CN206179787U - High -voltage direct -current relay seal structure - Google Patents
High -voltage direct -current relay seal structure Download PDFInfo
- Publication number
- CN206179787U CN206179787U CN201621320937.8U CN201621320937U CN206179787U CN 206179787 U CN206179787 U CN 206179787U CN 201621320937 U CN201621320937 U CN 201621320937U CN 206179787 U CN206179787 U CN 206179787U
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- yoke
- fixed part
- ceramic shield
- exit
- fixed
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Abstract
The utility model discloses a high -voltage direct -current relay seal structure, including ceramic cover and yoke, the yoke makes progress to extend to be formed with and is shaft type yoke fixed part, ceramic cover includes the top, and top downwardly extending has the shaft type of being a ceramic cover fixed part, top and the cup -shaped structure of ceramic cover fixed part cooperation in order to constitute the back -off, the yoke cooperates in order to be formed with the cavity that is used for holding movable contact and stationary contact with ceramic cover, the stationary contact is fixed in draws forth the end hypomere, draw forth the end with ceramic cover's top is fixed, the movable contact is fixed in the both ends of movable contact spring, the movable contact spring is fixed in the upper end of catch bar, ceramic cover fixed part lower extreme with the mutual screw -thread fit of yoke fixed part, the ceramic cover fixed part lower extreme outside or ceramic cover fixed part lower extreme downside are provided with first sealing washer, ceramic cover fixed part lower extreme is filled with the screw -thread fit position of yoke fixed part has sealing glue.
Description
Technical field
The utility model is related to a kind of sealing structure of HVDC relay.
Background technology
HVDC relay includes insulating boot and yoke, insulating boot and yoke cooperatively formed receiving stationary contact component and
The chamber of movable contact component, stationary contact component includes exit and stationary contact, and exit is mutually fixed with insulating boot and extends to absolutely
Edge cover outside, chamber domestic demand is vacuumized and is filled with inert gas.Wherein, encapsulation process is needed between exit and insulating boot, absolutely
Edge cover is also required to encapsulation process with the bearing of yoke.
Existing insulating boot is generally plastics or ceramic material, and with yoke by sealant pouring and sealing, glue is heated plastic insulation cover
Easily soften and even burnt, the sealing of relay is difficult to ensure that；Ceramic insulation cover is fixed by soldering with yoke, sealing
Preferably, but soldering to fix required technique complex so that production cycle of relay is more long, want production cost compared with
It is high.
The content of the invention
The purpose of this utility model is to provide that a kind of sealing is high, can guarantee that relay performance, reducing production cost
HVDC relay sealing structure.
The utility model discloses a kind of HVDC relay sealing structure, including ceramic shield and yoke, the yoke
Upwardly extend and be formed with yoke fixed part cylindrical in shape, the ceramic shield includes top, top down is extended with pottery cylindrical in shape
Porcelain cover fixed part, the top coordinates with ceramic shield fixed part to constitute the cup-like structure of back-off, and the yoke is matched somebody with somebody with ceramic shield
Close to be formed with the chamber for accommodating movable contact and stationary contact, the stationary contact is fixed on exit hypomere, the exit
Top with the ceramic shield is fixed, and the movable contact is fixed on the two ends of movable contact spring, and the movable contact spring is fixed on catch bar
There is a yoke through hole passed through for catch bar upper end, yoke downside, the lower end of the catch bar be located at below yoke and with it is dynamic
Iron core is fixed, and is provided with two magnet steel in the chamber, and the magnet steel is oppositely arranged and positioned at the outside of stationary contact, two magnet steel and
Two stationary contacts are located along the same line, and the ceramic shield fixed part lower end coordinates with the mutual screw thread of the yoke fixed part, institute
State ceramic shield fixed part lower end outside or ceramic shield fixed part lower end downside is provided with the first sealing ring, the ceramic shield fixed part
Lower end is filled with sealing glue with the thread fiting part position of yoke fixed part.
Wherein, ceramic shield is made of the isolation material of non-plastic, relay of the present utility model is not received temperature shadow
Ring and the situation that ceramic shield softens occurs, the risk of inert gas leakage in chamber can be avoided, so as to ensure the utility model relay
The performance of device.The utility model is connected through a screw thread fixed mode and carries out the fixation of ceramic shield and yoke, it is not necessary to enter
Row brazing operation, desired technique simpler, cost is lower.Ceramic shield is carried out with yoke thread fiting part position by fluid sealant
Sealing, the leakage of the inert gas to avoid ceramic shield from mutually being fixed in the chamber for being formed with yoke.Because sealing is after the glue solidifies
Can be shunk by temperature change so that the gap at screw thread cooperation is exposed, there is the risk of inert gas leakage, the utility model
By on the downside of ceramic shield fixed part or outside set the first sealing ring, by the first sealing ring to ceramic shield fixed part and yoke
Gap between fixed part is sealed, and the utility model uses fluid sealant and sealing ring to realize that dual-seal is protected.
Preferably, the ceramic shield fixed part lower end is formed with external thread part, the yoke fixed part is formed with interior spiral shell
Line portion, the yoke upper surface is formed with the first annular groove for extending downwardly, and first sealing ring coordinates described first
In annular groove, the ceramic shield is screwed with the yoke and makes the ceramic shield fixed part lower surface close with described first
Seal offsets., ceramic shield fixed part be formed with external thread part, compared with ceramic shield fixed part formed internal thread part thread fiting mode
For, can make that relay volume is smaller, the assembling of the first sealing ring can be made more convenient.Carry out the assembling of yoke and ceramic shield
Before, the first sealing ring is positioned in first annular groove, subsequent ceramic shield is screwed with yoke, with ceramic shield fixed part
Lower end is close with yoke upper surface, and the first sealing ring is pressed in first annular groove by ceramic shield fixed part lower end.
Preferably, the outer radial cell wall of the first annular groove is located relatively at the yoke fixed part lower end inner wall
Outside, the first sealing ring outer rim contacts with the outer radial cell wall of the first annular groove.Wherein, the first sealing is made
Circle outer rim extends to the outside of yoke fixed part lower end inner wall, so that deformation is with full of first annular when the first sealing ring is compacted
Part on the outside of groove, so that the gap between the first sealing ring closure yoke fixed part and ceramic shield fixed part；Wherein, may be selected
Less first sealing ring of diameter, and the first sealing ring outer rim is offseted with first annular groove outer radial cell wall；Also it is optional
The first sealing ring being relatively large in diameter is selected, radially inside cell wall offsets with first annular groove to make the first sealing ring inner edge.
Preferably, the yoke fixed part upper end extends to radial outside is formed with outer bulge loop, the outer bulge loop it is interior
Wall extends to radial outside to form annular glue-filling slot, and the sealing glue fills the annular glue-filling slot.Wherein, annular encapsulating
Groove is used to seal the encapsulating of glue, again toward encapsulating in annular glue-filling slot after yoke and ceramic shield screw thread coordinate, to save encapsulating
Amount.
Preferably, the exit includes exit epimere and exit hypomere, the external diameter of the exit epimere is big
In the external diameter of the exit hypomere to form ledge structure, the ceramic shield top is formed with the first through hole, the extraction
End hypomere outer wall and the first through hole hole wall screw thread cooperation so that the exit lower end is extended in the chamber, the extraction
Be provided with the second sealing ring between end epimere lower surface and ceramic shield top upper surface, the exit coordinate with screw top so that
Second sealing ring is limited between exit epimere and top.Above-mentioned setting passes through the second sealing ring to block exit
Gap between epimere lower surface and ceramic shield top upper surface, to ensure the sealing of chamber；By exit and ceramic shield top
Be screwed and realize the fixation of the second sealing ring.
Preferably, the lower surface of the exit hypomere is formed with the second annular groove for upwardly extending, or the top
Portion upper surface is formed with the second annular groove for extending downwardly, and the exit is screwed with the ceramic shield and makes described second
Sealing ring is located in second annular groove, and the exit coordinates so that second annular groove and institute with screw top
State the first through hole to communicate, the second sealing ring inner edge is in contact with the exit hypomere outer wall.
Preferably, the ceramic shield and yoke are both secured in housing, the housing includes base, and base is upwardly extended
And be formed with the side wall for enclosing structure, to form housing cavity, the ceramic shield is located in housing side opening on the housing
In chamber and the sidewall sheath is set to be located at the ceramic shield radial outside, the housing is combined with lid, and the upper lid is consolidated with side wall
Determine and close the opening of housing, gap is each formed between the upper lid and the ceramic shield, between side wall and ceramic shield, it is described
Filled with sealing glue in gap.By the second sealing ring and sealing glue dual-seal ensureing the stream of inert gas in chamber
Lose.
The utility model has the advantages that kind of sealing is high, can guarantee that relay performance, reduces production cost.
Brief description of the drawings
Fig. 1 is a kind of overall generalized section of the utility model；
Fig. 2 is a kind of generalized section that ceramic shield of the present utility model coordinates with yoke；
Fig. 3 is a kind of structural representation of yoke of the present utility model.
Specific embodiment
The utility model is further described below according to the drawings and specific embodiments.
As shown in Fig. 1, Fig. 2, Fig. 3, a kind of HVDC relay sealing structure of the present utility model, including ceramic shield 1
With yoke 2, yoke 2 upwardly extends and is formed with yoke fixed part 21 cylindrical in shape, and ceramic shield 1 includes top 11, and top 11 is downward
Ceramic shield fixed part 12 cylindrical in shape is extended with, top 11 coordinates to constitute the cup-like structure of back-off with ceramic shield fixed part 12,
Yoke 2 coordinates to be formed with the chamber for accommodating movable contact and stationary contact, the lower end of ceramic shield fixed part 12 and yoke with ceramic shield 1
The mutual screw thread in ferropexy portion 21 coordinates, and the lower end of ceramic shield fixed part 12 downside is provided with the first sealing ring 10, ceramic shield fixed part
12 lower ends are filled with sealing glue with the thread fiting part position of yoke fixed part 21.Stationary contact is fixed on the hypomere of exit 3, draws
End 3 is fixed with the top 11 of ceramic shield 1, and movable contact is fixed on the two ends of movable contact spring 4, and movable contact spring 4 is fixed on the upper of catch bar 5
End, yoke 2 is formed with the yoke through hole 28 passed through for catch bar 5, the lower end of catch bar 5 be located at yoke below 2 and with dynamic iron core 6
It is fixed, two magnet steel 7 are provided with chamber, magnet steel 7 is oppositely arranged and positioned at the outside of stationary contact, two magnet steel 7 and two stationary contacts
Point is located along the same line.
The lower end of ceramic shield fixed part 12 is formed with external thread part, and yoke fixed part 21 is formed with internal thread part 22, on yoke 2
End face is formed with the first annular groove 23 for extending downwardly, and the first sealing ring 10 coordinates in first annular groove 23.First ring
The outer radial cell wall of connected in star 23 is located relatively at the outside of the lower end inner wall of yoke fixed part 21, the outer rim of the first sealing ring 10 and the
The outer radial cell wall contact of one annular groove 23.
The upper end of yoke fixed part 21 is formed with outer bulge loop 24 to radial outside extension, and the inwall of outer bulge loop 24 is to radial outside
Extend to form annular glue-filling slot 25, sealing glue is filled in annular glue-filling slot 25.Ceramic shield 1 is screwed simultaneously with yoke 2
The lower surface of ceramic shield fixed part 12 is set to be offseted with the first sealing ring 10, the first sealing ring 10 blocks yoke fixed part 21 and ceramic shield
Gap between fixed part 12
Exit 3 includes exit epimere 31 and exit hypomere 32, and the external diameter of exit epimere 31 is more than under exit
The external diameter of section 32 is forming ledge structure.Ceramic shield top 11 is formed with the first through hole, the outer wall of exit hypomere 32 and first
Through hole hole wall screw thread coordinates so that the lower end of exit 3 extends to the downside of top 11 of ceramic shield 1.The lower surface of exit epimere 31
The second sealing ring 20 is provided between 11 upper surfaces of ceramic shield top, the lower surface of exit hypomere 20 is formed with what is upwardly extended
Second annular groove 33, exit 3 and the screw thread of top 11 coordinate so that the second annular groove 33 is communicated with the first through hole, and second
Sealing ring 20 is limited between exit epimere 32 and top 11, the inner edge of the second sealing ring 20 and the outer wall phase of exit hypomere 32
Contact.
Ceramic shield 1 and yoke 2 are both secured in housing, and housing is formed with housing cavity and including base 8, and base 8 is upward
Extend and be formed with the side wall 81 for enclosing structure, ceramic shield 1 is located in housing cavity and side wall 81 is set in the footpath of ceramic shield 1
Laterally.Housing is combined with lid 82, and upper lid 82 is formed with the lip configuration 83 of mutual cooperation, upper lid 82 and side wall with side wall 81
81 fix and cover the top 11 for covering ceramic shield 1, are formed between upper lid 82 and top 11 in gap 84, and gap 84 filled with sealing
Glue, sealing glue is contacted around exit epimere 31 and with exit epimere radial outer wall.
Ceramic shield is made of ceramic material, make relay of the present utility model will not temperature influence occur ceramic shield it is soft
The situation of change, can avoid the risk of inert gas leakage in chamber.The utility model is connected through a screw thread fixed mode and carries out
The fixation of ceramic shield and yoke, it is not necessary to brazing operation is carried out, desired technique simpler, cost is lower, so that this practicality is new
Type has the advantages that to reduce production cost.The utility model passes through sealing ring（First sealing ring, the second sealing ring）And fluid sealant
Water coordinates realizes that dual-seal is protected, and the fixation of the first sealing ring is realized by ceramic shield and being screwed for yoke, by drawing
Go out end and realize the fixation of the second sealing ring with being screwed for ceramic shield.
Claims (7)
1. a kind of HVDC relay sealing structure, it is characterised in that including ceramic shield and yoke, the yoke is upwardly extended
Yoke fixed part cylindrical in shape is formed with, the ceramic shield includes top, and top down is extended with ceramic shield cylindrical in shape and fixes
Portion, the top coordinates with ceramic shield fixed part to constitute the cup-like structure of back-off, and the yoke coordinates to be formed with ceramic shield
There is the chamber for accommodating movable contact and stationary contact, the stationary contact is fixed on exit hypomere, the exit and the pottery
The top of porcelain cover is fixed, and the movable contact is fixed on the two ends of movable contact spring, and the movable contact spring is fixed on the upper end of catch bar, described
Yoke is formed with the yoke through hole passed through for catch bar, and the lower end of the catch bar is located at below yoke and is fixed with dynamic iron core,
Two magnet steel are provided with the chamber, the magnet steel is oppositely arranged and positioned at the outside of stationary contact, two magnet steel and two stationary contacts
Point is located along the same line, and the ceramic shield fixed part lower end coordinates with the mutual screw thread of the yoke fixed part, the ceramic shield
Fixed part lower end outside or ceramic shield fixed part lower end downside are provided with the first sealing ring, the ceramic shield fixed part lower end and yoke
The thread fiting part position in ferropexy portion is filled with sealing glue.
2. HVDC relay sealing structure according to claim 1, it is characterised in that under the ceramic shield fixed part
End is formed with external thread part, and the yoke fixed part is formed with internal thread part, and the yoke upper surface is formed with what is extended downwardly
First annular groove, first sealing ring coordinates in the first annular groove, the ceramic shield and the yoke screw thread
Fix and make the ceramic shield fixed part lower surface to be offseted with first sealing ring.
3. HVDC relay sealing structure according to claim 2, it is characterised in that the first annular groove
Outer radial cell wall is located relatively at the outside of the yoke fixed part lower end inner wall, the first sealing ring outer rim and described first
The outer radial cell wall contact of annular groove.
4. the HVDC relay sealing structure according to Claims 2 or 3, it is characterised in that on the yoke fixed part
Hold to extend to radial outside and be formed with outer bulge loop, the inwall of the outer bulge loop extends to form annular glue-filling slot to radial outside,
The sealing glue fills the annular glue-filling slot.
5. the HVDC relay sealing structure according to claim 1 or 2 or 3, it is characterised in that the exit bag
Exit epimere and exit hypomere are included, the external diameter of the exit epimere is more than the external diameter of the exit hypomere to form platform
Stage structure, the ceramic shield top is formed with the first through hole, the exit hypomere outer wall and the first through hole hole wall screw thread
Coordinate so that the exit lower end is extended in the chamber, the exit epimere lower surface and ceramic shield top upper surface
Between be provided with the second sealing ring, the exit coordinates so that second sealing ring is limited on exit with screw top
Between section and top.
6. HVDC relay sealing structure according to claim 5, it is characterised in that under the exit hypomere
End face is formed with the second annular groove for upwardly extending, or the top upper surface is formed with the second annular groove for extending downwardly,
The exit is screwed with the ceramic shield and second sealing ring is located in second annular groove, described to draw
Go out end with screw top cooperation so that second annular groove is communicated with first through hole, the second sealing ring inner edge
It is in contact with the exit hypomere outer wall.
7. HVDC relay sealing structure according to claim 6, it is characterised in that the ceramic shield and yoke are equal
It is fixed in housing, the housing includes base, base is upwardly extended and is formed with the side wall for enclosing structure, on the housing
To form housing cavity, the ceramic shield is located in housing cavity and the sidewall sheath is located at the ceramic shield radially side opening
Outside, the housing is combined with lid, and the upper lid is fixed and close the opening of housing with side wall, the upper lid and the ceramics
Between cover, gap is each formed between side wall and ceramic shield, filled with sealing glue in the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621320937.8U CN206179787U (en) | 2016-12-05 | 2016-12-05 | High -voltage direct -current relay seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621320937.8U CN206179787U (en) | 2016-12-05 | 2016-12-05 | High -voltage direct -current relay seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206179787U true CN206179787U (en) | 2017-05-17 |
Family
ID=60242281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621320937.8U Active CN206179787U (en) | 2016-12-05 | 2016-12-05 | High -voltage direct -current relay seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206179787U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180730A (en) * | 2017-07-04 | 2017-09-19 | 厦门宏发电力电器有限公司 | A kind of high-temperature resistant relay and production method |
| CN110473744A (en) * | 2019-08-09 | 2019-11-19 | 厦门宏发电力电器有限公司 | A kind of DC relay carrying out arc extinguishing based on magnet steel |
| CN112908780A (en) * | 2021-01-28 | 2021-06-04 | 厦门理工学院 | Multiple sealing method and structure of high-voltage direct-current relay |
| CN115458367A (en) * | 2022-11-09 | 2022-12-09 | 浙江英洛华新能源科技有限公司 | Contact part sealing structure of relay |
-
2016
- 2016-12-05 CN CN201621320937.8U patent/CN206179787U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107180730A (en) * | 2017-07-04 | 2017-09-19 | 厦门宏发电力电器有限公司 | A kind of high-temperature resistant relay and production method |
| CN110473744A (en) * | 2019-08-09 | 2019-11-19 | 厦门宏发电力电器有限公司 | A kind of DC relay carrying out arc extinguishing based on magnet steel |
| CN112908780A (en) * | 2021-01-28 | 2021-06-04 | 厦门理工学院 | Multiple sealing method and structure of high-voltage direct-current relay |
| CN112908780B (en) * | 2021-01-28 | 2024-03-19 | 厦门理工学院 | Multiple sealing method and structure of high-voltage direct-current relay |
| CN115458367A (en) * | 2022-11-09 | 2022-12-09 | 浙江英洛华新能源科技有限公司 | Contact part sealing structure of relay |
| CN115458367B (en) * | 2022-11-09 | 2023-04-11 | 浙江英洛华新能源科技有限公司 | Contact portion sealing structure of relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191015 Address after: 322100 Hengdian Electronic Industry Park, Jinhua, Zhejiang, Dongyang Patentee after: ZHEJIANG LINIX MOTOR CO., LTD. Address before: 322100 No. 196, industrial road, Hengdian Town, Zhejiang, Jinhua Patentee before: ZHEJIANG YINGLUOHUA NEW ENERGY TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right |