CN209401550U - A kind of nonpolarity D.C. high-current break-up device - Google Patents
A kind of nonpolarity D.C. high-current break-up device Download PDFInfo
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- CN209401550U CN209401550U CN201822175793.7U CN201822175793U CN209401550U CN 209401550 U CN209401550 U CN 209401550U CN 201822175793 U CN201822175793 U CN 201822175793U CN 209401550 U CN209401550 U CN 209401550U
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- permanent magnet
- disjunction
- plane
- pedestal
- moving contact
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Abstract
A kind of nonpolarity D.C. high-current break-up device, it includes pedestal (1), static contact (2) is mounted on the pedestal (1), moving contact (3) is on moving contact rack (4), the moving contact rack (4) is on the pedestal (1), locating plane is disjunction plane (S) when the moving contact (3) and static contact (2) engagement and disjunction, it is characterized by: permanent magnet mounting bracket (5) is on the pedestal (1), permanent magnet (6) is located above or below the disjunction plane (S) on the permanent magnet mounting bracket (5), the magnetizing direction (Q) of the permanent magnet (6) is perpendicular to the disjunction plane (S).This is nonpolarity D.C. high-current break-up device, the magnetizing direction of permanent magnet can effectively blow drawing electric arc perpendicular to the mounting surface of static contact, so that electric arc is elongated, arc voltage is increased, and arc extinction finally meets disconnecting switch disjunction requirement.
Description
Technical field
The utility model belongs to low-voltage electrical technical field, is specifically exactly to be related to a kind of nonpolarity D.C. high-current disjunction
Device.
Background technique
The word explanation of switch is to open and close.It refers to that one can make open circuit, make current interruptions or make it
Flow to the element of other circuits.The most common switch is the electromechanical equipment for allowing people to operate, wherein there is one or several contacts.Contact
" closed " (closed) indicate contact conducting, allow electric current flow through；" open circuit " (open) of switch indicates that contact is not turned on shape
At open circuit, electric current is not allowed to flow through.The developing history of switch is developed to from the original knife switch for needing manual hand manipulation
The present intelligent switch applied in various large electrics control equipment, the function of switch is more and more, and safety is also got over
Come higher, rotary switch is a kind of common switch, by the way that rotary operator to be locked in the spy with rotary operating device
The corresponding specific position of state is determined to prevent rotary operating device from being operated without permission.Rotary isolation switch is widely applied
In electric system, for example, photovoltaic, wind-powered electricity generation etc..Such as in photovoltaic system, the lesser electric current that is generated in each photovoltaic cell
It is combined in parallel so as to the electric current or general power needed for being provided using system.
Have in existing switch one is disconnecting switch, disconnecting switch realizes contact system frequently with rotary or flatly moving type
Engagement and disjunction, wherein existing flatly moving type contact system is only used for connecting returning for disjunction lower voltage and lower-wattage
Road control switchs the electric arc generated during divide-shut brake and is increasingly difficult to extinguish along with the promotion for using voltage, serious to restrict
Dc switch uses the development in field in high voltage.As shown in figure 1 and 2, the quick of electric arc is put out under Yao Shixian high voltage
It goes out, existing common solution is by way of increasing permanent magnet to enhance magnetic blow-out to blow electric arc, but at present
Using monolith permanent magnet, in such a way that parallel disjunction face is magnetized in solution so that magnetic field perpendicular to breaking current, thus
Achieve the purpose that blow electric arc, but which occupied space is big, it is at high cost.
Utility model content
The purpose of this utility model uses monolith permanent magnet aiming at permanent magnet in above-mentioned existing disconnecting switch, utilizes
Magnetize the big technological deficiency of mode occupied space in parallel disjunction face, provides a kind of nonpolarity D.C. high-current break-up device, uses
The permanent magnet of smaller size, magnetizing direction perpendicular to static contact mounting surface, while with permanent magnet external magnetic field by the pole N return
To the characteristic of the pole S, so that dividing section part to generate the magnetic-field component for being enough breaking current, and the component magnetic field direction is vertical
In current direction, so that electric arc is mobile towards the direction for being parallel to permanent magnet magnetizing direction, final breaking current, and make
The disjunction situation of product is unrelated with flowing to for electric current, i.e., product has electrodeless sexual function.
Technical solution
In order to achieve the above technical purposes, a kind of nonpolarity D.C. high-current break-up device provided by the utility model, it
Including pedestal, static contact is mounted on the pedestal, and moving contact is on moving contact rack, and the moving contact rack is mounted in described
On pedestal, the on-off of the break-up device, the moving contact and stationary contact are realized in the engagement and separation of the moving contact and static contact
Locating plane is disjunction plane when head engagement and disjunction, it is characterised in that: permanent magnet mounting bracket is on the pedestal, forever
Magnet is located above or below the disjunction plane in the permanent magnet mounting bracket, the magnetizing direction of the permanent magnet
The useful effect for providing the permanent magnet perpendicular to the disjunction plane is oriented parallel to magnetize in the magnetic blow-out power of breaking arc
Direction.
Further, for the permanent magnet in the permanent magnet mounting bracket, the lower end magnetic pole of the permanent magnet is located at institute
The upper end magnetic pole of the top or the permanent magnet of stating disjunction plane is located at the lower section of the disjunction plane, and the permanent magnet is in dynamic
The outside of contact end, the width of the permanent magnetism are greater than the width of the disjunction plane.
Further, the permanent magnet mounting bracket includes rack body, and the rack body is on the pedestal, stationary contact
Head is fastened with the rack body, and the permanent magnet is in the permanent magnet trough of the rack body.
Beneficial effect
A kind of nonpolarity D.C. high-current break-up device provided by the utility model, the magnetizing direction of permanent magnet is perpendicular to quiet
The mounting surface of contact, while the characteristic of the pole S is returned to permanent magnet external magnetic field by the pole N, so that dividing section part to generate one
It is enough the magnetic-field component of breaking current, and the component magnetic field direction is perpendicular to current direction, so that electric arc is towards being parallel to
The direction of permanent magnet magnetizing direction is mobile, final breaking current, and makes the disjunction situation of product unrelated with flowing to for electric current, i.e.,
Product has electrodeless sexual function.Entire scheme is not only able to achieve nonpolarity function, while saving installation space and permanent magnet material,
Under the premise of assurance function, product cost is also reduced.
Detailed description of the invention
Attached drawing 1 is permanent magnet magnetic mounting structure schematic diagram in existing switch.
Attached drawing 2 is permanent magnet magnetizing direction schematic diagram in existing switch.
Attached drawing 3 is the structural schematic diagram of the utility model embodiment 1.
Attached drawing 4 is the structural schematic diagram of permanent magnet mounting bracket in the utility model embodiment 1.
Attached drawing 5 is permanent magnet magnetizing direction schematic diagram in the utility model embodiment 1.
Attached drawing 6 is permanent magnet magnetic blow-out direction schematic diagram in the utility model embodiment 1.
Attached drawing 7 is permanent magnet magnetizing direction schematic diagram in the utility model embodiment 2.
Attached drawing 8 is permanent magnet magnetic blow-out direction schematic diagram in the utility model embodiment 2.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described further.
Embodiment one
As shown in Fig. 3, a kind of nonpolarity D.C. high-current break-up device, it includes pedestal 1, and static contact 2 is mounted on institute
It states on pedestal 1, moving contact 3 is on moving contact rack 4, and the moving contact rack 4 is on the pedestal 1, the moving contact 3
When the on-off of the break-up device, the moving contact 3 and the engagement of static contact 2 and disjunction are realized in engagement and separation with static contact 2
Locating plane is disjunction plane S, wherein for permanent magnet mounting bracket 5 on the pedestal 1, permanent magnet 6 is mounted in the permanent magnetism
In body mounting bracket 5, the lower end magnetic pole of the permanent magnet 6 is located at the top of the disjunction plane S, and the permanent magnet 6 is in dynamic
The outside of 3 end of contact, the width of the permanent magnet 6 are greater than the width of the disjunction plane S.
As depicted in figures 5 and 6, the magnetizing direction Q of the permanent magnet 6 makes the permanent magnet perpendicular to the disjunction plane S
6 useful effects provided are oriented parallel to magnetizing direction Q in the magnetic blow-out power F of breaking arc.
As shown in Fig. 4, the permanent magnet mounting bracket 5 includes rack body 501, and the rack body 501 is mounted in institute
It states on pedestal 1, static contact 2 is fastened with the rack body 501, and the permanent magnet 6 is mounted in the rack body 501
In permanent magnet trough 501a.
When the principle of the present embodiment is breaking current, electric current flows through disjunction plane S, and generates electric arc；6 outside magnetic of permanent magnet
Field is returned to the characteristic of the pole S by the pole N, so that dividing section part to generate the magnetic-field component for being enough breaking current, and the component magnetic
Field direction is perpendicular to current direction, so that electric arc is mobile towards the direction for being parallel to permanent magnet magnetizing direction Q, final disjunction
Electric current, and make the disjunction situation of product unrelated with flowing to for electric current, i.e., product has electrodeless sexual function.
Embodiment two
As depicted in figures 7 and 8, permanent magnet 6 is in the permanent magnet mounting bracket 5, the upper end magnetic of the permanent magnet 6
Pole is located at the lower section of the disjunction plane S, the magnetizing direction Q ' of the permanent magnet 6 perpendicular to the disjunction plane S make it is described forever
The useful effect that magnet 6 provides is oriented parallel to magnetizing direction Q in the magnetic blow-out power F ' of breaking arc.Other structures and embodiment one
Identical, working principle is also the same as example 1.
This specification embodiment structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile it is cited such as "upper", "lower", "left", "right", " centre ", " up time in this specification
The term of needle ", " counterclockwise " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Its relativeness is altered or modified, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Claims (3)
1. a kind of nonpolarity D.C. high-current break-up device, it includes pedestal (1), and static contact (2) is mounted on the pedestal (1)
On, moving contact (3) is on moving contact rack (4), and the moving contact rack (4) is on the pedestal (1), the moving contact
(3) it is engaged with the on-off of the engagement of static contact (2) and the separation realization break-up device, the moving contact (3) and static contact (2)
It is disjunction plane (S) with plane locating when disjunction, it is characterised in that: permanent magnet mounting bracket (5) is mounted in the pedestal (1)
On, permanent magnet (6) is located above or below the disjunction plane (S) on the permanent magnet mounting bracket (5), it is described forever
The magnetizing direction (Q) of magnet (6) makes the useful effect of the permanent magnet (6) offer in disjunction perpendicular to the disjunction plane (S)
The magnetic blow-out power (F) of electric arc is oriented parallel to magnetizing direction (Q).
2. a kind of nonpolarity D.C. high-current break-up device as described in claim 1, it is characterised in that: the permanent magnet (6)
On the permanent magnet mounting bracket (5), the lower end magnetic pole of the permanent magnet (6) is located at the top of the disjunction plane (S)
Or the upper end magnetic pole of the permanent magnet (6) is located at the lower section of the disjunction plane (S), the permanent magnet (6) is in moving contact (3)
The outside of end, the width of the permanent magnet (6) are greater than the width of the disjunction plane (S).
3. a kind of nonpolarity D.C. high-current break-up device as described in claim 1, it is characterised in that: the permanent magnet installation
Bracket (5) includes rack body (501), and the rack body (501) is on the pedestal (1), static contact (2) and the branch
Frame ontology (501) is fastened, and the permanent magnet (6) is in the permanent magnet trough (501a) of the rack body (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822175793.7U CN209401550U (en) | 2018-12-24 | 2018-12-24 | A kind of nonpolarity D.C. high-current break-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822175793.7U CN209401550U (en) | 2018-12-24 | 2018-12-24 | A kind of nonpolarity D.C. high-current break-up device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209401550U true CN209401550U (en) | 2019-09-17 |
Family
ID=67895883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822175793.7U Active CN209401550U (en) | 2018-12-24 | 2018-12-24 | A kind of nonpolarity D.C. high-current break-up device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209401550U (en) |
-
2018
- 2018-12-24 CN CN201822175793.7U patent/CN209401550U/en active Active
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