CN102208305B - Magnetic circuit structure of polarized relay - Google Patents
Magnetic circuit structure of polarized relay Download PDFInfo
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- CN102208305B CN102208305B CN201110131491.XA CN201110131491A CN102208305B CN 102208305 B CN102208305 B CN 102208305B CN 201110131491 A CN201110131491 A CN 201110131491A CN 102208305 B CN102208305 B CN 102208305B
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 226
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 116
- 239000010959 steel Substances 0.000 claims abstract description 116
- 229910052742 iron Inorganic materials 0.000 claims abstract description 113
- 238000007885 magnetic separation Methods 0.000 claims description 8
- 235000000396 iron Nutrition 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- XEEYBQQBJWHFJM-OUBTZVSYSA-N iron-52 Chemical compound [57Fe] XEEYBQQBJWHFJM-OUBTZVSYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-FTXFMUIASA-N iron-51 Chemical compound [51Fe] XEEYBQQBJWHFJM-FTXFMUIASA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
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Abstract
The invention discloses a magnetic circuit structure of a polarized relay. The magnetic circuit structure comprises magnetic steel, two yokes, a magnetic shield sheet, an armature and one or two magnetic conducting iron sheets, wherein the two yokes are abreast arranged in parallel; the armature is arranged between the upper parts of the two yokes; the magnetic steel is a thin sheet and positioned between the lower parts of the two yokes; the one or two magnetic conducting iron sheets are inserted in gaps between one side or two sides of the magnetic steel and the yokes, so the magnetic steel is positioned at a bias position or a middle position of a gap between the two yokes; and two surfaces of the inserted magnetic conducting iron sheets are connected with one surface of the magnetic steel and one surface of the corresponding yoke. In the structure, the asymmetric mode of a magnetic circuit is realized by adopting a mode of combining magnetic steel bias and air magnetic leakage of the magnetic circuit; the magnetic circuit structure has the characteristics of simpleness and easiness of realization, and simplification of production process; meanwhile, the magnetic circuit structure is easy to realize; and the symmetric magnetic circuit structure of the conventional asymmetric contact type product is changed into an asymmetric magnetic circuit structure so as to prolong the electric life performance of the product.
Description
Technical Field
The present invention relates to a relay, and more particularly, to a magnetic circuit structure of a polarized relay.
Background
A polarized relay is a dc relay whose state changes depending on the polarity of an input quantity (excitation quantity). With the increasing awareness of environmental protection, the polarized relay is used as an energy-saving product and is applied more and more.
For the symmetrical or asymmetrical contact point structure of the polarized relay, the symmetrical magnetic circuit structure or the asymmetrical magnetic circuit structure needs to be matched.
Referring to fig. 1 and 2, an asymmetric magnetic circuit structure of a polarized relay in the prior art includes a yoke 1 ', a magnetic shielding piece 2', and an armature portion, wherein the armature portion includes a magnetic steel 31 ', two armatures, i.e., an armature 32', an armature 33 ', and a pushing block 34'. The magnetic steel 31 'is fixed between the two armatures 32', 33 'and is in the symmetrical position of the magnetic circuit in the magnetic circuit, therefore, for the product in the asymmetric contact form, the magnetic biasing mode adopts the mode of welding the stainless steel sheet 4' at the intersection of the yoke and the head of the armature, the stainless steel sheet 4 'can be welded on the yoke 1', and also can be welded on the armature 32 'or the armature 33', and the welding mode has the defects of needing to input welding equipment, poor welding manufacturability and the like. In addition, the magnetic steel of the magnetic circuit structure has larger volume and has the disadvantages that: firstly, increased the cost, secondly increased magnetic circuit reluctance, influenced the efficiency that the coil excited the magnetic circuit. Meanwhile, the magnetic steel 31 'is fixed on the armature, and the magnetic steel 31' and the armature move in a circle, so that the whole moving part has larger mass, and the shock and vibration resistance is poorer.
The existing other polarized relay has the advantages that no matter the contact structure form of the product is symmetrical or asymmetrical, the magnetic circuit of the polarized relay completely adopts a symmetrical structure, the mode is easy to realize in production, and the manufacturability is good. However, when the contact of the product is in an asymmetric form, if the magnetic circuit is still in a symmetric structure, the magnetic performance of the magnetic steel is reduced under certain conditions due to the characteristics of the magnetic steel, and the influence of the product reaction force in the asymmetric contact form on the product becomes obvious, so that the product has a great adverse effect on the electrical service life performance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a magnetic circuit structure of a polarized relay, which realizes an asymmetric mode of a magnetic circuit by adopting a mode of combining magnetic steel bias and magnetic circuit air leakage flux, has the characteristics of simplicity and easiness in realization, and can simplify the production process, and simultaneously, the magnetic circuit structure is easy to realize that the product in the original asymmetric contact form adopts a symmetric magnetic circuit structure to be changed into an asymmetric magnetic circuit structure so as to improve the electric service life performance of the product.
The technical scheme adopted by the invention for solving the technical problems is as follows: a magnetic circuit structure of a polarized relay comprises magnetic steel, a yoke, a magnetic separation sheet and an armature iron, wherein a coil is sleeved outside the armature iron; the yoke iron is divided into two pieces which are arranged in parallel; one end of the armature is rotatably arranged between one ends of the upper parts of the two pieces of yokes through the magnetic separation sheet, and the other end of the armature is arranged between the other ends of the upper parts of the two pieces of yokes in a swinging manner; the magnetic steel is in a sheet shape; the magnetic steel is positioned between the lower parts of the two pieces of yoke iron;
the magnetic circuit structure also comprises one or two magnetic conductive iron sheets, wherein one or two magnetic conductive iron sheets are inserted into the gap between the magnetic steel on one side or two sides of the magnetic steel and the yoke iron, so that the magnetic steel is positioned at the offset position or the middle position of the gap between the two yoke irons; two surfaces of the inserted magnetic conducting iron sheet are respectively connected with one surface of the magnetic steel and one surface of the corresponding yoke.
The yoke iron is U-shaped; the two U-shaped yokes are arranged in parallel; one end of the armature iron is rotatably arranged between the heads of one ends of the two pieces of yoke iron through the magnetic separation sheet, and the other end of the armature iron is arranged between the heads of the other ends of the two pieces of yoke iron in a swinging way.
The magnetic conducting iron sheet is inserted into a gap between the magnetic steel and the yoke iron on one side of the magnetic steel, so that the magnetic steel is positioned at the offset position of the gap between the two yoke irons; one surface of the magnetic conductive iron sheet is connected with one surface of one yoke iron, the other surface of the magnetic conductive iron sheet is connected with one surface of the magnetic steel, and the other surface of the magnetic steel is connected with one surface of the other yoke iron.
The length dimension of the magnetic conducting iron sheet is larger than or equal to that of the magnetic steel.
The magnetic conducting iron sheet is inserted into a gap between the magnetic steel and the yoke iron on one side of the magnetic steel, so that the magnetic steel is positioned at the offset position of the gap between the two yoke irons; one side of the magnetic conductive iron sheet is provided with a plurality of convex bracts, the convex bracts of the magnetic conductive iron sheet are connected with one side of one yoke, the other side of the magnetic conductive iron sheet is connected with one side of the magnetic steel, and the other side of the magnetic steel is connected with one side of the other yoke.
The length of the magnetic conductive iron sheet containing the convex bracts is larger than or equal to that of the magnetic steel.
The magnetic steel is positioned in the middle of the gap between the two yokes; one surface of one of the magnetic iron sheets is connected with one surface of one of the yokes, the other surface of the magnetic iron sheet is connected with one surface of the magnetic steel, the other surface of the magnetic steel is connected with one surface of the other magnetic iron sheet, and the other surface of the other magnetic iron sheet is connected with one surface of the other yoke.
The two magnetic iron sheets have the same shape and size; the length dimension of the magnetic conducting iron sheet is larger than or equal to that of the magnetic steel.
According to the magnetic circuit structure of the polarized relay, the magnetic steel is in a thin sheet shape, and the purpose of an asymmetric magnetic circuit structure can be achieved by forming a certain magnetic circuit air gap magnetic leakage in a magnetic steel position offset mode and by utilizing the magnetic conductive iron sheet. The magnetic steel is of a sheet structure, so that the volume of the magnetic steel can be reduced, the cost is reduced, the magnetic resistance of a magnetic circuit is reduced, and the efficiency of exciting the magnetic circuit by the coil is improved. The size of the magnetic conductive iron sheet is longer than that of the magnetic steel, so that certain bias magnetic leakage is formed, and the asymmetry degree of a magnetic circuit is enhanced.
The invention relates to a magnetic circuit structure of a polarized relay, which is a bridge type magnetic circuit formed by two pieces of yoke iron, magnetic steel, a magnetic conductive iron sheet and an armature. The two non-working air gaps of the bridge magnetic circuit are provided with magnetic isolation sheets to form a double-working gap magnetic circuit. The armature is an action part of a magnetic circuit, a rotating shaft of the armature is arranged on the non-working air gap side, and the magnetic steel is not arranged on the armature, so that the armature component is light in weight, and the shock resistance and the vibration resistance can be improved.
The invention has the advantages that the magnetic circuit structure of the polarized relay is formed by the magnetic steel, the yoke iron, the magnetism isolating sheet, the armature iron with the coil sleeved outside and one or two magnetic conductive iron sheets, wherein the yoke iron is two and has a U shape; the two yokes are arranged in parallel; the armature is arranged in a gap between the upper parts of the two pieces of yokes, two ends of the armature are respectively positioned between the U-shaped heads on the corresponding sides of the two pieces of yokes, and a magnetic separation sheet is arranged between one end of the armature and the U-shaped head on the corresponding side of the two pieces of yokes; the magnetic steel and one or two magnetic conductive iron sheets are inserted in the gap between the U-shaped bottoms of the two yokes side by side, and the position of the magnetic steel is adjusted through one or two magnetic conductive iron sheets, so that the magnetic steel is positioned at the offset position or the middle position of the gap between the two yokes, and the conversion from an asymmetric magnetic circuit structure to a symmetric magnetic circuit structure or from the symmetric magnetic circuit structure to the asymmetric magnetic circuit structure is easily realized. The asymmetric mode of the magnetic circuit is realized by combining magnetic steel bias and magnetic circuit air leakage flux, the asymmetric mode has the characteristics of simplicity, convenience and easiness in realization, and the production process can be simplified.
The invention is further explained in detail with the accompanying drawings and the embodiments; however, the magnetic structure of the polarized relay of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic diagram of a magnetic circuit structure of a polarized relay in the prior art;
FIG. 2 is an exploded view of a prior art polarized relay magnetic circuit structure;
FIG. 3 is a schematic structural diagram of the present invention according to one embodiment;
FIG. 4 is an exploded view of the present invention;
FIG. 5 is a schematic view of the structure (flip direction) of the present invention according to one embodiment;
fig. 6 is a schematic view of a polarized relay according to the first embodiment of the present invention;
FIG. 7 is a schematic structural view of the present invention according to a second embodiment;
FIG. 8 is a schematic structural view of the present invention according to a third embodiment;
fig. 9 is a first schematic diagram of the magnetic circuit structure analysis of the present invention;
FIG. 10 is a diagram illustrating a second exemplary magnetic circuit structure according to the present invention;
fig. 11 is a third schematic diagram of the magnetic circuit structure analysis of the present invention.
Detailed Description
In a first embodiment, referring to fig. 3 to 5, a magnetic circuit structure of a polarized relay according to the present invention includes a magnetic steel 1, a yoke, a magnetic shielding sheet 4, and an armature 2 externally sleeved with a coil; the yoke iron comprises two pieces, namely a yoke iron 51 and a yoke iron 52, wherein the yoke iron 51 and the yoke iron 52 are arranged in parallel; one end of the armature 2 is rotatably arranged between one ends of the upper parts of the two pieces of yoke iron, namely the yoke iron 51 and the yoke iron 52 through the magnetic separation sheet 4, and the other end of the armature 2 is arranged between the other ends of the upper parts of the two pieces of yoke iron, namely the yoke iron 51 and the yoke iron 52 in a swinging way; the magnetic steel 1 is in a sheet shape; the magnetic steel 1 is positioned between the lower parts of two yokes, namely a yoke 51 and a yoke 52;
the magnetic circuit structure also comprises a magnetic conducting iron sheet 3, the magnetic conducting iron sheet 3 is inserted in the gap between the magnetic steel 1 and the yoke 51 at one side of the magnetic steel 1, so that the magnetic steel 1 is positioned at the offset position of the gap between the two yokes 51 and the yoke 52, namely, is close to the yoke 52; one surface of the magnetic iron sheet 3 is connected with one surface of one of the yokes 51, the other surface of the magnetic iron sheet 3 is connected with one surface of the magnetic steel 1, and the other surface of the magnetic steel 1 is connected with one surface of the other yoke 52.
Wherein,
the yoke iron 51 and the yoke iron 52 are both U-shaped; two U-shaped yokes, namely the yoke 51 and the yoke 52, are arranged in parallel; one end of the armature 2 is rotatably mounted between one end heads of the two pieces of yokes 51 and 52 through the magnetic shield sheet 4, and the other end of the armature 2 is swingably provided between the other end heads of the two pieces of yokes 51 and 52.
The length dimension of the magnetic conducting iron sheet 3 is larger than that of the magnetic steel 1.
The magnetic circuit structure of the polarized relay is an asymmetric magnetic circuit structure and is suitable for an asymmetric contact structure form. The magnetic steel 1 is arranged at one side close to the yoke 52, and the air gap between the magnetic steel 1 and the yoke 51 is provided with the magnetic conductive iron sheet 3. The length of the magnetic conducting iron sheet 3 is longer than that of the magnetic steel 1, and a certain air gap still exists between the magnetic conducting iron sheet and the yoke iron 52 to generate magnetic leakage. Due to the influence of magnetic flux leakage of the magnetic circuit, when the head of the armature 2 is attached to the pole surface of the yoke 51, the magnetic steel attraction force applied to the armature 2 is smaller than the attraction force generated by the armature on the yoke 52, so that the aim of asymmetry of the magnetic circuit is fulfilled.
According to the magnetic circuit structure of the polarized relay, the magnetic steel 1 is in a thin sheet shape, and the purpose of an asymmetric magnetic circuit structure can be achieved by forming a certain magnetic circuit air gap magnetic leakage in a magnetic steel 1 position offset mode and by utilizing the magnetic conductive iron sheet 3. The magnetic steel 1 is of a sheet structure, so that the size of the magnetic steel can be reduced, the cost is reduced, the magnetic resistance of a magnetic circuit is reduced, and the efficiency of exciting the magnetic circuit by the coil is improved. The size of the magnetic conducting iron sheet 3 is longer than that of the magnetic steel 1, so that certain bias magnetic leakage is formed, and the asymmetry degree of a magnetic circuit is enhanced.
The invention discloses a magnetic circuit structure of a polarized relay, which is a bridge type magnetic circuit formed by two pieces of yoke iron, namely a yoke iron 51, a yoke iron 52, magnetic steel 1, a magnetic conductive iron sheet 3 and an armature iron 2. The two non-working air gaps of the bridge magnetic circuit are provided with magnetic isolation sheets 4 to form a double-working gap magnetic circuit. The armature 2 is the action part of the magnetic circuit, the rotating shaft is at the non-working air gap side, because the magnetic steel 1 is not on the armature 2, the mass of the armature part is lighter, and the shock resistance and vibration resistance can be improved.
Referring to fig. 6, the polarized relay of the present invention includes a base assembly, a coil assembly and a housing 33. The magnetic steel 1, the yoke iron 51, the yoke iron 52 and the magnetic conductive sheet 3 are all installed on the base part 30, the magnetism isolating sheet 4, the armature iron 2, the pushing card 34 and the coil rack 32 form a coil part 35, the coil part is fixed on the base part, and the coil part and the electric contact part are isolated through the frame 31. The relay is operated and reset by applying excitation of opposite polarities to the coil lead pins 351 and 352.
In the second embodiment, referring to fig. 7, the magnetic circuit structure of a polarized relay according to the present invention is different from the first embodiment in that a plurality of protrusions 301 are disposed on one surface of the magnetic conductive iron sheet 3, the protrusions 301 of the magnetic conductive iron sheet are connected to one surface of one yoke 51, the other surface of the magnetic conductive iron sheet 3 is connected to one surface of the magnetic steel 1, and the other surface of the magnetic steel 1 is connected to one surface of the other yoke 52.
This embodiment is another kind of more obvious magnetic circuit structure of asymmetric effect, and magnet steel 1 is close to opposite side yoke promptly yoke 52, and one side yoke promptly yoke 51 remains certain air gap with magnetic conduction iron sheet 3, for guaranteeing that magnet steel 1 is inseparable with yoke 52 laminating, can punch two little bracts 301 on magnetic conduction iron sheet.
Third embodiment, referring to fig. 8, a magnetic circuit structure of a polarized relay according to the present invention is different from the first embodiment in that the two magnetic conductive iron sheets 3 are two, the thicknesses of the two magnetic conductive iron sheets 3 are the same, and the two magnetic conductive iron sheets 3 are respectively inserted into a gap between the magnetic steel 1 and the yoke on both sides of the magnetic steel 1, so that the magnetic steel 1 is located at the middle position of the gap between the two yokes, i.e., the yoke 51 and the yoke 52; one surface of one of the magnetic iron sheets 3 is connected with one surface of one of the yokes 51, the other surface of the magnetic iron sheet 3 is connected with one surface of the magnetic steel 1, the other surface of the magnetic steel 1 is connected with one surface of the other magnetic iron sheet 3, and the other surface of the other magnetic iron sheet 3 is connected with one surface of the other yoke 52.
The two magnetic iron sheets 3 have the same shape and size; the length dimension of the magnetic conducting iron sheet 3 is larger than that of the magnetic steel.
The magnetic steel 1 is located in the middle of the two yokes, namely the yoke 51 and the yoke 52, the magnetic conducting iron sheets 3 are two iron sheets with equal thickness, and the whole magnetic circuit is of a symmetrical structure and is suitable for a symmetrical contact structure.
The magnetic steel 1 adopted by the invention is of a sheet structure, so that the volume of the magnetic steel can be reduced, the cost is reduced, the magnetic resistance of the magnetic steel 1 is reduced, and the efficiency of a coil excitation magnetic circuit is improved. In addition, the magnetic steel is thin, so that the space between the two yokes is relatively large, and the magnetic flux leakage generated by the air gap is favorably utilized to realize the symmetrical and biased states of the magnetic circuit.
The invention biases the magnetic circuit by the position offset of the magnetic steel 1 between the two yokes (namely the yoke 51 and the yoke 52), and simultaneously adopts the magnetic conductive iron sheet 3 to enhance the magnetic circuit biasing effect, and changes the biasing degree by the length of the magnetic conductive iron sheet 3. As shown in fig. 9, the length of the magnetic conductive sheet 3 is the same as that of the magnetic steel 1, the magnetic leakage generated by the magnetic steel 1 is relatively less, the magnetic circuit bias is mainly realized by the bias of the magnetic steel position, and the bias effect is poor. After the length of the magnetic conductive sheet 3 is lengthened, magnetic lines of force of the magnetic circuit are distributed as shown in fig. 10, at this time, because the magnetic steel 1 is thin, the gap between the magnetic conductive sheet 3 and the yoke 52 is small, a large amount of magnetic leakage is generated at the position, because the magnetic leakage deviates to one side of the yoke 52, the purpose of biasing is achieved, and the biasing effect is better than that of simply biasing through the magnetic steel 1. If the magnetic steel 1 is in the middle position and the magnetic conductive iron sheets 3 are respectively arranged at two sides of the magnetic steel 1, the magnetic circuits are in a symmetrical state no matter the magnetic conductive iron sheets 3 are longer than or equal to the magnetic steel, as shown in fig. 11.
The above embodiments are only used to further illustrate the magnetic circuit structure of a polarized relay of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within the protection scope of the technical solution of the present invention.
Claims (6)
1. A magnetic circuit structure of a polarized relay comprises magnetic steel, a yoke, a magnetic separation sheet and an armature iron, wherein a coil is sleeved outside the armature iron; the yoke iron is divided into two pieces which are arranged in parallel; one end of the armature is rotatably arranged between one ends of the upper parts of the two pieces of yokes through the magnetic separation sheet, and the other end of the armature is arranged between the other ends of the upper parts of the two pieces of yokes in a swinging manner; the method is characterized in that: the magnetic steel is in a sheet shape; the magnetic steel is positioned between the lower parts of the two pieces of yoke iron;
the magnetic circuit structure also comprises one or two magnetic conductive iron sheets, wherein one or two magnetic conductive iron sheets are inserted into a gap between the magnetic steel on one side or two sides of the magnetic steel and the yoke iron, so that the magnetic steel is positioned at the offset position or the middle position of the gap between the two yoke irons, a certain magnetic circuit air gap magnetic leakage is formed by the magnetic steel in a position offset mode and the magnetic conductive iron sheets to realize an asymmetric magnetic circuit structure, and the length size of the magnetic conductive iron sheets is larger than or equal to that of the magnetic steel; two surfaces of the inserted magnetic conducting iron sheet are respectively connected with one surface of the magnetic steel and one surface of the corresponding yoke.
2. A magnetic circuit structure of a polarized relay according to claim 1, characterized in that: the yoke iron is U-shaped; the two U-shaped yokes are arranged in parallel; one end of the armature iron is rotatably arranged between the heads of one ends of the two pieces of yoke iron through the magnetic separation sheet, and the other end of the armature iron is arranged between the heads of the other ends of the two pieces of yoke iron in a swinging way.
3. A magnetic circuit structure of a polarized relay according to claim 1 or 2, characterized in that: the magnetic conducting iron sheet is inserted into a gap between the magnetic steel and the yoke iron on one side of the magnetic steel, so that the magnetic steel is positioned at the offset position of the gap between the two yoke irons; one surface of the magnetic conductive iron sheet is connected with one surface of one yoke iron, the other surface of the magnetic conductive iron sheet is connected with one surface of the magnetic steel, and the other surface of the magnetic steel is connected with one surface of the other yoke iron.
4. A magnetic circuit structure of a polarized relay according to claim 1 or 2, characterized in that: the magnetic conducting iron sheet is inserted into a gap between the magnetic steel and the yoke iron on one side of the magnetic steel, so that the magnetic steel is positioned at the offset position of the gap between the two yoke irons; one side of the magnetic conductive iron sheet is provided with a plurality of convex bracts, the convex bracts of the magnetic conductive iron sheet are connected with one side of one yoke, the other side of the magnetic conductive iron sheet is connected with one side of the magnetic steel, and the other side of the magnetic steel is connected with one side of the other yoke.
5. A magnetic circuit structure of a polarized relay according to claim 1 or 2, characterized in that: the magnetic steel is positioned in the middle of the gap between the two yokes; one surface of one of the magnetic iron sheets is connected with one surface of one of the yokes, the other surface of the magnetic iron sheet is connected with one surface of the magnetic steel, the other surface of the magnetic steel is connected with one surface of the other magnetic iron sheet, and the other surface of the other magnetic iron sheet is connected with one surface of the other yoke.
6. A magnetic circuit structure of a polarized relay according to claim 5, characterized in that: the two magnetic iron sheets have the same shape and size.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131491.XA CN102208305B (en) | 2011-05-19 | 2011-05-19 | Magnetic circuit structure of polarized relay |
| DE112012002161.4T DE112012002161B4 (en) | 2011-05-19 | 2012-05-16 | Magnet system of a polarized relay |
| PCT/CN2012/075546 WO2012155829A1 (en) | 2011-05-19 | 2012-05-16 | Magnetic circuit structure of polarized relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110131491.XA CN102208305B (en) | 2011-05-19 | 2011-05-19 | Magnetic circuit structure of polarized relay |
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| CN102208305A CN102208305A (en) | 2011-10-05 |
| CN102208305B true CN102208305B (en) | 2014-02-19 |
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| CN201110131491.XA Active CN102208305B (en) | 2011-05-19 | 2011-05-19 | Magnetic circuit structure of polarized relay |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012155829A1 (en) * | 2011-05-19 | 2012-11-22 | 厦门宏发电声股份有限公司 | Magnetic circuit structure of polarized relay |
| CN105448602A (en) * | 2016-01-12 | 2016-03-30 | 宁波天波港联电子有限公司 | Magnetic latching relay |
| CN105513901A (en) * | 2016-01-12 | 2016-04-20 | 宁波天波港联电子有限公司 | Magnetic latching relay |
| CN106908636B (en) * | 2017-01-23 | 2019-10-15 | 宁波中车时代传感技术有限公司 | A kind of magnetic structure |
| CN107706052B (en) * | 2017-10-23 | 2021-03-30 | 三友联众集团股份有限公司 | Iron core oscillating relay |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713638A (en) * | 1985-10-25 | 1987-12-15 | Nec Corporation | Polarized electromagnetic relay |
| JPH0287435A (en) * | 1988-09-22 | 1990-03-28 | Fujitsu Ltd | Polar electromagnetic relay |
| CN100424801C (en) * | 2005-06-09 | 2008-10-08 | 厦门宏发电声有限公司 | Polarized relay with high sensitivity |
| CN201435348Y (en) * | 2009-04-26 | 2010-03-31 | 宁波赛特勒电子有限公司 | Relay with positioning protrusion bracts moving to casing edge |
| CN202094053U (en) * | 2011-05-19 | 2011-12-28 | 厦门宏发电声股份有限公司 | Magnetic structure of electropolarized relay |
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