CN205723343U - Closed type HVDC relay - Google Patents
Closed type HVDC relay Download PDFInfo
- Publication number
- CN205723343U CN205723343U CN201620494062.7U CN201620494062U CN205723343U CN 205723343 U CN205723343 U CN 205723343U CN 201620494062 U CN201620494062 U CN 201620494062U CN 205723343 U CN205723343 U CN 205723343U
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- insulating boot
- cup
- yoke
- wall
- exit
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Abstract
The utility model discloses a kind of closed type HVDC relay, including insulating boot and yoke dish, described yoke dish upwardly extends and is formed with fixed part cylindrical in shape, described insulating boot is the cup-like structure of back-off, yoke dish and insulating boot are collectively forming the chamber accommodating sound contact, insulating boot lower end and the threaded engagement position sealant pouring and sealing of the mutual threaded engagement of fixed part of yoke dish, insulating boot lower end and fixed part.This utility model ensures the rigidity of the structure of this utility model relay by the insulating boot of ceramic material, there is no the process of soldering processes, make that the relay production cycle of the present utility model is shorter, production cost is relatively low, this utility model ensures the sealing of relay by encapsulating, the use voltage of relay can be improved, the voltage making relay of the present utility model can reach one kilovolt, to improve serviceability of the present utility model.
Description
Technical field
This utility model relates to a kind of HVDC relay, is specifically related to a kind of closed type HVDC relay carrying out encapsulation process.
Background technology
HVDC relay includes framework and yoke plate, framework and yoke plate are formed with receiving stationary contact assembly and the chamber of movable contact assembly, and stationary contact assembly includes that exit and stationary contact, exit and framework fix and extend to outside framework, wherein, chamber domestic demand evacuation be filled with noble gas.At present in technology, framework mostly is plastic material or ceramic material, use plastic material framework can arrange in pairs or groups fluid sealant chamber is carried out encapsulation process with ensure chamber sealing, the contact position of plastic frame Yu yoke plate is carried out sealant sealing, and the contact position outside exit and framework is carried out sealant sealing；Use the framework of ceramic material, then ensured the rigidity of product structure by the rigidity of ceramic material itself, thus ensure the sealing of chamber.
The mode of plastic frame collocation sealant pouring and sealing has the advantage that the production cycle is shorter, technological requirement is relatively low, production cost is relatively low, but plastic frame can soften by temperature influence in long use, fluid sealant also can be burnt jaundice by temperature influence, and the noble gas of chamber has disclosure risk；And fluid sealant temperature influence can expand with heat and contract with cold, between fluid sealant and exit, have gap, the generation of explosion accident can be caused.
Use the relay of ceramic material framework, rigidity due to ceramic frame itself, long-time use also only can cause ceramic frame crack, without there is the danger of Fire explosion, but the relay using ceramic frame needs the soldering carrying out ceramic frame with the soldering of yoke plate, exit and ceramic frame, and its production cycle is longer, to be produced relatively costly.
Summary of the invention
The purpose of this utility model is to provide that a kind of better tightness, production cost be relatively low, serviceability better seal type HVDC relay.
For achieving the above object, this utility model adopts the following technical scheme that a kind of closed type HVDC relay, including insulating boot and yoke dish, described yoke dish upwardly extends and is formed with fixed part cylindrical in shape, described insulating boot is the cup-like structure of back-off, yoke dish and insulating boot are collectively forming the threaded engagement position sealant pouring and sealing of the mutual threaded engagement of fixed part of the chamber accommodating sound contact, insulating boot lower end and yoke dish, insulating boot lower end and fixed part.
Wherein, insulating boot uses the isolation material of non-plastic to make, such as pottery, make relay of the present utility model will not temperature influence generation insulating boot situation about softening, the risk of noble gas leakage in chamber can be avoided.This utility model is threaded connection fixing mode and carries out the fixing of insulating boot and yoke dish (yoke plate), it is not necessary to carry out brazing operation, and desired technique is simpler, cost is lower.The sealing of insulating boot and yoke valve snail stricture of vagina matching part is carried out, to avoid insulating boot and yoke dish to fix the leakage of the noble gas in the chamber of formation by fluid sealant.Insulating boot lower end can form external screw thread, it is possible to forms female thread, and yoke dish forms the helicitic texture corresponding with insulating boot.Sealant pouring and sealing can be carried out in several ways, as formed heavy glue groove outside insulating boot, by sealing toward encapsulating in heavy glue groove；Owing to fluid sealant has certain viscosity, it is possible to directly carry out gluing sealing in threaded engagement part.
As preferably, described insulating boot lower end is formed with external thread part, fixed part is formed with internal thread part, and the thread depth of described internal thread part has external screw thread with the fixed part threaded engagement of yoke dish so that insulating boot exposes relative to the position on the upside of fixed part less than the thread depth of external thread part, insulating boot.
The thread depth of internal thread part is the working depth of threaded engagement, when after external thread part with screw-internal thread fit, insulating boot relative to the position above yoke dish fixed part expose not with the external screw thread of screw-internal thread fit, fluid sealant can enter the gap between insulating boot and yoke dish to carry out filling sealant sealing at the external screw thread exposed.Wherein, insulating boot is positioned at outside chamber at the threaded engagement of yoke dish, it is simple to carry out sealant pouring and sealing.
As preferably, described insulating boot lower end is formed with external thread part, fixed part is formed with internal thread part, it is provided with magnetic circuit system below described yoke dish, described magnetic circuit system is arranged in yoke cup cylindrical in shape, and the wall of cup of described yoke cup extends upwardly to the top of described yoke dish fixed part upper surface, and insulating boot lower surface offsets with yoke dish, being formed with the first encapsulating chamber between wall of cup and the insulating boot of described yoke cup, described first encapsulating intracavity is filled with fluid sealant.
This utility model forms heavy glue groove by yoke cup and insulating boot, it is simple to the sealant pouring and sealing of this utility model relay；Simultaneously, it is possible to by forming heavy glue groove between the shell of relay and insulating boot.Toward the first encapsulating intracavity encapsulating, fluid sealant is limited in heavy glue groove, will not sinuous flow, fluid sealant can be entered between insulating boot and yoke dish by gravity, can carry out sealant pouring and sealing more easily.
As preferably, described insulating boot, yoke dish and yoke cup are respectively provided with in the enclosure, described shell structure cylindrical in shape, described cover top portion is fixed with upper cover, described upper cover is positioned at above insulating boot, exit includes epimere, stage casing and hypomere, stationary contact is fixed with exit hypomere, exit stage casing fixes with insulating boot, the epimere of exit passes insulating boot and upper cover to extend to outside upper cover, described upper cover is formed for the first through hole that exit upper end is passed through, described upper cover is formed with encapsulating mouth, the second encapsulating chamber it is formed with between described upper cover and insulating boot, described second encapsulating intracavity is filled with fluid sealant.
The encapsulating mouth formed by upper cover carries out encapsulating to the second encapsulating chamber, to carry out the encapsulation process of joint outside exit and insulating boot.Wherein, encapsulating mouth is arranged on and covers, and can carry out the sealant pouring and sealing at exit, and there is no concern that fluid sealant flows out after relay of the present utility model completes to assemble.
As preferably, described first encapsulating chamber communicates with described second encapsulating chamber.Sealant pouring and sealing process can be carried out after relay of the present utility model is completed, when the second encapsulating chamber is carried out encapsulating, fluid sealant along insulating boot outer wall to dirty, so that the first encapsulating chamber is carried out encapsulating, after completing the encapsulating at the first encapsulating chamber, fluid sealant gradually fills up the gap between the shell wall of shell and insulating boot outer wall, finally completes the encapsulating in the second encapsulating chamber.
As preferably, the diameter of described first through hole is more than the external diameter of described exit, and the gap between the epimere of described exit and upper cover is described encapsulating mouth.The position of the positional distance exit of encapsulating mouth is nearest, and the position in positional distance the first encapsulating chamber of encapsulating mouth is the most nearest, it is simple to fluid sealant enters the first encapsulating chamber, it is simple to encapsulating operation.When carrying out encapsulating, carrying out filler between the first through hole and exit, glue to be sealed diffuses out the first through hole or fluid sealant and completes the sealant pouring and sealing process of this utility model relay when being positioned at the first through hole.
As preferably, the wall of cup of described yoke cup includes wall of cup top and wall of cup bottom, and the external diameter on described wall of cup top is more than the external diameter of described wall of cup bottom, and the shell wall of described shell is formed with lip configuration, and the lower edge on described wall of cup top offsets with described lip configuration.Above-mentioned setting can reduce the consumption of fluid sealant, reduces the encapsulating used time.
As preferably, the internal diameter on the wall of cup top of described yoke cup is more than the internal diameter of wall of cup bottom, and described yoke dish lower surface offsets with described wall of cup bottom upper limb.Above-mentioned setting can reduce the consumption of fluid sealant, and reduces the encapsulating used time.
As preferably, the outer rim of described upper cover lower surface is formed with several positioning convex downwardly extended, and several positioning convex uniform intervals ringwise is arranged, and described positioning convex offsets inside the shell wall of described shell.Wherein, above-mentioned setting is easy to the location of upper cover and shell and is fixed.
As preferably, described insulating boot is made up of ceramic material, external screw thread is had on the downside of the stage casing of described exit, described insulating boot top is formed with the first tapped through hole matched with described exit stage casing, and the first tapped through hole of described insulating boot and the equal insulating boot of external screw thread of external thread part are one-body molded when sintering.Relay of the present utility model uses the insulating boot of ceramic material, by the rigidity guarantee insulating boot of insulating boot and stablizing of yoke dish helicitic texture, ensures the sealing of this utility model relay further.Wherein, obtain pottery idiosome by doing mould, re-sinter and the cover wall lower end of insulating boot can be made to be formed with external screw thread, more cost-effective compared with processing screw thread on the cover wall of the insulating boot at ceramic material.Bolt is inserted in insulating boot ceramic proembryo, after making idiosome be formed, bolt is screwed out from the top of idiosome, re-sinter the second through hole that insulating boot can be made to obtain having helicitic texture, technique is simple, it is lower that cost relatively processes screw thread in ceramic shield, and also cost more desired with insulating boot soldering than exit is lower.Wherein, exit uses with insulating boot to threaded fixes the bonding strength that can increase exit with insulating boot, can reduce the thickness at the top of ceramic material insulating boot, reduce production cost of the present utility model under ensureing the exit bonding strength with insulating boot.
This utility model ensures the rigidity of the structure of this utility model relay by the insulating boot of ceramic material, there is no the process of soldering processes, make that the relay production cycle of the present utility model is shorter, production cost is relatively low, this utility model ensures the sealing of relay by encapsulating, the use voltage of relay can be improved, the voltage making relay of the present utility model can reach one kilovolt, to improve serviceability of the present utility model.
Accompanying drawing explanation
Fig. 1 is a kind of generalized section after this utility model encapsulating；
Fig. 2 is a kind of top view of the present utility model；
Fig. 3 is a kind of generalized section before this utility model encapsulating；
Fig. 4 is a kind of structural representation of insulating boot of the present utility model；
Fig. 5 is a kind of structural representation of yoke dish of the present utility model；
Fig. 6 is a kind of structural representation of yoke cup of the present utility model；
Fig. 7 is a kind of structural representation of upper cover of the present utility model；
Fig. 8 is enlarged drawing at the A of Fig. 3.
Detailed description of the invention
Shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, a kind of closed type HVDC relay of the present utility model, including insulating boot 1, yoke dish 2, the insulating boot 1 cup-like structure in back-off, yoke dish 2 outer rim upwardly extends fixed part 11 cylindrical in shape, the mutual threaded engagement of fixed part 11 of insulating boot 1 lower end and yoke dish 2 is fixed, insulating boot 1 and yoke dish 2 are screwed and are formed with the threaded engagement position of receiving movable contact assembly and the chamber of stationary contact assembly, insulating boot lower end and fixed part by fluid sealant 8 sealant pouring and sealing.
Fixed part 11 is formed with internal thread part 12, and insulating boot 1 lower end is formed with the external thread part 13 matched with internal thread part 12.Insulating boot 1 and yoke dish 2 are screwed and are formed with receiving movable contact assembly and the chamber of stationary contact assembly, and movable contact assembly includes that movable contact spring 3 and movable contact, stationary contact assembly include stationary contact and exit 4, and exit 4 fixes with the top of insulating boot 1.Exit 4 includes that epimere, stage casing and hypomere, stationary contact fix with the hypomere of exit, and the stage casing of exit is formed with external screw thread, and insulating boot 1 is formed with the second tapped through hole 44 matched with exit stage casing.The helicitic texture of the second tapped through hole of insulating boot 1 and the external thread part 12 of insulating boot 1 lower end are during insulating boot sintering one-body molded, and insulating boot is made up of ceramic material.Second tapped through hole of insulating boot and the forming method of external thread part be: insert bolt in insulating boot ceramic proembryo, the ceramic idiosome that there is external thread part by doing mould to obtain, after making idiosome be formed, bolt is screwed out, re-sinter the insulating boot that i.e. can obtain that there is the second tapped through hole and external thread part.Technique is simple, and it is lower that cost relatively processes screw thread on pottery, and also cost more desired with insulating boot soldering than exit is lower.Wherein, exit uses with insulating boot to threaded fixes the bonding strength that can increase exit with insulating boot, can reduce the thickness of ceramic material insulating boot, reduce production cost of the present utility model under ensureing the exit bonding strength with insulating boot.
The thread depth of external thread part 13 is more than the thread depth of internal thread part 12, insulating boot 1 has external screw thread with fixed part 11 threaded engagement of yoke dish 2 so that insulating boot 1 exposes relative to the position fixing 11 upsides, is formed with the first encapsulating chamber 17 between the external screw thread that the wall of cup of yoke cup and insulating boot expose.Magnetic circuit system 5 it is provided with below yoke dish 2, magnetic circuit system 5 is arranged in yoke cup 6 cylindrical in shape, the wall of cup of yoke cup 6 extends upwardly to the top of fixed part 11 upper surface of yoke dish 2, and insulating boot 1 is screwed with yoke dish 2 and makes insulating boot 1 lower surface offset with yoke dish 2 upper surface.
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 7, insulating boot 1, yoke dish 2 and yoke cup 6 are arranged in shell 10, shell 10 structure cylindrical in shape, and the top of shell 10 is fixed with upper cover 9, and upper cover 9 is positioned at above insulating boot 1.The epimere of exit 4 is through insulating boot 1 and upper cover 9 to extend to outside upper cover 9, and upper cover 9 is formed for the first through hole 14 that exit 4 epimere passes through.Upper cover 9 is formed with encapsulating mouth 15, is formed with the second encapsulating chamber 18 between upper cover 9 and insulating boot 1, and the first encapsulating chamber 17 communicates with the second encapsulating chamber 18, and is all filled with fluid sealant 8 in the first encapsulating chamber 17 and the second encapsulating chamber 18.
Shown in Fig. 1, Fig. 2, Fig. 3, the diameter of the first through hole 14 of upper cover 9 is more than the external diameter of exit 4 epimere, and the gap between exit 4 epimere and upper cover 9 is encapsulating mouth 15.Filler is carried out from encapsulating mouth 15, fluid sealant flows to the first encapsulating chamber 17 along the gap between shell 10 and insulating boot 1, the gap (gap between insulating boot and yoke dish fixed part) that the external screw thread that fluid sealant exposes along insulating boot enters between external thread part and internal thread part seals with the threaded engagement position to insulating boot with yoke dish, fluid sealant fills up the first encapsulating chamber 17 successively, gap between shell and insulating boot, carry out the contact position filled with sealing exit and insulating boot outer surface in the second encapsulating chamber 18 subsequently, treat that the second encapsulating chamber 18 is filled, fluid sealant overflows from encapsulating mouth or fluid sealant is positioned at encapsulating mouth and i.e. completes whole sealant pouring and sealing operation.
Shown in Fig. 1, Fig. 3, Fig. 6, Fig. 8, the wall of cup of yoke cup 6 includes wall of cup top 20 and wall of cup bottom 21, the external diameter on wall of cup top 20 is more than the external diameter of wall of cup bottom 21, and the shell wall of shell 10 is formed with lip configuration 22, and the lower edge on wall of cup top 20 offsets with lip configuration 22.The internal diameter on the wall of cup top 20 of yoke cup 6 is more than the internal diameter of wall of cup bottom 21, and yoke dish 2 lower surface offsets with wall of cup bottom 21 upper limb.Above-mentioned setting can avoid fluid sealant to enter magnetic circuit system, reduces the loss of fluid sealant encapsulating.
Shown in Fig. 1, Fig. 3, Fig. 7, the lower surface of upper cover 9 is formed with two positioning convex downwardly extended 16, and two positioning convex 16 are arranged at the opposite sides of upper cover 9 lower surface, and upper cover 9 coordinates so that positioning convex 16 offsets inside the shell wall of shell 10 with shell 10.Above-mentioned setting is easy to the location of upper cover 9 and shell 10 and is fixed.
This utility model ensures the rigidity of this utility model relay construction by the insulating boot of ceramic material, there is no the process of soldering processes, make that the relay production cycle of the present utility model is shorter, production cost is relatively low, this utility model ensures the sealing of relay by encapsulating, the use voltage of relay can be improved, the voltage making relay of the present utility model can reach one kilovolt, to improve serviceability of the present utility model.
Claims (10)
1. a closed type HVDC relay, it is characterized in that including insulating boot and yoke dish, described yoke dish upwardly extends and is formed with fixed part cylindrical in shape, described insulating boot is the cup-like structure of back-off, yoke dish and insulating boot are collectively forming the chamber accommodating sound contact, insulating boot lower end and the threaded engagement position sealant pouring and sealing of the mutual threaded engagement of fixed part of yoke dish, insulating boot lower end and fixed part.
Closed type HVDC relay the most according to claim 1, it is characterized in that described insulating boot lower end is formed with external thread part, fixed part is formed with internal thread part, the thread depth of described internal thread part has external screw thread with the fixed part threaded engagement of yoke dish so that insulating boot exposes relative to the position on the upside of fixed part less than the thread depth of external thread part, insulating boot.
Closed type HVDC relay the most according to claim 1 and 2, it is characterized in that described insulating boot lower end is formed with external thread part, fixed part is formed with internal thread part, it is provided with magnetic circuit system below described yoke dish, described magnetic circuit system is arranged in yoke cup cylindrical in shape, the wall of cup of described yoke cup extends upwardly to the top of described yoke dish fixed part upper surface, insulating boot lower surface offsets with yoke dish, being formed with the first encapsulating chamber between wall of cup and the insulating boot of described yoke cup, described first encapsulating intracavity is filled with fluid sealant.
Closed type HVDC relay the most according to claim 3, it is characterized in that described insulating boot, yoke dish and yoke cup are respectively provided with in the enclosure, described shell structure cylindrical in shape, described cover top portion is fixed with upper cover, described upper cover is positioned at above insulating boot, exit includes epimere, stage casing and hypomere, stationary contact is fixed with exit hypomere, exit stage casing fixes with insulating boot, the epimere of exit passes insulating boot and upper cover to extend to outside upper cover, described upper cover is formed for the first through hole that exit upper end is passed through, described upper cover is formed with encapsulating mouth, the second encapsulating chamber it is formed with between described upper cover and insulating boot, described second encapsulating intracavity is filled with fluid sealant.
Closed type HVDC relay the most according to claim 4, it is characterised in that described first encapsulating chamber communicates with described second encapsulating chamber.
Closed type HVDC relay the most according to claim 4, it is characterised in that the diameter of described first through hole is more than the external diameter of described exit, and the gap between the epimere of described exit and upper cover is described encapsulating mouth.
Closed type HVDC relay the most according to claim 4, it is characterized in that the wall of cup of described yoke cup includes wall of cup top and wall of cup bottom, the external diameter on described wall of cup top is more than the external diameter of described wall of cup bottom, the shell wall of described shell is formed with lip configuration, and the lower edge on described wall of cup top offsets with described lip configuration.
Closed type HVDC relay the most according to claim 7, it is characterised in that the internal diameter on the wall of cup top of described yoke cup is more than the internal diameter of wall of cup bottom, and described yoke dish lower surface offsets with described wall of cup bottom upper limb.
Closed type HVDC relay the most according to claim 4, it is characterized in that the outer rim of described upper cover lower surface is formed with several positioning convex downwardly extended, several positioning convex uniform intervals ringwise is arranged, and described positioning convex offsets inside the shell wall of described shell.
Closed type HVDC relay the most according to claim 4, it is characterized in that described insulating boot is made up of ceramic material, external screw thread is had on the downside of the stage casing of described exit, described insulating boot top is formed with the first tapped through hole matched with described exit stage casing, and the first tapped through hole of described insulating boot and the equal insulating boot of external screw thread of external thread part are one-body molded when sintering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620494062.7U CN205723343U (en) | 2016-05-27 | 2016-05-27 | Closed type HVDC relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620494062.7U CN205723343U (en) | 2016-05-27 | 2016-05-27 | Closed type HVDC relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723343U true CN205723343U (en) | 2016-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620494062.7U Withdrawn - After Issue CN205723343U (en) | 2016-05-27 | 2016-05-27 | Closed type HVDC relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205723343U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895452A (en) * | 2016-05-27 | 2016-08-24 | 浙江英洛华新能源科技有限公司 | Sealed high-voltage DC relay |
| CN106783407A (en) * | 2016-12-05 | 2017-05-31 | 浙江英洛华新能源科技有限公司 | HVDC relay insulation frame |
| CN108550500A (en) * | 2018-04-27 | 2018-09-18 | 景德镇品安特陶有限公司 | The ceramic seal technique of high-voltage direct-current relay |
| CN116230453A (en) * | 2023-05-08 | 2023-06-06 | 浙江英洛华新能源科技有限公司 | Connection structure and method of relay leading-out terminal and insulating cover |
-
2016
- 2016-05-27 CN CN201620494062.7U patent/CN205723343U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895452A (en) * | 2016-05-27 | 2016-08-24 | 浙江英洛华新能源科技有限公司 | Sealed high-voltage DC relay |
| WO2017088492A1 (en) * | 2016-05-27 | 2017-06-01 | 浙江英洛华新能源科技有限公司 | Sealed-type high voltage direct current relay |
| CN106783407A (en) * | 2016-12-05 | 2017-05-31 | 浙江英洛华新能源科技有限公司 | HVDC relay insulation frame |
| CN106783407B (en) * | 2016-12-05 | 2018-08-03 | 浙江英洛华新能源科技有限公司 | High voltage direct current relay insulation frame |
| CN108550500A (en) * | 2018-04-27 | 2018-09-18 | 景德镇品安特陶有限公司 | The ceramic seal technique of high-voltage direct-current relay |
| CN116230453A (en) * | 2023-05-08 | 2023-06-06 | 浙江英洛华新能源科技有限公司 | Connection structure and method of relay leading-out terminal and insulating cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20171110 |
|
| AV01 | Patent right actively abandoned |