CN2578963Y - Vertical high-separation electromagnetic relay with variable sections - Google Patents
Vertical high-separation electromagnetic relay with variable sections Download PDFInfo
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- CN2578963Y CN2578963Y CN 02287245 CN02287245U CN2578963Y CN 2578963 Y CN2578963 Y CN 2578963Y CN 02287245 CN02287245 CN 02287245 CN 02287245 U CN02287245 U CN 02287245U CN 2578963 Y CN2578963 Y CN 2578963Y
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- electromagnetic relay
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Abstract
The utility model relates to a vertical high-separation electromagnetic relay with variable sections, which is respectively provided with grooves and convex ribs which correspond to each other and are engaged with each other on a pushing clamp and a frame of a carrier part to achieve the purpose of extension to air distance and creepage distance between an armature and a movable spring sheet and reinforce separation. The utility model is provided with an electromagnetic system, contact systems, a frame, the pushing clamp and a casing, wherein one end of the pushing clamp is provided with a platform, and the lower part of the platform is provided with a groove and a convex rid which are engaged with a convex rib and a groove which are correspondingly arranged on the frame; the contact systems of a magnetic circuit system are respectively arranged in an upper and a lower cavities of the frame; the armature is in contact with the movable spring sheet by the pushing clamp through a hole on the frame, and the movable spring sheet is pushed to realize the switching of contacts. The utility model meets the requirements of the air distance and the creepage distance which are required for reinforcing separation and extends the air distance and the creepage distance between the armature and the movable spring sheet so as to have the advantages of compact structure, volume reduction, clamping connection among parts and components, simple assembly, accurate positioning and favorable continuous mass production.
Description
The utility model relates to a kind of electromagnetic relay, especially a kind ofly on push card and carrier part framework, establish corresponding groove and convex tendon and interlock mutually respectively, to reach air distance and the creepage distance that prolongs between armature and movable contact spring, improve the high-isolated vertical variable section structure electromagnetic relay of insulating properties.
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 CN1255232A 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 purpose of this utility model is to provide a kind of the go up vertical high isolation of mo(u)ld bottom half, little erection space structure, the design of strength member employing variable cross-section, and structure is more compact, and the load volume is higher, and assembling is adjusted simpler, the more reliable electromagnetic relay of working.
The utility model is made up of electromagnetic system, contact system, carrier part framework (hereinafter to be referred as framework), contact part push card (hereinafter to be referred as push card) and shell.Magnetic circuit system is made of coil, yoke, armature, stage clip etc., and contact system is made of movable contact spring, contact, lead-out tablet etc.One end of said push card is provided with platform, is provided with groove and convex tendon in the bottom of platform, and with framework on corresponding convex tendon that is provided with and groove interlock.Framework is made as section cavities up and down, and magnetic circuit system places in the following section cavities of framework, and contact system places in the last section cavities of framework.Yoke, armature, push card and movable contact spring all are made as variable cross-section, in the promotion position of variable cross-section armature, variable cross-section framework correspondence, are provided with and promote the hole, and magnetic circuit system and contact system that the variable cross-section push card of packing into is isolated height connect.For satisfying the requirement of required 6mm air distance of reinforced insulation and 8mm creepage distance, one end of push card is provided with the enough big platform of an area, be provided with corresponding convex tendon and groove interlock on groove and convex tendon and the framework in the bottom of platform, prolonged the creepage distance of the air distance between armature and movable contact spring, this structure has satisfied the requirement of reinforced insulation under the situation compacter more than existing relay construction.The other end of push card is provided with the boss that is respectively charged into armature and frame aperture, is provided with the distortion slot to make way in the middle of the boss of the armature of packing into, can set up defences and withdraw from buckle in the side.
For guaranteeing high the isolation, the cavity of dress magnetic circuit system comparatively seals, and compares with existing relay construction, has not only improved isolation, has improved the dielectric withstanding voltage of product effectively; And 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, can adopt earlier and pack into, after the way of bending solved coil lead-out tablet printed circuit board (PCB) (PCB) leading foot and drawn problem.
Contact system places in the last section cavities of framework, is the convenient mechanical parameter of adjusting and detecting contact portion, and framework opens wide at the contact correspondence position, compares with existing relay, makes the adjustment of relay mechanical parameter and detects simpler and more direct, accurate.Compare with existing relay construction, the utility model has the current capacity after enough length spaces and width spaces are guaranteed movable contact spring flexibility and load raising.
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 helps producing overtravel, and back end section is big; Help producing enough big disjunction power, improve the anti-stick ability of connecing in contact under the large impact electric current.
Armature is movably connected on the variable cross-section yoke by stage clip, pack into an end of variable cross-section push card of the hole of front end, and push card cooperates with frame aperture, can be with the displacement control of armature under thump in allowed limits.Yoke variable cross-section design, to have an indentations section of stepping down long-pending little with the lead-out tablet correspondence position, and the penetration range that makes magnetic circuit system and contact system is greater than 2mm, and front end cuts part greatly and is beneficial to clamping of realization armature.
The last 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 (QC) 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 following 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 utility model 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.
The contact system of magnetic circuit system of the present utility model is 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.For satisfying the requirement of required 6mm air distance of reinforced insulation and 8mm creepage distance, one end of push card is provided with the enough big platform of an area, be provided with corresponding convex tendon and groove interlock on groove and convex tendon and the framework in the bottom of platform, prolong air distance and creepage distance between armature and movable contact spring, under the compact more situation of relay construction, satisfied the requirement of reinforced insulation.Make more compact structure, reduced the relay volume, adopt between parts to clamp connection, make assembling simpler, locate more accurately, be beneficial to continuous production in enormous quantities.
Fig. 1 is STRUCTURE DECOMPOSITION figure of the present utility model.
Fig. 2 is a section of structure of the present utility model.
Fig. 3 is the utility model push card and framework occlusion structure profile.
Fig. 4～6 are the push card structure chart.
Fig. 7～9 are frame construction drawing.
Figure 10,11 is yoke structure figure.
Figure 12 is armature structure figure.
Figure 13 is the movable contact spring structure chart.
Below in conjunction with accompanying drawing the utility model is further described.
Shown in Fig. 1～9, 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.
Magnetic circuit system places in the following section cavities 61 of framework 6, contact system places in the last section cavities 62 of framework, promotion position in variable cross-section armature 10, variable cross-section framework 6 correspondences, have and promote hole 69, magnetic circuit system and contact system that the variable cross-section push card 7 of packing into is isolated height connect.
For satisfying the requirement of required 6mm air distance of reinforced insulation and 8mm creepage distance, one end of push card 7 is provided with the enough big platform of an area 71, be provided with corresponding protruding dish 69a and groove 69b interlock on groove 73 and convex tendon 74 and the framework 6 in the bottom of platform, prolonged air distance and creepage distance between armature and movable contact spring, under the structure situation compacter more, satisfied and forced insulating requirements than existing relay construction.The other end of push card 7 is provided with boss 72A and the 72B that is respectively charged into armature and frame aperture, is provided with the distortion slot to make way in the middle of the boss 72A of the armature 10 of packing into, can set up defences and withdraw from buckle in the side.
Form two section cavities 61 and 62 up and down after the framework 6 ladder allocation space, the cavity of dress magnetic circuit system comparatively seals, the preceding lower end of cavity is provided with hole 63, in order to draw the coil lead-out tablet, for satisfying high insulation request, hole dimension is provided with little, bends after the coil lead-out tablet is packed into 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, and the side of draw-in groove is provided with groove 67 and 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 high the isolation being connected of magnetic circuit system and contact 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.
As Figure 10, shown in 11, one side of variable cross-section yoke 9 be provided with improve and leading foot between the slot to make way 91 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 typical fixed armature.
As Figure 12, shown in 13, be variable cross-section armature 10 of the present utility model and movable contact spring 4 structure charts, front end 41 cross sections of movable contact spring riveting contact 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.
Be provided with the hole 102 corresponding with frame aperture 69 on the pusher arm 101 of variable cross-section armature 10, the rear end boss of the push card of packing into connects magnetic circuit and contact portion, is rotated by armature to promote movable contact spring by push card and realize that the contact switches.
Claims (10)
1, high-isolated vertical variable section structure electromagnetic relay, be provided with electromagnetic system, contact system, carrier part framework, contact part push card and shell, magnetic circuit system is made of coil, yoke, armature, stage clip, contact system is made of movable contact spring, contact, lead-out tablet, an end that it is characterized in that said push card is provided with platform, be provided with groove and convex tendon in the bottom of platform, and with carrier part framework on corresponding convex tendon that is provided with and groove interlock.
2, high-isolated vertical variable section structure electromagnetic relay as claimed in claim 1, it is characterized in that said carrier part framework is made as section cavities up and down, magnetic circuit system places in the following section cavities of carrier part framework, and contact system places in the last section cavities of carrier part framework.
3, high-isolated vertical variable section structure electromagnetic relay as claimed in claim 1 is characterized in that yoke, armature, push card and movable contact spring all are made as variable cross-section.
4, as claim 1 or 3 described high-isolated vertical variable section structure electromagnetic relays, it is characterized in that being provided with the promotion hole in the promotion position of variable cross-section armature, variable cross-section framework correspondence, magnetic circuit system and contact system that the variable cross-section push card of packing into is isolated height connect.
5, high-isolated vertical variable section structure electromagnetic relay as claimed in claim 1 is characterized in that the other end of push card is provided with the boss that is respectively charged into armature and frame aperture, is provided with the distortion slot to make way in the middle of the boss of the armature of packing into, can set up defences and withdraw from buckle in the side.
6, high-isolated vertical variable section structure electromagnetic relay as claimed in claim 1 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 claim 1 or 3 described high-isolated vertical variable section structure electromagnetic relays, it is characterized in that the preceding end section of variable cross-section movable contact spring is little, back end section is big.
8, as claim 1 or 3 described high-isolated vertical variable section structure electromagnetic relays, it is characterized in that armature is movably connected on the variable cross-section yoke by stage clip, pack into an end of variable cross-section push card of the hole of front end, push card cooperates with frame aperture.
9, high-isolated vertical variable section structure electromagnetic relay as claimed in claim 1 or 2, it is characterized in that the framework attaching touches the last 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.
10, high-isolated vertical variable section structure electromagnetic relay as claimed in claim 1 or 2, the following section cavities front end volume that it is characterized in that framework dress magnetic circuit system is little, heavy in section, the rear end armature that is used to step down rotates, the lower front end of framework is provided with the hole, cooperate by clamping with boss that bobbin one side is established, fixedly not front and back displacement of magnetic circuit system, after magnetic circuit was partly packed into, coil weld tabs again bended.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02287245 CN2578963Y (en) | 2002-11-09 | 2002-11-09 | Vertical high-separation electromagnetic relay with variable sections |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02287245 CN2578963Y (en) | 2002-11-09 | 2002-11-09 | Vertical high-separation electromagnetic relay with variable sections |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2578963Y true CN2578963Y (en) | 2003-10-08 |
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ID=33747605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02287245 Expired - Lifetime CN2578963Y (en) | 2002-11-09 | 2002-11-09 | Vertical high-separation electromagnetic relay with variable sections |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2578963Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962689A (en) * | 2017-07-11 | 2018-12-07 | 厦门宏发电力电器有限公司 | A kind of movable contact spring and its electromagnetic relay that resist blocking and that ability and disjunction power can be improved |
-
2002
- 2002-11-09 CN CN 02287245 patent/CN2578963Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962689A (en) * | 2017-07-11 | 2018-12-07 | 厦门宏发电力电器有限公司 | A kind of movable contact spring and its electromagnetic relay that resist blocking and that ability and disjunction power can be improved |
| CN108962689B (en) * | 2017-07-11 | 2023-11-17 | 厦门宏发电力电器有限公司 | Movable contact spring capable of improving anti-adhesion capability and breaking force and electromagnetic relay thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361021 No. 91-101 South South Road, Jimei Industrial Zone, Xiamen, Fujian Patentee after: Xiamen Hongfa Electroacoustic Co., Ltd. Address before: 361021 No. 91-101 South South Road, Jimei Industrial Zone, Xiamen, Fujian Patentee before: Hongfa Electroacoustic Co., Ltd, Xiamen |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20121109 Granted publication date: 20031008 |