CN100361252C - Coil component of electromagnetic relay - Google Patents
Coil component of electromagnetic relay Download PDFInfo
- Publication number
- CN100361252C CN100361252C CNB2005100724786A CN200510072478A CN100361252C CN 100361252 C CN100361252 C CN 100361252C CN B2005100724786 A CNB2005100724786 A CN B2005100724786A CN 200510072478 A CN200510072478 A CN 200510072478A CN 100361252 C CN100361252 C CN 100361252C
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- coil
- magnetic conductor
- magnet steel
- relay
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H50/443—Connections to coils
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
The present invention provides a coil component of an electromagnetic relay, which relates to an electromagnetic relay and provides a coil component of the electromagnetic relay with a C-shaped magnetizable component. The present invention is provided with the C-shaped magnetizable component, an insulation coil frame, and at least one pair of terminal pins by which the coil and the coil frame are connected into a whole, the coil wound on the insulation coil frame, each of the terminal pins has two free ends, one free end is a pin out of the coil of the relay, and the other free end is a head-winding end of the coil. The head-winding end of the present coil and the pin out of the coil of the relay are formed into an integral terminal pin which is in the injection molding with the component of the coil frame together, the manufacturing process that a lead piece and the pin out are welded together by an extra device is omitted, the present invention notablely saves the device investment, eliminates the hidden trouble of cold joint, simplifies the manufacturing process, improves the coil winding space and the coil magnetic efficiency, and simplifies the coil winding process so that the relay is microminiaturized, the material cost is reduced, and the reliability, the production efficiency and the qualification rate of the relay is efficiently improved.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, especially relate to a kind of band C shape magnetic conduction iron, or the electromagnetic relay coil parts of C shape magnetic conduction iron and magnet steel.
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, longer service life, and functional reliability is higher.The CN02217796 utility model patent discloses a kind of microminiature high sensitive relay, need coil winding finish and the base of packing into after, the lead wire of coil and the coil leading foot of relay are welded together.The CN99101704 patent of invention discloses a kind of electromagnetic relay, need be after coil winding be finished, before the base integral molded plastic, the lead wire of coil and the coil leading foot of relay are welded together, not only there is the hidden danger of its pad rosin joint in such coil lead-out mode, and needing extra process equipment, processing technology is long and complicated.Application number is that the application for a patent for invention of CN03141569 discloses the highly sensitive communication relay of a kind of microminiature, owing to be provided with the magnet steel seat hole at the bobbin middle part, the coiling space of coil has significantly been reduced, this will cause the reduction greatly of magnetic circuit efficient, make relay be difficult to further miniaturization, and the technique for coiling complexity of its coil promptly needs the magnet steel seat hole at cranked coil frame middle part in the winding process, increased production cost.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art, a kind of equipment input cost that not only can save in the relay production is provided, simplify the production technology of parts, and the coiling space of increasing coil, improve magnetic circuit efficient, simplify the technique for coiling of coil, thereby make the further miniaturization of relay, improve the reliability of relay again, and a kind of electromagnetic relay coil parts with C shape magnetic conductive part of production efficiency and qualification rate.
At least one pair of terminal pin that the present invention is provided with C shape magnetic conductive part, insulating bobbin, coil and is connected as a single entity with bobbin, coil is on insulating bobbin, each terminal pin respectively has two free ends, and a free end is the coil leading foot of relay, and another free end is the head end that twines of coil.
Said C shape magnetic conductive part is C shape magnetic conductor or the C shape parts that are made of magnet steel and magnetic conductor.The said C shape parts that are made of magnet steel and magnetic conductor are provided with shaft-like magnetic conductor and a pair of magnet steel, and a pair of magnet steel is arranged at the two ends of shaft-like magnetic conductor respectively, and shaft-like magnetic conductor constitutes C shape magnetic conductive part with the magnet steel that is arranged at shaft-like magnetic conductor two ends.
Said terminal pin can be established two pairs, and two pairs of terminal pins respectively have two free ends, and an end is the coil leading foot of relay, and the other end is the head end that twines of coil.When coil was unicoil, wherein a pair of coil lead pin only played effects such as supporting in the course of processing, location; When coil was twin coil, the function of two pairs of coil lead pin was identical.
When C shape magnetic conductive part was magnet steel and magnetic conductor, the insulating material of insulating bobbin can fuse, and wrapped with insulation has been lived the remainder except that C shape parts two pole-faces of magnet steel and magnetic conductor formation.Also can leave magnetic conductor or magnet steel seat hole at two extreme or hub of a spool places of insulating bobbin, magnetic conductor or magnet steel are placed in this hole.
Insulating bobbin can comprise two parts at least, wrapped the part of the two pole-faces below of the C shape magnetic conductive part that magnet steel and magnetic conductor constitute respectively, be that the C shape magnetic conductive part that magnet steel and magnetic conductor constitute has two pole-faces and is not insulated the middle part that material wraps, but the surface of the C shape magnetic conductive part that constitutes at magnet steel and magnetic conductor scribbles an insulating barrier, also can be it to be wrapped with another insulating material at the middle part of magnet steel with the C shape magnetic conductive part of magnetic conductor formation.
On same framework, made by a conducting metal billot punching press by this framework before coiling for terminal pin, but this metal billot punching press is made a series of frameworks and they are linked together.Framework is cut off after C shape magnetic conductive part that magnet steel and magnetic conductor constitute and terminal pin integral molded plastic get bobbin, thereby obtains being no less than two terminal pin; Or terminal pin is part independently, and plug-in mounting is gone in the bobbin of injection formed.
When C shape magnetic conductive part was C shape magnetic conductor, the insulating material of insulating bobbin can fuse, and wrapped with insulation has been lived the remainder except that C shape magnetic conductor two pole-faces.
Insulating bobbin can comprise two parts at least, wrapped the part of C shape magnetic conductor two pole-faces belows respectively, be that C shape magnetic conductor has two pole-faces and is not insulated the middle part that material wraps, but scribble an insulating barrier on the surface of C shape magnetic conductor, also can be with another insulating material it to be wrapped at the middle part of C shape magnetic conductor.
On same framework, made by a conducting metal billot punching press by this framework before coiling for terminal pin, but this metal billot punching press is made a series of frameworks and they are linked together.Framework is cut off after C shape magnetic conductor and terminal pin integral molded plastic get bobbin, thereby obtains being no less than two terminal pin; Or terminal pin is part independently, and plug-in mounting is gone in the bobbin of injection formed.
The lead-out mode of coil is two of coil or four exits to be wrapped in leading foot respectively twine on the head end, then welds them together.
The C shape magnetic conductive part that is made of magnet steel and magnetic conductor of the present invention or all can be applicable to electromagnetic relay by the C shape magnetic conductive part that C shape magnetic conductor constitutes, electromagnetic relay comprise case, armature assembly, coil component and quiet spring are injection-moulded in together contact base component.Coil component comprises C shape magnetic conductive part and the insulating bobbin that be made of magnet steel and magnetic conductor or that be made of C shape magnetic conductor that is injection-moulded in together, be wound with coil on the bobbin, armature assembly comprises armature and is arranged at least one movable contact spring of armature side and they are injection-moulded in together insulating material, coil component also comprises the terminal pin that is injection-moulded in together, terminal pin has two free ends, one end is the coil leading foot of relay, and the other end is the head end that twines of coil.
Compared with prior art, the invention has the advantages that the coil leading foot that coil of the prior art is twined head end and relay is arranged to incorporate terminal pin, and it is injection-moulded in the bobbin parts, omitted the production process that lead wire and leading foot is welded together with extras, significantly saved the input cost of equipment, eliminated the rosin joint hidden danger that may exist, simplified the relay production technology greatly, improved the coiling space of coil simultaneously, improved the magnetic efficiency of coil, simplify the technique for coiling of coil, thereby make the further miniaturization of relay, reduce the material cost of product, improved the functional reliability of relay again effectively, production efficiency and qualification rate help large-scale production line operation.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the structural representation of Fig. 1 another side.
Fig. 3 is the terminal pin structural representation in the embodiment of the invention.
Fig. 4 is the cutaway view of the embodiment of the invention.
Fig. 5 is the cutaway view of the embodiment of the invention 2.
Fig. 6 is the cutaway view of the embodiment of the invention 3.
Fig. 7 is the STRUCTURE DECOMPOSITION figure that uses electromagnetic relay embodiment of the present invention.
Embodiment
It is following that the invention will be further described with reference to accompanying drawing.
Embodiment 1
As Figure 1-3, the present invention is provided with the C shape parts 11 that are made of magnet steel and magnetic conductor, coil 13 is on insulating bobbin 12, the 1st terminal pin 14 and the 2nd terminal pin 15 are injection-moulded in insulating bobbin 12, the 1st terminal pin 14 and the 2nd terminal pin 15 have two free ends, one free end 14a, 15a are the coil leading foots of relay, and another free end 14b, 15b are the head ends that twines of coil.When the 2nd terminal pin 15 is unicoil at coil 13, only play effects such as supporting in the course of processing, location; When coil 13 was twin coil, its function was with the 1st terminal pin 14.
The lead-out mode of coil 13 is that two exits with coil 13 are wrapped in leading foot respectively and twine on head end 14b and the 15b, perhaps is wrapped in leading foot respectively and twines on head end 14b or the 15b, then welds them together.
The 1st terminal pin 14 of the present invention includes two free ends, and a free end 14a is the coil leading foot of relay, and another free end 14b is the head end that twines of coil.On same framework, made by a conducting metal billot punching press by this framework before coiling 13 for the 1st terminal pin 14, but this metal billot punching press is made a series of frameworks and they are linked together.Framework is cut off after the C shape parts 11 that are made of magnet steel and magnetic conductor and the 1st terminal pin 14 integral molded plastics get insulating bobbin 12, thereby obtains being no less than two the 1st terminal pin 14.
In Fig. 4, the insulating material of insulating bobbin 12 fuses, and has wrapped the remainder except that C shape parts two pole-face 11a, the 11b of magnet steel and magnetic conductor formation.Other mark in Fig. 4 is identical with Fig. 2.
Embodiment 2
Fig. 5 provides an alternative embodiment of the invention, insulating bobbin 12 is not an one, at least comprise two parts 12a, 12b, wrapped the part of two pole-face 11a, the 11b below of the C shape parts that magnet steel and magnetic conductor constitute respectively, be that C shape parts that magnet steel and magnetic conductor constitute have two pole- face 11a, 11b and its middle part not to be insulated material to wrap, but the middle part of the C shape parts 11 that constitute at magnet steel and magnetic conductor wraps it with another insulating material 16, also can coat an insulating barrier on the surface of the C shape parts 11 of magnet steel and magnetic conductor formation.Other mark in Fig. 5 is identical with Fig. 2.
Embodiment 3
Fig. 6 has provided an alternative embodiment of the invention, and two extreme or hub of a spool places of insulating bobbin 12 leave magnetic conductor 11c or magnet steel 11d seat hole, and magnetic conductor 11c or magnet steel 11d are placed in this hole in later process again.The magnetic conductor 11 of the C shape parts 11 of magnet steel 11d and magnetic conductor 11c formation being replaced by the formation C shape of several parts compositions also is fine, and C shape magnetic conductor 11 is divided into several parts of above-mentioned magnet steel 11d of likeness in form and magnetic conductor 11c.
As shown in Figure 7, provided an embodiment who uses relay of the present invention, referring to Fig. 2-6, electromagnetic relay comprises case 4, armature assembly 3, coil component 1 and quiet spring is injection-moulded in together contact base component 2.Coil component 1 comprises the C shape parts that are made of magnet steel 11d and magnetic conductor 11c 11 that are injection-moulded in together and the bobbin 12 of insulation, be wound with coil 13 on the bobbin 12, armature assembly 3 comprises armature and is arranged on a pair of movable contact spring of armature side and they are injection-moulded in together insulating material, coil component 1 also comprises the 1st terminal pin 14 and the 2nd terminal pin 15 that is injection-moulded in together, the 1st terminal pin 14 has two free ends, one end 14a is the coil leading foot of relay, other end 14b is the head end that twines of coil, and the 2nd terminal pin 15 only plays the supporting in the course of processing, effects such as location.
Claims (8)
1, a kind of coil component of electromagnetic relay, at least one pair of terminal pin that it is characterized in that being provided with C shape magnetic conductive part, insulating bobbin, coil and be connected as a single entity with bobbin, coil is on insulating bobbin, each terminal pin respectively has two free ends, one free end is the coil leading foot of relay, another free end is the head end that twines of coil, and said C shape magnetic conductive part is a C shape magnetic conductor.
2, the coil component of a kind of electromagnetic relay as claimed in claim 1, it is characterized in that said C shape magnetic conductive part is provided with shaft-like magnetic conductor and a pair of magnet steel, a pair of magnet steel is arranged at the two ends of shaft-like magnetic conductor respectively, and shaft-like magnetic conductor constitutes C shape magnetic conductive part with the magnet steel that is arranged at shaft-like magnetic conductor two ends.
3, the coil component of a kind of electromagnetic relay as claimed in claim 1 is characterized in that said terminal pin establishes two pairs, and two pairs of terminal pins respectively have two free ends, and an end is the coil leading foot of relay, and the other end is the head end that twines of coil.
4, the coil component of a kind of electromagnetic relay as claimed in claim 1 is characterized in that the insulating material of insulating bobbin fuses, and wrapped with insulation has been lived the remainder except that C shape magnetic conductor two pole-faces; Perhaps wrapped with insulation has been lived the remainder of C shape parts two pole-faces that constitutes except that magnet steel and magnetic conductor, or insulating bobbin two extremely or the hub of a spool place leave magnetic conductor or magnet steel seat hole, magnetic conductor or magnet steel are placed in this hole.
5, as the coil component of claim 1 or 4 described a kind of electromagnetic relays, it is characterized in that insulating bobbin is provided with two parts at least, wrapped the part of C shape magnetic conductor two pole-faces belows respectively, scribble an insulating barrier on the surface of C shape magnetic conductor.
6, as the coil component of claim 1 or 4 described a kind of electromagnetic relays, it is characterized in that insulating bobbin is provided with two parts at least, wrapped the part of the two pole-faces below of the C shape parts that magnet steel and magnetic conductor constitute respectively, be that the C shape parts that magnet steel and magnetic conductor constitute have two pole-faces and are not insulated the middle part that material wraps, scribble an insulating barrier on the surface of magnet steel and the C shape parts of magnetic conductor formation.
7, the coil component of a kind of electromagnetic relay as claimed in claim 1, the exit that it is characterized in that coil are wrapped in the 1st leading foot respectively and twine head end and the 2nd leading foot and twine on the head end and weld together.
8, the coil component of a kind of electromagnetic relay as claimed in claim 1, the exit that it is characterized in that coil are wrapped in the 1st leading foot respectively and twine head end or the 2nd leading foot and twine on the head end and weld together.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100724786A CN100361252C (en) | 2005-05-19 | 2005-05-19 | Coil component of electromagnetic relay |
| PCT/CN2006/000600 WO2006125361A1 (en) | 2005-05-19 | 2006-04-05 | A coil component for an electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100724786A CN100361252C (en) | 2005-05-19 | 2005-05-19 | Coil component of electromagnetic relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1697112A CN1697112A (en) | 2005-11-16 |
| CN100361252C true CN100361252C (en) | 2008-01-09 |
Family
ID=35349761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100724786A Active CN100361252C (en) | 2005-05-19 | 2005-05-19 | Coil component of electromagnetic relay |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100361252C (en) |
| WO (1) | WO2006125361A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157515B (en) * | 2014-07-18 | 2017-01-18 | 漳州宏发电声有限公司 | Coil soldering lug and double-coil relay as well as assembly method of coil soldering lug and double-coil relay |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19719357C1 (en) * | 1997-05-07 | 1998-10-22 | Siemens Ag | Miniature electromagnetic relay |
| EP1298690A1 (en) * | 2001-10-01 | 2003-04-02 | Tyco Electronics EC K.K. | Electromagnetic relay |
| CN1129934C (en) * | 1998-01-27 | 2003-12-03 | 松下电工株式会社 | Electromagnetic relay |
| CN1129931C (en) * | 1996-04-17 | 2003-12-03 | 西门子公司 | Electromagnetic relay |
| CN2791856Y (en) * | 2005-05-19 | 2006-06-28 | 厦门宏发电声有限公司 | Electromagnetic relay coil part with C-shape magnetic conductor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221001C (en) * | 2003-07-11 | 2005-09-28 | 杨晓厦 | Ultrasmall high-sensitivity communication relay |
-
2005
- 2005-05-19 CN CNB2005100724786A patent/CN100361252C/en active Active
-
2006
- 2006-04-05 WO PCT/CN2006/000600 patent/WO2006125361A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1129931C (en) * | 1996-04-17 | 2003-12-03 | 西门子公司 | Electromagnetic relay |
| DE19719357C1 (en) * | 1997-05-07 | 1998-10-22 | Siemens Ag | Miniature electromagnetic relay |
| CN1129934C (en) * | 1998-01-27 | 2003-12-03 | 松下电工株式会社 | Electromagnetic relay |
| EP1298690A1 (en) * | 2001-10-01 | 2003-04-02 | Tyco Electronics EC K.K. | Electromagnetic relay |
| CN2791856Y (en) * | 2005-05-19 | 2006-06-28 | 厦门宏发电声有限公司 | Electromagnetic relay coil part with C-shape magnetic conductor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1697112A (en) | 2005-11-16 |
| WO2006125361A1 (en) | 2006-11-30 |
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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 | ||
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Effective date of registration: 20160831 Address after: A road in Haicang District of Xiamen city of Fujian Province, No. 83 361000 Patentee after: Xiamen Hongfa Electronics Co., Ltd. signal Address before: 361021 Fujian Province, Xiamen city Jimei North Industrial Zone sun ban Road No. 91-101 Patentee before: Xiamen Hongfa Electroacoustic Co., Ltd. |