CN102723240A - Small high-power relay - Google Patents
Small high-power relay Download PDFInfo
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- CN102723240A CN102723240A CN2012102196347A CN201210219634A CN102723240A CN 102723240 A CN102723240 A CN 102723240A CN 2012102196347 A CN2012102196347 A CN 2012102196347A CN 201210219634 A CN201210219634 A CN 201210219634A CN 102723240 A CN102723240 A CN 102723240A
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- armature
- yoke
- contact spring
- movable contact
- projection
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Abstract
The invention provides a small high-power relay. The small high-power relay comprises a base, a yoke, an armature, a movable contact spring and a framework on which a coil is wound, wherein one end of the movable contact spring is fixed with the yoke; the middle of the movable contact spring is fixed with the armature; the other end of the movable contact spring is provided with a movable contact; a first limiting bulge is arranged on a position, which is close to the yoke, on the outer side of the armature; and one end, which is close to the armature, of the yoke is provided with a first stopper for blocking the first limiting bulge. By adoption of the structure, the small high-power relay has high reliability.
Description
Technical field:
The present invention relates to the relay field, relate in particular to a kind of small high-power relay.
Background technology:
Relay is a kind of switching device with Current Control, is applied in the automatic control circuit usually, and it is actually a kind of a kind of " automatic switch " with the big electric current of small electric diffluence control is requisite device in the automatic control circuit.(the small-sized size that generally is meant longest edge is greater than 10mm for small high-power relay; And relay less than 25mm; The high-power relay of rated current more than 10A that be meant) because its volume is little, high-power advantage is widely used in household electrical appliance, communication equipment and the automobile circuit or the like.
Existing small high-power relay comprises shell, pedestal, two static contact spring pieces, movable contact spring, armature, yokes and twining the skeleton of coil, and skeleton and yoke are installed on the pedestal, and an end and the yoke of movable contact spring are fixed; The middle part and the armature of movable contact spring are fixed; The other end of movable contact spring is provided with moving contact, and said first static contact spring piece is provided with first fixed contact, and second static contact spring piece is provided with second fixed contact; The moving contact and first fixed contact or second fixed contact are fitted; During assembling, said jacket and is connected with pedestal around coil.Owing to have no the stopping means of restriction armature or movable contact spring position in this relay; Therefore; In the process of movable contact spring action, be easy to swing, make that contacting of fixed contact and moving contact is incomplete, thereby cause loose contact; Cause the electric conductivity of contact to descend, therefore the reliability of existing this small high-power relay is lower.
Summary of the invention:
The technical problem that the present invention solves is, overcomes existing technological deficiency, provides a kind of reliability high small high-power relay.
Technical scheme provided by the invention is: the present invention provides a kind of small high-power relay; It comprises pedestal, yoke, armature, movable contact spring and is twining the skeleton of coil; One end and the yoke of movable contact spring are fixed, and the middle part and the armature of movable contact spring are fixed, and the other end of movable contact spring is provided with moving contact; Position near yoke on the outer side edges of said armature also is provided with first spacing preiection, and the end near armature of said yoke also is provided with first block that is used to stop first spacing preiection.
Position near yoke on the inner side edge of said armature also is provided with second spacing preiection; End near armature of said yoke is provided with second block that is used to stop second spacing preiection; Said first block, second block and yoke constitute groove shapes, and an end of said armature is placed in this groove.Adopt this structure both can prevent the side oscillation outwardly of movable contact spring and armature, can prevent that again movable contact spring and armature from inwards swinging, the position that makes moving contact on the movable contact spring all the time with static contact spring piece on the position of fixed contact relative, reliability is higher.
Said first block, second block and yoke are one-body molded.Adopt this structure, easy to process, mechanical strength is high.
Among the present invention, small high-power relay position near yoke on the outer side edges of armature is provided with first spacing preiection, if when armature is swung outwardly; This first spacing preiection can be propped up by first block of yoke near an end of armature; Prevent that armature from outwards swinging, can in case the stop reed outwards swing, thereby make be located at the movable contact spring other end moving contact all the time with static contact spring piece on the position of fixed contact relative; Prevent that the electric conductivity that loose contact causes from descending, reliability is high.
As improvement, the madial wall of said shell is provided with at least one and is used for the step-like convexity that the outer side edges with armature offsets.Step-like convexity is set on the inner side edge of shell, is used for propping up armature during assembling, prevent the armature swing, thereby make the moving contact on the movable contact spring relative with the position of fixed contact all the time, prevent that the electric conductivity that loose contact causes from descending, reliability is high.
As further improvement; Said each step-like convexity comprises rectangle first projection and one second projection that is pasting the shell inner bottom part; First projection and second projection constitute step-like convexity; The height of aspect ratio second projection of said first projection is high, and the side of said first projection and the outer side edges of armature offset, and leave the space between the top margin of said second projection and the movable contact spring.Adopt this structure, the side of first projection and the outer side edges of armature offset, and prevent that armature from swinging laterally, leave the space between the top margin of second projection and the movable contact spring, prevent step-like convexity, have influence on swinging up and down of movable contact spring.
Description of drawings:
Accompanying drawing 1 is the structural representation of small high-power relay of the present invention (after removing shell);
Accompanying drawing 2 is the schematic side view of small high-power relay of the present invention (after removing shell);
Accompanying drawing 3 is the schematic top plan view of small high-power relay of the present invention (after removing shell);
Accompanying drawing 4 is the structural representation of the shell of small high-power relay of the present invention;
Accompanying drawing 5 is the elevational schematic view of small high-power relay of the present invention;
Accompanying drawing 6 is that B-B among Fig. 3 is to cutaway view;
As shown in the figure: 1, pedestal, 2, yoke, 2.1, first block, 2.2, second block, 3, armature; 3.1, first spacing preiection, 3.2, second spacing preiection, 4, movable contact spring, 4.1, moving contact; 5, coil, 6, skeleton, 7, static contact spring piece, 7.1, fixed contact; 8, shell, 9, step-like convexity, 9.1, first projection, 9.2, second projection.
Embodiment:
Below in conjunction with accompanying drawing and specific embodiment the present invention is elaborated:
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6: the present invention provides a kind of small high-power relay, and it comprises pedestal 1, yoke 2, armature 3, movable contact spring 4 and twining the skeleton 6 of coil 5 that an end of movable contact spring 4 and yoke 2 are fixing; The middle part of movable contact spring 4 and armature 3 are fixing, and the other end of movable contact spring 4 is provided with moving contact 4.1, is equipped with fixed contact 7 in the above and below of moving contact 4.1; Armature 3 drives movable contact spring 4 and can swing up and down with respect to yoke 2, and after coil 5 energisings, coil 5 attracts armature 3; Armature 3 drives movable contact spring 4 to lower swing; Contact with the fixed contact 7 of below thereby drive moving contact 4.1, behind the coil blackout, because the elasticity of movable contact spring 4; Movable contact spring 4 upwards resets, and moving contact 4.1 contacts with the fixed contact 7 of top.Position near yoke 2 on the outer side edges of said armature 3 also is provided with first spacing preiection 3.1, and the end near armature of said yoke 2 also is provided with first block 2.1 that is used to stop first spacing preiection 3.1, the i.e. upper end of yoke 2 among Fig. 2.
Operation principle of the present invention is: when swinging outwardly as if armature; This first spacing preiection can be propped up by first block of yoke near an end of armature; Prevent that armature from outwards swinging; Can be in case the stop reed be outwards swung, the mount pad that generally is provided with the static contact spring piece 7 of fixed contact 7.1 can play and block the inwardly effects of swing of moving contact 4.1, thereby make be located at the movable contact spring other end moving contact all the time with static contact spring piece on the position of fixed contact relative.
Position near yoke 2 on the inner side edge of said armature 3 also is provided with second spacing preiection 3.2; End near armature of said yoke 2 is provided with second block 2.2 that is used to stop second spacing preiection 3.2; Said first block 2.1, second block 2.2 and yoke 2 constitute groove shapes, and an end of said armature 3 is placed in this groove.Adopt this structure both can prevent the side oscillation outwardly of movable contact spring and armature, can prevent that again movable contact spring and armature from inwards swinging, the position that makes moving contact on the movable contact spring all the time with static contact spring piece on the position of fixed contact relative, reliability is higher.
Said first block 2.1, second block 2.2 and yoke 2 are one-body molded.Adopt this structure, easy to process, mechanical strength is high.
As improvement, the madial wall of said shell 8 be provided with that at least one is used for that outer side edges with armature 3 offsets step-like protruding 9.Step-like convexity is set on the inner side edge of shell, is used for propping up armature during assembling, prevent the armature swing, thereby make the moving contact on the movable contact spring relative with the position of fixed contact all the time, prevent that the electric conductivity that loose contact causes from descending, reliability is high.
Said each step-like protruding 9 comprise rectangle first projection 9.1 and one second projection 9.2 that is pasting shell 8 inner bottom parts; First projection 9.1 and second projection 9.2 constitute step-like convexity; The height of aspect ratio second projection 9.2 of said first projection 9.1 is high; The outer side edges of the side of said first projection 9.1 and armature 3 offsets, and leaves the space between the top margin of said second projection 9.2 and the movable contact spring 4.Adopt this structure, the side of first projection and the outer side edges of armature offset, and prevent that armature from swinging laterally, leave the space between the top margin of second projection and the movable contact spring, prevent step-like convexity, have influence on swinging up and down of movable contact spring.
Claims (5)
1. small high-power relay; It comprises pedestal (1), yoke (2), armature (3), movable contact spring (4) and is twining the skeleton (6) of coil (5); One end of movable contact spring (4) and yoke (2) are fixing; The middle part of movable contact spring (4) and armature (3) are fixing; The other end of movable contact spring (4) is provided with moving contact (4.1), it is characterized in that: the position near yoke (2) on the outer side edges of said armature (3) also is provided with first spacing preiection (3.1), and the end near armature of said yoke (2) also is provided with first block (2.1) that is used to stop first spacing preiection (3.1).
2. small high-power relay according to claim 1; It is characterized in that: the position near yoke (2) on the inner side edge of said armature (3) also is provided with second spacing preiection (3.2), and the end near armature of said yoke (2) is provided with second block (2.2) that is used to stop second spacing preiection (3.2).
3. small high-power relay according to claim 1 is characterized in that: said first block (2.1), second block (2.2) and yoke (2) are one-body molded.
4. small high-power relay according to claim 1 is characterized in that: the madial wall of said shell (8) is provided with at least one and is used for the step-like convexity (9) that the outer side edges with armature (3) offsets.
5. small high-power relay according to claim 4; It is characterized in that: said each step-like convexity (9) comprises rectangle first projection (9.1) and one second projection (9.2) that is pasting shell (8) inner bottom part; First projection (9.1) and second projection (9.2) constitute step-like convexity; The height of aspect ratio second projection (9.2) of said first projection (9.1) is high; The outer side edges of the side of said first projection (9.1) and armature (3) offsets, and leaves the space between the top margin of said second projection (9.2) and the movable contact spring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219634.7A CN102723240B (en) | 2012-06-27 | 2012-06-27 | Small high-power relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210219634.7A CN102723240B (en) | 2012-06-27 | 2012-06-27 | Small high-power relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102723240A true CN102723240A (en) | 2012-10-10 |
| CN102723240B CN102723240B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210219634.7A Active CN102723240B (en) | 2012-06-27 | 2012-06-27 | Small high-power relay |
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| Country | Link |
|---|---|
| CN (1) | CN102723240B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591288A (en) * | 2017-09-22 | 2018-01-16 | 宁波世通电子科技有限公司 | A kind of relay applied under high current environment |
| CN110265267A (en) * | 2019-06-25 | 2019-09-20 | 宁波天波港联电子有限公司 | Armature can stablize the relay of reset |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060066424A1 (en) * | 2004-09-29 | 2006-03-30 | Hella Kgaa Hueck & Co. | Electromagnetic relay |
| CN201562638U (en) * | 2009-11-27 | 2010-08-25 | 宁波天波纬业电器有限公司 | Normally-opened relay |
| CN201608119U (en) * | 2009-12-31 | 2010-10-13 | 宁波天波纬业电器有限公司 | Subminiature relay |
| CN201667321U (en) * | 2010-04-12 | 2010-12-08 | 宁波天波港联电子有限公司 | Relay |
| CN202712077U (en) * | 2012-06-27 | 2013-01-30 | 宁波天波纬业电器有限公司 | Mini-sized large power relay |
-
2012
- 2012-06-27 CN CN201210219634.7A patent/CN102723240B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060066424A1 (en) * | 2004-09-29 | 2006-03-30 | Hella Kgaa Hueck & Co. | Electromagnetic relay |
| CN201562638U (en) * | 2009-11-27 | 2010-08-25 | 宁波天波纬业电器有限公司 | Normally-opened relay |
| CN201608119U (en) * | 2009-12-31 | 2010-10-13 | 宁波天波纬业电器有限公司 | Subminiature relay |
| CN201667321U (en) * | 2010-04-12 | 2010-12-08 | 宁波天波港联电子有限公司 | Relay |
| CN202712077U (en) * | 2012-06-27 | 2013-01-30 | 宁波天波纬业电器有限公司 | Mini-sized large power relay |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107591288A (en) * | 2017-09-22 | 2018-01-16 | 宁波世通电子科技有限公司 | A kind of relay applied under high current environment |
| CN110265267A (en) * | 2019-06-25 | 2019-09-20 | 宁波天波港联电子有限公司 | Armature can stablize the relay of reset |
| CN110265267B (en) * | 2019-06-25 | 2024-03-12 | 宁波天波港联电子有限公司 | Relay with armature capable of stable reset |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102723240B (en) | 2015-07-08 |
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Effective date of registration: 20200401 Address after: 315131 Zhejiang Wang Town Industrial Zone Ningbo city Yinzhou District Province Patentee after: NINGBO TIANBO GANGLIAN ELECTRONICS Co.,Ltd. Address before: Ning Heng Nan Lu Hengxi town Yinzhou District city of Ningbo province Zhejiang 315131 Industrial Zone No. 2084 Patentee before: NINGBO TIANBO WEIYE ELECTRIC APPLIAINCES Co.,Ltd. |