CN201527934U - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
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- CN201527934U CN201527934U CN2009203110741U CN200920311074U CN201527934U CN 201527934 U CN201527934 U CN 201527934U CN 2009203110741 U CN2009203110741 U CN 2009203110741U CN 200920311074 U CN200920311074 U CN 200920311074U CN 201527934 U CN201527934 U CN 201527934U
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- iron core
- armature
- leading foot
- spring
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Abstract
The utility model discloses an electromagnetic relay comprising a coil, a fixed spring assembly, a base, an armature iron part, magnetic steel and a shell, wherein the coil comprises a U-shaped iron core, a coil former, an electromagnetic wire and a coil pin, and both sides of two pole faces of the U-shaped iron core are respectively provided with two positioning packs used for positioning the iron core in a die; and the base is a structural body which integrates the coil with belting of a fixed spring frame in the mode of presetting through injection moulding by adopting insulating materials, at least one supporting member is arranged on the structural body and used for supporting a rotating shaft of the armature iron part so that the armature iron part can rotate by adopting the rotating shaft as a fulcrum to drive a movable contact spring to move and to break moveable and fixed contacts. By utilizing the iron core with simple shape and stable size, the structure provides stable and reliable positioning in the process of machining the coil former so that the assembly accuracy and the production accuracy can be higher, thereby ensuring higher working reliability of the relay and achieving the purpose of being applicable to the operation of a large-scale production line.
Description
Technical field
The utility model relates to a kind of electromagnetic relay.
Background technology
Electromagnetic relay is widely used in the automatic control equipment, because the needs of development in science and technology require relay construction compacter, volume is littler, and sensitivity is higher, and functional reliability is higher.For reaching above-mentioned requirements, full-automatic production process such as the automatic assembling of the multiple part of the many employings of such relay or inserts injection moulding are produced, in the manufacturing techniques available, when the injection moulding of relay coil frame, the groove that many use iron core crooked positions process is as locating surface, this not only requires the iron core difficulty of processing to increase, and the size instability and the area of this groove are little, be difficult to play good locating effect, make the dimensional accuracy of base part not enough, finally cause the parameter scattered error of relay big, unstable properties.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of electromagnetic relay is provided, be to utilize simple shape, and the iron core of dimensionally stable, the course of processing at bobbin provides reliable and stable location, makes assembly precision higher, and production efficiency is higher, thereby guaranteed that the relay functional reliability is higher, reached the purpose that is applicable to large-scale production line operation.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electromagnetic relay comprises coil, armature assembly, quiet spring assembly, base, magnet steel and shell; In the chamber that coil, armature assembly, quiet spring assembly and magnet steel are contained in shell and base respectively and are surrounded; This coil comprises the U-iron core that is provided with two pole-faces, is molded over the outside of U-iron core and makes the bobbin that two pole-faces of U-iron core expose and be wound on electromagnetic wire on the bobbin in the injection moulding mode; The both sides of two pole-faces of this U-iron core are respectively equipped with two and are used for locating iron core to realize the location bud of injection mo(u)lding bobbin in mould.
The upper surface of described location bud is lower than the pole-face of U-iron core.
The upper surface of described location bud is mutually concordant with the pole-face of U-iron core.
Described magnet steel setting in coil, this magnet steel and iron core link together, described bobbin is coated on magnet steel fully.
Described armature assembly comprises armature, is arranged on the movable contact spring of armature side, armature and movable contact spring are injection-moulded in together insulating material body and moving spring leading foot; Contact jaw at movable contact spring is connected with moving contact, is provided with at least one rotating shaft at the middle part of this insulating material body, and this rotating shaft is installed in and makes armature assembly on the base can be that fulcrum rotates with the rotating shaft.
Described magnet steel is located in the armature assembly, and this magnet steel and armature link together, and described insulating material body is coated on magnet steel fully.
Described moving spring leading foot and movable contact spring are integral structure; Or moving spring leading foot and movable contact spring are weldingly connected and connect.
Described coil also comprises the coil leading foot, and the coil leading foot is molded on the bobbin in the injection moulding mode.
Described coil also comprises the coil leading foot, forms terminal pin on bobbin, and an end of coil leading foot and terminal pin welding fix, and described base is coated on the welding position of coil leading foot and terminal pin fully.
Described shell is made as the hull shape that adapts to base and can be contained within described armature assembly; Also be provided with muscle in this shell shell, between the movable contact spring and iron core when this muscle is arranged on armature assembly and matches with coil, so that iron core, armature and movable contact spring is isolated.
Described quiet spring assembly comprises affixed fixed contact on quiet spring leading foot and the quiet spring leading foot; This quiet spring leading foot is molded on the quiet spring frame strip material that punching out processes.
Described base is injection-moulded in together structure with coil and quiet spring frame strip material in predefined mode for adopting insulating material, and this structure is provided with at least one supporting member; The rotating shaft of armature assembly matches with this supporting member and makes armature assembly can be that fulcrum rotates with the rotating shaft, drives the movable contact spring motion, and dynamic and static contact is cut-off.
Described moving spring leading foot is the structural member of punching out processing in quiet spring frame strip material, also is provided with first weld part that is extended by this moving spring leading foot in the quiet spring frame strip material; Extension is provided with second weld part on the movable contact spring of described armature assembly, welds between first weld part and second weld part to fix.
Described coil leading foot is the structural member of punching out processing in quiet spring frame strip material, forms terminal pin on bobbin, and an end of coil leading foot and terminal pin welding fix, and described base is coated on the welding position of coil leading foot and terminal pin fully.
The beneficial effects of the utility model are, owing to adopted coil, quiet spring assembly, base, armature assembly, magnet steel, shell to constitute electromagnetic relay, and coil includes U-iron core, bobbin, electromagnetic wire and coil leading foot, is respectively equipped with two location buds that are used in mould location iron core in the both sides of two pole-faces of U-iron core; Base is injection-moulded in together structure with coil and quiet spring frame strip material in predefined mode for adopting insulating material, this structure is provided with at least one supporting member, this supporting member is used for supporting the rotating shaft of armature assembly, so that can being fulcrum with the rotating shaft, armature assembly rotates, the motion of driving movable contact spring is cut-off dynamic and static contact.This structure is to utilize simple shape, and the iron core of dimensionally stable, provides reliable and stable location in the course of processing of bobbin, make assembly precision higher, production efficiency is higher, thereby has guaranteed that the relay functional reliability is higher, reaches the purpose that is applicable to large-scale production line operation.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of electromagnetic relay of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the utility model embodiment one.
Fig. 2 is the core structure figure of the utility model embodiment one.
Fig. 3 is the bobbin end view of the utility model embodiment one.
Fig. 4 is the coil holder structure figure of the utility model embodiment one.
Fig. 5 is the coil structure of the utility model embodiment one.
Fig. 6 is the structure cutaway view of coil among Fig. 5.
Fig. 7 is the quiet spring frame strip material structure chart of the utility model embodiment one.
Fig. 8 is the base band material structure chart of the utility model embodiment one.
Fig. 9 is the armature assembly structure chart of the utility model embodiment one.
Figure 10 is the structure cutaway view of armature assembly among Fig. 9.
Figure 11 is that the relay of the utility model embodiment one partly is with the material structure chart.
Figure 12 is the cutaway view of the shell of the utility model embodiment one.
Figure 13 is the upward view of the shell of the utility model embodiment one.
Figure 14 is the cutaway top view of the relay of the utility model embodiment one.
Figure 15 be the utility model embodiment one relay analyse and observe left view
Figure 16 is the coil cutaway view of the utility model embodiment two.
Figure 17 is the armature assembly structure chart of the utility model embodiment two.
Figure 18 is the quiet spring frame strip material structure chart of the utility model embodiment three.
Figure 19 is the base band material structure chart of the utility model embodiment three.
Figure 20 is the armature assembly structure chart of the utility model embodiment three.
Figure 21 is that the relay of the utility model embodiment three partly is with the material structure chart.
Figure 22 is the quiet spring frame strip material structure chart of the utility model embodiment four.
Figure 23 is the quiet spring frame strip of the coil of the utility model embodiment four a material structure chart.
Figure 24 is the base band material structure chart of the utility model embodiment four.
Figure 25 is the core structure figure of the utility model embodiment five.
Figure 26 is the broken section front view of the utility model embodiment one.
Embodiment
Embodiment one, and to shown in Figure 15, a kind of electromagnetic relay of the present utility model comprises referring to Fig. 1:
One coil 1, it comprises the U-iron core 11 that is provided with two pole-faces, is molded over the outside of U-iron core and makes the bobbin 12 that two pole-faces of U-iron core expose, two coil leading foots that are wound on the electromagnetic wire 13 on the bobbin 12 and are located at bobbin in the injection moulding mode; Two coil leading foots are respectively coil leading foot 14 and coil leading foot 15; Two pole-faces of U-iron core 11 are respectively pole-face 11a and pole-face 11b; The both sides of two pole-faces of this U-iron core are respectively equipped with two location bud 11c that are used for locating iron core in mould;
One is molded over the quiet spring assembly on the quiet spring frame strip material 20 that punching out processes, and it comprises affixed fixed contact 28 on quiet spring leading foot and the quiet spring leading foot; It is respectively quiet spring leading foot 22, quiet spring leading foot 23, quiet spring leading foot 24 and quiet spring leading foot 25 that quiet spring leading foot has four;
One base 2, this base 2 is injection-moulded in together structure with coil 1 and quiet spring frame strip material 20 in predefined mode for adopting insulating material, and this structure is provided with at least one supporting member; It is supporting member 21a and supporting member 21b that present embodiment is provided with two supporting members;
One armature assembly 3, it comprises armature 33, is arranged on the movable contact spring of armature side, armature 33 and movable contact spring are injection-moulded in together insulating material body 34 and moving spring leading foot; Movable contact spring has two to be respectively movable contact spring 31 and movable contact spring 32; Moving spring leading foot has two to be spring leading foot 26 and moving spring leading foot 27 respectively; Contact jaw at movable contact spring is connected with moving contact 36, is provided with at least one rotating shaft in the approximate mid-section of this insulating material body 34, and it is rotating shaft 34a and rotating shaft 34b that present embodiment is provided with two rotating shafts; This rotating shaft cooperates with supporting member on the base, and making armature assembly 3 can be that fulcrum rotates with the rotating shaft, drives the movable contact spring motion, and dynamic and static contact is cut-off;
One magnet steel 35 is connected with armature;
One shell 4 is made as the hull shape that adapts to base 2 and can be contained within described armature assembly 3.
Extremely shown in Figure 6 as Fig. 2, U-iron core 11 and at least two coil leading foots are coil leading foot 14, the 15 inserts injection mouldings of coil leading foot form bobbin 12, add man-hour at bobbin 12, two pole-faces of the iron core 11 by being exposed to bobbin 12 outsides are pole-face 11a, pole-face 11b and the luxuriant 11c in location are positioned at iron core 11 in the mould, the size that guarantees bobbin 12 and iron core 11 is accurate, wherein the groove 12a on the bobbin 12 allows mould position usefulness to locating luxuriant 11c, again electromagnetic wire 13 is wound on and forms coil 1 on the bobbin 12, coil leading foot 14 also has coil and twines head end 14a, and in like manner the structure of coil leading foot 15 is analogous to coil leading foot 14.
As shown in Figure 7 and Figure 8, base 2 is to be reshaped by coil 1 and quiet spring frame strip material 20 to obtain, and is formed with supporting member 21a, the supporting member 21b of supporting armature assembly on the base; Described quiet spring frame strip material 20 is by a band material punching out is gone out general shape, fixed contact 28 being welded to again and being with last four the quiet spring leading foots of material the precalculated position that is quiet spring leading foot 22, quiet spring leading foot 23, quiet spring leading foot 24, quiet spring leading foot 25 is to make on position 22a, position 23a, position 24a, the position 25a, and it has also comprised the promptly moving spring leading foot 26 of two moving spring leading foots, moving spring leading foot 27; All having two free ends that are connected usefulness with movable contact spring on moving spring leading foot 26, the moving spring leading foot 27 is free end 26a and free end 26b, free end 27a and free end 27b.
As Fig. 9 and shown in Figure 10, armature assembly 3 comprises armature 33, be positioned at the movable contact spring 31 of armature 33 both sides and movable contact spring 32, magnet steel 35 and they are injection-moulded in together insulating material body 34; Two pole-faces of armature 33 are that pole-face 33a, pole-face 33b are exposed to outside the insulating material body 34; Rotating shaft 34a, rotating shaft 34b are arranged in the both sides of armature; It is free end 31c and free end 31d that movable contact spring 31 and movable contact spring 32 have two free ends that are welded with moving contact 36 respectively, free end 32c and free end 32d, and two free ends that are used for connecting base are free end 31a and free end 31b, free end 32a and free end 32b.
As Fig. 8, Fig. 9 and shown in Figure 11, after on the base 2 that armature assembly 3 is assembled on the band material, with the free end on movable contact spring among Fig. 9 31, the movable contact spring 32 be free end 31a, free end 31b and free end 32a, free end 32b with Fig. 8 on the moving spring leading foot 26, moving spring leading foot 27 free end 26a, free end 26b and free end 27a, free end 27b is corresponding welds together, thereby finish the assembling of relay part, armature assembly 3 is bearing on supporting member 21a, the supporting member 21b of base among Fig. 8 by its Fig. 9 shaft 34a, rotating shaft 34b.
Extremely shown in Figure 15 as Figure 12, shell 4 has muscle 41a, muscle 41a is arranged on movable contact spring 31, between movable contact spring 32 and the iron core 11, with two pole-faces of iron core 11 is pole-face 11a, pole-face 11b, two pole-faces of armature 33 are pole-face 33a, pole-face 33b and movable contact spring 31, the free end that is welded with moving contact 36 of movable contact spring 32 is free end 31c, free end 31d and free end 32c, free end 32d keeps apart, the insulation property between moving spring and iron core have been strengthened, will be further strengthen the insulation property between moving spring and coil, prevent that also particle that contact loss in use forms from having influence on cooperating between iron core pole-face and armature pole-face.Muscle 41a can contact with base 2, also can not contact.
Muscle 41a can also form staggered with the insulating material body 34 of armature assembly 3, can better strengthen the insulation property of moving between spring and coil with iron core 11, armature 33 and movable contact spring 31, movable contact spring 32 in shown in Figure 14 vertically keeping apart fully like this.Certainly insulating material body 34 can not form staggered with muscle 41a yet.
Embodiment two, and to shown in Figure 17, a kind of electromagnetic relay of the present utility model is the installation site difference of magnet steel with the difference of embodiment one referring to Figure 16.
As shown in figure 16, magnet steel 11d is arranged in the coil 1, and magnet steel 11d and iron core 11 link together, and coats an insulating material body and forms bobbin 12, and coiling electromagnetic wire 13 forms coil 1 on bobbin 12.
As shown in figure 17, armature assembly 3 comprises armature 33, is positioned at the movable contact spring 31, movable contact spring 32 of armature 33 both sides and they is injection-moulded in together insulating material body 34; Two pole-faces of armature 33 are that pole-face 33a, pole-face 33b are exposed to outside the insulating material body 34; Rotating shaft 34a, rotating shaft 34b are arranged in the both sides of armature; It is free end 31c, free end 31d and free end 32c, free end 32d that movable contact spring 31 and movable contact spring 32 have two free ends that are welded with moving contact 36 respectively, and two free ends that connect base are free end 31a, free end 31b and free end 32a, free end 32b.
With Figure 16 and coil 1 shown in Figure 17 and armature assembly 3 alternative embodiments once in respective coil 1 and armature assembly 3 obtained embodiment two.
Embodiment three, to shown in Figure 21, a kind of electromagnetic relay of the present utility model is with the difference of embodiment one referring to Figure 18, moving spring leading foot and movable contact spring are integral structure, first weld part that is not extended by this moving spring leading foot in quiet spring frame strip material; On the movable contact spring of armature assembly, do not extend yet and be provided with second weld part.
As Figure 18 and shown in Figure 19, base 2 is to be reshaped by coil 1 and quiet spring frame strip material 20 to obtain, and is formed with supporting member 21a, the supporting member 21b of supporting armature assembly on the base; Described quiet spring frame strip material 20 is by a band material punching out being gone out general shape, fixed contact 28 being welded to be with again and expecting that the precalculated position that last four quiet spring leading foots are quiet spring leading foot 22, quiet spring leading foot 23, quiet spring leading foot 24, quiet spring leading foot 25 is to make on position 22a, position 23a, position 24a, the position 25a.
As shown in figure 20, armature part 3 comprise armature 33, be positioned at the movable contact spring 31 of armature 33 both sides and movable contact spring 32, magnet steel 35 and they are injection-moulded in together insulating material body 34; Two pole-faces of armature 33 are that pole-face 33a, pole-face 33b are exposed to outside the insulating material body 34; Rotating shaft 34a, rotating shaft 34b are arranged in the both sides of armature; It is free end 31c, free end 31b and free end 32c, free end 32b that movable contact spring 31 and movable contact spring 32 have two free ends that are welded with moving contact 36 respectively, and two moving spring leading foots promptly move spring leading foot 26, moving spring leading foot 27.
To shown in Figure 21, after on the base 2 that armature assembly 3 is assembled on the band material, finish the assembling of relay part as Figure 19, armature assembly 3 is bearing on supporting member 21a, the supporting member 21b of base among Figure 18 by its Figure 20 shaft 34a, rotating shaft 34b.
Embodiment four, and to shown in Figure 24, a kind of electromagnetic relay of the present utility model is that with the difference of embodiment three the coil leading foot is the structural member of punching out processing in quiet spring frame strip material referring to Figure 22.
Extremely shown in Figure 24 as Figure 22, base 2 is to reshape after being welded to the terminal pin 14b of coil 1, terminal pin 15b on coil leading foot 14 on the quiet spring frame strip material 20, the coil leading foot 15 to obtain, and is formed with supporting member 21a, the 21b of supporting armature assembly on the base; Described quiet spring frame strip material 20 is by a band material punching out is gone out general shape, fixed contact 28 being welded to again and being with last four the quiet spring leading foots of material the precalculated position that is quiet spring leading foot 22, quiet spring leading foot 23, quiet spring leading foot 24, quiet spring leading foot 25 is to make on position 22a, position 23a, position 24a, the position 25a, and it has comprised that also two coil leading foots are coil leading foot 14, coil leading foot 15.
Armature assembly 3 is the structure of Figure 20 roughly the same.
After on the base 2 that armature assembly 3 is assembled on the band material, coil leading foot 14, coil leading foot 15 among Figure 22 are disconnected from quiet spring frame strip material 20, thereby finish the assembling of relay part, as Figure 21, armature assembly 3 is bearing on supporting member 21a, the supporting member 21b of base by its rotating shaft 34a, rotating shaft 34b.
Embodiment five, and referring to shown in Figure 25, a kind of electromagnetic relay of the present utility model is that with the difference of embodiment one upper surface of the described luxuriant 11c in location is mutually concordant with the pole-face of U-iron core.
Below, the course of action of electromagnetic relay in the utility model is described with reference to Figure 26 and Fig. 1:
At first, when relay is unexcited, the magnetic force of relay both sides is unbalanced, so an end 33b who makes armature 33 is attracted to the corresponding pole-face 11b of iron core 11, make fixed contact 28 on the corresponding quiet spring 23,25 of moving contact 36 contacts on movable contact spring 31, movable contact spring 32 1 side 31d, the 32d, and make the moving contact 36 on opposite side 31c, the 32c throw off fixed contact 28 on the corresponding quiet spring 22,24.
Then, when excitation coil 1, make the actuating of relay, be that coil 13 produces a magnetic energy of offsetting the magnetic force of magnet steel 35, the magnetic force that makes armature 33 overcome magnet steel rotates, and make an end 33b of armature 33 break away from the corresponding pole-face 11b of iron core 11, make the moving contact 36 on one side 31d, the 32d break away from corresponding fixed contact 28 thereby drive movable contact spring 31,32; Then an end 33a of armature 33 contacts the corresponding pole-face 11a of iron core 11, thereby drives the fixed contact 28 that movable contact spring 31,32 contacts on the corresponding quiet spring 22,24 moving contact 36 on its opposite side 31c, the 32c.
Then, when being the monostable type as if relay, when coil removed excitation, the magnetic force that coil produces disappeared, and just recovered the imbalance of magnetic force again.The magnetic force of magnet steel 35 just makes armature 33 action, and the direction of the direction of action during with above-mentioned coil stimulating is opposite, and makes armature 33 rotate back into original unenergized condition, and relay resets; When if relay is bi-stable type, when coil removes excitation, armature 33 does not rotate back into original unenergized condition, if want armature 33 homings, need apply reverse energization or apply excitation for second group of resetting coil to coil, reverse magnetic force when making coil produce with above-mentioned excitation action resets armature 33 and relay.
Clearly, the utility model should be not limited to cited embodiment, can also be used on the electromagnetic relay that other similar fashion makes, if any the right electromagnetic relay of one or more groups dynamic and static spring.
The foregoing description only is used for further specifying a kind of electromagnetic relay of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls in the protection range of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. an electromagnetic relay comprises coil, armature assembly, quiet spring assembly, base, magnet steel and shell; In the chamber that coil, armature assembly, quiet spring assembly and magnet steel are contained in shell and base respectively and are surrounded; This coil comprises the U-iron core that is provided with two pole-faces, is molded over the outside of U-iron core and makes the bobbin that two pole-faces of U-iron core expose and be wound on electromagnetic wire on the bobbin in the injection moulding mode; It is characterized in that: the both sides of two pole-faces of this U-iron core are respectively equipped with two and are used for locating iron core to realize the location bud of injection mo(u)lding bobbin in mould.
2. electromagnetic relay according to claim 1 is characterized in that: the upper surface of described location bud is lower than the pole-face of U-iron core.
3. electromagnetic relay according to claim 1 is characterized in that: the upper surface of described location bud is mutually concordant with the pole-face of U-iron core.
4. electromagnetic relay according to claim 1 is characterized in that: described magnet steel setting in coil, this magnet steel and iron core link together, described bobbin is coated on magnet steel fully.
5. electromagnetic relay according to claim 1 is characterized in that: described armature assembly comprises armature, is arranged on the movable contact spring of armature side, armature and movable contact spring are injection-moulded in together insulating material body and moving spring leading foot; Contact jaw at movable contact spring is connected with moving contact, is provided with at least one rotating shaft at the middle part of this insulating material body, and this rotating shaft is installed in and makes armature assembly on the base can be that fulcrum rotates with the rotating shaft.
6. electromagnetic relay according to claim 5 is characterized in that: described magnet steel is located in the armature assembly, and this magnet steel and armature link together, and described insulating material body is coated on magnet steel fully.
7. electromagnetic relay according to claim 5 is characterized in that: described moving spring leading foot and movable contact spring are integral structure; Or moving spring leading foot and movable contact spring are weldingly connected and connect.
8. electromagnetic relay according to claim 1 is characterized in that: described coil also comprises the coil leading foot, and the coil leading foot is molded on the bobbin in the injection moulding mode.
9. electromagnetic relay according to claim 1, it is characterized in that: described coil also comprises the coil leading foot, form terminal pin on bobbin, an end of coil leading foot and terminal pin welding fix, and described base is coated on the welding position of coil leading foot and terminal pin fully.
10. electromagnetic relay according to claim 5 is characterized in that: described shell is made as the hull shape that adapts to base and can be contained within described armature assembly; Also be provided with muscle in this shell shell, between the movable contact spring and iron core when this muscle is arranged on armature assembly and matches with coil, so that iron core, armature and movable contact spring is isolated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203110741U CN201527934U (en) | 2009-09-22 | 2009-09-22 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203110741U CN201527934U (en) | 2009-09-22 | 2009-09-22 | Electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527934U true CN201527934U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203110741U Expired - Lifetime CN201527934U (en) | 2009-09-22 | 2009-09-22 | Electromagnetic relay |
Country Status (1)
| Country | Link |
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| CN (1) | CN201527934U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826132A (en) * | 2016-04-14 | 2016-08-03 | 厦门宏发电声股份有限公司 | Relay base structure capable of realizing positioning stability and good consistency during secondary injection molding |
| CN106992101A (en) * | 2017-05-05 | 2017-07-28 | 厦门宏发信号电子有限公司 | A kind of high microminiature electromagnetic relay of stationary contact spot placement accuracy |
| CN107833795A (en) * | 2017-10-27 | 2018-03-23 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay of coil pin insert injection molding |
| CN109545627A (en) * | 2018-10-31 | 2019-03-29 | 厦门宏发信号电子有限公司 | A kind of relay construction that break contact gap can be improved |
| WO2022179430A1 (en) * | 2021-02-25 | 2022-09-01 | 厦门宏发信号电子有限公司 | Highly-reliable insulating ultra-small electromagnetic relay |
-
2009
- 2009-09-22 CN CN2009203110741U patent/CN201527934U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826132A (en) * | 2016-04-14 | 2016-08-03 | 厦门宏发电声股份有限公司 | Relay base structure capable of realizing positioning stability and good consistency during secondary injection molding |
| CN106992101A (en) * | 2017-05-05 | 2017-07-28 | 厦门宏发信号电子有限公司 | A kind of high microminiature electromagnetic relay of stationary contact spot placement accuracy |
| WO2018201949A1 (en) * | 2017-05-05 | 2018-11-08 | 厦门宏发信号电子有限公司 | Ultra-small electromagnetic relay with high static contact point positioning precision |
| US11380505B2 (en) | 2017-05-05 | 2022-07-05 | Xiamen Hongfa Signal Electronics Co., Ltd. | Ultra-small electromagnetic relay with high stationary contact positioning precision |
| CN107833795A (en) * | 2017-10-27 | 2018-03-23 | 厦门宏发汽车电子有限公司 | A kind of electromagnetic relay of coil pin insert injection molding |
| CN107833795B (en) * | 2017-10-27 | 2020-02-18 | 厦门宏发汽车电子有限公司 | Electromagnetic relay formed by injection molding of coil pin insert |
| CN109545627A (en) * | 2018-10-31 | 2019-03-29 | 厦门宏发信号电子有限公司 | A kind of relay construction that break contact gap can be improved |
| WO2022179430A1 (en) * | 2021-02-25 | 2022-09-01 | 厦门宏发信号电子有限公司 | Highly-reliable insulating ultra-small electromagnetic relay |
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