CN208460677U - A kind of double-contact relay of anti-release electric arc - Google Patents
A kind of double-contact relay of anti-release electric arc Download PDFInfo
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- CN208460677U CN208460677U CN201821057434.5U CN201821057434U CN208460677U CN 208460677 U CN208460677 U CN 208460677U CN 201821057434 U CN201821057434 U CN 201821057434U CN 208460677 U CN208460677 U CN 208460677U
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Abstract
The utility model belongs to relay field, more particularly to a kind of double-contact relay of anti-release electric arc, including magnetic circuit system and contact system, the magnetic circuit system includes electromagnetic assembly, yoke, armature, positioning reed, the contact system includes moving contact component and static contact component, the armature and moving contact component linkage are arranged, the moving contact component includes movable contact spring and the first movable contact and the second movable contact that are arranged on movable contact spring, the static contact component includes the first stationary contact of static contact spring piece and correspondence the first movable contact setting on static contact spring piece and the second stationary contact of the corresponding second movable contact setting, when closure, first movable contact and the connection of the first stationary contact and the second movable contact and the second stationary contact connect to form parallel relationship, when disconnection, second movable contact and the second stationary contact first separate and first It is separated after movable contact and the first stationary contact.Ensure safety while guaranteeing relay sensitivity, improves service life.
Description
Technical field
The utility model belongs to relay field, and in particular to a kind of double-contact relay of anti-release electric arc.
Background technique
Driving mechanism, moving contact component and static contact component can be generally equipped in relay, by driving moving contact component
The closing or opening of the time relay.Contact material can generally be divided into sensitive-type contact material and large current contact material, sensitive
Type contact material contact resistance is small, can be used for the signal transmission in electronic circuit, but resistance to scaling loss performance is poor, large current contact
Material detection resistance is big, requires in low environment for general.It is maximum in the immediate current of disconnection between contact, it will form electric arc
For sensitivity contact material scaling loss easily occurs for spark.
Summary of the invention
The purpose of the utility model is to overcome the disadvantages existing in the prior art and insufficient, and provide it is a kind of resist release
The double-contact relay of electric discharge arc.
Technical solution adopted in the utility model is as follows: a kind of double-contact relay of anti-release electric arc, including magnetic circuit
System and contact system, the magnetic circuit system include electromagnetic assembly, yoke, armature, positioning reed, and the contact system includes dynamic
Contact assembly and static contact component, the armature and moving contact component linkage are arranged, and the moving contact component includes dynamic spring
Piece and the first movable contact and the second movable contact being arranged on movable contact spring, the static contact component include static contact spring piece and are located at
Second that the first stationary contact and corresponding second movable contact of correspondence the first movable contact setting on static contact spring piece are arranged is quiet
Contact, when closure, the first movable contact and the connection of the first stationary contact and the second movable contact and the second stationary contact connect to form parallel connection
Relationship, when disconnection, the second movable contact and the second stationary contact are first separated and are separated after the first movable contact and the first stationary contact.
The bottom end of the yoke is fixedly connected with the electromagnetic assembly, and the bottom end of the positioning reed is fixed with the yoke
Connection, the top of the positioning reed are equipped with a tabletting being pressed on the armature, and the armature is L-type, the armature
Including positioning region and swinging end, the positioning region is pressed on the yoke top by tabletting, and the swinging end is contradicted to be equipped with and be pushed away
Bar, the moving contact component are located on the motion profile of the push rod.
The armature slopes inwardly close to push rod one side lower end is equipped with inclined-plane, and the armature is in the first limit of chamfered portion setting
Position groove, the push rod correspond to first limiting groove equipped with the first retention bead portion, first retention bead portion and institute
State the cooperation of the first limiting groove.
The yoke top is equipped with the second limiting groove, and the positioning region is arranged in second limiting groove, described
The position two sides of armature close to positioning region are outwardly protruding to be equipped with the second retention bead portion, between the both ends in second retention bead portion
Away from the spacing for being greater than second limiting groove, the second retention bead portion is located at the second limiting groove close to the one of electromagnetic assembly
Side.
The movable contact spring lower end is fixedly connected with movable plate connection sheet, and the movable contact spring is equipped with through-hole, and the push rod end is worn
The through-hole is crossed, first movable contact is located at the top of the through-hole, and second movable contact is located at the lower section of the through-hole.
The beneficial effects of the utility model are as follows: in relay, by the way that double contact structure, first movable contact is arranged
It is all made of the big contact material of contact resistance with the first stationary contact, second movable contact and the second stationary contact are all made of contact electricity
When hindering small contact material disconnection, the second small movable contact of preferential contact resistance and the second stationary contact are first separated, and at this point, contact
The first big movable contact of resistance and the first stationary contact are also in connected state, and the second movable contact and the second stationary contact are in separated wink
Between not will form larger current and lead to scaling loss to forming electric arc, the first movable contact and the first stationary contact disconnect again later, are protecting
Ensure safety while demonstrate,proving relay sensitivity, improves service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, obtains other drawings based on these drawings the scope for still falling within the utility model.
Fig. 1 is the schematic diagram of internal structure of double-contact relay；
Fig. 2 is the inside top figure of double-contact relay；
Fig. 3 is cross-sectional view at A-A in Fig. 2；
Fig. 4 is the structural schematic diagram of armature；
Fig. 5 is the structural schematic diagram of push rod；
In figure, 1, pedestal；2, electromagnetic assembly；3, yoke；301, the second limiting groove；4, armature；401, positioning region；402,
Swinging end；403, the first limiting groove；404, the second retention bead portion；5, positioning reed；6, moving contact component；601, move spring
Piece；602, the first movable contact；603, the second movable contact；604, through-hole；7, static contact component；701, static contact spring piece；702, first is quiet
Contact；703, the second stationary contact；9, push rod；901, retention bead portion；10, movable plate connection sheet.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
It should be noted that all statements for using " first " and " second " are in the utility model embodiment
Distinguish two non-equal entities of same names or non-equal parameter, it is seen that " first " " second " only for statement side
Just, it should not be construed as the restriction to the utility model embodiment, subsequent embodiment no longer illustrates this one by one.
The direction and position term that the utility model is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "
It is interior ", "outside", " top ", " bottom ", " side " etc., be only the direction or position with reference to attached drawing.Therefore, the direction and position used
Setting term is rather than the limitation to scope of protection of the utility model to illustrate and understand the present invention.
As shown in Figure 1, a kind of double-contact relay of anti-release electric arc, including shell and setting are in the intracorporal magnetic of the shell
Road system and contact system, the magnetic circuit system include electromagnetic assembly 2, yoke 3, armature 4, positioning reed 5, the contact system
Including moving contact component 6 and static contact component 7, the armature 4 is arranged with the moving contact component 6 linkage, it is characterised in that: institute
Stating moving contact component 6 includes movable contact spring 601 and the first movable contact 602 being arranged on movable contact spring 601 and the second movable contact
603, the static contact component 7 includes that static contact spring piece 701 and correspondence first movable contact 602 on static contact spring piece 701 are set
The second stationary contact 703 that the first stationary contact 702 and corresponding second movable contact 603 set are arranged, when closure, the first movable contact
602 and first stationary contact 702 connection and the second movable contact 603 and the second stationary contact 703 connection form parallel relationship, disconnect
When, the second movable contact 603 and the second stationary contact 703 are first separated and are separated after the first movable contact 602 and the first stationary contact 702, institute
It states the first movable contact 602 and the first stationary contact 702 is all made of the big contact material of contact resistance, 603 He of the second movable contact
Second stationary contact 703 is all made of the small contact material of contact resistance.In relay, by being arranged double contact structure, described the
One movable contact and the first stationary contact are all made of the big contact material of contact resistance, and second movable contact and the second stationary contact are adopted
With the small contact material of contact resistance, when disconnection, the second small movable contact of preferential contact resistance and the second stationary contact are first separated, and
At this point, big the first movable contact and the first stationary contact of contact resistance is also in connected state, the second movable contact and the second stationary contact
Not will form larger current in separated moment leads to scaling loss to forming electric arc, and the first movable contact and the first stationary contact be again later
It disconnects, it is ensured that safety.The big contact material of contact resistance can be using contact resistances such as silver tungsten contact material, silver-colored carbon contact materials
Big contact material, the small contact material of contact resistance can be using silver-colored graphene contact materials.
As shown in figure 3, the bottom end of the yoke 3 is fixedly connected with the electromagnetic assembly 2, the bottom end of the positioning reed 5
It is fixedly connected with the yoke 3, the top of the positioning reed 5 is equipped with a tabletting being pressed on the armature 4, the rank
Iron 4 is L-type, and the armature 4 includes positioning region 401 and swinging end 402, and the positioning region 401 is pressed on the yoke by tabletting
3 top of iron, the swinging end 402, which contradicts, is equipped with push rod 9, and the moving contact component 6 is located on the motion profile of the push rod 9.
Armature 4 is sucked when electromagnetic assembly 2 is powered, rotates armature 4, the promotion push rod 9 of 4 swinging end 402 of armature of rotation pushes away push rod 9
Dynamic moving contact component 6 is displaced, and is realized and is connected, and when electromagnetic assembly 2 powers off, armature 4 restores under the action of tabletting, is realized and is disconnected,
Structure is simple, compact.
The armature 4 slopes inwardly close to 9 one side lower end of push rod is equipped with inclined-plane, and the armature 4 is in chamfered portion setting the
One limiting groove 403, corresponding first limiting groove 403 of the push rod 9 are equipped with the first retention bead portion 901, and described first
Retention bead portion 901 and first limiting groove 403 cooperation.It can play in this way and guarantee armature 4 push rod 9 and rank in movement
Iron 4 maintains the connection, and armature 4 is made to push the effect of push rod 9.
3 top of yoke is equipped with the second limiting groove 301, and the positioning region 401 is arranged in second limiting groove
In 301, the position two sides of the armature 4 close to positioning region 401 are outwardly protruding to be equipped with the second retention bead portion 404, and described second
The both ends spacing in retention bead portion 404 is greater than the spacing of second limiting groove 301, and the second retention bead portion 404 is located at the
Two limiting grooves 301 are close to the side of electromagnetic assembly 2.Can play the role of that armature 4 is prevented to be displaced in movement in this way.
601 lower end of movable contact spring is fixedly connected with movable plate connection sheet 10, and the movable contact spring 601 is equipped with through-hole 604, described
9 end of push rod passes through the through-hole 604, and first movable contact 602 is located at the top of the through-hole 604, the described second dynamic touching
Point 603 is located at the lower section of the through-hole 604.When push rod 9 is moved to moving contact component 6, to movable contact spring 601 from through-hole 604
Force, 601 bottom end of movable contact spring is fixedly connected with movable plate connection sheet 10, remains stationary, and when connection, the first of 604 top of through-hole is moved
Contact 602 first contacts the first stationary contact 702, contacts the second stationary contact 703 after the second movable contact 603 of 604 lower section of through-hole, and breaks
When opening, then on the contrary.
Above disclosures are merely preferred embodiments of the utility model, the power of the present invention cannot be limited with this certainly
Sharp range, therefore equivalent variations made according to the claim of the utility model, still fall within the scope of the utility model.
Claims (5)
1. a kind of double-contact relay of anti-release electric arc, including magnetic circuit system and contact system, the magnetic circuit system include electricity
Magnetic assembly (2), yoke (3), armature (4), positioning reed (5), the contact system include moving contact component (6) and static contact group
Part (7), the armature (4) and the moving contact component (6) linkage are arranged, it is characterised in that: the moving contact component (6) includes
Movable contact spring (601) and the first movable contact (602) and the second movable contact (603) being arranged on movable contact spring (601), the stationary contact
Head assembly (7) includes that static contact spring piece (701) and correspondence first movable contact (602) being located on static contact spring piece (701) are arranged
The second stationary contact (703) of first stationary contact (702) and corresponding second movable contact (603) setting, when closure, the first dynamic touching
Point (602) and the first stationary contact (702) connection and the second movable contact (603) and the second stationary contact (703) connection form in parallel
Relationship, when disconnection, the second movable contact (603) and the second stationary contact (703) first separate and the first movable contact (602) and the first stationary contact
Point (702) separates afterwards.
2. the double-contact relay of anti-release electric arc according to claim 1, it is characterised in that: the bottom of the yoke (3)
End is fixedly connected with the electromagnetic assembly (2), and the bottom end of the positioning reed (5) is fixedly connected with the yoke (3), described fixed
The top of position reed (5) is equipped with a tabletting being pressed on the armature (4), and the armature (4) is L-type, the armature (4)
Including positioning region (401) and swinging end (402), the positioning region (401) is pressed on the yoke (3) top, institute by tabletting
It states swinging end (402) to contradict equipped with push rod (9), the moving contact component (6) is located on the motion profile of the push rod (9).
3. the double-contact relay of anti-release electric arc according to claim 2, it is characterised in that: the armature (4) is close
Push rod (9) one side lower end, which slopes inwardly, is equipped with inclined-plane, and the first limiting groove (403) are arranged in chamfered portion in the armature (4), institute
It states push rod (9) corresponding described first limiting groove (403) and is equipped with the first retention bead portion (901), first retention bead portion
(901) cooperate with first limiting groove (403).
4. the double-contact relay of anti-release electric arc according to claim 2, it is characterised in that: yoke (3) top
Equipped with the second limiting groove (301), positioning region (401) setting is in second limiting groove (301), the armature
(4) outwardly protruding the second retention bead portion (404), second retention bead are equipped with close to the position two sides of positioning region (401)
The both ends spacing in portion (404) is greater than the spacing of second limiting groove (301), and the second retention bead portion (404) is located at second
Side of the limiting groove (301) close to electromagnetic assembly (2).
5. the double-contact relay of anti-release electric arc according to claim 2, it is characterised in that: the movable contact spring (601)
Lower end is fixedly connected movable plate connection sheet (10), and the movable contact spring (601) is equipped with through-hole (604), and push rod (9) end passes through
The through-hole (604), first movable contact (602) are located at the top of the through-hole (604), second movable contact (603)
Positioned at the lower section of the through-hole (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057434.5U CN208460677U (en) | 2018-07-05 | 2018-07-05 | A kind of double-contact relay of anti-release electric arc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821057434.5U CN208460677U (en) | 2018-07-05 | 2018-07-05 | A kind of double-contact relay of anti-release electric arc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208460677U true CN208460677U (en) | 2019-02-01 |
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ID=65170917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821057434.5U Active CN208460677U (en) | 2018-07-05 | 2018-07-05 | A kind of double-contact relay of anti-release electric arc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208460677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
-
2018
- 2018-07-05 CN CN201821057434.5U patent/CN208460677U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
| CN114220708B (en) * | 2021-12-24 | 2024-04-19 | 浙江正泰汽车科技有限公司 | Clapping relay |
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