CN108447739A - Ceramic package high-voltage DC contactor with auxiliary contact - Google Patents
Ceramic package high-voltage DC contactor with auxiliary contact Download PDFInfo
- Publication number
- CN108447739A CN108447739A CN201810245346.6A CN201810245346A CN108447739A CN 108447739 A CN108447739 A CN 108447739A CN 201810245346 A CN201810245346 A CN 201810245346A CN 108447739 A CN108447739 A CN 108447739A
- Authority
- CN
- China
- Prior art keywords
- arc
- cavity
- ladder
- extinguish chamber
- contact
- 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
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Ceramic package high-voltage DC contactor disclosed by the invention with auxiliary contact includes shell and pushing meanss, ceramic case in shell is that two-stage is ladder-like, the width of the second ladder of subordinate is more than the width of the first ladder of higher level, and the first ladder and second-order inner lift part do not form the first cavity and the second cavity；Arc-extinguish chamber in pushing meanss is sleeved on opening uply above push rod convex shoulder, and arc extinguishing cover outer wall is extend into upward in the first cavity of the first ladder, and arc-extinguish chamber separates the first cavity and the second cavity, and the first cavity and arc-extinguish chamber form arc-chutes；Arc-extinguish chamber flatly extends arc-extinguish chamber extension to the second cavity side and pulls, and arc-extinguish chamber extension board end is fixed with auxiliary contact by rivet, and assists contact upward, and the second ladder corresponding with the auxiliary contact is equipped with the auxiliary contact extending into the second cavity.The configuration of the present invention is simple, stability, air-tightness are good, are widely used in the fields such as new-energy automobile, charging equipment of electric automobile, photovoltaic generating system.
Description
Technical field
The present invention relates to D.C. contactor fields, and in particular to a kind of ceramic package high voltage direct current contact with auxiliary contact
Device.
Background technology
Contactor is to flow through current induced magnetic field using coil, makes contact closure, to reach the automation control of control load
Electric appliance processed.The one kind of high-voltage DC contactor as contactor, be widely used in new-energy automobile, charging equipment of electric automobile,
The fields such as photovoltaic generating system have the function of startup, disconnection and conversion electric power.
In high-voltage DC contactor, in order to detect whether contactor is connected in the process of running, it will usually setting auxiliary
Contact, however because high-voltage DC contactor internal structure is different, the structure of auxiliary contact and its setting are also different.
If Authorization Notice No. is the Chinese patent literature of CN206225294U, in the D.C. contactor with auxiliary contact
In, increasing directly on pushing mechanism, there is the auxiliary of double auxiliary movable contacts to move spring, in position corresponding with double auxiliary movable contacts
Upper setting at least two has the auxiliary exit of auxiliary stationary contact, it can be seen that, double auxiliary are dynamic to be touched from the attached drawing of above-mentioned patent
Point is separately positioned on the both sides of pushing mechanism, is auxiliary regardless of auxiliary exit no matter auxiliary exit is two or four
Normally opened exit still assists normally closed exit, the D.C. contactor internal structure of above structure all to complicate；In addition this is straight
Active contact, main stationary contact, auxiliary movable contact and auxiliary stationary contact in stream contactor are all contained in the ceramic chamber of ceramic case
In, this structure is easy that auxiliary movable contact and auxiliary stationary contact is made to be influenced by electric arc during arc extinguishing, makes D.C. contactor
It is unstable.
In the prior art, it is used to take out to high-voltage DC contactor, the metal exhaust tube of inflatable body all passes through the side of soldering
Formula is seamlessly connected with ceramic case, however in harsh environment when used for a long time, the exhaust pipe of metal material and the pottery of ceramic material
Porcelain shell weld is easy cracking, gas leakage.
Invention content
It is an object of the invention to overcome disadvantages mentioned above existing in the prior art, a kind of simple in structure, stability is provided
Good, the good ceramic package high-voltage DC contactor with auxiliary contact of air-tightness.
To achieve the goals above, the technical solution adopted by the present invention is as follows：The high straightening of ceramic package with auxiliary contact
Contactor, including shell, pushing meanss are flowed, shell includes ceramic case, flange, pole plate, the dynamic spacer of metal；Ceramic case and method
It is to be seamlessly connected that blue, flange and pole plate, pole plate and metal, which move spacer,；Ceramic case is that two-stage is ladder-like, and wherein higher level is
First order ladder, subordinate are the second ladder, and the width of the second ladder is more than the width of the first ladder, the first ladder and the second ladder
Inside is respectively formed the first cavity and the second cavity.
Pushing meanss include dynamic iron core, static iron core, the first spring, second spring, arc-extinguish chamber, moving contact, equipped with convex shoulder
Push rod, dynamic iron core are sleeved on the push rod lower end periphery in the dynamic spacer of metal, and the first spring pocket is mounted on the push rod on dynamic iron core top,
Static iron core is sleeved on the push rod on the first spring top, and push rod upper end is set with moving contact, between the convex shoulder and moving contact of push rod
Equipped with second spring；Arc-extinguish chamber is sleeved on opening uply above push rod convex shoulder, and arc extinguishing cover outer wall extend into the first rank upward
In first cavity of ladder, arc-extinguish chamber separates the first cavity and the second cavity, and the first cavity and arc-extinguish chamber form arc-chutes, go out
Arc cover is flatly extended arc-extinguish chamber extension to the second cavity side of the second ladder and is pulled, and arc-extinguish chamber extension board end passes through rivet
It is fixed with auxiliary contact, and assists contact upward, the second ladder corresponding with the auxiliary contact is equipped with and extend into the second cavity
Interior auxiliary contact.
In the present invention, further, auxiliary contact, auxiliary contact are two, two auxiliary contacts and two auxiliary
Contact is in the same side of arc-extinguish chamber extension board and symmetrical.
In the present invention, further, on the first order ladder of ceramic case it is symmetrical set there are two extend into first sky
The static contact of intracavitary, two static contacts are corresponding with the position of two auxiliary contacts, and push rod, which pushes arc-extinguish chamber to move up, to be made
While contact and two static contacts contact, arc-extinguish chamber extension board, which also moves up, makes two auxiliary contacts be assisted respectively with two
Contact pad.
In the present invention, further, metal moves spacer bottom centre and is equipped with through-hole, and through-hole is interior dynamic equipped with metal is extend into
Metal exhaust tube inside spacer, the metal exhaust tube tail portion are closed；The metal exhaust tube passes through soldering and metal
Dynamic spacer is seamlessly connected.
The beneficial effects of the invention are as follows：
1, arc-extinguish chamber separates the internal cavities of ceramic case in the present invention, keeps the first cavity and the second cavity mutual indepedent, from
And making moving contact and static contact in the first cavity, auxiliary contact and auxiliary contact are in the second cavity, the high pressure of this structure
For D.C. contactor when disconnecting, moving contact and static contact form electric arc in arc-chutes, and arc-extinguish chamber can exist electric arc individual segmentation
Arc extinguishing is carried out in arc-chutes, to not influence auxiliary contact and auxiliary contact, improves the stability of high-voltage DC contactor.
2, arc-extinguish chamber extension board flatly extends from arc-extinguish chamber to the second cavity side of the second ladder, and auxiliary contact is logical
It crosses rivet to be fixed on arc-extinguish chamber extension board, simplifies the internal structure of high-voltage DC contactor.
3, pass through soldering nothing for moving spacer to high-voltage DC contactor inside pumping, the metal exhaust tube of inflatable body and metal
Seam connection, the welding airtightness of metal material and ceramic material compared with the prior art, the weldering of metal material and metal material
It is more preferable to connect air-tightness, the case where to make high-voltage DC contactor not cracking in harsh environment, gas leakage.
Description of the drawings
In order to illustrate more clearly of the technical solution in the present invention, below to the attached drawing and attached used in embodiment description
Icon is denoted as simply introducing.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the main structure diagram of Fig. 1；
Fig. 3 be in Fig. 2 A-A to schematic cross-sectional view；
Fig. 4 is the left view structural representation of Fig. 2；
Fig. 5 is B-B direction schematic cross-sectional view in Fig. 4.
Reference sign：1- ceramic cases, 2- flanges, 3- pole plates, 4- metals move spacer, the first ladders of 5-, 6- first
Cavity, the second ladders of 7-, the second cavitys of 8-, 9- dynamic iron cores, 10- static iron cores, the first springs of 11-, 12- second springs, 13- arc extinguishings
Cover, the extension of 14- moving contacts, 15- push rods, 16- arc-chutes, 17- arc-extinguish chambers are pulled, 18- rivets, 19- auxiliary contact, 20- auxiliary are touched
Head, 21- static contacts, 22- through-holes, 23- metal exhaust tubes.
Specific implementation mode
For a further understanding of the present invention, with reference to the attached drawing of the embodiment of the present invention, to the scheme of the embodiment of the present invention
It is clearly and completely described.
Shown in attached drawing 1 to 5, the ceramic package high-voltage DC contactor with auxiliary contact shown in the embodiment of the present invention,
Including shell and pushing meanss, shell includes that ceramic case 1, flange 2, pole plate 3, metal move spacer 4；Pushing meanss include dynamic iron
Core 9, static iron core 10, the first spring 11, second spring 12, arc-extinguish chamber 13, moving contact 14 and the push rod 15 equipped with convex shoulder.
In order to make high-voltage DC contactor inner sealing, ceramic case 1 and flange 2, flange 2 and pole plate 3, pole plate 3 with
It is to be seamlessly connected that metal, which moves spacer 4,.
Ceramic case 1 in shell is that two-stage is ladder-like, and wherein higher level is first order ladder 5, and subordinate is the second ladder 6, the
The width of two ladders 6 is more than the width of the first ladder 5, and the first cavity and the are respectively formed inside the first ladder 5 and the second ladder 6
Two cavitys.
In the embodiment of the present invention 1, the dynamic iron core 9 in pushing meanss is sleeved on metal and moves 15 lower end of push rod in spacer 4
Periphery, the first spring 11 are sleeved on the push rod 15 on 9 top of dynamic iron core, and static iron core 10 is sleeved on the push rod on 11 top of the first spring
On 15,15 upper end of push rod is set with moving contact 14, and second spring 12, push rod 15 are equipped between the convex shoulder and moving contact 14 of push rod 15
Upper and lower ends use nut check.
In embodiments of the present invention, arc-extinguish chamber 13 is sleeved on opening uply above the convex shoulder of push rod 15, outside arc-extinguish chamber 13
Wall is extend into upward 6 in the first cavity of the first ladder 5, and arc-extinguish chamber 13 separates the first cavity 6 and the second cavity 8, the
One cavity 6 and arc-extinguish chamber 13 form arc-chutes 16.
Arc-extinguish chamber 13 flatly extends arc-extinguish chamber extension to 8 side of the second cavity of the second ladder 7 and pulls 17, and arc-extinguish chamber prolongs
It stretches 17 end of plate and auxiliary contact 19 is fixed with by rivet 18, and assist contact 19 upward, corresponding with the auxiliary contact 19 the
Two ladders 7 are equipped with the auxiliary contact 20 extending into the second cavity 8.
In embodiments of the present invention, auxiliary contact 20 and auxiliary contact 19 are two, two auxiliary contacts 20 and two
Assist contact 19 in the same side of arc-extinguish chamber extension board 17 and symmetrical.
In embodiments of the present invention, further, symmetrical on the first order ladder 5 of ceramic case 1 to set there are two stretching into
To the static contact 21 in the first cavity 6, two static contacts 21 are corresponding with above and below the position of two auxiliary contacts 20, and push rod 15 pushes away
Dynamic arc-extinguish chamber 13 moves up while so that moving contact 14 and two static contacts 21 is contacted, and arc-extinguish chamber extension board 17 also moves up
Two auxiliary contacts 20 are made to be contacted respectively with two auxiliary contacts 19.
The internal cavities of ceramic case 1 are divided into 6 and second cavity 8 of mutually independent first cavity by arc-extinguish chamber 13, are made
Contact 14 and static contact 21 are in the first cavity, and auxiliary contact 20 and auxiliary contact 19 are in the second cavity, the height of this structure
Press D.C. contactor when disconnecting, moving contact 14 and static contact 21 form electric arc in arc-chutes, and arc-extinguish chamber can be by electric arc independence
It is segmented in arc-chutes and carries out arc extinguishing, to not influence auxiliary contact 20 and auxiliary contact, improve high-voltage DC contactor
Stability.
In embodiments of the present invention, metal moves 4 bottom centre of spacer and is equipped with through-hole 22, is equipped in through-hole 22 and extend into metal
The metal exhaust tube 23 of 4 inside of dynamic spacer, and 23 tail portion of metal exhaust tube is closed, metal exhaust, 23 by soldering and
Metal moves spacer 4 and is seamlessly connected, and the air-tightness of high-voltage DC contactor is ensure that, to make high-voltage DC contactor in severe ring
The case where not cracking in border, gas leakage.
Claims (4)
1. the ceramic package high-voltage DC contactor with auxiliary contact, including shell and pushing meanss, it is characterised in that：
The shell includes ceramic case, flange, pole plate, the dynamic spacer of metal；The ceramic case and flange, flange and pole plate,
It is to be seamlessly connected that pole plate moves spacer with metal；The ceramic case is that two-stage is ladder-like, and wherein higher level is first order ladder, under
Grade is the second ladder, and the width of the second ladder is more than the width of the first ladder, and the first ladder and second-order inner lift part are not formed
First cavity and the second cavity；
The pushing meanss include dynamic iron core, static iron core, the first spring, second spring, arc-extinguish chamber, moving contact and equipped with convex shoulder
Push rod, the dynamic iron core are sleeved on the push rod lower end periphery in the dynamic spacer of metal, and the first spring pocket is pushed away mounted in dynamic iron core top
On bar, static iron core is sleeved on the push rod on the first spring top, and push rod upper end is set with moving contact, the convex shoulder and moving contact of push rod
Between be equipped with second spring；The arc-extinguish chamber is sleeved on opening uply above push rod convex shoulder, and arc extinguishing cover outer wall stretches into upward
Into the first cavity of the first ladder, arc-extinguish chamber separates the first cavity and the second cavity, and the first cavity and arc-extinguish chamber are formed
Arc-chutes；The arc-extinguish chamber flatly extends arc-extinguish chamber extension to the second cavity side of the second ladder and pulls, and arc-extinguish chamber extends
Plate end is fixed with auxiliary contact by rivet, and assists contact upward, and the second ladder corresponding with the auxiliary contact is equipped with
The auxiliary contact extending into the second cavity.
2. the ceramic package high-voltage DC contactor according to claim 1 with auxiliary contact, it is characterised in that：It is described auxiliary
It is two to help contact, auxiliary contact, and described two auxiliary contacts and two auxiliary contacts are in the same of arc-extinguish chamber extension board
Side and symmetrical.
3. the ceramic package high-voltage DC contactor according to claim 2 with auxiliary contact, it is characterised in that：Ceramic case
First order ladder on it is symmetrical set there are two static contact in the first cavity is extend into, two static contacts and two auxiliary are tactile
The position of head is corresponding, and push rod promotion arc-extinguish chamber moves up while so that moving contact is contacted with static contact, and the arc-extinguish chamber prolongs
Stretching plate and also moving up makes auxiliary contact and auxiliary contact pad.
4. the ceramic package high-voltage DC contactor according to claim 3 with auxiliary contact, it is characterised in that：Metal is dynamic
Spacer bottom centre is equipped with through-hole, and the metal exhaust tube extending into inside the dynamic spacer of metal, the metal exhaust are equipped in through-hole
Pipe tail portion is closed；The metal exhaust tube moves spacer with metal by soldering and is seamlessly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245346.6A CN108447739A (en) | 2018-03-23 | 2018-03-23 | Ceramic package high-voltage DC contactor with auxiliary contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810245346.6A CN108447739A (en) | 2018-03-23 | 2018-03-23 | Ceramic package high-voltage DC contactor with auxiliary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108447739A true CN108447739A (en) | 2018-08-24 |
Family
ID=63196788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810245346.6A Pending CN108447739A (en) | 2018-03-23 | 2018-03-23 | Ceramic package high-voltage DC contactor with auxiliary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108447739A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335783A (en) * | 2019-07-22 | 2019-10-15 | 浙江天继电气有限公司 | A kind of striking contact for D.C. contactor |
| CN112309776A (en) * | 2020-11-10 | 2021-02-02 | 东莞市中汇瑞德电子股份有限公司 | High-voltage direct-current relay with auxiliary contacts |
| CN112331525A (en) * | 2020-11-23 | 2021-02-05 | 东莞市中汇瑞德电子股份有限公司 | High-capacity relay with auxiliary contact isolation mechanism |
| CN112435895A (en) * | 2020-12-07 | 2021-03-02 | 东莞市中汇瑞德电子股份有限公司 | High-capacity relay with auxiliary contacts |
| CN113539712A (en) * | 2021-05-21 | 2021-10-22 | 阳泉华盛矿用设备厂有限公司 | Switch with detectable contact state |
| WO2022095284A1 (en) * | 2020-11-03 | 2022-05-12 | 苏州芯脉智能电子科技有限公司 | High-capacity relay with reliable auxiliary contact |
| EP4141903A4 (en) * | 2020-06-09 | 2023-10-25 | BYD Company Limited | Relay |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203588940U (en) * | 2013-10-23 | 2014-05-07 | 天水二一三电器有限公司 | Sealed type DC contactor |
| CN205376408U (en) * | 2016-01-10 | 2016-07-06 | 深圳巴斯巴科技发展有限公司 | Sealed direct current contactor with high breaking capacity |
| CN106531563A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Magnetic latching energy-saving high-voltage DC contactor |
| CN207947224U (en) * | 2018-03-23 | 2018-10-09 | 浙江瑞光新能源科技有限公司 | Ceramic package high-voltage DC contactor with auxiliary contact |
-
2018
- 2018-03-23 CN CN201810245346.6A patent/CN108447739A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203588940U (en) * | 2013-10-23 | 2014-05-07 | 天水二一三电器有限公司 | Sealed type DC contactor |
| CN205376408U (en) * | 2016-01-10 | 2016-07-06 | 深圳巴斯巴科技发展有限公司 | Sealed direct current contactor with high breaking capacity |
| CN106531563A (en) * | 2017-01-04 | 2017-03-22 | 昆山国力源通新能源科技有限公司 | Magnetic latching energy-saving high-voltage DC contactor |
| CN207947224U (en) * | 2018-03-23 | 2018-10-09 | 浙江瑞光新能源科技有限公司 | Ceramic package high-voltage DC contactor with auxiliary contact |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110335783A (en) * | 2019-07-22 | 2019-10-15 | 浙江天继电气有限公司 | A kind of striking contact for D.C. contactor |
| EP4141903A4 (en) * | 2020-06-09 | 2023-10-25 | BYD Company Limited | Relay |
| JP7488916B2 (en) | 2020-06-09 | 2024-05-22 | ビーワイディー カンパニー リミテッド | relay |
| WO2022095284A1 (en) * | 2020-11-03 | 2022-05-12 | 苏州芯脉智能电子科技有限公司 | High-capacity relay with reliable auxiliary contact |
| CN112309776A (en) * | 2020-11-10 | 2021-02-02 | 东莞市中汇瑞德电子股份有限公司 | High-voltage direct-current relay with auxiliary contacts |
| WO2022099934A1 (en) * | 2020-11-10 | 2022-05-19 | 东莞市中汇瑞德电子股份有限公司 | High voltage direct current relay having auxiliary contact |
| CN112331525A (en) * | 2020-11-23 | 2021-02-05 | 东莞市中汇瑞德电子股份有限公司 | High-capacity relay with auxiliary contact isolation mechanism |
| WO2022105056A1 (en) * | 2020-11-23 | 2022-05-27 | 东莞市中汇瑞德电子股份有限公司 | High capacity relay having auxiliary contact isolation mechanism |
| CN112435895A (en) * | 2020-12-07 | 2021-03-02 | 东莞市中汇瑞德电子股份有限公司 | High-capacity relay with auxiliary contacts |
| CN113539712A (en) * | 2021-05-21 | 2021-10-22 | 阳泉华盛矿用设备厂有限公司 | Switch with detectable contact state |
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