CN1652278A - Electromagnetic relay with spring pushing structure - Google Patents
Electromagnetic relay with spring pushing structure Download PDFInfo
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- CN1652278A CN1652278A CN 200510052291 CN200510052291A CN1652278A CN 1652278 A CN1652278 A CN 1652278A CN 200510052291 CN200510052291 CN 200510052291 CN 200510052291 A CN200510052291 A CN 200510052291A CN 1652278 A CN1652278 A CN 1652278A
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Abstract
The disclosed electromagnetic relay is composed of magnetic circuit part static and moving springs and base, and middle mechanism. In magnetic circuit, winding and yoke are positioned on the base. Armature, static and moving springs are setup at the base. The static spring consists of static contact and riveted spring leaves. Moving contact for forming circuital channel is riveted on head part of the moving spring leaves including two pieces of spring leaves riveted. Rivets form bulge structure of positioning springs. The said middle mechanism is composed of promoting block and spring. One end of the spring is installed on bulge structure in window of upper part of the promoting block, and the other end of the spring is installed on bulge structure on combined head of the moving spring. Overtravel of contact is generated by compression deformation of spring, and not generated from deformation of moving spring directly so as to solve problem of high cyclic fatigue of moving spring.
Description
Technical field
The present invention relates to a kind of magnetic latching relay, especially a kind of electromagnetic relay with spring pushing structure.
Background technology
Current, a developing direction of electronic technology is exactly highly reliable, high-power, low-power consumption, small size, low cost etc.Magnetic latching relay is widely used in fields such as various Industry Control, electric power system, office equipment, household electrical appliance, communication apparatus, space flight and aviation as a kind of electromechanical compo.Particularly when magnetic latching relay is worked, the electromagnetism that permanent magnet magnetic in the magnetic circuit part has replaced the coil of common electrical magnetic relay to produce, the coil excitation of need not switching on for a long time makes it have characteristic near " 0 " power consumption, in environmental requirement more and more higher today, its application is extensive day by day.
Fig. 1 is the structural representation (patent No.: 99202168.5) of existing a kind of small-sized high-power magnetic latching relay.It is made of magnetic circuit part, base portion and intermediary agency, base portion comprises base 16, quiet spring combination 17, moving spring combination 18, the magnetic circuit part is made of coil 12, yoke 13 and armature combination 14, and the armature combination can be rotated along the metal rotating shaft 19 of its center plug-in mounting.Intermediary agency is only taken on by the pushing block 15 of one two sideband draw-in groove.When coil electricity rear drive armature rotated, armature drove pushing block and directly promotes the terminal petty action spring distortion of moving spring combination, realized the switching of contact and produced the overtravel of contact.Therefore, the relay of this structure requires moving spring to possess enough flexibilities, limited the current capacity of moving spring to a great extent, caused the petty action spring of moving spring combination end to produce high cycle fatigue because of distortion simultaneously easily, Problem of Failure such as mechanical parameter variation even fracture have taken place.
How to solve the high cycle fatigue of moving spring, guarantee that again necessary contact overtravel, these problems become a difficult point of this class magnetic latching relay design.
Summary of the invention
The object of the present invention is to provide a kind of electromagnetic relay with spring pushing structure.The intermediary agency of the relay of this type is made of jointly pushing block and spring, and contact overtravel is not directly to be produced by the distortion of moving spring, but produces by the compression of spring.Therefore, can either satisfy the designing requirement of the specific contact overtravel of relay, also solve because the distortion of moving spring produces problems such as high cycle fatigue.
The present invention is provided with magnetic circuit part, the combination of quiet spring, moving spring combination, base, intermediary agency and shell.The similar structure shown in Figure 1 of magnetic circuit part is made up of coil, yoke and armature, relies on yoke to be positioned on the location notch of base behind the mutual plug-in mounting of coil and yoke, and armature relies on the rotating shaft at its center to be positioned on the axis hole of base; Quiet spring makes up and moves the spring combination and is located on the base, quiet spring combination is made up of fixed contact and static contact spring piece riveted joint, moving spring combination is formed poststack and lead-out tablet riveted joint by two movable contact springs, the bulge-structure that the passage of head riveted joint movable contact dot circuit, riveted joint rivet form retainer spring; Intermediary agency is made up of pushing block and spring, one end of spring is contained on the bulge-structure in the window on pushing block top, the other end is contained on the bulge-structure of moving spring headgear combination, thereby set up getting in touch between moving spring combination and the pushing block, established draw-in groove in the Tiebar structure of the lower part of pushing block and cooperate with the head of armature combination.Therefore, make intermediary agency become the intermediate transmission mechanism of combination of connection armature and base portion.
The spring of said intermediary agency is contained in the below of pushing block window, forms single-pole single-throw(SPST (SPST) type product, and the upper electrostatic spring combination is established in quiet spring combination; Perhaps the spring of said intermediary agency is contained in the above and below of window, forms single-pole double throw (SPDT) type product, and upper electrostatic spring combination and down quiet spring combination are established in quiet spring combination.
Among the present invention, in the window on the top of pushing block, spring has been installed.When the combination of coil drive armature is rotated around rotating shaft, driven intermediary agency's action simultaneously.Intermediary agency moves by the moving spring combination of the compressible drive of spring, realizes the connection of contact and produces the overtravel of contact, has solved to rely on moving spring to be out of shape the problem that the overtravel that produces the contact causes moving spring fatigue in the traditional structure.
Among the present invention, in action, can not break away from set service position, guarantee the reliability of spring work, in the window of the top of pushing block and establish bulge-structure simultaneously in the combination of moving spring and come retainer spring in order to make spring.
Among the present invention, product at two types of single-pole single-throw(SPST and single-pole double throws, the form and the operation principle of intermediary agency are slightly different: the intermediary agency of single-pole single-throw(SPST (SPST) type product, spring only is contained in the below of pushing block window, the disjunction of contact is made up by the moving spring of last window edge pulling of pushing block window and is realized that the connection of contact and the overtravel of contact then rely on the compressing force of spring to realize; The spring of the intermediary agency of single-pole double throw (SPDT) type product then is contained in the above and below of window simultaneously, the cut-offfing and connect all to make up by the moving spring of the pulling of the pressure differential after the upper and lower length of spring compressed and realize of contact.
Description of drawings
Fig. 1 is the structural representation of existing a kind of small-sized high-power magnetic latching relay.
Fig. 2 is the structural representation of the embodiment of the invention (single-pole double throw type).
Fig. 3 is the structural representation of the embodiment of the invention (single-pole single-throw(SPST type).
Fig. 4 is intermediary agency's structure chart of the embodiment of the invention (single-pole double throw type).
Fig. 5 is intermediary agency's structure chart of the embodiment of the invention (single-pole single-throw(SPST type).
Fig. 6 is the pushing block structure chart of the embodiment of the invention (single-pole double throw type).
Fig. 7 is the pushing block structure chart of the embodiment of the invention (single-pole single-throw(SPST type).
Fig. 8 is a moving spring combination assumption diagram of the present invention.
Embodiment
As shown in Figure 2, the present invention (single-pole double throw type) is made up of base portion, intermediary agency, magnetic circuit part and shell.Wherein: base portion directly is inserted to by upper electrostatic spring combination 2, down quiet spring combination 4 and moving spring combination 3 and is assembled on the base 1; Intermediary agency adds shock mount 5 by pushing block 6 and forms; The magnetic circuit part is made up of coil 9, yoke 8 and armature combination 7, relies on yoke to be positioned on the location notch of base behind the mutual plug-in mounting of coil and yoke, and the armature combination then relies on the rotating shaft at its center to be positioned on the axis hole of base; Intermediary agency is connected by spring and moving spring, and draw-in groove and armature by pushing block lower part Tiebar structure are connected.When the combination of coil drive armature is rotated around rotating shaft 10, driven the pushing block action simultaneously, and then driven moving spring combination action by the compression spring, realize the connection of contact and produce the overtravel of contact.
Similar with single-pole double throw type product shown in Figure 2, Fig. 3 provides the product structure of single-pole single-throw(SPST type, and its difference is that the quiet spring combination of base portion only adopts upper electrostatic spring combination 11 (annotate: the SPST type does not have this parts), and intermediary agency adds shock mount by pushing block 11.
Shown in Fig. 4,5, product at two types of single-pole double throw and single-pole single-throw(SPSTs, the form and the operation principle of intermediary agency are slightly different: the spring of the intermediary agency (referring to Fig. 4) of single-pole double throw (SPDT) type product then is contained in the above and below of window simultaneously, the cut-offfing and connect all to make up by the moving spring of the pulling of the pressure differential after the upper and lower length of spring compressed and realize of contact.
In the intermediary agency (referring to Fig. 5) of single-pole single-throw(SPST (SPST) type product, spring only is contained in the below of pushing block window, the disjunction of contact is made up by the moving spring of last window edge pulling of pushing block window and is realized that the connection of contact and the overtravel of contact then rely on the compressing force of spring to realize;
As shown in Figure 6, the top of single-pole double throw (SPDT) type pushing block is divided into window shape structure 6.1, and the upper and lower window edge of window is all established projection 6.2 location structures as spring.The bottom of pushing block is divided into Tiebar structure and establishes draw-in groove 6.3 and is connected with armature.
As shown in Figure 7, the top of single-pole single-throw(SPST (SPST) type pushing block is divided into window shape structure 11.1, and the following window edge of window is established projection 11.2 location structures as spring.The bottom of pushing block is divided into Tiebar structure and establishes draw-in groove 11.3 and is connected with armature.
Moving spring combination is as shown in Figure 8 formed poststack and lead-out tablet riveted joint by two movable contact springs, and head adopts the method for riveted joint rivet or other form to form the bulge-structure 3.1 of retainer spring.
Claims (3)
1, the electromagnetic relay of band spring pushing structure, be provided with the magnetic circuit part, quiet spring combination, moving spring combination, base, intermediary agency and shell, the magnetic circuit part is by coil, yoke and armature are formed, rely on yoke to be positioned on the location notch of base behind the mutual plug-in mounting of coil and yoke, armature relies on the rotating shaft at its center to be positioned on the axis hole of base, it is characterized in that quiet spring combination and move the spring combination being located on the base, quiet spring combination is made up of fixed contact and static contact spring piece riveted joint, moving spring combination is formed poststack and lead-out tablet riveted joint by two movable contact springs, the passage of head riveted joint movable contact dot circuit, the riveted joint rivet forms the bulge-structure of retainer spring; Intermediary agency is made up of pushing block and spring, and an end of spring is contained on the bulge-structure in the window on pushing block top, and the other end is contained on the bulge-structure of moving spring headgear combination.
2, the electromagnetic relay of band spring pushing structure as claimed in claim 1 is characterized in that the spring of said intermediary agency is contained in the below of pushing block window, and the upper electrostatic spring combination is established in quiet spring combination.
3, the electromagnetic relay of band spring pushing structure as claimed in claim 1 is characterized in that the spring of said intermediary agency is contained in the above and below of window, and upper electrostatic spring combination and down quiet spring combination are established in quiet spring combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510052291XA CN100403475C (en) | 2005-02-03 | 2005-02-03 | Electromagnetic relay with spring pushing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510052291XA CN100403475C (en) | 2005-02-03 | 2005-02-03 | Electromagnetic relay with spring pushing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1652278A true CN1652278A (en) | 2005-08-10 |
| CN100403475C CN100403475C (en) | 2008-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510052291XA Active CN100403475C (en) | 2005-02-03 | 2005-02-03 | Electromagnetic relay with spring pushing structure |
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| Country | Link |
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| CN (1) | CN100403475C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003399A1 (en) * | 2007-06-29 | 2009-01-08 | Xiamen Hongfa Electroacoustic Co., Ltd. | Magnetic latching relay |
| CN101201390B (en) * | 2007-10-30 | 2010-05-19 | 厦门顶科电子有限公司 | Method for rapidly and accurately detecting armature overtravel of electromagnetic relay and device thereof |
| CN101984504A (en) * | 2010-09-06 | 2011-03-09 | 厦门宏发电力电器有限公司 | Magnetic latching relay with double flexible pushing connections |
| CN102709121A (en) * | 2012-06-15 | 2012-10-03 | 东莞市三友联众电器有限公司 | Three-closing-force magnetic latching relay capable of monitoring opening and closing states of movable and static contacts |
| CN103489715A (en) * | 2013-10-10 | 2014-01-01 | 华一精密机械(昆山)有限公司 | Orbital determined power-off protection spring |
| CN103715025A (en) * | 2012-09-29 | 2014-04-09 | 厦门宏发电声股份有限公司 | Non-counterforce electromagnetic relay |
| CN104701094A (en) * | 2013-12-04 | 2015-06-10 | 沈阳工业大学 | Dual-spring counter-force structure of railway signal relay |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363375Y (en) * | 1999-01-15 | 2000-02-09 | 厦门宏发电声有限公司 | Large power magnet holding relay |
| CN2393217Y (en) * | 1999-11-13 | 2000-08-23 | 宋锡和 | High-voltage ac. magnetic holding relay |
| AT412433B (en) * | 2000-05-11 | 2005-02-25 | Felten & Guilleaume Kg | ELECTROMECHANICAL REMOTE SWITCH |
| CN2775823Y (en) * | 2005-02-03 | 2006-04-26 | 厦门宏发电声有限公司 | Electromagnetic relay with spring push structure |
-
2005
- 2005-02-03 CN CNB200510052291XA patent/CN100403475C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009003399A1 (en) * | 2007-06-29 | 2009-01-08 | Xiamen Hongfa Electroacoustic Co., Ltd. | Magnetic latching relay |
| CN101201390B (en) * | 2007-10-30 | 2010-05-19 | 厦门顶科电子有限公司 | Method for rapidly and accurately detecting armature overtravel of electromagnetic relay and device thereof |
| CN101984504A (en) * | 2010-09-06 | 2011-03-09 | 厦门宏发电力电器有限公司 | Magnetic latching relay with double flexible pushing connections |
| CN101984504B (en) * | 2010-09-06 | 2012-11-14 | 厦门宏发电力电器有限公司 | Magnetic latching relay with double flexible pushing connections |
| CN102709121A (en) * | 2012-06-15 | 2012-10-03 | 东莞市三友联众电器有限公司 | Three-closing-force magnetic latching relay capable of monitoring opening and closing states of movable and static contacts |
| CN103715025A (en) * | 2012-09-29 | 2014-04-09 | 厦门宏发电声股份有限公司 | Non-counterforce electromagnetic relay |
| CN103489715A (en) * | 2013-10-10 | 2014-01-01 | 华一精密机械(昆山)有限公司 | Orbital determined power-off protection spring |
| CN104701094A (en) * | 2013-12-04 | 2015-06-10 | 沈阳工业大学 | Dual-spring counter-force structure of railway signal relay |
| CN104701094B (en) * | 2013-12-04 | 2017-08-08 | 沈阳工业大学 | A kind of dual spring counterforce structure of railway signal relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100403475C (en) | 2008-07-16 |
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Address after: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee after: Xiamen Hongfa Electroacoustic Co., Ltd. Address before: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee before: Hongfa Electroacoustic Co., Ltd, Xiamen |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160325 Address after: Jimei North Industrial Zone, Xiamen city of Fujian province Donglin road 361021 No. 560-564 Patentee after: Xiamen Hongfa Electric Power Controls Co., Ltd. Address before: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee before: Xiamen Hongfa Electroacoustic Co., Ltd. |