CN207947224U - Ceramic package high-voltage DC contactor with auxiliary contact - Google Patents
Ceramic package high-voltage DC contactor with auxiliary contact Download PDFInfo
- Publication number
- CN207947224U CN207947224U CN201820401899.1U CN201820401899U CN207947224U CN 207947224 U CN207947224 U CN 207947224U CN 201820401899 U CN201820401899 U CN 201820401899U CN 207947224 U CN207947224 U CN 207947224U
- 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.)
- Expired - Fee Related
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 230000003068 static effect Effects 0.000 claims description 21
- 125000006850 spacer group Chemical group 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 238000005476 soldering Methods 0.000 claims description 4
- 238000010891 electric arc Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Ceramic package high-voltage DC contactor disclosed by the utility model 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 upward, and the second ladder corresponding with the auxiliary contact is equipped with the auxiliary contact extending into the second cavity.The utility model is simple in structure, and stability, air-tightness are good, is widely used in the fields such as new-energy automobile, charging equipment of electric automobile, photovoltaic generating system.
Description
Technical field
The utility model is related to D.C. contactor fields, and in particular to a kind of ceramic package high voltage direct current with auxiliary contact
Contactor.
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.
Utility model content
The purpose of the utility model is to overcome disadvantages mentioned above existing in the prior art, provide a kind of simple in structure, steady
Qualitative good, the good ceramic package high-voltage DC contactor with auxiliary contact of air-tightness.
To achieve the goals above, the technical solution adopted in the utility model is as follows：Ceramic package with auxiliary contact is high
It includes ceramic case, flange, pole plate, the dynamic spacer of metal to press D.C. contactor, including shell, pushing meanss, shell；Ceramic case with
It is to be seamlessly connected that flange, flange and pole plate, pole plate and metal, which move spacer,；Ceramic case is that two-stage is ladder-like, wherein higher level
For first order ladder, subordinate is the second ladder, and the width of the second ladder is more than the width of the first ladder, the first ladder and second-order
Inner lift part does not form 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
Assist contact in the same side of arc-extinguish chamber extension board and symmetrical.
In the present invention, further, symmetrical on the first order ladder of ceramic case to set that there are two extend into the
Static contact in one cavity, two static contacts are corresponding with the position of two auxiliary contacts, and push rod pushes arc-extinguish chamber to move up
While so that moving contact and two static contacts is contacted, arc-extinguish chamber extension board also move up make two auxiliary contacts respectively with two
Assist contact pad.
In the present invention, further, metal moves spacer bottom centre and is equipped with through-hole, is equipped in through-hole and extend into gold
Belong to the metal exhaust tube moved inside spacer, the metal exhaust tube tail portion is closed；The metal exhaust tube by soldering with
Metal moves spacer and is seamlessly connected.
The utility model has the beneficial effects that：
1, arc-extinguish chamber separates the internal cavities of ceramic case in the utility model, keeps the first cavity and the second cavity mutual
Independent, to make moving contact and static contact in the first cavity, auxiliary contact and auxiliary contact are in the second cavity, this structure
High-voltage DC contactor when disconnecting, moving contact and static contact 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 and auxiliary contact, improve the steady of high-voltage DC contactor
It is qualitative.
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 utility model, below to the attached drawing used in embodiment description
And reference numeral does simple introduction.
Fig. 1 is the structural schematic diagram of the utility model embodiment 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 utility model, with reference to the attached drawing of the utility model embodiment, to the utility model
The scheme of embodiment is clearly and completely described.
Shown in attached drawing 1 to 5, the ceramic package high voltage direct current contact with auxiliary contact shown in the utility model embodiment
Device, including shell and pushing meanss, shell include 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 utility model embodiment 1, the dynamic iron core 9 in pushing meanss is sleeved on metal and moves push rod 15 in spacer 4
Lower end 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 11 top of the first spring
On push rod 15,15 upper end of push rod is set with moving contact 14, and second spring 12 is equipped between the convex shoulder and moving contact 14 of push rod 15, is pushed away
15 upper and lower ends of bar use nut check.
In the utility model embodiment, arc-extinguish chamber 13 is sleeved on opening uply above the convex shoulder of push rod 15, arc-extinguish chamber
13 outer walls are 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
It opens, the first 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 the utility model embodiment, auxiliary contact 20 and auxiliary contact 19 are two, two 20 Hes of auxiliary contact
Two auxiliary contacts 19 are in the same side of arc-extinguish chamber extension board 17 and symmetrical.
In the utility model embodiment, further, on the first order ladder 5 of ceramic case 1 it is symmetrical set there are two
The static contact 21 extending into the first cavity 6, two static contacts 21 and corresponding, push rod above and below the position of two auxiliary contacts 20
15 promotion arc-extinguish chambers 13 move up while so that moving contact 14 and two static contacts 21 is contacted, and arc-extinguish chamber extension board 17 is also upward
It is mobile that two auxiliary contacts 20 is 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 the utility model embodiment, metal moves 4 bottom centre of spacer and is equipped with through-hole 22, is equipped with and extend into through-hole 22
Metal moves the metal exhaust tube 23 inside spacer 4, and 23 tail portion of metal exhaust tube is closed, metal exhaust, and 23 pass through pricker
Weldering is moved spacer 4 with metal and is seamlessly connected, and the air-tightness of high-voltage DC contactor is ensure that, to make high-voltage DC contactor dislike
The case where not cracking in bad environment, 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 |
|---|---|---|---|
| CN201820401899.1U CN207947224U (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 |
|---|---|---|---|
| CN201820401899.1U CN207947224U (en) | 2018-03-23 | 2018-03-23 | Ceramic package high-voltage DC contactor with auxiliary contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207947224U true CN207947224U (en) | 2018-10-09 |
Family
ID=63698355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820401899.1U Expired - Fee Related CN207947224U (en) | 2018-03-23 | 2018-03-23 | Ceramic package high-voltage DC contactor with auxiliary contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207947224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447739A (en) * | 2018-03-23 | 2018-08-24 | 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 CN201820401899.1U patent/CN207947224U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447739A (en) * | 2018-03-23 | 2018-08-24 | 浙江瑞光新能源科技有限公司 | Ceramic package high-voltage DC contactor with auxiliary contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: RUIGUANG VACUUM ELECTRIC Co.,Ltd. Assignor: ZHEJIANG RUIGUANG NEW ENERGY SCIENCE AND TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000084 Denomination of utility model: Ceramic encapsulated high voltage DC contactor with auxiliary contact Granted publication date: 20181009 License type: Common License Record date: 20210819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181009 |