CN101950711A - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
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- CN101950711A CN101950711A CN 201010516912 CN201010516912A CN101950711A CN 101950711 A CN101950711 A CN 101950711A CN 201010516912 CN201010516912 CN 201010516912 CN 201010516912 A CN201010516912 A CN 201010516912A CN 101950711 A CN101950711 A CN 101950711A
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Abstract
The invention discloses an electromagnetic relay which comprises a magnetic circuit part, a moving spring armature component and a base part, wherein, the magnetic circuit part comprises a coil former and two terminal pins; the base part mainly comprises a base, a shunt resistor and two coil leading-out pins distributed according to the international standard pin position; the two coil leading-out pins have identical shape and structure and are provided with extension parts, and the extension parts are provided with blocking grooves with downward openings and vertical upward posts formed in a blanking manner; leads on two ends of the resistor are embedded into the two blocking grooves respectively; blanking surfaces of the vertical upward posts of the two coil leading-out pins are attached or close to the two terminal pins of the magnetic circuit part respectively and connected together by a spot welding mode; and the base is equipped with rib strips which can be matched with the blocking grooves of the coil leading-out pins. The electromagnetic relay has the advantages of simple structure, easy assembly, reduced material cost and assembly labor hours and improved product reliability on the basis of meeting the requirements of the international standard for the pin position of a relay.
Description
Technical field
The present invention relates to a kind of electromagnetic relay, particularly relate to a kind of AUTOMOTIVE RELAY that international standard pin position requires that meets.
Background technology
Existing AUTOMOTIVE RELAY is generally clapper-type electromagnetic relay, and this clapper-type electromagnetic relay has generally comprised magnetic circuit part, moving spring armature component and base portion.Magnetic circuit partly mainly includes bobbin, yoke, iron core, enamelled wire and terminal pin, and wherein, terminal pin is contained on the bobbin, and enamelled wire then is to be wrapped on the bobbin and to constitute coil, and two terminations of enamelled wire then are separately fixed on two terminal pins.Moving spring armature component mainly includes movable contact spring and armature, and normally movable contact spring and armature fix, and like this, will drive the movable contact spring action when armature movement.Base portion then mainly includes base, load leading foot and coil leading foot, and base is a carrier, and load leading foot, coil leading foot and magnetic circuit part are contained on the base respectively.Existing this clapper-type electromagnetic relay, its magnetic circuit part and coil leading foot all are to adopt inserted mode to be fixed on the base usually, and when magnetic circuit is partly packed base portion into, the two ends lead-in wire of the enamelled wire on the magnetic circuit part need be connected with the coil leading foot of base portion, to realize that enamelled wire is connected with the electric conductor of coil leading foot, like this, when using relay, just can the coil that electricity is directed to relay promptly be wrapped in the enamelled wire of bobbin by the coil leading foot, make coil electricity, allow electromagnetic relay work.The coil leading foot of existing this plug-in type AUTOMOTIVE RELAY is because of the relation (promptly meeting international standard pin position) that needs according to the ISO standard, its pin position all is to have determined well, and in design coil leading foot, also need consider the connected mode of itself and parallel resistance and coil exit, so the shape more complicated of design mostly; We can say that the part expanded view of the coil leading foot of most of product all is similar to " 7 " font, and the shape of two coil leading foots, structure are scarcely identical, this shape reduces the metal material utilance, and cost of parts increases.On the other hand, existing this clapper-type electromagnetic relay, the connected mode of its coil leading foot and parallel resistance generally adopts soldering, spot welding or three kinds of modes such as clamps, and, use many modes as spot welding or clamp these two kinds; Wherein adopt when clamping mode, the draw-in groove opening direction that being used for of designing on the coil leading foot clamps parallel resistance generally is up, and this draw-in groove structure is after product falls, parallel resistance may come off from the draw-in groove of coil leading foot, and product reliability is reduced.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of electromagnetic relay is provided, by architecture advances to the coil leading foot of electromagnetic relay, and to the improvement of the peripheral structure that is connected with the coil leading foot, this electromagnetic relay can satisfied on the basis that international standard requires relay pin position, reach simple in structure, when being easy to assemble, save material cost and assembler and the characteristic that improves product reliability.
The technical solution adopted for the present invention to solve the technical problems is: a kind of electromagnetic relay comprises magnetic circuit part, moving spring armature component and base portion; This magnetic circuit partly includes bobbin, yoke, iron core, enamelled wire and two terminal pins, is provided with the kinking portion that is used for twining the enamelled wire termination on terminal pin; This base portion mainly includes base, parallel resistance and two coil leading foots, wherein, two coil leading foots are to be installed on the base according to meeting the position that in the world relay standard pin position is required, then be provided with two on the base and meet first slot that in the world relay standard pin position is required the position, two coil leading foots are plugged on respectively in first slot of base correspondence; It is characterized in that: shape, the structure of these two coil leading foots are identical, the top of coil leading foot is provided with extension along side direction, be provided with the vertical pillar up that downward opening draw-in groove and stamping-out mode form in this extension, the lead at parallel resistance two ends is embedded in respectively in the draw-in groove of two coil leading foots, vertically up the stamping-out face of pillar of two coil leading foots recline mutually with two terminal pins of magnetic circuit part respectively or near and be connected by the spot welding mode.
On the described base,, also be provided with the rib that can match with the draw-in groove of coil leading foot in position corresponding to the first slot periphery; The described lead that has embedded the parallel resistance in the coil leading foot draw-in groove passes through this rib and the depths of jacking coil leading foot draw-in groove.
Match for interference between the draw-in groove of described coil leading foot and the lead of parallel resistance.
The notch flare shape of the draw-in groove of described coil leading foot.
Described terminal pin is conductive metal rod, on bobbin, be provided with through hole vertically downward, this metal rod is inserted in this through hole with interference fit, this metal rod of upside at through hole bends and the formation weld part, constitute described kinking portion in this metal rod bending of the downside of through hole, vertically up the stamping-out face of pillar of the weld part of this terminal pin and coil leading foot reclines mutually or is close and be connected by the spot welding mode.
Be provided with also between described magnetic circuit part and the base that mutual location structure can recline respectively with vertically up the stamping-out face of pillar of two coil leading foots mutually with two terminal pins of this magnetic circuit part after partly packing base at magnetic circuit or close.
Mutual location structure between described magnetic circuit part and the base, be on yoke, to be provided with along vertical at least one downward first plug, then be provided with at least one second slot of the relative position that can make magnetic circuit partly fit in two coil leading foots on base, described magnetic circuit part is positioned on the described base by second slot that first plug inserts the correspondence of base.
Described first plug also be provided with the groove that is used for being resisted against second slot along last to realize both first limited step installed of level and first projection of at least one barb type relatively, be convenient to first guiding surface that first plug inserts at the groove of second slot along being provided with; When first plug inserted second slot, first limited step of this first plug was resisted against the groove of second slot along last; Described magnetic circuit part is fixed on the base by first protruding the matching with the interference of second slot of first plug.
A kind of electromagnetic relay of the present invention, be that two coil leading foots are designed to identical shape and structure, and on the coil leading foot, be provided with the vertical pillar up that downward opening draw-in groove and stamping-out mode form, draw-in groove is used for setting parallel resistance, and the stamping-out face of pillar is used for being connected with the terminal pin of magnetic circuit part.During assembling, earlier the coil leading foot is oppositely fixed up and on frock, be the horn mouth place that the exit of resistance is put into draw-in groove then with the two ends conductor part of parallel resistance, then again the coil leading foot is inserted in and carries out plug-in mounting in the base, be about to the coil leading foot and be inserted in first slot of base.In the plug-in mounting process, resistance two exits rely on the convex tendon on the base correspondence position that it is pushed in the draw-in groove of coil leading foot simultaneously, utilize the diameter dimension of the width dimensions of coil leading foot draw-in groove and parallel resistance exit to be the feature of interference fit, make the conductor part at resistance two ends set and be fixed in the draw-in groove of coil leading foot, realized that promptly this parallel resistance is the two ends that are connected in parallel on coil.Then, magnetic circuit partly to be packed in the base, during dress magnetic circuit part, be first plug that utilizes magnetic circuit part with base on the matching of second slot, make magnetic circuit partly be installed on the base, by design in advance to first plug and second slot position, can be after magnetic circuit partly installs to base, allow the terminal pin of magnetic circuit part match with the stamping-out face of the vertical pillar up that is installed in the coil leading foot on the base, the weld part that is the terminal pin of magnetic circuit part is just fallen the pillar next door of stretching out on the coil leading foot, the weld part of more definite terminal pin of saying so is just fallen on the stamping-out point face of weld on the coil leading foot, so that the weld part of terminal pin and the stamping-out face of coil leading foot are carried out spot welding.The terminal pin of magnetic circuit part is conductive metal rod, this metal rod is inserted the through hole of bobbin correspondence, simultaneously bending is distinguished at the two ends of metal rod, the first half bending of metal rod is as weld part, be convenient to spot welding, the Lower Half bending of metal rod then is used for being connected with the termination of enamelled wire as kinking portion, makes electric current make coil electricity by the terminal pin of coil leading foot and magnetic circuit part.
The invention has the beneficial effects as follows, owing to adopted two coil leading foots are designed to structure identical shaped, structure, and the coil leading foot top be provided with extension along side direction, be provided with the vertical pillar up that downward opening draw-in groove and stamping-out mode form in this extension, the lead at parallel resistance two ends is embedded in respectively in the draw-in groove of two coil leading foots, vertically up the stamping-out face of pillar of two coil leading foots recline mutually with two terminal pins of magnetic circuit part respectively or near and be connected by the spot welding mode; Simultaneously, on base, in position corresponding to the first slot periphery, also be provided with the rib that can match with the draw-in groove of coil leading foot, the described lead that has embedded the parallel resistance in the coil leading foot draw-in groove passes through this rib and the depths of jacking coil leading foot draw-in groove.Compared with prior art, the present invention has following beneficial effect: the one,, the coil leading foot is simple in structure, and the below of its bending one side is a draw-in groove, is used for assembling with the parallel resistance exit; The top is the pillar straight up that the stamping-out mode forms, and is used for carrying out the weldering of stamping-out millet cake with the terminal pin of magnetic circuit part, and two coil leading foot shapes are in full accord, can save cost of parts and die cost; The 2nd,, the terminal pin of magnetic circuit part adopts the mode of spot welding on the stamping-out face to be connected with the coil leading foot, can improve the reliability of spot welding; The 3rd,, the draw-in groove that is used for connecting resistance in the coil leading foot is designed to opening down, and draw-in groove opening size and parallel resistance diameter are interference fit, on base, be provided with simultaneously and can make product fall back parallel resistance difficult drop-off the rib of the draw-in groove depths of the lead jacking coil leading foot of parallel resistance; The 4th,, this structure is easy to assembling, and when saving material cost and assembler, uses conventional equipment to put into production.
Below in conjunction with drawings and Examples the present invention is described in further detail; But a kind of electromagnetic relay of the present invention is not limited to embodiment.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of base portion of the present invention;
Fig. 3 be coil leading foot of the present invention structural representation;
Fig. 4 is the assembling schematic diagram of base portion of the present invention;
Fig. 5 is the structure cutaway view of base portion of the present invention;
Fig. 6 is the A portion enlarged diagram among Fig. 5;
Fig. 7 is the structural representation of magnetic circuit part of the present invention.
Embodiment
Embodiment, shown in accompanying drawing, a kind of electromagnetic relay of the present invention comprises magnetic circuit part, moving spring armature component and base portion; This magnetic circuit partly includes bobbin 11, yoke 12, iron core, enamelled wire 14 and two terminal pins 15, wherein, yoke 12, iron core and two terminal pins 15 are contained in respectively on the bobbin 11,14 in enamelled wire is wrapped on the bobbin 11, and two terminations of enamelled wire 14 are separately fixed on two terminal pins 15, then are provided with the kinking portion 151 that is used for twining the enamelled wire termination on terminal pin 15; This moving spring armature component includes movable contact spring 21 and armature 22; This base portion mainly includes base 3, parallel resistance 4, normally closed quiet spring part 6, often opens quiet spring part 7 and two coil leading foots 5, wherein, two coil leading foots 5 are to be installed on the base 3 according to meeting the position that in the world relay standard pin position is required, then being provided with two on the base 3 meets in the world and requires 31, two coil leading foots 5 of first slot of position to be plugged on respectively in first slot 31 of base correspondence to relay standard pin position; Shape, the structure of these two coil leading foots 5 are identical, the top of coil leading foot 5 is provided with extension 51 along side direction, be provided with the vertical pillar 53 up that downward opening draw-in groove 52 and stamping-out mode form in this extension, the lead 41 at parallel resistance 4 two ends is embedded in respectively in the draw-in groove 52 of two coil leading foots, vertically up the stamping-out face of pillar 53 of two coil leading foots recline mutually with two terminal pins 15 of magnetic circuit part respectively or near and be connected by the spot welding mode.Because coil leading foot 5 generally is made by conductive metallic plate, therefore, when making vertically pillar 53 up, can adopt the stamping-out mode that plate shape shape both sides stamping-out is fallen two breach just can form, therefore for pillar 53, its perisporium has four faces, just have two relative stamping-out faces, two other relative face is the plate face of plate shape shape, the plate face of pillar 53 is smooth relatively, the stamping-out face of pillar 53 is coarse relatively, utilizes the stamping-out face of coarse relatively pillar 53 to be connected by the spot welding mode with terminal pin 15, can improve the reliability of spot welding.
On the described base 3,, also be provided with the rib 33 that can match with the draw-in groove 52 of coil leading foot in position corresponding to first slot, 31 peripheries; The described lead 41 that has embedded the parallel resistance 4 in the coil leading foot draw-in groove passes through this rib 33 and the depths of jacking coil leading foot draw-in groove 52.
For interference matches, promptly the width dimensions of the draw-in groove 52 of coil leading foot adopts interference to match with the diameter of the lead 41 of parallel resistance 4 between the draw-in groove 52 of described coil leading foot and the lead 41 of parallel resistance 4.
The notch flare shape of the draw-in groove 52 of described coil leading foot, like this, the lead 41 of being convenient to parallel resistance 4 is put into.
Because draw-in groove 52 is designed to opening down, and draw-in groove 52 opening sizes and parallel resistance 4 diameters are interference fit, on base, be provided with simultaneously and can make product fall back parallel resistance 4 difficult drop-offs the rib 33 of the draw-in groove depths of the lead jacking coil leading foot of parallel resistance.
Described terminal pin 15 is conductive metal rod, on bobbin 11, be provided with through hole vertically downward, this metal rod is inserted in this through hole with interference fit, 90 ° (present embodiment is 90 ° of bendings in this metal rod bending of the upside of through hole, but, also can be other angle, as long as bending is arranged) formation weld part 152, be that weld part 152 is parastate with base 3, (present embodiment is 90 ° of bendings also to bend 90 ° at this metal rod of downside of through hole, but, also can be other angle, as long as bending is arranged) constitute described kinking portion 151, vertically up the stamping-out face of pillar 53 of the weld part 152 of this terminal pin and coil leading foot reclines mutually or is close and be connected by the spot welding mode.
Be provided with also between described magnetic circuit part and the base that mutual location structure can recline respectively with vertically up the pillar 53 of two coil leading foots mutually with two terminal pins 15 of this magnetic circuit part after partly packing base at magnetic circuit or close.
Mutual location structure between described magnetic circuit part and the base, be on yoke 12, to be provided with along vertical at least one downward first plug 121, then be provided with at least one second slot 32 of the relative position that can make magnetic circuit partly fit in two coil leading foots 5 on base 3, described magnetic circuit part is positioned on the described base 3 by second slot 32 that first plug 121 inserts the correspondence of base.
Described first plug 121 also be provided with the groove that is used for being resisted against second slot along last to realize both first limited step 122 installed of level and first projection 123 of at least one barb type relatively, be convenient to first guiding surface 321 that first plug inserts at the groove of second slot along being provided with; When first plug 121 inserted second slot 32, first limited step 122 of this first plug was resisted against the groove of second slot 32 along last; First projection 123 of described magnetic circuit part by first plug matches with the interference of second slot 32 and is fixed on the base 3.
A kind of electromagnetic relay of the present invention, be that two coil leading foots 5 are designed to identical shape and structure, and on coil leading foot 5, be provided with the vertical pillar 53 up that downward opening draw-in groove 52 and stamping-out mode form, draw-in groove 52 is used for setting parallel resistance 4, and the stamping-out face of pillar 53 is used for being connected with the terminal pin 15 of magnetic circuit part.During assembling, earlier with coil leading foot 5 opening of draw-in groove (make up) and on frock, fix oppositely up, be the horn mouth place that the exit of resistance is put into draw-in groove 52 then with the two ends conductor part 41 of parallel resistance 4, then again coil leading foot 5 is inserted in and carries out plug-in mounting in the base 1, be about to coil leading foot 5 and be inserted in first slot 31 of base.In the plug-in mounting process, it is that rib 33 pushes into it in draw-in groove 52 of coil leading foot simultaneously that resistance two exits 41 rely on the convex tendon on the base correspondence position, utilize the diameter dimension of the width dimensions of coil leading foot draw-in groove 52 and parallel resistance exit 41 to be the feature of interference fit, make the conductor part 41 at resistance two ends set and be fixed in the draw-in groove 52 of coil leading foot, realized that promptly this parallel resistance 4 is the two ends that are connected in parallel on coil.Then, magnetic circuit partly to be packed in the base 3, during dress magnetic circuit part, be first plug 121 that utilizes magnetic circuit part with base on the matching of second slot 32, make magnetic circuit partly be installed on the base 1, by design in advance to first plug 121 and second slot, 32 positions, can be after magnetic circuit partly installs to base 3, allow the terminal pin 15 of magnetic circuit part match with the stamping-out face of the vertical pillar 53 up that is installed in the coil leading foot 5 on the base, the weld part 152 that is the terminal pin of magnetic circuit part is just fallen pillar 53 next doors of stretching out on the coil leading foot 5, the weld part 152 of more definite terminal pin of saying so is just fallen on the stamping-out point face of weld on the coil leading foot, so that the weld part 152 of terminal pin 15 and the stamping-out face of coil leading foot 5 are carried out spot welding, the terminal pin 15 of magnetic circuit part is conductive metal rod, this metal rod is inserted the through hole of bobbin 11 correspondences, simultaneously bending is distinguished at the two ends of metal rod, the first half of metal rod is bent into 90 ° as weld part 152, be convenient to spot welding, the Lower Half of metal rod is used for being connected with the termination of enamelled wire 14 as kinking portion 151, makes electric current make coil electricity by the terminal pin 15 of coil leading foot 5 and magnetic circuit part.
The foregoing description only is used for further specifying a kind of electromagnetic relay 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 (8)
1. an electromagnetic relay comprises magnetic circuit part, moving spring armature component and base portion; This magnetic circuit partly includes bobbin, yoke, iron core, enamelled wire and two terminal pins, is provided with the kinking portion that is used for twining the enamelled wire termination on terminal pin; This base portion mainly includes base, parallel resistance and two coil leading foots, wherein, two coil leading foots are to be installed on the base according to meeting the position that in the world relay standard pin position is required, then be provided with two on the base and meet first slot that in the world relay standard pin position is required the position, two coil leading foots are plugged on respectively in first slot of base correspondence; It is characterized in that: shape, the structure of these two coil leading foots are identical, the top of coil leading foot is provided with extension along side direction, be provided with the vertical pillar up that downward opening draw-in groove and stamping-out mode form in this extension, the lead at parallel resistance two ends is embedded in respectively in the draw-in groove of two coil leading foots, vertically up the stamping-out face of pillar of two coil leading foots recline mutually with two terminal pins of magnetic circuit part respectively or near and be connected by the spot welding mode.
2. electromagnetic relay according to claim 1 is characterized in that: on the described base, in the position corresponding to the first slot periphery, also be provided with the rib that can match with the draw-in groove of coil leading foot; The described lead that has embedded the parallel resistance in the coil leading foot draw-in groove passes through this rib and the depths of jacking coil leading foot draw-in groove.
3. electromagnetic relay according to claim 1 and 2 is characterized in that: match for interference between the draw-in groove of described coil leading foot and the lead of parallel resistance.
4. electromagnetic relay according to claim 3 is characterized in that: the notch flare shape of the draw-in groove of described coil leading foot.
5. electromagnetic relay according to claim 1, it is characterized in that: described terminal pin is conductive metal rod, on bobbin, be provided with through hole vertically downward, this metal rod is inserted in this through hole with interference fit, this metal rod of upside at through hole bends and the formation weld part, constitute described kinking portion in this metal rod bending of the downside of through hole, vertically up the stamping-out face of pillar of the weld part of this terminal pin and coil leading foot reclines mutually or is close and be connected by the spot welding mode.
6. electromagnetic relay according to claim 1 is characterized in that: be provided with also between described magnetic circuit part and the base that mutual location structure can recline respectively with vertically up the stamping-out face of pillar of two coil leading foots mutually with two terminal pins of this magnetic circuit part after partly packing base at magnetic circuit or close.
7. electromagnetic relay according to claim 6, it is characterized in that: the mutual location structure between described magnetic circuit part and the base, be on yoke, to be provided with along vertical at least one downward first plug, then be provided with at least one second slot of the relative position that can make magnetic circuit partly fit in two coil leading foots on base, described magnetic circuit part is positioned on the described base by second slot that first plug inserts the correspondence of base.
8. electromagnetic relay according to claim 7, it is characterized in that: described first plug also be provided with the groove that is used for being resisted against second slot along last to realize both first limited step installed of level and first projection of at least one barb type relatively, be convenient to first guiding surface that first plug inserts at the groove of second slot along being provided with; When first plug inserted second slot, first limited step of this first plug was resisted against the groove of second slot along last; Described magnetic circuit part is fixed on the base by first protruding the matching with the interference of second slot of first plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010516912 CN101950711B (en) | 2010-10-22 | 2010-10-22 | Electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010516912 CN101950711B (en) | 2010-10-22 | 2010-10-22 | Electromagnetic relay |
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| Publication Number | Publication Date |
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| CN101950711A true CN101950711A (en) | 2011-01-19 |
| CN101950711B CN101950711B (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010516912 Active CN101950711B (en) | 2010-10-22 | 2010-10-22 | Electromagnetic relay |
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| CN (1) | CN101950711B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856119A (en) * | 2012-07-24 | 2013-01-02 | 厦门宏发汽车电子有限公司 | Minitype heavy-current PCB (Printed Circuit Board) automobile relay |
| CN107680879A (en) * | 2017-10-11 | 2018-02-09 | 三友联众集团股份有限公司 | A kind of magnet coil Improvement type relay |
| CN110459438A (en) * | 2019-04-25 | 2019-11-15 | 厦门宏发汽车电子有限公司 | A kind of relay coil component |
| CN110580996A (en) * | 2018-06-11 | 2019-12-17 | 浙江三花智能控制股份有限公司 | Electromagnetic coil |
| CN111081500A (en) * | 2019-12-31 | 2020-04-28 | 厦门宏发电力电器有限公司 | Clapper type electromagnetic relay with auxiliary contact |
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| US5291166A (en) * | 1991-12-16 | 1994-03-01 | Jidosha Denki Kogyo Kabushiki Kaisha | Electromagnetic relay with resistor and method for manufacturing the same |
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| EP0907198A2 (en) * | 1997-10-02 | 1999-04-07 | Siemens Electromechanical Components, Inc. | Structure and method for connection of an electrical component to an electromagnetic relay |
| CN201345329Y (en) * | 2009-01-12 | 2009-11-11 | 周立强 | Replay assembled conveniently |
| CN201812754U (en) * | 2010-10-22 | 2011-04-27 | 厦门宏发电声股份有限公司 | Electromagnetic relay |
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| US4701721A (en) * | 1986-09-11 | 1987-10-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Core formed of hard and soft magnetic materials for an electrical relay apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102856119A (en) * | 2012-07-24 | 2013-01-02 | 厦门宏发汽车电子有限公司 | Minitype heavy-current PCB (Printed Circuit Board) automobile relay |
| CN102856119B (en) * | 2012-07-24 | 2015-04-29 | 厦门宏发汽车电子有限公司 | Minitype heavy-current PCB (Printed Circuit Board) automobile relay |
| CN107680879A (en) * | 2017-10-11 | 2018-02-09 | 三友联众集团股份有限公司 | A kind of magnet coil Improvement type relay |
| CN110580996A (en) * | 2018-06-11 | 2019-12-17 | 浙江三花智能控制股份有限公司 | Electromagnetic coil |
| CN110459438A (en) * | 2019-04-25 | 2019-11-15 | 厦门宏发汽车电子有限公司 | A kind of relay coil component |
| CN110459438B (en) * | 2019-04-25 | 2024-08-27 | 厦门宏发汽车电子有限公司 | Relay coil assembly |
| CN111081500A (en) * | 2019-12-31 | 2020-04-28 | 厦门宏发电力电器有限公司 | Clapper type electromagnetic relay with auxiliary contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101950711B (en) | 2013-03-20 |
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