CN202871709U - Electromagnetic relay contact system - Google Patents
Electromagnetic relay contact system Download PDFInfo
- Publication number
- CN202871709U CN202871709U CN 201220621386 CN201220621386U CN202871709U CN 202871709 U CN202871709 U CN 202871709U CN 201220621386 CN201220621386 CN 201220621386 CN 201220621386 U CN201220621386 U CN 201220621386U CN 202871709 U CN202871709 U CN 202871709U
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- contact
- support plate
- electromagnetic relay
- plate district
- armature
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Abstract
The utility model discloses an electromagnetic relay contact system which comprises a movable contact mechanism and a static contact mechanism, wherein the movable contact mechanism comprises an armature, a contact plate with movable contacts and a reed, wherein the contact plate is electrically connected with a main loop wiring terminal of an electromagnetic relay; the movable contacts comprise a first movable contact arranged at the upper end of the contact plate and a second movable contact arranged at the lower end of the contact plate; the static contact mechanism comprises a first static contact and a second static contact; the first static contact is positioned right above the first movable contact; the second static contact is positioned under the second movable contact; one end of the contact plate, which is away from the armature, is provided with an first supporting plate region and a second supporting plate region protruding outwards; a first slit is formed between the first supporting plate region and the second supporting plate region; the first movable contact is arranged on the first supporting plate region; and the second movable contact is arranged on the second supporting plate region. The electromagnetic relay contact system has the advantage of effectively prolonging the service life of a product.
Description
Technical field
The utility model belongs to the relay construction design field, is specifically related to a kind of electromagnetic relay contact system.
Background technology
Electromagnetic relay can be used for low-voltage, weak current control high voltage, heavy current circuit, also can realize remote operation and the production automation, plays a part more and more important in the modern life.
The structure of electromagnetic relay in the market is mostly as showing among Fig. 1 of Chinese patent ZL200820103350.0, moving contact in the contact system of this electromagnetic relay is located between two fixed contacts, and two moving contacts and 4 conllinear of two fixed contacts; Be subjected to solenoid power consumption constraints in the magnetic circuit system, clearance distance between two fixed contacts can not be too large, thereby the electric arc that produces between dynamic/static contact always can be stopped by two fixed contacts and is difficult in time " fleeing from " sound contact region and then the sound contact is affected greatly, namely easily with the sound pitting of contacts, thereby cause greatly shorten the useful life of electromagnetic relay.
The utility model content
For the deficiency of pointing out in the background technology, thereby providing a kind of sound pitting of contacts of can effectively avoiding, the purpose of this utility model prolongs the product electromagnetic relay contact system in useful life.
The technical scheme that realizes the utility model purpose is:
Electromagnetic relay contact system in the utility model comprises dynamic contact mechanism and static contact mechanism;
Described dynamic contact mechanism comprises armature, is provided with the contact plate and the reed that is connected armature and contact plate of moving contact; Described contact plate is electrically connected the major loop binding post of electromagnetic relay; Described moving contact comprises the first moving contact that is arranged on described contact plate upper end and the second moving contact that is arranged on described contact plate lower end;
Described static contact mechanism comprises the first fixed contact and the second fixed contact; Described the first fixed contact be positioned at described the first moving contact directly over, described the second fixed contact be positioned at described the second moving contact under;
Described contact plate has the first outwardly support plate district and the second support plate district away from an end of described armature; Be provided with the first slit between described the first support plate district and the second support plate district;
Described the first moving contact is located in described the first support plate district, and described the second moving contact is located in the second support plate district.
In the technique scheme, described reed has outwardly the first connection section that is connected with described the first support plate district and the second connection section that is connected with described the second support plate district away from an end of described armature;
Be provided with the second slit between described the first connection section and the second connection section;
Described first connects the front end of section and the front end riveted joint in described the first support plate district, and described second connects the front end of section and the front end riveted joint in described the second support plate district.
In the technique scheme, described the second slit consists of by being communicated with the rectangle region and the circle that arrange; Described circle is located near armature one end, and its width is greater than the width of described rectangle region.
In the technique scheme, there is bending at the middle part of described reed; From the side, the basic configuration of this reed is Z-shaped.
The utlity model has positive effect:
(1) in the electromagnetic relay contact system of the present utility model, by the first moving contact and the second moving contact are arranged in the first support plate district and the second support plate district of contact plate, and between the first support plate district and the second support plate district, the first slit is set, being about to the first fixed contact and the second fixed contact in the said structure shifts to install, also be equivalent to prolong the distance between two fixed contacts, the electric arc that produces between the sound contact so just can not stopped by two fixed contacts so electric arc can in time " be fled from " the sound contact region therefore also with regard to can not impacting the sound contact, namely can scaling loss sound contact, thus useful life of product prolonged.
(2) the described reed in the utility model has outwardly the first connection section that is connected with described the first support plate district and the second connection section that is connected with described the second support plate district away from an end of described armature; Be provided with the second slit between described the first connection section and the second connection section; Described first connects the front end of section and the front end riveted joint in described the first support plate district, described second connects the front end of section and the front end riveted joint in described the second support plate district, has guaranteed that by adopting said structure the electromagnetic relay contact system in use has higher sensitivity and reliability.
Description of drawings
Fig. 1 is a kind of structural representation of electromagnetic relay contact system in the utility model;
Fig. 2 is the structural representation of Fig. 1 when observing from other direction;
Fig. 3 is the structural representation of the dynamic contact mechanism among Fig. 1;
Fig. 4 is the structural representation of Fig. 3 when being in the blast state;
Fig. 5 is a kind of structural representation of the electromagnetic relay of the electromagnetic relay contact system in application the utility model;
Fig. 6 is the structural representation of Fig. 5 when observing from other direction;
Reference numeral shown in the figure is:
The 1-dynamic contact mechanism; 11-armature; The 12-contact plate; 121-the first support plate district; 122-the second support plate district; 123-the first slit; The 13-reed; 131-first connects the section; 132-second connects the section; 14-the first moving contact; 15-the second moving contact; 16-the second slit; The 161-rectangle region; The 162-circle; The 2-static contact mechanism; 21-the first fixed contact; 22-the second fixed contact; The 3-reset tension spring; The 4-base; The 5-magnetic circuit system; 6-control loop binding post; 7-major loop binding post; The 8-support; The 81-link plate.
Embodiment
(embodiment 1)
Below in conjunction with Figure of description and embodiment the technical solution of the utility model and beneficial effect are elaborated:
A kind of electromagnetic relay contact system as shown in Fig. 1 to Fig. 4, comprises dynamic contact mechanism 1 and static contact mechanism 2; Described dynamic contact mechanism 1 comprises armature 11, is provided with the contact plate 12 and the reed 13 that is connected armature 11 and contact plate 12 of moving contact; Described contact plate 12 is electrically connected the major loop binding post 7 of electromagnetic relay; Described moving contact comprises the first moving contact 14 that is arranged on described contact plate 12 upper ends and the second moving contact 15 that is arranged on described contact plate 12 lower ends; Described static contact mechanism 2 comprises the first fixed contact 21 and the second fixed contact 22; Described the first fixed contact 21 be positioned at described the first moving contact 14 directly over, described the second fixed contact 22 be positioned at described the second moving contact 15 under; Described contact plate 12 has the first outwardly support plate district 121 and the second support plate district 122 away from an end of described armature 11; Be provided with the first slit 123 between described the first support plate district 121 and the second support plate district 122; Described the first moving contact 14 is located in described the first support plate district 121, and described the second moving contact 15 is located in the second support plate district 122.
In the said structure by the first moving contact 14 and the second moving contact 15 are arranged in the first support plate district 121 and the second support plate district 122 of contact plate 12, such as shown in FIG., described the first support plate district 121 and described the second support plate district 122 are along laterally being arranged side by side, between the first support plate district 121 and the second support plate district 122, the first slit 123 is set, being about to the first fixed contact 21 and the second fixed contact 22 in the said structure shifts to install, also be equivalent to prolong the distance between two fixed contacts, the electric arc that produces between the sound contact so just can not stopped by two fixed contacts so electric arc can in time " be fled from " the sound contact region so also just is not enough to the sound contact is impacted, namely can scaling loss sound contact, thus useful life of product prolonged.
For guaranteeing in use can have higher sensitivity and reliability at the electromagnetic relay contact system, the described reed 13 in the present embodiment has outwardly the first connection section 131 that is connected with described the first support plate district 121 and the second connection section 132 that is connected with described the second support plate district 122 away from an end of described armature 11; Be provided with the second slit 16 between described the first connection section 131 and the second connection section 132; Described first connects the front end of section 131 and the front end riveted joint in described the first support plate district 121, and described second connects the front end of section 132 and the front end riveted joint in described the second support plate district 122.
As the further improvement of said structure, described the second slit 16 in the present embodiment is to consist of by being communicated with the rectangle region 161 and the circle 162 that arrange; Described circle 162 is located near armature 11 1 ends, and its width is greater than the width of described rectangle region 161.By the second slit 16 is set to this structure then the first brace 131 districts be connected the preferably elasticity that has that connects section 132 and circle 162 correspondence positions, when corresponding fixed contact contacts, play good cushioning effect at moving contact.
In the present embodiment, there is bending at the middle part of described reed 13; From the side, the basic configuration of this reed 13 is Z-shaped, specifically can be referring to Fig. 3.
Give a kind of electromagnetic relay of using above-mentioned electromagnetic relay contact system in the present embodiment, as shown in Figure 5 and Figure 6, this electromagnetic relay also comprises base 4 and cover cap, magnetic circuit system 5, control loop binding post 6, major loop binding post 7, support 8 and the reset tension spring 3 that consists of housing; Solenoid in the described magnetic circuit system 5 is connected with described control loop binding post 6; Described armature 11 is located at the top of magnetic circuit system 5 and its and is formed away from the top of an end of contact plate 12 and described support 8 and be rotationally connected; Be provided with link plate 81 in the bottom of described support 8, the bottom of described reset tension spring 3 is connected with described link plate 81, and its top is connected with contact plate 12.Electromagnetic relay in the present embodiment adopts its compact conformation of such scheme, reasonable and longer service life.
In order to observe real-time and easily the electromagnetic relay internal state, the described cover cap in the present embodiment adopts transparent cover.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (4)
1. an electromagnetic relay contact system comprises dynamic contact mechanism (1) and static contact mechanism (2);
Described dynamic contact mechanism (1) comprises armature (11), is provided with the contact plate (12) and the reed (13) that is connected armature (11) and contact plate (12) of moving contact; Described contact plate (12) is electrically connected the major loop binding post (7) of electromagnetic relay; Described moving contact comprises the first moving contact (14) that is arranged on described contact plate (12) upper end and the second moving contact (15) that is arranged on described contact plate (12) lower end;
Described static contact mechanism (2) comprises the first fixed contact (21) and the second fixed contact (22); Described the first fixed contact (21) be positioned at described the first moving contact (14) directly over, described the second fixed contact (22) be positioned at described the second moving contact (15) under;
It is characterized in that:
Described contact plate (12) has the first outwardly support plate district (121) and the second support plate district (122) away from an end of described armature (11); Be provided with the first slit (123) between described the first support plate district (121) and the second support plate district (122);
Described the first moving contact (14) is located in described the first support plate district (121), and described the second moving contact (15) is located in the second support plate district (122).
2. electromagnetic relay contact system according to claim 1 is characterized in that: described reed (13) away from an end of described armature (11) have outwardly be connected with described the first support plate district (121) first connect section (131) and be connected with described the second support plate district (122) second connect section (132);
Be provided with the second slit (16) between described the first connection section (131) and the second connection section (132);
Described first connects the front end of section (131) and the front end riveted joint in described the first support plate district (121), and described second connects the front end of section (132) and the front end riveted joint in described the second support plate district (122).
3. electromagnetic relay contact system according to claim 2 is characterized in that: rectangle region (161) and circle (162) formation that described the second slit (16) is arranged by connection; Described circle (162) is located near armature (11) one ends, and its width is greater than the width of described rectangle region (161).
4. each described electromagnetic relay contact system in 3 according to claim 1, it is characterized in that: there is bending at the middle part of described reed (13); The basic configuration of this reed (13) side is Z-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621386 CN202871709U (en) | 2012-11-20 | 2012-11-20 | Electromagnetic relay contact system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621386 CN202871709U (en) | 2012-11-20 | 2012-11-20 | Electromagnetic relay contact system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202871709U true CN202871709U (en) | 2013-04-10 |
Family
ID=48038404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220621386 Expired - Lifetime CN202871709U (en) | 2012-11-20 | 2012-11-20 | Electromagnetic relay contact system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202871709U (en) |
-
2012
- 2012-11-20 CN CN 201220621386 patent/CN202871709U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |