WO2007132772A1 - 電磁継電器 - Google Patents
電磁継電器 Download PDFInfo
- Publication number
- WO2007132772A1 WO2007132772A1 PCT/JP2007/059747 JP2007059747W WO2007132772A1 WO 2007132772 A1 WO2007132772 A1 WO 2007132772A1 JP 2007059747 W JP2007059747 W JP 2007059747W WO 2007132772 A1 WO2007132772 A1 WO 2007132772A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- contact
- coil
- electromagnetic relay
- movable
- iron core
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H50/443—Connections to coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
- H01H2050/025—Details concerning sealing, e.g. sealing casing with resin containing inert or dielectric gasses, e.g. SF6, for arc prevention or arc extinction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/023—Details concerning sealing, e.g. sealing casing with resin
-
- 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
- H01H50/041—Details concerning assembly of relays
- H01H50/045—Details particular to contactors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
Definitions
- the present invention relates to an electromagnetic relay, and more particularly to an electromagnetic relay provided with an erasing means for erasing an arc generated when a contact is opened and closed.
- an electromagnetic relay having an arc erasing unit for example, there is one having at least one set of magnets as an erasing unit.
- Patent Document 1 JP 2001-176370 A
- an object of the present invention is to provide a small electromagnetic relay.
- An electromagnetic relay includes a movable iron core that reciprocates up and down in a shaft hole of a solenoid formed by winding a coil that solves the above-described problem, and is integrated with the movable iron core.
- the movable contact that reciprocally moves to and from the fixed contact opens and closes the contact, and the arc generated when the contact is opened and closed by the magnetic field of at least one permanent magnet placed on the side of the fixed contact and the movable contact.
- the coil terminal is disposed on at least one side of the arc flow, the dead space generated on the end face of the solenoid that also has the wound coil force can be effectively utilized, and the height and height of the solenoid can be reduced.
- the electromagnetic relay can be obtained.
- the coil terminals may be arranged on both sides of the arc flow.
- the dead space generated on the end face of the solenoid can be effectively used, and a much smaller electromagnetic relay can be obtained.
- a solenoid is housed in a yoke made of a bottomed cylindrical magnetic material and having a side wall cut out to provide at least one side opening.
- the coil terminal may be arranged within the range of the side opening.
- a space corresponding to the thickness of the yoke can be saved, and a small electromagnetic relay having a small floor area can be obtained. Furthermore, since heat is likely to diffuse from the side openings,
- FIG. 1 is a perspective view showing a first embodiment of an electromagnetic relay according to the present invention.
- FIG. 2 is an exploded perspective view of the electromagnetic relay shown in FIG.
- FIG. 3 is an exploded perspective view of the electromagnetic relay main body shown in FIG.
- FIG. 4 is an exploded perspective view of the electromagnet unit and contact mechanism unit shown in FIG.
- FIG. 5 is an exploded perspective view of the electromagnet unit shown in FIG.
- FIG. 6 is an exploded perspective view of the contact mechanism unit shown in FIG.
- FIG. 7 is a perspective view showing the electromagnet unit and the contact mechanism unit during assembly.
- FIG. 8A and FIG. 8B are a side view and a longitudinal sectional view of an electromagnet unit and a contact mechanism unit integrated together.
- FIG. 9A and FIG. 9B are longitudinal sectional views showing the electromagnetic relay before and after operation.
- FIG. 10A and FIG. 10B are a perspective view and a cross-sectional view showing a contact mechanism unit that exerts power on the first embodiment.
- FIG. 11A, FIG. 11B and FIG. 11C are a perspective view, a side view and a longitudinal sectional view of a movable contact block.
- FIG. 12A, FIG. 12B, and FIG. 12C are a process block diagram, a flowchart diagram, and a block diagram showing the adjustment work according to the first embodiment.
- FIG. 13A and FIG. 13B are longitudinal sectional views for explaining the adjustment work.
- FIG. 14A and FIG. 14B are longitudinal sectional views for explaining the adjustment work following FIG.
- FIG. 15 is a longitudinal sectional view for explaining adjustment work following FIG. 14.
- FIG. 16A, FIG. 16B, and FIG. 16C are a plan view, a longitudinal sectional view, and a perspective view for explaining different adjustment operations.
- FIG. 17A, FIG. 17B and FIG. 17C are longitudinal sectional views for explaining the adjustment work following FIG.
- FIG. 18A and FIG. 18B are a perspective view and a cross-sectional view of a contact mechanism unit showing a second embodiment of the electromagnetic relay according to the present invention.
- 19A, 19B, and 19C are a perspective view, a side view, and a longitudinal sectional view of the movable contact block shown in FIG.
- Moving contact block 1 Moving iron core
- Auxiliary yoke 72 annular rib
- the electromagnetic relay main body 20 is housed in a resin case 10 provided with a pair of mounting flange portions 11 and 11, and a resin cap.
- This is an electromagnetic relay that is fitted with a seal 12 and sealed.
- the electromagnetic relay main body 20 includes an integrated electromagnet unit 30 and contacts in a space where a metal cover 22 is welded and integrated to a bottomed cylindrical metal case 21 and sealed.
- the mechanism unit 50 is accommodated.
- the metal cover 22 is, for example, A1 , Cu, Fe, SUS, etc. are provided, and terminal holes 24 and 25 and gas vent holes 26 are provided on the bottom surface of the recess 23 formed by pressing force.
- the shortest distances from the outer peripheral surfaces of terminal portions 55b, 56b, 81b, and 82b, which will be described later, to the edge portions of the recesses 23 are almost the same. For this reason, there is an advantage that stress concentration due to thermal stress on the sealing material can be eased, peeling of the sealing material can be prevented, and the amount of the sealing material used can be reduced.
- the electromagnet unit 30 has a coil 35 wound around a flange body portion 32 of a spool 31 having upper and lower flange portions 33, 34 and a yoke 40 assembled thereto.
- the rod body 32 has an elliptical cross section in order to increase the winding amount of the coil 35.
- Relay terminal pedestals 36 and 37 are provided so as to be opposed to both side edges of the upper surface of the upper flange 33 so as to face each other.
- Relay terminals 38 and 39 connected to coil terminals 81 and 82, which will be described later, are press-fitted into the press-fitting grooves of the pedestals 36 and 37, respectively.
- the bent portions 38a, 39a and the connecting portions 38b, 39b of the relay terminals 38, 39 protrude from the pedestal portions 36, 37, respectively.
- a pair of substantially U-shaped positioning ribs 34a project from the bottom surface of the flange 34 on the lower side in order to position a yoke 40 described later. Then, after winding the coil 35 around the collar body 32 of the spool 31, the lead wire of the coil 35 is soldered by being entangled with the curled portions 38a, 39a of the relay terminals 38, 39. Therefore, the solenoid composed of the coil 35 has a substantially elliptical cross section.
- the yoke 40 is made of a bottomed cylindrical magnetic material, and has a shape in which side openings 41, 41 are formed by cutting opposite side portions of the side wall.
- a through hole 43 for press-fitting a fixed iron core 46 to be described later is provided at the center of the bottom surface 42 of the yoke 40.
- notches 44 and 44 for fixing a plate-like auxiliary yoke 70 described later are formed on the upper side edges of both sides of the yoke 40, respectively.
- the fixed iron core 46 has a cylindrical shape that can be press-fitted into the through-hole 43 of the yoke 40, and a mortar-shaped recess 47 that can be fitted to the lower end of a movable iron core 61 described later on the upper end surface thereof. Is provided. Further, the bottom of the mortar-shaped recess 47 is provided with a storage hole 48 that can store the return panel 45.
- the contact mechanism unit 50 includes a first base 51 and a second base 52.
- Two plate-like permanent magnets 53, 54, a pair of fixed contact terminals 55, 56, and a movable contact block 60 are assembled in the internal space formed by the attachment.
- a plate-like auxiliary yoke 70 is caulked and fixed to the bottom surface of the first base 51.
- a pair of coil terminals 81 and 82 are assembled to the outer surface of the second base 52, and an insulating cover 83 is assembled.
- the first base 51 is a resin molded product having a number of guide grooves into which the fixed contact terminals 55, 56 and the like can be assembled from the side, and the auxiliary base is formed on the bottom surface thereof.
- a protrusion 51a (FIG. 8B) is provided to fix the clamp 70 by caulking.
- the second base 52 has a shape that covers the movable contact block 60 and enhances the insulation characteristics by being assembled to the first base 51. Further, an adjustment hole 51 b (FIG. 6) is formed between the second base 52 and the first base 51 so that the movable contact block 60 can be viewed from above. Further, the second base 52 can have a pair of coil terminals 81 and 82 attached to its outer side surface by a lateral force.
- the plate-like permanent magnets 53 and 54 are for erasing the arc generated when the contact is opened and closed by the generated magnetic force and extending the contact life. Further, the permanent magnets 53 and 54 guide the dust generated by the arc so as not to adhere to the contact surface, thereby preventing poor contact. For this reason, the plate-like electromagnets 53 and 54 are arranged in parallel with a movable contact piece 64 to be described later interposed therebetween by being press-fitted into the guide groove of the first base 51.
- the pair of fixed contact terminals 55, 56 has a substantially U-shaped side surface, and fixed contacts 55a, 56a are provided on the lower side of the inner peripheral surface, respectively, while the outer peripheral surface Terminal portions 55b and 56b each having a female screw are provided on the upper side.
- the movable contact block 60 is formed by integrally forming an insulating annular holder 62 at the upper end of the movable iron core 61, and in the annular holder 62, the contact pressure panel 63.
- the movable contact piece 64 is supported while being urged downward.
- a narrow neck is formed at the upper end of the movable iron core 61 so that the annular holder 62 is difficult to fall off (FIG. 11).
- the upper end portion of the movable iron core 61 is not limited to a narrow neck shape, and may be a male screw shape, for example.
- a recess 61a into which the return panel 45 can be fitted is provided on the lower end surface of the movable iron core 61 (FIG.
- both sides of the lower surface of the movable contact piece 64 Movable contacts 65 and 66 are formed on the edge by extrusion. Further, a concavo-convex portion for preventing dropping is formed at the center portion of the movable contact piece 64 by extrusion processing.
- the movable contact block 60 is inserted from the side along the guide groove of the first base 51 and is slidably accommodated in the vertical direction.
- the auxiliary yoke 70 has a planar shape that can be disposed between pedestal portions 36 and 37 provided on the flange portion 33 of the spool 31, and the yoke 40 is disposed at both end edges. Tongue pieces 71, 71 fixed to the notch 44 are extended. In addition, a through hole 73 is formed in the central portion of the auxiliary yoke 70 with an annular rib 72 protruding from the lower opening edge.
- the auxiliary yoke 70 is integrated by force-squeezing the force-squeeze projection 51a (FIG. 8B) protruding from the bottom surface of the first base 51 into the force-squeeze hole 74.
- the coil terminals 81, 82 are made of a conductive material bent into a substantially L-shaped side surface, and have vertical lower ends as connection portions 81a, 82a, and horizontal top sides.
- the terminal portions 55b and 56b each having a female screw portion are fixed to the portion. Then, a lateral force is assembled to the outer surface of the second base.
- the insulating cover 83 is for covering the coil terminals 81 and 82 to enhance insulation. Then, by fitting the second base 52 from above, the terminal portions 81b and 82b of the coil terminals 81 and 82 protrude from the terminal holes 84 and 85, respectively. Further, the gas vent hole 86 of the insulating cover 83 does not overlap the adjustment hole 51b, and a projecting piece 87 extending laterally from the insulating cover 83 covers the adjustment hole 51b.
- the yoke 40 is assembled to the spool 31 around which the coil 35 is wound, and the yoke 40 is positioned by a pair of substantially U-shaped protrusions 34a projecting from the lower surface of the flange portion 34 of the spool 31.
- the pedestal rod 36 and 37 force of the spunole 31 are located within the range of the direction yoke 41 and 41 of the S yoke 40, respectively.
- the relay terminals 38, 39 press-fitted into the pedestals 36, 37 are located within the range of the side openings 41, space can be effectively used, and the electromagnet unit 30 with a small floor area can be obtained.
- the long axis of the flange body portion 32 of the spool 31 passes through the side openings 41, 41 of the yoke 40. Therefore, there is an advantage that the winding amount of the coil 35 can be increased by at least the thickness of the yoke 40.
- a pair of plate-like electromagnets 53 and 54 are press-fitted into the first base 51, and a pair of fixed contact terminals 55 and 56 are press-fitted from the side.
- the movable contact block 60 is assembled to the first base 51 so as to be slidable in the vertical direction, and the force projection hole 74 of the auxiliary yoke 70 is fitted to the caulking projection 51a of the first base 51 to be caulked. Fix it.
- the tongue pieces 71, 71 of the auxiliary yoke 70 that is caulked and fixed to the first base 51 are bridged to the notches 44 and 44 of the yoke 40 assembled to the spool 31, and are caulked and fixed.
- the electromagnet unit 30 and the contact mechanism unit 50 are integrated.
- the coil terminals 81, 82 are assembled to the second base 52, so that the connection portions 38b, 39b of the relay terminals 38, 39 are connected.
- the connecting portions 81a and 82a of the coil terminals 81 and 82 are brought into contact with each other and welded together (FIG. 8A).
- the return panel 45 is inserted into the shaft center hole 32a of the rod body 32 of the spool 31, and the fixed iron core 46 is press-fitted into the through hole 43 of the yoke 40, thereby completing the intermediate product.
- the adjustment work that is relevant to the present embodiment is performed roughly based on the order of steps shown in FIG. 12A. That is, the intermediate product is adjusted in accordance with a contact follow-up amount set in advance, and the fixed iron core 46 is fixed to the yoke 70, and then its characteristics are measured. Then, the measurement result is fed back to the contact tracking amount setting to set a new contact tracking amount, and thereafter the same adjustment is repeated.
- step S1 the probe 95 is pushed down from the through hole 93 of the pressing plate 94 through the adjustment hole 51b of the first base 51 (Fig. 12B), so that it can resist the panel force of the return panel 45 and move.
- the contact block 60 is lowered, and the movable iron core 61 contacts the fixed iron core 46 (FIG. 13B).
- the movable contact block 60 is lowered, and the movable contacts 65 and 66 come into contact with the fixed contacts 55a and 56a, respectively (FIG. 14A).
- Step S3 Set the contact follow-up amount with, and when the probe 95 is pushed down by the contact follow-up amount in step S4, the movable iron core 61 of the movable contact block 60 is fixed against the panel force of the contact pressure panel 63. By depressing 46, the predetermined contact follow-up amount is secured (Fig. 14B).
- step S5 the fixed iron core 61 is welded and fixed to the yoke 40 in that state.
- the characteristic measuring device 104 measures the characteristics of the electromagnetic relay to determine suitability. If the characteristics are not suitable, the intermediate product is also taken out from the assembly line power.
- step 7 the contact follow-up amount is corrected based on the database of the electromagnetic relay characteristics and the contact follow-up amount, and the process returns to step 3.
- the contact follow-up amount is not set, the adjustment work is completed, the probe 95 and the jig pin 92 are removed (FIG. 15), and the next process is performed.
- the fixed iron core 46 and the movable iron core 61 are welded together in the iron core fixing unit 103 of the operation characteristic adjusting device 100.
- the measured intermediate product is measured and detected by the characteristic measuring instrument 104.
- This two-stage operating voltage is the difference between the operating voltage at which the movable contact block 60 of the intermediate product starts operating and the complete operating voltage at which the movable iron core 61 is completely attracted to the fixed core 46.
- the data processor 105 calculates the optimum contact follow-up amount based on the actually detected two-stage operation voltage.
- the calculation result is transmitted to the control unit 101 of the operation characteristic adjusting device 100, and the pushing amount of the probe 95 etc. in the measurement and control stroke control unit 102 is corrected. Therefore, for example, if the two-step operating voltage is too large, the probe push-in amount is considered to be too large, so the contact tracking amount, based on the correlation between the past two-stage operating voltage and the contact tracking amount, In other words, the probe is corrected so as to reduce the pushing amount.
- the characteristic measuring instrument 104 is illustrated at a position away from the operating characteristic adjusting device 100, but is incorporated in the operating characteristic adjusting device 100.
- the adjustment work according to the present embodiment has an advantage that an electromagnetic relay with good yield can be obtained in which variations in operating characteristics are eliminated because variations in component accuracy and assembly accuracy can be eliminated by the above-described adjustment work.
- adjustment work and measurement work can be performed continuously in the same process, so work efficiency is good.
- the measurement results of operating characteristics are fed back Since it can be applied to the latest electromagnetic relay, there is an advantage that the yield is good.
- an insulating cover 83 is assembled to the second base 52 of the intermediate product for which the adjustment work has been completed to cover the coil terminals 81 and 82. Further, as shown in FIG. 3, after the intermediate product is stored in the metal case 21 and the metal cover 22 is fitted and welded together, the gas vent hole 26 of the metal cover 22 and the metal cover 22 are inserted. Pass the gas vent pipe 27 through the gas vent hole 86 of the insulating cover 83. Next, a sealing material 28 is poured into the recess 23 of the metal cover 22 and solidified for sealing. Then, after sucking and removing the internal gas from the degassing pipe 27, the degassing pipe 27 is heat-sealed, whereby the electromagnetic relay main body 20 is completed.
- the electromagnetic relay main body 20 is housed in the resin case 10 and the resin cap 12 is fitted to complete the assembly operation of the electromagnetic relay.
- heat-resistant ceramics may be arranged at predetermined positions on the inner side surfaces of the first and second bases 51 and 52. By disposing the ceramic, the heat of the generated arc is absorbed, and it has a great effect on erasing the arc, and can protect the first base 51 and the like with the arc force.
- an intermediate product in which the auxiliary yoke 70 is not fixed to the yoke 40 and the fixed iron core 46 is fixed to the yoke 40 in advance by force staking, welding, or the like is used as a box. It is mounted on the base 96 (FIGS. 16B and 17A), and the pushing jig 99 is brought into contact with the yoke 40. Then, when the movable contact block 60 is pushed up by the probe 95 from the adjustment hole 97 of the box-shaped base 96, the movable contacts 65, 66 come into contact with the fixed contacts 55a, 56a.
- the probe 98 is pushed in and stopped against the panel force of the contact pressure panel 63 (FIG. 17B).
- the pushing jig 99 is lowered and the yoke 40 is pushed.
- the pushing jig 99 is stopped.
- the tongue piece 71 of the auxiliary yoke 70 is fixed to the notch 44 of the yoke 40 by welding or the like (FIG. 16C), and the adjustment work is completed. Measuring the characteristics after adjustment and feed-knocking the measurement results to correct the contact follow-up amount is the same as the adjustment system described above.
- the tongue piece 71 of the auxiliary yoke 70 can be fixed to the notch 44 of the yoke 40, the fixing work is facilitated, the options of the adjustment method are expanded, and the work efficiency is improved. There is an advantage that dredging becomes possible.
- a permanent magnet 57 is press-fitted and held in the movable block 60. That is, the permanent magnet 57 is press-fitted and held in the recess 67 provided at the base of the insulating annular holder 62. In this embodiment, it has an outer shape that can be replaced with the movable contact block 60 according to the first embodiment. Of course, as in the first embodiment, the above-mentioned heat-resistant ceramic may be arranged at a predetermined position. [0043] According to the present embodiment, the arc generated when the contact is opened and closed can be erased by the magnetic force (Lorentz force) of the magnetic field generated by the permanent magnet 57. As shown in FIG.
- the arc is generated along with the generation of the arc.
- Dust 110 is guided to a position far from the surfaces of the movable contacts 55 and 56a. For this reason, the dust 110 adheres to the contact surface, resulting in poor contact.
- the present invention is not limited to a DC current interrupting or AC current interrupting electromagnetic relay, and may of course be applied to other switching devices such as switches and timers.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780016318.7A CN101438365B (zh) | 2006-05-12 | 2007-05-11 | 电磁继电器 |
US12/297,393 US7911301B2 (en) | 2006-05-12 | 2007-05-11 | Electromagnetic relay |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-133860 | 2006-05-12 | ||
JP2006133860A JP4765761B2 (ja) | 2006-05-12 | 2006-05-12 | 電磁継電器 |
Publications (1)
Publication Number | Publication Date |
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WO2007132772A1 true WO2007132772A1 (ja) | 2007-11-22 |
Family
ID=38693865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/059747 WO2007132772A1 (ja) | 2006-05-12 | 2007-05-11 | 電磁継電器 |
Country Status (4)
Country | Link |
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US (1) | US7911301B2 (ja) |
JP (1) | JP4765761B2 (ja) |
CN (1) | CN101438365B (ja) |
WO (1) | WO2007132772A1 (ja) |
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JP5684649B2 (ja) * | 2011-05-19 | 2015-03-18 | 富士電機機器制御株式会社 | 電磁接触器 |
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JP5938745B2 (ja) * | 2012-07-06 | 2016-06-22 | パナソニックIpマネジメント株式会社 | 接点装置および当該接点装置を搭載した電磁継電器 |
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JP6265657B2 (ja) * | 2013-08-26 | 2018-01-24 | 富士通コンポーネント株式会社 | 電磁継電器 |
KR101943363B1 (ko) * | 2015-04-13 | 2019-04-17 | 엘에스산전 주식회사 | 전자개폐기 |
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JP2019083174A (ja) * | 2017-10-31 | 2019-05-30 | オムロン株式会社 | 電磁継電器 |
JP6801629B2 (ja) * | 2017-10-31 | 2020-12-16 | オムロン株式会社 | 電磁継電器 |
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JP2020004848A (ja) * | 2018-06-28 | 2020-01-09 | 日本電産トーソク株式会社 | ソレノイド装置 |
CN109243924A (zh) * | 2018-09-29 | 2019-01-18 | 厦门赛特勒继电器有限公司 | 小尺寸高压直流继电器及消灭电磁继电器电弧的方法 |
USD944748S1 (en) * | 2020-02-27 | 2022-03-01 | Albright International Limited | Contactor |
CN212810187U (zh) * | 2020-06-09 | 2021-03-26 | 比亚迪股份有限公司 | 继电器 |
JP2022135744A (ja) * | 2021-03-05 | 2022-09-15 | オムロン株式会社 | 電磁継電器 |
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CN1121636A (zh) * | 1994-10-26 | 1996-05-01 | 富士电机株式会社 | 电磁接触器 |
JP4038950B2 (ja) | 1999-12-16 | 2008-01-30 | 株式会社デンソー | 電磁継電器 |
JP3985628B2 (ja) | 2002-08-09 | 2007-10-03 | オムロン株式会社 | 開閉装置 |
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2006
- 2006-05-12 JP JP2006133860A patent/JP4765761B2/ja not_active Expired - Fee Related
-
2007
- 2007-05-11 US US12/297,393 patent/US7911301B2/en active Active
- 2007-05-11 CN CN200780016318.7A patent/CN101438365B/zh not_active Expired - Fee Related
- 2007-05-11 WO PCT/JP2007/059747 patent/WO2007132772A1/ja active Application Filing
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JPS4211064Y1 (ja) * | 1964-06-12 | 1967-06-20 | ||
JP2006019148A (ja) * | 2004-07-01 | 2006-01-19 | Matsushita Electric Works Ltd | 電磁開閉装置 |
Also Published As
Publication number | Publication date |
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JP2007305466A (ja) | 2007-11-22 |
US20090096559A1 (en) | 2009-04-16 |
JP4765761B2 (ja) | 2011-09-07 |
CN101438365B (zh) | 2012-09-26 |
CN101438365A (zh) | 2009-05-20 |
US7911301B2 (en) | 2011-03-22 |
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