CN105097360A - Electromagnetic circuit system and electromagnetic relay - Google Patents
Electromagnetic circuit system and electromagnetic relay Download PDFInfo
- Publication number
- CN105097360A CN105097360A CN201510415266.7A CN201510415266A CN105097360A CN 105097360 A CN105097360 A CN 105097360A CN 201510415266 A CN201510415266 A CN 201510415266A CN 105097360 A CN105097360 A CN 105097360A
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- yoke
- hole
- shape
- bobbin
- circuit system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses an electromagnetic circuit system and an electromagnetic relay. The electromagnetic circuit system comprises a yoke iron, an armature and a coil, wherein the coil is composed of a coil rack and an enameled wire, the coil rack is provided with a through hole for installing an iron core, the yoke iron comprises an L-shaped yoke iron and a U-shaped yoke iron, one edge of the L-shaped yoke iron and one side edge of the U-shaped yoke iron are respectively and oppositely inserted into the through hole of the coil rack from the two ends of the through hole of the coil rack to prop against each other so as to form the iron core installed in the through hole of the coil rack, an end edge at other side edge of the U-shaped yoke iron serves as a knife edge for supporting one end of the armature, and the other edge of the L-shaped yoke iron serves as a pole surface for attracting the other end of the armature during working of the coil. By improving the yoke iron structure, the magnetic circuit system has the characteristics of high magnetic conductivity and excellent assembly process, the usage of the enameled wire can be effectively reduced, and product volume is reduced.
Description
Technical field
The present invention relates to electromagnetic circuit and relay thereof, particularly relate to a kind of for direct current monostable, interchange monostable and bistable electromagnetic circuit system and the electromagnetic relay with this magnetic structure thereof.
Background technology
Relay is the automatic switch element with isolation features, and being widely used in the field such as communication, automobile, automatically control, household electrical appliance, is one of most important control element.
Relay have monostable, bistable state, interchange, direct current point, the relay of different applications to difference in functionality has different requirement.Bistable relay can meet when not extra power consumption, makes relay remain on state that is closed or that disconnect; AC relay can satisfy the demand alternating current input application requirement.Along with the fast development of household, Industry Control etc., relay use amount is increasing, and cost has become a very important competitiveness; Magnetic circuit system is as the core component of relay, and its material cost accounting is very large, the enamelled wire especially used in magnetic circuit system; If enamelled wire large usage quantity, while increase cost, the volume of product also can be made to increase.
The magnetic structure of prior art, on the one hand, because of the restriction by product design size, cause magnetic circuit easily to produce magnetic saturation after coil magnetization, the magnetic flux causing coil to produce cannot be utilized effectively, and the magnetic conduction efficiency of magnetic circuit is lower; On the other hand, the magnetic circuit system of prior art usually adopts iron core and yoke to rivet and fixes, cause the drawback that assembly process process is poor.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, a kind of electromagnetic circuit system and electromagnetic relay thereof are provided, by the improvement to yoke structure, this magnetic circuit system is made to have high magnetic conduction efficiency, effectively can reduce the consumption of enamelled wire, and reduce the feature of small product size, and there is the good feature of assembly process process.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electromagnetic circuit system, comprises yoke, armature and coil; Described coil is made up of bobbin and enamelled wire, and described bobbin is provided with the through hole for loading iron core; Described yoke is made up of L shape yoke and U-shaped yoke, one side of described L shape yoke and a side of U-shaped yoke respectively by the two ends of the through hole of bobbin to reclining mutually in the through hole being inserted into bobbin and forming the iron core loading bobbin through hole, the end of another side of described U-shaped yoke along as the edge of a knife to support one end of described armature, the another side of described L shape yoke as pole-face, with the other end of armature described in the adhesive when coil working.
Described L shape yoke and U-shaped yoke are flat structure.
Described L shape yoke while the medial surface be affixed by the medial surface on one side of the L shape yoke for flat structure and a side of the U-shaped yoke of flat structure with a side of U-shaped yoke reclines mutually.
One side of L shape yoke and a side of U-shaped yoke are after the two ends of the through hole by bobbin are to the through hole being inserted into bobbin, the end edge on one side of L shape yoke is against the medial surface on the base of U-shaped yoke, and the end edge of a side of U-shaped yoke is against the medial surface of the another side of L shape yoke.
The through hole of described bobbin is set to the hole shape adapting to the shape of cross section after being affixed the one side of L shape yoke be inserted in the through hole of bobbin and a side of U-shaped yoke.
The through hole of described one side of L shape yoke to being inserted in the through hole of bobbin and a side of U-shaped yoke and bobbin is in coincide or interference matches.
The length dimension on one side of described L shape yoke is greater than the length dimension of the another side of L shape yoke.
The width dimensions on one side of described L shape yoke is less than the width dimensions of the another side of L shape yoke.
A kind of electromagnetic relay, comprises the above electromagnetic circuit system.
The invention has the beneficial effects as follows:
1, owing to have employed the two yoke structures be jointly inserted in the through hole of bobbin, and two yoke is made up of the L shape yoke of flat structure and the U-shaped yoke of flat structure, one side of L shape yoke and a side of U-shaped yoke are reclined in the through hole being inserted into bobbin mutually by the two ends of the through hole of bobbin respectively, this pair of yoke structure, on the one hand, effectively can increase the contact area (plane-plane contact) of two yokes, thus improve the effective area of magnetic conduction, reduce magnetically saturated probability, the magnetic flux produced after ensureing coil magnetization all can flow through magnetic conduction face smoothly, at the magnetic force that pole-shoe face product is larger, like this, when the identical magnetic force of needs, the consumption of enamelled wire can be reduced, thus reduce enamelled wire cost, accordingly, overall dimensions has also just diminished, on the other hand, the medial surface of two yoke structure is to inserting, and manufacturability is better, and assembling and positioning is accurate.
2, L shape yoke and U-shaped yoke are all designed to flat structure, mould punching good manufacturability owing to have employed.
3, reclined mutually in the through hole being inserted into bobbin by the two ends of the through hole of bobbin owing to have employed L shape yoke and U-shaped yoke, and the end on one side of L shape yoke edge is against the medial surface on the base of U-shaped yoke, the end edge of one side of U-shaped yoke is against the medial surface of the another side of L shape yoke, and assembly process process is good.
4, due to one side with U-shaped yoke of have employed L shape yoke a side respectively by the two ends of the through hole of bobbin to reclining mutually in the through hole being inserted into bobbin and forming the iron core loading bobbin through hole, this magnetic circuit system has high magnetic conduction efficiency, effectively can reduce the consumption of enamelled wire, and reduce the feature of small product size.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But a kind of electromagnetic circuit system of the present invention and electromagnetic relay thereof are not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment one electromagnetic circuit system of the present invention;
Fig. 2 is the structural representation of embodiment two electromagnetic circuit system of the present invention.
Embodiment
Embodiment one
Shown in Figure 1, a kind of electromagnetic circuit system of the present invention, comprises yoke, armature 1 and coil; Described coil is made up of bobbin 21 and enamelled wire 22, and described bobbin 21 is provided with for loading iron core through hole 211; Described yoke is made up of the L shape yoke 31 of flat structure and the U-shaped yoke 32 of flat structure, one side 312 of described L shape yoke 31 and a side 322 of U-shaped yoke 32 respectively by the two ends of the through hole 211 of bobbin to reclining mutually in the through hole being inserted into bobbin and forming the iron core loading bobbin through hole, the end of another side 323 of described U-shaped yoke along as the edge of a knife to support one end 11 of described armature 1, the another side 313 of described L shape yoke 31 as pole-face, with the other end 12 of armature 1 described in the adhesive when coil working.
One side 312 of described L shape yoke and a side 322 of U-shaped yoke recline mutually as the medial surface 311 (medial surface refers to the face that the interior angle of the bending of L shape is connected, and the face that exterior angle connects then is called lateral surface) on one side of L shape yoke and the medial surface 321 (medial surface refers to face corresponding in U-shaped mouth) of a side of U-shaped yoke recline mutually.
One side 312 of L shape yoke and a side 322 of U-shaped yoke are after the two ends of the through hole by bobbin are to the through hole 211 being inserted into bobbin, the end edge on one side 312 of L shape yoke is against the medial surface on the base 323 of U-shaped yoke, and the end edge of a side 322 of U-shaped yoke is against the medial surface of the another side 313 of L shape yoke.
The through hole 211 of described bobbin is set to the hole shape adapting to the shape of cross section after being affixed the one side 312 of the L shape yoke be inserted in the through hole of bobbin and a side 322 of U-shaped yoke.
In the present embodiment, the through hole 211 of described bobbin is for adapting to the square opening of side 322 insertion of 312 and U-shaped yoke of L shape yoke.
Described one side 312 of the L shape yoke to being inserted in the through hole of bobbin and a side 322 of U-shaped yoke match in identical or interference with the through hole 211 of bobbin.
The length dimension on one side 312 of described L shape yoke is greater than the length dimension of the another side 313 of L shape yoke.
The width dimensions on one side 312 of described L shape yoke is less than the width dimensions of the another side 313 of L shape yoke.
Electromagnetic circuit system of the present invention is vertical placement, for vertical electric magnetic relay.
A kind of electromagnetic relay of the present invention, comprises the electromagnetic circuit system of described vertical placement.
Embodiment two
Shown in Figure 2, a kind of electromagnetic circuit system of the present invention, is with the difference of embodiment one, electromagnetic circuit system is horizontal placement, for Horizontal electric magnetic relay.
A kind of electromagnetic relay of the present invention, comprises the electromagnetic circuit system of horizontal placement.
Above-described embodiment is only used for further illustrating a kind of electromagnetic circuit system of the present invention and electromagnetic relay thereof; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection range of technical solution of the present invention.
Claims (9)
1. an electromagnetic circuit system, comprises yoke, armature and coil; Described coil is made up of bobbin and enamelled wire, and described bobbin is provided with the through hole for loading iron core; It is characterized in that: described yoke is made up of L shape yoke and U-shaped yoke, one side of described L shape yoke and a side of U-shaped yoke respectively by the two ends of the through hole of bobbin to reclining mutually in the through hole being inserted into bobbin and forming the iron core loading bobbin through hole, the end of another side of described U-shaped yoke along as the edge of a knife to support one end of described armature, the another side of described L shape yoke as pole-face, with the other end of armature described in the adhesive when coil working.
2. electromagnetic circuit system according to claim 1, is characterized in that: described L shape yoke and U-shaped yoke are flat structure.
3. electromagnetic circuit system according to claim 2, is characterized in that: the medial surface be affixed by the medial surface on one side of the L shape yoke for flat structure and a side of the U-shaped yoke of flat structure with a side of U-shaped yoke of described L shape yoke reclines mutually.
4. electromagnetic circuit system according to claim 3, it is characterized in that: L shape yoke and a side of U-shaped yoke after the two ends of the through hole by bobbin are to the through hole being inserted into bobbin, the end edge on one side of L shape yoke is against the medial surface on the base of U-shaped yoke, and the end edge of a side of U-shaped yoke is against the medial surface of the another side of L shape yoke.
5. the electromagnetic circuit system according to claim 1 or 2 or 3, is characterized in that: the through hole of described bobbin be set to adapt to the L shape yoke be inserted in the through hole of bobbin and a side of U-shaped yoke be affixed after the hole shape of shape of cross section.
6. electromagnetic circuit system according to claim 5, is characterized in that: the described L shape yoke to being inserted in the through hole of bobbin and the through hole of a side and bobbin of U-shaped yoke in coincide or interference matches.
7. the electromagnetic circuit system according to claim 1 or 2 or 3 or 4, is characterized in that: described L shape yoke length dimension be greater than the length dimension of the another side of L shape yoke.
8. electromagnetic circuit system according to claim 7, is characterized in that: described L shape yoke width dimensions be less than the width dimensions of the another side of L shape yoke.
9. an electromagnetic relay, is characterized in that: comprise the electromagnetic circuit system as described in claim arbitrary in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415266.7A CN105097360B (en) | 2015-07-15 | 2015-07-15 | A kind of electromagnetic circuit system and its electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415266.7A CN105097360B (en) | 2015-07-15 | 2015-07-15 | A kind of electromagnetic circuit system and its electromagnetic relay |
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| Publication Number | Publication Date |
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| CN105097360A true CN105097360A (en) | 2015-11-25 |
| CN105097360B CN105097360B (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510415266.7A Active CN105097360B (en) | 2015-07-15 | 2015-07-15 | A kind of electromagnetic circuit system and its electromagnetic relay |
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| CN (1) | CN105097360B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068491A (en) * | 2017-01-23 | 2017-08-18 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay of compact magnetic structure |
| CN108766839A (en) * | 2018-08-03 | 2018-11-06 | 浙江凡华电子有限公司 | A kind of electromagnetic relay armature rotational structure |
| CN110504139A (en) * | 2018-05-18 | 2019-11-26 | 泰科电子奥地利有限责任公司 | Such as yoke assembly, magnetic assembly and the magnetic switching device of the magnetic switching device of relay |
| US11373829B2 (en) | 2018-09-30 | 2022-06-28 | Tyco Electronics (Shenzhen) Co. Ltd. | Electromagnetic relay |
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| DE19546763A1 (en) * | 1995-12-14 | 1997-06-19 | Siemens Ag | Electromagnetic relay e.g. for polarity reversal of DC motors |
| JP2003178915A (en) * | 2001-10-05 | 2003-06-27 | Tyco Electronics Austria Gmbh | Magnet system |
| JP2007273472A (en) * | 2006-03-30 | 2007-10-18 | Tyco Electronics Austria Gmbh | Magnet system and bistable relay having it |
| EP1916688A1 (en) * | 2005-08-12 | 2008-04-30 | Omron Corporation | Relay |
| US20080180197A1 (en) * | 2007-01-31 | 2008-07-31 | Fujitsu Component Limited | Polarized electromagnetic relay and coil assembly |
| CN102103943A (en) * | 2009-12-17 | 2011-06-22 | 厦门宏发电声股份有限公司 | Magnetic latching relay with novel magnetic circuit |
| CN202049907U (en) * | 2011-05-11 | 2011-11-23 | 东莞市三友联众电器有限公司 | Relay with compact structure |
| CN202102976U (en) * | 2011-05-11 | 2012-01-04 | 东莞市三友联众电器有限公司 | U-shaped yoke iron |
| CN202405186U (en) * | 2012-01-05 | 2012-08-29 | 宁波瑞欧电子有限公司 | Relay |
| CN204204753U (en) * | 2014-10-28 | 2015-03-11 | 谭毕兴 | The electromagnetic relay that a kind of special magnetic circuit and reed are fixed |
| CN204885036U (en) * | 2015-07-15 | 2015-12-16 | 厦门宏发电声股份有限公司 | Electromagnetism magnetic circuit and electromagnetic relay thereof |
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2015
- 2015-07-15 CN CN201510415266.7A patent/CN105097360B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19546763A1 (en) * | 1995-12-14 | 1997-06-19 | Siemens Ag | Electromagnetic relay e.g. for polarity reversal of DC motors |
| JP2003178915A (en) * | 2001-10-05 | 2003-06-27 | Tyco Electronics Austria Gmbh | Magnet system |
| EP1916688A1 (en) * | 2005-08-12 | 2008-04-30 | Omron Corporation | Relay |
| JP2007273472A (en) * | 2006-03-30 | 2007-10-18 | Tyco Electronics Austria Gmbh | Magnet system and bistable relay having it |
| US20080180197A1 (en) * | 2007-01-31 | 2008-07-31 | Fujitsu Component Limited | Polarized electromagnetic relay and coil assembly |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068491A (en) * | 2017-01-23 | 2017-08-18 | 厦门宏发电力电器有限公司 | A kind of magnetic latching relay of compact magnetic structure |
| CN110504139A (en) * | 2018-05-18 | 2019-11-26 | 泰科电子奥地利有限责任公司 | Such as yoke assembly, magnetic assembly and the magnetic switching device of the magnetic switching device of relay |
| CN108766839A (en) * | 2018-08-03 | 2018-11-06 | 浙江凡华电子有限公司 | A kind of electromagnetic relay armature rotational structure |
| CN108766839B (en) * | 2018-08-03 | 2024-02-02 | 浙江凡华电子有限公司 | Armature rotating structure of electromagnetic relay |
| US11373829B2 (en) | 2018-09-30 | 2022-06-28 | Tyco Electronics (Shenzhen) Co. Ltd. | Electromagnetic relay |
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| Publication number | Publication date |
|---|---|
| CN105097360B (en) | 2018-05-18 |
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