CN204885036U - Electromagnetism magnetic circuit and electromagnetic relay thereof - Google Patents
Electromagnetism magnetic circuit and electromagnetic relay thereof Download PDFInfo
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- CN204885036U CN204885036U CN201520512158.7U CN201520512158U CN204885036U CN 204885036 U CN204885036 U CN 204885036U CN 201520512158 U CN201520512158 U CN 201520512158U CN 204885036 U CN204885036 U CN 204885036U
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- yoke
- hole
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- bobbin
- circuit system
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Abstract
The utility model discloses an electromagnetism magnetic circuit and electromagnetic relay thereof, this electromagnetism magnetic circuit includes yoke, armature and coil, the coil comprises coil former and enameled wire, the coil former is equipped with and is used for packing into the iron core through -hole, the yoke comprises L shape yoke and U -shaped yoke, one side of L shape yoke and a side of U -shaped yoke respectively by the both ends of the through -hole of coil former paste mutually in to the through -hole that injects the coil former by and constitute the iron core of the coil former through -hole of packing into, the end of another side of U -shaped yoke is along the conduct edge of a knife in order to support the one end of armature, the another side of L shape yoke is as the pole -face to in the actuation of coil during operation the other end of armature. The utility model discloses an improvement to the yoke structure for magnetic circuit has high magnetic conduction efficiency, can effectively reduce the quantity of enameled wire, and reduce the characteristics of product volume, and have the good characteristics of assembly process nature.
Description
Technical field
The utility model relates to electromagnetic circuit and relay thereof, particularly relates 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.
Utility model content
The purpose of this utility model is 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 utility model solves the technical scheme that its technical problem adopts: 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 beneficial effects of the utility model are:
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 utility model is described in further detail; But a kind of electromagnetic circuit system of the present utility model 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 utility model;
Fig. 2 is the structural representation of embodiment two electromagnetic circuit system of the present utility model.
Embodiment
Embodiment one
Shown in Figure 1, a kind of electromagnetic circuit system of the present utility model, 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 utility model is vertical placement, for vertical electric magnetic relay.
A kind of electromagnetic relay of the present utility model, comprises the electromagnetic circuit system of described vertical placement.
Embodiment two
Shown in Figure 2, a kind of electromagnetic circuit system of the present utility model, 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 utility model, 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 utility model and electromagnetic relay thereof; but the utility model is not limited to embodiment; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in the protection range of technical solutions of the utility model.
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 |
|---|---|---|---|
| CN201520512158.7U CN204885036U (en) | 2015-07-15 | 2015-07-15 | Electromagnetism magnetic circuit and electromagnetic relay thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512158.7U CN204885036U (en) | 2015-07-15 | 2015-07-15 | Electromagnetism magnetic circuit and electromagnetic relay thereof |
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| Publication Number | Publication Date |
|---|---|
| CN204885036U true CN204885036U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520512158.7U Expired - Fee Related CN204885036U (en) | 2015-07-15 | 2015-07-15 | Electromagnetism magnetic circuit and electromagnetic relay thereof |
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| CN (1) | CN204885036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097360A (en) * | 2015-07-15 | 2015-11-25 | 厦门宏发电声股份有限公司 | Electromagnetic circuit system and electromagnetic relay |
-
2015
- 2015-07-15 CN CN201520512158.7U patent/CN204885036U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097360A (en) * | 2015-07-15 | 2015-11-25 | 厦门宏发电声股份有限公司 | Electromagnetic circuit system and electromagnetic relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180715 |