CN108054066A - The clod wash pivot structure of circuit breaker electric magnetic release - Google Patents
The clod wash pivot structure of circuit breaker electric magnetic release Download PDFInfo
- Publication number
- CN108054066A CN108054066A CN201711359937.8A CN201711359937A CN108054066A CN 108054066 A CN108054066 A CN 108054066A CN 201711359937 A CN201711359937 A CN 201711359937A CN 108054066 A CN108054066 A CN 108054066A
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- coil
- yoke
- circuit breaker
- clod wash
- pivot structure
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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
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
- H01H71/405—Combined electrothermal and electromagnetic mechanisms in which a bimetal forms the inductor for the electromagnetic mechanism
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Breakers (AREA)
Abstract
A kind of clod wash pivot structure of circuit breaker electric magnetic release, the breaker includes adjusting screw, contact, the yoke of magnetictrip, coil and bimetal leaf, the coil welds to form coil weld part with yoke, the one side of the coil weld part is provided with contact for contact side, the opposite side of coil weld part is adjusting side, it is provided with the adjusting screw of bimetal leaf and adjustable yoke, one end of the bimetal leaf welds to form double gold solder socket parts with yoke, the other end of bimetal leaf for can bent-up end be oppositely arranged with lock；Rigidity is formed between the coil weld part and double gold solder socket parts and weakens gap a, and there are gap x between the bending place of double gold solder socket part sides and the close double gold solder socket part one sides of coil weld part, the shaft that the rigidity weakens gap a and the modulated screw of yoke is made to adjust and rotate is located fully or partially at adjusting side.The present invention provides a kind of clod wash pivot structure of circuit breaker electric magnetic release simple in structure, Interruption reliability is high.
Description
Technical field
The present invention relates to low voltage electrical apparatus technology fields, and in particular to a kind of clod wash shaft knot of circuit breaker electric magnetic release
Structure.
Background technology
As shown in Figure 1, existing breaker structure, including adjusting screw 4, contact, the yoke 1 of magnetictrip, 2 and of coil
Bimetal leaf 3 controls the distance of magnetictrip bimetal leaf and lock so as to special to product deferred action by adjusting screw
Property is adjusted.Principles of Regulation：Adjusting screw deforms the yoke of magnetictrip to drive double gold deflections, reach the double gold of adjusting with
The purpose of the distance between lock, so as to control product actuation time.Coil 2 described in existing product forms line with the welding of yoke 1
Lap welding socket part 20, one end and the welding of yoke 1 of bimetal leaf 3 form double gold solder socket parts 30, the welding boss of coil weld part 20
Be substantially to be close to double gold solder socket parts 30 so that adjusting screw be adjusted be yoke 1 at contact nearby for axis into
Row is adjusted, this causes meeting propelling coil Forward during adjusting, so as to which the relative position between coil and iron core be caused to become
Change, cause to influence magnetic dropout curve.
The content of the invention
The defects of it is an object of the invention to overcome the prior art, provides a kind of simple in structure, Interruption reliability height
Circuit breaker electric magnetic release clod wash pivot structure.
To achieve the above object, present invention employs following technical solutions：
A kind of clod wash pivot structure of circuit breaker electric magnetic release, the breaker include adjusting screw 4, contact, electromagnetism
Yoke 1, coil 2 and the bimetal leaf 3 of buckle releaser, the coil 2 form coil weld part 20, the coil with the welding of yoke 1
The one side of weld part 20 is provided with contact for contact side, and the opposite side of coil weld part 20 is provided with bimetal leaf to adjust side
3 and the adjusting screw 4 of adjustable yoke 1, one end and the welding of yoke 1 of the bimetal leaf 3 form double gold solder socket parts 30, double
The other end of sheet metal 3 for can bent-up end 31 5 be oppositely arranged with latching；Shape between the coil weld part 20 and double gold solder socket parts 30
Weaken gap a, and the bending place of double 30 sides of gold solder socket part and close double 30 one sides of gold solder socket part of coil weld part 20 into rigidity
Between there are gap x, the rigidity weakens shaft 110 that gap a makes 1 modulated screw 4 of yoke adjust and rotate all
Or part is located at adjusting side.
Preferably, the shaft 110 is located between double gold solder socket parts 30 and coil weld part 20, double 30 sides of gold solder socket part
Minimum value with gap x of the shaft 110 i.e. coil weld part 20 between the bending place of double 30 one sides of gold solder socket part is 0.77.
Preferably, the horizontal distance between the side of the coil weld part 20 and shaft 110 is 0.5mm, double gold
Vertical range between the top surface of weld part 30 and shaft 110 is 1.5mm；1.27mm ＜ a ＜ 2mm.
Preferably, the yoke 1 is carbon steel and integrated formed structure made of composite copper material matter.
Preferably, the yoke 1 is equipped with the welding boss 11 welded for coil weld part 20.
Preferably, the welding boss 11 is stamped to form, so as to formed in yoke 1 protrude from top surface welding boss 11,
It is corresponding and be depressed in the stamped recess 13 of bottom surface with welding boss 11.
Preferably, the bimetal leaf 3 is L-shaped, and the yoke 1, which is located at, adjusts the part of side as adjustabel part 12, including phase
The tablet 121 of connection and hang plate 122, double gold solder socket parts 30 stacking of the bimetal leaf 3 are welded on the top surface of tablet 121
On, the hang plate 122 of the adjustabel part 12 be upturned and positioned at bimetal leaf 3 erect can 31 one side of bent-up end, 5 then position of lock
In can bent-up end 31 opposite side, and adjusting screw 4 can be abutted against with the bottom surface of hang plate 122.
Preferably, the magnetictrip further includes core assembly and coil rack 6 in yoke 1, the line
Circle 2 is sleeved on the outer wall of coil rack 6；The core assembly is mounted in the barrel chamber of coil rack 6, including connected dynamic iron
Core 7, mandril and static iron core 8 and the reaction spring being arranged between mandril and static iron core 8, the mandril can drive lock when popping up
Button 5 is swung.
Preferably, one end of the dynamic iron core 7 is placed in coil rack 6 and is connected with one end of mandril, dynamic iron core 7 it is another
Coil rack 6 is stretched out in one end, and the other end of the mandril can pop up coil rack 6 through static iron core 8, and the one of the static iron core 8
End stretch out coil rack 6 simultaneously be fixed in yoke 1, the reaction spring is sleeved on mandril and its both ends be connected to static iron core 8 with
Between mandril.
Preferably, the yoke 1 is located at the part of contact side for mounting portion 10, including bottom plate 100 and is arranged on bottom plate
For installing the U-shaped frame of coil rack 6 and core assembly on 100, align the interior of adjustabel part 12 on the bottom plate 100 of the yoke 1
Lateral edges are equipped with a gap 101.
The clod wash pivot structure of the circuit breaker electric magnetic release of the present invention, passes through the welding point and the solder joint of coil to double gold
Between be equipped with and can be located fully or partially at the shaft of yoke to adjust the rigidity of side and weaken gap, rigidity, which weakens gap, makes double gold solders
30 side of socket part and coil weld part 20 between the bending place of double 30 one sides of gold solder socket part there are gap x, so as to fulfill
Adjusting process coil is not moved with yoke, simple in structure, has both been avoided that coil occurred mobile and influences the magnetic of breaker
Dropout curve improves the reliability of circuit breaker tripping performance, and the rotation space that the adjustabel part clod wash of yoke can be controlled to rotate, from
And can realize the time-delay action for adjusting breaker, improve the reliability of product delay performance.
Description of the drawings
Fig. 1 is the structure diagram of prior art breaker；
Fig. 2 is the structure diagram of magnetictrip of the present invention；
Fig. 3 is the enlarged drawing of partial structurtes in Fig. 2 of the present invention；
Fig. 4 is yoke of the present invention and bimetal leaf adjusts the schematic diagram that process rotates；
Fig. 5 is the mark figure of magnetictrip partial structurtes of the present invention；
Fig. 6 is the size of magnetictrip partial structurtes of the present invention and angular relationship figure；
Fig. 7 is the structure diagram of yoke of the present invention.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 2 to 7 provides, the clod wash of the circuit breaker electric magnetic release further illustrated the present invention
The specific embodiment of pivot structure.The clod wash pivot structure of the circuit breaker electric magnetic release of the present invention is not limited to following embodiment
Description.
As in Figure 2-4, the clod wash pivot structure of circuit breaker electric magnetic release of the invention, the breaker include adjusting
Screw 4, contact, the yoke 1 of magnetictrip, coil 2 and bimetal leaf 3, the coil 2 form coil weldering with the welding of yoke 1
Socket part 20, the one side of the coil weld part 20 are provided with contact for contact side, and the opposite side of coil weld part 20 is adjusting side,
The adjusting screw 4 of bimetal leaf 3 and adjustable yoke 1 is provided with, one end of the bimetal leaf 3 and the welding formation of yoke 1 are double
Gold solder socket part 30, the other end of bimetal leaf 3 for can bent-up end 31 be oppositely arranged with latching 5；Particularly, the coil weld part 20
Rigidity is formed between double gold solder socket parts 30 and weakens gap a, and double 30 sides of gold solder socket part and the close double gold of coil weld part 20
There are gap x between the bending place of 30 one side of weld part, the rigidity, which weakens gap a, makes 1 modulated screw 4 of yoke adjust and send out
The raw shaft 110 rotated, which is located fully or partially at, adjusts side.It should be noted that shaft 110 for imaginary axis not necessary being
Real axis.
Breaker controls the bimetal leaf 3 of magnetictrip with latching the distance between 5 so as to production by adjusting screw 4
Product deferred action characteristic is adjusted.During adjusting, it is inclined that adjusting screw 4 makes the adjustabel part 12 of yoke 1 deform drive bimetal leaf 3
Turn, with adjust bimetal leaf 3 can bent-up end 31 with lock the distance between 5, so as to control product actuation time.The present invention's is disconnected
The clod wash pivot structure of road device magnetictrip can make yoke by being equipped between the welding point to double gold and the solder joint of coil
Shaft is located fully or partially at the rigidity weakening gap for adjusting side, is not moved so as to fulfill in adjusting process coil with yoke
It is dynamic, it is simple in structure, it had both been avoided that coil occurred mobile and influences the magnetic dropout curve of breaker, and had improved circuit breaker tripping performance
Reliability, and the rotation space that the adjustabel part clod wash of yoke can be controlled to rotate, so as to realize the deferred action for adjusting breaker
Time improves the reliability of product delay performance.
As seen in figs. 5-6, it is preferred that 1mm ＜ a ＜ 2mm.Further, the shaft 110 is located at double gold solder socket parts 30 and line
Between lap welding socket part 20, shaft 110 is usually located at close double gold solder socket parts that coil weld part 20 is bent to form welding boss 11
The bending place of 30 one sides has gap, double 30 sides of gold solder socket part and shaft between double 30 sides of gold solder socket part and shaft 110
Horizontal distance of the 110 i.e. coil weld part 20 between double 30 one side bending places of gold solder socket part is x, and the minimum value of x is 0.77.
Preferably, the coil weld part 20 is bent to form welding boss, the level between the side of coil weld part 20 and shaft 110
Distance is 0.5mm, which is actual measurement approximation, is influenced by yoke thickness and material, the top surface of double gold solder socket parts 30
Vertical range between shaft 110 is 1.5mm, which is measured value, is specially thickness+bimetal leaf 3 of 1/2 yoke 1
Thickness；1.27mm ＜ a ＜ 2mm.
The maximum of a is chosen：Since the resistivity of yoke 1 is higher.According to resistance R=ρ L/S, power P=I^2*R, then a
More big, resistance is more big then to cause magnetictrip caloric value to increase.Since product standard has temperature increase requirement, 125A electric currents rule
A set by lattice (the specification temperature rises highest) is 2mm, and peaceful 4 pole wire connection terminal temperature are that (standard requirement is no more than 55K or so
The temperature that 60K) has been near the mark after the certain surplus of reservation goes up limit, therefore the upper limit of a is 2mm, and the value of certain a can be advised according to product electric current
Lattice and temperature rise actual conditions selection.
The minimum value of a is chosen：
As seen in figs. 5-6, if：Horizontal distance between double 30 sides of gold solder socket part of bimetal leaf 3 and shaft 110 is x,
The distance between top edge and shaft 110 of coil weld part 20 are r, and the rotational angle of 3 pairs of gold solder socket parts 30 of bimetal leaf is
The angle formed when θ and the bending of bimetal leaf 3 are with resetting with double gold solder socket parts 30 is respectively α, β.
Known r2=x2+1.52, θ+alpha+beta=π；
Based on formula：Sin (alpha+beta)=sin α cos β+cos α sin β；
：
Since rotational angle needed for double 30 maximums of gold solder socket part of bimetal leaf 3 is about 45 °
It substitutes into：
Substitute into r2=x2+1.52：
0.51x4+0.845x2- 0.68=0 is drawn：The minimum value of x=0.77 then a is arranged to x+0.5=0.77+0.5=
1.27。
It is carried out by the welding point to double gold and the spacing of the solder joint of coil in control zone of reasonableness, it is simple in structure, both controlled
The rotation space that the adjustabel part clod wash of yoke processed rotates, thus when can realize the deferred action for farthest adjusting breaker
Between, the reliability of product delay performance is improved, and avoids occurring due to the distance between solder joint is excessive that breaker temperature liter is exceeded shows
As ensureing the quality and performance of product.
In addition, the yoke 1 is carbon steel and integrated formed structure made of composite copper material matter.Yoke is with carbon steel and copper material
It is compound, the not only satisfactory electrical conductivity with copper, but also with the good mouldability of carbon steel and cold-bending property；It is integrally formed, it is simple in structure
Securely, manufacture easy to produce.The yoke 1 is equipped with the welding boss 11 welded for coil weld part 20.The welding is convex
Platform 11 is stamped to form, and the welding boss 11 of top surface, corresponding with welding boss 11 and be depressed in is protruded from so as to be formed in yoke 1
The stamped recess 13 of bottom surface.It is simple in structure, manufacture easy to produce.
Moreover, the bimetal leaf 3 is L-shaped, the part that the yoke 1 is located at adjusting side includes being connected for adjustabel part 12
Tablet 121 and hang plate 122, the bimetal leaf 3 double gold solder socket parts 30 stacking is welded on the top surface of tablet 121, institute
State adjustabel part 12 hang plate 122 be upturned and positioned at bimetal leaf 3 erect can 31 one side of bent-up end, lock 5 then be located at can
The opposite side of bent-up end 31, and adjusting screw 4 can be abutted against with the bottom surface of hang plate 122.This structure design, it is easy to adjust, it is time saving
It is laborsaving.
As shown in Fig. 2, the magnetictrip of the present invention, further includes core assembly and coil rack in yoke 1
6, the coil 2 is sleeved on the outer wall of coil rack 6；The core assembly is mounted in the barrel chamber of coil rack 6, including phase
Dynamic iron core 7, mandril and static iron core 8 even and the reaction spring being arranged between mandril and static iron core 8, when the mandril pops up
Lock 5 can be driven to swing.One end of the dynamic iron core 7 is placed in coil rack 6 and is connected with one end of mandril, dynamic iron core 7
The other end stretches out coil rack 6, and the other end of the mandril can pop up coil rack 6 through static iron core 8, the static iron core 8
One end is stretched out coil rack 6 and is fixed in yoke 1, and the reaction spring is sleeved on mandril and its both ends is connected to static iron core 8
Between mandril.
Include bottom plate 100 as shown in fig. 7, the yoke 1 is located at the part of contact side for mounting portion 10 and be arranged on bottom plate
For installing the U-shaped frame of coil rack 6 and core assembly on 100, align the interior of adjustabel part 12 on the bottom plate 100 of the yoke 1
Lateral edges are equipped with a gap 101.Convenient for the deformation adjustment of adjustabel part.The back vertical plate 102 of the U-shaped frame is vertically connected on bottom plate
On 100, the vertical plates on both sides 103 of U-shaped frame each on cant board 103 opposite sets that there are one bayonets vacantly in the top of bottom plate 100
104, one end of the static iron core 8 is connected in the bayonet 104 of the cant board 103 in left side, and the other end of static iron core 8 is placed in coil
In skeleton 6, one end of the coil rack 6 is connected in the bayonet 104 of the cant board 103 on right side.Mounting structure is simple, both protects
Hinder the mounting stability of coil rack and core assembly, also improve its installation effectiveness.Adjusting screw is adjusted in the prior art
It is nearby to be adjusted with cant board 103 of the bottom plate 100 close to contact side for axis, meeting during being adjusted as axis
Propelling coil moves forward, and so as to which the relative position between coil and core assembly be caused to change, influences magnetic dropout curve, the present invention adopts
The method that rigidity weakens gap a is formed between coil weld part 20 and double gold solder socket parts 30, shaft is moved forward to and adjusts side,
It is not moved so as to fulfill in adjusting process coil with yoke, avoids influencing the magnetic dropout curve of breaker.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
On the premise of not departing from present inventive concept, several simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of clod wash pivot structure of circuit breaker electric magnetic release, the breaker includes adjusting screw (4), contact, electromagnetism
Yoke (1), coil (2) and the bimetal leaf (3) of buckle releaser, the coil (2) form coil weld part with yoke (1) welding
(20), the one side of the coil weld part (20) is provided with contact for contact side, and the opposite side of coil weld part (20) is adjusting
Side is provided with the adjusting screw (4) of bimetal leaf (3) and adjustable yoke (1), one end of the bimetal leaf (3) and yoke
(1) welding forms double gold solder socket parts (30), the other end of bimetal leaf (3) for can bent-up end (31) be oppositely arranged with latching (5)；Its
It is characterized in that：Rigidity is formed between the coil weld part (20) and double gold solder socket parts (30) and weakens gap a, and double gold solder socket parts
(30) there are gap x, the rigidity between the bending place of double gold solder socket part (30) one sides for side and coil weld part (20)
The shaft (110) that weakening gap a adjusts yoke (1) modulated screw (4) and rotate, which is located fully or partially at, adjusts side.
2. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 1, it is characterised in that：The shaft
(110) positioned at double between gold solder socket part (30) and coil weld part (20), double gold solder socket part (30) sides and shaft (110) i.e. line
The minimum value of gap x of the lap welding socket part (20) between the bending place of double gold solder socket part (30) one sides is 0.77.
3. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 1, it is characterised in that：The coil weldering
Horizontal distance between the side of socket part (20) and shaft (110) is 0.5mm, the top surface and shaft of double gold solder socket parts (30)
(110) vertical range between is 1.5mm；1.27mm ＜ a ＜ 2mm.
4. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 1, it is characterised in that：The yoke
(1) it is carbon steel and integrated formed structure made of composite copper material matter.
5. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 1, it is characterised in that：The yoke
(1) it is equipped with the welding boss (11) for coil weld part (20) welding.
6. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 5, it is characterised in that：The welding is convex
Platform (11) is stamped to form, and the welding boss (11) of top surface, corresponding with welding boss (11) is protruded from so as to be formed in yoke (1)
And it is depressed in the stamped recess (13) of bottom surface.
7. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 1, it is characterised in that：The bimetallic
Piece (3) is L-shaped, and the yoke (1), which is located at, adjusts the part of side as adjustabel part (12), including the tablet (121) being connected and inclines
Inclined plate (122), double gold solder socket parts (30) of the bimetal leaf (3), which are stacked, to be welded on the top surface of tablet (121), described adjustable
The hang plate (122) in portion (12) be upturned and positioned at bimetal leaf (3) erect can bent-up end (31) one side, lock (5) then position
In can bent-up end (31) opposite side, and adjusting screw (4) can be abutted against with the bottom surface of hang plate (122).
8. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 1, it is characterised in that：The electromagnetism takes off
Button device further includes core assembly and coil rack (6) in yoke (1), and the coil (2) is sleeved on coil rack (6)
Outer wall on；The core assembly is mounted in the barrel chamber of coil rack (6), including connected dynamic iron core (7), mandril and quiet iron
Core (8) and the reaction spring being arranged between mandril and static iron core (8), the mandril can drive lock (5) to swing when popping up.
9. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 8, it is characterised in that：The dynamic iron core
(7) one end is placed in coil rack (6) and is connected with one end of mandril, and the other end of dynamic iron core (7) stretches out coil rack
(6), the other end of the mandril can pop up coil rack (6) through static iron core (8), and line is stretched out in one end of the static iron core (8)
Ring framework (6) is simultaneously fixed in yoke (1), and the reaction spring is sleeved on mandril and its both ends is connected to static iron core (8) and top
Between bar.
10. the clod wash pivot structure of circuit breaker electric magnetic release according to claim 8, it is characterised in that：The yoke
(1) it is mounting portion (10) positioned at the part of contact side, including bottom plate (100) and is arranged on bottom plate (100) that coil is installed
The U-shaped frame of skeleton (6) and core assembly, the inside edge for the adjustabel part (12) that aligns on the bottom plate (100) of the yoke (1) are equipped with
One gap (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359937.8A CN108054066B (en) | 2017-12-15 | 2017-12-15 | Cold bending rotating shaft structure of electromagnetic release of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711359937.8A CN108054066B (en) | 2017-12-15 | 2017-12-15 | Cold bending rotating shaft structure of electromagnetic release of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054066A true CN108054066A (en) | 2018-05-18 |
| CN108054066B CN108054066B (en) | 2023-09-12 |
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ID=62133470
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711359937.8A Active CN108054066B (en) | 2017-12-15 | 2017-12-15 | Cold bending rotating shaft structure of electromagnetic release of circuit breaker |
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| CN2870150Y (en) * | 2005-09-27 | 2007-02-14 | 宁波奇乐电器实业总公司 | Over-current releasing device of low-voltage circuit breaker |
| CN101930883A (en) * | 2010-09-16 | 2010-12-29 | 方华朋 | Small-sized breaker |
| FR2958447A1 (en) * | 2010-04-02 | 2011-10-07 | Schneider Electric Ind Sas | Electromagnetic tripping device for double-break low voltage multi-polar type breaker, has airgap between heads and adjustable core maximum to rest position, and adjustment units adjusting airgap value along displacement axis of core |
| WO2014083191A1 (en) * | 2012-11-29 | 2014-06-05 | Eaton Industries (Austria) Gmbh | Circuit breaker having a passively heated bimetal element |
| WO2016079206A1 (en) * | 2014-11-20 | 2016-05-26 | Eaton Industries (Austria) Gmbh | Circuit breaker comprising a passively heated bimetal element acting on a striking armature of an electromagnetic tripping device |
| CN106898528A (en) * | 2015-12-21 | 2017-06-27 | 浙江正泰电器股份有限公司 | The Pyromagnetic release of breaker |
| CN206422024U (en) * | 2017-01-11 | 2017-08-18 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| CN207731888U (en) * | 2017-12-15 | 2018-08-14 | 浙江正泰电器股份有限公司 | The clod wash pivot structure of circuit breaker electric magnetic release |
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2017
- 2017-12-15 CN CN201711359937.8A patent/CN108054066B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2676592A1 (en) * | 1991-05-13 | 1992-11-20 | Telemecanique | THERMAL AND MAGNETIC PROTECTION CURRENT SWITCHING APPARATUS. |
| JP2000200535A (en) * | 1998-12-31 | 2000-07-18 | Tempearl Ind Co Ltd | Circuit breaker |
| DE10324390A1 (en) * | 2003-05-30 | 2004-12-23 | Abb Patent Gmbh | Electrical release device for an electric switch, fits in a casing with moving and fixed contacts, a switch latch, an electromagnetic tripping device with an armature, a core, a coil and a yoke |
| CN2870150Y (en) * | 2005-09-27 | 2007-02-14 | 宁波奇乐电器实业总公司 | Over-current releasing device of low-voltage circuit breaker |
| FR2958447A1 (en) * | 2010-04-02 | 2011-10-07 | Schneider Electric Ind Sas | Electromagnetic tripping device for double-break low voltage multi-polar type breaker, has airgap between heads and adjustable core maximum to rest position, and adjustment units adjusting airgap value along displacement axis of core |
| CN101930883A (en) * | 2010-09-16 | 2010-12-29 | 方华朋 | Small-sized breaker |
| WO2014083191A1 (en) * | 2012-11-29 | 2014-06-05 | Eaton Industries (Austria) Gmbh | Circuit breaker having a passively heated bimetal element |
| WO2016079206A1 (en) * | 2014-11-20 | 2016-05-26 | Eaton Industries (Austria) Gmbh | Circuit breaker comprising a passively heated bimetal element acting on a striking armature of an electromagnetic tripping device |
| CN106898528A (en) * | 2015-12-21 | 2017-06-27 | 浙江正泰电器股份有限公司 | The Pyromagnetic release of breaker |
| CN206422024U (en) * | 2017-01-11 | 2017-08-18 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
| CN207731888U (en) * | 2017-12-15 | 2018-08-14 | 浙江正泰电器股份有限公司 | The clod wash pivot structure of circuit breaker electric magnetic release |
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| Publication number | Publication date |
|---|---|
| CN108054066B (en) | 2023-09-12 |
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