CN107342187A - Arc formula is nonpolarity high-voltage DC contactor - Google Patents
Arc formula is nonpolarity high-voltage DC contactor Download PDFInfo
- Publication number
- CN107342187A CN107342187A CN201710650194.3A CN201710650194A CN107342187A CN 107342187 A CN107342187 A CN 107342187A CN 201710650194 A CN201710650194 A CN 201710650194A CN 107342187 A CN107342187 A CN 107342187A
- Authority
- CN
- China
- Prior art keywords
- arc
- quiet contact
- contacting plate
- moving contacting
- contactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Abstract
The invention discloses a kind of nonpolarity high-voltage DC contactor of arc formula, moving contacting plate that the quiet contact point that is arranged side by side on including a spark chamber, two at the top of spark chamber, an activity are built in spark chamber and two it is positioned opposite in the permanent magnet outside the edge-on wall of spark chamber, moving contacting plate and two quiet contact points are vertically positioned opposite respectively, and moving contacting plate is also able to connect with two quiet contact points, or moving contacting plate is also able to disconnect with two quiet contact points；Magnetic line of force direction between two permanent magnets is parallel with the line direction between two quiet contact points, and the sense of current of the magnetic line of force direction between two permanent magnets also between quiet contact point and moving contacting plate is perpendicular；The guiding arc piece that caused electric arc disperses and extinguished during moving contacting plate and two quiet contact points being disconnected is additionally provided with spark chamber, so as to greatly improve the limit cut-out performance of nonpolarity D.C. contactor product, improves the electric life of product.
Description
Technical field
The present invention relates to nonpolarity D.C. contactor technical field, specifically provides a kind of nonpolarity HVDC of arc formula and connects
Tentaculum.
Background technology
It is well known that polarized D.C. contactor has positive electrical endurance normal, reverse electrical endurance is much smaller very
The characteristics of to without reverse electric property；And be different from polarized D.C. contactor, nonpolarity D.C. contactor be regardless of electric current just
Reverse, both direction has identical electric property, and this technical characteristic has obvious in the installation fool proof of automobile industry
Advantage, because it is the both positive and negative polarity for needing not distinguish between contactor that worker, which installs contactor,.Therefore, from the point of view of industry development prospect, nothing
Polarity DC contactor is the development trend of the coming years.
Although current nonpolarity D.C. contactor generally has nominal load to meet needs, in limit cut-out performance
On but can not be compared with polarized D.C. contactor；If therefore can be under the premise of non-polar, while lift contactor product
Limit cut-out performance, then competitiveness of the product in future market will be that conventional products are incomparable.In view of this, spy carries
Go out the present invention.
The content of the invention
In order to overcome drawbacks described above, the invention provides a kind of nonpolarity high-voltage DC contactor of arc formula, it has excellent
Different limit cut-out performance, greatly improve the electric life of product.
The present invention in order to solve its technical problem used by technical scheme be：A kind of nonpolarity HVDC of arc formula connects
Tentaculum, including a spark chamber, two the quiet contact points being arranged side by side on the spark chamber top, an activities are built in described go out
Moving contacting plate in arc chamber and two it is positioned opposite in the permanent magnet outside the edge-on wall of the spark chamber, wherein, the dynamic contact
Piece and two quiet contact points are vertically positioned opposite respectively, and the moving contacting plate is also able to described quiet connect with two
Contact connects, or the moving contacting plate is also able to disconnect with two quiet contact points；Between two permanent magnets
Magnetic line of force direction it is parallel with the line direction between two quiet contact points, and the magnetic between two permanent magnets simultaneously
The sense of current of the line of force direction also between the quiet contact point and moving contacting plate is perpendicular；It is additionally provided with the spark chamber
The guiding arc piece that caused electric arc disperses and extinguished during the quiet contact point of the moving contacting plate and two being disconnected.
As a further improvement on the present invention, provided with ceramic shell, magnetic conductive board and clamping ring, the ceramic shell is downside
Open hollow cylinder structure, the magnetic conductive board are located by connecting on the downside of the ceramic shell by the clamping ring, and
The ceramic shell, magnetic conductive board and clamping ring also surround the spark chamber jointly.
As a further improvement on the present invention, two quiet contact points are arranged side by side on the top of the ceramic shell
On；
Two permanent magnet positioning are arranged at outside the opposite sides wall of the ceramic shell.
As a further improvement on the present invention, two are connected with the inner surface at the top of the ceramic shell down
The guiding arc piece of extension, two guiding arc pieces and two quiet contact points surround the ceramic shell together
Vertical centerline in alternating arrangement, and simultaneously two described be oriented to arc pieces also with respect to being laid in the moving contacting plate
Outside the both sides in portion.
As a further improvement on the present invention, two arc pieces that are oriented to are respectively outer with moving contacting plate middle part
The arc-shaped flaky body that shape is engaged.
As a further improvement on the present invention, each guiding arc piece also respectively passes through a dowel and the pottery respectively
The inner surface integrally connected of the edge-on wall of porcelain housing.
The beneficial effects of the invention are as follows：Arc piece is oriented to by being provided with spark chamber, can be by moving contacting plate and two
Caused electric arc is blocked or disperseed when individual quiet contact point disconnects, and and then extinguish, that is, cause electric arc between two stationary contacts not
" meeting and discussing " phenomenon occurs, so as to greatly improve the limit cut-out performance of nonpolarity D.C. contactor product, improves product
Electric life.
Brief description of the drawings
Fig. 1 is the part section structure that the nonpolarity high-voltage DC contactor of arc formula of the present invention is under the first visual angle
Schematic diagram；
Fig. 2 is the cross-section structure signal that the nonpolarity high-voltage DC contactor of arc formula of the present invention is under the second visual angle
Figure；
Fig. 3 be when moving contacting plate disconnects with two quiet contact points caused electric arc diffused to (shown in mark A) be oriented to every
Motion schematic diagram at arcs.
With reference to accompanying drawing, make the following instructions：
1 --- quiet contact point 2 --- moving contacting plate
3 --- permanent magnets 4 --- are oriented to arc piece
5 --- ceramic shell 6 --- magnetic conductive boards
7 --- clamping ring 8 --- magnetic conduction supports
9 --- dowel 10 --- dynamic iron cores
11 --- static iron core 12 --- push rods
13 --- back-moving spring
Embodiment
Referring to figure to a preferred embodiment of the present invention will be described in detail.
Embodiment 1：
Refering to shown in attached Fig. 1 and 2, the nonpolarity high-voltage DC contactor of arc formula respectively of the present invention is in two not
With the cross-sectional view under visual angle.The described nonpolarity high-voltage DC contactor of arc formula include a spark chamber, two simultaneously
Quiet contact point 1 that arrangement is placed at the top of the spark chamber, an activity be built in moving contacting plate 2 in the spark chamber and
Two are positioned opposite in the permanent magnet 3 outside the edge-on wall of the spark chamber, wherein, the moving contacting plate 2 described quiet contacts with two
Point 1 is vertically positioned opposite respectively, and the moving contacting plate 2 is also able to connect with two quiet contact points 1, Huo Zhesuo
Moving contacting plate 2 is stated also to be able to disconnect with two quiet contact points 1；Magnetic line of force direction between two permanent magnets 3
Line direction between two quiet contact points 1 is parallel, and the magnetic line of force direction between two permanent magnets 3 is also simultaneously
The sense of current between the quiet contact point 1 and moving contacting plate 2 is perpendicular；Particularly, it is additionally provided with the spark chamber
The guiding arc that caused electric arc disperses and extinguished during the quiet contact point 1 of the moving contacting plate 2 and two being disconnected
Piece 4.
In the present embodiment, it is preferred that the nonpolarity high-voltage DC contactor of arc formula also include ceramic shell 5,
Magnetic conductive board 6 and clamping ring 7, the ceramic shell 5 is the open hollow cylinder structure in downside, and the hollow cylinder structure is transversal
Face is preferably to be square, and the magnetic conductive board 6 is located by connecting on the downside of the ceramic shell 5 by the clamping ring 7, and institute
State ceramic shell 5, magnetic conductive board 6 and clamping ring 7 and also surround the spark chamber jointly.
It is further preferred that two quiet contact points 1 are arranged side by side on the top of the ceramic shell 5；
Two positioning of permanent magnet 3 are arranged at outside the opposite sides wall of the ceramic shell 5, are specially：Two institutes
Permanent magnet 3 is stated to be encased and be positioned at outside the opposite sides wall of the ceramic shell 5 by a magnetic conduction support 8, and described in two forever
The polarity of magnet 3 is N extremely to S poles, or S is extremely to N poles.
In the present embodiment, it is preferred that two are connected with the inner surface at the top of the ceramic shell 5 towards downward
The guiding arc piece 4 stretched, two guiding arc pieces 4 and two quiet contact points 1 surround the ceramic case together
The vertical centerline of body 5 is alternately arranged in equi-spaced apart, and two arc pieces 4 that are oriented to also are laid in described move relatively simultaneously
Outside the both sides at the middle part of contact chip 2, two quiet contact points are corresponding with the both ends of moving contacting plate respectively (it is common knowledge).When
When electric arc caused by the moving contacting plate and two quiet contact points disconnections is diffused at the guiding arc piece, electric arc meeting
Arc piece is directed to block or disperse, and and then extinguish (specifically see shown in accompanying drawing 3), i.e. electric arc between two stationary contacts is not
" meeting and discussing " phenomenon occurs, so as to improve the limit cut-out performance of product, improves the electric life of product.
It is further preferred that two arc pieces 4 that are oriented to are respectively to be engaged with the middle part profile of moving contacting plate 2
Arc-shaped flaky body.By two arc-like sheets for being oriented to arc piece and being designed to be engaged with profile in the middle part of the moving contacting plate
Shape, guide effect can be played to the up and down motion of moving contacting plate, make moving contacting plate that motion deflection will not occur, it is dynamic so as to improve
The contact stabilization of contact chip and quiet contact point, add the stability of product electric life.
It is further preferred that each guiding arc piece 4 is also each to pass through a dowel 9 and the ceramic shell 5 respectively
Edge-on wall inner surface integrally connected, dowel to be oriented to arc piece intensity play booster action.
In addition, in the present invention, also by configuration driven coil, yoke, dynamic iron core 10, static iron core 11, push rod 12 and answer
Position spring 13 realizes that " moving contacting plate 2 is able to connect with two quiet contact points 1, or the moving contacting plate 2
It is able to disconnect with two quiet contact points 1 "；This technology point is common knowledge, be not belonging to the present invention emphasis, therefore
This is not described further.
Described above is only the preferred embodiment of the present invention, but is not intended to limit the invention, it is noted that for this
For the those of ordinary skill of technical field, without departing from the technical principles of the invention, some improvement can also be made
And modification, these improvement and modification also should be regarded as within the scope of the present invention.
Claims (6)
1. a kind of nonpolarity high-voltage DC contactor of arc formula, including a spark chamber, two be arranged side by side on the spark chamber top
Quiet contact point (1) in portion, an activity are built in moving contacting plate (2) in the spark chamber and two positioned opposite in institute
The permanent magnet (3) outside the edge-on wall of spark chamber is stated, wherein, the moving contacting plate (2) is with two quiet contact points (1) respectively along perpendicular
To positioned opposite, and the moving contacting plate (2) is also able to connect with two quiet contact points (1), or described dynamic connects
Contact (2) is also able to disconnect with two quiet contact points (1)；Magnetic line of force direction between two permanent magnets (3)
Line direction between two quiet contact points (1) is parallel, and the magnetic line of force side between two permanent magnets (3) simultaneously
It is perpendicular to the sense of current also between the quiet contact point (1) and moving contacting plate (2)；It is characterized in that：In the arc extinguishing
Caused electric arc disperses when intracavitary is additionally provided with the moving contacting plate (2) to be disconnected with two quiet contact points (1)
And the guiding arc piece (4) extinguished.
2. the nonpolarity high-voltage DC contactor of arc formula according to claim 1, it is characterised in that：Provided with ceramic shell
(5), magnetic conductive board (6) and clamping ring (7), the ceramic shell (5) are the open hollow cylinder structure in downside, the magnetic conductive board
(6) it is located by connecting by the clamping ring (7) on the downside of the ceramic shell (5), and the ceramic shell (5), magnetic conduction
Plate (6) and clamping ring (7) also surround the spark chamber jointly.
3. the nonpolarity high-voltage DC contactor of arc formula according to claim 2, it is characterised in that：Two quiet contacts
Point (1) is arranged side by side on the top of the ceramic shell (5)；
Two permanent magnet (3) positioning are arranged at outside the opposite sides wall of the ceramic shell (5).
4. the nonpolarity high-voltage DC contactor of arc formula according to claim 2, it is characterised in that：In the ceramic shell
(5) two guiding arc pieces (4) extended down, two guiding arc pieces are connected with the inner surface at the top of
(4) and two quiet contact points (1) are in together to alternate arrangement around the vertical centerline of the ceramic shell (5), and
Two arc pieces (4) that are oriented to also are laid in outside the both sides in the middle part of the moving contacting plate (2) relatively simultaneously.
5. the nonpolarity high-voltage DC contactor of arc formula according to claim 4, it is characterised in that：Two it is described be oriented to every
Arcs (4) are respectively the arc-shaped flaky body being engaged with profile in the middle part of the moving contacting plate (2).
6. the nonpolarity high-voltage DC contactor of arc formula according to claim 5, it is characterised in that：It is each it is described be oriented to every
Arcs (4) are also each to pass through the inner surface integrally connected of a dowel (9) and the edge-on wall of the ceramic shell (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650194.3A CN107342187A (en) | 2017-08-02 | 2017-08-02 | Arc formula is nonpolarity high-voltage DC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650194.3A CN107342187A (en) | 2017-08-02 | 2017-08-02 | Arc formula is nonpolarity high-voltage DC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107342187A true CN107342187A (en) | 2017-11-10 |
Family
ID=60216242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710650194.3A Pending CN107342187A (en) | 2017-08-02 | 2017-08-02 | Arc formula is nonpolarity high-voltage DC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107342187A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111415839A (en) * | 2020-03-17 | 2020-07-14 | 中国航天时代电子有限公司 | High-voltage direct-current contactor |
| CN111512409A (en) * | 2018-02-02 | 2020-08-07 | Ls电气株式会社 | DC relay with permanent magnet housing |
| CN111613486A (en) * | 2020-05-28 | 2020-09-01 | 宁波峰梅新能源汽车科技有限公司 | Direct-acting DC relay |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737914A (en) * | 2012-07-02 | 2012-10-17 | 戴丁志 | Arc-quenching non-polar contactor |
| KR20130034431A (en) * | 2011-09-28 | 2013-04-05 | 현대중공업 주식회사 | Arc plate of magnetic contactor that has function to guide arc |
| CN104966646A (en) * | 2015-07-03 | 2015-10-07 | 昆山国力真空电器有限公司 | Non-polar DC contactor |
| CN105719865A (en) * | 2016-04-29 | 2016-06-29 | 浙江英洛华新能源科技有限公司 | Opposite arcs isolation apparatus of high voltage direct current relay |
| CN207052527U (en) * | 2017-08-02 | 2018-02-27 | 昆山国力源通新能源科技有限公司 | Arc formula is nonpolarity high-voltage DC contactor |
-
2017
- 2017-08-02 CN CN201710650194.3A patent/CN107342187A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130034431A (en) * | 2011-09-28 | 2013-04-05 | 현대중공업 주식회사 | Arc plate of magnetic contactor that has function to guide arc |
| CN102737914A (en) * | 2012-07-02 | 2012-10-17 | 戴丁志 | Arc-quenching non-polar contactor |
| CN104966646A (en) * | 2015-07-03 | 2015-10-07 | 昆山国力真空电器有限公司 | Non-polar DC contactor |
| CN105719865A (en) * | 2016-04-29 | 2016-06-29 | 浙江英洛华新能源科技有限公司 | Opposite arcs isolation apparatus of high voltage direct current relay |
| CN207052527U (en) * | 2017-08-02 | 2018-02-27 | 昆山国力源通新能源科技有限公司 | Arc formula is nonpolarity high-voltage DC contactor |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111512409A (en) * | 2018-02-02 | 2020-08-07 | Ls电气株式会社 | DC relay with permanent magnet housing |
| CN111415839A (en) * | 2020-03-17 | 2020-07-14 | 中国航天时代电子有限公司 | High-voltage direct-current contactor |
| CN111415839B (en) * | 2020-03-17 | 2022-05-20 | 中国航天时代电子有限公司 | High-voltage direct current contactor |
| CN111613486A (en) * | 2020-05-28 | 2020-09-01 | 宁波峰梅新能源汽车科技有限公司 | Direct-acting DC relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171110 |
|
| RJ01 | Rejection of invention patent application after publication |