CN102779690B - Small high-power magnetic latching relay - Google Patents
Small high-power magnetic latching relay Download PDFInfo
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- CN102779690B CN102779690B CN201210250128.4A CN201210250128A CN102779690B CN 102779690 B CN102779690 B CN 102779690B CN 201210250128 A CN201210250128 A CN 201210250128A CN 102779690 B CN102779690 B CN 102779690B
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- latching relay
- mount pad
- magnetic latching
- contact
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Abstract
The invention discloses a small high-power magnetic latching relay, which comprises a magnetic circuit part, a contact part and a push piece, wherein the magnetic circuit part comprises a coil frame, a coil, a magnetic packet, an iron core and a yoke, and the magnetic packet comprises magnetic steel and an armature. The small high-power magnetic latching relay is characterized in that the coil frame comprises a hollow cylindrical shaft, a first mounting seat and a second mounting seat; the first mounting seat and the second mounting seat are horizontally arranged in parallel and are integrally connected with the end part of the cylindrical shaft; the magnetic packet is fixedly arranged on the push piece; the push piece is arranged on the first mounting seat and is in sliding fit with the first mounting seat; the contact part is arranged in the second mounting seat; and the push piece is connected with the contact part. The small high-power magnetic latching relay has the advantages that because the magnetic packet and the contact part are positioned at a same end of the coil frame, a relatively large space can be reserved for the coil on the coil frame so as to enlarge the coils, so that the load capacity of the magnetic latching relay is improved; and meanwhile, the whole relay is compact in structure and small in volume, so that the small high-power magnetic latching relay can be suitable for a printed circuit board with the requirements of high relay load power and small volume, and the application field of the magnetic latching relay is widened.
Description
Technical field
The present invention relates to a kind of relay, particularly relate to a kind of small-sized high-power magnetic latching relay.
Background technology
More and more extensive along with relay purposes, its kind also gets more and more, and function and structure is also different, and wherein electromagnetic relay and magnetic latching relay are types relatively more conventional in relay.And at present regardless of which kind of relay, generally, relay load is larger, the volume also corresponding increase of relay, but the relay of this heavy load, because volume ratio is comparatively large, and cannot be applied to and require that, on relay power is large, volume is little printed substrate, the application that result in relay is restricted.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of load is large, volume is little, and perfect heat-dissipating, the small-sized high-power magnetic latching relay of long service life.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of small-sized high-power magnetic latching relay, comprise magnetic circuit part, contact portion and pushing piece, described magnetic circuit part comprises bobbin, coil, disk pack, iron core and yoke, described disk pack is made up of magnet steel and armature, described bobbin comprises the columnar shaft of hollow, first mount pad and the second mount pad, the first described mount pad and the second described mount pad horizontal Tile arrange and are integrally connected to the end of described columnar shaft, described disk pack is fixedly mounted on described pushing piece, described pushing piece to be arranged on the first described mount pad and to be slidably matched with the first described mount pad, described contact portion is arranged in the second described mount pad, described pushing piece connects with described contact portion.
Described coil is around in described columnar shaft, described iron core is fixed through the rear end of described columnar shaft and described yoke, the front end of described yoke is U-shaped end, described U-shaped end opening is enclosed within outside described disk pack down, described armature is two panels, armature described in two panels is vertically set on the both sides of described magnet steel, described armature and described magnet steel jointly formed one U-shaped, the end of described iron core is between the armature described in two panels, described pushing piece is provided with disk pack installing hole, with described disk pack installing hole interference fit after the end of described armature and described magnet steel merge.
Two corners that described armature coordinates with described disk pack installing hole are rounding, make armature and disk pack installing hole form the space of some glue, thus make disk pack firm with connecting of pushing piece.
Described small-sized high-power magnetic latching relay, also comprises case and base plate, and described base plate is arranged on the below of described bobbin, and the lower surface of described bobbin has been wholely set multiple support column.
The height of described support column is 0.6 ~ 1.0mm.
Described contact portion comprises dynamic contact group and contacts group with quiet, described quiet contact group comprises static contact and fixed contact, described static contact to be plugged in the second described mount pad and perpendicular with described base plate, described dynamic contact group comprises movable contact spring, moving contact and dynamic spring leading foot, the front end of described movable contact spring is plugged on described pushing piece, the rear end of described movable contact spring is riveted mutually with the rear end of described yoke, and described dynamic spring leading foot is riveted on described yoke.
Contact gap is 0.4 ~ 0.6mm and 1.8 ~ 2.0mm, makes relay can select concrete gap width according to its actual loading within the scope of this, produces contact arc discharge and ablation contact during to avoid load current excessive.
The upper and lower inner face of the second described mount pad is respectively arranged with the slot for the static contact described in grafting.
Described coil overcoat has insulating case, and described insulating case is positioned at the below of described yoke, improves the dielectric withstanding voltage between contact and coil, and it is withstand voltage reaches 4000VAC/50Hz.
The upper and lower end face of the second described mount pad is respectively arranged with louvre.
The upper and lower end face of the first described mount pad is respectively arranged with chute, described pushing piece is provided with joint pin, described joint pin is arranged in described chute and coordinates with described slide, described upper and lower end face is provided be connected with described chute be convenient to the mounting groove that described pushing piece installs.
Compared with prior art, advantage of the present invention is because disk pack and contact portion are positioned at same one end of bobbin, the coil that can be on bobbin reserves more space, to increase coil, thus promote the load capacity of magnetic latching relay, its load can reach 80A/277VAC, the structure comparison of whole magnetic latching relay is compact simultaneously, volume is little, makes it be applicable to require, on relay bearing power is large, volume is little printed substrate, to expand the application of magnetic latching relay; And be wholely set multiple support column due to the lower surface of bobbin, make to form an air circulation layer between bobbin and base plate, greatly improve the heat dispersion of relay, extend the useful life of relay; In addition, because dynamic spring leading foot is riveted on yoke, namely dynamic spring leading foot and yoke split are arranged, and save material.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram after the present invention removes case;
Fig. 2 is the cutaway view of Fig. 1;
Fig. 3 is the decomposing schematic representation of Fig. 1;
Fig. 4 is the polycrystalline substance schematic diagram of bobbin of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in the figure, a kind of small-sized high-power magnetic latching relay, comprise magnetic circuit part, contact portion, pushing piece 1, insulating case 2, case (not shown) and base plate 7, magnetic circuit part comprises bobbin 3, coil 34, disk pack, iron core 4 and yoke 5, bobbin 3 comprises the columnar shaft 31 of hollow, first mount pad 32 and the second mount pad 33, first mount pad 32 and the second mount pad 33 horizontal Tile arrange and are integrally connected to the end of columnar shaft 31, coil 34 is around in columnar shaft 31, it is outer and be positioned at the below of yoke 5 that insulating case 2 is enclosed within coil 34, unshakable in one's determination 4 fix through the rear end of columnar shaft 31 with yoke 5, the front end of yoke 5 is U-shaped end 51, U-shaped end 51 is opening down to be enclosed within outside disk pack, disk pack is made up of magnet steel 6 and the armature 61 being vertically set on magnet steel 6 both sides, armature 61 and magnet steel 6 jointly formed one U-shaped, the end of unshakable in one's determination 4 is between two panels armature 61, pushing piece 1 is provided with disk pack installing hole 11, after the end of armature 61 and magnet steel 6 merge respectively with disk pack installing hole 11 interference fit, two corners that armature 61 coordinates with disk pack installing hole 11 are rounding, first mount pad 32 upper, lower surface is respectively arranged with chute 321, pushing piece 1 is provided with joint pin 12, joint pin 12 is arranged in chute 321 and is slidably matched with chute 321, on, lower surface is provided be connected with chute 321 be convenient to the mounting groove 322 that pushing piece 1 installs, contact portion comprises dynamic contact group and contacts group with quiet, quiet contact group comprises static contact 91 and fixed contact 92, second mount pad 33 upper, lower inner face is respectively arranged with slot 332, static contact 91 to be plugged in slot 332 and perpendicular with base plate 7, dynamic contact group comprises movable contact spring 81, moving contact 82 and dynamic spring leading foot 83, in a non-operative state, gap between moving contact 82 and fixed contact 92 is 2.0mm, the front end of movable contact spring 81 is plugged on pushing piece 1, the rear end of movable contact spring 81 is riveted mutually with the rear end of yoke 5, dynamic spring leading foot 83 is riveted on yoke 5, second mount pad 33 upper, lower surface is respectively arranged with louvre 331, base plate 7 is arranged on the below of bobbin 3, the lower surface of bobbin 3 has been wholely set multiple support column 35.
In above-described embodiment, contact gap can be selected in the scope of 0.4 ~ 0.6mm and 1.8 ~ 2.0mm according to relay actual loading, and the height of support column 35 can be selected according to actual needs in the scope of 0.6 ~ 1.0mm.
Claims (7)
1. a small-sized high-power magnetic latching relay, comprise magnetic circuit part, contact portion and pushing piece, described magnetic circuit part comprises bobbin, coil, disk pack, iron core and yoke, described disk pack is made up of magnet steel and armature, described bobbin comprises the columnar shaft of hollow, first mount pad and the second mount pad, the first described mount pad and the second described mount pad horizontal Tile arrange and are integrally connected to the end of described columnar shaft, described disk pack is fixedly mounted on described pushing piece, described pushing piece to be arranged on the first described mount pad and to be slidably matched with the first described mount pad, described contact portion is arranged in the second described mount pad, described pushing piece connects with described contact portion, characterized by further comprising case and base plate, described base plate is arranged on the below of described bobbin, the lower surface of described bobbin has been wholely set multiple support column, described coil is around in described columnar shaft, described iron core is fixed through the rear end of described columnar shaft and described yoke, the front end of described yoke is U-shaped end, described U-shaped end opening is enclosed within outside described disk pack down, described armature is two panels, armature described in two panels is vertically set on the both sides of described magnet steel, described armature and described magnet steel jointly formed one U-shaped, the end of described iron core is between the armature described in two panels, described pushing piece is provided with disk pack installing hole, with described disk pack installing hole interference fit after the end of described armature and described magnet steel merge, the second described mount pad upper, lower surface is respectively arranged with louvre.
2. a kind of small-sized high-power magnetic latching relay as claimed in claim 1, is characterized in that two corners that disk pack installing hole on described armature with described coordinates are rounding.
3. a kind of small-sized high-power magnetic latching relay as claimed in claim 1, it is characterized in that described contact portion comprises dynamic contact group and contacts group with quiet, described quiet contact group comprises static contact and fixed contact, described static contact to be plugged in the second described mount pad and perpendicular with described base plate, described dynamic contact group comprises movable contact spring, moving contact and dynamic spring leading foot, the front end of described movable contact spring is plugged on described pushing piece, the rear end of described movable contact spring is riveted mutually with the rear end of described yoke, described dynamic spring leading foot is riveted on described yoke.
4. a kind of small-sized high-power magnetic latching relay as claimed in claim 3, is characterized in that contact gap is 0.4 ~ 0.6mm and 1.8 ~ 2.0mm.
5. a kind of small-sized high-power magnetic latching relay as claimed in claim 3, is characterized in that the upper and lower inner face of the second described mount pad is respectively arranged with the slot for the static contact described in grafting.
6. a kind of small-sized high-power magnetic latching relay as claimed in claim 1, it is characterized in that described coil overcoat has insulating case, described insulating case is positioned at the below of described yoke.
7. a kind of small-sized high-power magnetic latching relay as claimed in claim 1, the upper and lower end face that it is characterized in that the first described mount pad is respectively arranged with chute, described pushing piece is provided with joint pin, described joint pin is arranged in described chute and coordinates with described slide, described upper and lower end face is provided be connected with described chute be convenient to the mounting groove that described pushing piece installs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250128.4A CN102779690B (en) | 2012-07-19 | 2012-07-19 | Small high-power magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250128.4A CN102779690B (en) | 2012-07-19 | 2012-07-19 | Small high-power magnetic latching relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102779690A CN102779690A (en) | 2012-11-14 |
| CN102779690B true CN102779690B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210250128.4A Active CN102779690B (en) | 2012-07-19 | 2012-07-19 | Small high-power magnetic latching relay |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413730B (en) * | 2013-06-13 | 2016-01-27 | 厦门宏发汽车电子有限公司 | A kind of magnetic latching relay of clapper-type armature structure |
| CN104465224B (en) * | 2014-11-20 | 2015-12-09 | 宁波市鄞州永林电子电器有限公司 | A kind of automobile electrical magnetic relay |
| CN108172471B (en) * | 2018-01-22 | 2024-07-09 | 厦门宏发汽车电子有限公司 | High-load automobile relay with magnetic steel arc extinction function |
| CN109285729B (en) * | 2018-11-20 | 2024-11-08 | 浙江宇控智能科技有限公司 | Magnetic latching relay |
| CN110581043A (en) * | 2019-09-06 | 2019-12-17 | 陕西群力电工有限责任公司 | Sealed strip output radio frequency relay |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4539543A (en) * | 1983-07-28 | 1985-09-03 | Takamisawa Electric Co., Ltd. | Core structure for an electromagnetic relay |
| CN1256500A (en) * | 1998-12-07 | 2000-06-14 | 松下电工株式会社 | Electromagnetic relay |
| CN1400618A (en) * | 2002-07-04 | 2003-03-05 | 厦门宏发电声有限公司 | Miniature electromagnetic relay |
| CN202712079U (en) * | 2012-07-19 | 2013-01-30 | 宁波福特继电器有限公司 | Small high-power magnetic latching relay |
-
2012
- 2012-07-19 CN CN201210250128.4A patent/CN102779690B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4539543A (en) * | 1983-07-28 | 1985-09-03 | Takamisawa Electric Co., Ltd. | Core structure for an electromagnetic relay |
| CN1256500A (en) * | 1998-12-07 | 2000-06-14 | 松下电工株式会社 | Electromagnetic relay |
| CN1400618A (en) * | 2002-07-04 | 2003-03-05 | 厦门宏发电声有限公司 | Miniature electromagnetic relay |
| CN202712079U (en) * | 2012-07-19 | 2013-01-30 | 宁波福特继电器有限公司 | Small high-power magnetic latching relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102779690A (en) | 2012-11-14 |
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