CN203312183U - Small-size magnetic latching power relay - Google Patents
Small-size magnetic latching power relay Download PDFInfo
- Publication number
- CN203312183U CN203312183U CN2013203110235U CN201320311023U CN203312183U CN 203312183 U CN203312183 U CN 203312183U CN 2013203110235 U CN2013203110235 U CN 2013203110235U CN 201320311023 U CN201320311023 U CN 201320311023U CN 203312183 U CN203312183 U CN 203312183U
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- yoke
- armature
- iron core
- bobbin
- push card
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Abstract
The utility model discloses a small-size magnetic latching power relay comprising a magnetic circuit part, a contact part, a pushing card and a base. The magnetic circuit part and the contact part are respectively arranged at the two ends of the base in the length direction. The pushing card is connected between the magnetic circuit part and the contact part. The magnetic circuit part comprises a coil frame, an iron core, an upper yoke, an L-shaped yoke and an n-shaped or H-shaped armature assembly with a permanent magnet arranged in the middle. The iron core is inserted into the coil frame, and the axis of the iron core is vertical to the base. The upper yoke is connected with the upper end of the iron core, and the horizontal side of the L-shaped yoke is connected with the lower end of the iron core. The armature assembly is disposed in the pushing card. A first armature of the armature assembly is arranged between the upper yoke and the vertical side of the L-shaped yoke. When the relay operates, the first armature is pasted on the upper yoke; and when the relay restores, the first armature is pasted on the vertical side of the L-shaped yoke. By employing the small-size magnetic latching power relay, the creepage distance between the input terminal and the output terminal of the relay can be effectively increased. The small-size magnetic latching power relay is characterized by simple structure, good assemblability and good manufacturability.
Description
Technical field
The utility model relates to a kind of relay, particularly relates to a kind of small size magnetic and keeps power relay.
Background technology
Along with improving constantly of environmental requirement, magnetic latching relay, as a kind of energy saving component, has obtained application more and more widely.Different from simple electromagnetic relay, magnetic latching relay uses permanent magnet, by the magnetic force of permanent magnet, realizes the maintenance of the actuating of relay, thereby reduces energy consumption.In more existing magnetic latching relays, although permanent magnet can produce at the operating position place suction that makes armature remain on the operating position place, but usually at involution position permanent magnet suction, still have and make the trend of armature to the operating position motion, must rely on spring force to make armature remain on the involution position.This makes the performance of relay opposing vibration generally poor, is subject to certain impact and very easily makes armature get back to operating position by the involution position, affects the serviceability of relay.On the other hand, existing this small size magnetic keeps power relay, and the distance of magnetic circuit part and contact portion is less, makes the creepage distance between relay input and output shorter, causes the fail safe of relay inadequate.In addition, existing this magnetic latching relay, iron core is made as one usually with a yoke wherein, and iron core is cylindrical, and yoke is cuboid, makes whole part shape comparatively complicated, more difficult processing.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, provides a kind of small size magnetic to keep power relay, can either effectively increase the creepage distance between relay input and output, has again the characteristics of simple in structure, assembling, good manufacturability.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of small size magnetic keeps power relay, comprises magnetic circuit part, contact portion, push card and base; Magnetic circuit part and contact portion are contained in respectively the two ends alongst of base; Push card is connected between magnetic circuit part and contact portion; Magnetic circuit part comprises that bobbin, iron core, upper yoke, L-type yoke and centre have the п type of permanent magnet or the armature component of H type, described iron core is inserted in bobbin and makes the axis of iron core vertical with base, on one side the level of upper yoke and L-type yoke is connected to the upper and lower side of iron core; Described armature component is contained in push card, and the first armature that makes a wherein side of armature component is between vertical one side of yoke and L-type yoke, described the first armature is affixed to yoke when the actuating of relay, and described the first armature is affixed to vertical one side of L-type yoke when relay resets.
Described upper yoke, L-type yoke and iron core are respectively independently part, between upper yoke and iron core and between L-type yoke and iron core, are respectively riveted joint and fix.
Described armature component is installed on the middle part of push card, and an end of described push card can be along the top that is connected to horizontally slidingly bobbin, and the other end of push card matches with contact portion.
The top of described bobbin is provided with the draw-in groove along horizontal direction, and an end of described push card is provided with the card convex that can match with the draw-in groove of bobbin.
The bottom of one end of described push card is provided with to the holding tank be recessed on, the holding tank of push card is enclosed within the top of bobbin, the both sides on the top of described bobbin are respectively equipped with a clamp bar slot, the both sides cell wall of the holding tank of push card has protruded out card convex respectively in groove, two card convexs of push card fit in respectively in two clamp bar slots of bobbin.
Described bobbin includes epipleural, and described draw-in groove is located in epipleural, and the one side of epipleural is made as the locating surface on vertical one side of L-type yoke.
The other end of described push card is provided with bayonet socket, the mid portion of the head of the movable contact spring of contact portion is made as the first kink of 90 ° of bendings, the both sides part of the head of the movable contact spring of contact portion is made as the second kink of 90 ° of inverse bendings, and the first kink of movable contact spring and the second kink are engaged in respectively the upper and lower sides of bayonet socket.
Described bobbin and base are the integrative-structure that the plastic shaping mode is made, described base be provided with to pack into the level fluting on one side of L-type yoke, and the cell wall of fluting is provided with to locate some convex tendons of L-type yoke.
The fluting of described base also is equipped with cover plate, on cover plate, is provided with projection.
A kind of small size magnetic of the present utility model keeps power relay, at the operating position place, the first armature of magnetic pole one side and the laminating of upper yoke end face, the second armature of magnetic pole opposite side and the laminating of L shaped yoke face, " permanent magnet---the first armature---air gap between the first armature and upper yoke---upper yoke---iron core---L shaped yoke---air gap between L shaped yoke and the second armature---second armature---permanent magnet " the formation closed-loop path, can produce larger suction, make normally opened contact stably remain on make position; The involution position, the first armature and the laminating of L shaped yoke face, the second armature is unsettled, " permanent magnet---the first armature---air gap between the first armature and L shaped yoke---L shaped yoke---air gap between L shaped yoke and the second armature---second armature---permanent magnet " form loop, permanent magnet is enough to make push card to remain on the suction of involution position at the first armature and the generation of L shaped yoke face joint place.When coil being applied to the action pumping signal, the suction at the air gap place between the first armature and upper yoke increases, the suction at the air gap place between the first armature and L shaped yoke reduces, due to both opposite directions, therefore when the air gap place suction between the first armature and upper yoke is greater than the suction at the air gap place between the first armature and L shaped yoke, the movable member drive movable contact spring be comprised of armature component and push card moves to operating position by the involution position, after removing coil stimulating, the suction that permanent magnet produces makes movable member remain on operating position; When coil is applied to the involution pumping signal, the suction at the air gap place between the air gap between the first armature and upper yoke, L shaped yoke and the second armature starts to reduce, when two air gap place suction are reduced to while being less than the counter-force that movable contact spring applies push card, movable member turns back to the involution position by operating position under the effect of movable contact spring.
The beneficial effects of the utility model are:
1, owing to having adopted, be inserted into described iron core in bobbin and make the axis of iron core vertical with base, and magnetic circuit part and contact portion are contained in respectively the two ends alongst of base, so just make the distance of magnetic circuit part and contact portion in the longitudinal direction increase, can increase the creepage distance of input and output, improve dielectric withstanding voltage;
2, owing to having adopted, upper yoke, L-type yoke and iron core are made as respectively to independently part, and between upper yoke and iron core and between L-type yoke and iron core, be respectively the riveted joint fix, so just make two yoke shapes comparatively simple, be convenient to processing and manufacturing;
3, owing to having adopted, bobbin and base are made as to the integrative-structure that the plastic shaping mode is made, and at described base be provided with to pack into the level fluting on one side of L-type yoke, and at fluting, cover plate also is housed, so both be convenient to the installation of L-type yoke, also can realize L shaped yoke is positioned, and the cover plate of base bottom, the accumulation of a large amount of glue in the time of can also avoiding the bottom plastic packaging, cause contraction distortion, also facilitate base and shell point glue to fix;
4, because the top at bobbin is provided with the draw-in groove along horizontal direction, and an end of described push card is provided with the card convex that can match with the draw-in groove of bobbin, like this, just can make push card along the horizontal direction rectilinear motion, and drives the contact portion action.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of small size magnetic of the present utility model keeps power relay to be not limited to embodiment.
The accompanying drawing explanation
Fig. 1 is embodiment profile schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of embodiment D structure of the present utility model (not containing shell);
Fig. 3 is the schematic diagram of the D structure of embodiment magnetic circuit part of the present utility model;
Fig. 4 is the schematic diagram of embodiment magnetic circuit part of the present utility model when attracted position;
Fig. 5 is the schematic diagram of embodiment magnetic circuit part of the present utility model when the involution position;
Fig. 6 is the assembling schematic diagram of embodiment armature component of the present utility model and push card;
Fig. 7 is the schematic diagram of embodiment push card of the present utility model;
Fig. 8 is the schematic diagram of embodiment movable contact spring of the present utility model;
Fig. 9 is the assembling schematic diagram of embodiment movable contact spring of the present utility model and push card;
Figure 10 is the schematic diagram of embodiment base of the present utility model and bobbin;
Figure 11 is the schematic diagram of embodiment cover plate of the present utility model.
Embodiment
Embodiment, to shown in Figure 11, a kind of small size magnetic of the present utility model keeps power relay, comprises magnetic circuit part 1, contact portion 2, push card 3, base 4 and shell 5 referring to Fig. 1; Magnetic circuit part 1 and contact portion 2 are contained in respectively the two ends alongst of base 4; Push card 3 is connected between magnetic circuit part 1 and contact portion 2; Magnetic circuit part 1 comprises that bobbin 11, iron core 12, upper yoke 13, L-type yoke 14 and centre have the п type of permanent magnet or the armature component 15 of H type, and bobbin 11 is wound with coil 16; Armature component 15 consists of the first armature 151, permanent magnet 152 and the second armature 153, and the present embodiment is the п type, certainly, also can be the H type; Contact portion 2 comprises movable contact spring 21 and quiet spring 22, and quiet spring 22, movable contact spring 21 are inserted into respectively in base 4 guide grooves fixing; Described iron core 12 is inserted in bobbin 11 and makes the axis of iron core 12 vertical with base 4, and level one side 141 of upper yoke 13 and L-type yoke 14 is connected to the upper and lower side of iron core 12; Described armature component is contained in push card, and the first armature 151 that makes a wherein side of armature component 15 is between vertical one side 142 of yoke 13 and L-type yoke, described the first armature 151 is affixed to yoke 13 when the actuating of relay, and described the first armature 151 is affixed to vertical one side 142 of L-type yoke when relay resets.
Described upper yoke 13, L-type yoke 14 and iron core 12 are respectively independently part, between upper yoke 13 and iron core 12 and between L-type yoke 14 and iron core 12, are respectively riveted joint and fix.
Described armature component 15 is installed on the middle part of push card 3, and an end of described push card 3 can be along the top that is connected to horizontally slidingly bobbin 11, and the other end of push card 3 matches with contact portion 2; The middle part of push card 3 is provided with buckling groove 31, and armature component 15 is contained in buckling groove 31, in buckling groove 31, is provided with some raised lines 311 and is used for interference armature component 15 is installed.
The top of described bobbin 11 is provided with the draw-in groove 111 along horizontal direction, and an end of described push card 3 is provided with the card convex 32 that can match with the draw-in groove of bobbin.
The bottom of one end of described push card 3 is provided with to the holding tank 33 be recessed on, the holding tank of push card 3 is enclosed within the top of bobbin 11, the both sides on the top of described bobbin are respectively equipped with a clamp bar slot 111, the both sides cell wall of the holding tank 33 of push card has protruded out card convex 32 respectively in groove, two card convexs 32 of push card fit in respectively in two clamp bar slots 111 of bobbin.
Described bobbin includes epipleural 112, and described draw-in groove 111 is located in epipleural 112, and the one side 113 of epipleural 112 is made as the locating surface on vertical one side 142 of L-type yoke.
The other end of described push card 3 is provided with bayonet socket 34, the mid portion of the head of the movable contact spring 21 of contact portion is made as the first kink 211 of 90 ° of bendings, the both sides part of the head of the movable contact spring of contact portion is made as the second kink 212 of 90 ° of inverse bendings, and the first kink 211 of movable contact spring and the second kink 212 are engaged in respectively the upper and lower sides of bayonet socket 34; The first kink 211 that movable contact spring head mid portion arranges, can link together with the bayonet socket 34 of the push card other end, the second kink 212 that the both sides of movable contact spring head arrange, hold up the other end of push card 3, thereby carry out spacing to this termination of push card 3.
The integrative-structure that described bobbin 11 and base 4 are made for the plastic shaping mode, described base be provided with to pack into the fluting 41 on level one side of L-type yoke, the cell wall of fluting is provided with to locate some convex tendons 42 of L-type yoke; The L-type yoke by slot 41 and the one side 113 of epipleural 112 position;
The fluting of described base also is equipped with cover plate 43, on cover plate, is provided with projection 431; Cover plate 43, for will to bottom, placing the breach sealing of L shaped yoke, is provided with the moving projection 431 of restriction solation on cover plate 43, thus control point glue.
A kind of small size magnetic of the present utility model keeps power relay, at the operating position place, the first armature 151 of magnetic pole one side and upper yoke 13 end face laminatings, the second armature 152 and 14 laminatings of L shaped yoke of magnetic pole opposite side, " permanent magnet 152---the first armature 151---air gap between the first armature and upper yoke---upper yoke 13---iron core 12---L shaped yoke 14---air gap between L shaped yoke and the second armature---second armature 153---permanent magnet 152 " the formation closed-loop path, can produce larger suction, make normally opened contact stably remain on make position, the involution position, the first armature 151 and 14 laminatings of L shaped yoke, the second armature 153 is unsettled, " permanent magnet 152---the first armature 151---air gap between the first armature and L shaped yoke---L shaped yoke 14---air gap between L shaped yoke and the second armature---second armature 153---permanent magnet 152 " form loop, permanent magnet 152 produces and is enough to make push card to remain on the suction of involution position in 14 joint places of the first armature 151 and L shaped yoke.When coil being applied to the action pumping signal, the suction at the air gap place between the first armature 151 and upper yoke 13 increases, the suction at the air gap place between the first armature 151 and L shaped yoke 14 reduces, due to both opposite directions, therefore when the air gap place suction between the first armature 151 and upper yoke 13 is greater than the suction at the air gap place between the first armature 151 and L shaped yoke 14, the movable member drive movable contact spring 21 be comprised of armature component 15 and push card 3 moves to operating position by the involution position, after removing coil stimulating, the suction that permanent magnet 152 produces makes movable member remain on operating position, when coil is applied to the involution pumping signal, the suction at the air gap place between the air gap between the first armature 151 and upper yoke 13, L shaped yoke 14 and the second armature 152 starts to reduce, when two air gap place suction are reduced to while being less than the counter-force that 21 pairs of push card 3 of movable contact spring apply, movable member turns back to the involution position by operating position under the effect of movable contact spring 21.
Above-described embodiment only is used for further illustrating a kind of small size magnetic of the present utility model and keeps power relay; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model, to any simple modification, equivalent variations and modification that above embodiment does, all falls in the protection range of technical solutions of the utility model.
Claims (9)
1. a small size magnetic keeps power relay, comprises magnetic circuit part, contact portion, push card and base; Magnetic circuit part and contact portion are contained in respectively the two ends alongst of base; Push card is connected between magnetic circuit part and contact portion; Magnetic circuit part comprises that bobbin, iron core, upper yoke, L-type yoke and centre have the п type of permanent magnet or the armature component of H type; It is characterized in that: described iron core is inserted in bobbin and makes the axis of iron core vertical with base, on one side the level of upper yoke and L-type yoke is connected to the upper and lower side of iron core; Described armature component is contained in push card, and the first armature that makes a wherein side of armature component is between vertical one side of yoke and L-type yoke, described the first armature is affixed to yoke when the actuating of relay, and described the first armature is affixed to vertical one side of L-type yoke when relay resets.
2. small size magnetic according to claim 1 keeps power relay, and it is characterized in that: described upper yoke, L-type yoke and iron core are respectively independently part, between upper yoke and iron core and between L-type yoke and iron core, is respectively riveted joint and fixes.
3. small size magnetic according to claim 1 keeps power relay, it is characterized in that: described armature component is installed on the middle part of push card, one end of described push card can be along the top that is connected to horizontally slidingly bobbin, and the other end of push card matches with contact portion.
4. small size magnetic according to claim 3 keeps power relay, and it is characterized in that: the top of described bobbin is provided with the draw-in groove along horizontal direction, and an end of described push card is provided with the card convex that can match with the draw-in groove of bobbin.
5. small size magnetic according to claim 4 keeps power relay, it is characterized in that: the bottom of an end of described push card is provided with to the holding tank be recessed on, the holding tank of push card is enclosed within the top of bobbin, the both sides on the top of described bobbin are respectively equipped with a clamp bar slot, the both sides cell wall of the holding tank of push card has protruded out card convex respectively in groove, two card convexs of push card fit in respectively in two clamp bar slots of bobbin.
6. according to the described small size magnetic of claim 4 or 5, keep power relay, it is characterized in that: described bobbin includes epipleural, and described draw-in groove is located in epipleural, and the one side of epipleural is made as the locating surface on vertical one side of L-type yoke.
7. small size magnetic according to claim 1 keeps power relay, it is characterized in that: the other end of described push card is provided with bayonet socket, the mid portion of the head of the movable contact spring of contact portion is made as the first kink of 90 ° of bendings, the both sides part of the head of the movable contact spring of contact portion is made as the second kink of 90 ° of inverse bendings, and the first kink of movable contact spring and the second kink are engaged in respectively the upper and lower sides of bayonet socket.
8. small size magnetic according to claim 1 keeps power relay, it is characterized in that: described bobbin and base are the integrative-structure that the plastic shaping mode is made, described base be provided with to pack into the level fluting on one side of L-type yoke, the cell wall of fluting is provided with to locate some convex tendons of L-type yoke.
9. small size magnetic according to claim 8 keeps power relay, and it is characterized in that: the fluting of described base also is equipped with cover plate, on cover plate, is provided with projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203110235U CN203312183U (en) | 2013-05-31 | 2013-05-31 | Small-size magnetic latching power relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203110235U CN203312183U (en) | 2013-05-31 | 2013-05-31 | Small-size magnetic latching power relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203312183U true CN203312183U (en) | 2013-11-27 |
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ID=49618370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203110235U Expired - Lifetime CN203312183U (en) | 2013-05-31 | 2013-05-31 | Small-size magnetic latching power relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203312183U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367046A (en) * | 2013-05-31 | 2013-10-23 | 厦门宏发电声股份有限公司 | Small-size magnetic latching power relay |
| CN104867783A (en) * | 2014-02-21 | 2015-08-26 | 深圳市深继电器有限公司 | Miniature mute low-power electromagnetic relay |
-
2013
- 2013-05-31 CN CN2013203110235U patent/CN203312183U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367046A (en) * | 2013-05-31 | 2013-10-23 | 厦门宏发电声股份有限公司 | Small-size magnetic latching power relay |
| CN103367046B (en) * | 2013-05-31 | 2016-08-24 | 漳州宏发电声有限公司 | A kind of small size magnetic keeps power relay |
| CN104867783A (en) * | 2014-02-21 | 2015-08-26 | 深圳市深继电器有限公司 | Miniature mute low-power electromagnetic relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |