CN208433350U - Single-break direct-acting contactor - Google Patents
Single-break direct-acting contactor Download PDFInfo
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- CN208433350U CN208433350U CN201820640678.XU CN201820640678U CN208433350U CN 208433350 U CN208433350 U CN 208433350U CN 201820640678 U CN201820640678 U CN 201820640678U CN 208433350 U CN208433350 U CN 208433350U
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Abstract
The utility model provides a kind of single-break direct-acting contactor, dynamic iron core is equipped in it, static iron core and contact are supported, the contact support is connected with the dynamic iron core, moving contact is actively equipped in the cavity that the contact is supported, the moving contact can be supported to move with the contact, and it can contact or separate with the static contact being fixed in single-break direct-acting contactor, the side of the moving contact is connected with flexible conductor by connecting plate, its other side is connected with dynamic arc striking piece, the flexible conductor is arranged by the connecting plate and the dynamic arc striking piece interval, quiet arc striking piece is connected on the static contact；The arc extinguishing structure positioned at the moving contact other side is additionally provided in the single-break direct-acting contactor, the arc extinguishing structure is located at the top of the quiet arc striking piece, and the dynamic arc striking piece is arranged towards the arc extinguishing structure.The single-break direct-acting contactor of the utility model, arc extinguishing ability is high, the high reliablity and service life is long.
Description
Technical field
The utility model relates to contactor technical field more particularly to a kind of single-break direct-acting contactors.
Background technique
A kind of contactor control electric appliance big, wide as amount, is mainly used in control circuit, remote connection, disjunction
Disjunction etc. in circuit and control motor starting, stopping or operating, and can be with electrothermal relay appropriate or electronic protecting device
It is combined into motor starter, protects the circuit that may be overloaded, light industry is widely used in, metallurgy, chemical industry, coal mine, machinery, rises
The industries such as weight, railway, ship, communication.
Currently, existing single-break direct-acting contactor is placed on using double arc extinguishing chambers structure, moving contact and static contact
The fixed dynamic arc striking piece in the centre and moving contact that contact is supported and with the fixed quiet arc striking piece of static contact using double arc leading angles, be
Guarantee the movement of direct acting up and down of contact, flexible conductor is fixed on contact plate, closer from silver point.
Existing single-break direct-acting contactor has the following problems:
1) arc leading angle can only upper and lower direct acting, striking distance opened by contactor away from determining, limits the arc extinguishing energy of contactor
Power.
2) although there are two arc-chutes for double arc extinguishing chambers structure, when contactor disjunction, electric arc can only be introduced into every time
In one arc-chutes, therefore only one arc-chutes plays the role of arc extinguishing every time；In addition, when contactor is attracted, under flexible conductor
The arc-chutes of side can generate interference to flexible conductor, while when electric arc introduces the arc-chutes, can also generate ablation to the flexible conductor,
Lead to flexible conductor high temperature ageing, reduce the service life of flexible conductor, to reduce the service life of contactor.
Utility model content
The purpose of the utility model is to provide a kind of single-break direct-acting contactor, arc extinguishing ability is high, high reliablity and
Service life is long.
Following technical proposal can be used to realize in the above-mentioned purpose of the utility model:
The utility model provides a kind of single-break direct-acting contactor, and interior dynamic iron core, static iron core and the contact of being equipped with is supported,
The contact support is connected with the dynamic iron core, and moving contact, the moving contact are actively equipped in the cavity that the contact is supported
It can support to move with the contact, and can contact or separate with the static contact being fixed in single-break direct-acting contactor,
The side of the moving contact is connected with flexible conductor by connecting plate, and the other side is connected with dynamic arc striking piece, and the flexible conductor passes through
The connecting plate and the dynamic arc striking piece interval are arranged, and are connected with quiet arc striking piece on the static contact；The single-break Direct Action Type
The arc extinguishing structure positioned at the moving contact other side is additionally provided in contactor, the arc extinguishing structure is located at the upper of the quiet arc striking piece
Side, the dynamic arc striking piece are arranged towards the arc extinguishing structure.
In the embodiments of the present invention, the moving contact is connected to the contact by elastic component and supports,
In the state of the moving contact and the static contact disjunction, the dynamic arc striking piece, can court under the pressure effect of the flexible conductor
Direction far from the arc extinguishing structure deviates.
In the embodiments of the present invention, the dynamic arc striking piece has dynamic striking elevation angle end, the dynamic striking elevation angle
End is equipped with the first dynamic striking slot, and the first dynamic striking slot is arranged towards the arc extinguishing structure.
In the embodiments of the present invention, the second dynamic striking slot is additionally provided on the dynamic arc striking piece, described second is dynamic
One side of the dynamic arc striking piece towards the static contact is arranged in striking slot.
In the embodiments of the present invention, the dynamic arc striking piece has the first guide groove, the sky that the contact is supported
Chamber has the second guide groove, and first guide groove and second guide groove cooperate, so that the dynamic arc striking piece can be movably
It is arranged in the cavity that the contact is supported.
In the embodiments of the present invention, connecting plate is also connected on the static contact, the quiet arc striking piece is located at
The top of the connecting plate.
In the embodiments of the present invention, the quiet arc striking piece has quiet striking elevation angle end, the quiet striking elevation angle
End is equipped with the first quiet striking slot, and the first quiet striking slot is arranged towards the arc extinguishing structure.
In the embodiments of the present invention, the quiet striking elevation angle end is additionally provided with the second quiet striking slot, and described second
Quiet striking slot is connected with the described first quiet striking slot, and the second quiet striking slot is to be provided on the quiet striking elevation angle end
Through slot up and down.
In the embodiments of the present invention, the arc extinguishing structure includes: arc-chutes and is arranged in the arc-chutes
Spaced multiple arc extinguishing grid pieces, the arc extinguishing grid pieces have striking slot, and the striking slot sets towards the dynamic arc striking piece
It sets.
In the embodiments of the present invention, the striking slot includes the first striking slot and the second striking slot, and described the
Two striking slots are the groove for being provided with the first striking slot slot bottom.
The characteristics of single-break direct-acting contactor of the utility model and advantage are: the single-break Direct Action Type of the utility model
Contactor, flexible conductor are fixed on the connecting plate for being connected to moving contact, and the connecting pin distance of the flexible conductor and connecting plate is dynamic to draw
Arcs have a certain distance, and when the single-break direct-acting contactor disjunction, flexible conductor can generate flexible deformation, to coupled
Connecting plate generate certain lever force, so that the dynamic arc striking piece towards arc extinguishing structure is generated relative to the center of moving contact certain
Deviation angle, striking distance is increased, so compared with the existing technology, the arc extinguishing structure of the utility model can be done more
The quantity of height, arc extinguishing grid pieces can be more, greatly improve arc extinguishing ability.Compared with the existing technology, the soft of the utility model is led
There is no arc extinguishing structure below body, without the components of other influences flexible conductor movement, ensure that flexible conductor is supported with contact yet
The reliability of contactor can be increased with flexible motion.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the single-break direct-acting contactor of the utility model.
Fig. 2 is the attachment structure schematic diagram of the moving contact of the utility model, static contact and arc extinguishing structure.
Fig. 3 is the attachment structure schematic diagram of the moving contact of the utility model, connecting plate and dynamic arc striking piece.
Fig. 4 is the structural schematic diagram of the dynamic arc striking piece of the utility model.
Fig. 5 is the structural schematic diagram for the cavity that the contact of the utility model is supported.
Fig. 6 is the structural schematic diagram of the dynamic arc striking piece of the utility model and the cavity cooperation of contact support.
Fig. 7 is the attachment structure schematic diagram of the static contact of the utility model, quiet arc striking piece and connecting plate.
Fig. 8 is the structural schematic diagram of the quiet arc striking piece of the utility model.
Fig. 9 is the structural schematic diagram of the arc extinguishing structure of the utility model.
Figure 10 is the structural schematic diagram of the arc extinguishing grid pieces of the arc extinguishing structure of the utility model.
Drawing reference numeral explanation: 1, dynamic iron core；2, static iron core；3, contact is supported；31, cavity；311, the second guide groove；312,
Guide part；4, moving contact；41, connecting plate；42, flexible conductor；43, arc striking piece is moved；431, striking elevation angle end；432, interconnecting piece；
433, the first dynamic striking slot；434, the second dynamic striking slot；435, the first guide groove；436, connecting hole；44, elastic component；5, stationary contact
Head；51, quiet arc striking piece；511, quiet striking elevation angle end；512, the first quiet striking slot；513, the second quiet striking slot；52, connecting plate；
6, arc extinguishing structure；61, arc-chutes；62, arc extinguishing grid pieces；621, striking slot；622, the first striking slot；623, the second striking slot；7,
Coil；8, spring；10, shell；101, connecting plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model provides a kind of single-break direct-acting contactor, it is interior to be equipped with dynamic iron core 1, quiet iron
Core 2 and contact support 3, and the contact supports that 3 are connected with the dynamic iron core 1, actively set in the cavity 31 of the contact support 3
Have a moving contact 4, the moving contact 4 can support that 3 is mobile with the contact, and can be fixed at single-break direct-acting contactor
The side of the interior contact of static contact 5 or separation, the moving contact 4 is connected with flexible conductor 42 by connecting plate 41, and the other side connects
It is connected to dynamic arc striking piece 43, the flexible conductor 42 is arranged by the connecting plate 41 and the dynamic interval of arc striking piece 43, the stationary contact
Quiet arc striking piece 51 is connected on first 5；Going out positioned at 4 other side of moving contact is additionally provided in the single-break direct-acting contactor
Arc structure 6, the arc extinguishing structure 6 are located at the top of the quiet arc striking piece 51, and the dynamic arc striking piece 43 is towards the arc extinguishing structure 6
Setting.When moving contact 4 moves upwards, during separating with static contact 7, the connecting plate 41 of 4 side of moving contact is by flexible conductor 42
Pull and tilt down movement, the upward banking motion of dynamic arc striking piece 43 of 4 other side of moving contact.
Specifically, the single-break direct-acting contactor has shell 10, dynamic iron core 1, static iron core 2, contact support 3, dynamic touching
First 4, static contact 5 and arc extinguishing structure 6 are respectively positioned in shell 10.Wherein, static iron core 2 is fixed in shell 10, static iron core 2
Outside is equipped with coil 7, and dynamic iron core 1 is located at the top of static iron core 2, is connected to contact and supports on 3, dynamic iron core 1 and shell 10 it
Between be folded with reset spring 8；Moving contact 4 be arranged in contact support 3 cavity 31 in, in the present invention, moving contact 4 it is upper
End is connected to contact by elastic component 44 and supports on 3, which may be, for example, spring, and moving contact 4 can support 3 to move with contact
It is dynamic；Static contact 5 is fixed in shell 10, and between moving contact 4 and dynamic iron core 1, which can be with moving contact 4
Contact or separation.
As shown in Figures 2 and 3, the side of moving contact 4 is connected with connecting plate 41, one end and 41 phase of connecting plate of flexible conductor 42
Even, the other end of flexible conductor 42 is connected with the connecting plate 101 for being connected with power outlet end；The other side of moving contact 4 connects
There is arc striking piece 43, which is fixed on connecting plate 41 and forms an overall structure with moving contact 4, moving contact 4,
Connecting plate 41 and dynamic arc striking piece 43 by technology mode welding or riveting such as can be fixed together.In the present embodiment, such as
Shown in Fig. 4, moving arc striking piece 43 has integrally formed striking elevation angle end 431 and interconnecting piece 432, and the striking elevation angle end 431 is opposite
Interconnecting piece 432 is arranged to curving towards arc extinguishing structure 6, which tilts upwards, namely towards remote
Upper end end from arc extinguishing structure 6 is bent setting, wherein the striking elevation angle end 431 is equipped with the first dynamic striking slot 433, this first
Dynamic striking slot 433 is the groove that 431 lower surface of striking elevation angle end is arranged in, and is arranged towards arc extinguishing structure 6.
The moving contact 4 is used to carry electric current, and the striking elevation angle end 431 of the dynamic arc striking piece 43 is used to be oriented to the movement side of electric arc
To so that electric arc to be introduced into arc extinguishing structure 6, which can pull electric arc longer, make arc motion more
It is smooth, conducive to the extinguishing of electric arc.When contactor disjunction, the electric arc of generation can be along be arranged on striking elevation angle end 431
One dynamic striking slot 433 enters arc extinguishing structure 6, which can generate certain magnetic blow-out effect, allow electric arc faster,
It is more easily introduced in arc extinguishing structure 6.
Further, it is additionally provided with the second dynamic striking slot 434 on the interconnecting piece 432 of dynamic arc striking piece 43, the second dynamic striking
The interconnecting piece 432 of dynamic arc striking piece 43 is arranged in towards on the one side of static contact 5 in slot 434.In the present embodiment, the second dynamic striking
Slot 434 is two, sets up the two sides opposite in 432 front and back of interconnecting piece separately, the middle part of interconnecting piece 432 is formed with to be inserted into for moving contact 4
Connecting hole 436.The second dynamic striking slot 434 supports 3 for preventing electric arc to be introduced in contact.
Further, please refer to shown in Fig. 5 and Fig. 6, dynamic arc striking piece 43 also has the first guide groove 435, contact
Support 3 cavity 31 that there is the second guide groove 311, first guide groove 435 and the second guide groove 311 cooperate, so that dynamic striking
Piece 43 can be movably arranged in the cavity 31 of contact support 3.Three cavitys 31 are delineated in Fig. 5, are respectively used to three groups not
Same moving contact 4, the utility model are only illustrated by taking a cavity 31 as an example.In the present embodiment, in dynamic arc striking piece 43
Set on interconnecting piece 432 there are two the first guide groove 435, two the first guide grooves 435 set up separately 432 front and back of interconnecting piece it is opposite two
Side, the contact support to be equipped with two the second guide grooves 311 being oppositely arranged in 3 each cavity 31, each second guide groove 311
Middle part is equipped with guide part 312, and when dynamic arc striking piece 43 moves in cavity 31, the first guide groove 435 can be in the second guide groove 311
Interior to move along guide part 312, the first guide groove 435 and the second guide groove 311 can play the role of limiting dynamic arc striking piece 43,
So that moving contact 4 being capable of the smooth movement in the cavity 31 that contact supports 3.When moving contact 4 is in the cavity 31 of contact support 3
When interior movement, motion profile is more accurate, and when moving contact 4 and static contact 5 are closed, contact position is more nearly Theoretical Design
Contact central area, reduce centre deviation when moving contact 4 and static contact 5 are closed, guarantee maximum contact area, thus
Reduce contact resistance, reduce temperature rise in use process, reduces electric energy loss.
In the present invention, flexible conductor 42 is arranged by connecting plate 41 and dynamic arc striking piece 43 interval, since moving contact 4 is logical
It crosses elastic component 44 to be connected in contact support 3, in moving contact 4 and 5 disjunction of static contact, which can be in flexible conductor 42
Pressure effect under, towards far from arc extinguishing structure 6 direction deviate.That is, when moving contact 4 moves separate with static contact 5 upward,
Moving contact 4 will drive connecting plate 41 and move up, and then flexible conductor 42 can be made to compress and generate elastic force, and flexible conductor 42 pushes connecting plate
41, because the fixation position of flexible conductor 42 and connecting plate 41 is to having a certain distance between dynamic arc striking piece 43, thick stick is generated to moving contact 4
Stick force, the spring energy that flexible conductor 42 generates drive the striking elevation angle end 431 of dynamic arc striking piece 43 to be upturned by connecting plate 41, quite
In tilting striking elevation angle end 431 towards the direction far from arc extinguishing structure 6, so that electric arc is elongated, it can reach and faster extinguish electricity
The purpose of arc.
As shown in fig. 7, being connected with quiet arc striking piece 51 on static contact 5, connecting plate 52 is also connected on the static contact 5, it is quiet to draw
Arcs 51 are located at the top of connecting plate 52, which is fixed on connecting plate 52 and forms an entirety with static contact 5
Structure, static contact 5, quiet arc striking piece 51 and connecting plate 52 such as can by welding or riveting technology mode be fixed together.It is quiet
Arc striking piece 51 and connecting plate 52 are located at the lower section of arc extinguishing structure 6.
Please refer to shown in Fig. 8, which has a quiet striking elevation angle end 511, on the quiet striking elevation angle end 511
Equipped with the first quiet striking slot 512, which is the groove for being provided with 511 upper surface of quiet striking elevation angle end, court
It is arranged to arc extinguishing structure 6.Further, it is additionally provided with the second quiet striking slot 513 on the quiet striking elevation angle end 511, this second quiet draws
Arc slot 513 is connected with the first quiet striking slot 512, and in the present embodiment, which is to be provided with quiet striking to face upward
Through slot up and down on angle end 511.
For carrying electric current, the quiet striking elevation angle end 511 of the quiet arc striking piece 51 is arranged the static contact 5 towards arc extinguishing structure 6,
Its direction of motion for being used to be oriented to electric current makes electric arc be easy to extinguish, connecting plate 52 so that electric arc to be introduced into arc extinguishing structure 6
For being connected with power inleting terminal；When moving contact 4 and 5 disjunction of static contact, the electric arc of generation can be along quiet striking elevation angle end 511
On the first quiet striking slot 512, the second quiet striking slot 513 enters in arc extinguishing structure 6.The quiet striking elevation angle of the quiet arc striking piece 51
End 511 and the first quiet striking slot 512 and the second quiet striking slot 513 thereon can reach and pull electric arc longer, makes electric arc
Moving more smoothly purpose, wherein the first quiet striking slot 512 and the second quiet striking slot 513 can produce certain magnetic blow-out effect,
Electric arc is allowed faster, to be more easily introduced in arc extinguishing structure 6.
As shown in figure 9, arc extinguishing structure 6 is located at the top of quiet arc striking piece 51 comprising arc-chutes 61 and setting are in arc-chutes
Spaced multiple arc extinguishing grid pieces 62 in 61, arc extinguishing grid pieces 62 have striking slot 621, and striking slot 621 is towards dynamic arc striking piece
43 settings.In the present embodiment, multiple 62 lateral separations of arc extinguishing grid pieces are placed in arc-chutes 61, and it is most lower to be located at arc extinguishing structure 6
The arc extinguishing grid pieces 62 in face are located at the top of quiet arc striking piece 51, and the striking slot 621 of arc extinguishing grid pieces 62 is arranged towards dynamic arc striking piece 43.
In the present invention, as shown in Figure 10, striking slot 621 includes the first striking slot 622 and the second striking slot 623,
First striking slot 622 is the groove for being provided with 62 side of arc extinguishing grid pieces, and the second striking slot 623 is to be provided with the first striking slot 622
The groove of slot bottom, the first striking slot 622 are connected with the second striking slot 623.The first striking slot 622 and the second striking slot 623
Be conducive to the introducing of electric arc, can guarantee the arc extinguishing ability of product, effectively extinguishing electric arc.
The arc-chutes 61 of arc extinguishing structure 6 can play the role of insulating effect and fixed arc extinguishing grid pieces 62, the arc extinguishing grid pieces 62
For breaking arc, and help to extinguish electric arc.
The course of work of the single-break direct-acting contactor is as follows:
When coil 7 is powered, according to Maxwell's electromagnetic principle, under the excitation effect that coil 7 generates, 1 He of dynamic iron core
Electromagnetic attraction can be generated between static iron core 2, dynamic iron core 1 can overcome the counter-force of reset spring 8 to move towards static iron core 2, thus band
Moving contact supports 3 movements, and contact supports 3 to drive moving contact 4 to move downward immediately, contacts moving contact 4 with static contact 5, at this time
Contact supports that 3 continue traveling downwardly, and moving contact 4 slides in the cavity 31 that contact supports 3, until dynamic iron core 1 and static iron core 2 are closed completely
It is combined into only.
Due to elastic component 44 moving contact 4, static contact 5 connect after flexible deformation occurs so that moving contact 4, static contact 5 it
Between generate certain pressure and overtravel.Above procedure realizes the connection circuit of contactor, makes electrical equipment (such as: motor
Deng) realize the function of being powered and operate.
When 7 power loss of coil, according to Maxwell's electromagnetic principle, the excitation of coil 7 disappears, dynamic iron core 1 and static iron core 2 it
Between electromagnetic attraction disappear, dynamic iron core 1 pushes contact to support 3 to move upwards, moving contact 4 is touching under the action of reset spring 8
Head is supported to slide in 3 cavity 31 so that moving contact 4 and 5 disjunction of static contact, moving contact 4 move upwards certain distance (that is,
Clearance between open contacts) afterwards in the position that disjunction limits.As shown in the electric arc trajectory line F of Fig. 2, the electric arc meeting that is generated in breaking course
It enters in arc extinguishing structure 6 along the first quiet striking slot 512 of quiet arc striking piece 51 and the second quiet striking slot 513, is then elongated
To the dynamic striking elevation angle end 431 of dynamic arc striking piece 43, at this point, electric arc is cut off by multiple arc extinguishing grid pieces 62 in arc extinguishing structure 6, then
Extinguish.
The single-break direct-acting contactor of the utility model has structure simple, and processing cost is low, and contact temperature rise is low, can
The features such as high by property.When the utility model uses single-break unilateral side arc quenching method, moving contact 4 and 5 disjunction of static contact, the electricity of generation
Arc can be rapidly introduced into arc extinguishing structure 6 according to the assigned direction of dynamic arc striking piece 43, quiet arc striking piece 51 to carry out cooling, extinguishes.It should
Single-break direct-acting contactor is cheap, can be relatively low in some operating frequencies, bears to make under the lower environment of duty factor
With so as to substitute will cause the superfluous use field of performance using conventional double breaking points direct-acting contactor in some industries
It closes.
The utility model eliminates going out in the setting of 42 end of flexible conductor compared to the arc extinguishing structure of single-break bilateral arc-chutes
Arc chamber, which reduces the length of flexible conductor 42, and without the blocking of arc-chutes at flexible conductor 42, flexible conductor 42 can
It is more flexible in shell 10 with contact support 3 move up and down, without having interference and obstruction.The arc extinguishing of the utility model
Structure 6 and flexible conductor 42 set up separately in the two sides of moving contact 4, because being not provided with striking knot on moving contact 4 in 42 side of flexible conductor
Structure will not cause scaling loss and due to the high temperature of electric arc so electric arc will not be sprayed to 42 side of flexible conductor to flexible conductor 42
The hardening of caused flexible conductor 42, to improve the service life of flexible conductor 42.
In the present invention, the dynamic arc striking piece 43 being connected on moving contact 4 and the quiet arc striking piece being connected on static contact 5
51, which use reasonable arc-striking structure, to be quickly introduced into electric arc in arc extinguishing structure 6, while the arc-chute of arc extinguishing structure 6
Piece 62 can guarantee the arc extinguishing ability of arc extinguishing structure 6, can be realized the quick extinguishing of electric arc.In addition, because dynamic arc striking piece 43
Striking elevation angle end 431 is upturned, and compared to the contact of no tilting, can increase the quantity of arc extinguishing grid pieces 62, to improve arc extinguishing
The arc extinguishing ability of structure 6.
Contactor of the utility model relative to conventional double break point-contactor or single-break bilateral arc-chutes, is being realized
Under the premise of contactor identical function, the structure of the single-break direct-acting contactor of the specific unilateral arc extinguishing structure of the utility model
Simpler, number of parts is less, and reliability is higher.More economic benefits can be brought in specific occasion, reduced
Unnecessary waist performance and waste of material save social resources.The utility model volume is smaller, saves material, reduces system
Cause this.
The foregoing is merely several embodiments of the utility model, and those skilled in the art is according to disclosed in application documents
Content can carry out various changes or modifications without departing from the spirit and scope of the utility model to the utility model embodiment.
Claims (10)
1. a kind of single-break direct-acting contactor, interior dynamic iron core, static iron core and the contact of being equipped with supports that the contact is supported and institute
It states dynamic iron core to be connected, moving contact is actively equipped in the cavity that the contact is supported, the moving contact can be supported with the contact
It is mobile, and can contact or separate with the static contact being fixed in single-break direct-acting contactor, which is characterized in that it is described dynamic
The side of contact is connected with flexible conductor by connecting plate, and the other side is connected with dynamic arc striking piece, and the flexible conductor passes through the company
Fishplate bar and the dynamic arc striking piece interval are arranged, and are connected with quiet arc striking piece on the static contact；The single-break direct-acting contactor
It is inside additionally provided with the arc extinguishing structure positioned at the moving contact other side, the arc extinguishing structure is located at the top of the quiet arc striking piece, institute
Arc striking piece is stated to be arranged towards the arc extinguishing structure.
2. single-break direct-acting contactor as described in claim 1, which is characterized in that the moving contact is connected by elastic component
In contact support, in the moving contact and in the state of the static contact disjunction, the dynamic arc striking piece soft is led described
Under the pressure effect of body, it can be deviated towards the direction far from the arc extinguishing structure.
3. single-break direct-acting contactor as claimed in claim 1 or 2, which is characterized in that the dynamic arc striking piece has dynamic draw
Arc elevation angle end, the dynamic striking elevation angle end are equipped with the first dynamic striking slot, and the first dynamic striking slot is set towards the arc extinguishing structure
It sets.
4. single-break direct-acting contactor as claimed in claim 3, which is characterized in that be additionally provided with second on the dynamic arc striking piece
One side of the dynamic arc striking piece towards the static contact is arranged in dynamic striking slot, the second dynamic striking slot.
5. single-break direct-acting contactor as claimed in claim 3, which is characterized in that the dynamic arc striking piece has the first guiding
Slot, the cavity that the contact is supported have the second guide groove, and first guide groove and second guide groove cooperate, so that institute
Stating arc striking piece can be movably arranged in the cavity that the contact is supported.
6. single-break direct-acting contactor as described in claim 1, which is characterized in that be also connected with connection on the static contact
Plate, the quiet arc striking piece are located at the top of the connecting plate.
7. single-break direct-acting contactor as claimed in claim 6, which is characterized in that there is the quiet arc striking piece quiet striking to face upward
Angle end, the quiet striking elevation angle end are equipped with the first quiet striking slot, and the first quiet striking slot is arranged towards the arc extinguishing structure.
8. single-break direct-acting contactor as claimed in claim 7, which is characterized in that the quiet striking elevation angle end is additionally provided with
Two quiet striking slots, the second quiet striking slot are connected with the described first quiet striking slot, and the second quiet striking slot is to be provided with
Through slot up and down on the quiet striking elevation angle end.
9. single-break direct-acting contactor as described in claim 1, which is characterized in that the arc extinguishing structure includes: arc-chutes
And setting, in the indoor spaced multiple arc extinguishing grid pieces of the arc extinguishing, the arc extinguishing grid pieces have striking slot, the striking
Slot is arranged towards the dynamic arc striking piece.
10. single-break direct-acting contactor as claimed in claim 9, which is characterized in that the striking slot includes the first striking
Slot and the second striking slot, the second striking slot are the groove for being provided with the first striking slot slot bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640678.XU CN208433350U (en) | 2018-04-28 | 2018-04-28 | Single-break direct-acting contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820640678.XU CN208433350U (en) | 2018-04-28 | 2018-04-28 | Single-break direct-acting contactor |
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| Publication Number | Publication Date |
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| CN208433350U true CN208433350U (en) | 2019-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820640678.XU Active CN208433350U (en) | 2018-04-28 | 2018-04-28 | Single-break direct-acting contactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417450A (en) * | 2018-04-28 | 2018-08-17 | 天津京人电器有限公司 | Single-break direct-acting contactor |
| CN112309775A (en) * | 2020-09-17 | 2021-02-02 | 华为技术有限公司 | Direct current contactor, distribution box, power battery assembly and vehicle |
-
2018
- 2018-04-28 CN CN201820640678.XU patent/CN208433350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417450A (en) * | 2018-04-28 | 2018-08-17 | 天津京人电器有限公司 | Single-break direct-acting contactor |
| CN112309775A (en) * | 2020-09-17 | 2021-02-02 | 华为技术有限公司 | Direct current contactor, distribution box, power battery assembly and vehicle |
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