WO2016046946A1 - Appareil de contact électromagnétique et procédé d'assemblage d'appareil de contact électromagnétique - Google Patents

Appareil de contact électromagnétique et procédé d'assemblage d'appareil de contact électromagnétique Download PDF

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Publication number
WO2016046946A1
WO2016046946A1 PCT/JP2014/075500 JP2014075500W WO2016046946A1 WO 2016046946 A1 WO2016046946 A1 WO 2016046946A1 JP 2014075500 W JP2014075500 W JP 2014075500W WO 2016046946 A1 WO2016046946 A1 WO 2016046946A1
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WO
WIPO (PCT)
Prior art keywords
iron core
case
coil
carrier
movable
Prior art date
Application number
PCT/JP2014/075500
Other languages
English (en)
Japanese (ja)
Inventor
祐馬 山松
智彦 竹本
泰久 百田
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2015502011A priority Critical patent/JP5734537B1/ja
Priority to PCT/JP2014/075500 priority patent/WO2016046946A1/fr
Priority to CN201480003886.3A priority patent/CN105637610B/zh
Priority to TW104128108A priority patent/TWI610326B/zh
Publication of WO2016046946A1 publication Critical patent/WO2016046946A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case

Definitions

  • the present invention relates to an electromagnetic contactor having a polarized electromagnet combining a permanent magnet and a coil, and an assembling method thereof.
  • An electromagnetic contactor disclosed in Patent Document 1 includes a polarized electromagnet in which a permanent magnet and a coil are combined, a movable carrier to which a movable contact is attached, a stationary contact that is in contact with and away from the movable contact, and a polarized electromagnet And a case that covers the accessible carrier and engages the rear case.
  • the polarized electromagnet includes a coil formed by winding a conductive wire, a coil bobbin around which the coil is wound, a movable iron core that passes through the coil bobbin in the axial direction, and a U-shaped fixed iron core that is installed to face the movable iron core. And a magnetic pole plate disposed opposite to the coil and a permanent magnet installed on the fixed iron core.
  • a movable carrier on which a movable contact is mounted is attached to the movable iron core plate, and the movable contact is displaced by the same amount in accordance with the displacement of the movable iron core.
  • Electromagnetic contactors are required to prevent foreign matter from entering and remaining in the product from the viewpoint of malfunction due to foreign matter pinching in the drive unit and contact life reduction due to foreign matter pinching between contacts. Therefore, the electromagnetic contactor needs to be assembled in a procedure in which a foreign body is eliminated as much as possible while using a housing having as few openings as possible.
  • Patent Document 1 does not disclose an assembling procedure of an electromagnetic contactor that takes into account the prevention of foreign material intrusion and residue.
  • the electromagnetic contactor disclosed in Patent Document 1 lifts the polarized electromagnet by holding only the case with the polar electromagnet attached to the case by inserting a contactable carrier with a movable contact installed in the case. Then, the contactable carrier descends due to the weight of the polarized electromagnet. When the contactable carrier is lowered by the weight of the polarized electromagnet, the movable contact is displaced more than the displacement amount of the variable carrier and comes into contact with the fixed contact, so that the movable contact is deformed.
  • the present invention has been made in view of the above, and when the case is lifted, the entire structure excluding the rear case can be lifted without contacting the movable contact and the fixed contact.
  • An object is to obtain an electromagnetic contactor having an engagement structure with an electromagnet.
  • the present invention is a coil formed by winding a conductive wire around a coil bobbin, and a U-shape in which end plate portions extend from both ends of the side plate portion, A pair of U-shapes in which the end plate portion is opposed to one end of the coil, the other end plate portion is spaced apart and opposed to the other end of the coil, and the coil is disposed inside so that the side plate portion is opposed to the outer peripheral portion of the coil.
  • a polarized electromagnet and a movable contact can be mounted and attached to the first movable iron core plate
  • a rear case that accommodates the polarized electromagnet and is coupled to the case, and the coil bobbin has a first surface on the upper surface.
  • the case includes a protrusion for engagement, and the case has a second engagement protrusion facing the first engagement protrusion with a predetermined distance clearance in a state where the contactable carrier is attached to the first movable iron core plate. It is characterized by providing.
  • the electromagnetic contactor according to the present invention has an effect that when the case is lifted, the entire structure excluding the rear case can be lifted without contact between the movable contact and the fixed contact.
  • the perspective view of the magnetic contactor which concerns on embodiment of this invention Sectional drawing of the magnetic contactor concerning embodiment of this invention Sectional drawing of the polar electromagnet of the electromagnetic contactor concerning an embodiment
  • the perspective view of the polarized electromagnet of the electromagnetic contactor concerning an embodiment The perspective view of the contactable carrier of the electromagnetic contactor concerning an embodiment
  • the perspective view of the case of the magnetic contactor concerning an embodiment The perspective view of the case of the magnetic contactor concerning an embodiment Sectional drawing of the part except the rear case of the magnetic contactor concerning embodiment in the state which passed the engaging part of the contactable carrier through the notch provided in the movable iron core board
  • Sectional drawing of the part except the rear case in the assembly state of the magnetic contactor concerning embodiment The elements on larger scale of the magnetic contactor concerning embodiment
  • the elements on larger scale of the magnetic contactor concerning embodiment Sectional drawing inside the case of the
  • FIG. 1 is a perspective view of an electromagnetic contactor according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of the electromagnetic contactor according to the embodiment of the present invention.
  • the direction indicated by the arrow x in the figure is the x direction
  • the direction indicated by the arrow y is the y direction
  • the direction indicated by the arrow z is the z direction.
  • the same direction as the arrow is the + direction
  • the opposite direction to the arrow is the-direction.
  • the same direction as the arrow x is the + x direction
  • the opposite direction to the arrow x is the -x direction.
  • the direction which becomes in the assembly state shown in FIG. 1 is shown by the arrow x, the arrow y, and the arrow z.
  • the magnetic contactor 1 includes a polarized electromagnet 2 in which a permanent magnet and a coil are combined, a contactable carrier 4 to which a movable contact 6 is attached, a fixed contact 5 that is in contact with and away from the movable contact 6, and a polarized electromagnet 2. And a cylindrical rear case 7 for housing the housing.
  • the electromagnetic contactor 1 also has a case 3 that covers the contactable carrier 4. A fixed contact 5 can be attached to the case 3.
  • FIG. 3 is a cross-sectional view of a polarized electromagnet of the electromagnetic contactor according to the embodiment.
  • the polarized electromagnet 2 has a coil 8 formed by winding a conductive wire around a coil bobbin 9, one end plate portion 12 a facing one end 8 a of the coil 8, and the other end plate portion 12 b placed on the other end 8 b of the coil 8. It has a pair of U-shaped fixed iron cores 12 in which the coil 8 is arranged so that the side plate portion 12c faces the outer peripheral portion 8c of the coil 8 so as to face each other.
  • the polarized electromagnet 2 includes a pair of permanent magnets 13 disposed inside the side plate portion 12 c of the U-shaped fixed core 12 and one end 10 d 1 of the iron core rod 10 d inserted through the coil 8, and one of the U-shaped fixed core 12.
  • the first movable iron core plate 10a is provided outside the end plate portion 12a, and the other end 10d2 of the iron core rod 10d is provided between the other end 8b of the coil 8 and the other end plate portion 12b of the U-shaped fixed iron core 12.
  • a movable iron core 10 provided with a second movable iron core plate 10b.
  • a fixed iron core plate 11 made of a magnetic material is disposed inside the permanent magnet 13.
  • the distance between the second movable iron core plate 10b and the other end plate portion 12b of the U-shaped fixed iron core 12 is L2. That is, the movable iron core 10 has a displacement amount of the distance L2.
  • the U-shaped fixed iron core 12 has a U-shape in which end plate portions 12a and 12b extend from both ends of the side plate portion 12c.
  • the U-shaped fixed iron core 12 has a U-shaped cross-sectional shape perpendicular to the x direction, that is, a cross-sectional shape including a plane extending in the y direction and the z direction.
  • FIG. 4 is a perspective view of a polarized electromagnet of the electromagnetic contactor according to the embodiment.
  • FIG. 5 is a perspective view of a contactable carrier of the electromagnetic contactor according to the embodiment.
  • 6 and 7 are perspective views of the case of the magnetic contactor according to the embodiment.
  • the engagement carrier 4a of the contactable carrier 4 shown in FIG. 5 is engaged with the notch 10c provided in the first movable iron core plate 10a so that the attachment carrier 4 becomes the first. It is attached to the movable iron core plate 10a.
  • first engaging protrusions 9 b and 9 c are formed on the upper surface 9 a of the coil bobbin 9 of the polarized electromagnet 2.
  • FIG. 4 is a perspective view of a polarized electromagnet of the electromagnetic contactor according to the embodiment.
  • FIG. 5 is a perspective view of a contactable carrier of the electromagnetic contactor according to the embodiment.
  • 6 and 7 are perspective views of the case of the magnetic contactor according to the embodiment.
  • second engagement protrusions 3 b and 3 c are formed on the lower surface 3 a of the case 3.
  • the second engaging protrusion 3c is provided with a step 3d for holding the first engaging protrusion 9c.
  • the step 3d prevents the first engagement protrusion 9c and the second engagement protrusion 3c from being disengaged when the second engagement protrusion 3c is engaged with the first engagement protrusion 9c. To do.
  • the second movable iron core plate 10 b is attracted to the fixed iron core plate 11 by the magnetic force of the permanent magnet 13, and therefore the movable contact 6 and the fixed contact 5. Is maintained in a state separated by a distance L1.
  • the distance L2 which is the amount of displacement of the movable iron core 10
  • L1 the distance between the distance L1 and has a relationship of L2> L1.
  • the assembly procedure of the magnetic contactor according to the embodiment will be described.
  • the movable contact 6 is mounted on the movable carrier 4 and inserted into the case 3.
  • the fixed contact 5 is attached to the case 3 and dust is removed by air blow.
  • the polarized electromagnet 2 is mounted on the contactable carrier 4.
  • the polarized electromagnet 2 having the structure assembled in the first, second and third procedures is inserted into the cylinder of the rear case 7 so that the case 3 and the rear case 7 are combined.
  • the step of inserting the polarized electromagnet 2 into the cylinder of the rear case 7 is set as the final step, thereby realizing a structure in which foreign matter generated during the assembly does not remain in the rear case 7 as much as possible.
  • the magnetic contactor 1 having the polarized electromagnet 2 after inserting the contactable carrier 4 with the movable contact 6 into the case 3, the fixed contact 5 is mounted, and the polarized electromagnet 2 and the contactable carrier 4. Is assembled to the case 3 and finally assembled with the rear case 7 to realize an assembling procedure with little foreign matter remaining.
  • FIG. 8 is a cross-sectional view of a portion excluding the rear case of the electromagnetic contactor according to the embodiment in a state where the engagement portion of the accessible carrier is passed through the notch provided in the movable iron core plate.
  • the case 3 with the insertable carrier 4 inserted is slid in the + z direction so that the attachable carrier 4 and the first movable iron core plate 10a are engaged.
  • the contactable carrier 14 and the polarized electromagnet 2 are connected.
  • FIG. 9 is a cross-sectional view of a portion excluding the rear case of the magnetic contactor according to the embodiment in a state where the case with the insertable carrier inserted is slid in the + z direction.
  • the upper surface 3b1 of the second engagement protrusion 3b and the lower surface 9b1 of the first engagement protrusion 9b are opposed to each other in the y direction.
  • the upper surface 3c1 of the engaging protrusion 3c and the lower surface 9c1 of the first engaging protrusion 9c face each other in the y direction.
  • FIG. 10 is a cross-sectional view of a portion excluding the rear case in the assembled state of the magnetic contactor according to the embodiment.
  • FIG.11 and FIG.12 is the elements on larger scale of the electromagnetic contactor concerning Embodiment.
  • FIG. 11 shows the A portion and its surroundings in FIG. 10 in an enlarged manner
  • FIG. 12 shows the B portion and its surroundings in FIG. 10 in an enlarged manner.
  • FIG. 13 is a cross-sectional view of the inside of the case of the electromagnetic contactor according to the embodiment.
  • a clearance of a distance L3 is provided between the lower surface 9c1 of 9c as shown in FIG.
  • the clearance distance L3 is smaller than the distance L2 shown in FIG. 2 and has a relationship of L3 ⁇ L2. Further, the clearance distance L3 is smaller than the distance L1 between the movable contact 6 and the fixed contact 5 when the coil 8 is not excited, and has a relationship of L1 ⁇ L3.
  • FIG. 14 is a cross-sectional view of a portion excluding the rear case in a state where the case of the magnetic contactor according to the embodiment is lifted.
  • FIG.15 and FIG.16 is the elements on larger scale of the electromagnetic contactor concerning Embodiment.
  • FIG. 15 is an enlarged view of the portion C in FIG. 14 and its surroundings
  • FIG. 16 is an enlarged view of the portion D in FIG. 14 and its surroundings.
  • FIG. 17 is a cross-sectional view of the inside of the case of the electromagnetic contactor according to the embodiment.
  • the electromagnetic contactor 1 includes the first engagement protrusions 9b and 9c on the upper surface 9a of the coil bobbin 9, and the second engagement protrusions 3b and 3c provided on the lower surface 3a of the case 3.
  • the magnetic contactor 1 can be easily assembled only by sliding the contactable carrier 4 in the + z direction after engaging the first movable iron core plate 10a.
  • man-hours can be reduced as compared with the case of screwing or the case of fitting claws.
  • the first engaging protrusions 9b and 9c of the coil bobbin 9 abut against the second engaging protrusions 3b and 3c of the case 3 only when the polarized electromagnet 2 is suspended while holding the case 3, and in the assembled state.
  • the first engaging protrusions 9b and 9c do not interfere with the second engaging protrusions 3b and 3c.
  • the displacement of the movable contact 6 when the coil 8 is excited and the movable iron core 10 moves. May differ from the design value and may affect product performance.
  • the magnetic contactor 1 according to the embodiment does not interfere with the first engaging protrusions 9b and 9c and the second engaging protrusions 3b and 3c in the assembled state, the first engaging protrusions 9b and 9c Even if the 9c and the second engaging protrusions 3b and 3c are provided, the possibility that the product performance is lowered can be reduced.
  • the clearance distance L3 is shorter than the distance L1 between the movable contact 6 and the fixed contact 5 in the non-excited state of the coil, and is fixed to the movable contact 6 by the weight of the polarized electromagnet 2 during assembly work.
  • the reduction amount of the distance between the contact 5 becomes the distance L1 or more, and it is possible to prevent the movable contact 6 and the fixed contact 5 from coming into contact with each other and being damaged. Thereby, it is possible to prevent a defective product from being generated due to the deformation of the movable contact 6 during the assembly operation and a decrease in yield. Moreover, energy consumption in the production process can be suppressed by shortening the assembly work time.
  • a step 3d that holds the first engagement protrusion 9c on the second engagement protrusion 3c of the case 3 and prevents the engagement between the first engagement protrusion 9c and the second engagement protrusion 3c is released.
  • the configuration in which the step 3d is provided only on the second engagement protrusion 3c is taken as an example, but the first engagement protrusions 9b and 9c are held on at least one of the second engagement protrusions 3b and 3c. If the level
  • the electromagnetic contactor 1 is configured so that the upper case 3 is assembled to the rear case 7 after assembling the polarized electromagnet 2 to the upper case 3.
  • An assembly method can be realized in which the generated foreign matter does not remain in the rear case 7 as much as possible.
  • the electromagnetic contactor 1 can be easily assembled because the poled electromagnet 2 can be suspended from the upper case 3. Furthermore, since a certain clearance is provided between the first engaging protrusions 9b and 9c and the second engaging protrusions 3b and 3c, even if the case 3 is lifted and the polarized electromagnet 2 is suspended, The movable contact 6 and the fixed contact 5 are not in contact with each other, and deformation and breakage of the movable contact 6 can be prevented.
  • the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

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

Abstract

L'invention concerne un appareil de contact électromagnétique comprenant un électroaimant polarisé (2), un porte-contacteur mobile monté sur une première plaque de noyau en fer mobile (10a) et sur lequel peut être monté un contacteur mobile, un boîtier recouvrant le porte-contacteur mobile et sur lequel peut être monté un contacteur fixe, et un boîtier arrière qui est relié au boîtier et accueille l'électroaimant polarisé (2). Une bobine (9) comporte sur sa surface supérieure une première partie en saillie de mise en prise, et le boîtier comporte une deuxième partie en saillie de mise en prise qui fait face à la première partie en saillie de mise en prise tout en étant espacée de celle-ci par un jeu égal à une distance prédéfinie dans un état dans lequel le porte-contacteur mobile est monté sur la première plaque de noyau en fer mobile (10a).
PCT/JP2014/075500 2014-09-25 2014-09-25 Appareil de contact électromagnétique et procédé d'assemblage d'appareil de contact électromagnétique WO2016046946A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2015502011A JP5734537B1 (ja) 2014-09-25 2014-09-25 電磁接触器及び電磁接触器の組立方法
PCT/JP2014/075500 WO2016046946A1 (fr) 2014-09-25 2014-09-25 Appareil de contact électromagnétique et procédé d'assemblage d'appareil de contact électromagnétique
CN201480003886.3A CN105637610B (zh) 2014-09-25 2014-09-25 电磁接触器及电磁接触器的组装方法
TW104128108A TWI610326B (zh) 2014-09-25 2015-08-27 電磁接觸器及電磁接觸器的組立方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/075500 WO2016046946A1 (fr) 2014-09-25 2014-09-25 Appareil de contact électromagnétique et procédé d'assemblage d'appareil de contact électromagnétique

Publications (1)

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WO2016046946A1 true WO2016046946A1 (fr) 2016-03-31

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PCT/JP2014/075500 WO2016046946A1 (fr) 2014-09-25 2014-09-25 Appareil de contact électromagnétique et procédé d'assemblage d'appareil de contact électromagnétique

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JP (1) JP5734537B1 (fr)
CN (1) CN105637610B (fr)
TW (1) TWI610326B (fr)
WO (1) WO2016046946A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023100485A1 (fr) * 2021-11-30 2023-06-08 富士電機機器制御株式会社 Contacteur électromagnétique et procédé d'assemblage de contacteur électromagnétique
WO2023139912A1 (fr) * 2022-01-21 2023-07-27 富士電機機器制御株式会社 Contacteur électromagnétique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102427376B1 (ko) * 2018-10-25 2022-07-29 미쓰비시덴키 가부시키가이샤 전자석, 전자 개폐기, 및 전자석의 제조 방법

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2010062079A (ja) * 2008-09-05 2010-03-18 Mitsubishi Electric Corp 有極電磁石、電磁接触器、電磁開閉器、及び有極電磁石の製造方法
JP2012225189A (ja) * 2011-04-15 2012-11-15 Denso Corp スタータ

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CN2653681Y (zh) * 2003-10-17 2004-11-03 厦门宏美电子有限公司 一种具有可替换底座的交流接触器
CN201311880Y (zh) * 2008-11-15 2009-09-16 浙江天正电气股份有限公司 底座与基座卡扣连接的接触器
WO2012157057A1 (fr) * 2011-05-16 2012-11-22 三菱電機株式会社 Commutateur
KR101917885B1 (ko) * 2012-09-26 2018-11-13 현대일렉트릭앤에너지시스템(주) 전자접촉기
CN203573915U (zh) * 2013-10-30 2014-04-30 三菱电机株式会社 电磁接触器的罩部件安装结构与电磁接触器的罩部件

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010062079A (ja) * 2008-09-05 2010-03-18 Mitsubishi Electric Corp 有極電磁石、電磁接触器、電磁開閉器、及び有極電磁石の製造方法
JP2012225189A (ja) * 2011-04-15 2012-11-15 Denso Corp スタータ

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023100485A1 (fr) * 2021-11-30 2023-06-08 富士電機機器制御株式会社 Contacteur électromagnétique et procédé d'assemblage de contacteur électromagnétique
WO2023139912A1 (fr) * 2022-01-21 2023-07-27 富士電機機器制御株式会社 Contacteur électromagnétique
JP7487853B2 (ja) 2022-01-21 2024-05-21 富士電機機器制御株式会社 電磁接触器

Also Published As

Publication number Publication date
JP5734537B1 (ja) 2015-06-17
TW201621954A (zh) 2016-06-16
TWI610326B (zh) 2018-01-01
CN105637610B (zh) 2017-07-18
JPWO2016046946A1 (ja) 2017-04-27
CN105637610A (zh) 2016-06-01

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