CN103794412A - Electromagnetic relay and manufacturing method thereof - Google Patents
Electromagnetic relay and manufacturing method thereof Download PDFInfo
- Publication number
- CN103794412A CN103794412A CN201410045834.4A CN201410045834A CN103794412A CN 103794412 A CN103794412 A CN 103794412A CN 201410045834 A CN201410045834 A CN 201410045834A CN 103794412 A CN103794412 A CN 103794412A
- Authority
- CN
- China
- Prior art keywords
- iron core
- frustum
- yoke
- electromagnetic relay
- stroke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention relates to an electromagnetic relay and a manufacturing method of the electromagnetic relay, and belongs to the technical field of electromagnetic relays. The electromagnetic relay comprises a bottom board (1), a reed (2), a stationary contact (6), a coil (8), an armature (10) and a movable contact (11), and is characterized by further comprising a yoke and an iron core, the tail end of the iron core is provided with a frustum; the frustum and the iron core are integrated; the yoke is provided with a riveting hole corresponding to the frustum in shape; the frustum and the riveting hole are in interference fit; the iron core is connected with the yoke through the frustum in a riveting mode. Forceful support is provided for automatic assembly of the electromagnetic relay, the consistency of over travels of all relays is ensured fundamentally, the needed operation step of manually correcting the over travels after the assembly is omitted, the production efficiency is improved greatly, the production quality of the electromagnetic relay is improved, only the total over travel needs to be set and controlled, and an over travel D and a riveting over travel C do not need to be respectively determined and controlled.
Description
Technical field
The present invention relates to a kind of electromagnetic relay and manufacture method thereof, belong to electromagnetic relay technical field.
Background technology
Electromagnetic relay is a kind of electronic control device, is conventionally applied in automatic control circuit, and it is actually the one " automatic switch " of removing to control larger electric current, higher voltage with less electric current, lower voltage.Therefore play the effects such as automatic adjusting, safeguard protection, change-over circuit in circuit.
The structure of relay as Figure 1-3, rivet with armature 10, yoke 9 by reed 2; Iron core 5 is riveted with yoke 9; Moving contact 11 is riveted with reed 2; Fixed contact 6 is riveted with lead-out wire 7.Armature 10, yoke 9, iron core 5 are permeability magnetic material.Reed 2 is elastic copper alloy material.
Referring to Fig. 4-5, when after coil electricity, coil produces magnetic field magnetic force, under this magneticaction, armature clockwise rotates as the center of circle take fulcrum A, and is with movable contact spring, moving contact synchronously to rotate, until armature and the laminating of iron core end face, now, armature, yoke, iron core form a closed magnetic circuit, and moving contact contacts with fixed contact, and electric current (voltage) signal carrying on reed flows to other path via the conducting of moving contact, fixed contact, now, relay is in running order.When after coil blackout, coil magnetic field (magnetic force) disappears, reed is under himself elastic reaction, band moving armature rotates counterclockwise as the center of circle take fulcrum A, until moving contact top contacts with margining tablet 3, now, moving contact separates with fixed contact, electric current (voltage) signal disconnects, and now, relay is in off state.
Referring to Fig. 6-7, below the concept of relay " excess of stroke " is introduced: as described above, when after relay coil energising, armature band movable contact spring, moving contact clockwise rotate, when moving contact and fixed contact Contact, the distance between armature and iron core end face is referred to as " excess of stroke " (take core center line as benchmark).Object: when dynamic and static contact is during at switch current (voltage) signal, between dynamic and static contact, can produce mechanical wear, and the excess of stroke is to guarantee that dynamic and static contact has certain wear extent in design, and the reliable switching of assurance electric current (voltage) signal.The excess of stroke of relay is very important parameter for relay, and in batch production, the consistency of guaranteeing the excess of stroke of all relays is the critical factor that guarantees relay quality.
Referring to Fig. 8, in the design of relay, " excess of stroke " is generally made up of two parts: take yoke end face as datum line, divide two parts by the excess of stroke of relay: the design excess of stroke for relay of ABL, is designated D; Below datum line is the riveted joint excess of stroke of relay iron, is designated C, highly obtains riveted joint excess of stroke C by controlling the riveted joint of iron core and yoke.
Referring to Fig. 9-14, in prior art, realize by following assembling process for the control of riveted joint excess of stroke C:
1. iron core is through skeleton; Iron core afterbody frustum is through yoke riveted holes; With punch press by the riveted joint of iron core afterbody frustum and yoke; Set riveted joint height by punch press, guarantee that iron core end face and the yoke/armature hinge face after riveted joint has certain " pre-riveting difference in height C ", as shown in Figure 9;
2. the yoke component after riveting is encased in bottom deck assembly, as shown in figure 10;
3. armature component is encased in yoke component wherein, reed and yoke riveted joint.So far, Product Assembly completes, as shown in figure 11;
4. see Figure 12-14, the excess of stroke=C+D, can find out, the assembling of prior art, due to following factor, guarantees that the excess of stroke of relay is very difficult:
A: the height that yoke and armature are hinged has certain tolerance;
B: when punch press riveting iron core, setting height has certain tolerance, and iron core is syllogic, riveted joint difficulty, iron core are stressed larger, yielding;
C: after fixed contact assembling, its position height has certain tolerance;
D: armature, reed, moving contact three rivet the certain tolerance of rear phase mutual;
Above-mentioned four cause after relay assembling, and its excess of stroke consistency is poor, and therefore, traditional relay is after assembling, and the excess of stroke needs artificial its consistency of guarantee of correcting.
Summary of the invention
The technical issues that need to address of the present invention are: existing electromagnetic relay, in manufacture process, by control riveted joint excess of stroke C that the riveted joint of iron core and yoke highly obtains due to: the height that yoke and armature are hinged has certain tolerance; When punch press riveting iron core, setting height has certain tolerance, and iron core is syllogic, and riveted joint difficulty, iron core are stressed larger, yielding; After fixed contact assembling, its position height has certain tolerance; Armature, reed, moving contact three rivet the certain tolerance of rear phase mutual; So excess of stroke consistency is poor, therefore, traditional relay is after assembling, and the excess of stroke needs its consistency of manual synchronizing guarantee.
The present invention takes following technical scheme:
A kind of electromagnetic relay, comprise base plate 1, reed 2, fixed contact 6, coil 8, armature 10, moving contact 11, also comprises yoke, iron core, the tail end of described iron core has the frustum that is one with iron core, offers the riveted holes corresponding with described frustum shape on described yoke, and described iron core is by described frustum and yoke riveted joint.
Further, described frustum is the frustum of a cone.
Further, the tapering of the described frustum of a cone is 2 °-4 °.
A manufacture method for above-mentioned electromagnetic relay, comprises the following steps:
1) riveted joint in advance: the frustum of iron core tail end is pressed in riveted holes corresponding on yoke, and iron core end face 5a stops being pressed into when concordant with yoke end face 9a, iron core and described riveted holes interference assembling;
2) press down power source band dynamic head 12 and press down, on described pressure head 12, displacement transducer is set, pressure head 12 moves down also actuating spring 2, armature 10, moving contact 11 synchronizing movings;
3) when moving contact 11 and fixed contact 6 Contacts, displacement transducer starts to measure overrun distance;
4) pressure head continues to move down, until armature 10 during with iron core end contact, records design excess of stroke D;
5) pressure head continues to move down, and when displacement is riveted joint excess of stroke C, when C+D equals the relay design excess of stroke, pressure head stops pressing down movement;
6) in the punching press power source of the iron core other end, the frustum stretching out outside yoke is riveted on yoke.
Feature of the present invention is: the hypomere of iron core is designed to taper type, the riveted holes of yoke in contrast should, tapering is less, described frustum and described yoke riveted holes are interference fit, frustum inserts riveted holes can be according to the variation of downforce, progressively press down, make whole depression distance become a stepping process.And iron core adopts syllogic in prior art, iron core tail end is step, and compressing power can only press down and put in place according to setpoint distance one step.The structure object that this taper type is set is in order to adopt the pressure head with displacement transducer, after moving contact contacts with fixed contact, displacement transducer just starts to measure overrun distance, because reed has certain elasticity, so pressure head can also continue to press down, force reed distortion, device just is set a total design excess of stroke, and when the C+D recording when displacement transducer equals the relay design excess of stroke, pressure head stops pressing down movement, thereby guarantee that electromagnetic relay is in manufacture process, the consistency of the excess of stroke.After completing without assembling, again the excess of stroke is adjusted, when assembling also without determining respectively and controlling design excess of stroke D and riveted joint excess of stroke C.
Beneficial effect of the present invention is:
1) for electromagnetic relay automation assembling provides strong support.
2) realize full-automatic production, and realized the automation control of the excess of stroke.
3) fundamentally guaranteed the consistency of all relay excess of stroke.
4) saved and also needed the operating procedure of manually excess of stroke being corrected after having assembled.
5) significantly improved production efficiency.
6) improved the quality of production of electromagnetic relay.
7) only need to set and control total excess of stroke, without determining respectively and control design excess of stroke D and riveted joint excess of stroke C.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram of electromagnetic relay.
Fig. 2 is the three-dimensional structure diagram of electromagnetic relay when armature and reed are not installed.
Fig. 3 is the profile of the electromagnetic relay of prior art.
Schematic diagram when Fig. 4 is electromagnetic relay coil power-off.
Schematic diagram when Fig. 5 is electromagnetic relay coil energising.
Fig. 6 is electromagnetic relay excess of stroke position view.
Fig. 7 is the enlarged drawing at B place in Fig. 6.
Fig. 8 has represented that the relay excess of stroke equals to design excess of stroke D+ riveted joint excess of stroke C.
Fig. 9 is the first step in the manufacture method of prior art electromagnetic relay, sets riveted joint height by punch press, the schematic diagram of reserved riveted joint excess of stroke C.
Figure 10 is the second step in the manufacture method of prior art electromagnetic relay, and the yoke component after riveted joint is encased in bottom deck assembly.
Figure 11 is the third step in the manufacture method of prior art electromagnetic relay, and armature component is encased in to yoke component, and wherein, reed and yoke riveted joint, complete Product Assembly.
Figure 12 is the schematic diagram corresponding with Figure 11, and circle position is to pay close attention to position.
Figure 13 is the enlarged drawing at circle position and position, excess of stroke place in Figure 12, and mark D represents that design is super
Journey.
Figure 14 is on the basis of Figure 13, has further indicated riveted joint excess of stroke C.
Figure 15 is the structural representation of prior art electromagnetic relay iron core and yoke.
Figure 16 is the structural representation of electromagnetic relay iron core of the present invention and yoke.
Figure 17 is in electromagnetic relay manufacture method of the present invention, rivets in advance the schematic diagram of step.
Figure 18 is in electromagnetic relay manufacture method of the present invention, armature component is encased in to the schematic diagram of step in yoke component.
Figure 19 is the pressure head of employing with displacement transducer presses down step schematic diagram to reed, armature, moving contact.
In figure, 1. base plate, 2. reed, 3. margining tablet, 4. skeleton, 5. iron core, 6. fixed contact, 7. lead-out wire, 8. coil, 9. yoke, 10 armature, 5a. iron core end face, 9a. yoke end face.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
Referring to Figure 15-16, clear electromagnetic relay of the present invention and the prior art difference part structurally that shown of two width figure.In order to guarantee the excess of stroke of relay, in full-automatic assembling, iron core and yoke structure are done to following improvement: iron core changes two-part into by syllogic; Iron core tail end has the tapering of 3 degree; Yoke riveted holes and iron core tail end are interference fit;
Referring to Figure 17, iron core is carried out to pre-riveting, concrete steps are as follows: iron core penetrates skeleton (coil); Punch press is pressed into the frustum of iron core tail end in the riveted holes of yoke; In the time that iron core end face 5a is concordant with yoke end face 9a, stop being pressed into; Now, the riveted holes of iron core and yoke is interference assembling.
Referring to Figure 18, armature component is encased in to yoke component, now assemble, iron core and yoke are still in pre-riveting status.
Referring to Figure 19, the relay excess of stroke is measured and the riveted joint of iron core tail end automatically, and detailed process is as follows:
Also can find out from accompanying drawing 19, two-part iron core after improvement, its tail end has certain taper, can coordinate automatic production line to measure the also excess of stroke of automatic control relay, guarantee the consistency of all relay excess of stroke, improve former syllogic iron core after assembling, its excess of stroke needs artificial defect of correcting, both meet the production requirement of full automatic line, significantly enhanced productivity, guaranteed again the better quality of relay.
From another angle, device just is set a total design excess of stroke, and when the C+D recording when displacement transducer equals the relay design excess of stroke, pressure head stops pressing down movement, thereby guarantees that electromagnetic relay is in manufacture process, the consistency of the excess of stroke.When assembling also without determining respectively and controlling design excess of stroke D and riveted joint excess of stroke C.
Claims (5)
1. an electromagnetic relay, comprises base plate (1), reed (2), and fixed contact (6), coil (8), armature (10), moving contact (11), is characterized in that:
Also comprise yoke, iron core, the tail end of described iron core has the frustum that is one with iron core, offers the riveted holes corresponding with described frustum shape on described yoke, described frustum and described riveted holes are designed to interference fit, and described iron core is by described frustum and yoke riveted joint.
2. electromagnetic relay as claimed in claim 1, is characterized in that: described frustum is the frustum of a cone.
3. electromagnetic relay as claimed in claim 2, is characterized in that: the tapering of the described frustum of a cone is 2 °-4 °.
4. electromagnetic relay as claimed in claim 3, is characterized in that: described frustum and described riveted holes are designed to interference fit.
5. a manufacture method for electromagnetic relay claimed in claim 1, is characterized in that, comprises the following steps:
1) riveted joint in advance: the frustum of iron core tail end is pressed in riveted holes corresponding on yoke, and iron core end face (5a) stops being pressed into when concordant with yoke end face (9a), iron core and described riveted holes interference assembling;
2) press down power source band dynamic head (12) and press down, described pressure head arranges displacement transducer on (12), and pressure head (12) moves down also actuating spring (2), armature (10), moving contact (11) synchronizing moving;
3) when moving contact (11) and fixed contact (6) Contact, displacement transducer starts to measure overrun distance;
4) pressure head continues to move down, until when armature (10) and iron core end contact, record design excess of stroke D;
5) pressure head continues to move down, and when displacement is riveted joint excess of stroke C, when C+D equals the relay design excess of stroke, pressure head stops pressing down movement;
6) in the punching press power source of the iron core other end, the frustum stretching out outside yoke is riveted on yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045834.4A CN103794412B (en) | 2014-02-08 | 2014-02-08 | A kind of electromagnetic relay and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410045834.4A CN103794412B (en) | 2014-02-08 | 2014-02-08 | A kind of electromagnetic relay and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103794412A true CN103794412A (en) | 2014-05-14 |
| CN103794412B CN103794412B (en) | 2016-01-20 |
Family
ID=50669973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410045834.4A Active CN103794412B (en) | 2014-02-08 | 2014-02-08 | A kind of electromagnetic relay and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103794412B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377081A (en) * | 2014-11-17 | 2015-02-25 | 芜湖德威汽车电机有限公司 | Riveting device for switch shell and coil assembly of automobile starter electromagnetic switch |
| CN104392863A (en) * | 2014-11-17 | 2015-03-04 | 芜湖德威汽车电机有限公司 | Assembly process of electromagnetic switch of automobile starter |
| CN105845506A (en) * | 2016-05-25 | 2016-08-10 | 苏州博众精工科技有限公司 | Over-travel parameter setting apparatus of relay |
| CN110084847A (en) * | 2018-01-22 | 2019-08-02 | 浙江大学 | Relay measuring device and its image processing method |
| CN112201538A (en) * | 2019-07-08 | 2021-01-08 | G.卡梯埃技术公司 | Electromechanical actuator with self-adjusting control |
| CN112201540A (en) * | 2019-07-08 | 2021-01-08 | G.卡梯埃技术公司 | Electromechanical relay with reduced over travel dispersion and method of making the same |
| CN112643275A (en) * | 2020-12-29 | 2021-04-13 | 贵州天义电器有限责任公司 | Electromagnetic drive assembly welding position device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60149040U (en) * | 1984-03-14 | 1985-10-03 | オムロン株式会社 | electromagnet device |
| JPH05174686A (en) * | 1991-12-18 | 1993-07-13 | Fujitsu Ltd | Electromagnetic relay |
| US5519369A (en) * | 1991-07-09 | 1996-05-21 | Siemens Aktiengellschaft | Electromagnet system and a method and device for joining the core and yoke in the case of the electromagnet system |
| CN1183626A (en) * | 1996-11-26 | 1998-06-03 | 西门子电气机械元器件公司 | Relay adjustment structure and methods |
| CN203339070U (en) * | 2013-06-13 | 2013-12-11 | 厦门宏发汽车电子有限公司 | A magnetic latching relay with attracted armature structure |
-
2014
- 2014-02-08 CN CN201410045834.4A patent/CN103794412B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60149040U (en) * | 1984-03-14 | 1985-10-03 | オムロン株式会社 | electromagnet device |
| US5519369A (en) * | 1991-07-09 | 1996-05-21 | Siemens Aktiengellschaft | Electromagnet system and a method and device for joining the core and yoke in the case of the electromagnet system |
| JPH05174686A (en) * | 1991-12-18 | 1993-07-13 | Fujitsu Ltd | Electromagnetic relay |
| CN1183626A (en) * | 1996-11-26 | 1998-06-03 | 西门子电气机械元器件公司 | Relay adjustment structure and methods |
| CN203339070U (en) * | 2013-06-13 | 2013-12-11 | 厦门宏发汽车电子有限公司 | A magnetic latching relay with attracted armature structure |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377081A (en) * | 2014-11-17 | 2015-02-25 | 芜湖德威汽车电机有限公司 | Riveting device for switch shell and coil assembly of automobile starter electromagnetic switch |
| CN104392863A (en) * | 2014-11-17 | 2015-03-04 | 芜湖德威汽车电机有限公司 | Assembly process of electromagnetic switch of automobile starter |
| CN104392863B (en) * | 2014-11-17 | 2016-09-21 | 芜湖德威汽车电机有限公司 | A kind of assembly technology of electromagnetic switch of automobile starter |
| CN104377081B (en) * | 2014-11-17 | 2017-07-07 | 浙江德威电机有限公司 | The device that the switch case of electromagnetic switch of automobile starter is riveted with coil block |
| CN105845506A (en) * | 2016-05-25 | 2016-08-10 | 苏州博众精工科技有限公司 | Over-travel parameter setting apparatus of relay |
| CN110084847A (en) * | 2018-01-22 | 2019-08-02 | 浙江大学 | Relay measuring device and its image processing method |
| CN110084847B (en) * | 2018-01-22 | 2020-11-06 | 浙江大学 | Relay measuring device |
| CN112201538A (en) * | 2019-07-08 | 2021-01-08 | G.卡梯埃技术公司 | Electromechanical actuator with self-adjusting control |
| CN112201540A (en) * | 2019-07-08 | 2021-01-08 | G.卡梯埃技术公司 | Electromechanical relay with reduced over travel dispersion and method of making the same |
| CN112201538B (en) * | 2019-07-08 | 2023-11-24 | G.卡梯埃技术公司 | Electromechanical actuator with self-regulating control |
| CN112643275A (en) * | 2020-12-29 | 2021-04-13 | 贵州天义电器有限责任公司 | Electromagnetic drive assembly welding position device |
| CN112643275B (en) * | 2020-12-29 | 2023-01-13 | 贵州天义电器有限责任公司 | Electromagnetic drive assembly welding position device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103794412B (en) | 2016-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103794412B (en) | A kind of electromagnetic relay and manufacture method thereof | |
| CN103824727B (en) | A kind of Kick type temperature controller and method for packing thereof | |
| CN101714667B (en) | Cam following tension control device for lithium battery winder | |
| CN109531938A (en) | A kind of plastics injection mould for replying anti-wire drawing cast gate wire drawing with magnetic force | |
| CN202008946U (en) | Double-air-gap permanent magnetic operation mechanism for high-voltage switch | |
| CN103151117A (en) | Manufacturing method of separation block with high-precision diameter for separating conductor | |
| CN201036226Y (en) | Communication relay | |
| CN101763941B (en) | Coil forming method and forming mould for electromagnetic metering equipment | |
| CN203292483U (en) | Upper-one lower-three die set of forming tank type soft magnetic ferrite core | |
| CN204214913U (en) | A kind of anti-strong magnetic high-performance integrated-type intelligent ammeter terminal module | |
| CN104485259A (en) | Fully-automatic relay production line | |
| CN206951966U (en) | A kind of bending die of automobile engine reinforcer | |
| CN202427941U (en) | Excessive and deficient filling duplex cylinder mechanism of full-automatic powder forming machine | |
| CN208873827U (en) | A kind of battery core enters housing fixture structure | |
| CN209515421U (en) | A kind of general chute-type combination cross-over block of dry-type transformer | |
| CN207072104U (en) | A kind of mechanism of Novel control matched moulds order | |
| CN202889304U (en) | Crystal resonator symmetrical reed | |
| CN205967355U (en) | Accurate positioning mold core's of ability die mould | |
| CN106597269A (en) | Intelligent debugging platform for phase control switch | |
| CN205289453U (en) | Automatically controlled rotor watchband touches and indicates riveting mould | |
| CN204603076U (en) | A kind of decompressor of adjustable blanking width | |
| CN204390987U (en) | Trimming device in relay spring production | |
| CN208555715U (en) | A kind of diel of the interior riveting contact of mould | |
| CN202949326U (en) | Motor with commutator loop structure | |
| CN205649862U (en) | Toy class acousto -optic generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |