CN107331586A - Many gear dynamic iron core components and the magnetic tripping system for including many gear dynamic iron core components - Google Patents
Many gear dynamic iron core components and the magnetic tripping system for including many gear dynamic iron core components Download PDFInfo
- Publication number
- CN107331586A CN107331586A CN201710671950.0A CN201710671950A CN107331586A CN 107331586 A CN107331586 A CN 107331586A CN 201710671950 A CN201710671950 A CN 201710671950A CN 107331586 A CN107331586 A CN 107331586A
- Authority
- CN
- China
- Prior art keywords
- iron core
- dynamic iron
- many gear
- core components
- support arm
- 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.)
- Granted
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Classifications
-
- 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
- H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
- H01H71/7463—Adjusting only the electromagnetic mechanism
-
- 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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
Abstract
The present invention provides many gear dynamic iron core components and includes the magnetic tripping system of many gear dynamic iron core components, and many gear dynamic iron core components include adjusting lever and armature, and the side of the adjusting lever is from top to bottom sequentially provided with multiple lug bosses, and opposite side has spring shaft；The magnetic tripping system comprising many gear dynamic iron core components includes：Support, thermal element, bimetal leaf, static iron core and dynamic iron core component; the dynamic iron core component is many gear dynamic iron core components as described above; dynamic iron core component is rotatably installed on support by connecting shaft; gearshift is installed in the connecting shaft of dynamic iron core component lug boss side; the cooperation of wherein lug boss and gearshift enables to the present invention to realize gearshift function, so that the rated short circuit current protection value of such a dynamic iron core and magnetic tripping system is adjustable.
Description
Technical field
The present invention relates to the short circuit protection component of breaker of plastic casing, and in particular to many gears for breaker of plastic casing move iron
Core assembly and the magnetic tripping system for including many gear dynamic iron core components.
Background technology
Breaker of plastic casing can automatically cut off electric current after electric current exceedes escape setting, and it is exhausted that breaker of plastic casing includes plastics
Edge system into shell and be arranged at the control assembly of enclosure, breaker of plastic casing generally included overload delay protection and
Short-circuit two kinds of functions of instantaneous protection.Wherein short-circuit instantaneous protection, i.e., the electric current uprushed when short-circuit are so that dynamic in magnetic tripping system
Iron core and static iron core are attracted, promote draw bar to trigger free tripping mechanism release main contact, so that disconnecting circuit.
Dynamic iron core of the prior art generally uses single magnetic conductive metal, and the magnetic containing such a dynamic iron core, which is threaded off, is
System is generally clapped and formula or "T"-shaped suction and formula using " u "-shaped, but whether " u "-shaped is clapped and formula magnetic tripping system or "T"-shaped
The magnetic tripping system of suction and formula can all have the suction between leakage field, and the dynamic iron core and static iron core of such a magnetic tripping system
Force characteristic relatively flat, rated current protection value are single immutable, and dynamic iron core of the prior art and magnetic tripping system can not
Enough instantaneous values that different short circuit current flows are adapted to according to different situations.
The content of the invention
It is dynamic the invention provides a kind of many gears for breaker of plastic casing in order to solve the deficiencies in the prior art
Core assembly and the magnetic tripping system for including many gear dynamic iron core components.The rated current of such a dynamic iron core and magnetic tripping system
Protection value is realized adjustable.
The technical scheme provided according to the present invention, a kind of many gear dynamic iron core components, including adjusting lever and armature, the tune
The side of whole bar is from top to bottom sequentially provided with multiple lug bosses, and opposite side has spring shaft.
Further, the adjusting lever includes first support arm and the second support arm below first support arm, the armature
In second support arm；Shape is in an angle between first support arm and second support arm；The spring shaft is located at first support arm and the
The intersection of two support arms, multiple boss are in first support arm and second support arm flared end.
Further, the spring shaft is perpendicular to first support arm and the plane of second support arm formation.
Further, the spread geometry of the multiple lug boss is sector.
Further, the end of the spring shaft is provided with connecting hole.
A kind of magnetic tripping system for including many gear dynamic iron core components, including：Support, thermal element, bimetal leaf, static iron core
With dynamic iron core component, the dynamic iron core component is many gear dynamic iron core components as described above, and dynamic iron core component passes through connecting shaft
And the connecting hole of spring shaft end is rotatably installed on support, and gearshift is provided with spring shaft.
Further, the gearshift includes spring and shifting shaft；The shifting shaft is located at one end of spring simultaneously
With spring formation integrative-structure；The shifting shaft can rotate by axle of connecting shaft and being capable of contact adjusting bar side successively
Lug boss.
Further, the spring of gearshift includes torsion spring, and the two ends of torsion spring form torsion spring pin, and one end of torsion spring is close
Torsion spring pin and the shifting shaft of lug boss are connected as one, and the torsion spring pin of the torsion spring other end catches on support.
Further, the torsion spring can be along radial contraction.
The beneficial effects of the present invention are：
The present invention possesses simple in construction, with low cost, easy to install, easily changeable feature；Wherein, using the dynamic iron of many gear structures
Core coordinates the technical scheme of gearshift to cause the rated current protection value of the magnetic tripping system based on such a many gear dynamic iron cores
It is adjustable, suitable gear can be selected according to different situations, enable adaptation to the different rated current rule under same cage
The product of lattice, while can also change the short-circuit protection multiple of breaker as needed.
Brief description of the drawings
Fig. 1 is the structural representation of dynamic iron core component of the present invention.
Fig. 2 includes the structural representation of the magnetic tripping system of many gear dynamic iron core components for the present invention.
Fig. 3 is the tripper structure schematic diagram for including four groups of magnetic tripping systems of the present invention.
1-1. adjusting levers, 1-2. armature, 1-3. lug bosses, 1-4. spring shafts, 2-1. supports, 2-2. thermal elements, 2-3.
Bimetal leaf, 2-4. static iron cores, 2-5. connecting shafts, 3. gearshifts, 3-1. spring, 3-2. shifting shafts, 4. protecgulums,
5. draw bar, 6. bonnets.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in figure 1, a kind of many gear dynamic iron core components, including adjusting lever 1-1 and armature 1-2, the adjusting lever 1-1's
Side is from top to bottom sequentially provided with multiple lug boss 1-3, and opposite side has spring shaft 1-4, the lug boss 1-3 along adjusting lever 1-
1 side is arranged as sector.The lug boss 1-3 of such a fan-shaped array shape enables to gearshift 3 when rotated successively
Lug boss 1-3 is touched to realize gearshift.
The adjusting lever 1-1 includes first support arm and the second support arm below first support arm, and the armature 1-2 is located at
In second support arm；Shape is in an angle between first support arm and second support arm；The spring shaft 1-4 is located at first support arm and second
The intersection of support arm, multiple lug boss 1-3 are located at first support arm and second support arm flared end.The spring shaft 1-4 is perpendicular to
One support arm and the plane of second support arm formation, the end of the spring shaft 1-4 is provided with connecting hole.
As shown in Fig. 2 a kind of magnetic tripping system for including many gear dynamic iron core components, including：Support 2-1, thermal element 2-
2nd, bimetal leaf 2-3, static iron core 2-4 and dynamic iron core component, thermal element 2-2, bimetal leaf 2-3 and static iron core 2-4 are arranged on branch
On frame 2-1, the dynamic iron core component is many gear dynamic iron core components as described above, and dynamic iron core component is turned by connecting shaft 2-5
It is dynamic to be arranged on support 2-1, gearshift 3 is installed on spring shaft 1-4.The gearshift 3 includes spring 3-1 and gearshift
Axle 3-2；The shifting shaft 3-2 is located at spring 3-1 one end and forms integrative-structure with spring 3-1；The shifting shaft 3-2
The lug boss 1-3 of contact adjusting bar 1-1 sides successively can be rotated and is capable of by axle of connecting shaft 2-5.The spring of gearshift 3
Portion 3-1 includes torsion spring, and the two ends of torsion spring form torsion spring pin, the torsion spring pin and shifting shaft 3-2 of one end of torsion spring close to lug boss 1-3
Connect as one, the torsion spring pin of the torsion spring other end catches on support 2-1.The torsion spring can be along radial contraction.
As shown in figure 3, the magnetic tripping system triplets comprising many gear dynamic iron core components are arranged on before electrical apparatus release
On lid 4, then the bonnet 6 of draw bar 5 and electrical apparatus release is installed again and protecgulum 4 and bonnet 6 are fastened on one by screw and Luo lines
Play the hot dropout protection system of pyromagnetic overcurrent for just constituting 3P groups.Similarly, the magnetic comprising many gear dynamic iron core components is threaded off
System tetrad is arranged on the protecgulum 4 of electrical apparatus release, then installs the bonnet 6 of draw bar 5 and electrical apparatus release and by screw and Luo
Line, which tightens together protecgulum 4 and bonnet 6, just constitutes the hot dropout protection system of pyromagnetic overcurrent of 4P groups.
The principle of the present invention：
When the shifting shaft 3-2 of gearshift 3 places gears i.e. different on different lug boss 1-3, shifting shaft 3-2 is in difference
Gear when torsion spring acting force arm can obtain different reaction forces, and the angle of shifting shaft 3-2 rotations is bigger, torsion spring
Torsion is bigger bigger so as to the radial contraction amplitude of torsion spring, and now the rated current protection value of magnetic tripping system of the invention is got over
Greatly.Conversely, the angle of shifting shaft 3-2 rotations is smaller, the torsion of torsion spring is smaller, now the specified electricity of magnetic tripping system of the invention
Flow protection value smaller.The invention enables the rated current short-circuit protection value of breaker is adjustable, enable adaptation under same cage
Different rated current specifications product, while can also change the short-circuit protection multiple of breaker as needed.
Claims (9)
1. a kind of many gear dynamic iron core components, including adjusting lever（1-1）And armature（1-2）, it is characterised in that the adjusting lever
（1-1）Side be from top to bottom sequentially provided with multiple lug bosses（1-3）, opposite side has spring shaft（1-4）.
2. many gear dynamic iron core components as claimed in claim 1, it is characterised in that the adjusting lever（1-1）Including first
Arm and the second support arm below first support arm, the armature（1-2）In second support arm；First support arm and second support arm
Between shape in an angle；The spring shaft（1-4）Positioned at the intersection of first support arm and second support arm, multiple lug bosses（1-
3）Positioned at first support arm and second support arm flared end.
3. many gear dynamic iron core components as claimed in claim 2, it is characterised in that the spring shaft（1-4）Perpendicular to first
Support arm and the plane of second support arm formation.
4. many gear dynamic iron core components as claimed in claim 1, it is characterised in that the multiple lug boss（1-3）Arrangement
It is shaped as sector.
5. many gear dynamic iron core components as claimed in claim 1, it is characterised in that the spring shaft（1-4）End be provided with
Connecting hole.
6. a kind of magnetic tripping system for including many gear dynamic iron core components, including：Support（2-1）, thermal element（2-2）, bimetallic
Piece（2-3）, static iron core（2-4）With dynamic iron core component, it is characterised in that the dynamic iron core component is as claim 1 to 5 is any
Many gear dynamic iron core components described in claim, dynamic iron core component passes through connecting shaft（2-5）And spring shaft（1-4）The company of end
Connect hole and be rotatably installed in support（2-1）On, spring shaft（1-4）On gearshift is installed（3）.
7. the magnetic tripping system of many gear dynamic iron core components is included as claimed in claim 6, it is characterised in that the gearshift
（3）Including spring（3-1）And shifting shaft（3-2）；The shifting shaft（3-2）Positioned at spring（3-1）One end and and spring
Portion（3-1）Form integrative-structure；The shifting shaft（3-2）Can be with connecting shaft（2-5）Rotated for axle and tune can be contacted successively
Whole bar（1-1）The lug boss of side（1-3）.
8. the magnetic tripping system of many gear dynamic iron core components is included as claimed in claim 7, it is characterised in that gearshift（3）
Spring（3-1）Including torsion spring, the two ends of torsion spring form torsion spring pin, and one end of torsion spring is close to lug boss（1-3）Torsion spring pin
With shifting shaft（3-2）Connect as one, the torsion spring pin of the torsion spring other end catches on support（2-1）.
9. the magnetic tripping system of many gear dynamic iron core components is included as claimed in claim 8, it is characterised in that the torsion spring can
Along radial contraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671950.0A CN107331586B (en) | 2017-08-08 | 2017-08-08 | Multi-gear moving iron core assembly and magnetic tripping system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710671950.0A CN107331586B (en) | 2017-08-08 | 2017-08-08 | Multi-gear moving iron core assembly and magnetic tripping system comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107331586A true CN107331586A (en) | 2017-11-07 |
| CN107331586B CN107331586B (en) | 2021-03-19 |
Family
ID=60225791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710671950.0A Active CN107331586B (en) | 2017-08-08 | 2017-08-08 | Multi-gear moving iron core assembly and magnetic tripping system comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331586B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6407653B1 (en) * | 2000-09-20 | 2002-06-18 | Eaton Corporation | Circuit interrupter with a magnetically-induced automatic trip assembly having adjustable armature biasing |
| CN101964286A (en) * | 2010-10-29 | 2011-02-02 | 天津市百利电气有限公司 | Magnetic tripping device of plastic casing-type breaker |
| CN102142339A (en) * | 2011-03-02 | 2011-08-03 | 许胜� | Miniature circuit breaker with current leakage protector |
| CN202678240U (en) * | 2012-07-16 | 2013-01-16 | 刘开成 | Electromagnetic tripping base frame assembly for low-voltage circuit breaker |
| CN202888103U (en) * | 2012-11-16 | 2013-04-17 | 德力西电气有限公司 | Electromagnetic tripping mechanism of breaker |
| CN203250706U (en) * | 2013-04-12 | 2013-10-23 | 施耐德电器工业公司 | Magnetic tripping mechanism |
| CN207068782U (en) * | 2017-08-08 | 2018-03-02 | 罗格朗低压电器（无锡）有限公司 | More gear dynamic iron core components and the magnetic tripping system for including more gear dynamic iron core components |
-
2017
- 2017-08-08 CN CN201710671950.0A patent/CN107331586B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6407653B1 (en) * | 2000-09-20 | 2002-06-18 | Eaton Corporation | Circuit interrupter with a magnetically-induced automatic trip assembly having adjustable armature biasing |
| CN101964286A (en) * | 2010-10-29 | 2011-02-02 | 天津市百利电气有限公司 | Magnetic tripping device of plastic casing-type breaker |
| CN102142339A (en) * | 2011-03-02 | 2011-08-03 | 许胜� | Miniature circuit breaker with current leakage protector |
| CN202678240U (en) * | 2012-07-16 | 2013-01-16 | 刘开成 | Electromagnetic tripping base frame assembly for low-voltage circuit breaker |
| CN202888103U (en) * | 2012-11-16 | 2013-04-17 | 德力西电气有限公司 | Electromagnetic tripping mechanism of breaker |
| CN203250706U (en) * | 2013-04-12 | 2013-10-23 | 施耐德电器工业公司 | Magnetic tripping mechanism |
| CN207068782U (en) * | 2017-08-08 | 2018-03-02 | 罗格朗低压电器（无锡）有限公司 | More gear dynamic iron core components and the magnetic tripping system for including more gear dynamic iron core components |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107331586B (en) | 2021-03-19 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xue Jianhu Inventor after: Yang Taofeng Inventor after: Qian Yong Inventor after: Gao Jie Inventor before: Xue Jianhu |
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| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |