CN208014623U - The electromagnetic relay of thunder-strike current can be resisted - Google Patents
The electromagnetic relay of thunder-strike current can be resisted Download PDFInfo
- Publication number
- CN208014623U CN208014623U CN201820471236.7U CN201820471236U CN208014623U CN 208014623 U CN208014623 U CN 208014623U CN 201820471236 U CN201820471236 U CN 201820471236U CN 208014623 U CN208014623 U CN 208014623U
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- Prior art keywords
- spring
- movable contact
- rigidity
- dynamic
- thunder
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Abstract
The utility model discloses a kind of electromagnetic relays that can resist thunder-strike current, including contact portion and pedestal；Contact portion includes dynamic spring part and quiet spring part in mated position；Dynamic spring part includes rigid movable contact spring, movable contact, the dynamic spring leading foot of rigidity, flexible connecting member, reverse force spring plate and shaft；The top of rigid movable contact spring is connected by shaft in pivot joint, and movable contact is fixed on the lower end of rigid movable contact spring, and the dynamic spring leading foot of rigidity is inserted on pedestal and in back in the side of movable contact；Flexible connecting member is connected between the upper end of rigid movable contact spring and the upper end of the dynamic spring leading foot of rigidity, rigid movable contact spring, flexible connecting member and the dynamic spring leading foot of rigidity is set to connect into U-shaped shape, generated Lorentz force goes to resist thunder-strike current Hall nurse power caused by contact surface when dynamic spring part so as to flow through U-shaped shape using thunder-strike current, the stability for ensureing sound contact, ensures that the stability of electromagnetic relay performance.
Description
Technical field
The utility model is related to relay technical fields, more particularly to a kind of electromagnetism relay that can resist thunder-strike current
Device.
Background technology
Relay is a kind of automatic switch element with isolation features, is widely used in household electrical appliances, remote control, telemetering, leads to
It interrogates, automatically control, in electromechanical integration and power electronic equipment, being one of most important control element, risen in control circuit
The effects that automatic adjustment, safeguard protection, conversion circuit.
Electromagnetic relay is a kind of relay generating predetermined response using electromagnetic force drive mechanical part relative motion,
It is generally made of iron core, coil, armature, yoke, the reed etc. with contact.Electromagnetism is generated when passing through electric current in coil
Power, armature are attracted, so that the stationary contact point contact of the movable contact of movable contact spring and static contact spring piece；When current vanishes in coil,
Electromagnetic force disappears therewith, and armature resets, so that the movable contact of movable contact spring is detached with the stationary contact of static contact spring piece.Pass through movable contact
With the actuation of stationary contact or detach, achieve the purpose that on or off circuit.
The contact portion of the electromagnetic relay of the prior art generally includes dynamic spring part and quiet spring part, moves spring part by having
Flexible movable contact spring, movable contact and rigidity (could also say that hard) are moved spring leading foot and are constituted, and movable contact is connected to movable contact spring
Upper end, the lower end of movable contact spring are mutually fixed with dynamic spring leading foot, and dynamic spring leading foot is then inserted on pedestal, and quiet spring part is quiet by rigidity
Spring (containing leading foot) and stationary contact are constituted, and quiet spring is inserted on pedestal, stationary contact be connected to the upper end of quiet spring and with dynamic spring portion
The movable contact divided is at matched position.The contact portion of this structure of the prior art can not resist thunder-strike current,
When thunder-strike current occurs, Hall nurse power is will produce in contact surface, Hall nurse power can cause contact to disconnect, to affect electricity
The stability of magnetic relay performance.
Utility model content
The purpose of the utility model is to overcome the deficiencies of the prior art, provide a kind of electromagnetism that can resist thunder-strike current
Relay can be resisted by being especially the improvement of dynamic spring part-structure to electromagnetic relay structure when thunder-strike current occurs
Thunder-strike current Hall nurse power caused by contact surface, ensure sound contact stability, ensure that electromagnetism after
The stability of electric property.
Technical solution adopted by the utility model to solve its technical problems is：A kind of electromagnetism that can resist thunder-strike current
Relay, including contact portion and pedestal；The contact portion includes dynamic spring part and quiet spring part, and moves spring part and quiet spring
Part is attached separately on pedestal and at matched position；The dynamic spring part includes rigid movable contact spring, movable contact, rigidity
Dynamic spring leading foot, flexible connecting member, reverse force spring plate and shaft；The top of the rigidity movable contact spring is connected by shaft in pivot joint,
The lower end of movable contact spring is set to be rotated relative to spindle central, the movable contact is fixed on the lower end of rigid movable contact spring, the rigidity
Dynamic spring leading foot is inserted on pedestal and in back in the side of movable contact；Flexible connecting member is connected to the upper of rigid movable contact spring
Between end and the upper end of the dynamic spring leading foot of rigidity, rigid movable contact spring, flexible connecting member and the dynamic spring leading foot of rigidity is set to connect into U-shaped
Shape, when dynamic spring part so as to flow through U-shaped shape using thunder-strike current, generated Lorentz force went to resist lightning stroke electricity
Flow the Hall nurse power caused by contact surface.
The pedestal is equipped with the first bearing wall, and the first bearing wall is located at corresponding to the dynamic spring leading foot of rigidity back to rigidity
The one side of movable contact spring, and with the leaning on one side back to rigid movable contact spring of the dynamic spring leading foot of rigidity.
The quiet spring part includes that the quiet spring of rigidity and stationary contact, the quiet spring of rigidity are inserted on pedestal, the stationary contact
It is fixed on the upper end of the quiet spring of rigidity, and is in towards the one side for moving spring part, to be matched with the movable contact of dynamic spring part；Institute
Pedestal is stated equipped with the second bearing wall, the second bearing wall is located at the one side back to dynamic spring part corresponding to the quiet spring of rigidity, and with it is rigid
The leaning on one side back to dynamic spring part of the quiet spring of property.
The flexible connecting member is made of one or more strands of copper wire or aluminum steel.
The flexible connecting member is made of one or more layers copper foil or aluminium foil.
The both ends that the rigidity moves the top of spring leading foot extend a lug, the rigidity to rigid movable contact spring direction respectively
The top of movable contact spring is rotatably connected to by the shaft between two lugs of the dynamic spring leading foot of rigidity.
The pedestal is respectively equipped with the first slot and the second slot, and the rigidity moves spring leading foot and the quiet spring difference of rigidity
It is inserted into the first slot and the second slot and is matched in interference mode.
The electromagnetic relay further includes magnetic circuit part and push card, and the push card is connected to magnetic circuit part and dynamic spring portion
/, and push card is equipped with the card slot for being used for coordinating dynamic spring part；The correspondence in rigid movable contact spring is arranged in the reverse force spring plate
In back in the one side of movable contact, the rigidity movable contact spring and reverse force spring plate coordinate together in the card slot of push card.
It is also equipped with arc extinguishing magnet steel below the stationary contact and the movable contact place of matching.
The dynamic spring part and quiet spring part are respectively two, and two quiet spring parts and two dynamic spring parts fill side by side respectively
On pedestal, and two dynamic spring parts are respectively fitting into the both sides of the pushing direction of push card.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model is designed to include rigid movable contact spring, movable contact, the dynamic spring of rigidity as a result of by dynamic spring part
Leading foot, flexible connecting member, reverse force spring plate and shaft；And the top of rigid movable contact spring is connected by shaft in pivot joint, and spring is made
The lower end of piece can be rotated relative to spindle central, and the movable contact is fixed on the lower end of rigid movable contact spring, and the rigidity is moved spring and drawn
Go out foot to be inserted on pedestal and in back in the side of movable contact；Flexible connecting member be connected to rigid movable contact spring upper end and just
Property dynamic spring leading foot upper end between, this structure of the utility model can utilize flexible connecting member make under rigid movable contact spring
End can surround the articulated section rotation of rigid movable contact spring, and rigid movable contact spring, flexible connecting member and the dynamic spring leading foot of rigidity is made to connect
It is connected into U-shaped shape, when dynamic spring part so as to flow through U-shaped shape using thunder-strike current, generated Lorentz force went to resist
Thunder-strike current Hall nurse power caused by contact surface, ensure sound contact stability, ensure that electromagnetism after
The stability of electric property.
2, the utility model is equipped with the first bearing wall as a result of in pedestal, and the first bearing wall is located at corresponding to rigid
Property dynamic spring leading foot the one side back to rigid movable contact spring, and with the one side phase back to rigid movable contact spring of the dynamic spring leading foot of rigidity
Against.This structure of the utility model, when thunder-strike current flows through the dynamic spring part of U-shaped shape and generates Lorentz force, profit
The one side back to rigid movable contact spring of the dynamic spring leading foot of rigidity is supported with pedestal so that Lorentz force can make movable contact towards stationary contact
The direction movement of point, can preferably realize the purpose for resisting thunder-strike current.
3, the utility model is as a result of in rigid movable contact spring, corresponding to back to being also equipped on one side in movable contact
Reverse force spring plate, so as to realize the overtravel of relay.
The utility model is described in further detail with reference to the accompanying drawings and embodiments；But a kind of energy of the utility model
The electromagnetic relay for enough resisting thunder-strike current is not limited to embodiment.
Description of the drawings
Fig. 1 is the D structure schematic diagram of the utility model；
Fig. 2 is the front view of the utility model；
Fig. 3 is the vertical view of the utility model；
Fig. 4 is the right view of the utility model；
Fig. 5 is the left view of the utility model；
Fig. 6 is the sectional view of the line A-A along Fig. 3；
Fig. 7 is the sectional view of the line B-B along Fig. 3；
Fig. 8 is the sectional view of the line C-C along Fig. 3；
Fig. 9 is the matched D structure schematic diagram of magnetic circuit part, push card and contact portion of the utility model；
Figure 10 is the matched front view of magnetic circuit part, push card and contact portion of the utility model.
Specific implementation mode
Embodiment
Shown in Fig. 1 to Figure 10, a kind of of the utility model can resist the electromagnetic relay of thunder-strike current, including connect
Contact portion point and pedestal 1；The contact portion includes dynamic spring part 2 and quiet spring part 3, and dynamic spring part 2 and quiet spring part 3 are distinguished
On pedestal 1 and at matched position, i.e., movable contact, stationary contact are in the position of cooperation；The dynamic spring part 2
Including rigid movable contact spring 21, movable contact 22, the dynamic spring leading foot 23 of rigidity, flexible connecting member 24, reverse force spring plate 26 and shaft 25；Institute
The top for stating rigid movable contact spring 21 is connected by shaft 25 in pivot joint, and the lower end of movable contact spring 21 is enable to turn with respect to 25 center of shaft
Dynamic, the movable contact 22 is fixed on the lower end of rigid movable contact spring 21, and the rigidity moves spring leading foot 23 and is inserted on pedestal 1 and locates
In back in the side of movable contact 22；Flexible connecting member 24 is connected to the upper end of rigid movable contact spring 21 and rigidity moves spring leading foot 23
Upper end between, so that rigid movable contact spring 21, flexible connecting member 24 and the dynamic spring leading foot of rigidity 23 is connected into U-shaped shape, so as to
Generated Lorentz force removes to resist thunder-strike current in contact surface when enough flowing through the dynamic spring part of U-shaped shape using thunder-strike current
Generated Hall nurse power.
In the present embodiment, the pedestal 1 is equipped with the first bearing wall 11, and the first bearing wall 11 is located at corresponding to the dynamic spring of rigidity
The one side back to rigid movable contact spring 21 of leading foot 23, and with the one side phase back to rigid movable contact spring of the dynamic spring leading foot of rigidity 23
Against.
In the present embodiment, the quiet spring part 3 includes the quiet spring 31 of rigidity and stationary contact 32, and the quiet spring of the rigidity 31 is inserted into
On pedestal 1, the stationary contact 32 is fixed on the upper end of the quiet spring of rigidity 31, and is in towards the one side for moving spring part, so as to it is dynamic
The movable contact 22 of spring part matches；The pedestal 1 is equipped with the second bearing wall 12, and the second bearing wall 12 is located at quiet corresponding to rigidity
The one side back to dynamic spring part of spring 31, and with the leaning on one side back to dynamic spring part of the quiet spring of rigidity 31.
In the present embodiment, the flexible connecting member 24 is made of one or more strands of copper wire or aluminum steel.Certainly, flexible to connect
Fitting can be also made of one or more layers copper foil or aluminium foil.
In the present embodiment, the both ends that the rigidity moves the top of spring leading foot 23 extend to 21 direction of rigid movable contact spring respectively
One lug 231, the top of the rigidity movable contact spring 21 are rotatably connected to the two of rigid dynamic spring leading foot 23 by shaft 25
Between a lug 231；That is, the top of rigid movable contact spring 21 is pivot joint be connected to two of the dynamic spring leading foot of rigidity 23 it is convex
Between ear 231.The top of rigid movable contact spring 21 bends out two auricles 211, and the ear of rigid movable contact spring 21 is through using shaft 25
Piece 211 and rigidity are moved in the lug 231 of spring leading foot 23, and the top of rigid movable contact spring 21 is made to be connected in pivot joint.
In the present embodiment, the pedestal 1 is respectively equipped with the first slot and the second slot, and the rigidity moves spring leading foot 23
It is inserted into the first slot and the second slot with rigid quiet spring 31 and is matched in interference mode respectively.
The electromagnetic relay further includes magnetic circuit part 4 and push card 5, and the push card 5 is connected to magnetic circuit part 4 and moves
Between spring part 2, and push card 5 is equipped with the card slot 51 for being used for coordinating dynamic spring part；The setting of the reverse force spring plate 26 is rigidly dynamic
Reed 21 corresponds to back in the one side of movable contact, the free extension of the rigidity movable contact spring 21 and reverse force spring plate 26
Coordinate together in the card slot 51 of push card.
In the present embodiment, arc extinguishing magnet steel 33 is also equipped with below the stationary contact 32 and 22 place of matching of movable contact.
In the present embodiment, the dynamic spring part 2 and quiet spring part 3 are respectively two, two quiet spring parts 3 and two dynamic springs
Part 2 is mounted on pedestal 1 side by side respectively, and two dynamic spring parts 2 are respectively fitting into the both sides of the pushing direction of push card 5.
A kind of electromagnetic relay that can resist thunder-strike current of the utility model, uses and is designed to dynamic spring part 2
Spring leading foot 23 is moved including rigid movable contact spring 21, movable contact 22 and rigidity；And the top of rigidity movable contact spring 21 is connected in pivot joint, institute
The lower end that movable contact 22 is fixed on rigid movable contact spring 21 is stated, the rigidity is moved spring leading foot 23 and is inserted on pedestal 1 and in the back of the body
For the side of movable contact 22；It is also connected with an energy between the upper end that spring leading foot 23 is moved in the upper end of rigid movable contact spring 21 and rigidity
This structure of enough conductive flexible connecting members 24, the utility model can utilize flexible connecting member 24 to make rigid movable contact spring 21
The articulated section rotation that lower end (connecting at movable contact) can surround rigid movable contact spring 21 (realizes contact of the movable contact with stationary contact
Or separation), and so that rigid movable contact spring 21, flexible connecting member 24 and rigidity is moved spring leading foot 23 and connect into U-shaped shape, when U-shaped shape
When electric current is flowed through in the dynamic spring part 2 of shape, will produce makes the outward Lorentz force of U-shaped shape, for rigid movable contact spring 21
It says, will produce the power moved to 32 direction of stationary contact, so as to flow through the dynamic spring part when institute of U-shaped shape using thunder-strike current
The Lorentz force of generation goes to resist thunder-strike current Hall nurse power caused by contact surface, ensures the stabilization of sound contact
Property, ensure that the stability of electromagnetic relay performance.
A kind of electromagnetic relay that can resist thunder-strike current of the utility model uses and is equipped with first in pedestal 1
Wall 11 is held, and the first bearing wall 11 is located at the one side back to rigid movable contact spring 21 that spring leading foot 23 is moved corresponding to rigidity, and
The leaning on one side back to rigid movable contact spring 21 of spring leading foot 23 is moved with rigidity.This structure of the utility model, works as lightning stroke
When electric current flows through the dynamic spring part of U-shaped shape and generates Lorentz force, using pedestal 1 to the dynamic spring leading foot of rigidity 23 back to rigid
Property movable contact spring 21 one side support so that Lorentz force can make rigid movable contact spring 21 (i.e. dynamic to touch towards the direction movement of stationary contact 32
Point 22 is moved towards the direction of stationary contact 32), it can preferably realize the purpose for resisting thunder-strike current.The utility model uses
In rigid movable contact spring 21, it is being also equipped with reverse force spring plate 26 on one side corresponding to back in movable contact 22, push card 5 is logical when pushing
Promotion reverse force spring plate 26 is crossed to push rigid movable contact spring 21 to be moved to 31 direction of quiet spring, to generate overtravel.
A kind of electromagnetic relay that can resist thunder-strike current of the utility model, can be by adjusting rigid movable contact spring 21
The distance between spring leading foot 23 is moved to adjust Lorentz force with rigidity, Lorentz force is made to be more than Hall nurse power, ensures lightning stroke electricity
Movable contact and stationary contact cannot come off when stream, and the single group contact of the utility model can resist the thunder-strike current of 10kA, two groups of contacts
Parallel connection can resist the thunder-strike current of 20kA.
The preferred embodiment of above-mentioned only the utility model, does not impose any limitation on the present invention.Though
So the utility model has been disclosed with preferred embodiment as above, however is not limited to the utility model.It is any to be familiar with this field
Technical staff, in the case where not departing from technical solutions of the utility model range, all using the technology contents of the disclosure above
Many possible changes and modifications are made to technical solutions of the utility model, or are revised as equivalents equivalent embodiment.Therefore,
Every content without departing from technical solutions of the utility model, according to made to the above embodiment of the utility model technical spirit
What simple modification, equivalent variation and modification, should all fall in the range of technical solutions of the utility model are protected.
Claims (10)
1. a kind of electromagnetic relay that can resist thunder-strike current, including contact portion and pedestal；The contact portion includes dynamic
Spring part and quiet spring part, and dynamic spring part and quiet spring part are attached separately on pedestal and at matched position；It is special
Sign is：The dynamic spring part include rigid movable contact spring, movable contact, the dynamic spring leading foot of rigidity, flexible connecting member, reverse force spring plate and
Shaft；The top of the rigidity movable contact spring is connected by shaft in pivot joint, and the lower end of movable contact spring is enable to turn with respect to spindle central
Dynamic, the movable contact is fixed on the lower end of rigid movable contact spring, the rigidity move spring leading foot be inserted on pedestal and in back to
In the side of movable contact；Flexible connecting member is connected between the upper end of rigid movable contact spring and the upper end of the dynamic spring leading foot of rigidity, is made
Rigid movable contact spring, flexible connecting member and the dynamic spring leading foot of rigidity connect into U-shaped shape, so as to flow through U using thunder-strike current
Generated Lorentz force goes to resist thunder-strike current Hall nurse power caused by contact surface when the dynamic spring part of type shape.
2. the electromagnetic relay according to claim 1 that thunder-strike current can be resisted, it is characterised in that：The pedestal is set
Have the first bearing wall, the first bearing wall is located at the one side back to rigid movable contact spring corresponding to the dynamic spring leading foot of rigidity, and with it is rigid
Property dynamic spring leading foot leaning on one side back to rigid movable contact spring.
3. the electromagnetic relay according to claim 1 that thunder-strike current can be resisted, it is characterised in that：The quiet spring part
It being inserted on pedestal including the quiet spring of rigidity and stationary contact, the quiet spring of rigidity, the stationary contact is fixed on the upper end of the quiet spring of rigidity,
And it is in towards the one side for moving spring part, to be matched with the movable contact of dynamic spring part；The pedestal is equipped with the second bearing wall,
Second bearing wall is located at the one side back to dynamic spring part corresponding to the quiet spring of rigidity, and with the quiet spring of rigidity back to dynamic spring part
It leans on one side.
4. the electromagnetic relay according to claim 1 that thunder-strike current can be resisted, it is characterised in that：The flexible connection
Part is made of one or more strands of copper wire or aluminum steel.
5. the electromagnetic relay according to claim 1 that thunder-strike current can be resisted, it is characterised in that：The flexible connection
Part is made of one or more layers copper foil or aluminium foil.
6. the electromagnetic relay according to claim 1 that thunder-strike current can be resisted, it is characterised in that：The rigidity moves spring
The both ends at the top of leading foot extend a lug to rigid movable contact spring direction respectively, and the top of the rigidity movable contact spring is described in
Shaft is rotatably connected between two lugs of the dynamic spring leading foot of rigidity.
7. the electromagnetic relay according to claim 3 that thunder-strike current can be resisted, it is characterised in that：The pedestal point
Not She You the first slot and the second slot, the rigidity moves spring leading foot and the quiet spring of rigidity is inserted into the first slot and second respectively
It is matched in slot and in interference mode.
8. the electromagnetic relay according to claim 1 that thunder-strike current can be resisted, it is characterised in that：The electromagnetism relay
Device further includes magnetic circuit part and push card, and the push card is connected between magnetic circuit part and dynamic spring part, and push card is equipped with
For coordinating the card slot of dynamic spring part；Corresponding to back in the one of movable contact in rigid movable contact spring is arranged in the reverse force spring plate
Face, the rigidity movable contact spring and reverse force spring plate coordinate together in the card slot of push card.
9. the electromagnetic relay according to claim 3 that thunder-strike current can be resisted, it is characterised in that：The stationary contact with
Arc extinguishing magnet steel is also equipped with below the movable contact place of matching.
10. the electromagnetic relay according to claim 8 that thunder-strike current can be resisted, it is characterised in that：The dynamic spring portion
Divide and quiet spring part is respectively two, two quiet spring parts and two dynamic spring parts are mounted on pedestal side by side respectively, and two dynamic
Spring part is respectively fitting into the both sides of the pushing direction of push card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820471236.7U CN208014623U (en) | 2018-03-30 | 2018-03-30 | The electromagnetic relay of thunder-strike current can be resisted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820471236.7U CN208014623U (en) | 2018-03-30 | 2018-03-30 | The electromagnetic relay of thunder-strike current can be resisted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208014623U true CN208014623U (en) | 2018-10-26 |
Family
ID=63892148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820471236.7U Withdrawn - After Issue CN208014623U (en) | 2018-03-30 | 2018-03-30 | The electromagnetic relay of thunder-strike current can be resisted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208014623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321036A (en) * | 2018-03-30 | 2018-07-24 | 厦门宏发电声股份有限公司 | A kind of electromagnetic relay that can resist thunder-strike current |
-
2018
- 2018-03-30 CN CN201820471236.7U patent/CN208014623U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321036A (en) * | 2018-03-30 | 2018-07-24 | 厦门宏发电声股份有限公司 | A kind of electromagnetic relay that can resist thunder-strike current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20230523 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20230523 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |