CN109243922A - A kind of electromagnetic relay avoiding one direction vibration failur - Google Patents
A kind of electromagnetic relay avoiding one direction vibration failur Download PDFInfo
- Publication number
- CN109243922A CN109243922A CN201811257459.4A CN201811257459A CN109243922A CN 109243922 A CN109243922 A CN 109243922A CN 201811257459 A CN201811257459 A CN 201811257459A CN 109243922 A CN109243922 A CN 109243922A
- Authority
- CN
- China
- Prior art keywords
- armature
- contact
- electromagnetic relay
- avoiding
- bottom plate
- 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
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
Abstract
The invention discloses a kind of electromagnetic relays for avoiding one direction vibration failur, including relay1 case, the inside of the relay1 case is fixedly installed with bottom plate, and the upper end outer surface of bottom plate is fixedly installed with strut, the upper end outer surface of the strut is movably installed with armature, and the position between strut and armature is movably installed with connecting shaft, position between the armature and bottom plate is provided with spring, and the lower end outer surface of armature is fixedly installed with dynamic contact, and the first static contact is provided with below the dynamic contact.The present invention makes the present apparatus in use and can be avoided the vibration of electromagnetic relay itself to drive the movement of dynamic contact by being provided with a series of structure, to avoid in electrification dynamic contact will not moment pull open and be closed and arcing bridges instantaneous large-current that two stationary contacts with different potentials generate and it is short-circuit, to improve the service life of PCBA and electromagnetic relay.
Description
Technical field
The present invention relates to electromagnetic relay technical field, specially a kind of electromagnetism relay for avoiding one direction vibration failur
Device.
Background technique
Relay is a kind of electric control device, is when the variation of input quantity reaches prescribed requirement, in electrical output electricity
Make controlled volume that a kind of electric appliance of scheduled Spline smoothing occur in road, in household electric appliances, electromagnetic relay because its is cheap,
Control mode is simple, reliable operation and be widely used, the type of relay has very much, but existing relay, is using
When, the resonance in one direction source causes the quiet movable contact moment of relay to pull open and be closed and two band differences of arcing bridge joint
The instantaneous large-current that the stationary contact of potential generates, punctures the component of wiring board, causes irrecoverable situation, so that the device
Usage experience it is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of electromagnetic relay for avoiding one direction vibration failur, the present invention passes through setting
The vibration for having a series of structure to make the present apparatus in use and can be avoided electromagnetic relay itself drives dynamic contact
Movement, so that dynamic contact and static electric shock be avoided moment will not to pull open and be closed and arcing bridges two with the quiet of different potentials
Contact generate instantaneous large-current and it is short-circuit, to improve the service life of PCBA and electromagnetic relay.
To achieve the above object, the invention provides the following technical scheme: a kind of electromagnetism for avoiding one direction vibration failur after
Electric appliance, including relay1 case, the inside of the relay1 case is fixedly installed with bottom plate, and the upper end outer surface of bottom plate is fixed
Strut is installed, the upper end outer surface of the strut is movably installed with armature, and the position activity installation between strut and armature
There is connecting shaft, the position between the armature and bottom plate is provided with spring, and the lower end outer surface of armature is fixedly installed with dynamic
Contact is provided with the first static contact below the dynamic contact, and is provided with the second static contact below dynamic contact,
Position fixed installation of the upper end outer surface of the bottom plate close to one end is cored, and the outer surface of iron core is provided with coil.
By using above-mentioned technical proposal, the vibration that can be avoided electromagnetic relay itself drives the first static contact and the
The movement of two static contacts, so that dynamic contact and the first static contact and the second static contact be avoided moment will not to draw open and close
Close and arcing bridges instantaneous large-current that two the first static contacts with different potentials and the second static contact generate and it is short-circuit,
To improve the service life of PCBA and electromagnetic relay.
Preferably, the outer surface that the coil is wrapped in iron core forms electromagnet.
By using above-mentioned technical proposal, electromagnet, which is electrified, can generate suction, attract armature.
Preferably, the direction of motion of the dynamic contact and the vibration direction of relay itself are perpendicular.
By using above-mentioned technical proposal, the perpendicular energy in vibration direction of the direction of motion and relay itself of dynamic contact
Enough avoid dynamic contact, the first static contact and the second static contact from moment will not pulling open and be closed and arcing bridges two bands not
It is short-circuit with the instantaneous large-current that the first static contact of potential and the second static contact generate.
Preferably, the move distance of the dynamic contact is less than the elastic range of spring.
By using above-mentioned technical proposal, when power-off, spring can retract armature.
Preferably, the both ends of the spring are provided with connector, and two connectors are separately fixed on armature and bottom plate.
By using above-mentioned technical proposal, connector is used to fixed spring.
Preferably, the composition electromagnetism iron phase of the armature and iron core and coil is close.
By using above-mentioned technical proposal, the composition electromagnetism iron phase of armature and iron core and coil is close to can guarantee suction energy
Enough attract armature.
Preferably, the dynamic contact, the first static contact are identical as the specification of the second static contact.
By using above-mentioned technical proposal, dynamic contact and the first static contact are in contact with the second static contact and can lead to
Electricity.
Preferably, one end for being located proximate to dynamic contact of the iron core.
By using above-mentioned technical proposal, one end for being located proximate to dynamic contact of iron core can attract the dynamic on armature
Tip side decline.
In conclusion the invention has the following advantages:
The direction of vibration of dynamic contact on armature inside relay and relay direction of vibration itself are staggered, with relay sheet
The vertical direction of body direction of vibration is optimum orientation, and after powered up, the vibration that can be avoided electromagnetic relay itself drives dynamic
The movement of contact, so that dynamic contact and the first static contact be avoided moment will not to pull open and be closed and draw with the second static contact
Arc bridges the instantaneous large-current that two the first static contacts with different potentials and the second static contact generate and short-circuit, to mention
The high service life of PCBA and electromagnetic relay.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the schematic diagram that dynamic contact and relay itself of the invention are placed in parallel；
Fig. 3 is the scheme of installation of relay of the invention；
Fig. 4 is the circuit diagram of application example of the invention.
In figure: 1, relay1 case；2, spring；3, strut；4, connecting shaft；5, iron core；6, armature；7, dynamic contact；8,
First static contact；9, bottom plate；10, coil；11, the second static contact.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Fig. 1-4 is please referred to, a kind of embodiment provided by the invention: a kind of electromagnetism relay avoiding one direction vibration failur
Device, including relay1 case 1 install relay1 case 1 in PCBA board, after energization, when to receive prime effective for relay
Switching signal after, after the electromagnet that iron core 5 and coil 10 form is powered, armature 6 inhaled under electromagnet effect and, therefore it is dynamic
It is connected between state contact 7 and the first static contact 8 and the second static contact 11, connecting shaft 4 keeps armature 6 movable, bottom
Plate 9 and strut 3 are that armature 6 provides activity space, and after power is turned off, the pulling force of spring 2 can be such that armature 6 resets, by relay
The direction of vibration of the dynamic contact 7 on armature 6 inside device is staggered with relay direction of vibration itself, vibrates with relay itself
The vertical direction in direction is optimum orientation, for example, after powered up, the vibration that can be avoided electromagnetic relay itself drives dynamic contact
The movement of point 7, to avoid dynamic contact 7 and the first static contact 8 and the second static contact 11 and moment will not draw open and close
Close and arcing make different potentials the first static contact 8 and 11 arcing of the second static contact bridge joint generate instantaneous large-current and it is short
Road, to improve the service life of PCBA and electromagnetic relay.
Further, the outer surface that coil 10 is wrapped in iron core 5 forms electromagnet, and electromagnet, which is electrified, can generate suction
Power attracts armature 6.
Further, the vibration direction of the direction of motion of dynamic contact 7 and relay itself is perpendicular can be avoided dynamic contact
Point 7 is being pulled open and is being closed from stationary contact moment and arcing makes 11 bridges of the first static contact 8 and the second static contact of different potentials
Practice midwifery raw instantaneous large-current and short circuit occurs for short circuit.
Further, the move distance of dynamic contact 7 is less than the elastic range of spring 2, and when power-off, spring 2 can retract rank
Iron 6.
Further, the both ends of spring 2 are provided with connector, and two connectors are separately fixed on armature 6 and bottom plate 9,
Connector is used to fixed spring 2.
Further, the composition electromagnetism iron phase of armature 6 and iron core 5 and coil 10 is close can guarantee that suction can attract armature
6。
Further, dynamic contact 7 and the first static contact 8 are in contact and can be powered with the second static contact 11.
Further, one end for being located proximate to dynamic contact 7 of iron core 5 can attract under 7 end of dynamic contact on armature 6
Drop.
It should be noted that the present invention is a kind of electromagnetic relay for avoiding one direction vibration failur, in use, by relay
In the installation dress PCBA board of device shell 1, after energization, after relay receives prime effective switching signal, iron core 5 and coil
10 composition electromagnet be powered after, armature 6 electromagnet effect under by inhale and, therefore dynamic contact 7 and the first static contact 8 and
It is connected between second static contact 11, connecting shaft 4 keeps armature 6 movable, and bottom plate 9 and strut 3 are that armature 6 provides work
Dynamic space, after power is turned off, the pulling force of spring 2 can be such that armature 6 resets, by the dynamic contact 7 on the armature 6 inside relay
Direction of vibration be staggered with relay direction of vibration itself, the direction vertical with relay direction of vibration itself be optimum orientation,
For example, after powered up, the vibration that can be avoided electromagnetic relay itself drives the movement of dynamic contact 7, to avoid dynamic contact
Point 7 and the first static contact 8 and the second static contact 11 will not be pulled open and are closed and arcing makes the first quiet of different potentials moment
State contact 8 and the second static contact 11 bridge joint generate instantaneous large-current and it is short-circuit, to improve PCBA and electromagnetic relay
Service life, effectively increase the functionality of its own, it is more practical.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of electromagnetic relay for avoiding one direction vibration failur, including relay1 case (1), it is characterised in that: it is described after
The inside of electric appliance casing (1) is fixedly installed with bottom plate (9), and the upper end outer surface of bottom plate (9) is fixedly installed with strut (3), institute
The upper end outer surface for stating strut (3) is movably installed with armature (6), and the position between strut (3) and armature (6) is movably installed with
Connecting shaft (4), the position between the armature (6) and bottom plate (9) are provided with spring (2), and the lower end outer surface of armature (6) is solid
Dingan County is equipped with dynamic contact (7), is provided with the first static contact (8) below the dynamic contact (7), and dynamic contact (7)
Lower section be provided with the second static contact (11), the upper end outer surface of the bottom plate (9) is fixedly installed with close to the position of one end
Iron core (5), and the outer surface of iron core (5) is provided with coil (10).
2. a kind of electromagnetic relay for avoiding one direction vibration failur according to claim 1, it is characterised in that: the line
The outer surface that circle (10) is wrapped in iron core (5) forms electromagnet.
3. a kind of electromagnetic relay for avoiding one direction vibration failur according to claim 1, it is characterised in that: described dynamic
The direction of motion of state contact (7) and the vibration direction of relay itself are perpendicular.
4. a kind of electromagnetic relay for avoiding one direction vibration failur according to claim 1, it is characterised in that: described dynamic
The move distance of state contact (7) is less than the elastic range of spring (2).
5. a kind of electromagnetic relay for avoiding one direction vibration failur according to claim 1, it is characterised in that: the bullet
The both ends of spring (2) are provided with connector, and two connectors are separately fixed on armature (6) and bottom plate (9).
6. a kind of electromagnetic relay for avoiding one direction vibration failur according to claim 1, it is characterised in that: the rank
Iron (6) and the composition electromagnetism iron phase of iron core (5) and coil (10) are close.
7. a kind of electromagnetic relay for avoiding one direction vibration failur according to claim 1, it is characterised in that: described dynamic
State contact (7), the first static contact (8) are identical as the specification of the second static contact (11).
8. a kind of electromagnetic relay for avoiding one direction vibration failur according to claim 1, it is characterised in that: the iron
One end for being located proximate to dynamic contact (7) of core (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257459.4A CN109243922A (en) | 2018-10-26 | 2018-10-26 | A kind of electromagnetic relay avoiding one direction vibration failur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811257459.4A CN109243922A (en) | 2018-10-26 | 2018-10-26 | A kind of electromagnetic relay avoiding one direction vibration failur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109243922A true CN109243922A (en) | 2019-01-18 |
Family
ID=65082351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811257459.4A Pending CN109243922A (en) | 2018-10-26 | 2018-10-26 | A kind of electromagnetic relay avoiding one direction vibration failur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109243922A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137043A (en) * | 2019-06-25 | 2019-08-16 | 国家电网有限公司 | A kind of limiting device preventing the anti-power transmission of low pressure |
| CN112420452A (en) * | 2020-11-16 | 2021-02-26 | 天翼物联科技有限公司 | Switching type electromagnetic relay and control circuit thereof |
| CN115662845A (en) * | 2022-11-16 | 2023-01-31 | 东莞市中汇瑞德电子股份有限公司 | Compact electromagnetic relay |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283306Y (en) * | 1996-06-04 | 1998-06-03 | 武进市湖塘华艺电器厂 | Magnetic circuit device for ac electromagnetic relay |
| CN103715016A (en) * | 2012-09-28 | 2014-04-09 | 天津凯安特机电设备有限公司 | Electromagnetic relay |
-
2018
- 2018-10-26 CN CN201811257459.4A patent/CN109243922A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283306Y (en) * | 1996-06-04 | 1998-06-03 | 武进市湖塘华艺电器厂 | Magnetic circuit device for ac electromagnetic relay |
| CN103715016A (en) * | 2012-09-28 | 2014-04-09 | 天津凯安特机电设备有限公司 | Electromagnetic relay |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137043A (en) * | 2019-06-25 | 2019-08-16 | 国家电网有限公司 | A kind of limiting device preventing the anti-power transmission of low pressure |
| CN112420452A (en) * | 2020-11-16 | 2021-02-26 | 天翼物联科技有限公司 | Switching type electromagnetic relay and control circuit thereof |
| CN112420452B (en) * | 2020-11-16 | 2023-11-14 | 天翼物联科技有限公司 | Switching type electromagnetic relay and control circuit thereof |
| CN115662845A (en) * | 2022-11-16 | 2023-01-31 | 东莞市中汇瑞德电子股份有限公司 | Compact electromagnetic relay |
| CN115662845B (en) * | 2022-11-16 | 2023-03-21 | 东莞市中汇瑞德电子股份有限公司 | Compact electromagnetic relay |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |