CN1399293A - Miniaturized great-power electromagnetic relay having yoke with concessive notch - Google Patents
Miniaturized great-power electromagnetic relay having yoke with concessive notch Download PDFInfo
- Publication number
- CN1399293A CN1399293A CN 02129909 CN02129909A CN1399293A CN 1399293 A CN1399293 A CN 1399293A CN 02129909 CN02129909 CN 02129909 CN 02129909 A CN02129909 A CN 02129909A CN 1399293 A CN1399293 A CN 1399293A
- Authority
- CN
- China
- Prior art keywords
- section
- yoke
- framework
- contact
- electromagnetic relay
- 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
Landscapes
- Electromagnets (AREA)
Abstract
The miniaturized great-power electromagnetic relay includes electromagnetic system, contact system, frame, pushing clamp and casing. The moving and static contact leading out sheets are bent and led out from the same side of the yoke and the printed circuit board has corresponding yoke concessive notch. The magnetic path system and the contact system are loaded into two, one upper and one lower, cavities separately. The armature acts via the holes in the frame and is linked by the pushing clamps to moving reed to push the reed for contact conversion. In the loading end of the magnetic path system, there is isolating wall on the frame to increase isolating degree between the input and the output. The space distribution between the upper and the lower cavities results in small volume and compact structure.
Description
The present invention relates to a kind of electromagnetic relay, especially a kind of carrier part framework adopts the section cavities design, the step down miniaturized variable-section high-power electromagnetic relay of breach of yoke band.
Electromagnetic relay is used very extensive in various household electrical appliance, instrument, instrument and automatic control equipment as a kind of electromechanical compo.Current, a developing direction of electronic technology is exactly a high density packaging technique, dwindles machine volume, reduces production costs, and improves the market competitiveness.For satisfying the complete machine instructions for use, relay also develops towards miniaturization, high isolation, low-power consumption, antisurge, high-power direction.And existing typical small-sized high-power electromagnetic relay assembles the structure of moving the spring part after generally adopting circular riveted joint yoke unshakable in one's determination on yoke, this structure erection space is bigger, input with export between withstand voltagely generally have only 2500VAC, perhaps magnetic circuit system and contact system are divided into two parts, the centre separates with divider wall, withstand voltage improving, generally can reach about 4000VAC, they all exist structure compact inadequately, space utilization is insufficient, cause small product size inadequately little, the not high shortcoming of isolation.The CN1255233A patent application discloses a kind of relay with contact spring, and relay has electromagnet system and contact arrangement that has at least one quiet contact spring and at least one moving contact spring of a matrix, belt coil, iron core and an armature.The plate that this contact spring makes the plane respectively with do not have permanent bend to approach at identical plane internal fixation in this matrix.This contact spring is realized the closing of contact by the overlap joint of L shaped end section; In addition, quiet contact spring produces pre-stretching by a corresponding backstop on the matrix.The small-sized high-power sensitive-type direct current electromagnetic relay of a kind of Very Low Clearance of CNZL012207489 patent disclosure.Mainly form by contact system, magnetic circuit system, base and shell.Contact system comprises static contact spring piece, U-shaped movable contact spring, and inserts in the base by the guide groove on the base, and the U-shaped press-bending position of movable contact spring is inserted the base guide groove and fixed.Magnetic circuit system is packed in the cavity on the base, locatees in the base guide groove, and some glue is fixed.
The object of the present invention is to provide a kind of vertical high low clearance, little erection space structure of isolating of mo(u)ld bottom half that go up, strength member adopts the variable cross-section design, and structure is more compact, and the load volume is higher, and assembling is adjusted simpler, the more reliable electromagnetic relay of working.
The present invention is made up of contact system, electromagnetic system, carrier part framework (hereinafter to be referred as framework), contact part push card (hereinafter to be referred as push card) and shell.Contact system is made of dynamic and static contact lead-out tablet, movable contact spring, contact etc.Magnetic circuit system is made of coil, yoke, armature, stage clip etc.Draw after the same side bending of said sound contact lead-out tablet by yoke, yoke is being provided with the breach of stepping down with printed circuit board (PCB) (PCB) lead division correspondence position.
Contact system places in the last section cavities of framework, be the convenient mechanical parameter of adjusting and detecting contact portion, upper cavity opens wide at the contact correspondence position, compares with the relay of existing up-down structure, makes the adjustment of relay mechanical parameter and detects simpler and more direct, accurate.Compare with the relay of existing front and back structure, the present invention has the current capacity after enough length spaces and width spaces are guaranteed movable contact spring flexibility and load raising.
The dynamic and static contact lead-out tablet of contact system, design is drawn in a side of framework, and quick connection (QC) extension of lead-out tablet is packed in the draw-in groove of framework, is supported on the sidewall of framework, cooperate with the Ka Tai of housing parts, make the QC extension have enough anti-plug abilities.The highest marker method of stock utilization has been adopted in the bottom, has constituted printed circuit board (PCB) (PCB) extension of dynamic and static contact lead-out tablet and the support arm of riveted joint contact or movable contact spring, has reduced the material cost of part.Draw after the PCB extension is outwardly-bent, yoke has the breach of stepping down at correspondence position, and armature inwardly reduces the cross section at correspondence position, and the penetration range that makes magnetic circuit system and contact system is greater than 2mm.After support arm was bent upwards, the cross section of the front end of yoke can be strengthened, and the heavy in section part is beneficial to and realizes clamping of armature.
The movable contact spring of contact system is designed to variable cross-section, and preceding end section is little, and enough flexibilities are arranged, and is beneficial to the generation overtravel; Back end section is big, is beneficial to the enough big disjunction power that produces, and improves the anti-stick ability of connecing in contact under the large impact electric current.
Magnetic circuit system places in the following section cavities of framework, and for guaranteeing high the isolation, the cavity of dress magnetic circuit system comparatively seals, and compares with the structure of existing electromagnetic relay, has improved isolation, has improved the dielectric withstanding voltage of product effectively; Compare with the electromagnetic relay of existing front and back structure, coil has enough spaces, can effectively improve sensitivity; The bobbin of magnetic circuit system cooperates by the hole with the framework lower front end, clamps the location, makes the assembling of magnetic circuit part more simple.The hole dimension of framework lower front end is less, and the present invention adopts and to pack into earlier, after the way of bending solved coil PCB leading foot and drawn the window interference problem of drawing and wind the line with coil PCB.
Armature is movably connected on the variable cross-section yoke by stage clip, the hole of front end variable cross-section push card one end of packing into, and push card cooperates with frame aperture, can be with the displacement control of armature under thump in allowed limits.
Promotion position in variable cross-section armature, variable cross-section framework correspondence has the hole, and the magnetic circuit system and the contact system of height being isolated by the variable cross-section push card connect.Push card is provided with the boss of pack into armature and frame aperture, pack into and be provided with the distortion slot to make way in the middle of the boss of armature, can set up defences and withdraw from buckle in the side, for guaranteeing to satisfy the VDE space and the creepage distance requirement of high insulating requirements, be provided with the enough big platform of an area in the middle of the push card, it is engaged to be provided with convex tendon and groove corresponding on groove and convex tendon and the framework below platform, guaranteed in little space to realize the 6mm air distance that reinforced insulation is required and the requirement of 8mm creepage distance, compacter more than existing electromagnetic relay structure.
The section cavities that system is touched in the framework attaching is provided with the draw-in groove that cooperates with lead-out tablet, and the PCB of lead-out tablet draws by side channel and draws.Draw-in groove cooperates with shell, can effectively fix and connect lead-out tablet fast, compare with known plastic hot riveting fixation, the anti-intensity that plugs and unplugs of QC leading foot effectively improves, saved the expense of rivet hot equipment and operation, reduced the complexity coefficient of lead-out tablet processing simultaneously and improved the utilance of lead-out tablet material.
The section cavities of framework dress magnetic circuit system, the front end volume is little, and heavy in section, the rear end armature that is used to step down rotates, and realizes conversion thereby promote movable contact spring.The lower front end of framework is provided with the hole, cooperate by clamping with boss that bobbin one side is established, fixedly magnetic circuit system not before and after displacement, after magnetic circuit was partly packed into, coil weld tabs again bended.Corresponding with dress magnetic circuit system front end, the cross section cavity that reduces is distributed to attaching and is touched system's cavity, has strengthened the space, switches space requirement thereby satisfied the contact.The present invention makes the relay volume littler by rational allocation of space, has satisfied the high insulation request of VDE safety certification in the time of more compact structure.
Magnetic circuit system of the present invention and contact system are respectively charged in two cavitys up and down of framework, and the action of armature is connected by the movable contact spring of push card with itself and contact system by the hole on the framework, promotes the switching that movable contact spring is realized the contact.At the end of packing into of magnetic circuit system, framework is provided with divider wall, and framework is provided with divider wall, has increased the isolation between input and output.Two cavity variable cross-section allocation space make more compact structure up and down, have reduced the relay volume, adopt between parts to clamp connection, make assembling simpler, locate more accurately, are beneficial to continuous production in enormous quantities.
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present invention.
Fig. 2 is a section of structure of the present invention.
Fig. 3,4 is lead-out tablet and yoke, armature assembling relationship figure.
Fig. 5,6 is the lead-out tablet structure chart.
Fig. 7,8 is yoke structure figure.
Fig. 9～11 are frame construction drawing.
Figure 12 is armature structure figure.
Figure 13 is the movable contact spring structure chart.
Figure 14～16 are the push card structure chart.
The present invention is further illustrated below in conjunction with accompanying drawing.
As Fig. 1, shown in 2, the main parts size of relay comprises: shell 1, fixed contact lead-out tablet 2, moving contact lead-out tablet 3, movable contact spring 4, contact 5, framework 6, push card 7, stage clip 8, yoke 9, armature 10, bobbin 11, iron core 12, coil lead-out tablet 13 etc.
Shown in Fig. 3～8, the fixed contact lead-out tablet 2 of contact system, moving contact lead-out tablet 3, design is drawn in a side of framework, the QC extension 21,31 of lead-out tablet is pegged graft respectively and is packed in the draw-in groove 65,66 of framework 6, the support arm 22,32 of riveted joint contact or movable contact spring is supported on the sidewall of framework, two shoulders 23,33 on top cooperate with the Ka Tai of housing parts, make the QC extension have enough anti-plug abilities.The highest marker method of stock utilization has been adopted in the bottom, has constituted the PCB extension of lead-out tablet and the support arm 22,23 of riveted joint contact or movable contact spring, has reduced the material cost of part.For improving penetration range, draw 25,35 behind the PCB extension outwardly-bent 24,34, yoke 9 is having the breach 91 of stepping down with PCB lead division 25,35 correspondence positions, and armature inwardly reduces the cross section at correspondence position, and the penetration range that makes magnetic circuit system and contact system is greater than 2mm.After support arm was bent upwards, the front end of yoke strengthened the cross section to outer lug 94, was beneficial to behind the enlarging section and realized clamping of armature.
Shown in Fig. 7,8, one side of variable cross-section yoke 9 is provided with the breach 91 of stepping down of penetration range between raising and leading foot, in the both sides of yoke not be tightly fixed two boss 93 of magnetic circuit part upper and lower displacement of frame wall, the front end of yoke is provided with the draw-in groove 92 of fixed armature.
Shown in Fig. 9～11, form two section cavities 61 and 62 up and down after the carrier part framework 6 ladder allocation space, the cavity of dress magnetic circuit system comparatively seals, the size in hole 63 is provided with little, after packing into, the coil lead-out tablet bends again, hole sidewall 64 cooperates with the bobbin hanging platform and clamps the location magnetic circuit system, makes assembling simpler and more direct.
The section cavities 61 that system is touched in attaching is the convenient mechanical parameter of adjusting, correspondence position opens wide in the contact, opposite side is provided with the draw-in groove 65 and 66 that cooperates with dynamic and static contact lead-out tablet 3,2, and the side of draw-in groove is provided with groove 67,68, in order to dynamic and static contact lead-out tablet PCB pin.The middle part of framework 6 is provided with and promotes hole 69, and the push card of packing into realizes the high connection of isolating the contact system of magnetic circuit system.Promotion 69 outsides, hole are respectively equipped with groove 73 and the boss 74 mutual interlocks on boss 69a and groove 69b and the push card 7 area platforms broad in the middle, have satisfied high insulation request; For improving isolation, between the cavity of dress magnetic circuit system and contact system, be provided with divider wall 610, satisfy creepage distance requirement between input of VDE safety certification and output.
Shown in Figure 12,13, be variable cross-section armature 10 of the present invention and movable contact spring 4 structure charts, front end 41 cross sections of movable contact spring 4 riveting contacts are little, can guarantee to have enough flexibilities when realizing contact overtravel; Too the high rigidity of the rear end 42 in cross section can guarantee that moving contact has enough disjunction power, the reliability of working when improving the switching high power load of contact.
Shown in Figure 14～16, be push card 7 of the present invention, the push card lower end is provided with the boss 72 in the armature hole of packing into, and the middle part is provided with the large tracts of land platform 71 that increases creepage distance, can set up anti-back at an end in the armature hole of packing into and go out buckle.For satisfying high insulation request, the large tracts of land platform is provided with groove 73 and boss 74 promotes the boss 69a and the groove 69b interlock in 69 outsides, hole with framework, has prolonged air and creepage distance between input and output.
Claims (10)
1, the yoke band miniaturized variable-section high-power electromagnetic relay of breach of stepping down, be provided with contact system, electromagnetic system, carrier part framework, contact part push card and shell, contact system is made of sound contact lead-out tablet, movable contact spring, contact, magnetic circuit system is made of coil, yoke, armature, stage clip, it is characterized in that drawing after the same side bending of said sound contact lead-out tablet by yoke, yoke is being provided with the breach of stepping down with printed circuit board (PCB) lead division correspondence position.
2, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down, it is characterized in that said framework is section cavities up and down, be provided with divider wall up and down in the middle of the section cavities, contact system places in the last section cavities of framework, and magnetic circuit system places in the following section cavities of framework.
3, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down, the dynamic and static contact lead-out tablet design that it is characterized in that contact system is drawn in a side of framework, the quick connection extension of lead-out tablet is packed in the draw-in groove of framework, be supported on the sidewall of framework, cooperate with the Ka Tai of housing parts.
4, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down is characterized in that said movable contact spring, yoke, armature and push card adopt the variable cross-section design.
5, as the step down miniaturized variable-section high-power electromagnetic relay of breach of claim 1 and 4 described yoke bands, it is characterized in that the movable contact spring of contact system is designed to variable cross-section, preceding end section is little, and back end section is big.
6, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down is characterized in that the bobbin of magnetic circuit system cooperates by the hole with the framework lower front end, clamps the location.
7, as the step down miniaturized variable-section high-power electromagnetic relay of breach of claim 1 and 4 described yoke bands, it is characterized in that armature is movably connected on the variable cross-section yoke by stage clip, the hole of front end variable cross-section push card one end of packing into, push card cooperates with frame aperture.
8, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down, it is characterized in that promotion position in variable cross-section armature, variable cross-section framework correspondence, have the hole, the magnetic circuit system of height being isolated by the variable cross-section push card is connected with contact system.
9, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down, it is characterized in that push card is provided with the boss of pack into armature and frame aperture, pack into and be provided with the distortion slot to make way in the middle of the boss of armature, can set up defences and withdraw from buckle in the side, is provided with platform in the middle of the push card, it is engaged to be provided with convex tendon and groove corresponding on groove and convex tendon and the framework below platform.
10, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down, it is characterized in that the framework attaching touches the section cavities of system and be provided with the draw-in groove that cooperates with lead-out tablet, the printed circuit board (PCB) of lead-out tablet is drawn by side channel and is drawn, and draw-in groove cooperates with shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129909 CN1218346C (en) | 2002-08-21 | 2002-08-21 | Miniaturized great-power electromagnetic relay having yoke with concessive notch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129909 CN1218346C (en) | 2002-08-21 | 2002-08-21 | Miniaturized great-power electromagnetic relay having yoke with concessive notch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1399293A true CN1399293A (en) | 2003-02-26 |
| CN1218346C CN1218346C (en) | 2005-09-07 |
Family
ID=4746345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02129909 Expired - Fee Related CN1218346C (en) | 2002-08-21 | 2002-08-21 | Miniaturized great-power electromagnetic relay having yoke with concessive notch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1218346C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558460A (en) * | 2016-11-24 | 2017-04-05 | 厦门宏发汽车电子有限公司 | A kind of plug-in mounting structure between quiet spring and bobbin |
| WO2018095417A1 (en) * | 2016-11-24 | 2018-05-31 | 厦门宏发汽车电子有限公司 | Insertion structure between static spring and bobbin |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047951B (en) * | 2006-03-27 | 2010-06-16 | 中兴通讯股份有限公司 | Media access control station transport method in radio communication system |
-
2002
- 2002-08-21 CN CN 02129909 patent/CN1218346C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558460A (en) * | 2016-11-24 | 2017-04-05 | 厦门宏发汽车电子有限公司 | A kind of plug-in mounting structure between quiet spring and bobbin |
| WO2018095417A1 (en) * | 2016-11-24 | 2018-05-31 | 厦门宏发汽车电子有限公司 | Insertion structure between static spring and bobbin |
| US11114264B2 (en) | 2016-11-24 | 2021-09-07 | Xiamen Hongfa Automotive Electronics Co., Ltd. | Insertion structure between static spring and bobbin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1218346C (en) | 2005-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1269167C (en) | Miniaturized great-power electromagnetic relay with upper and lower variable-section cavities | |
| CN1237565C (en) | High-isolated vertical miniaturized variable-section high-power electromagnetic relay | |
| CN1218346C (en) | Miniaturized great-power electromagnetic relay having yoke with concessive notch | |
| CN2588519Y (en) | electromagnetic relay with section-changed structure and open slot in yoke | |
| CN2578963Y (en) | Vertical high-separation electromagnetic relay with variable sections | |
| CN2578965Y (en) | Electromagnetic relay with up and down variable section structures | |
| CN1224069C (en) | Miniaturized great-power electromagnetic relay with right and left variable-section cavities | |
| CN1227692C (en) | Miniature electromagnetic relay | |
| CN2638225Y (en) | Small high-power relay | |
| CN100386836C (en) | Small high-power relay | |
| CN2531519Y (en) | Electromagnetic relay with good flexible movable contact spring | |
| CN2849945Y (en) | Small high-power relay | |
| CN1182559C (en) | Electromagnetic relay with well flexible moving reed | |
| CN2578964Y (en) | Electromagnetic relay with left and right variable section structures | |
| CN1227693C (en) | L-shaped movable spring extended sheet and rapidly connecting electromagnetic relay with static reed | |
| CN1303627C (en) | Low height press-button type small-sized large power AC-DC electromagnetic relay | |
| CN2480975Y (en) | Low-height sensitive electromagnetic relay | |
| CN1252769C (en) | Two Tongue and carried back moving spring electro magnetic relay | |
| CN2658931Y (en) | Quick connection electromagnetic relay having limit convex arm movable contact spring piece | |
| CN2658930Y (en) | Quick connection electro magnetic relay with L-shaped movable contact spring piece and static contact spring piece | |
| CN218385045U (en) | Electromagnetic relay resistant to large load | |
| CN108320980A (en) | A kind of pedestal for small-sized disconnecting switch | |
| CN2681310Y (en) | Multi-contact AC-DC electromagnetic relay with twist axis pushing mechanism | |
| CN216488617U (en) | Combined spliced high-current contact assembly | |
| CN1300817C (en) | Low height small-sized large power multiple contacts AC-DC electromagnetic relay with a winding shaft pushing mechanism |
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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: XIAMEN HONGFA ELECTROASCOUTIC CO., LTD. Free format text: FORMER NAME: XIAMEN HONGFA ELECTROACOUSTIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No. 91-101 South South Road, Jimei Industrial Zone, Xiamen, Fujian Patentee after: Xiamen Hongfa Electroacoustic Co., Ltd. Address before: No. 91-101 South South Road, Jimei Industrial Zone, Xiamen, Fujian Patentee before: Hongfa Electroacoustic Co., Ltd, Xiamen |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Hongfa Automobile Electronics Co.,Ltd. Assignor: Xiamen Hongfa Electroacoustic Co., Ltd. Contract fulfillment period: 2009.7.1 to 2014.7.1 contract change Contract record no.: 2009351000081 Denomination of invention: Miniaturized great-power electromagnetic relay having yoke with concessive notch Granted publication date: 20050907 License type: Exclusive license Record date: 20091112 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.1 TO 2014.7.1; CHANGE OF CONTRACT Name of requester: XIAMEN HONGFA AUTOMOTIVE ELECTRONICS CO., LTD. Effective date: 20091112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20160821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |