CN105470048A - Magnetic latching relay - Google Patents
Magnetic latching relay Download PDFInfo
- Publication number
- CN105470048A CN105470048A CN201610015713.4A CN201610015713A CN105470048A CN 105470048 A CN105470048 A CN 105470048A CN 201610015713 A CN201610015713 A CN 201610015713A CN 105470048 A CN105470048 A CN 105470048A
- Authority
- CN
- China
- Prior art keywords
- monitoring
- still
- push card
- magnetic latching
- skeleton
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
Abstract
The invention discloses a magnetic latching relay. The magnetic latching relay comprises a shell, wherein a coil assembly, a conductive plate and a static plate are arranged in the shell, opposite front surfaces of the conductive plate and the static plate are both provided with a spring sheet assembly, each spring sheet assembly comprises a spring sheet, a breaking piece and a contact point, the breaking piece is arranged on the spring sheet, the contact point is arranged on the breaking piece, a push clamp is arranged in the shell and clamped on the coil assembly, the contact point on the spring sheet assembly on the conductive plate and the contact point on the spring sheet assembly on the static plate are in contact when the relay is closed, the push clamp moves along the axial line direction of the static plate and is inserted between the breaking piece in the spring sheet assembly on the conductive plate and the breaking piece in the spring sheet assembly on the static plate when the relay is opened, and the contact point in the spring sheet assembly on the conductive plate and the contact point in the spring sheet assembly on the static piece are separated. The magnetic latching relay is high in reliability, the opening and closing states of the contact points of the relay can be monitored, so that an external display device connected with the magnetic latching relay can be used for displaying the state of the magnetic latching relay at an opened or closed state, and the personal safety of an operator during the installation or maintenance process of an electric meter is ensured.
Description
Technical field
The present invention relates to a kind of relay technical field, specifically a kind of magnetic latching relay.
Background technology
A kind of electronic control device of magnetic latching relay; closed or the magnetic force that only produced by permanent magnet of off-state kept; a kind of electric control device that conversion between closed, off-state only relies on the forward dc of one fixed width or oppositely causes linkage part action after DC pulse voltage excitation coil and complete; play the effects such as automatic adjustment, safeguard protection, change-over circuit in circuit, in the device such as be widely used in electric power protection, automation, motion, remote control, measurement and communicate.
Magnetic latching relay needs certain contact force, and guarantee contact is reliable and stable, and shell fragment bending part mainly first by shell fragment bending, is then carried out mechanical pressure when product action, and then obtains certain shell fragment pressure by prior art.But because the Stress Release, manufacture process, logistics transportation, mechanical shock etc. by self affects, cause shell fragment distortion, and then elastic force changes, affect the consistency of product, contact even can be caused without pressure, and make product complete failure.Be used for oppressing the push card of shell fragment, in product stability lifting, also play very important effect.And traditional snap-in design, push card often well can not carry out the separation of contact, or service time long afterwards shell fragment easily promote elasticity, cause well closing.And traditional magnetic latching relay also lacks monitoring function, directly effectively cannot learn that it is closed, disconnection.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of closed reliable and stable, and can the magnetic latching relay of opening and closing state of contact of control relay.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme:
A kind of magnetic latching relay, comprise housing, coil block, conducting strip and still is equiped with in this housing, the just right surface of conducting strip and still is all equiped with spring assembly, this spring assembly comprises reed, is contained in breaking sheet and being contained in the contact of breaking on sheet on reed, be provided with push card in described housing, this push card is installed on coil block; Contact in contact during relay closes in conducting strip upper reed plate assembly and still upper reed plate assembly contacts with each other; When relay disconnects, push card moves to insert along still axis direction and breaks breaking between sheet in sheet and still upper reed plate assembly in conducting strip upper reed plate assembly, and makes the contact in conducting strip upper reed plate assembly and the contact in still upper reed plate assembly separately.
Be provided with reseting shrapnel in described housing, this reseting shrapnel to be arranged on still and to act in push card.
Described push card is provided with the tapered end for inserting between the spring assembly on conducting strip and the spring assembly on still.
Described push card comprises plastic casing and is located at the reinforced sheet in this plastic casing, and tapered end is arranged on plastic casing.
Also be installed with pilot switch assembly in described housing, this pilot switch assembly comprises monitoring moving plate, monitoring and dynamic to select, monitor still and monitoring dead point, and the dynamic point of monitoring is contained on monitoring moving plate, and monitoring dead point is contained in be monitored on still; During relay closes, the dynamic point of this monitoring contacts with each other with monitoring dead point; When push card inserts the chien shih relay disconnection of conducting strip and still, this push card pushes monitoring moving plate open simultaneously makes the dynamic point of monitoring separate with monitoring dead point.
Described monitoring moving plate and monitoring still are bending metal clips, and the dynamic point of monitoring and monitoring dead point are hard contact.
Described coil block comprises yoke, iron core, retaining screw, terminal pin, magnet, armature and skeleton, skeleton outer wall is wound with coil, skeleton is placed in yoke, iron core is contained in yoke front portion and is sleeved in skeleton, retaining screw is contained in yoke afterbody, and magnet cartridge is in skeleton front portion, and terminal pin is contained in skeleton afterbody, armature to be movably arranged in skeleton and the bare front end of this armature at skeleton outward and point to retaining screw, push card is installed on exposed armature outside skeleton.
Described armature front end is provided with cannelure, and push card is provided with groove, and the groove of push card is fastened on the cannelure of armature.
It is high that the present invention closes reliability, push card is utilized effectively to disconnect, and pilot switch assembly is set by increase, and this pilot switch assembly is connected with outside display unit, the opening and closing state of contact can be monitored, make exterior display device can show relay and be in state that is closed or that open, ensure the personal safety of operator in ammeter installation or maintenance process.
Accompanying drawing explanation
Accompanying drawing 1 is perspective view of the present invention;
Accompanying drawing 2 is push card decomposing state structural representation of the present invention;
Accompanying drawing 3 is pilot switch assembly perspective view of the present invention;
Accompanying drawing 4 is the perspective view of coil block of the present invention;
Accompanying drawing 5 is the decomposing state structural representation of coil block of the present invention;
Accompanying drawing 6 is in the structural representation of closure state for the present invention;
Accompanying drawing 7 is in the structural representation of off-state for the present invention.
1-housing, 2-coil block, 3-push card, 4-conducting strip, 5-still, 6-reed, 7-breaks sheet, 8-contact, 9-reseting shrapnel, 10-pilot switch assembly, 21-yoke, 22-iron core, 23-retaining screw, 24-terminal pin, 25-magnet, 26-armature, 27-skeleton, 28-coil, 261-cannelure, 31-reinforced sheet, 32-plastic casing, the tapered end of 33-push card, the groove in 34-push card.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described.
As shown in accompanying drawing 1 ~ 5, present invention is disclosed a kind of magnetic latching relay, comprise housing 1, coil block 2, conducting strip 4 and still 5 is equiped with in this housing 1, conducting strip 4 and the just right surface of still 5 are all equiped with spring assembly, this spring assembly comprises reed 6, is contained in breaking sheet 7 and being contained in the contact 8 of breaking on sheet 7 on reed 6, wherein breaking sheet 7 is riveted on reed 6, contact 8 is riveted on breaks on sheet 7 and reed 6, be provided with push card 3 in housing 1, this push card 3 is installed on coil block 2; Contact in contact during relay closes in conducting strip 4 upper reed plate assembly and still 5 upper reed plate assembly contacts with each other; When relay disconnects, push card moves to insert along still axis direction and breaks breaking between sheet in sheet and still upper reed plate assembly in conducting strip upper reed plate assembly, and makes the contact in conducting strip upper reed plate assembly and the contact in still upper reed plate assembly separately.Push card is that insulating material is made, and this is common practise, is not described in detail in this.For the spring assembly that conducting strip is installed, reed is wherein riveted on conducting strip.For the spring assembly that still is installed, reed is wherein riveted on still.Conducting strip and electrostatic sheet all form a kind of " Z " character form structure state after installation reed assembly.Break sheet and be provided with bending projection, be convenient to the engaging of push card fork, this is this area routine techniques means, is not described in detail in this.The mobile alignment of push card moves along still axis direction, or perhaps move along the axis direction breaking sheet, makes to break after sheet is diverged and effectively can reply initial position, ensures the closed of the contact on conducting strip and still, improve closed reliability.
In housing 1, be provided with reseting shrapnel 9, this reseting shrapnel 9 to be arranged on still 5 and to act in push card 3.Push card 3 can be subject to the stop of this reseting shrapnel 9 when sheet 7 moves to breaking, along with the lasting movement of push card 3, reseting spring leaf 9 is pushed card 3 and oppresses distortion, until the chien shih relay breaking sheet that push card 3 is inserted on conducting strip 4 and still 5 disconnects, now reseting shrapnel is pushed card and farthest oppresses distortion.When relay is again closed, push card exits and the resilience force being subject to reseting shrapnel easily resets.
Push card 3 is provided with the tapered end 33 between the spring assembly for inserting on conducting strip 4 and still 5, breaking between sheet on the insertion conducting strip utilizing this tapered end to be more prone to and still.The reinforced sheet 31 that push card 3 comprises plastic casing 32 and is located in this plastic casing 32, tapered end 33 is arranged on plastic casing 32, is molded directly within plastic casing in the process that reinforced sheet can be processed.
In addition, pilot switch assembly 10 is also installed with in housing 1, this pilot switch assembly 10 comprises that monitoring moving plate 102, monitoring dynamic selects 101, monitoring still 103 and monitoring dead point 104, and the dynamic point 101 of monitoring is contained on monitoring moving plate 102, and monitoring dead point 103 is contained in be monitored on still 104; During relay closes, the dynamic point 101 of this monitoring contacts with each other with monitoring dead point 103; When push card 3 inserts the chien shih relay disconnection of conducting strip 4 and still 5, this push card pushes monitoring moving plate open simultaneously makes the dynamic point of monitoring separate with monitoring dead point.Monitoring moving plate and monitoring still are bending metal clips, and the dynamic point of monitoring and monitoring dead point are hard contact, can conduct electricity.When push card returns again after being pushed open by monitoring moving plate, monitoring moving plate can automatic rebounding, makes to monitor dynamic point and again contacts with monitoring dead point.This pilot switch assembly is connected with extraneous display unit, for closed, the off-state of control relay, and according to the dynamic point of monitoring with monitor dead point whether close realize the monitoring to the closing of relay, off-state.Specifically, when monitoring dynamic point and contacting closed with monitoring dead point, now represent that relay is also in closure state, extraneous display unit then shows this relay and is in closure state; When monitor moving plate be pushed card push open cause the dynamic point of monitoring and monitoring dead point to separate no longer to contact time, now expression relay is in off-state, and extraneous display unit then shows this relay and is in off-state.Work is checked in the maintenance being convenient to staff.
In addition, coil block 2 comprises yoke 21, iron core 22, retaining screw 23, terminal pin 24, magnet 25, armature 26 and skeleton 27, skeleton 27 outer wall is wound with coil 28, skeleton 27 is placed in yoke 21, iron core 22 is contained in yoke 21 front portion and is sleeved in skeleton 27, retaining screw 23 is contained in yoke 21 afterbody, magnet 25 is contained in skeleton 27 front portion, terminal pin 24 is contained in skeleton 27 afterbody, armature 26 is movably arranged in skeleton 27 and the bare front end of this armature 26 is outer and point to retaining screw 23 at skeleton 27, and push card 3 is installed on exposed armature 26 outside skeleton 27.Armature 26 front end is provided with cannelure 264, and push card 3 is provided with groove 34, and the groove 34 of push card 3 is fastened on the cannelure 261 of armature 26.The activity that is installed as between push card and armature clamps.In coil block, pass into forward or reverse electric current, be then with moving armature move towards iron core direction or move away from iron core direction, thus drive the movement of push card.
In the present invention, pilot switch assembly is connected with extraneous display unit.As shown in Figure 1, relay is in closure state.Under this state, assuming that the position of push card is initial position, the contact on conducting strip and the contact on still contact with each other laminating, on conducting strip break on sheet and still to break sheet also close to each other., the dynamic point of monitoring simultaneously and monitoring dead point also contact with each other laminating.
As shown in accompanying drawing 4,5 and 7, when relay is converted to off-state by closure state, be energized to coil block 2, armature 26 moves to iron core 22 direction, and armature drives push card 3 to move to breaking sheet direction in the process of movement.Push card 3 is compressing involution position shell fragment 9 in the process breaking sheet movement, along with the lasting movement of push card, the tapered end chien shih breaking sheet these two broken on sheet and still inserted on conducting strip of final push card 3 breaks sheet separately, thus the reed on conducting strip and the reed on still also oppressed and mutually away from, and then make the contact on conducting strip separately no longer contact laminating with the contact on still.Push card in the process breaking sheet movement simultaneously group push the monitoring moving plate 102 on pilot switch assembly 10 open, monitoring on monitoring moving plate 102 is moved select 101 separate with the monitoring dead point 103 on monitoring still 104 not contact, reach the object of monitoring relay disconnection.When monitor dynamic point and monitoring dead point separate do not contact time, the display unit in the external world shows that this relay is current is in off-state.
Shown in figure 4,5 and 6, when relay is converted to closure state by off-state, to be energized to coil block 2 and under the effect of the restoring force of reseting shrapnel 9, armature 26 moves to away from iron core 22 direction, namely move away from breaking sheet direction, armature drives push card 3 to move along away from breaking sheet direction simultaneously.Along with the lasting movement of push card, the tapered end of push card 3 is away from breaking sheet 7, and the reed on conducting strip and the reed on still are replied because of its own resilient, and the contact on conducting strip and the contact on still contact with each other laminating again.Push card 3 is away from the monitoring moving plate 102 on pilot switch assembly 10 simultaneously, and monitoring moving plate 102 is returned to initial position, and the dynamic point 101 of monitoring and monitoring dead point 103 to again contacting fit-state, reach the object that monitoring relay is closed by separated position.When monitoring dynamic point and contacting with monitoring dead point, the display unit in the external world shows that this relay is current is in closure state.
In addition, relay disconnects with when closing, only need the electric current passing into forwards/reverse to coil block, utilize forward dc or reverse DC pulse voltage excitation coil band moving armature along close iron core or move away from the direction of iron core, thus the different directions realizing push card moves.
It should be noted that, the above is not the restriction to technical solution of the present invention, and under the prerequisite not departing from creation design of the present invention, any apparent replacement is all within protection scope of the present invention.
Claims (8)
1. a magnetic latching relay, comprise housing, coil block, conducting strip and still is equiped with in this housing, the just right surface of conducting strip and still is all equiped with spring assembly, this spring assembly comprises reed, is contained in breaking sheet and being contained in the contact of breaking on sheet on reed, it is characterized in that, be provided with push card in described housing, this push card is installed on coil block;
Contact in contact during relay closes in conducting strip upper reed plate assembly and still upper reed plate assembly contacts with each other;
When relay disconnects, push card moves to insert along still axis direction and breaks breaking between sheet in sheet and still upper reed plate assembly in conducting strip upper reed plate assembly, and makes the contact in conducting strip upper reed plate assembly and the contact in still upper reed plate assembly separately.
2. magnetic latching relay according to claim 1, is characterized in that, is provided with reseting shrapnel in described housing, and this reseting shrapnel to be arranged on still and to act in push card.
3. magnetic latching relay according to claim 2, is characterized in that, described push card is provided with the tapered end for inserting between the spring assembly on conducting strip and the spring assembly on still.
4. magnetic latching relay according to claim 3, is characterized in that, described push card comprises plastic casing and is located at the reinforced sheet in this plastic casing, and tapered end is arranged on plastic casing.
5. the magnetic latching relay according to any one of Claims 1 to 4, it is characterized in that, pilot switch assembly is also installed with in described housing, this pilot switch assembly comprises monitoring moving plate, monitoring and dynamic to select, monitor still and monitor dead point, the dynamic point of monitoring is contained on monitoring moving plate, and monitoring dead point is contained on monitoring still;
During relay closes, the dynamic point of this monitoring contacts with each other with monitoring dead point;
When push card inserts the chien shih relay disconnection of conducting strip and still, this push card pushes monitoring moving plate open simultaneously makes the dynamic point of monitoring separate with monitoring dead point.
6. magnetic latching relay according to claim 5, is characterized in that, described monitoring moving plate and monitoring still are bending metal clips, and the dynamic point of monitoring and monitoring dead point are hard contact.
7. magnetic latching relay according to claim 6, it is characterized in that, described coil block comprises yoke, iron core, retaining screw, terminal pin, magnet, armature and skeleton, skeleton outer wall is wound with coil, skeleton is placed in yoke, iron core is contained in yoke front portion and is sleeved in skeleton, retaining screw is contained in yoke afterbody, magnet cartridge is in skeleton front portion, terminal pin is contained in skeleton afterbody, armature to be movably arranged in skeleton and the bare front end of this armature at skeleton outward and point to retaining screw, push card is installed on exposed armature outside skeleton.
8. magnetic latching relay according to claim 7, is characterized in that, described armature front end is provided with cannelure, and push card is provided with groove, and the groove of push card is fastened on the cannelure of armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015713.4A CN105470048A (en) | 2016-01-12 | 2016-01-12 | Magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610015713.4A CN105470048A (en) | 2016-01-12 | 2016-01-12 | Magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105470048A true CN105470048A (en) | 2016-04-06 |
Family
ID=55607643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610015713.4A Pending CN105470048A (en) | 2016-01-12 | 2016-01-12 | Magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105470048A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772023A (en) * | 2017-03-02 | 2017-05-31 | 南京南瑞继保电气有限公司 | It is a kind of to avoid the relay test system of magnetic interference based on improving guide rail |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202678227U (en) * | 2012-06-15 | 2013-01-16 | 东莞市三友联众电器有限公司 | Three-closing force magnetic latching relay capable of monitoring open/closed states of movable and static contacts |
| CN202678234U (en) * | 2012-06-15 | 2013-01-16 | 东莞市三友联众电器有限公司 | Combined push-clamp double-spring magnetic latching relay |
| US20130257566A1 (en) * | 2012-03-30 | 2013-10-03 | Fujitsu Componet Limited | Polarized electromagnetic relay |
| CN103531379A (en) * | 2013-10-23 | 2014-01-22 | 通能顺达科技国际有限公司 | Synchronous insulation separation power switch device |
| CN203415504U (en) * | 2013-06-14 | 2014-01-29 | 东莞市三友联众电器有限公司 | A relay contact system |
-
2016
- 2016-01-12 CN CN201610015713.4A patent/CN105470048A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130257566A1 (en) * | 2012-03-30 | 2013-10-03 | Fujitsu Componet Limited | Polarized electromagnetic relay |
| CN202678227U (en) * | 2012-06-15 | 2013-01-16 | 东莞市三友联众电器有限公司 | Three-closing force magnetic latching relay capable of monitoring open/closed states of movable and static contacts |
| CN202678234U (en) * | 2012-06-15 | 2013-01-16 | 东莞市三友联众电器有限公司 | Combined push-clamp double-spring magnetic latching relay |
| CN203415504U (en) * | 2013-06-14 | 2014-01-29 | 东莞市三友联众电器有限公司 | A relay contact system |
| CN103531379A (en) * | 2013-10-23 | 2014-01-22 | 通能顺达科技国际有限公司 | Synchronous insulation separation power switch device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106772023A (en) * | 2017-03-02 | 2017-05-31 | 南京南瑞继保电气有限公司 | It is a kind of to avoid the relay test system of magnetic interference based on improving guide rail |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 523000 No. two, No. 27, Putian Lake Center, Tangxia Town, Guangdong, Dongguan Applicant after: Lianzhong Sanyou group Limited by Share Ltd Address before: 523000, No. 62, Putian West Road, Pu Zhen Lake community, Tangxia Town, Dongguan, Guangdong Applicant before: Dongguan Sanyou Electrical Appliances Co., Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |
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| RJ01 | Rejection of invention patent application after publication |