CN104319200B - Double-action electromagnetic trip - Google Patents
Double-action electromagnetic trip Download PDFInfo
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- CN104319200B CN104319200B CN201410544740.1A CN201410544740A CN104319200B CN 104319200 B CN104319200 B CN 104319200B CN 201410544740 A CN201410544740 A CN 201410544740A CN 104319200 B CN104319200 B CN 104319200B
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- iron core
- push rod
- moves
- installation cavity
- interior
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Electromagnetism (AREA)
- Electromagnets (AREA)
Abstract
nullThe present invention relates to a kind of double-action electromagnetic trip，Including skeleton、Current coil、Potential winding、Static iron core、First moves iron core、Second moves iron core and for carrying out, with other mechanisms linkages, the push rod threaded off，Installation cavity is set in skeleton，Static iron core、First moves iron core and second moves iron core and is installed on successively in installation cavity，Static iron core is fixedly installed in installation cavity，First moves iron core and second moves iron core sliding and is installed in installation cavity，Potential winding and current coil are fixedly installed on skeleton outer peripheral face，Skeleton、Static iron core and first moves iron core and coaxially and is respectively arranged with support holes and constitutes the sliding chamber of push rod，Push rod is made up of interior push rod and outer push rod，Outer push rod is provided centrally with the push rod chamber for interior push rod axial slip，Interior push rod moves iron core linkage towards the second end moving iron core with second，Outer push rod moves iron core linkage towards the first end moving iron core with first.Use such scheme, the present invention provide a kind of be swift in response, highly sensitive double-action electromagnetic trip.
Description
Technical field
The present invention relates to a kind of electrical apparatus release, be specifically related to a kind of double-action electromagnetic trip.
Background technology
Electrical apparatus release is a kind of to be installed on chopper or overall with chopper composition, in order to release holding mechanism the device that makes chopper automatically disconnect.In normal work, the magnetictrip often coordinating two set difference in functionalitys realizes two kinds of trip action, the most a set of for current mode magnetictrip, another set of for voltage-type magnetictrip, these two kinds of magnetictrips have independent casing and arrange and the action component in casing, cause both to cause that space in distribution box is crowded, it is complicated to install because taking excessive space.
nullFor solving the problems referred to above，The patent documentation of Application No. CN201310297844.2 discloses a kind of double-action electromagnetic trip，Including skeleton、Current coil、Potential winding、Static iron core、First moves iron core、Second moves iron core and carries out the push rod threaded off for the linkage of other mechanisms，Skeleton is the tubular element of hollow and includes the first skeleton and the second skeleton，First skeleton and the coaxial inserting of the second skeleton arrange and constitute the installation cavity being connected，First moves iron core sliding in the first intraskeletal installation cavity，Current coil is sheathed on outside the first skeleton，Second moves iron core sliding in the first intraskeletal installation cavity，Potential winding is sheathed on outside the first skeleton，Static iron core is fixedly installed in the installation cavity of the first skeleton and is positioned at second and moves iron core relative to first other end moving iron core，Push rod moves iron core through first、Second moves iron core and static iron core，The periphery of this push rod be respectively arranged with first move iron core and second move iron core support join constitute linkage step，And step moves iron core relative to first and the second other end moving iron core is provided with the back-moving spring for resetting，When electric current is sufficiently large, first moves iron core and second and moves between iron core or first move the magnetic field force that iron core and static iron core produce and overcome the reset force of back-moving spring that push rod is released installation cavity to realize trip action，But the double-action electromagnetic trip of this structure is owing to being axially arranged along push rod，Necessarily have a dynamic iron core and be positioned at another dynamic iron core other end relative to push rod release end，So away from push rod release end dynamic iron core farther out overcome same step back-moving spring reset force simultaneously need to overcome another dynamic iron core that resets the reset force of back-moving spring，This just makes this dynamic iron core sensitivity when initial be substantially reduced，Add the response time.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of be swift in response, highly sensitive double-action electromagnetic trip.
nullFor achieving the above object，The technical scheme is that and include skeleton、Current coil、Potential winding、Static iron core、First moves iron core、Second moves iron core and for carrying out, with other mechanisms linkages, the push rod threaded off，In described skeleton, installation cavity is set，Described static iron core、First moves iron core and second moves iron core and is installed on successively in installation cavity，Described static iron core is fixedly installed in installation cavity，Described first moves iron core and second and moves iron core sliding and be installed in installation cavity，Described potential winding is fixedly installed on skeleton outer peripheral face and moves, with second, the position that iron core is corresponding，Described current coil is fixedly installed on skeleton outer peripheral face and moves, with first, the position that iron core is corresponding，Described skeleton、Static iron core and first moves iron core and coaxially and is separately provided for wearing the support holes of push rod and constitutes sliding chamber for its axial slip suitable with push rod shape，It is characterized in that: described push rod is made up of the interior push rod being coaxially disposed and outer push rod，Described outer push rod is provided centrally with push rod chamber for interior push rod axial slip suitable with interior push rod shape，Described interior push rod moves the end of iron core towards second and moves iron core with second and offset and join composition linkage and be provided with interior push rod to the second interior push rod resetting-mechanism moving plunger return，Described outer push rod moves the end of iron core towards first and moves iron core with first and offset and join composition linkage and be provided with outer push rod to the second outer push rod resetting-mechanism moving plunger return.
By using technique scheme, it is interior push rod and outer push rod by push rod split, when circuit occurs short circuit, current coil works, outer push rod is realized trip action to installation cavity extrapolation by the first magnetic field force moving iron core and static iron core generation, when there is electric leakage in circuit, potential winding works, second move iron core and first move iron core produce magnetic field force by interior push rod to installation cavity extrapolation realize trip action, constitute the linkage structure that two sets are separate, such second moves iron core is overcoming the reset force of interior push rod resetting-mechanism simultaneously without overcoming the reset force of outer push rod resetting-mechanism, making second, to move the reaction rate of iron core generation action quicker, arrive push rod in promoting in time and quickly and constitute the position of trip action.
The present invention is further arranged to: it is corresponding and move the first suitable installation cavity of core configuration and with second to move iron core sliding scope corresponding and move, for second, the second installation cavity that core configuration is suitable for first that described installation cavity includes moving iron core sliding scope with first, the area of section of the second described installation cavity is less than the first installation cavity, and the second described installation cavity and the joining place of the first installation cavity are provided with and move iron core by first and carry out the limited step of screens.
By using technique scheme, skeleton originally is divided into the first skeleton and the second skeleton, installation steps are complex, this detailed description of the invention can install first by the area of section of regulation installation cavity in the skeleton being wholely set move iron core and second and move iron core, and the limited step being positioned at the joining place of the second installation cavity and the first installation cavity is avoided first to move iron core surpassed distance entering the second installation cavity, in coordinating, push rod resetting-mechanism makes second to move iron core to install simpler and stable.
The present invention is further arranged to: the outer push rod back-moving spring that described outer push rod resetting-mechanism includes being arranged at the outer push rod outer push rod shirt rim towards the first end side face moving iron core and pressure is located between outer push rod shirt rim and static iron core, described first moves the iron core end face corresponding with outer push rod back-moving spring and be provided with first mounting groove suitable with outer push rod back-moving spring shape.
By using technique scheme, outer push rod back-moving spring external push rod after timely and quick push rod the most outside completes trip action and magnetic field force disappearance moves plunger return to first, directly pressure is located at Appropriate application existing structure between outer push rod shirt rim and static iron core, without additionally arranging other mating components, arranging the first mounting groove makes outer push rod back-moving spring stably to install and stable flexible, it is to avoid swing.
The present invention is further arranged to: described interior push rod resetting-mechanism includes being arranged at the interior push rod interior push rod shirt rim towards the second end side face moving iron core and pressure is located at the interior push rod back-moving spring that interior push rod shirt rim and first is moved between iron core, and described first moves the iron core end face corresponding with interior push rod back-moving spring and be provided with second mounting groove suitable with interior push rod back-moving spring shape.
By using technique scheme, for in time and quickly after interior push rod completes trip action and magnetic field force disappears, internal push rod moves plunger return to second to interior push rod back-moving spring, directly pressure is located at interior push rod shirt rim and first and is moved Appropriate application existing structure between iron core, without additionally arranging other mating components, and will be used for installing the second mounting groove of interior push rod back-moving spring and be used for installing the first mounting groove of outer push rod back-moving spring and concentrate and be opened in first and move iron core, it is easy to concentrated processing and improves efficiency of assembling, compare and will be opened in second before and move on iron core and static iron core, due to blind area, install the most laborious, such structure is improved and is more met practicality.
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the specific embodiment of the invention；
Fig. 2 is the sectional view of the specific embodiment of the invention.
Detailed description of the invention
nullAs shown in Fig. 1 Fig. 2，The invention discloses one and include skeleton 1、Current coil 2、Potential winding 3、Static iron core 4、First moves iron core 5、Second moves iron core 6 and for carrying out, with other mechanisms linkages, the push rod 7 threaded off，Installation cavity 11 is set in skeleton 1，Static iron core 4、First moves iron core 5 and second moves iron core 6 and is installed on successively in installation cavity 11，Static iron core 4 is fixedly installed in installation cavity 11，First moves iron core 5 and second moves iron core 6 sliding and is installed in installation cavity 11，Potential winding 3 is fixedly installed on skeleton 1 outer peripheral face and moves, with second, the position that iron core 6 is corresponding，Current coil 2 is fixedly installed on skeleton 1 outer peripheral face and moves, with first, the position that iron core 5 is corresponding，Skeleton 1、Static iron core 4 and first moves iron core 5 and coaxially and is separately provided for wearing the support holes 12 of push rod 7 and constitutes sliding chamber 13 for its axial slip suitable with push rod 7 shape，Push rod 7 is made up of the interior push rod 72 being coaxially disposed and outer push rod 71，Outer push rod 71 is provided centrally with push rod chamber 711 for interior push rod 72 axial slip suitable with interior push rod 72 shape，Interior push rod 72 moves the end of iron core 6 towards second and moves iron core 6 with second and offset and join composition linkage and be provided with to second, interior push rod 72 is moved the interior push rod resetting-mechanism that iron core 6 resets，Outer push rod 71 moves the end of iron core 5 towards first and moves iron core 5 with first and offset and join composition linkage and be provided with to second, outer push rod 71 is moved the outer push rod resetting-mechanism that iron core 6 resets，It is interior push rod 72 and outer push rod 71 by push rod 7 split，When circuit occurs short circuit，Current coil 2 works，Outer push rod 71 is realized trip action to installation cavity 11 extrapolation by the first magnetic field force moving iron core 5 and static iron core 4 generation，When there is electric leakage in circuit，Potential winding 3 works，Second move iron core 6 and first move iron core 5 produce magnetic field force by interior push rod 72 to installation cavity 11 extrapolation realize trip action，Constitute the linkage structure that two sets are separate，Such second moves iron core 6 is overcoming the reset force of interior push rod resetting-mechanism simultaneously without overcoming the reset force of outer push rod resetting-mechanism，Making second to move iron core 6, to produce the reaction rate of action quicker，Arrive push rod 72 in promoting in time and quickly and constitute the position of trip action.
nullIt is corresponding and move the first suitable installation cavity 111 of iron core 5 shape and with second to move iron core 6 sliding scope corresponding and move, for second, the second installation cavity 112 that iron core 6 shape is suitable for first that installation cavity 11 includes moving iron core 5 sliding scope with first，The area of section of the second installation cavity 112 is less than the first installation cavity 111，The joining place of the second installation cavity 112 and the first installation cavity 111 is provided with and moves iron core 5 by first and carry out the limited step 113 of screens，Skeleton originally is divided into the first skeleton and the second skeleton，Installation steps are complex，This detailed description of the invention can install first by the area of section of regulation installation cavity 11 in the skeleton 1 being wholely set move iron core 5 and second and move iron core 6，And the limited step 113 being positioned at the joining place of the second installation cavity 112 and the first installation cavity 111 is avoided first to move iron core 5 surpassed distance entering the second installation cavity 112，Coordinate interior push rod resetting-mechanism to make second to move iron core 6 and install simpler and stable，Seal in the specific embodiment of the invention, static iron core 4 is also installed on the first installation cavity 111 and with the cover plate 15 of band support holes.
Outer push rod resetting-mechanism includes being arranged at the outer push rod back-moving spring 713 that outer push rod 71 is located between outer push rod shirt rim 712 and static iron core 4 towards the outer push rod shirt rim 712 of the first end side face moving iron core 5 and pressure, first moves iron core 5 end face corresponding with outer push rod back-moving spring 713 is provided with first mounting groove suitable with outer push rod back-moving spring 713 shape, outer push rod back-moving spring 713 external push rod 71 after timely and quick push rod the most outside completes trip action and magnetic field force disappearance moves iron core 5 to first and resets, directly pressure is located at Appropriate application existing structure between outer push rod shirt rim 712 and static iron core 4, without additionally arranging other mating components, arranging the first mounting groove makes outer push rod back-moving spring 713 stably to install and stable flexible, avoid swinging.
nullInterior push rod resetting-mechanism includes that being arranged at interior push rod 72 is located at, towards the interior push rod shirt rim 721 of the second end side face moving iron core 6 and pressure, the interior push rod back-moving spring 722 that interior push rod shirt rim 721 and first is moved between iron core 5，First moves iron core 5 end face corresponding with interior push rod back-moving spring 722 is provided with second mounting groove suitable with interior push rod back-moving spring 722 shape，Interior push rod back-moving spring 722 in time and quickly after interior push rod completes trip action and magnetic field force disappears internally push rod 72 move iron core 6 to second and reset，Directly pressure is located at interior push rod shirt rim 721 and first and is moved Appropriate application existing structure between iron core 5，Without additionally arranging other mating components，And will be used for installing the second mounting groove of interior push rod back-moving spring 722 and be used for installing the first mounting groove of outer push rod back-moving spring 713 and concentrate and be opened in first and move iron core 5，It is easy to concentrated processing and improves efficiency of assembling，Compare and will be opened in second before and move on iron core and static iron core，Due to blind area，Install the most laborious，Such structure is improved and is more met practicality.
It is additionally provided with on skeleton 1 for carrying out, with chopper, the installing rack 14 that assembles.
Claims (4)
- null1. a double-action electromagnetic trip，Including skeleton、Current coil、Potential winding、Static iron core、First moves iron core、Second moves iron core and for carrying out, with other mechanisms linkages, the push rod threaded off，In described skeleton, installation cavity is set，Described static iron core、First moves iron core and second moves iron core and is installed on successively in installation cavity，Described static iron core is fixedly installed in installation cavity，Described first moves iron core and second and moves iron core sliding and be installed in installation cavity，Described potential winding is fixedly installed on skeleton outer peripheral face and moves, with second, the position that iron core is corresponding，Described current coil is fixedly installed on skeleton outer peripheral face and moves, with first, the position that iron core is corresponding，Described skeleton、Static iron core and first moves iron core and coaxially and is separately provided for wearing the support holes of push rod and constitutes sliding chamber for its axial slip suitable with push rod shape，It is characterized in that: described push rod is made up of the interior push rod being coaxially disposed and outer push rod，Described outer push rod is provided centrally with push rod chamber for interior push rod axial slip suitable with interior push rod shape，Described interior push rod moves the end of iron core towards second and moves iron core with second and offset and join composition linkage and be provided with interior push rod to the second interior push rod resetting-mechanism moving plunger return，Described outer push rod moves the end of iron core towards first and moves iron core with first and offset and join composition linkage and be provided with outer push rod to the second outer push rod resetting-mechanism moving plunger return.
- Double-action electromagnetic trip the most according to claim 1, it is characterized in that: it is corresponding and move the first suitable installation cavity of core configuration and with second to move iron core sliding scope corresponding and move, for second, the second installation cavity that core configuration is suitable for first that described installation cavity includes moving iron core sliding scope with first, the area of section of the second described installation cavity is less than the first installation cavity, and the second described installation cavity and the joining place of the first installation cavity are provided with and move iron core by first and carry out the limited step of screens.
- Double-action electromagnetic trip the most according to claim 2, it is characterized in that: the outer push rod back-moving spring that described outer push rod resetting-mechanism includes being arranged at the outer push rod outer push rod shirt rim towards the first end side face moving iron core and pressure is located between outer push rod shirt rim and static iron core, described first moves the iron core end face corresponding with outer push rod back-moving spring and be provided with first mounting groove suitable with outer push rod back-moving spring shape.
- 4. according to the double-action electromagnetic trip described in claim 1 or 2 or 3, it is characterized in that: described interior push rod resetting-mechanism includes being arranged at the interior push rod interior push rod shirt rim towards the second end side face moving iron core and pressure is located at the interior push rod back-moving spring that interior push rod shirt rim and first is moved between iron core, and described first moves the iron core end face corresponding with interior push rod back-moving spring and be provided with second mounting groove suitable with interior push rod back-moving spring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544740.1A CN104319200B (en) | 2014-10-15 | 2014-10-15 | Double-action electromagnetic trip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544740.1A CN104319200B (en) | 2014-10-15 | 2014-10-15 | Double-action electromagnetic trip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104319200A CN104319200A (en) | 2015-01-28 |
| CN104319200B true CN104319200B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410544740.1A Active CN104319200B (en) | 2014-10-15 | 2014-10-15 | Double-action electromagnetic trip |
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| CN (1) | CN104319200B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298380B (en) * | 2015-05-26 | 2019-10-18 | 施耐德电器工业公司 | Breaker with instruction leakage function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5276523B2 (en) * | 2009-06-08 | 2013-08-28 | 三菱電機株式会社 | Circuit breaker |
| CN103337423B (en) * | 2013-07-16 | 2015-11-18 | 浙江正泰电器股份有限公司 | Two action magnetictrip |
| CN204130480U (en) * | 2014-10-15 | 2015-01-28 | 张森林 | Two action magnetictrip |
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| CN104319200A (en) | 2015-01-28 |
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Effective date of registration: 20160804 Address after: 325000, No. 512, No. fifth, Binhai sixteen Road, Wenzhou economic and Technological Development Zone, Zhejiang, China Applicant after: WENZHOU AIKE ELECTRICAL APPLIANCES TECHNOLOGY CO., LTD. Address before: 325000 No. 67, Lane 23, Chen Chen Road, Lucheng District, Zhejiang, Wenzhou Applicant before: Zhang Senlin |
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