CN2508384Y - Electromagnetic relay or contactor using reed contact - Google Patents
Electromagnetic relay or contactor using reed contact Download PDFInfo
- Publication number
- CN2508384Y CN2508384Y CN 01256622 CN01256622U CN2508384Y CN 2508384 Y CN2508384 Y CN 2508384Y CN 01256622 CN01256622 CN 01256622 CN 01256622 U CN01256622 U CN 01256622U CN 2508384 Y CN2508384 Y CN 2508384Y
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- China
- Prior art keywords
- contact
- reed
- fixed
- contactor
- spring
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Abstract
The utility model relates to a clapper type electromagnetic relay or a contactor adopting a leaf spring type contact. A contact spring leaf supercharging device is arranged on a contact spring leaf, the upper end of the contact spring leaf supercharging device is fixed in the fixed end, or the armature iron, or the supporting rack of the contact spring leaf, and the lower end is pressed at the lower end of the contact spring leaf close to a moving contact, so as to make the contact spring leaf prebent; a supporting rack with a dummy club is also arranged, and the dummy club is held against the front surface of the contact spring leaf, therefore ensuring that the moving contact has the enough initial pressure, and preventing the overbending of the contact spring leaf. The contact of the electromagnetic relay or the contactor of the utility model not only has the certain overtravel, but also has the enough initial pressure, the defaults that the initial pressure of similar products is not enough on the present market, and the contact generates the springing when the utility model is used for turning on and turning off the large inductive current, thus the excessive burning loss or the fusion welding bonding of the contact is caused are effectively overcome, and the on-off ability and the electric life of products are improved.
Description
(1) technical field:
It is the switch of drive unit with the electromagnetic system that the utility model relates to a kind of, particularly a kind of clapper-type electromagnetic relay or contactor that adopts sheet spring formula contact.
(2) background technology:
The clapper-type electromagnetic relay or the contactor of being seen in the market employing sheet spring formula contact, be fixed with moving contact on its sheet spring one end, the other end adopts cantilever type to fix, when moving contact closure fixed contact, its initial pressure is approximately zero, through theoretical and facts have proved, if the moving contact initial pressure is too little, then will bounce during contact closure, when being used for connecting with the big inductance current of disjunction, this spring will cause the too much scaling loss or the melting welding adhesion of contact, and directly influences the make-break capacity and the electric life of product.
(3) summary of the invention:
The utility model is to disclose a kind of clapper-type electromagnetic relay or contactor that can significantly strengthen the employing sheet spring formula contact of contact initial pressure.
The purpose of this utility model is achieved in that the clapper-type electromagnetic relay or the contactor of this employing sheet spring formula contact, also comprise shell, the drive unit of forming by yoke, iron core and coil, with by be fixed on the outer casing base fixed contact and corresponding to the moving contact of fixed contact, contact system with the contact reed formation that is used for fixing moving contact, different is: have a upper end and armature to be connected, the termination, lower end has the support of the boss that protrudes to contact reed direction, and it is positive near the moving contact place that the boss on it withstands on the contact reed; Also having one makes the contact reed to the contact reed supercharging device of deciding the prebuckling of contact direction.
Described contact reed supercharging device is making leaf spring or spring or push rod or screw rod, and it is located at the back side of contact reed, and the one end is fixed on the armature; Or the stiff end of contact reed; Or on the case; The other end is pressed in contact reed lower end near the moving contact place.
Described contact reed supercharging device is single bow bow reed; Or many bow bow reeds; Its upper end is fixed on the stiff end or armature of contact reed, and the lower end is pressed on lower end, the contact reed back side and locates near moving contact (8).
Described contact reed supercharging device is torsion spring or snail wind spring, and the one end is fixed on the shell, and the other end is pressed on the contact reed back side near the moving contact place.
Described contact reed supercharging device is spring or push rod or screw rod, and it is located at contact reed front, and its upper end is fixed on armature or support or the base, and contact reed lower end is fixed near the moving contact place in the lower end.
Described spring is torsion spring or snail wind spring.
Because this electromagnet relay or contactor have added contact reed supercharging device on the contact reed, make the stressed and prebuckling of contact reed, and the support that contact reed front is provided with a band boss withstands the contact reed and can't separate sound two contacts to prevent its overbending when off-state, and therefore moving contact of the present utility model has certain excess of stroke; When moving contact closure fixed contact, the contact reed of prebuckling makes moving contact that enough initial pressures are arranged again, overcome in the market like product because initial pressure is not enough, when being used for connecting and during the big inductance current of disjunction and contact is produced bounce, cause the too much scaling loss of contact or the defective of melting welding adhesion, improved the make-break capacity and the electric life of product.
(4) description of drawings:
Fig. 1 is the embodiment structural representation of the utility model clapper-type electromagnetic relay or contactor.
(5) embodiment:
The utility model mainly is made up of the electromagnetic system that has reached driving action for the shell that prevents intrusion instrument such as introduced contaminants and actuator's contact system etc.Wherein shell can be made of base 9 and cover case 1 thereon, and these two parts are all made with fire-retardant, insulating material, as Reinforced Nylon 66; Both are assembled into detachable assembling, and as the modular construction assembling, case 1 directly card is taken on base 9, and this kind assembling is promptly convenient simply again.Electromagnetic system constitutes by being around in unshakable in one's determination 5 outer coil 10 and magnetic circuit systems; Described magnetic circuit system reaches armature 4 compositions that are hinged with yoke 3 by iron core 5 with 5 yokes that link to each other 3 unshakable in one's determination.Also have an extension spring 2, the one end tangles the upper end of armature 4, the other end be fixed on the yoke 3 or with support that base 9 links to each other on.Iron core 5, yoke 3 are all made with permeability magnetic material with armature 4, preferably adopt magnetic conduction effect electrical pure iron preferably.Contact system mainly is made of with the moving contact 8 that is fixed in contact reed 11 lower ends the contact 7 of deciding that is fixed on the base 9; Armature 4 lower ends are fixed in the upper end of contact reed 11, which is provided with a contact reed supercharging device 6, this device can be a making leaf spring, making leaf spring is pressed on contact reed 11 back sides, and the upper end of making leaf spring is fixed on the stiff end or armature 4 of contact reed 11, and the lower end is pressed on the contact reed 11 near moving contact 8 places, and compress contact reed 11, contact reed 11 is bent downwardly slightly, and making leaf spring can be single bow bow reed, or many bow bow reeds.The also available spring of making leaf spring replaces, and this moment, one end of spring was fixed on the shell 1, and the other end withstands on contact reed 11 back sides near moving contact 8 places.Spring can be torsion spring or snail wind spring.Can also use push rod, screw rod or other devices to replace making leaf spring, this moment, one end of push rod or screw rod was fixed on the shell 1, and the other end withstands on contact reed 11 back sides near moving contact 8 places, and contact reed 11 is pressed to deciding contact 7 directions, made it prebuckling.Above-mentioned contact reed supercharging device 6 can also be located at the front of contact reed 11, the one end is fixed on the support 13 or on the armature 4, or on the base 9, the other end is fixed in contact reed 11 lower ends near moving contact 8 places, and contact reed supercharging device 6 also can be spring, pull bar or screw rod at this moment.When above-mentioned contact reed supercharging device 6 is a spring, during as button spring or snail wind spring, this moment, spring should be located at the front of contact reed 11, the one end is fixed on the support 13, or on the case 1, or on the armature 4, the other end is fixed in contact reed 11 lower ends near moving contact 8 places, by spring tension contact reed 11 is pulled to moving contact 7 places, the prebuckling that is.Contact reed supercharging device 6 can also be other arbitrary structures, as long as it can make contact reed 11 to deciding contact 7 direction prebucklings, makes moving contact 8 have enough initial pressures then can.Contact reed 11 fronts are fixing by a upper end and armature 4, and the support 13 that the termination, lower end has the boss 14 that protrudes to contact reed 11 directions withstands.Boss 14 withstands on contact reed 11 fronts, prevents that the contact reed is curved excessively down, thereby makes moving contact 8 have certain excess of stroke when disconnecting with fixed contact 7, has enough initial pressures with fixed contact 7 closures the time.
The input of this novel clapper-type electromagnetic relay or contactor coil 10 also has a rectified current sub-element 12, and the alternating current of importing is become direct current to reduce the electromagnetic noise in the electric operation.This rectified current sub-element 12 is made up of rectifier and piezo-resistance, and rectifier can adopt bridge rectifier.
Claims (6)
1, a kind of clapper-type electromagnetic relay or contactor that adopts sheet spring formula contact, it comprises shell, the drive unit of forming by yoke, iron core and coil, with by be fixed on the outer casing base fixed contact and corresponding to the moving contact of fixed contact, contact system with the contact reed formation that is used for fixing moving contact, it is characterized in that: have a upper end and armature (4) to be connected, the termination, lower end has the support (13) of the boss (14) that protrudes to contact reed (11) direction, and the boss on it (14) withstands on the positive close moving contact (8) of contact reed (11) and locates; Also having one makes contact reed (11) to the contact reed supercharging device (6) of deciding contact (7) direction prebuckling.
2, a kind of clapper-type electromagnetic relay or contactor that adopts sheet spring formula contact according to claim 1, it is characterized in that: described contact reed supercharging device (6) is making leaf spring or spring or push rod or screw rod, and it is located at the back side of contact reed (11), and the one end is fixed on the armature (4); Or the stiff end of contact reed (11); Or on the case (1); The other end is pressed in contact reed (11) lower end and locates near moving contact (8).
3, a kind of clapper-type electromagnetic relay or contactor that adopts sheet spring formula contact according to claim 2 is characterized in that: described contact reed supercharging device (6) is single bow bow reed; Or many bow bow reeds; Its upper end is fixed on the stiff end or armature (4) of contact reed (11), and the lower end is pressed on contact reed (11) lower end, the back side and locates near moving contact (8).
4, a kind of clapper-type electromagnetic relay or contactor that adopts sheet spring formula contact according to claim 2, it is characterized in that: described contact reed supercharging device (6) is torsion spring or snail wind spring, the one end is fixed on the shell (1), and the other end is pressed on contact reed (11) back side and locates near moving contact (8).
5, a kind of clapper-type electromagnetic relay or contactor that adopts sheet spring formula contact according to claim 1, it is characterized in that: described contact reed supercharging device (6) is spring or push rod or screw rod, and it is located at contact reed (11) front, its upper end is fixed on armature (4) or support (13) or the base (9), and the lower end is fixed in contact reed (11) lower end and is located near moving contact (8).
6, a kind of clapper-type electromagnetic relay or contactor that adopts sheet spring formula contact according to claim 5, it is characterized in that: described spring is torsion spring or snail wind spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01256622 CN2508384Y (en) | 2001-11-15 | 2001-11-15 | Electromagnetic relay or contactor using reed contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01256622 CN2508384Y (en) | 2001-11-15 | 2001-11-15 | Electromagnetic relay or contactor using reed contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2508384Y true CN2508384Y (en) | 2002-08-28 |
Family
ID=33665544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01256622 Expired - Lifetime CN2508384Y (en) | 2001-11-15 | 2001-11-15 | Electromagnetic relay or contactor using reed contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2508384Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930877A (en) * | 2010-04-29 | 2010-12-29 | 上海沪工汽车电器有限公司 | Normally open high-current relay for vehicle |
| CN103367049A (en) * | 2012-03-30 | 2013-10-23 | 富士通电子零件有限公司 | Polarized electromagnetic relay |
| CN104008924A (en) * | 2014-06-11 | 2014-08-27 | 东北林业大学 | Electromagnetic drive switching appliance with detachable and replaceable structure |
| WO2015089902A1 (en) * | 2013-12-18 | 2015-06-25 | 北海市深蓝科技发展有限责任公司 | Micro-jitter electromagnetic relay |
| CN106206171A (en) * | 2016-08-31 | 2016-12-07 | 陕西群力电工有限责任公司 | A kind of radio-frequency relay realizing dynamic circuit connector function |
-
2001
- 2001-11-15 CN CN 01256622 patent/CN2508384Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930877A (en) * | 2010-04-29 | 2010-12-29 | 上海沪工汽车电器有限公司 | Normally open high-current relay for vehicle |
| CN101930877B (en) * | 2010-04-29 | 2012-08-29 | 上海沪工汽车电器有限公司 | Normally open high-current relay for vehicle |
| CN103367049A (en) * | 2012-03-30 | 2013-10-23 | 富士通电子零件有限公司 | Polarized electromagnetic relay |
| WO2015089902A1 (en) * | 2013-12-18 | 2015-06-25 | 北海市深蓝科技发展有限责任公司 | Micro-jitter electromagnetic relay |
| CN104008924A (en) * | 2014-06-11 | 2014-08-27 | 东北林业大学 | Electromagnetic drive switching appliance with detachable and replaceable structure |
| CN104008924B (en) * | 2014-06-11 | 2016-07-13 | 东北林业大学 | The Electromagnetic Drive device for switching that structure decomposable asymmetric choice net is replaced |
| CN106206171A (en) * | 2016-08-31 | 2016-12-07 | 陕西群力电工有限责任公司 | A kind of radio-frequency relay realizing dynamic circuit connector function |
| CN106206171B (en) * | 2016-08-31 | 2023-10-03 | 陕西群力电工有限责任公司 | Radio frequency relay for realizing dynamic function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20111115 Granted publication date: 20020828 |