CN101488418B - Normally opened relay - Google Patents
Normally opened relay Download PDFInfo
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- CN101488418B CN101488418B CN200910046338XA CN200910046338A CN101488418B CN 101488418 B CN101488418 B CN 101488418B CN 200910046338X A CN200910046338X A CN 200910046338XA CN 200910046338 A CN200910046338 A CN 200910046338A CN 101488418 B CN101488418 B CN 101488418B
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- pin
- moving contact
- yoke
- output pin
- normally opened
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Abstract
The invention provides a normally opened relay. The relay comprises an electromagnetic mechanism, a connecting base and a shell, wherein an input pin is formed by a pin and a connecting sheet; a resistor can be embedded in a notch outside the upper part of the pin; one edge of the L-shaped connecting sheet is riveted with the upper end of the pin; a horizontal needling on one side of the other edge of the connecting sheet is embedded into the upper edge of a frame, while a horizontal branch on the other side is welded with a leading-out wire; a heel piece and an output pin of a moving contact are connected into a whole, wherein the moving contact and an armature are respectively riveted with one side of an L-shaped reed, while the other side of the L-shaped reed is riveted with the heel piece. By virtue of improvement on the existing normally opened relay for a minicar, the problem of poor radiation performance of heavy load excessive current is solved, part design is simplified, the number of parts is reduced, and the assembly precision is improved.
Description
Technical field
The present invention relates to electronic device, particularly a kind of normally opened relay.
Background technology
Midget relay is the electronic device of a kind of extensive use on the automobile, for versatility and the interchangeability that improves relay, improve the reliability of vehicle electrical systems, international standard (ISO-7588-3-1998) road vehicle---electrical equipment/electronic switching device the 5th part; Midget relay has carried out standard to overall dimension, pin form positions and the function of normally closed relay, normally opened relay, switching relay respectively.But, along with the high speed development of Hyundai Motor, normally open relay for automobile is had higher requirement, as load big (20A 12VDC), driving power little (1.1W) etc., thereby produced the difficult new problem of super-high-current heat radiation; The inner space of relay is very little in addition, requires its number of spare parts to try one's best and reduces, and part shape is simple as far as possible, so that process, assemble.Rope DENSO steps in Japan as shown in Figure 1, its reed 8 ' and output pin 3 ' be riveted on respectively yoke 10 ' on, be closed in shell 16 ' in, be difficult for heat radiation; The input pin 1 that resistance 13 ' be inlaid in shape is complicated ' on, the little assembling in space is difficult; And coil 15 ' the system that twines and lead-out wires of coil and input pin 1 ' molten weldering between every a plurality of rivetings dress operations, making troubles to production management also influences coil and twines the system quality. these problems all must be improved Element Design, internal structure, the assembly technology of present relay.
Summary of the invention
The present invention has relay super-high-current poor radiation, the complicated existing technical problem of assembly technology now in order to solve, and develops a kind of normally open relay for automobile of new internal structure.
According to above-mentioned purpose, the invention provides a kind of normally opened relay, comprise electromagnetic mechanism and be connected base and shell; Wherein electromagnetic mechanism is made up of moving contact, armature, reed, yoke, skeleton, iron core, coil, wherein connects two input pins, the moving contact output pin of base by coil, and fixed contact output pin, fixed contact, margining tablet, resistance, base are formed.
Wherein input pin is made of pin, brace; But pin upper outside recess setting-in resistance is the one side and the riveted joint of pin upper end of the brace of L font, and its another side horizontal needing on one side embeds the skeleton top, the lead-out wire of the horizontal branch welding coil on another side.
Wherein yoke and moving contact output pin fuses.
The reed that wherein is the L font is riveted with moving contact, armature respectively on one side, its another side and yoke riveted joint.
Said apparatus, wherein yoke and moving contact output pin adopts the electrical pure iron material to make, and fixed contact output pin adopts pure copper material to make.
The present invention is owing to taked above technical measures, existing miniature normally open relay for automobile is improved, solved the poor radiation problem of heavy load super-high-current, simplified Element Design, reduce number of spare parts, improved assembly precision, improved production efficiency, saved product cost, effect is fairly obvious.
Description of drawings
Fig. 1 is the structural representation of existing normally open relay for automobile.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is the structural representation of existing normally open relay for automobile input pin.
Fig. 4 is the structural representation of input pin of the present invention.
Embodiment
Be the full sectional view of a kind of normally open relay for automobile of the present invention as shown in Figure 2, with clear expression internal structure, it comprises electromagnetic mechanism and is connected base and shell 16 that wherein electromagnetic mechanism is made up of moving contact 6, armature 8, reed 9, yoke 10, skeleton 11, iron core 12, coil 15; Wherein connect the two structures identical input pin of base by coil 15, moving contact output pin 3, fixed contact output pin 4, fixed contact 5, margining tablet 7, resistance 13, base 14 are formed.The structure of various relays is basic identical, and parts and connected mode thereof that it is detailed repeat no more, and below innovation part of the present invention is further elaborated.
Wherein input pin 1 is by pin 1-1, and brace 1-2 constitutes; But the recess 1-1-1 setting-in resistance 13 of pin 1-1 upper outside; Be one side 1-2-1 and the 1-1-2 riveted joint of pin 1-1 upper end of the brace 1-2 of L font, its another side 1-2-2 horizontal needing 1-2-3 on one side embeds the top of skeleton 13, and another other horizontal branch 1-2-4 can weld the lead-out wire of coil 15.Wherein yoke 10 fuses with moving contact output pin 3; The reed 9 that wherein is the L font is riveted with moving contact 6, armature 8 respectively on one side, its another side and yoke 10 riveted joints.This structure decrease the transition between the part connect, reduced rigging error, make electromagnetic mechanism and be connected framework of base formation, increased mechanical strength.
Wherein yoke 10 and moving contact output pin 3 adopts the good pure iron material of magnetic conductivity to make, and fixed contact output pin 4 adopts the good pure copper material of thermal conductivity to make.The large load current of existing relay is mainly by 10 heat radiations of inner yoke, and output pin 3,4 directly contacts with extraneous air, can make internal heat be delivered to the outside as early as possible and go, and this structure has solved heat dissipation problem simultaneously preferably.
Be the stereogram of existing relay for automobile input pin as shown in Figure 3.In conjunction with shown in Figure 1, its input pin 1 ' brace 1-2 ' at right angles be connected with pin 1-1 ', and be positioned at coil 15 ' the below, but the front end of brace 1-2 ' have two bifurcated-resistor cartridge 1-2-1 ' setting-in resistance 13 that at right angles connect with it ', down-lead bracket 1-2-2 ' can weld coil 15 ' lead-out wire.There is following problem in this structure: the one, resistance 13 ' assembly space very little, operating difficulties; The 2nd, lead-out wire be welded to input pin 1 ' on be to connect last procedure that the base assembling is finished, middle input pin in addition, the operations such as riveted joint of output pin, fixed contact, like this with regard to cause easily coil 15 ' coiling loose, resistance value can not be measured immediately; The 3rd, coil 15 ' the system of twining and the welding of its lead-out wire can not on same production line, finish.
As shown in Figure 4, be the stereogram of input pin 1 of the present invention, constitute by pin 1-1 and brace 1-2; The recess 1-1-1 of pin 1-1 upper outside is setting-in resistance 13 easily, one side 1-2-1 that is the brace 1-2 of L font can rivet with pin 1-1 upper end 1-1-2, its another side 1-2-2 horizontal needing 1-2-3 on one side can embed the top of skeleton 11, and another other horizontal branch 14-2-4 can weld the lead-out wire of coil 15.Compare with Fig. 3, it is simple many that its part shape is wanted.
As Fig. 4 in conjunction with shown in Figure 2, two input pin structures are identical, its brace 1-2 is positioned at the outer side of coil 15, assembly space is bigger, setting-in resistance 13 on the recess 1-1-1 and on brace 1-2 the lead-out wire of molten bonding wire circle 15 very convenient, and after coil 15 system of twining is finished, just can carry out molten weldering at once, avoided the trouble of inter process in semi-finished product transportation that brings too much and production management between system of twining and the molten weldering.Thereby the problems that existing miniature normally opened relay exists have been solved.
Claims (2)
1. normally opened relay comprises: electromagnetic mechanism, Connection Block and shell (16), wherein:
Electromagnetic mechanism by: moving contact (6), armature (8), reed (9), yoke (10), skeleton (11), iron core (12), coil (15) are formed;
Connection Block by: first input pin (1) that the structure of described coil (15) is identical and second input pin, moving contact output pin (3), fixed contact output pin (4), fixed contact (5), margining tablet (7), resistance (13) and base (14) are formed;
It is characterized in that: first input pin (1) is made of first pin (1-1) and first brace (1-2); The recess (1-1-1) of first pin (1-1) upper outside but the described resistance of setting-in (13); One side (1-2-1) and first pin (1-1) upper end (1-1-2) riveted joint of being first brace (1-2) of L font, its another side (1-2-2) horizontal needing (1-2-3) on one side embeds the top of described skeleton (11), and another other horizontal branch (1-2-4) can weld the lead-out wire of described coil (15); Wherein yoke (10) fuses with moving contact output pin (3); The reed (9) that wherein is the L font is riveted its another side and yoke (10) riveted joint on one side respectively with moving contact (6), armature (8).
2. normally opened relay according to claim 1 is characterized in that: described yoke (10) and moving contact output pin (3) employing magnetic conductivity pure iron material are preferably made, and fixed contact output pin (4) adopts the good pure copper material of thermal conductivity to make.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910046338XA CN101488418B (en) | 2009-02-19 | 2009-02-19 | Normally opened relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200910046338XA CN101488418B (en) | 2009-02-19 | 2009-02-19 | Normally opened relay |
Publications (2)
Publication Number | Publication Date |
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CN101488418A CN101488418A (en) | 2009-07-22 |
CN101488418B true CN101488418B (en) | 2011-07-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN200910046338XA Expired - Fee Related CN101488418B (en) | 2009-02-19 | 2009-02-19 | Normally opened relay |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114654199A (en) * | 2022-03-24 | 2022-06-24 | 上海沪工汽车电器有限公司 | Novel full-automatic pressure equipment of relay restriction piece device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827232A (en) * | 1986-09-06 | 1989-05-02 | Alcatel N.V. | Relay, particularly miniature relay |
CN101320656A (en) * | 2008-04-17 | 2008-12-10 | 上海沪工汽车电器有限公司 | Normally opening relay for automobile |
-
2009
- 2009-02-19 CN CN200910046338XA patent/CN101488418B/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827232A (en) * | 1986-09-06 | 1989-05-02 | Alcatel N.V. | Relay, particularly miniature relay |
CN101320656A (en) * | 2008-04-17 | 2008-12-10 | 上海沪工汽车电器有限公司 | Normally opening relay for automobile |
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CN101488418A (en) | 2009-07-22 |
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Granted publication date: 20110713 Termination date: 20190219 |