input signal ___, _ riding, the touch of the organization immediately changes from zero to zero, if the input is lost Gao Che down ^ can, and # relay action returns to zero in a linear manner, but the dragon does not have the electric appliance that is the moment to listen to the domain to do the 'secondary,' the electromagnetic relay _ the general system by the reel, The coil is electrically formed, and the seek is added through both ends of the coil. The set i' causes the current flowing in the coil to generate an electromagnetic response, and 3 can be used as a circuit to conduct and switch the magnetic pole to overcome the t-spring or spring pulling force and suck the iron core to perform the action. 1 t ’ After the relay has just passed the current state, the contact point is closed when the line is in the second place. When _ with light rise, the increase in arcing will cause the relay to withstand a large number of interrupted arcs = : salty. In the past, in order to improve Miyazaki, the arc phenomenon was mainly improved by means of the external switch circuit. However, the upswing method not only estimates the defects of limited space, but also increases the cost of manufacturing. In view of this, the creator of this case used the industry's years of practical experience to develop and experiment the relay, and finally created a "blow-blow relay", which is mainly used to set up the opening and closing position of the corresponding contact switch of the outer cover. There is a permanent magnet design, and the permanent magnet magnetic force affects the arc to rapidly elongate the arc to eliminate it. This method has the advantages of simple structure, easy assembly and reduced production cost of the manufacturer. [New content] This creation is to design a permanent magnet at the opening and closing position of the corresponding contact switch of the outer cover and to use the permanent surface to force the Wei Wei, the long arc to the thief, and the method has _ single, The effect of the level of shouting and the production cost of the descending domain, according to which the purpose and effect of the creation are achieved. In order to achieve the above-mentioned purpose and effect, the creation "with a blow-blow relay" includes a base, a magnetic component and an outer cover, wherein: the magnetic component is on the outer yarn, and the contact with the Wei-Pack is included. And a plurality of terminals, the two contact switches have a gap therebetween, the ends of the plurality of terminals are pierced from the bottom end of the base M424588; the outer cover end is provided with a receiving groove, and the receiving cover of the outer cover Provided on the base, and the contact switch of the magnetic component is located in the accommodating groove, and the outer cover is provided with a side groove corresponding to any one of the circumferential sides of the two-contact switch, and the side groove group There is a permanent magnet corresponding to the two-contact switch; thus, the relay is magnetically forced by the permanent magnet to affect the arc generated by the action of the contact switch, and the arc is elongated by the magnetic force to accelerate and eliminate. The outer cover is provided with a partition in the accommodating groove, and the partition is located in a gap between the two contact switches. • The above permanent magnet is located at the front, rear, left or right side-side position of the two-contact switch. The present invention has a second type of embodiment, comprising a base, a magnetic component and an outer cover, wherein: the outer cover-end is provided with a receiving groove, and the receiving The bottom of the trough is provided with a plurality of perforations extending through the outer cover, the outer cover-side is provided with at least a side groove, and the at least one groove group is provided with at least one permanent magnet; the base cover is assembled on the outer cover The magnetic component is disposed on the base and located in the receiving slot, the magnetic component includes a two-contact switch and a plurality of terminals, and the at least one permanent magnet is located at the two contacts The switch has a side-to-side direction, and the two contact switches have a gap therebetween, and the end of the plurality of terminals is disposed outside the through hole; thus, the relay is magnetically forced by the permanent magnet to affect the arc generated by the actuation of the at least two contact switches The arc is elongated by the magnetic force and accelerated to eliminate. The outer cover is provided with a partition in the accommodating groove, and the partition is located in a gap between the two contact switches. The present invention has a third flap embodiment comprising a base, a magnetic assembly and an outer cover, wherein: 5 M424588 the magnetic assembly is assembled on the base 'and the magnetic assembly The utility model comprises a two-position switch and a plurality of horns, wherein the one of the contact switches has a gap; and one side of the outer cover is provided with a receiving groove, the receiving cover of the outer cover is disposed on the base and magnetically The contact switch of the component is located in the accommodating groove, and the outer cymbal is provided with a plurality of through holes through the outer cover at the bottom of the accommodating groove, and the plurality of terminals of the magnetic component are pierced by the plurality of through holes, and the corresponding holes are arranged in the accommodating groove a gap is provided between the two contact switches, and the partition is provided with a through hole, and the through hole group is provided with a pair of permanent magnets that should be connected to the two contacts; thus, the relay is magnetically forced by the permanent magnet to affect the At least two contact switches act to generate an arc, and the arc is elongated by the magnetic force to accelerate the elimination. Therefore, this creation can be said to be a kind of practical and progressive creation, which is quite worthy of promotion by the industry and publicized to the public. [Embodiment] This design is to design a permanent magnet at the opening and closing position of the corresponding contact switch of the outer cover, and influence the arc by the magnetic force of the permanent magnet to rapidly lengthen the arc to eliminate, which is simple in structure. Easy to assemble and reduce the production cost of ##, and achieve the purpose and effect of the creation. In order to achieve the above purpose and effect, the author will cite an example below, and please refer to the figure - picture to fifth As shown, it includes a base i, a magnetic component 2 and an outer cover 3, wherein: the side magnetic components 2 are assembled on the base! The magnetic component 2 includes a two-contact switch 21 and a plurality of terminals 22, and a gap 23 is formed between the two contact switches 21, and the end of the plurality of terminals 22 is pierced from the bottom end of the base 1; The suction assembly 2 further comprises a wire wheel 2, a bracket 202 connected between the two ends of the wire wheel 2〇1, a coil 2〇3 between the two ends of the wire wheel 2〇1, and a threaded wheel A core piece covering the position of the coil 203 (four), a magnetic pole ship assembled on the support, and a tab 206 of the end of the magnetic pole 205. The plurality of terminals 22 include a coil that is disposed on the wire wheel 203 and connected to the coil 203. The terminal 221, the input terminal 222, the output terminal 223, and the electrical connection wheel-out terminal 223 are similar to the elastic piece in the insertion assembly, and the contact switch 21 is composed of the elastic piece 224 and the output terminal 223. a circuit switch that is energized or de-energized; a cover groove 31 is provided in the end of the cover 3, and a receiving slot cover of the cover 3 is disposed on the base, and the contact switch 21 of the magnetic and gift 2 is located in the receiving slot 31. The outer cover 3 corresponds to any of the two sides of the two-point switch 21, which is laterally recessed, and is provided with a side slot, and the side slot & inner group There is a permanent magnet 4 of the contact switch 21, which is provided with a partition 33 in the accommodating slot, and the partition 33 is located in the gap 23 between the two contact switches 21. When the relay is energized by the coil terminal 221, the current flowing through the coil coffee has an electromagnetic effect, and the magnetic core can be magnetically transmitted through the core 204, and the insert end is activated by the magnetic field, so that the other end is driven by the bullet. Contact with the input terminal, and then turn on the input tweezer 222, the middle elastic piece 224, and the output terminal, as the circuit is turned on or switched; when the coil 203 is powered off, the magnetic effect disappears, and the magnetic pole is driven to insert, and the insert is inserted. 206 pulls the middle elastic piece 224 to reset; when the (four) device is powered off, the magnetic spring (4) indirectly drives the middle elastic piece a4 to be reset, and the sinusoidal magnet 4 is disposed in the side groove 32 of the outer cover 3, and the permanent money 4 corresponds to the second At the position of Naguan, its magnetic force can affect the arc arc generated when the two-contact switch 21 is turned off, and the "Arc to, Xiao Xiao, _ this way has a single form, and the split is reduced by ten thousand. The production cost and other effects of the industry. The embodiment has the first type of embodiment, and the drawing is shown in Fig. M424588, which is shown in Fig. 6 to Fig. 9, which includes a base 1, a magnetic component 2 and an outer cover 3. The outer cover 3 is provided with a receiving slot 31. The bottom of the receiving slot 31 is provided with a plurality of through holes 34 extending through the outer cover 3. The outer cover 3 is provided with at least one side slot 32 on the side, and the at least one side is provided. The one side slot 32 is provided with at least one permanent magnet 4 (in this case, the two side slots 32 and the two permanent magnets 4 are taken as an example); the base 1 cover is assembled at the slot of the receiving slot 31 of the outer cover 3 The magnetic component 2 is disposed on the base 1 and located in the accommodating slot 31. The magnetic component 2 includes a two-contact switch 21 and a plurality of terminals 22, and the at least one permanent magnet 4 is located at the second connection. The direction of either side of the point switch 21 (the permanent magnet 4 is located above the contact switch 21 as an example, or may be located on one side of the side of the contact switch 21) has a gap 23 between the two contact switches 21, The end of the plurality of terminals 22 is disposed outside the through hole 34; the outer cover 3 is provided with a partition 33 in the receiving slot 31, and the partition 33 is located at the second connection The gap between the switch 2123. The present invention has a third type of embodiment, and as shown in the tenth figure of the drawing, it comprises a base 1, a magnetic component 2 and an outer cover 3, wherein: the magnetic The suction assembly 2 is disposed on the base 1 and the magnetic member 2 includes a three-contact switch 21 and a plurality of terminals 22, and the two contact switches 21 have a gap 23 therebetween; and the outer cover 3 - side is provided with a capacity The receiving slot 31 of the outer cover 3 is disposed on the base cymbal, and the contact switch 21 of the magnetic component 2 is located in the accommodating slot 31. The outer cover 3 is disposed at the bottom of the accommodating slot 31. A plurality of through holes 34 are formed through the outer cover 3, and the plurality of terminals 22 of the magnetic component 2 are disposed through the plurality of through holes 34, and the gaps 23 between the two contact switches 21 are disposed in the receiving groove 31. 33, and the partition 33 has a history of through holes 35, and the through hole % group is provided with a pair of permanent magnets 4 which should be the two contact switches 21. Regarding the use of the external relay circuit in the state of the external bridge circuit, as shown in the eleventh and twelfth figures of the figure, the eleventh figure in the figure shows that the medium-elastic piece 224 is connected to the load. The twelfth figure shows that the input terminal 222 is connected in series to the load, and the so-called relay is externally: the electronic circuit 'so the current will be input with one end of the middle piece 224 via the contact switch ^ L through the wheel terminal 222 'current is input by another input The terminal is moved to the other middle piece 224 via the contact to form a series of bridge circuits. The above description is only a preferred embodiment for explaining the present creation, and is not intended to impose any form limitation on the creation, so that any bamboo that is related to the creation under the same creative spirit is Modifications or alterations, which are other effects that can be implemented and have a butterfly effect, should still be included in the scope of this creative intent. ~^ The above-mentioned 'created arc-blow relay' is practical and cost-effective. It is indeed required for the development of the industry, and the exposed structure is an unprecedented innovation. "New brewing" should be free of bribes, and it can be promoted as a more effective improvement than the habit structure. It is "progressive" and it fully complies with the requirements of the application requirements for the riding patent. And please ask the fishing bureau to review and give affirmation as soon as possible. A [simplified description of the diagram] The first diagram is a three-dimensional diagram of the decomposition state of the creation. The second figure is a partially exploded perspective view of the magnetic component of the present invention. The third figure is a three-dimensional diagram of the state of the combination of the creation. The fourth picture is a schematic cross-sectional view of the third line of the creation of the third line. The fifth picture is a schematic cross-sectional view of the third line segment BB of the present creation. M424588 The sixth figure is a perspective view of the exploded state of the second embodiment of the present invention. The seventh figure is a partially exploded perspective view of the second embodiment of the present invention. The eighth figure is a schematic perspective view of the second embodiment of the present invention. The ninth figure is a schematic cross-sectional view of the line cc of the eighth figure of the present creation. Figure 11 is a perspective view showing the exploded state of the third embodiment of the present creation. The eleventh and twelfth figures are schematic diagrams of the external bridge circuit used in the creation of the relay. [Main component symbol description] 1 base 2 magnetic component 201 linear wheel 202 bracket 203 coil 204 core 205 magnetic pole 206 insert 21 contact switch 22 terminal 221 coil terminal 222 input terminal 223 output terminal 224 middle elastic piece 23 gap 3 outer cover 31 Accommodating groove 32 side groove 33 partition plate 34 perforation 35 through hole 4 permanent magnet