CN206379310U - A kind of DC relay for improving product break-make performance - Google Patents
A kind of DC relay for improving product break-make performance Download PDFInfo
- Publication number
- CN206379310U CN206379310U CN201720053603.7U CN201720053603U CN206379310U CN 206379310 U CN206379310 U CN 206379310U CN 201720053603 U CN201720053603 U CN 201720053603U CN 206379310 U CN206379310 U CN 206379310U
- Authority
- CN
- China
- Prior art keywords
- catch bar
- iron core
- relay
- make performance
- improving product
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 239000000919 ceramic Substances 0.000 claims description 25
- 238000009413 insulation Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A kind of DC relay for improving product break-make performance disclosed in the utility model, including stationary contact and catch bar, catch bar upper end is provided with movable contact spring, catch bar lower end periphery is fixed with dynamic iron core, the static iron core being sleeved on catch bar is provided with by adhesive spring above dynamic iron core, it is in the convex shoulder of integrative-structure that the static iron core upper end, which is provided with static iron core, catch bar above static iron core upper surface is provided with the boss with catch bar in integrative-structure, convex shoulder upper surface is provided with non-metallic gasket, and the non-metallic gasket is sleeved on below the boss of catch bar.The non-metallic gasket that DC relay of the present utility model is simple in construction, compact, set up in the middle of convex shoulder and boss, it ensure that catch bar after quick motion downwards, boss is fallen on non-metallic gasket, non-metallic gasket can effectively buffer the impulsive force of catch bar, prevent catch bar from occurring resilience, and then avoid movable contact spring from causing the secondary starting the arc, so as to improve the break-make performance of product, increase the service life of product.
Description
Technical field
The utility model is related to relay technical field, more particularly to a kind of direct current relay for improving product break-make performance
Device.
Background technology
Relay is a kind of electronic control device, is commonly used in automatic control circuit, and automatic tune is played in circuit
Section, safeguard protection, change-over circuit etc. are acted on.DC relay is widely used in photovoltaic/wind power generation as one kind of relay
The electronic charging corollary equipment such as system, new-energy automobile, charging station/charging pile, medicine equipment etc. need to switch dc source
Field.
Existing ceramic seal DC relay generally comprises two stationary contacts and upper end is provided with the catch bar of movable contact spring, two
Individual stationary contact and movable contact spring are located to be surrounded in the seal cavity formed by ceramic member and miscellaneous part, and line is provided with below catch bar
After circle, coil electricity, electromagnetic induction is produced, adhesive movable contact spring, catch bar is moved upwards, so that main power source is connected, and coil is disconnected
After electricity, catch bar is then moved downward, and disconnects main power source.In power process, the speed that catch bar is moved downward is exceedingly fast, movable contact spring
If the miscellaneous part of lower section can not effectively buffer the impulsive force of catch bar, catch bar easily resilience causes the secondary starting the arc so that
The break-make performance of DC relay is unstable, easily reduces the service life of product;In addition, process of the catch bar in up and down motion
In, the insulating properties inside DC relay directly determine the load life of product, if insulating properties are low, can reduce product
Load life.
In existing DC relay, the clamping ring for forming seal cavity is L-type structure, the connection of this structure
Circle is vertical envelope with the sealing-in mode of miscellaneous part, and thirty years of age of envelope mode weld strength is low, easily produces crack when thermally stressed,
So as to cause product gas leakage;In addition, the fixed form of catch bar lower end and dynamic iron core is generally back-up ring connection, yet with promotion
The impulsive force that bar is born in motion is larger, is easily broken back-up ring.
Utility model content
The purpose of this utility model is to overcome disadvantages mentioned above present in prior art, and there is provided one kind is simple in construction, tight
Gather, be not susceptible to that resilience, break-make performance be stable, long product lifecycle when shock resistance is strong, catch bar is quickly moved downwards
Improvement product break-make performance DC relay.
To achieve these goals, the technical solution adopted in the utility model is as follows:A kind of improvement product break-make performance
DC relay, including stationary contact and catch bar, catch bar upper end are provided with movable contact spring, and catch bar lower end periphery is fixed with dynamic iron
The static iron core being sleeved on catch bar is provided with by adhesive spring above core, dynamic iron core, the static iron core upper end is provided with and static iron core
In the convex shoulder of integrative-structure, bottom plate is set with convex shoulder, the catch bar above static iron core upper surface is provided with and catch bar
In the boss of integrative-structure, convex shoulder upper surface is provided with non-metallic gasket, and the non-metallic gasket is sleeved on the boss of catch bar
Lower section.
In the utility model, further, bottom plate is provided with the insulation shielding shell around convex shoulder upper end outer wall, the insulation
Shielding case is provided with the through hole walked for catch bar.
In the utility model, further, DC relay also includes the Z-shaped clamping ring of ceramic member and cross section,
Clamping ring is located at insulation shielding shell periphery, and clamping ring lower surface is fixed with bottom plate, and ceramic member is fixedly connected on clamping ring upper surface
On, stationary contact lower end is stretched into inside ceramic member, bottom plate, clamping ring, ceramic member and stationary contact formation seal cavity.
In the utility model, further, ceramic member is provided with the blast pipe for leading to seal cavity.
In the utility model, further, longitudinal spacing semicolumn is equipped with before and after ceramic member on inwall.
In the utility model, it is preferred that catch bar lower end is with dynamic iron core by way of laser welding or argon arc welding
It is fixed.
In the utility model, it is preferred that clamping ring is connected with bottom plate and ceramic member by plane-welding mode.
The beneficial effects of the utility model are:In the utility model DC relay, static iron core upper end is provided with and quiet iron
Core is in the convex shoulder of integrative-structure, and the catch bar above static iron core upper surface is provided with catch bar in the convex of integrative-structure
Platform, convex shoulder is while for being set with bottom plate, and convex shoulder upper surface is provided with non-metallic gasket, and the non-metallic gasket also covers simultaneously
Below the boss of catch bar, DC relay is in power process, and catch bar is quickly moved downwards, is dropped under boss non-
On metallic gasket, non-metallic gasket can effectively buffer the impulsive force of catch bar, prevent catch bar from occurring resilience, and then avoid moving
Contact causes the secondary starting the arc, so as to improve the break-make performance of product, increases the service life of product;Convex shoulder is surrounded on bottom plate
Upper end outer wall sets insulation shielding shell, and the insulation shielding shell improves the insulating properties inside DC relay, improves product
Load life.The sealing-in mode of the Z-shaped clamping ring in cross section and bottom plate and ceramic member is plane-welding, compared to vertical envelope
Mode, plane-welding mode strengthens weld strength, prevents weld because being produced crack by thermal stress.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model, below to the accompanying drawing used in embodiment description
And reference does simple introduction.
Fig. 1 is the cross section structure diagram of the utility model embodiment;
Fig. 2 be in Fig. 1 A-A to cross section structure diagram.
Description of reference numerals:1- stationary contacts, 2- catch bars, 21- boss, 3- movable contact springs, 4- dynamic iron cores, 5- adhesives spring,
6- static iron cores, 61- convex shoulders, 7- bottom plates, 8- non-metallic gaskets, 9- insulation shieldings shell, 10- ceramic members, 11- clamping rings, 12- exhausts
Pipe, the spacing semicolumns of 13-.
Embodiment
For a further understanding of the utility model, with reference to the accompanying drawing of the utility model embodiment, to the utility model
Embodiment is clearly and completely described.
Referring to shown in Fig. 1 and Fig. 2, a kind of DC relay for improving product break-make performance of the utility model embodiment is wrapped
Stationary contact 1 and catch bar 2 are included, the upper end of catch bar 2 is provided with movable contact spring 3, and the lower end periphery of catch bar 2 is fixed with dynamic iron core 4, moves iron
The top of core 4 is provided with the static iron core 6 being sleeved on catch bar 2 by adhesive spring 5, and it is in one that the upper end of static iron core 6, which is provided with static iron core 6,
Bottom plate 7 is set with the convex shoulder 61 of body structure, convex shoulder 61, the catch bar 2 above the upper surface of static iron core 6 is provided with and promotion
Bar 2 is in the boss 21 of integrative-structure, and the upper surface of convex shoulder 61 is provided with non-metallic gasket 8, and the non-metallic gasket 8 is sleeved on promotion
The lower section of boss 21 of bar 2.
The non-metallic gasket 8 set up in the middle of convex shoulder 61 and boss 21, it is ensured that DC relay is promoted in power process
Bar 2 is after quick motion downwards, and boss 21 is fallen on non-metallic gasket 8, and non-metallic gasket 8 can effectively buffer catch bar 2
Impulsive force, prevents catch bar 2 from occurring resilience, and then avoids movable contact spring 3 from causing the secondary starting the arc, so as to improve the break-make of product
Can, increase the service life of product;Convex shoulder 61 is in integrative-structure with static iron core 6, while boss 21 is in one with catch bar 2
Structure, it is ensured that the stability that catch bar 2 moves up and down.
DC relay is in energization and shutdown transient, the impact born due to the lower end of catch bar 2 and the connection of dynamic iron core 4 place
Power is larger, and the phenomenon of back-up ring fracture easily occurs in traditional back-up ring connected mode, in the utility model embodiment, it is preferred to use
Laser welding or the mode of argon arc welding fix the lower end of catch bar 2 and dynamic iron core 4, it is ensured that product is stable.
In the utility model embodiment, bottom plate 7 is provided with the insulation shielding shell 9 around the upper end outer wall of convex shoulder 61, and this is exhausted
Edge shielding case 9 is provided with the through hole walked for catch bar 2.The insulation shielding shell 9 improves the insulating properties inside DC relay
Can, improve the load life of product.
In the utility model embodiment, DC relay also includes the Z-shaped clamping ring 11 of ceramic member 10 and cross section,
Clamping ring 11 is located at the periphery of insulation shielding shell 9, and the lower surface of clamping ring 11 is fixed with bottom plate 7, and ceramic member 10 is fixedly connected on connection
Enclose on 11 upper surfaces, the lower end of stationary contact 1 is stretched into inside ceramic member 10, bottom plate 7, clamping ring 11, ceramic member 10 and stationary contact 1 are formed
Seal cavity.The sealing-in mode of the Z-shaped clamping ring 11 in cross section and bottom plate 7 and ceramic member 10 is plane-welding, compared to
Vertical envelope mode, plane-welding mode strengthens weld strength, prevents weld because being produced crack by thermal stress.
In the utility model embodiment, ceramic member 10 is provided with the blast pipe 12 for leading to seal cavity, the blast pipe 12
For being evacuated and being inflated to seal cavity.Longitudinal spacing semicolumn 13 is equipped with before and after ceramic member 10 on inwall, it is spacing
The quantity of semicolumn 13 can be set according to actual needs, and the spacing semicolumn 13 effectively prevents movable contact spring 3 from deflecting, and improve product
Break-make performance.
It should be pointed out that embodiment of the present utility model is described above.However, those skilled in the art should manage
Solution, the utility model is not restricted to the described embodiments, on the premise of the utility model scope is not departed from, and the utility model is also
A variety of changes and improvements are had, these changes and improvements are both fallen within the range of claimed the utility model.
Claims (7)
1. a kind of DC relay for improving product break-make performance, including stationary contact and catch bar, catch bar upper end are touched provided with dynamic
Piece, catch bar lower end periphery is fixed with above dynamic iron core, dynamic iron core quiet on catch bar provided with being sleeved on by adhesive spring
Iron core, it is characterised in that:It is in be set with bottom plate on the convex shoulder of integrative-structure, convex shoulder that the static iron core upper end, which is provided with static iron core,
Catch bar above static iron core upper surface is provided with the boss with catch bar in integrative-structure, and convex shoulder upper surface is provided with non-
Metallic gasket, the non-metallic gasket is sleeved on below the boss of catch bar.
2. a kind of DC relay for improving product break-make performance according to claim 1, it is characterised in that:The bottom plate
The insulation shielding shell around convex shoulder upper end outer wall is provided with, the insulation shielding shell is provided with the through hole walked for catch bar.
3. a kind of DC relay for improving product break-make performance according to claim 2, it is characterised in that:The direct current
Relay also includes ceramic member and clamping ring, and the cross section of the clamping ring is Z-shaped, and the clamping ring is located at outside insulation shielding shell
Enclose, clamping ring lower surface is fixed on bottom plate, the ceramic member is fixedly connected on clamping ring upper surface, the stationary contact lower end
Stretch into inside ceramic member, bottom plate, clamping ring, ceramic member and stationary contact formation seal cavity.
4. a kind of DC relay for improving product break-make performance according to claim 3, it is characterised in that:The ceramics
Part is provided with the blast pipe for leading to seal cavity.
5. a kind of DC relay for improving product break-make performance according to claim 4, it is characterised in that:The ceramics
Longitudinal spacing semicolumn is equipped with before and after part on inwall.
6. a kind of DC relay for improving product break-make performance according to claim 1, it is characterised in that:It is described to promote
Bar lower end is fixed with dynamic iron core by way of laser welding or argon arc welding.
7. a kind of DC relay for improving product break-make performance according to claim 3, it is characterised in that:The connection
Circle is connected with bottom plate and ceramic member by plane-welding mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720053603.7U CN206379310U (en) | 2017-01-18 | 2017-01-18 | A kind of DC relay for improving product break-make performance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720053603.7U CN206379310U (en) | 2017-01-18 | 2017-01-18 | A kind of DC relay for improving product break-make performance |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206379310U true CN206379310U (en) | 2017-08-04 |
Family
ID=59400007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720053603.7U Expired - Fee Related CN206379310U (en) | 2017-01-18 | 2017-01-18 | A kind of DC relay for improving product break-make performance |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206379310U (en) |
-
2017
- 2017-01-18 CN CN201720053603.7U patent/CN206379310U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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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: A DC relay for improving on-off performance of products Granted publication date: 20170804 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: 20170804 |