CN207611722U - Probe of contactor arc extinguishing structure and arc-extinguish chamber - Google Patents
Probe of contactor arc extinguishing structure and arc-extinguish chamber Download PDFInfo
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- CN207611722U CN207611722U CN201721853091.9U CN201721853091U CN207611722U CN 207611722 U CN207611722 U CN 207611722U CN 201721853091 U CN201721853091 U CN 201721853091U CN 207611722 U CN207611722 U CN 207611722U
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- permanent magnet
- arc
- stationary contact
- contact
- stationary
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Abstract
The utility model is related to a kind of probe of contactor arc extinguishing structure and arc-extinguish chambers,Including spark chamber,Coordinate contact assembly in spark chamber,Contact assembly includes two in line stationary contacts being fixed in spark chamber and the moving contact for being movably set in two stationary contacts that are used to be turned on or off in spark chamber,Moving contact is placed in above stationary contact,It is respectively stationary contact a and stationary contact b to enable two stationary contacts,It is respectively provided with one piece of permanent magnet in the opposite sides side of stationary contact,Each equal corresponding matching of stationary contact has a pair of of permanent magnet,Line between two pieces of permanent magnets is vertical with the line direction of two stationary contacts,Forward it is arranged corresponding to the pole polarity between two permanent magnets of a stationary contact,And when current trend is from stationary contact a to stationary contact b in contact assembly,Before being towards the directions stationary contact b by stationary contact a then,Permanent magnet positioned at the left side magnetic pole opposite with the permanent magnet positioned at right side is respectively the poles S,The poles N.Realize that electric arc traction, arc quenching effect are good by the magnetic field of permanent magnet and electric arc.
Description
Technical field
The utility model is related to contactors, are specifically probe of contactor arc extinguishing structure and arc-extinguish chamber.
Background technology
Contactor broadly refers to flow through current induced magnetic field using coil in industrial electro, makes contact closure, to reach control
Make the electric appliance of load.Applied to electric power, distribution and electricity consumption occasion.
The band for promoting high-voltage DC contactor carries switching capability, needs the arc extinguishing ability for solving its contact system.And show
The arc extinguishing structure design of some D.C. contactors is unreasonable, and arc quenching effect under the conditions of high pressure, high power load can be poor.
Invention content
The present utility model purpose：To overcome defect of the existing technology, a kind of structure of the utility model offer to set
Meter is reasonable, the good probe of contactor arc extinguishing structure of arc quenching effect.
To achieve the above object, the utility model provides following technical solution：
A kind of probe of contactor arc extinguishing structure, including spark chamber and the contact assembly in spark chamber, contact assembly
Including two in line stationary contacts being fixed in spark chamber and be movably set in spark chamber for be turned on or off two it is quiet
The moving contact of contact, moving contact are placed in above stationary contact, and it is respectively stationary contact a and stationary contact b to enable two stationary contacts, and feature exists
In：It is respectively provided with one piece of permanent magnet in the opposite sides side of the stationary contact, each equal corresponding matching of stationary contact has a pair of of permanent magnet,
Line between two pieces of permanent magnets is vertical with the line direction of two stationary contacts, corresponds between two permanent magnets of a stationary contact
Pole polarity be forward arranged, and in contact assembly current trend be from stationary contact a to stationary contact b when, then by stationary contact a directions
Before the directions stationary contact b are, permanent magnet positioned at the left side magnetic pole opposite with the permanent magnet positioned at right side is respectively the poles S, the poles N.
By using above-mentioned technical proposal, by setting the permanent magnet that pole polarity is forward arranged in the both sides of stationary contact, two
Line between block permanent magnet is vertical with the line direction of two stationary contacts, and coordinates direction of current flow, one of stationary contact
Point is stationary contact a, and another stationary contact is stationary contact b, and electric current is flowed by stationary contact a towards stationary contact b（That is for just at stationary contact a
Pole）, then before being towards the directions stationary contact b by stationary contact a, it is located at the permanent magnet in the left side magnetic opposite with the permanent magnet positioned at right side
Pole is respectively the poles S, the poles N, realizes be located remotely from each other the electric arc at stationary contact a and stationary contact b to stationary contact a and stationary contact b one
Side（That is the outside of contact assembly）Traction, to effectively avoid the arc contacts at two stationary contacts and short-circuit, raising arc extinguishing effect
Fruit.
Preferably, it is equipped in the spark chamber and is arranged by several arc extinguishing grid pieces intervals along two stationary contact line direction arrangements
The arc extinguishing grid pieces group that cloth is constituted, one group of arc extinguishing grid pieces group is respectively provided in the outside that two stationary contacts are located remotely from each other.The structure design
Under, further increase arc quenching effect.
The utility model also provide it is a kind of being applicable in high-voltage DC contactor and the good arc-extinguish chamber of arc quenching effect, including case,
Case is equipped at least two spark chambers being arranged side by side, and spark chamber length direction end positions are equipped with arc-extinguishing mechanism, arc extinguishing
Mechanism includes arc extinction component, it is characterised in that：Arc-extinguishing mechanism at least one spark chamber further includes having electric arc to lead
Draw magnet assembly, electric arc traction magnet assembly includes the permanent magnet set on spark chamber width direction both sides, and two permanent magnets are opposite
And be arranged in parallel, the pole polarity of two permanent magnets is forward arranged.
By using above-mentioned technical proposal, it is applicable in high-voltage DC contactor, when in use, magnetic pole and the electric current side of permanent magnet
To being matched, spark chamber corresponds to contact disjunction position and sets permanent magnet, and permanent magnet, which is realized, leads electric arc to outside at contact disjunction
It leads at arc extinction component and realizes the extinguishing of electric arc, improve arc quenching effect, and compact-sized.
Preferably, the arc-extinguishing mechanism there are three spark chamber, being located in the spark chamber of two side positions is set on the case
Magnet assembly is drawn including electric arc, and the permanent magnet in the arc-extinguishing mechanism of two cuff permanent magnets positioned at the same side is arranged in the same direction.It should
Under structure design, in the case where three spark chambers design, contact disjunction position is corresponded to using the spark chamber in both sides and sets permanent magnet, simplified
Structure is convenient for the arrangement of permanent magnet.
Preferably, the case includes the case matrix with the spark chamber, and cover board, case are stamped in the bottom of case matrix
Matrix is equipped with the permanent magnet inserting groove extended along spark chamber short transverse, and permanent magnet inserting groove, which has, is located at case base bottom
Permanent magnet loading port, permanent magnet along permanent magnet loading port in the permanent magnet inserting groove, permanent magnet inserting groove and permanent magnet
Between be equipped with and ensure that the accurate permanent magnet of permanent magnet rigging position installs error-proof structure.Under the structure design, facilitate permanent magnet
Installation and the assembly of case.
Preferably, the permanent magnet installation error-proof structure includes fool proof notch and fool proof boss, and fool proof notch is set to forever
The side of spark chamber length direction is corresponded on magnet and is extended along spark chamber short transverse, and fool proof boss is set to permanent magnet inserting groove
It is interior and with fool proof notch along permanent magnet cartridge insertion direction inserting.Under the structure design, permanent magnet installation error-proof structure is simple, and cooperation can
It leans on.
Preferably, the permanent magnet inserting groove is also fitted with pressing plate, and pressing plate is set between permanent magnet and cover board.The structure is set
Under meter, it is solid and reliable in permanent magnet mounting groove to ensure that permanent magnet is placed in by cover board.
Preferably, it is equipped between the cover board and case matrix and ensures that cover board is correctly assemblied in the peace of the cover board on case matrix
Fill error-proof structure.Under the structure design, cover board installs error-proof structure and ensures that cover board rigging position is accurate, to ensure wiring standard
Really.
Preferably, cover board installation error-proof structure includes the upper protruding block being set on cover board and is set to case base bottom
On lower protruding block, upper protruding block and lower protruding block dislocation arrange and conflict is stacked when cover board is counter mounted on case matrix, set on the cover board
There is inserting pillar, plug-in opening is equipped on case base bottom, inserting pillar positioning and plug-in mounting is in plug-in opening.The structure design
Under, inserting pillar positioning and plug-in mounting in realizing cover board and case matrix location fit in plug-in opening, and cover board is counter fill when, upper protruding block
It stacks and offsets with lower protruding block, so that cover board is elevated jack-up and can not complete just when cover board is buckled in case base bottom
Often assembly.
Preferably, the cover board is identified equipped with current trend.Under the structure design, current trend mark plays prompt and makees
With, ensure that positive and negative anodes wiring is correct,
The utility model is further described below in conjunction with the accompanying drawings.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model specific embodiment probe of contactor arc extinguishing structure；
Fig. 2 is the dimensional structure diagram of the utility model specific embodiment arc-extinguish chamber；
Fig. 3 is the explosive view of the utility model specific embodiment arc-extinguish chamber；
Fig. 4 is the utility model specific embodiment upward view；
Fig. 5 is the sectional view along line A-A cutting in Fig. 4；
Fig. 6 is the utility model specific embodiment magnet structure schematic diagram；
Fig. 7 is the utility model specific embodiment covering plate structure schematic diagram；
Fig. 8 is the structural schematic diagram of the utility model specific embodiment permanent magnet inserting groove.
Specific implementation mode
Referring to attached drawing 1 ~ 8, a kind of probe of contactor arc extinguishing structure disclosed by the utility model, including spark chamber 51 and set
Contact assembly in spark chamber 51, contact assembly include two in line stationary contacts 1 being fixed in spark chamber 51 and activity
It is set to the moving contact 2 for two stationary contacts 1 that are turned on or off in spark chamber, moving contact 2 is placed in 1 top of stationary contact, enables two
A stationary contact is respectively stationary contact a and stationary contact b, is respectively provided with one piece of permanent magnet 3 in the opposite sides side of the stationary contact 1, often
1 equal corresponding matching of a stationary contact has a pair of of permanent magnet 3, the line direction of line and two stationary contacts 1 between two pieces of permanent magnets 3
Vertically, forward it is arranged corresponding to the pole polarity between two permanent magnets 3 of a stationary contact 1, and current trend in contact assembly
When for from stationary contact a to stationary contact b, then before being towards the directions stationary contact b by stationary contact a, it is located at permanent magnet 3-1 and the position in left side
In the opposite magnetic poles of the permanent magnet 3-2 on right side be respectively the poles S, the poles N.Forward it is arranged by setting pole polarity in the both sides of stationary contact
Permanent magnet, the line between two pieces of permanent magnets is vertical with the line direction of two stationary contacts, and coordinates direction of current flow,
In stationary contact be stationary contact a, another stationary contact is stationary contact b, and electric current is flowed by stationary contact a towards stationary contact b（That is stationary contact
It is anode at point a）, then before being towards the directions stationary contact b by stationary contact a, it is located at the permanent magnet in left side and the permanent magnetism positioned at right side
The opposite magnetic pole of body is respectively the poles S, the poles N, is realized the electric arc at stationary contact a and stationary contact b to stationary contact a and stationary contact b phases
Mutually separate side（That is the outside of contact assembly）Traction, rapid elongation arc length simultaneously enter arc extinguishing component, improve arc extinguishing effect
Fruit.
It is equipped in the spark chamber and is intervally arranged by several arc extinguishing grid pieces 411 along the arrangement of two stationary contact line directions
The arc extinguishing grid pieces group 41 of composition is respectively provided with one group of arc extinguishing grid pieces group 41 in the outside that two stationary contacts 1 are located remotely from each other.Using arc extinguishing
Grid structure plays arc extinguishing, realizes electric arc guiding and extinguishing well.The structure of arc extinction is realized in certain the utility model
It is not limited only to the arc chute chip architecture design of this specific embodiment, other structures design can also be used, cooperation permanent magnet is to electric arc
Traction, realize electric arc quickly extinguish, improve the interrupting performance of contactor.
The utility model also provide it is a kind of being applicable in high-voltage DC contactor and the good arc-extinguish chamber of arc quenching effect, including case 5,
It is set on case 5 there are three the spark chamber 51 being arranged side by side, 51 length direction end positions of spark chamber are equipped with arc-extinguishing mechanism, arc extinguishing
Mechanism includes arc extinction component, and the arc-extinguishing mechanism in the spark chamber 51 of two side positions further includes electric arc traction magnet
Component, electric arc traction magnet assembly include the permanent magnet 3 set on 51 both sides width direction X of spark chamber, and two permanent magnets 3 are relatively simultaneously
Parallel arrangement, the pole polarity of two permanent magnets 3 are forward arranged, and are located at the same side in the arc-extinguishing mechanism of two cuff permanent magnets 3
Permanent magnet 3 in the same direction arrange（As shown in Figure 3）.It is applicable in high-voltage DC contactor, the spark chamber in both sides corresponds to contact disjunction position
Permanent magnet is installed, when in use, the magnetic pole of permanent magnet is matched with current direction, as described above with matching for electric current
Arc extinguishing structure（As shown in Figure 1）, permanent magnet, which is realized, carries out electric arc at outer side-lining to arc extinction component at contact disjunction
Arc extinction improves arc quenching effect, and compact-sized.Wherein grid plate structure form can be used in arc extinction component, specifically, packet
Arc extinction gas chamber 42 is included, arc extinguishing grid pieces group 41 is equipped in arc extinction gas chamber 42, arc extinguishing grid pieces group 41 includes several along arc extinguishing
The arc extinguishing grid pieces 411 that cavity length direction Y is intervally arranged are equipped with arc extinguishing grid pieces slot, arc extinguishing grid pieces 411 in arc extinction gas chamber 42
It is inserted into arc extinguishing grid pieces slot.Certainly realize that the arc extinction component of arc extinction is not limited only to this specific embodiment structure and sets
Other structures design also can be used in meter.Two spark chambers 51 or four can be also set on certain case and more than four gone out
Arc chamber 51 is arranged with adapting to different numbers of poles, magnet assembly is drawn using above-mentioned electric arc is at least set in a spark chamber, according to need
Magnet assembly is drawn in corresponding spark chamber 51 by setting electric arc.
In this specific embodiment, the case 5 includes the case matrix 5-1 with the spark chamber 51, case matrix 5-1's
Cover board 5-2 is stamped in bottom, and case matrix 5-1 is equipped with the permanent magnet inserting groove 5-11 extended along spark chamber short transverse Z, permanent magnetism
There is body inserting groove 5-11 the permanent magnet loading port positioned at the bottoms case matrix 5-1, permanent magnet 3 to be flush-mounted in along permanent magnet loading port
It is equipped in permanent magnet inserting groove 5-11, between permanent magnet inserting groove 5-11 and permanent magnet 3 and ensures that permanent magnet rigging position is accurate
Permanent magnet installs error-proof structure.Facilitate the installation of permanent magnet and the assembly of case.
The permanent magnet installation error-proof structure includes that fool proof notch 31 and fool proof boss 5-111, fool proof notch 31 are set to
The side of spark chamber length direction Y is corresponded on permanent magnet 3 and is extended along spark chamber short transverse Z, and fool proof boss 5-111 is set to forever
Along 3 cartridge insertion direction inserting of permanent magnet in magnet inserting groove 5-11 and with fool proof notch 31.Permanent magnet installation error-proof structure is simple, matches
It closes reliable.Certainly it can also be that bottom salient point and pit are matched to be used as the feasible scheme of the utility model, permanent magnet installation error-proof structure
Conjunction or the pillar on permanent magnet and the counterbore etc. in permanent magnet slot.But it is designed using notch and boss, structure
Simple and compact, when incorrect orientation is assembled, permanent magnet can not be caught in permanent magnet inserting groove, avoid being caught in by force.
Wherein, the permanent magnet inserting groove 5-11 is also fitted with pressing plate 6, and pressing plate 6 is set between permanent magnet 3 and cover board 5-2,
I.e. pressing plate is inserted into permanent magnet inserting groove and pushes down permanent magnet, covers cover board back shroud later and pushes down pressing plate.Ensure by cover board
Permanent magnet is placed in solid and reliable in permanent magnet mounting groove.
As further, current trend mark is set on cover board 5-2, is identified using positive and negative anodes in attached drawing, can also be adopted certainly
It is arranged with arrow, to play wiring indicative function after arc-extinguish chamber 5 is loaded on contactor.
It is equipped between the cover board 5-2 and case matrix 5-1 and ensures that cover board 5-2 is correctly assemblied on case matrix 5-1
Cover board installs error-proof structure.Cover board installs error-proof structure and ensures that cover board rigging position is accurate, to ensure that wiring is accurate.The lid
Plate installation error-proof structure includes the upper protruding block 5-22 being set on cover board 5-2 and the lower protruding block on the bottoms case matrix 5-1
5-12, upper protruding block 5-22 and lower protruding block 5-12 dislocation arrangement are simultaneously stacked conflict when cover board 5-2 is counter mounted on case matrix 5-1,
Cover board 5-2 is equipped with inserting pillar 5-23, and plug-in opening 5-13, the 5-23 positioning of inserting pillar are equipped on the bottoms case matrix 5-1
It is plugged in plug-in opening 5-13.Pillar positioning and plug-in mounting is inserted in realization cover board and case matrix location fit in plug-in opening, and
Cover board is anti-when filling, and upper protruding block and lower protruding block are stacked and offseted, so that cover board is lifted when cover board is buckled in case base bottom
Height jacks up and can not complete normally to assemble.The arc-extinguish chamber of the utility model is simple, and assembly manipulation is convenient.
Claims (10)
1. a kind of probe of contactor arc extinguishing structure, including spark chamber and the contact assembly in spark chamber, contact assembly packet
It includes two in line stationary contacts being fixed in spark chamber and is movably set in spark chamber for two stationary contacts that are turned on or off
The moving contact of point, moving contact are placed in above stationary contact, and it is respectively stationary contact a and stationary contact b to enable two stationary contacts, and feature exists
In：It is respectively provided with one piece of permanent magnet in the opposite sides side of the stationary contact, each equal corresponding matching of stationary contact has a pair of of permanent magnet,
Line between two pieces of permanent magnets is vertical with the line direction of two stationary contacts, corresponds between two permanent magnets of a stationary contact
Pole polarity be forward arranged, and in contact assembly current trend be from stationary contact a to stationary contact b when, then by stationary contact a directions
Before the directions stationary contact b are, permanent magnet positioned at the left side magnetic pole opposite with the permanent magnet positioned at right side is respectively the poles S, the poles N.
2. probe of contactor arc extinguishing structure according to claim 1, it is characterised in that：It is equipped with by several edges in the spark chamber
The arc extinguishing grid pieces of two stationary contact line directions arrangement are intervally arranged the arc extinguishing grid pieces group of composition, are located remotely from each other in two stationary contacts
Outside be respectively provided with one group of arc extinguishing grid pieces group.
3. a kind of arc-extinguish chamber, including case, case is equipped at least two spark chambers being arranged side by side, spark chamber length direction two
End position is equipped with arc-extinguishing mechanism, and arc-extinguishing mechanism includes arc extinction component, it is characterised in that：In at least one spark chamber
Arc-extinguishing mechanism further include have electric arc draw magnet assembly, electric arc draw magnet assembly include be set to spark chamber width direction both sides
Permanent magnet, two permanent magnets are opposite and are arranged in parallel, and the pole polarity of two permanent magnets is forward arranged.
4. arc-extinguish chamber according to claim 3, it is characterised in that：It is set on the case there are three spark chamber, is located at both sides position
The arc-extinguishing mechanism in the spark chamber set includes electric arc traction magnet assembly, and is located in the arc-extinguishing mechanism of two cuff permanent magnets
The permanent magnet of the same side is arranged in the same direction.
5. according to the arc-extinguish chamber of claim 3 or 4, it is characterised in that：The case includes the case base with the spark chamber
Cover board is stamped in the bottom of body, case matrix, and case matrix is equipped with the permanent magnet inserting groove extended along spark chamber short transverse, forever
There is magnet inserting groove the permanent magnet loading port positioned at case base bottom, permanent magnet to be flush-mounted in permanent magnet along permanent magnet loading port
It is equipped in inserting groove, between permanent magnet inserting groove and permanent magnet and ensures that the accurate permanent magnet of permanent magnet rigging position installs fool proof knot
Structure.
6. arc-extinguish chamber according to claim 5, it is characterised in that：Permanent magnet installation error-proof structure include fool proof notch with
And fool proof boss, fool proof notch, which is set to, to be corresponded to the side of spark chamber length direction on permanent magnet and prolongs along spark chamber short transverse
It stretches, fool proof boss is set in permanent magnet inserting groove and with fool proof notch along permanent magnet cartridge insertion direction inserting.
7. arc-extinguish chamber according to claim 6, it is characterised in that：The permanent magnet inserting groove is also fitted with pressing plate, and pressing plate is set
Between permanent magnet and cover board.
8. arc-extinguish chamber according to claim 5, it is characterised in that：It is equipped between the cover board and case matrix and is ensureing cover board just
The cover board installation error-proof structure being really assemblied on case matrix.
9. arc-extinguish chamber according to claim 8, it is characterised in that：The cover board installation error-proof structure includes being set on cover board
Upper protruding block and the lower protruding block on case base bottom, upper protruding block and lower protruding block dislocation arrange and are counter mounted on case in cover board
It is stacked conflict when matrix, is equipped with inserting pillar on the cover board, plug-in opening is equipped on case base bottom, inserting pillar positioning is inserted
Loaded in plug-in opening.
10. arc-extinguish chamber according to claim 5, it is characterised in that：The cover board is identified equipped with current trend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853091.9U CN207611722U (en) | 2017-12-26 | 2017-12-26 | Probe of contactor arc extinguishing structure and arc-extinguish chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853091.9U CN207611722U (en) | 2017-12-26 | 2017-12-26 | Probe of contactor arc extinguishing structure and arc-extinguish chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207611722U true CN207611722U (en) | 2018-07-13 |
Family
ID=62798237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721853091.9U Active CN207611722U (en) | 2017-12-26 | 2017-12-26 | Probe of contactor arc extinguishing structure and arc-extinguish chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207611722U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360755A (en) * | 2018-11-26 | 2019-02-19 | 北京人民电器厂有限公司 | Arc-extinguishing mechanism and dc circuit breaker |
| CN113161194A (en) * | 2021-04-02 | 2021-07-23 | 西安交通大学 | Contact structure system with end part cambered surface and vacuum arc-extinguishing chamber applying same |
-
2017
- 2017-12-26 CN CN201721853091.9U patent/CN207611722U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109360755A (en) * | 2018-11-26 | 2019-02-19 | 北京人民电器厂有限公司 | Arc-extinguishing mechanism and dc circuit breaker |
| CN113161194A (en) * | 2021-04-02 | 2021-07-23 | 西安交通大学 | Contact structure system with end part cambered surface and vacuum arc-extinguishing chamber applying same |
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