CN1218346C - Miniaturized great-power electromagnetic relay having yoke with concessive notch - Google Patents
Miniaturized great-power electromagnetic relay having yoke with concessive notch Download PDFInfo
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- CN1218346C CN1218346C CN 02129909 CN02129909A CN1218346C CN 1218346 C CN1218346 C CN 1218346C CN 02129909 CN02129909 CN 02129909 CN 02129909 A CN02129909 A CN 02129909A CN 1218346 C CN1218346 C CN 1218346C
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Abstract
The present invention relates to a miniaturized variable-section high-power electromagnetic relay whose carrier component frame adopts a variable-section cavity design and yoke iron is provided with a concessive notch. The electromagnetic relay is provided with a contact system, an electromagnetic system, the frame, a pushing card and a casing. An extraction sheet of a dynamic contact and a static contact is bent at the same side of the yoke iron to be extracted, and the yoke iron is provided with the concessive notch in the position corresponding to the extracting part of a printed circuit board. A magnetic circuit system and the contact system are respectively arranged into an upper cavity and a lower cavity of the frame, the movement of a piece of armature iron causes the armature iron to be linked with a movable contact spring of the contact system by the pushing card through a hole on the frame, and the movable contact spring is pushed to realize the switching of the contacts. A partition wall is arranged on the frame at the loading end of the magnetic circuit system. Because the partition wall is arranged on the frame, the partition degree between input and output is increased. The space is distributed into the upper cavity and the lower cavity through the variable section to cause the structure to be compact and the volume of the relay to be reduced, details are connected in a clamping way to cause the assembly to be simple and the positioning to be accurate, and the continuous mass production is easy.
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, magnetic circuit 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, the position that yoke is corresponding with dynamic and static contact lead division is provided with the breach of stepping down.
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 the extension of lead-out tablet is packed in the draw-in groove of framework, is supported on the sidewall of framework, cooperates with the Ka Tai of housing parts, makes extension have enough anti-plug abilities.The highest marker method of stock utilization has been adopted in the bottom, has constituted the 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 extension of dynamic and static contact lead-out tablet 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 drawing of coil leading foot and the coil leading foot window interference problem of drawing and wind the line.
Armature is movably connected on the variable cross-section yoke by stage clip, the hole of establishing on the variable cross-section armature front end pusher arm (claiming armature to promote the hole) the variable cross-section push card of packing into one end, pack into the promotion hole of frame mid portion of push card can be with the displacement control of armature under thump in allowed limits.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 extension of lead-out tablet is drawn by side channel.Draw-in groove cooperates with shell, effectively fixing lead-out tablet, with known plastic hot riveting fixation relatively, the anti-intensity that plugs and unplugs of 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 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 extension of lead-out tablet have enough anti-plug abilities.The highest marker method of stock utilization has been adopted in the bottom, has constituted the extension and the support arm 22,23 of riveting contact or movable contact spring of the lead-out tablet of lead-out tablet, has reduced the material cost of part.For improving penetration range, draw 25,35 behind the extension of lead-out tablet outwardly-bent 24,34, yoke 9 has the breach 91 of stepping down at lead division 25,35 correspondence positions with lead-out tablet, 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 protruded laterally and forms protuberance 94, and the cross section is strengthened, and was beneficial to behind the enlarging section and realized clamping of armature.
As Fig. 7, shown in 8, one side of variable cross-section yoke 9 be provided with improve and leading foot between the breach 91 of stepping down of penetration range, be provided with in the both sides of yoke and 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; The high rigidity of heavy in section rear end 42 can guarantee that moving contact has enough disjunction power, the reliability of working when improving the switching high power load of contact.
On the pusher arm 101 of variable cross-section armature 10 front ends, be provided with framework and promote corresponding hole (claiming armature to promote the hole) 102, hole 69, the rear end boss of the push card of packing into connects magnetic circuit and contact portion, is rotated by push card by armature and promotes movable contact spring realization contact switching.
Shown in Figure 14～16, it is push card 7 of the present invention, the push card lower end is provided with the boss 72 that the armature of packing into promotes hole and framework promotion hole, the middle part is provided with the large tracts of land platform 71 that increases creepage distance, the cross section of middle deck 71 can be set up anti-back at an end in the armature promotion hole of packing into and go out buckle greater than the cross section on both sides.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 (9)
1, the step down miniaturized variable-section high-power electromagnetic relay of breach of yoke band, be provided with contact system, magnetic circuit system, carrier part framework, contact part push card and shell, contact system is by sound contact lead-out tablet, movable contact spring, the contact constitutes, magnetic circuit system is by coil, yoke, armature, stage clip constitutes, contact system and magnetic circuit system are respectively charged in the cavity up and down of framework, shell covers on the framework, moving, the fixed contact lead-out tablet is located at a side of framework, contact on the movable contact spring two ends is respectively with moving, the fixed contact lead-out tablet connects, bobbin is located at the framework bottom, armature is movably connected on the yoke by pressure ring, it is characterized in that drawing after the same side bending of said sound contact lead-out tablet by yoke, yoke is with moving, the position of fixed contact lead-out tablet correspondence is provided with the breach of stepping down, push card connects armature and framework respectively, the push card lower end is provided with the boss that the armature of packing into promotes hole and framework promotion hole, is provided with the distortion slot to make way in the middle of the boss of the armature of packing into.
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 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 yoke, armature and push card adopt the variable cross-section design, and the front end of yoke protrudes the formation protuberance laterally; Cross section behind the armature arm is less than the cross section of pusher arm; The middle part of push card is provided with platform, and the cross section of middle deck is greater than the cross section on both sides.
5, 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 movable contact spring of contact system is designed to variable cross-section, and 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, 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 armature is movably connected on the variable cross-section yoke by stage clip, pack into the promotion hole of frame mid portion of the promotion hole that the pusher arm of armature front end is provided with variable cross-section push card one end of packing into, push card.
8, the yoke band as claimed in claim 1 miniaturized variable-section high-power electromagnetic relay of breach of stepping down, it is engaged to it is characterized in that being provided with below the platform in the middle of push card convex tendon and groove corresponding on groove and convex tendon and the framework.
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 attaching touches the framework of the section cavities of system and be provided with the draw-in groove that cooperates with lead-out tablet, lead-out tablet is drawn by draw-in groove, 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 CN1399293A (en) | 2003-02-26 |
| CN1218346C true CN1218346C (en) | 2005-09-07 |
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| 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 |
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| Country | Link |
|---|---|
| CN (1) | CN1218346C (en) |
Cited By (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 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558460B (en) * | 2016-11-24 | 2018-10-09 | 厦门宏发汽车电子有限公司 | A kind of plug-in mounting structure between quiet spring and bobbin |
| EP3547343B1 (en) | 2016-11-24 | 2021-04-21 | Xiamen Hongfa Automotive Electronics Co., Ltd. | Insertion structure between static spring and bobbin |
-
2002
- 2002-08-21 CN CN 02129909 patent/CN1218346C/en not_active Expired - Fee Related
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN1399293A (en) | 2003-02-26 |
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| 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. |
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| 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 |
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| 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 |
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| 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 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20160821 |