CN102097254A - Electromagnetic relay with good anti-falling performance - Google Patents
Electromagnetic relay with good anti-falling performance Download PDFInfo
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- CN102097254A CN102097254A CN2009102608078A CN200910260807A CN102097254A CN 102097254 A CN102097254 A CN 102097254A CN 2009102608078 A CN2009102608078 A CN 2009102608078A CN 200910260807 A CN200910260807 A CN 200910260807A CN 102097254 A CN102097254 A CN 102097254A
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- lug boss
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Abstract
The invention discloses an electromagnetic relay with good anti-falling performance. The electromagnetic relay comprises a magnetic circuit part, a contact part, a shell and a base, wherein the magnetic circuit part is horizontally installed on the base and comprises a coil, a yoke, an armature and an iron core; the axis of the iron core is parallel to the board of the base; the contact part comprises a moving spring with moving contacts and a static spring with static contacts; the moving spring is connected between the yoke and the armature in a buckling manner; the yoke and the armature are orthogonally arranged; the moving spring is provided with a first buckling line corresponding to the orthogonal part of the yoke and the armature and a second buckling line sticking to the armature; the moving spring section outside the second buckling line abuts against and is fixed on the armature and forms a moving spring and armature assembly capable of moving with the armature; and limiting convex plates for limiting the moving spring and armature assembly to move towards the direction far away from the iron core are respectively arranged on the base and on the inner wall of the shell at the side opposite to the base. With the structure, the electromagnetic relay has good anti-falling performance and simultaneously has the characteristics of simple structure, low cost and better manufacturability.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of electromagnetic relay that good drop resistance is arranged.
Background technology
Electromagnetic relay is a kind of electromechanical compo that is widely used in various automobiles, household electrical appliance, office equipment, Industry Control.Usually it is made up of base, magnetic circuit part, contact portion, shell etc.For improving the environment applicability of product, require relay (particularly AUTOMOTIVE RELAY) to have drop resistance preferably.
Fig. 1 is the organigram of existing a kind of electromagnetic relay, this relay comprise magnetic circuit part 1 ', contact portion 2 ', shell 3 ' and base 23 '.Magnetic circuit part 1 ' employing horizontal type structure is horizontal magnetic circuit; This horizontal magnetic circuit 1 ' comprise yoke 11 ', armature 12 ', iron core 13 ', coil 14 ' and extension spring 15 '.Contact portion 2 ' comprise movable spring assembly 21 ' and quiet spring assembly 22 '.Iron core 13 ' axis 131 ' with base 23 ' board plane parallel, the counter-force of contact is by extension spring 15 ' generation.Relay along iron core 13 ' axis 131 ' direction when falling, armature 12 ' leave yoke 11 ' the edge of a knife 111 ', extension spring 15 ' elongation, because of extension spring 15 ' elasticity better, do not enter plastic deformation.After impacting disappearance, extension spring 15 ' recovery, the relay counter-force does not change, and function is normal.But,, increased cost, and manufacturability is relatively poor because this kind relay uses the extension spring structure.
Fig. 2 is the organigram of existing another kind of electromagnetic relay, this relay comprise magnetic circuit part 4 ', contact portion 5 ', shell 6 ' and base 53 '.Magnetic circuit part 4 ' employing horizontal type structure is horizontal magnetic circuit; This horizontal magnetic circuit 4 ' comprise yoke 41 ', armature 42 ', iron core 43 ' and coil 44 '.Contact portion 5 ' comprise movable spring assembly 51 ' and quiet spring assembly 52 '.Iron core 43 ' axis 431 ' with base 53 ' board plane parallel, the counter-force of contact by movable spring assembly 51 ' movable contact spring 511 ' generation.When relay falls along iron core 43 ' axis 431 ' direction, armature 42 ' leave yoke 41 ' the edge of a knife 411 ', movable contact spring 511 ' distortion.If falling height is higher, movable contact spring 511 ' generation plastic deformation, after impact disappearing, movable contact spring 511 ' distortion can't recover, the relay counter-force changes, armature 42 ' with yoke 41 ' do not contact, the function appearance is unusually.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide a kind of electromagnetic relay, by improvement to base and shell mechanism with good drop resistance, make this electromagnetic relay have good drop resistance, simultaneously, have simple in structure, cost is low, and manufacturability is characteristics preferably.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electromagnetic relay with good drop resistance comprises magnetic circuit part, contact portion, shell and base; Be connected between shell and the base, magnetic circuit part and contact portion are contained in respectively in the chamber that is surrounded by shell and base; Magnetic circuit partly is horizontal and is installed on the base; This magnetic circuit partly comprises coil, yoke, armature and iron core; The axis of iron core parallels with the plate face of base; Contact portion comprises moving spring that has moving contact and the quiet spring that has fixed contact; Moving spring bending is connected between the yoke and armature of orthogonal thereto setting, moving spring is provided with first folding line and second folding line that is affixed to armature corresponding to yoke and armature quadrature place, and the outer moving spring section of second folding line reclines and is fixed on the armature and with armature and forms the moving spring armature assembly that can move; On base, be provided with one respectively and be used for limiting the moving spring armature assembly to positive stop lug boss away from the motion of iron core direction with the outer casing inner wall place of a relative side with base.
Described base is provided with one and is used for limiting the moving spring armature assembly to first positive stop lug boss away from the motion of iron core direction, and the outer casing inner wall place of a described relative side with base is provided with one and is used for limiting the moving spring armature assembly to second positive stop lug boss away from the motion of iron core direction; In the direction along the axis of iron core, the distance between first positive stop lug boss, second positive stop lug boss and moving spring armature assembly or the armature is less than first folding line of moving spring and the distance between the armature.
Have at least one to be provided in a side of corresponding to first folding line that moves spring to the base between second folding line of moving spring or in the shell in first positive stop lug boss of described base and second positive stop lug boss of shell; In direction along the axis of iron core, corresponding first folding line at moving spring to first positive stop lug boss between second folding line of moving spring or the distance between second positive stop lug boss and the armature less than first folding line of moving spring and the distance between the armature.
First positive stop lug boss of described base and second positive stop lug boss of shell are located at respectively corresponding on the base between second folding line of the extremely moving spring of first folding line of moving spring and in the shell; In the direction along the axis of iron core, the distance between first positive stop lug boss, second positive stop lug boss and the armature is less than first folding line of moving spring and the distance between the armature.
Described first positive stop lug boss and second positive stop lug boss are located on the base of relative position respectively and in the shell.
Described first positive stop lug boss and second positive stop lug boss are located at respectively on the base of relative position not and in the shell.
A kind of electromagnetic relay with good drop resistance of the present invention is to be equipped with positive stop lug boss on base and shell; Along the iron core axis direction, the distance of positive stop lug boss and moving spring armature assembly or armature is less than first folding line of moving spring and the distance between the armature; This positive stop lug boss preferably extremely moves between second folding line of spring at first folding line of moving spring.The counter-force of contact is produced by moving spring.When relay falls along the iron core axis direction, armature leaves the yoke edge of a knife, since the positive stop lug boss of base near base one lateral confinement system armature to moving away from the iron core direction, the positive stop lug boss of outer casing inner wall with base relative to a lateral confinement system armature to moving away from the iron core direction, spacing by two positions, thereby the armature displacement is less, and moving spring can not produce plastic deformation.After impacting disappearance, moving spring distortion recovers, and the relay counter-force does not change, and function is normal.
The invention has the beneficial effects as follows, owing to adopted on base and to be provided with one respectively with the outer casing inner wall place of a relative side and to be used for limiting the moving spring armature assembly to positive stop lug boss away from the motion of iron core direction with base, this positive stop lug boss can fall and when making armature leave the yoke edge of a knife along the iron core axis direction at relay, remove to limit armature from both sides to moving away from the iron core direction, make relay when the iron core axis direction falls, the displacement of armature is less, moving spring can not produce plastic deformation, after impacting disappearance, moving spring can be out of shape recovery, the relay counter-force does not change, thereby has guaranteed the normal use of relay.Since be two positive stop lug boss are located at respectively on the base and shell in, can when base and shell are made moulding, a making get on, therefore, do not increase production process and increase cost of manufacture.Because first positive stop lug boss of base and second positive stop lug boss of shell are located at respectively corresponding to first folding line that moves spring to the base between second folding line of moving spring and in the shell, the afterbody of this more close armature in position can carry out spacing to the moving spring armature assembly better; Because first positive stop lug boss and second positive stop lug boss are located at respectively on the base of relative position and in the shell, can play balanced action again, carry out spacing better.This electromagnetic relay has good drop resistance, simultaneously, has simple in structurely, and cost is low, and manufacturability is characteristics preferably.
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of electromagnetic relay with good drop resistance of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is the structural representation of a kind of electromagnetic relay of prior art;
Fig. 2 is the structural representation of the another kind of electromagnetic relay of prior art;
Fig. 3 is embodiment one structural representation of the present invention (shaft side figure);
Fig. 4 is embodiment one structural representation of the present invention (top view);
Fig. 5 is embodiment one structural representation of the present invention (profile);
Fig. 6 is the structural representation of embodiment one base of the present invention;
Fig. 7 is the structural representation of embodiment one shell of the present invention;
Fig. 8 is the structural representation of embodiment one moving spring armature assembly of the present invention;
Fig. 9 is embodiment two structural representations of the present invention (shaft side figure);
Figure 10 is embodiment two structural representations of the present invention (top view);
Figure 11 is embodiment two structural representations of the present invention (profile);
Figure 12 is the structural representation of embodiment two bases of the present invention;
Figure 13 is the structural representation of embodiment two shells of the present invention;
Figure 14 is the structural representation of embodiment two moving spring armature assemblies of the present invention.
Embodiment
Embodiment one, and to shown in Figure 8, a kind of electromagnetic relay with good drop resistance of the present invention comprises magnetic circuit part 1, contact portion 2, shell 3 and base 4 referring to Fig. 3; Be connected between shell 3 and the base 4, magnetic circuit part 1 and contact portion 2 are contained in respectively in the chamber that is surrounded by shell 3 and base 4; Magnetic circuit part 1 is horizontal and is installed on the base 4; This magnetic circuit part 1 comprises coil 14, yoke 11, armature 12 and iron core 13; The axis 131 of iron core 13 parallels with the plate face of base 4; Contact portion 2 comprises moving spring 21 that has moving contact and the quiet spring 22 that has fixed contact; Moving spring 21 bendings are connected between the yoke 11 and armature 12 of orthogonal thereto setting, and moving spring 21 is to be riveted together with armature 12, yoke 11, the contact counter-force is produced by moving spring 21, moving spring 21 is provided with to recline and be fixed on the armature 12 and with armature corresponding to first folding line 211 at yoke 11 and armature 12 quadrature places and second folding line, 212, the second folding lines, the 212 outer moving spring sections 213 that are affixed to armature forms the moving spring armature assembly 210 that can move; On base 4, be provided with one respectively and be used for limiting moving spring armature assembly 210 to positive stop lug boss away from the motion of iron core direction with the shell 3 inwall places of a relative side with base, promptly, on base 4, be provided with and be used for limiting moving spring armature assembly 210, be provided with at shell 3 inwall places and be used for limiting the moving spring armature assembly to second positive stop lug boss 31 away from the motion of iron core direction to first positive stop lug boss 41 away from the motion of iron core direction; In the direction along the axis 131 of iron core, the distance between first positive stop lug boss 41, second positive stop lug boss 31 and the moving spring armature assembly 210 is less than first folding line 211 of moving spring and the distance between the armature 12.In the position that first positive stop lug boss 41 and second positive stop lug boss 31 can produce position-limiting action, if moving spring section 213 does not cover on the armature 12, then first positive stop lug boss 41, second positive stop lug boss 31 be and armature 12 between distance less than first folding line 211 of moving spring and the distance between the armature 12.
First positive stop lug boss 41 and second positive stop lug boss 31 can be to be located on the base 4 of relative position respectively and in the shell 3; Also can be to be located at respectively on the base of relative position not and in the shell.
When relay does not encourage, relay normally open contact disconnects, along iron core 13 axis 131 directions, second positive stop lug boss 31 of first positive stop lug boss 41 of base 4, shell 3 and the distance of moving spring armature assembly 210 are all less than the distance of moving spring 21 first folding lines 211 with armature 12.When relay falls along iron core 13 axis 131 directions, armature 12 leaves the edge of a knife 111 of yoke 11, because first positive stop lug boss 41 of base is being that armature downside 122 (setting base is the downside that is in armature) restriction armature 12 is to moving away from the iron core direction near base one side, second positive stop lug boss 31 of outer casing inner wall is being that armature upside 121 (setting base is the downside that is in armature) restriction armature 12 is to moving away from the iron core direction with base relative to a side, promptly on armature, down two places to armature 12 to move away from the iron core direction carry out spacing, make that armature 12 displacements are less, moving spring 21 does not produce plastic deformation.After impacting disappearance, moving spring 21 distortion recover, and the relay counter-force does not change, and relay function is normal.
Embodiment two, and to shown in Figure 14, a kind of electromagnetic relay with good drop resistance of the present invention comprises magnetic circuit part 5, contact portion 6, shell 7 and base 8 referring to Fig. 9; Be connected between shell 7 and the base 8, magnetic circuit part 5 and contact portion 6 are contained in respectively in the chamber that is surrounded by shell 7 and base 8; Magnetic circuit part 5 is horizontal and is installed on the base 8; This magnetic circuit part 5 comprises coil 54, yoke 51, armature 52 and iron core 53; The axis 531 of iron core 53 parallels with the plate face of base 8; Contact portion 6 comprises moving spring 61 that has moving contact and the quiet spring 62 that has fixed contact; Moving spring 61 bendings are connected between the yoke 51 and armature 52 of orthogonal thereto setting, and moving spring 61 is to be riveted together with armature 52, yoke 51, the contact counter-force is produced by moving spring 61, moving spring 61 is provided with to recline and be fixed on the armature 52 and with armature corresponding to first folding line 611 at yoke 51 and armature 52 quadrature places and second folding line, 612, the second folding lines, the 612 outer moving spring sections 613 that are affixed to armature forms the moving spring armature assembly 610 that can move; On base 8, be provided with one respectively and be used for limiting moving spring armature assembly 610 to positive stop lug boss away from the motion of iron core direction with the shell 7 inwall places of a relative side with base, promptly, on base 8, be provided with and be used for limiting moving spring armature assembly 610, be provided with at shell 7 inwall places and be used for limiting the moving spring armature assembly to second positive stop lug boss 71 away from the motion of iron core direction to first positive stop lug boss 81 away from the motion of iron core direction; First positive stop lug boss 81 of base is located at corresponding to first folding line 611 that moves spring to the base 8 between second folding line 612 of moving spring, and second positive stop lug boss 71 of shell is located at corresponding to first folding line 611 that moves spring to the shell 7 between second folding line 612 of moving spring; In the direction along the axis 531 of iron core, the distance between first positive stop lug boss 81, second positive stop lug boss 71 and the armature 52 is less than first folding line 611 of moving spring and the distance between the armature 52.
First positive stop lug boss 81 and second positive stop lug boss 71 can be to be located on the base 8 of relative position respectively and in the shell 7; Also can be to be located at respectively on the base of relative position not and in the shell.
When relay did not encourage, relay normally open contact disconnected, and along iron core 53 axis 531 directions, second positive stop lug boss 71 of first positive stop lug boss 81 of base 8, shell 7 and the distance of armature 52 are all less than the distance of moving spring 61 first folding lines 611 with armature 52.When relay falls along iron core 53 axis 531 directions, armature 52 leaves the edge of a knife 511 of yoke 51, because first positive stop lug boss 81 of base is being that armature downside 522 (setting base is the downside that is in armature) restriction armature 52 is to moving away from the iron core direction near base one side, second positive stop lug boss 71 of outer casing inner wall is being that armature upside 521 (setting base is the downside that is in armature) restriction armature 52 is to moving away from the iron core direction with base relative to a side, promptly on armature, down two places to armature 52 to move away from the iron core direction carry out spacing, make that armature 52 displacements are less, moving spring 61 does not produce plastic deformation.After impacting disappearance, moving spring 61 distortion recover, and the relay counter-force does not change, and relay function is normal.Because first positive stop lug boss 81 and second positive stop lug boss 71 are in first folding line 611 of moving spring respectively between second folding line 612 of moving spring, and the distance between armature 52 afterbodys 523 is littler, position-limiting action is better, and armature 52 displacements are littler.
The foregoing description only is used for further specifying a kind of electromagnetic relay with good drop resistance of the present invention; but the present invention is not limited to embodiment; every foundation technical spirit of the present invention all falls in the protection range of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. the electromagnetic relay with good drop resistance comprises magnetic circuit part, contact portion, shell and base; Be connected between shell and the base, magnetic circuit part and contact portion are contained in respectively in the chamber that is surrounded by shell and base; Magnetic circuit partly is horizontal and is installed on the base; This magnetic circuit partly comprises coil, yoke, armature and iron core; The axis of iron core parallels with the plate face of base; Contact portion comprises moving spring that has moving contact and the quiet spring that has fixed contact; Moving spring bending is connected between the yoke and armature of orthogonal thereto setting, moving spring is provided with first folding line and second folding line that is affixed to armature corresponding to yoke and armature quadrature place, and the outer moving spring section of second folding line reclines and is fixed on the armature and with armature and forms the moving spring armature assembly that can move; It is characterized in that: on base, be provided with one respectively and be used for limiting the moving spring armature assembly to positive stop lug boss away from the motion of iron core direction with the outer casing inner wall place of a relative side with base.
2. the electromagnetic relay with good drop resistance according to claim 1, it is characterized in that: described base is provided with one and is used for limiting the moving spring armature assembly to first positive stop lug boss away from the motion of iron core direction, and the outer casing inner wall place of a described relative side with base is provided with one and is used for limiting the moving spring armature assembly to second positive stop lug boss away from the motion of iron core direction; In the direction along the axis of iron core, the distance between first positive stop lug boss, second positive stop lug boss and moving spring armature assembly or the armature is less than first folding line of moving spring and the distance between the armature.
3. the electromagnetic relay with good drop resistance according to claim 2 is characterized in that: have at least one to be provided in a side of corresponding to first folding line that moves spring to the base between second folding line of moving spring or in the shell in first positive stop lug boss of described base and second positive stop lug boss of shell; In direction along the axis of iron core, corresponding first folding line at moving spring to first positive stop lug boss between second folding line of moving spring or the distance between second positive stop lug boss and the armature less than first folding line of moving spring and the distance between the armature.
4. the electromagnetic relay with good drop resistance according to claim 3 is characterized in that: first positive stop lug boss of described base and second positive stop lug boss of shell are located at respectively corresponding on the base between second folding line of the extremely moving spring of first folding line of moving spring and in the shell; In the direction along the axis of iron core, the distance between first positive stop lug boss, second positive stop lug boss and the armature is less than first folding line of moving spring and the distance between the armature.
5. according to claim 2 or 3 or 4 described electromagnetic relays with good drop resistance, it is characterized in that: described first positive stop lug boss and second positive stop lug boss are located on the base of relative position respectively and in the shell.
6. according to claim 2 or 3 or 4 described electromagnetic relays with good drop resistance, it is characterized in that: described first positive stop lug boss and second positive stop lug boss are located at respectively on the base of relative position not and in the shell.
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| CN 200910260807 CN102097254B (en) | 2009-12-09 | 2009-12-09 | Electromagnetic relay with good anti-falling performance |
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| CN 200910260807 CN102097254B (en) | 2009-12-09 | 2009-12-09 | Electromagnetic relay with good anti-falling performance |
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| CN102097254A true CN102097254A (en) | 2011-06-15 |
| CN102097254B CN102097254B (en) | 2013-05-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106340423A (en) * | 2016-08-25 | 2017-01-18 | 厦门宏发汽车电子有限公司 | Automobile electromagnetic relay capable of being assembled reliably |
| CN106981398A (en) * | 2016-11-24 | 2017-07-25 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with spacer |
| WO2017205495A1 (en) | 2016-05-27 | 2017-11-30 | Aerovironment, Inc. | Shock-resistant electrical switch |
| CN110137037A (en) * | 2018-12-28 | 2019-08-16 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay of armature unilateral side backstop |
| CN112262452A (en) * | 2018-04-24 | 2021-01-22 | 菲尼克斯电气公司 | Relay with a movable contact |
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| JP2006164812A (en) * | 2004-12-09 | 2006-06-22 | Fuji Electric Fa Components & Systems Co Ltd | Electromagnetic contactor |
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Cited By (12)
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| WO2017205495A1 (en) | 2016-05-27 | 2017-11-30 | Aerovironment, Inc. | Shock-resistant electrical switch |
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| CN106981398A (en) * | 2016-11-24 | 2017-07-25 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with spacer |
| CN106981398B (en) * | 2016-11-24 | 2019-01-01 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with locating plate |
| CN112262452A (en) * | 2018-04-24 | 2021-01-22 | 菲尼克斯电气公司 | Relay with a movable contact |
| CN112262452B (en) * | 2018-04-24 | 2023-09-15 | 菲尼克斯电气公司 | Relay device |
| CN110137037A (en) * | 2018-12-28 | 2019-08-16 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay of armature unilateral side backstop |
| CN110137037B (en) * | 2018-12-28 | 2024-03-22 | 厦门宏发汽车电子有限公司 | Electromagnetic relay with armature single-side stop |
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