CN104701087A - Relay for large current environment - Google Patents

Relay for large current environment Download PDF

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Publication number
CN104701087A
CN104701087A CN201510018737.0A CN201510018737A CN104701087A CN 104701087 A CN104701087 A CN 104701087A CN 201510018737 A CN201510018737 A CN 201510018737A CN 104701087 A CN104701087 A CN 104701087A
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CN
China
Prior art keywords
furnished
relay
armature
current environment
skeleton
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CN201510018737.0A
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Chinese (zh)
Other versions
CN104701087B (en
Inventor
王立文
王承东
吴胜春
雷慧敏
王俊淇
赖柏谚
王诗茹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Electronic Science And Technology Co Ltd Of Worldcom
Original Assignee
Ningbo Electronic Science And Technology Co Ltd Of Worldcom
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 Ningbo Electronic Science And Technology Co Ltd Of Worldcom filed Critical Ningbo Electronic Science And Technology Co Ltd Of Worldcom
Priority to CN201510018737.0A priority Critical patent/CN104701087B/en
Publication of CN104701087A publication Critical patent/CN104701087A/en
Application granted granted Critical
Publication of CN104701087B publication Critical patent/CN104701087B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/04Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041Details concerning assembly of relays
    • H01H50/042Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/12Ventilating; Cooling; Heating
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements
    • H01H50/60Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit

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

Abstract

The invention relates to a relay for a large current environment. The relay for the large current environment comprises a housing, wherein a bottom plate is installed on the bottom face of the interior of the housing, a skeleton is installed on the upper end face of the bottom plate, a coil is installed in the middle of the skeleton, yoke iron is installed on the upper end face of the coil, one end of the yoke iron is bent downwards, and fixed on the skeleton through an iron core, a push piece is installed on the upper end face of the yoke iron, one end of the push piece is connected with the bent portion at the upper end of the yoke iron, a base seat is installed on the upper end face of the interior of the housing, a stationary contact and a movable contact are abreast installed from the top down in the base seat and above the bent portion of the yoke iron, a clamp spring is vertically installed on the rear side face of the yoke iron, a movable reed is installed above the push piece, one end of the movable reed is inserted into the yoke iron, the other end of the movable reed is arranged between the stationary contact and the movable contact, and a movable reed foot and a stationary reed foot are vertically and abreast installed on the upper end face of the housing. The relay for the large current environment has the advantages of being simple in structure, high in production speed, good in heat dissipation effect, long in use life, capable of working for a long time under a large current and the like.

Description

A kind of relay for big current environment
Technical field
The present invention relates to relay and manufacture field, particularly relate to a kind of relay for big current environment.
Background technology
Existing a kind of relay, is assembled by pedestal, skeleton, coil, yoke, armature, pushing piece, movable contact spring, dynamic spring pin, quiet spring pin, jump ring, pin, iron core and shell.Skeleton, yoke, movable contact spring, dynamic spring pin, quiet spring pin and jump ring are all fixed on pedestal; Pin is inserted on skeleton, and coil is around on skeleton, and iron core is inserted in skeleton, and one end unshakable in one's determination and yoke are riveted and be fixed together, and one end of armature is through in the breach of yoke afterbody, and the other end and pushing piece are fixed, and are placed on yoke by jump ring; Dynamic spring pin is connected with movable contact spring riveted and offsets in pushing piece; One end of jump ring is riveted on yoke, and the other end stretches into yoke and armature through the through hole in armature.There is following problem in general relay: the creepage distance one, between coil and contact is short, withstand voltage deficiency; Two, pushing piece adopts common plastics heatproof inadequate, should be melted by movable contact spring and relay be scrapped; Three, pushing piece and armature is fixing, the fixing complex production process of dynamic and static spring pin and pedestal; Four, skeleton because of production efficiency when pin molds punch forming is assembled low, skeleton easy fracture and iron core face is highly unstable when riveted iron core, due to first line end and last line end is smooth causes the easy short circuit when being energized and break after skeleton winds coil.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of relay for big current environment, has that structure is simple, speed of production is fast, good heat dissipation effect, long service life, the feature such as can work long hours under big current.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of relay for big current environment, comprise shell, pedestal and skeleton, the bottom surface of described enclosure is provided with base plate, described base plate upper surface is provided with skeleton, described skeleton is provided with coil, described coil upper end face is provided with yoke, described yoke one end bends downwards, the other end is inserted in the armature being positioned at coil side, described yoke upper surface is provided with one end to be connected with armature upper end kink pushing piece, described enclosure upper surface is provided with pedestal, in described pedestal, yoke bending top is side by side up and down is provided with fixed contact and moving contact, described armature trailing flank is vertically provided with jump ring, being provided with one end above described pushing piece is inserted in armature, one end is arranged in the movable contact spring between fixed contact and moving contact, described shell upper surface is vertically provided with dynamic spring pin and quiet spring pin side by side, other part is used for fixing by mounting framework, armature is made to produce magnetic force by installing coil, pushing piece is driven by armature, by the promotion movable contact spring of pushing piece, the dynamic spring pin of movable contact spring is leaned on mutually with the quiet spring pin of static contact spring piece, make relay work.
Supplement as to the one of technical solutions according to the invention, described pushing piece is rectangular, the arc surface parallel with minor face is furnished with on upper surface, moving contact one end, described arc surface two ends are furnished with two perpendicular brace rods, the section of being furnished with difference face in the middle part of described arc surface, by arranging arc surface and brace rod, the contact area of movable contact spring and pushing piece being reduced, is beneficial to the heat radiation of relay movable reed.
Supplement as to the one of technical solutions according to the invention, described pushing piece is the section of being furnished with difference on the inside of one end of armature, and described armature insertion section is provided with the crowning matched with section difference, and the assembling be convenient between armature and pushing piece is fixed.
Supplement as to the one of technical solutions according to the invention, convex closure is furnished with in the middle part of described armature kink tip position, described armature kink termination is by being furnished with outer inclined-plane and interior inclined-plane, described outer inclined-plane and interior inclined-plane relative tilt upward, draw-in groove is furnished with in described armature kink, by arranging draw-in groove, jump ring is fixed to armature.
Supplement as to the one of technical solutions according to the invention, described two ends, skeleton lower surface are vertically inserted and are provided with pin, structure is simply convenient to automated job, described pin and the connecting portion of skeleton are furnished with duct isolates the first line end of coil and last line end, in the middle part of described skeleton, transverse arrangement of turbo has reinforcement, described skeleton one end face is furnished with several places convex closure around the center of circle, by arranging that several places convex closure and reinforcement make skeleton more stable when producing.
Supplement as to the one of technical solutions according to the invention, described pedestal is furnished with protruding platform near the muscle place between pushing piece and yoke, increases the dielectric voltage withstand between coil and contact.
Supplement as to the one of technical solutions according to the invention, described shell lower surface, pin outer ring are provided with parcel pin and the insulating wall of lower ending opening, by installing insulating wall, are convenient to the installation of relay.
Supplement as to the one of technical solutions according to the invention, described outer casing bottom is furnished with rectangular boss, and end face one end of described rectangular boss is furnished with air-vent, by arranging rectangular preiection, increasing the temperature capacity of relay, by arranging air-vent, increasing the heat-sinking capability of relay.
Supplement as to the one of technical solutions according to the invention, described pushing piece adopts the insulating material of temperature capability more than 250 DEG C, and pushing piece adopts the materials such as PPS, LCP, bakelite, glass, pottery according to different demand.
Supplement as to the one of technical solutions according to the invention, the side of the described dynamic spring pin of pedestal installation is furnished with protruding insertion section I, described protruding insertion section I is through the main body of dynamic spring pin, the side that described pedestal installs quiet spring pin is furnished with protruding insertion section II, described protruding insertion section II is through the main body of quiet spring pin, described dynamic spring pin and quiet spring pin are all furnished with the engaging portion I and engaging portion II of inserting pedestal near pedestal upper end surface, quiet spring pin originally and dynamic spring pin need to adopt the mode of welding to be fixed on pedestal, and by arranging that engaging portion I and engaging portion II make the quiet spring pin after being shaped and dynamic spring pin be directly installed on pedestal, eliminate this step of welding, substantially increase the speed of production of relay.
beneficial effect
The present invention relates to a kind of relay for big current environment, other part is used for fixing by mounting framework, making armature produce magnetic force by installing coil, driving pushing piece by armature, by the promotion movable contact spring of pushing piece, the dynamic spring pin of movable contact spring is leaned on mutually with the quiet spring pin of static contact spring piece, making relay work, by arranging arc surface and brace rod, the temperature of relay can be left fast, by installing insulating wall, be convenient to the installation of relay.The present invention also has that structure is simple, speed of production is fast, good heat dissipation effect, long service life, the feature such as can work long hours under big current.
Accompanying drawing explanation
Fig. 1 is topology view of the present invention;
Fig. 2 is the topology view I of pushing piece of the present invention;
Fig. 3 is the topology view II of pushing piece of the present invention;
Fig. 4 is the topology view I of armature of the present invention;
Fig. 5 is the topology view II of armature of the present invention;
Fig. 6 is the topology view III of armature of the present invention;
Fig. 7 is the topology view IV of armature of the present invention;
Fig. 8 is the topology view of skeleton of the present invention;
Fig. 9 is the topology view of dynamic spring pin of the present invention and quiet spring pin;
Figure 10 is partial view of the present invention;
Figure 11 is the C place partial enlarged view of Figure 10 of the present invention;
Figure 12 is the topology view of insulating wall of the present invention;
Figure 13 is the topology view of rectangular boss of the present invention.
Embodiment
Below in conjunction with specific embodiment, set forth the present invention further.Should be understood that these embodiments are only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Embodiments of the present invention relate to a kind of relay for big current environment, as shown in Fig. 1-13, comprise shell 1, pedestal 2 and skeleton 3, the bottom surface of described shell 1 inside is provided with base plate 12, described base plate 12 upper surface is provided with skeleton 3, described skeleton 3 is provided with coil 11, described coil 11 upper surface is provided with yoke 4, described yoke 4 one end bends downwards, the other end is inserted in the armature 5 being positioned at coil 11 side, described yoke 4 upper surface is provided with one end to be connected with armature 5 upper end kink pushing piece 6, described shell 1 inner upper end face is provided with pedestal 2, in described pedestal 2, yoke 4 is side by side up and down above bending is provided with fixed contact 13 and moving contact 14, described armature 5 trailing flank is vertically provided with jump ring 10, being provided with one end above described pushing piece 6 is inserted in armature 5, one end is arranged in the movable contact spring 8 between fixed contact 13 and moving contact 14, described shell 1 upper surface is vertically provided with dynamic spring pin 7 and quiet spring pin 9 side by side.
Described pushing piece 6 is rectangular, is furnished with the arc surface 601 parallel with minor face, described arc surface 601 two ends are furnished with two perpendicular brace rods 603 on upper surface, moving contact 14 one end, the section of being furnished with difference face 602 in the middle part of described arc surface 601.
Described pushing piece 6 section of being furnished with on the inside of one end of armature 5 differs from 604, and described armature 5 insertion section is provided with and differs from 604 crownings matched 501 with section.
Convex closure 502 is furnished with in the middle part of described armature 5 kink tip position, described armature 5 kink termination is by being furnished with outer inclined-plane 503 and interior inclined-plane 504, described outer inclined-plane 503 and interior inclined-plane 504 relative tilt upward, be furnished with draw-in groove 505 in described armature 5 kink.
Described two ends, skeleton 3 lower surface are vertically inserted and are provided with pin 15, described pin 15 is furnished with duct 303 with the connecting portion of skeleton 3, in the middle part of described skeleton 3, transverse arrangement of turbo has reinforcement 302, and described skeleton 3 both ends of the surface are furnished with counterweight convex closure 301 around the center of circle.
Described pedestal 2 is furnished with protruding platform 201 near the muscle place between pushing piece 6 and yoke 4.
Described shell 1 lower surface, pin 15 outer ring are provided with parcel pin 15 and the insulating wall 16 of lower ending opening.
Be furnished with rectangular boss 17 bottom described shell 1, end face one end of described rectangular boss 17 is furnished with air-vent 18.
Described pushing piece 6 adopts the insulating material of temperature capability more than 250 DEG C.
The side of the described dynamic spring pin 7 of pedestal 2 installation is furnished with protruding insertion section I 701, described protruding insertion section I 701 is through the main body of dynamic spring pin 7, the side that described pedestal 2 installs quiet spring pin 9 is furnished with protruding insertion section II 901, described protruding insertion section II 901 is through the main body of quiet spring pin 9, and described dynamic spring pin 7 and quiet spring pin 9 are all furnished with the engaging portion I 702 and engaging portion II 902 of inserting pedestal 2 near pedestal 2 upper end surface.
Embodiment 1
First on the base plate 12 of shell 1, install coil 11, skeleton 3 is installed afterwards in coil 11 side, armature 5 is installed in the upper surface of coil 11, one end of armature 5 bends towards the skeleton 3 of coil 11 side, then jump ring 10 is arranged between coil 11 and armature 5, one end of jump ring 10 is embedded in draw-in groove 505 simultaneously, pushing piece 6 is arranged on coil 11 upper surface afterwards, its one end is connected with one end of armature 5, yoke 4 is arranged between pushing piece 6 and coil 11 simultaneously, then movable contact spring 8 to be arranged on above pushing piece 6 and relative with pushing piece 6, above one end that moving contact 14 installed by movable contact spring 8, static contact spring piece and fixed contact 13 are installed, on shell 1 upper surface, vertically dynamic spring pin 7 corresponding with movable contact spring 8 and static contact spring piece respectively and quiet spring pin 9 are installed side by side afterwards.
Embodiment 2
When pin 15 is energized time, coil 11 produces magnetic field, and then armature 5 and yoke 4 are because magnetic force drives pushing piece 6, pushing piece 6 drives movable contact spring 8, movable contact spring 8 moves moving contact 14 is contacted with fixed contact 13, make dynamic spring pin 7 and quiet spring pin 9 to form loop, relay is started working.

Claims (10)

1. the relay for big current environment, comprise shell (1), pedestal (2) and skeleton (3), it is characterized in that: the bottom surface that described shell (1) is inner is provided with base plate (12), described base plate (12) upper surface is provided with skeleton (3), described skeleton (3) is provided with coil (11), described coil (11) upper surface is provided with yoke (4), described yoke (4) one end bends downwards, the other end is inserted in the armature (5) being positioned at coil (11) side, described yoke (4) upper surface is provided with one end to be connected with armature (5) upper end kink pushing piece (6), described shell (1) inner upper end face is provided with pedestal (2), in described pedestal (2), yoke (4) bending top is side by side up and down is provided with fixed contact (13) and moving contact (14), described armature (5) trailing flank is vertically provided with jump ring (10), described pushing piece (6) top is provided with one end and is inserted in armature (5), one end is arranged in the movable contact spring (8) between fixed contact (13) and moving contact (14), described shell (1) upper surface is vertically provided with dynamic spring pin (7) and quiet spring pin (9) side by side.
2. a kind of relay for big current environment according to claim 1, it is characterized in that: described pushing piece (6) is rectangular, the arc surface (601) parallel with minor face is furnished with on moving contact (14) upper surface, one end, described arc surface (601) two ends are furnished with two perpendicular brace rods (603), described arc surface (601) the middle part section of being furnished with difference face (602).
3. a kind of relay for big current environment according to claim 1, it is characterized in that: described pushing piece (6) section of being furnished with difference (604) on the inside of one end of armature (5), described armature (5) insertion section is provided with the crowning (501) matched with section difference (604).
4. a kind of relay for big current environment according to claim 1, it is characterized in that: in the middle part of described armature (5) kink tip position, be furnished with convex closure (502), described armature (5) kink termination is by being furnished with outer inclined-plane (503) and interior inclined-plane (504), described outer inclined-plane (503) and interior inclined-plane (504) relative tilt upward, be furnished with draw-in groove (505) in described armature (5) kink.
5. a kind of relay for big current environment according to claim 1, it is characterized in that: described skeleton (3) two ends, lower surface are vertically inserted and are provided with pin (15), described pin (15) is furnished with duct (303) with the connecting portion of skeleton (3), described skeleton (3) middle part transverse arrangement of turbo has reinforcement (302), and described skeleton (3) both ends of the surface are furnished with counterweight convex closure (301) around the center of circle.
6. a kind of relay for big current environment according to claim 1, is characterized in that: described pedestal (2) is furnished with protruding platform (201) near the muscle place between pushing piece (6) and yoke (4).
7. a kind of relay for big current environment according to claim 5, is characterized in that: described shell (1) lower surface, pin (15) outer ring are provided with parcel pin (15) and the insulating wall of lower ending opening (16).
8. a kind of relay for big current environment according to claim 5 or 7, it is characterized in that: described shell (1) bottom is furnished with rectangular boss (17), and end face one end of described rectangular boss (17) is furnished with air-vent (18).
9. a kind of relay for big current environment according to claim 1, is characterized in that: described pushing piece (6) adopts the insulating material of temperature capability more than 250 DEG C.
10. a kind of relay for big current environment according to claim 1, it is characterized in that: the side of the described dynamic spring pin (7) of pedestal (2) installation is furnished with protruding insertion section I (701), described protruding insertion section I (701) is through the main body of dynamic spring pin (7), the side that described pedestal (2) installs quiet spring pin (9) is furnished with protruding insertion section II (901), described protruding insertion section II (901) is through the main body of quiet spring pin (9), described dynamic spring pin (7) and quiet spring pin (9) are all furnished with the engaging portion I (702) and engaging portion II (902) of inserting pedestal (2) near pedestal (2) upper end surface.
CN201510018737.0A 2015-01-14 2015-01-14 A kind of relay for high current environment Expired - Fee Related CN104701087B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510018737.0A CN104701087B (en) 2015-01-14 2015-01-14 A kind of relay for high current environment

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CN104701087B CN104701087B (en) 2017-07-21

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105448599A (en) * 2015-11-20 2016-03-30 宁波市鄞州永林电子电器有限公司 Relay in improved structure
CN107833793A (en) * 2017-11-14 2018-03-23 厦门宏远达电器有限公司 A kind of electromagnetic relay that can effectively reduce contact bounce
CN108630494A (en) * 2017-03-15 2018-10-09 江苏正启电气有限公司 A kind of processing method of switch type relay

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1167996A (en) * 1996-05-27 1997-12-17 欧姆龙株式会社 Electromagnetic relay
US20040027776A1 (en) * 2001-11-29 2004-02-12 Riichi Uotome Electromagnetic switching apparatus
CN2870147Y (en) * 2006-03-17 2007-02-14 宁波天波港联电子有限公司 Small high-power electromagnetic relay
CN204390991U (en) * 2015-01-14 2015-06-10 宁波世通电子科技有限公司 A kind of relay for big current environment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1167996A (en) * 1996-05-27 1997-12-17 欧姆龙株式会社 Electromagnetic relay
US20040027776A1 (en) * 2001-11-29 2004-02-12 Riichi Uotome Electromagnetic switching apparatus
CN2870147Y (en) * 2006-03-17 2007-02-14 宁波天波港联电子有限公司 Small high-power electromagnetic relay
CN204390991U (en) * 2015-01-14 2015-06-10 宁波世通电子科技有限公司 A kind of relay for big current environment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105448599A (en) * 2015-11-20 2016-03-30 宁波市鄞州永林电子电器有限公司 Relay in improved structure
CN108630494A (en) * 2017-03-15 2018-10-09 江苏正启电气有限公司 A kind of processing method of switch type relay
CN107833793A (en) * 2017-11-14 2018-03-23 厦门宏远达电器有限公司 A kind of electromagnetic relay that can effectively reduce contact bounce
CN107833793B (en) * 2017-11-14 2020-11-13 厦门宏远达电器有限公司 Electromagnetic relay capable of effectively reducing contact bounce

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