CN106935442B - A kind of push-down high-power magnetic relay - Google Patents
A kind of push-down high-power magnetic relay Download PDFInfo
- Publication number
- CN106935442B CN106935442B CN201710073482.7A CN201710073482A CN106935442B CN 106935442 B CN106935442 B CN 106935442B CN 201710073482 A CN201710073482 A CN 201710073482A CN 106935442 B CN106935442 B CN 106935442B
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- CN
- China
- Prior art keywords
- normally closed
- contact
- quiet
- pedestal
- bending part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H2050/028—Means to improve the overall withstanding voltage, e.g. creepage distances
Abstract
The invention discloses a kind of push-down high-power magnetic relays, including electromagnetic system, insulating boot, pedestal and fixed setting normally closed quiet contact group on the base from electromagnetic system from the near to the remote, dynamic contact group and normally opened quiet contact group, feature is that the lower end of normally closed quiet contact chip is provided with the first bending part and at least one normally closed quiet leading foot being connected with the first bending part, impact faces are provided with accordingly to the first clamping groove for being clamped the first bending part and accordingly the first slot to the normally closed quiet leading foot of grafting, first bending part is caught in completely in the first clamping groove, the top that the first bending part of quiet contact chip is arranged in insulating boot is fixedly connected with pedestal, the top of movable contact spring is left, right two sides respectively symmetrically offer the first strip slot, advantage is that the electromagnetic relay can limit outer dimension and relay leading foot installation ruler Contact load transfer capability can be promoted under conditions of very little to greatest extent and can ensure that insulation performance is good, contact contact is reliable.
Description
Technical field
The present invention relates to a kind of electromagnetic relay more particularly to a kind of push-down high-power magnetic relays.
Background technique
Relay is a kind of using extensive electronic component, is widely used in household electrical appliance, automobile, Industry Control, electricity
The fields such as Force system, communication device, one of the microminaturization of electromagnetic relay, high-power demand for development its developing direction.
The installation foot position size of relay is generally pressed requirement and is determined, usually the size of standard, such as many relays
Leading foot between size be converted into the multiple that metric system is 2.54 by English system, therefore, the design of relay product structure can be by
The influence of the foot position installation dimension of relay such as the structure and size of components each in relay, and then influences relay
All technical, under conditions of the outer dimension of restriction and relay leading foot spacing, existing electromagnetic relay is deposited
In two types: first is that the space of electromagnetic system is smaller, thus the driving source of electromagnetic relay is relatively small, uses the relay
Contact load transfer capability it is also relatively small, be unable to satisfy the requirement of user；Although second is that increase the volume of electromagnetic system,
But since the driving force of electromagnetic system is relatively large, contact contact touching counter-force in closure is also relatively large, and movable contact produces
Raw contact bounce causes the frequency of contact chatter and amplitude to increase, and arcing is also easy to produce between contact and ablation contact, thus in contact
Repeatedly cause relay failure after movement, have notably will occur contact on relay production line cannot be attracted and generate not
Qualified product.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind to limit outer dimension and relay leading foot peace
Contact load transfer capability is promoted to greatest extent under conditions of dress size and can ensure that insulation performance is good, contact contact is reliable
Electromagnetic relay.
The technical scheme of the invention to solve the technical problem is: a kind of push-down high-power magnetic relay,
Including electromagnetic system, insulating boot, pedestal and being fixed on the pedestal from the near to the remote from the electromagnetic system
Normally closed quiet contact group, dynamic contact group and normally opened quiet contact group, the electromagnetic system is mounted in the insulating boot, described
Normally closed quiet contact group include normally closed quiet contact chip and the normally closed quiet contact point that the normally closed quiet contact chip top is set, institute
The dynamic contact group stated includes the movable contact spring that top is provided with movable contact, and the movable contact spring lower part is provided with dynamic leading foot, described
Normally opened quiet contact group include normally opened quiet contact chip and normally opened stationary contact, the electromagnetic system is described by being separately positioned on
The catch bar of insulating boot upper left quarter and upper right quarter is connected with the moving contacting plate, and the lower end of the normally closed quiet contact chip is set
It is equipped with the first bending part and at least one normally closed quiet leading foot being connected with first bending part, the impact faces
It is provided with accordingly to the first clamping groove for being clamped first bending part and accordingly to normally closed quiet described in grafting
First slot of leading foot, first bending part are caught in completely in first clamping groove, the normally closed quiet extraction
Foot passes through first slot and extends to outside the pedestal, and the normally closed quiet contact chip is arranged in the insulating boot
It the top of first clamping groove and first slot and is fixedly connected with the pedestal, the top of the movable contact spring is left,
Right two sides respectively symmetrically offer the first strip slot.
The normally closed quiet contact chip is straight-plate-type and is integrated knot with the clamping portion, the normally closed quiet leading foot
Structure, in this way, can be minimum by the space of the top of pedestal occupied by normally closed quiet contact chip, to make the occupied sky of electromagnetic system
Between further increase, integral structure makes the electrical property of quiet contact chip reach best.
The cell wall of the first clamping groove on the pedestal is upwardly extended in the part close to the normally closed quiet contact chip
The first divider wall is formed, is provided with the second divider wall between the normally closed quiet contact chip and the dynamic contact group, it is described
First divider wall and the second divider wall integrally connected simultaneously enclose composition to be clamped the second of the normally closed quiet contact chip
Clamping groove in this way, not only having ensured the stability of normally closed quiet contact chip installation, but also increases climbing between movable contact spring and electromagnetic system
Electrical distance.
In order to enhance the sensitivity of dynamic contact group, the movable contact spring lower part is U-bend folded structure, the dynamic leading foot
Including the interconnecting piece, the second bending part and lead division to be fixedly connected with the front end of the U-bend folding part of the movable contact spring, institute
The second slot accordingly to the lead division of dynamic leading foot described in grafting is provided on the pedestal stated, in this way, further subtracting
The space above the occupied pedestal of dynamic contact group is lacked, to further increase the occupied space of electromagnetic system.
In order to make the horizontal space above pedestal occupied by contact group reach minimum and not increase pedestal in short transverse
On outer dimension, thus make electromagnetic system can occupied space it is maximum, the institute mutually amplexiformed with the front end face of the lead division
The one side wall of the cell wall for the second slot stated and first divider wall is in the same plane.
The second strip slot along its length is offered in the middle part of the movable contact spring, the second strip slot further decreases
The coefficient of elasticity of movable contact spring ensure that the stability of contact movement.
The lower part of the normally opened quiet contact chip folded after width direction extends outwardly and be downwardly extending two it is quiet
The middle part of leading foot, the normally opened quiet contact chip is provided with third strip slot along its length, in this way, normally opened quiet contact chip
Thickness can it is relatively small and it is elastic preferably and normally closed quiet leading foot can be ensured through larger current, when catch bar pushes
When movable contact spring, movable contact spring, which drives movable contact and normally opened quiet contact point contact and continues to press on contact, forms contact overtravel, normally opened
Quiet contact chip can be with hypsokinesis to absorb contact counter-force, and synovial membrane moves between forming contact, has ensured the reliability of contact contact, separately
Outside, third strip slot reduces the coefficient of elasticity of movable contact spring, is also beneficial to absorb contact Contact reaction-force.
It is provided with third divider wall between the normally opened quiet contact group and the dynamic contact group, in this way, further mentioning
High quiet contact group creepage distance with other components.
It further include housing for there is the relay of seal request, two-phase of the bottom of the pedestal below insulating boot
Opposite side is equipped with multiple little grooves, and the housing is fixedly connected with the pedestal, the inner sidewall of the housing with it is described
Little groove encloses the small slot of composition, in this way, relay is when carrying out sealing process, a small amount of glue is flowed into from small slot, so that insulation
Seat and pedestal side connect it is more secured, to further increase the stability of properties of product.
Compared with the prior art, the advantages of the present invention are as follows: due to the of the normally closed quiet contact chip of the high power relay
One bending part is caught in completely in the first clamping groove, and insulating boot is arranged in the top of the first clamping groove and the first slot and consolidates with pedestal
Fixed connection, the volume for making insulating boot substantially increase its occupancy in length and height both direction larger is as big as possible, and one
Aspect, the cavity in insulating boot can accordingly increase as far as possible, and the number of ampere turns and magnetic conduction components volume of the coil of electromagnetic system are all
It is increased, the driving capability of electromagnetic system significantly improves to substantially increase contact transfer capability；On the other hand, absolutely
The wall thickness of edge cover can be increased to increase the insulation performance between electromagnetic system and contact group；In addition, upper due to movable contact spring
Portion's arranged on left and right sides respectively symmetrically offers the first strip slot, and catch bar is to the promotion point of movable contact spring respectively in the first strip slot
The left and right both ends of movable contact spring above hole make movable contact spring after obtaining the biggish motive force of catch bar, are ensureing certain touching
Can be reduced catch bar under point pressure pushes movable contact spring drive movable contact to touch generated contact bounce when normally opened stationary contact, i.e.,
The frequency and amplitude of reduction contact chatter eliminate contact bounce, and then improve the reliability of contact contact.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the embodiment of the present invention one；
Fig. 2 is the explosive view of the embodiment of the present invention one；
Fig. 3 is the stereochemical structure signal of quiet contact group and the installation of dynamic contact group on the base in the embodiment of the present invention one
Figure；
Fig. 4 is the tridimensional structural schematic diagram in the embodiment of the present invention one；
Fig. 5 is the tridimensional structural schematic diagram different from the visual angle Fig. 4；
Fig. 6 is the dynamic contact group schematic perspective view in the embodiment of the present invention；
Fig. 7 is the normally closed quiet contact group schematic perspective view in the embodiment of the present invention；
Fig. 8 is the normally opened quiet contact group schematic perspective view in the embodiment of the present invention；
Fig. 9 is the tridimensional structural schematic diagram in the embodiment of the present invention two；
Figure 10 is the schematic perspective view of the embodiment of the present invention two.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one, as shown in Figures 1 to 8, a kind of push-down high-power magnetic relay, including electromagnetic system 1, insulation
Cover 2, pedestal 3 and the normally closed quiet contact group 4 being fixed on pedestal 3, dynamic contact group 5 from electromagnetic system 1 from the near to the remote
With normally opened quiet contact group 6, electromagnetic system 1 is mounted in insulating boot 2, and normally closed quiet contact group 4 includes that quiet contact chip 41 and setting exist
The normally closed quiet contact point 42 on normally closed 41 top of quiet contact chip, normally closed quiet contact chip 41 are straight-plate-type, and lower end has been wholely set the
One bending part 411 and two normally closed quiet leading foots 412 being connected with the first bending part 411 move contact group 5 and are arranged including top
There is the movable contact spring 52 of movable contact 51,52 lower part of movable contact spring is provided with dynamic leading foot 53, the top arranged on left and right sides difference of movable contact spring 52
The first strip slot 521 symmetrically is offered, the second strip slot 522 along its length, electromagnetism are offered in the middle part of movable contact spring 52
System 1 by be separately positioned on the catch bar 7 of 2 upper left quarter of insulating boot and upper right quarter on corresponding first strip slot 521
The left and right both ends of the movable contact spring 52 of side are connected, and normally opened quiet contact group 6 includes normally opened quiet contact chip 61 and normally opened stationary contact
62, the lower part of normally opened quiet contact chip 61 folds after width direction extends outwardly and is downwardly extending two quiet leading foots 63,
The middle part of normally opened quiet contact chip 61 is provided with third strip slot 611 along its length, pedestal 3 be provided with above accordingly to
It is clamped the first clamping groove 31 and the first slot 32 to the normally closed quiet leading foot 412 of grafting accordingly of the first bending part 411,
One bending part 411 is caught in completely in the first clamping groove 31, and normally closed quiet leading foot 412 passes through the first slot 32 and extends to outside pedestal 3,
Insulating boot 2 is arranged in the top of the first clamping groove 31 and the first slot 32 and is fixedly connected with pedestal 3.
In order to not only ensure the stability of normally closed quiet contact chip installation, but also increases and climb electricity between movable contact spring and electromagnetic system
Distance, the cell wall of the first clamping groove 31 on pedestal 3 the part close to normally closed quiet contact chip 41 upwardly extend to be formed first every
From wall 33, the second divider wall 34 is provided between normally closed quiet contact chip 41 and dynamic contact group 5, the first divider wall 33 is isolated with second
34 integrally connected of wall simultaneously encloses the second clamping groove 35 formed to be clamped normally closed quiet contact chip 41, and normally opened quiet contact group 6 connects with dynamic
Third divider wall 36 is provided between touching group 5.
In order to enhance the sensitivity of dynamic contact group 5,52 lower part of movable contact spring is U-bend folded structure, and moving leading foot 53 includes using
With the interconnecting piece 531, the second bending part 532 and lead division 533 being fixedly connected with the front end of the U-bend folding part of movable contact spring 52, base
The second slot 37 for moving the lead division 533 of leading foot 53 to grafting accordingly, the front end with lead division 533 are provided on seat 3
The cell wall for the second slot 37 that face is mutually amplexiformed and the one side wall of the first divider wall 33 are in the same plane, in this way, making contact
The horizontal space of 3 top of pedestal occupied by group 5 reaches minimum and does not increase the outer dimension of pedestal 3 in the height direction, thus
Make electromagnetic system 1 can occupied space it is maximum.
Embodiment two, as shown in Fig. 9 to 10, technical characteristic is the same as example 1, the difference is that the relay
Normally opened quiet contact chip 61 for one group of normally closed form, i.e., normally opened quiet contact group 6 is not provided with normally opened quiet leading foot 63, normally opened stationary contact
62 material can also be with ordinary metallic material without the use of precious metal material, in addition, also wrapping because it has dust-proof or seal request
Housing 8 is included, two opposite sides of the bottom of pedestal 3 below insulating boot 1 are equipped with multiple little grooves 38, housing 8 and the fixed company of pedestal 3
It connecing, the inner sidewall of housing 8 and little groove 38 enclose the small slot 39 of composition, in this way, relay is when carrying out sealing process, a small amount of glue
It is flowed into from small slot 39, so that insulating boot 2 and the connection of pedestal 3 are more secured, to further increase the stabilization of properties of product
Property.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (9)
1. a kind of push-down high-power magnetic relay, including electromagnetic system, insulating boot, pedestal and from the electromagnetic system
The normally closed quiet contact group being fixed on the pedestal, dynamic contact group and normally opened quiet contact group from the near to the remote, it is described
Electromagnetic system is mounted in the insulating boot, and the normally closed quiet contact group includes normally closed quiet contact chip and is arranged in described
The normally closed quiet contact point on normally closed quiet contact chip top, the dynamic contact group include the movable contact spring that top is provided with movable contact, institute
The movable contact spring lower part stated is provided with dynamic leading foot, and the normally opened quiet contact group includes normally opened quiet contact chip and normally opened stationary contact,
The lower end of the normally closed quiet contact chip is provided with the first bending part and at least one is connected with first bending part
Normally closed quiet leading foot, the impact faces be provided with accordingly to the first clamping groove for being clamped first bending part and
The first slot to normally closed quiet leading foot described in grafting accordingly, first bending part are caught in described first completely
In clamping groove, the normally closed quiet leading foot passes through first slot and extends to outside the pedestal, the insulating boot
The top that the first bending part of the normally closed quiet contact chip is arranged in is fixedly connected with the pedestal, it is characterised in that described
The top arranged on left and right sides of movable contact spring respectively symmetrically offer the first strip slot, the electromagnetic system is by being respectively set
The left and right top of insulating boot catch bar and a left side for the movable contact spring above the corresponding first strip slot,
Right both ends are connected.
2. a kind of push-down high-power magnetic relay according to claim 1, it is characterised in that described normally closed quiet to connect
Contact is straight-plate-type and is structure as a whole with first bending part, the normally closed quiet leading foot.
3. a kind of push-down high-power magnetic relay according to claim 1 or 2, it is characterised in that on the pedestal
The cell wall of the first clamping groove upwardly extend to form the first divider wall close to the part of the normally closed quiet contact chip, it is described
The second divider wall, first divider wall and described second are provided between normally closed quiet contact chip and the dynamic contact group
Divider wall integrally connected simultaneously encloses second clamping groove of the composition to be clamped the normally closed quiet contact chip.
4. a kind of push-down high-power magnetic relay according to claim 3, it is characterised in that under the movable contact spring
Portion is U-bend folded structure, and the dynamic leading foot includes being fixedly connected to the front end of the U-bend folding part with the movable contact spring
Interconnecting piece, the second bending part and lead division, be provided with accordingly to dynamic leading foot described in grafting on the pedestal
Second slot of lead division.
5. a kind of push-down high-power magnetic relay according to claim 4, the front end face phase with the lead division
The cell wall of second slot amplexiformed and the one side wall of first divider wall are in the same plane.
6. a kind of push-down high-power magnetic relay according to claim 4, it is characterised in that in the movable contact spring
Portion offers the second strip slot along its length.
7. a kind of push-down high-power magnetic relay according to claim 1, it is characterised in that described normally opened quiet to connect
The lower part of contact folds after width direction extends outwardly and is downwardly extending two quiet leading foots, the normally opened quiet contact
The middle part of piece is provided with third strip slot along its length.
8. a kind of push-down high-power magnetic relay according to claim 7, it is characterised in that described normally opened quiet to connect
Third divider wall is provided between touching group and the dynamic contact group.
9. a kind of push-down high-power magnetic relay according to claim 1, it is characterised in that it further include housing, it is described
Two opposite sides of the bottom below insulating boot of pedestal be equipped with multiple little grooves, the housing and pedestal is fixed connects
It connects, the inner sidewall of the housing and the little groove enclose the small slot of composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073482.7A CN106935442B (en) | 2017-02-10 | 2017-02-10 | A kind of push-down high-power magnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073482.7A CN106935442B (en) | 2017-02-10 | 2017-02-10 | A kind of push-down high-power magnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106935442A CN106935442A (en) | 2017-07-07 |
| CN106935442B true CN106935442B (en) | 2019-03-26 |
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ID=59422990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710073482.7A Active CN106935442B (en) | 2017-02-10 | 2017-02-10 | A kind of push-down high-power magnetic relay |
Country Status (1)
| Country | Link |
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| CN (1) | CN106935442B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321034B (en) * | 2018-03-29 | 2023-12-15 | 厦门宏发电声股份有限公司 | Small electromagnetic relay suitable for intelligent socket |
| CN115458372B (en) * | 2022-08-30 | 2023-07-25 | 明光市欣大电子有限公司 | Modular relay structure with high universality and high compatibility of parts |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4085513B2 (en) * | 1999-04-28 | 2008-05-14 | オムロン株式会社 | Electrical equipment sealing structure |
| JP4168733B2 (en) * | 2002-11-12 | 2008-10-22 | オムロン株式会社 | Electromagnetic relay |
| CN2849945Y (en) * | 2005-07-26 | 2006-12-20 | 宁波福特继电器有限公司 | Small high-power relay |
| JP4946559B2 (en) * | 2007-03-22 | 2012-06-06 | オムロン株式会社 | Electromagnetic relay |
| CN201038082Y (en) * | 2007-05-23 | 2008-03-19 | 宁波福特继电器有限公司 | Small-sized high-power relay |
| CN201252054Y (en) * | 2008-09-12 | 2009-06-03 | 宁波华仑电子有限公司 | Minitype high power relay |
| CN102005339A (en) * | 2009-09-02 | 2011-04-06 | 厦门台松精密电子有限公司 | Structure and manufacturing method of relay |
| CN201594509U (en) * | 2009-12-17 | 2010-09-29 | 厦门宏发电声股份有限公司 | Connection structure between dynamic reed and pushing block of relay |
| CN206471293U (en) * | 2017-02-10 | 2017-09-05 | 宁波华冠电子有限公司 | A kind of dynamic contact group for driving electromagnetic relay |
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2017
- 2017-02-10 CN CN201710073482.7A patent/CN106935442B/en active Active
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| CN106935442A (en) | 2017-07-07 |
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Effective date of registration: 20191029 Address after: Five No. 315800 mountain road, Beilun District, Zhejiang, Ningbo, 361 Patentee after: Ningbo Hualun Electronics Co. Ltd. Address before: 315012 Zhejiang Province, Ningbo City Kai Wen Road 125 Lane 13 Patentee before: Ningbo Huaguan Electronic Co., Ltd. |
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