CN201247742Y - Electromagnetic relay - Google Patents

Electromagnetic relay Download PDF

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Publication number
CN201247742Y
CN201247742Y CNU2008201033500U CN200820103350U CN201247742Y CN 201247742 Y CN201247742 Y CN 201247742Y CN U2008201033500 U CNU2008201033500 U CN U2008201033500U CN 200820103350 U CN200820103350 U CN 200820103350U CN 201247742 Y CN201247742 Y CN 201247742Y
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CN
China
Prior art keywords
spring
moving
contact
moving spring
promotion
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Expired - Lifetime
Application number
CNU2008201033500U
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Chinese (zh)
Inventor
王俊青
刘振宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Hongfa Electronics Co., Ltd. signal
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Xiamen Hongfa Electroacoustic Co Ltd
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Priority to CNU2008201033500U priority Critical patent/CN201247742Y/en
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Publication of CN201247742Y publication Critical patent/CN201247742Y/en
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Abstract

The utility model discloses an electromagnetic relay which comprises a magnetic circuit part, a contact part and a push clamp, wherein the magnetic circuit part comprises a coil, a base, a yoke iron and/or an iron core and an armature iron, the contact part comprises a movable spring with a movable contact and a fixed spring with a fixed contact, the movable spring comprises a soft movable spring body, the movable contact is arranged on the upper part of the movable spring body, the movable spring also comprises a push spring which is extended from the movable spring body and is used for matching the action of the push clamp to drive the deformation of the movable spring and a catch spring which is used for limiting the free motion of the push clamp, the push spring is matched with the push point position of the push clamp by a certain gap, the catch spring is electrically supported to the push clamp, and the push spring is arranged near the movable contact. When the structure uses the soft movable spring, the free motion of the armature iron and/or the push clamp is limited by using the catch spring, meanwhile, the release reaction force is supplied, the contact pressure is supplied by the push spring in an action state, and consequently, the performance of the electromagnetic relay can be improved.

Description

A kind of electromagnetic relay
Technical field
The utility model relates to a kind of electromagnetic relay, particularly relates to a kind of electromagnetic relay with moving spring of flexibility of catch spring.
Background technology
Electromagnetic relay is widely used in the automatic control equipment, because the needs of development in science and technology require relay construction compacter, volume is littler, and sensitivity is higher, and functional reliability is higher.In order to improve the sensitivity of electromagnetic relay; usually can adopt soft thin slice to be used as moving spring; make the power of relay coil be minimized; after but the flexibility of moving spring improves; caused the ability of relay shock resistance, vibration to reduce greatly; also can reduce simultaneously the pressure between the contact contact, also can make the release voltage of relay less than normal.Has the electromagnetic relay of push card for some, when relay is in release condition, the promotion point of push card and move spring be subjected to a little between all can have certain clearance, the moving contact and the normally-closed contact of moving spring can contact when discharging with assurance, but this gap also makes push card have free activity space, when in the relay environment for use, vibration being arranged, be easy to have influence on moving spring and make normally-closed contact disconnect; For the electromagnetic relay of no push card, the working face between armature and moving spring also needs certain clearance, also makes the shock resistance of product, vibration ability reduce.Fig. 1 is the structural representation of a kind of electromagnetic relay of prior art, this electromagnetic relay comprise drive contact 61 ' moving spring 6 ', respectively with fixed contact 51 ', 71 ' quiet spring 5 ', 7 ', push card 8 ' and by iron core 1 ', yoke 4 ', coil 2 ', the magnetic circuit part of base 9 ' and armature 3 ' form, when relay is in off-position (position as shown in Figure 1), push card 8 ' promotion point 81 ' and moving spring 6 ' be subjected to a little 63 ' have a gap; When relay is worked, armature 3 ' promotion push card 8 ', promote moving spring 6 ' motion again, make normally-closed contact 51 ' disconnection and/or normally opened contact 71 ' closure, like this because of push card 8 without limits ' motion, in release condition, when the moving spring 6 of push card 8 ' can run into when slight jitter is arranged ', thereby cause moving contact 61 ' and fixed contact 51 ' loose contact.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of electromagnetic relay that has catch spring and promote the moving spring of flexibility of spring is provided, when using flexible moving spring, utilize the free movable of catch spring restriction armature and/or push card, the release counter-force is provided simultaneously, when operate condition, provide contact force, thereby the performance of electromagnetic relay is improved by promoting spring.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electromagnetic relay comprises the magnetic circuit part, contact portion, the push card that are in corresponding matching; Magnetic circuit partly includes coil, base, yoke and/or iron core, armature; Contact portion comprises the moving spring that has moving contact, the quiet spring that has fixed contact; Should comprise the moving spring body that can soften by moving spring, moving contact is located at moving spring upper part of body, and the bottom of moving spring body is made as leading foot, and the moving spring body part between moving contact and the leading foot constitutes the passage of load current process; Should moving spring also comprise by what moving spring body extended and one be used for cooperating the action of push card and the promotion spring and that drives moving spring deformation is used for limiting the free movable catch spring of push card, this promotion spring is matched with the promotion point place of push card with certain interval, and this catch spring resilient abutment is in described push card; This promotion spring is located near near the moving contact.
Described promotion spring is located at the top or the side top of the moving contact that load current can not pass through.
Described moving contact is to be fixed on the independent part on moving spring body top or integrally formed in moving spring upper part of body.
Described catch spring is constituted or is made of along extending upward the side of the root of moving spring body along extending upward by the side at the middle part of moving spring body.
Also be provided with between the moving contact position of described promotion spring and moving spring body to make and promote the groove that spring is convenient to relative moving spring body strain.
Another technical scheme that its technical problem that solves the utility model adopts is: a kind of electromagnetic relay comprises the magnetic circuit part, the contact portion that are in corresponding matching; Magnetic circuit partly includes coil, base, yoke and/or iron core, armature; Contact portion comprises the moving spring that has moving contact, the quiet spring that has fixed contact; Should comprise the moving spring body that can soften by moving spring, moving contact is located at moving spring upper part of body; Should moving spring also comprise by what moving spring body extended and one be used for cooperating the action of armature and the promotion spring and that drives moving spring deformation is used for limiting the free movable catch spring of armature, this promotion spring is matched with the promotion point place of armature with certain interval, and this catch spring resilient abutment is in described armature; This promotion spring is located near near the moving contact.
Also be fixed with collets on the described armature, described catch spring resilient abutment is in described collets, and this promotion spring is matched with the promotion point place of collets with certain interval.
Described moving contact is to be fixed on the independent part on moving spring body top or integrally formed in moving spring upper part of body.
Described catch spring is constituted or is made of along extending upward the side of the root of moving spring body along extending upward by the side at the middle part of moving spring body; Described promotion spring is made of along extending downwards the side of the close moving contact of moving spring upper part of body.
Be provided with a groove in the described moving spring body, promote spring, catch spring respectively by stretching out in the groove, wherein, the root that promotes spring is near moving contact, and the root of catch spring is near the root of moving spring body.
The beneficial effects of the utility model are, owing to adopted the moving spring of flexibility to be provided with catch spring and to promote spring, utilize catch spring to limit the free movable of armature and/or push card, the release counter-force is provided simultaneously, when operate condition, then provide contact force by promoting spring, thereby the performance of electromagnetic relay is greatly improved, the drawback that has caused normally-closed contact to disconnect easily when having avoided in environment for use, vibration occurring, greatly improved the relay shock resistance, the ability of vibration, also improve simultaneously the pressure between the contact contact, eliminated relay release voltage deficiency less than normal.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of electromagnetic relay of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the organigram of the relay of prior art;
Fig. 2 is embodiment one organigram of the present utility model;
Fig. 3 is embodiment one a structure decomposing schematic representation of the present utility model;
Fig. 4 is the organigram of the moving spring of embodiment one the utility model;
Fig. 5 is the organigram of the moving spring of embodiment two the utility model;
Fig. 6 is the organigram of the moving spring of embodiment three the utility model;
Fig. 7 is embodiment four organigrams of the present utility model;
Fig. 8 is the organigram of the moving spring of embodiment four the utility model;
Fig. 9 is the organigram of the moving spring of embodiment five the utility model;
Figure 10 is embodiment six organigrams of the present utility model.
Embodiment
Embodiment one, and to shown in Figure 4, a kind of electromagnetic relay of the present utility model comprises the magnetic circuit part, contact portion, the push card 8 that are in corresponding matching referring to Fig. 2; Magnetic circuit partly includes coil 2, base 9, iron core 1, armature 3, and wherein iron core 1 includes the effect of yoke; Contact portion comprises the moving spring 6 that has moving contact 61, the quiet spring that has fixed contact, and the fixed contact 51 of wherein quiet spring 5 is normally closed fixed contact, and the fixed contact 71 of quiet spring 7 is for often opening fixed contact; Should comprise the moving spring body 60 that can soften by moving spring 6, moving contact 61 is located at the top of moving spring body 60, and the bottom of moving spring body 60 is made as leading foot 65, and the moving spring body part between moving contact 61 and the leading foot 65 constitutes the passage of load current process; Should moving spring 6 also comprise by what moving spring body 60 extended and one be used for cooperating the action of push card 8 and the promotion spring 63 and that drives moving spring 6 deformation is used for limiting push card 8 free movable catch springs 62, this promotion spring 63 is put 81 places with the promotion that certain interval is matched with push card 8, and these catch spring 62 resilient abutment are in described push card 8; This promotion spring 63 is located near near the moving contact 61.
Wherein:
Promote spring 63 and be located at the side top of the moving contact 61 that load current can not pass through;
Independent part or the integrally formed top at moving spring body 60 of moving contact 61 for being fixed on moving spring body 60 tops;
Catch spring 62 is made of along extending upward the side at the middle part of moving spring body 60.
A kind of electromagnetic relay of the present utility model, the width that promotes spring 63 can be identical with the width of moving spring body 60, also can be inequality with the width of moving spring body 60.When relay is in the off-position, catch spring 62 is pushed down push card 8, the activity of restriction push card 8, the promotion point 81 of push card 8 and 63 of the promotion springs of moving spring 6 have certain interval, guarantee that the slight jitter of push card 8 can not have influence on the situation that contacts of moving contact 61 and fixed contact 51; When relay is worked, armature 3 promotes push card 8, push card 8 promotes catch springs 62 earlier and moves to and promote point 81 and contact with the promotion spring 63 of moving spring 6, then promote moving spring body 60 motions of moving spring 6 again, normally-closed contact is disconnected and/or the normally opened contact closure, since promote spring 63 be positioned at moving contact 61 near, promote spring 63 as long as less deflection provides enough contact forces just can for moving contact 61 and 71 of fixed contacts, also can make moving contact 61 in the process of contact fixed contact 71, certain rotation be arranged, help improving the anti-stick performance that connects of contact.
The electromagnetic relay of present embodiment, quiet spring have two to be quiet spring 5, quiet spring 7, and certainly, quiet spring also can have only one, does not have quiet spring 7 such as quiet spring 5 is arranged, or quiet spring 7 is arranged and do not have quiet spring 5.
The electromagnetic relay of present embodiment, catch spring 62 are that the approximate mid-section of driven spring body 60 is stretched out, and in moving spring body 60 motion processes of moving spring 6, catch spring 62 can move together like this, and the deflection of catch spring 62 is less.
Embodiment two, referring to shown in Figure 5, a kind of electromagnetic relay of the present utility model, be with the difference of embodiment one, promote spring 63 and be located at the top of 61 of movable contacts that load current can not pass through, catch spring 62 is that the roughly root of driven spring body 60 stretches out, and the motion of catch spring 62 and the moving spring body 60 of moving spring 6 does not exist significantly and influences each other like this.
Embodiment three, and referring to shown in Figure 6, a kind of electromagnetic relay of the present utility model is with the difference of embodiment one, promote also to be provided with between moving contact 61 positions of spring 63 and moving spring body 60 to make to promote spring and be convenient to the relative groove 66 that moves spring body strain.Because the promotion spring 63 and 61 of the moving contacts of moving spring 6 have suitable groove 66, at the easy motion that guarantees moving spring 6 simultaneously, can guarantee suitable contact force.
Embodiment four, and to shown in Figure 8, a kind of electromagnetic relay of the present utility model comprises the magnetic circuit part, the contact portion that are in corresponding matching referring to Fig. 7; Magnetic circuit partly includes coil 2, base 9, yoke 4, iron core 1, armature 3; Contact portion comprises the moving spring 6 that has moving contact 61, the quiet spring that has fixed contact, and the fixed contact 51 of wherein quiet spring 5 is normally closed fixed contact, and the fixed contact 71 of quiet spring 7 is for often opening fixed contact; Should comprise the moving spring body 60 that can soften by moving spring 6, moving contact 61 is located at the top of moving spring body 60; Should moving spring 6 also comprise by what moving spring body 60 extended and one be used for cooperating the action of armature 3 and the promotion spring 63 and that drives moving spring deformation is used for limiting the free movable catch spring 62 of armature, this promotion spring 63 is matched with the promotion point place of armature 3 with certain interval, and these catch spring 62 resilient abutment are in described armature 3; This promotion spring 63 is located near near the moving contact 61.
Wherein:
Independent part or the integrally formed top at moving spring body 60 of moving contact 61 for being fixed on moving spring body 60 tops;
Catch spring 62 is made of along extending upward the side at the middle part of moving spring body 60, and described promotion spring 63 is made of along extending downwards the side of the close moving contact 61 on the top of moving spring body 60.
The electromagnetic relay of present embodiment, quiet spring have two to be quiet spring 5, quiet spring 7, and certainly, quiet spring also can have only one, does not have quiet spring 7 such as quiet spring 5 is arranged, or quiet spring 7 is arranged and do not have quiet spring 5.
The electromagnetic relay of present embodiment, catch spring 62 is made of along extending upward the side at the middle part of moving spring body 60, and certainly, catch spring 62 also can be made of along extending upward the side of the root that moves spring body 60; When relay was in the off-position, catch spring 62 was pushed down armature 3, the activity of restriction armature 3, and armature 3 and 63 of springs of promotion have certain interval; When relay was worked, armature 3 elder generations promotion catch spring 62 moved to promoting spring 63 and contacts, and then promoted moving spring 6 motions again, made normally-closed contact disconnection and/or normally opened contact closure.
Embodiment five, referring to shown in Figure 9, a kind of electromagnetic relay of the present utility model, be with the difference of embodiment four, be provided with a groove 67 in the moving spring body, promote spring 63, catch spring 62 respectively by stretching out in the groove, wherein, the root that promotes spring 63 is near moving contact 61, and the root of catch spring 62 is near the root of moving spring body 60.
Embodiment six, referring to shown in Figure 10, and a kind of electromagnetic relay of the present utility model, be with the difference of embodiment four, also be fixed with collets 31 on the armature 3, described catch spring 62 resilient abutment are in described collets 31, and this promotion spring 63 is matched with the promotion point place of collets 31 with certain interval.When relay was in the off-position, catch spring 62 was pushed down armature 3 by collets 31, the activity of restriction armature 3, and collets 31 and 63 of springs of promotion have certain interval; When relay was worked, armature 3 moved to promoting spring 63 by collets 31 elder generations promotion catch spring 62 and contacts, and then promotes moving spring 6 motions again, makes normally-closed contact disconnection and/or normally opened contact closure.
The foregoing description only is used for further specifying a kind of electromagnetic relay of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims (10)

1. an electromagnetic relay comprises the magnetic circuit part, contact portion, the push card that are in corresponding matching; Magnetic circuit partly includes coil, base, yoke and/or iron core, armature; Contact portion comprises the moving spring that has moving contact, the quiet spring that has fixed contact; Should comprise the moving spring body that can soften by moving spring, moving contact is located at moving spring upper part of body, and the bottom of moving spring body is made as leading foot, and the moving spring body part between moving contact and the leading foot constitutes the passage of load current process; It is characterized in that:
Should moving spring also comprise by what moving spring body extended and one be used for cooperating the action of push card and the promotion spring and that drives moving spring deformation is used for limiting the free movable catch spring of push card, this promotion spring is matched with the promotion point place of push card with certain interval, and this catch spring resilient abutment is in described push card; This promotion spring is located near near the moving contact.
2. a kind of electromagnetic relay according to claim 1 is characterized in that: described promotion spring is located at the top or the side top of the moving contact that load current can not pass through.
3. a kind of electromagnetic relay according to claim 1 is characterized in that: described moving contact is to be fixed on the independent part on moving spring body top or integrally formed in moving spring upper part of body.
4. a kind of electromagnetic relay according to claim 1 is characterized in that: described catch spring is constituted or is made of along extending upward the side of the root of moving spring body along extending upward by the side at the middle part of moving spring body.
5. a kind of electromagnetic relay according to claim 1 is characterized in that: also be provided with between the moving contact position of described promotion spring and moving spring body to make and promote the groove that spring is convenient to relative moving spring body strain.
6. an electromagnetic relay comprises the magnetic circuit part, the contact portion that are in corresponding matching; Magnetic circuit partly includes coil, base, yoke and/or iron core, armature; Contact portion comprises the moving spring that has moving contact, the quiet spring that has fixed contact; Should comprise the moving spring body that can soften by moving spring, moving contact is located at moving spring upper part of body; It is characterized in that:
Should moving spring also comprise by what moving spring body extended and one be used for cooperating the action of armature and the promotion spring and that drives moving spring deformation is used for limiting the free movable catch spring of armature, this promotion spring is matched with the promotion point place of armature with certain interval, and this catch spring resilient abutment is in described armature; This promotion spring is located near near the moving contact.
7. a kind of electromagnetic relay according to claim 6 is characterized in that: also be fixed with collets on the described armature, described catch spring resilient abutment is in described collets, and this promotion spring is matched with the promotion point place of collets with certain interval.
8. according to claim 6 or 7 described a kind of electromagnetic relays, it is characterized in that: described moving contact is to be fixed on the independent part on moving spring body top or integrally formed in moving spring upper part of body.
9. according to claim 6 or 7 described a kind of electromagnetic relays, it is characterized in that: described catch spring is constituted or is made of along extending upward the side of the root of moving spring body along extending upward by the side at the middle part of moving spring body; Described promotion spring is made of along extending downwards the side of the close moving contact of moving spring upper part of body.
10. according to claim 6 or 7 described a kind of electromagnetic relays, it is characterized in that: be provided with a groove in the described moving spring body, promote spring, catch spring respectively by stretching out in the groove, wherein, the root that promotes spring is near moving contact, and the root of catch spring is near the root of moving spring body.
CNU2008201033500U 2008-08-06 2008-08-06 Electromagnetic relay Expired - Lifetime CN201247742Y (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102097254A (en) * 2009-12-09 2011-06-15 厦门宏发电声股份有限公司 Electromagnetic relay with good anti-falling performance
CN102568937A (en) * 2010-12-16 2012-07-11 泰科电子奥地利有限责任公司 Relay with an improved contact spring
CN102655062A (en) * 2012-06-04 2012-09-05 陈涛 Relay
CN102800532A (en) * 2012-07-20 2012-11-28 厦门宏发电声股份有限公司 Electromagnetic relay and contact system thereof
CN103222023A (en) * 2010-11-30 2013-07-24 富士电机机器制御株式会社 Latching relay
CN103311000A (en) * 2012-03-09 2013-09-18 松下电器产业株式会社 Contact device
CN104025237A (en) * 2011-08-17 2014-09-03 豪倍公司 Dual stroke mechanically latched mechanism
CN104217902A (en) * 2014-09-11 2014-12-17 海拉(厦门)汽车电子有限公司 Coil positioning structure of high-current normally-closed type magnetic latching relay
CN112992610A (en) * 2021-02-08 2021-06-18 四川宏发电声有限公司 Pushing clamp assembling structure of horizontal relay

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102097254A (en) * 2009-12-09 2011-06-15 厦门宏发电声股份有限公司 Electromagnetic relay with good anti-falling performance
CN102097254B (en) * 2009-12-09 2013-05-22 厦门宏发电声股份有限公司 Electromagnetic relay with good anti-falling performance
CN103222023A (en) * 2010-11-30 2013-07-24 富士电机机器制御株式会社 Latching relay
CN102568937A (en) * 2010-12-16 2012-07-11 泰科电子奥地利有限责任公司 Relay with an improved contact spring
CN104025237A (en) * 2011-08-17 2014-09-03 豪倍公司 Dual stroke mechanically latched mechanism
CN104025237B (en) * 2011-08-17 2016-08-17 豪倍公司 Two-pass mechanical latch mechanism
CN103311000A (en) * 2012-03-09 2013-09-18 松下电器产业株式会社 Contact device
CN102655062A (en) * 2012-06-04 2012-09-05 陈涛 Relay
CN102655062B (en) * 2012-06-04 2015-03-11 陈涛 Relay
CN102800532A (en) * 2012-07-20 2012-11-28 厦门宏发电声股份有限公司 Electromagnetic relay and contact system thereof
CN104217902A (en) * 2014-09-11 2014-12-17 海拉(厦门)汽车电子有限公司 Coil positioning structure of high-current normally-closed type magnetic latching relay
CN112992610A (en) * 2021-02-08 2021-06-18 四川宏发电声有限公司 Pushing clamp assembling structure of horizontal relay

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101

Patentee after: Xiamen Hongfa Electroacoustic Co., Ltd.

Address before: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101

Patentee before: Hongfa Electroacoustic Co., Ltd, Xiamen

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160912

Address after: 361026 No. 83 Nong Road, Haicang District, Fujian, Xiamen

Patentee after: Xiamen Hongfa Electronics Co., Ltd. signal

Address before: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101

Patentee before: Xiamen Hongfa Electroacoustic Co., Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20090527