CN109390192A - Thermo-magnetic system structure - Google Patents
Thermo-magnetic system structure Download PDFInfo
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- CN109390192A CN109390192A CN201710689236.4A CN201710689236A CN109390192A CN 109390192 A CN109390192 A CN 109390192A CN 201710689236 A CN201710689236 A CN 201710689236A CN 109390192 A CN109390192 A CN 109390192A
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- 230000007246 mechanism Effects 0.000 claims abstract description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 43
- 230000009471 action Effects 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 239000007858 starting material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/40—Combined electrothermal and electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
A kind of thermo-magnetic system structure, it includes magnetic tripping module and thermal tripping module, magnetic threads off module setting in magnetic tripping fixed plate, thermal tripping fixed plate is arranged in thermal tripping fixed plate, magnetic tripping fixed plate and the setting of thermal tripping fixed plate are on tripping backing plate, and thermal tripping fixed plate is located between magnetic tripping fixed plate and tripping backing plate；The tripping backing plate is connect by support with magnetic tripping fixed plate, tripping backing plate, magnetic tripping fixed plate and support surround the operating space for fixing thermal tripping fixed plate, the fixed mechanism for fixing thermal tripping fixed plate is equipped in the side of operating space, thermal tripping fixed plate is fixed mechanism from other side push operation space and is fixed on tripping backing plate, it is fixed on tripping backing plate by the way that thermal tripping fixed plate is fixed mechanism from side push operation space, assembly efficiency is high, and do not need disassembly magnetic tripping fixed plate can directly remove thermal tripping fixed plate, facilitate maintenance.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly to a kind of thermo-magnetic system structure.
Background technique
Critical elements of the thermo-magnetic system as device for switching, when electric circuit occurs abnormal, triggering circuit breaker tripping is realized
Defencive function, is especially used for the starter of motor, and thermo-magnetic system includes the magnetic tripping module for short-circuit protection and is used for
The thermal tripping module of delay protection generally requires thermal tripping fixed plate and magnetic taking off fixed plate endwise piling when assembling thermo-magnetic system
It is laminated on tripping backing plate and is positioned, then re-form and be fixedly connected, then fixed by the shell of tripping backing plate and breaker.But
Due to the trend of device for switching miniaturization, the volume of thermo-magnetic system is often smaller, and structure is also very compact, and not only assemble flow is numerous
It is trivial, and it is easy to appear the problem of thermal tripping fixed plate and the de- fixed plate of magnetic are with tripping backing plate position inaccurate, and connection is strong
Degree is unsatisfactory for the problem of requiring, and thermo-magnetic system is caused trigger switch electric appliance can not to thread off in circuit abnormality.The mould moreover, magnetic is threaded off
The lever of block is supported on position near thermal tripping module by magnetic tripping fixed plate, and lever is connect with magnetic tripping fixed plate itself
Intensity and precision are just very unstable, and lever is easy to fixed plate abjection of threading off from magnetic under the influence of the high temperature of thermal tripping module, lead
Cause magnetic tripping Module Fail.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide that a kind of structure is simple, pyromagnetic system of high reliablity
System structure.
To achieve the above object, present invention employs following technical solutions:
A kind of thermo-magnetic system structure comprising magnetic tripping module 100 and thermal tripping module 200, magnetic tripping module 100 are arranged
In magnetic tripping fixed plate 310, thermal tripping fixed plate 320 is arranged in thermal tripping fixed plate 320, magnetic tripping 310 He of fixed plate
The setting of thermal tripping fixed plate 320 is on tripping backing plate 300, and thermal tripping fixed plate 320 is located at magnetic tripping fixed plate 310 and tripping
Between backing plate 300；
The tripping backing plate 300 is connect by support 330 with magnetic tripping fixed plate 310, and tripping backing plate 300, magnetic tripping are solid
Fixed board 310 and support 330 surround the operating space 301 for fixing thermal tripping fixed plate 320, in the side of operating space 301
Equipped with the fixed mechanism 340 for fixing thermal tripping fixed plate 320, thermal tripping fixed plate 320 is from other side push operation space
301, which are fixed mechanism 340, is fixed on tripping backing plate 300.
Optionally, the fixed mechanism 340, tripping backing plate 300, support 330 and magnetic tripping fixed plate 310 are integrated into
Type.
Optionally, the tripping backing plate 300 is equipped with the pivot connecting with the lever 110 of magnetic tripping module 100
350, lever 110 is pivoted on pivot 350, and the dynamic iron core 130 of one end and magnetic tripping module 300 cooperates, the other end
For the driving portion 113 of trigger action.
Optionally, the magnetic tripping 310 one end of fixed plate is connect with support 330, and other end interval bimetal leaf 210 is arranged
And avoiding space 302 is formed, the lever 110 is arranged in avoiding space 302, and the double of thermal tripping module 200 are arranged in
Sheet metal 210 is located side by side at tripping backing plate 300 close to the side of fixed mechanism 340, pivot 350 and bimetal leaf 210
One end.
Optionally, the fixed mechanism 340 includes the branch for being connected to tripping backing plate 300 and magnetic tripping 310 side of fixed plate
Fagging 341, support plate 341 are equipped with the fixed block 342a that extends into operating space 301, the extending direction of fixed block 342a with
The assembly direction of thermal tripping fixed plate 320 in thermal tripping fixed plate 320 on the contrary, be equipped with the fixing groove cooperated with fixed block 342
342b。
Optionally, the height of the fixed block 342 is greater than the thickness of thermal tripping fixed plate 320, and fixed block 342 and magnetic are threaded off
The dynamic iron core 130 of module 100 is correspondingly arranged, and one end of dynamic iron core 130 is against on fixed block 342.
Optionally, the tripping backing plate 300 is equipped with the positive stop strip 344a connecting with the support 330, the support plate
341 are connected between positive stop strip 344a and magnetic tripping fixed plate 310, and the thermal tripping fixed plate 320 is equipped with and positive stop strip
The limiting slot 344b of the V-arrangement of 344a cooperation, the side wall of the side limiting slot 344b are stuck in the end face cooperation of positive stop strip 344a, the other side
Side wall be equipped with the fixing groove 342b and welded plate 343b, fixing groove 342b and the interval welded plate 343b setting, and
The limited post 344c with the cooperation of the side positive stop strip 344a is formed on the side wall of limiting slot 344b.
Optionally, the support rim 346 connecting with support plate 341 is equipped on positive stop strip 344, the support plate 341 is inclined
Tiltedly be connected to magnetic tripping fixed plate 320 and support rim 346 between, on support rim 346 be equipped with 341 inner wall of support plate at
The connection inclined-plane 347 of V-shaped connection.
Optionally, the pivot 350 includes a pair of of cheek 351, is surrounded between cheek 351 for accommodating lever 110
Pivot spaces 354, the lever 110 includes the pivot part 111 that is arranged in pivot spaces 354, and is separately positioned on pivot
111 two sides of transfer part are used to cooperate the power part 112 of the dynamic iron core 130 of magnetic tripping module 100 and the driving portion for trigger action
113, pivot part 111 is pivotally connected by shaft 352a with cheek 351, equipped with matching with shaft 352a on cheek 351
Shaft hole 352b, pivot part 111 are equipped with the pivoting hole 352c cooperated with shaft 352a.
Optionally, two cheeks 351 by supporting block 353a with tripping backing plate 300 connect, supporting block 353a with
The same side of tripping backing plate 300 is arranged in fixed mechanism 340, and the top of supporting block 353a connect with cheek 351 and to lever 110
It is limited, the side wall and thermal tripping fixed plate 320 of supporting block 353a cooperates, and is equipped with and support in thermal tripping fixed plate 320
Second limiting slot 353b of block 353a cooperation.
Optionally, first cheek 351a of the lever 110 close to 210 side of bimetal leaf is arranged in the cheek 351, and
The second the cheek 351b, the first cheek 351a and supporting block of the other side of the lever 110 far from bimetal leaf 210 are set
The ontology of 353a connects, and supporting block 353a is extended to form far from the side of bimetal leaf 210 extends boss 355, the second cheek
351b is connect with boss 355 is extended.
Optionally, the pivot part 111 of the lever 110 is parallel to the setting of bimetal leaf 210, the power part 112 of lever 110
It is obliquely installed with pivot part 111, power part 112 is arranged between fixed mechanism 340 and bimetal leaf 210 and magnetic tripping module
100 dynamic iron core 130 cooperates.
Optionally, the thermal tripping module 200 includes the bimetal leaf 210 being arranged in thermal tripping fixed plate 320, and
It is wound on the thermal element 220 heated on bimetal leaf 210 to bimetal leaf 210.
Optionally, one end of the thermal tripping fixed plate 320 is equipped with the fixing groove 321 for fixing bimetal leaf 210, separately
One end is equipped with the welded plate 343b connecting with the coil 120 of magnetic tripping module 100, and bimetal leaf 210 is fixed perpendicular to thermal tripping
Plate 320 is arranged, fixed in one end of thermal tripping fixed plate 320 insertion fixing groove 321, the other end and motor starter it is differential
Mechanism cooperation, welded plate 343b extend perpendicular to thermal tripping fixed plate 320 to the side of magnetic tripping fixed plate 310, end and magnetic
The coil 120 for module 100 of threading off connects.
Optionally, the magnetic tripping module 100 includes coil 120, dynamic iron core 130, reaction spring 150 and lever 110, is gone back
Including the coil rack 140 connecting with magnetic tripping fixed plate 310, coil 120, coil are equipped in the outside of coil inner frame 140
120 access electric circuit by contact plate 170, and dynamic iron core 130 and reaction spring 150 are equipped in the inner cavity of coil rack 140,
Magnetic tripping fixed plate 310 is equipped with the iron core through-hole 311 cooperated with dynamic iron core 130, and dynamic iron core 130 passes through iron core through-hole 311 and thick stick
Bar 110 cooperates；120 activation lever 110 of coil overcomes the driving force of reaction spring 150 to drive when short circuit current passes through coil 120
Lever 110 acts.
Optionally, the dynamic iron core 130 includes core body 131 and the spring shaft 132 for being separately positioned on both ends and leads
Draw axis 133；132 outer diameter of spring shaft is less than core body 131 and forms step-like spring positioning face 134, the reaction spring
150 one end are against on contact plate 170, and another end cap is in 132 outside of spring shaft and is against on spring positioning face 134；Axis of traction 133
One end connect with core body 131, the other end be equipped with towing plate 135, the outer diameter of axis of traction 133 is between towing plate 135 and iron
Between core ontology 131, the pull-up space 136 for accommodating the lever 110 is formed between towing plate 135 and core body 131.
Optionally, the contact plate 170 is arranged at zigzag comprising the first contact portion 171 with connecting terminal cooperation,
And the second contact portion 172 cooperated with coil rack 140, and be connected to the first contact portion 171 and the second contact portion 172 it
Between third contact portion 173；The support 330 is equipped with the wiring counterbore 1711 cooperated with connecting terminal, magnetic tripping fixed plate
310 are equipped with wiring through-hole 1712 corresponding with wiring counterbore 1711, and first contact portion 171 is in magnetic tripping fixed plate 310
Upper corresponding wiring counterbore 1711 is arranged, and the threaded hole 1713 cooperated with connecting terminal is equipped on the first contact portion 171；Described
The one end of coil rack 140 far from magnetic tripping fixed plate 310 is arranged in two contact portions 172, is equipped on the second contact portion 172 quiet
Iron core 160 and reaction spring 150.
Optionally, the magnetic tripping fixed plate 310 is equipped with a pair of for limiting in the two sides of the wiring through-hole 1712
The limit plate 312 of first contact portion 171, the two sides of first contact portion 171 are respectively equipped with the fixture block cooperated with limit plate 312
1714, two limit plates 312 are oppositely arranged, and the card slot 1717 cooperated with fixture block 1714, third contact are equipped on limit plate 312
Portion 173 is equipped with the second guide pad 1716 cooperated with 312 side of limit plate, and fixture block 1714 can be caught in card slot 1717
First contact portion 171 is fixed with limit plate 312, and the second guide pad 1716 can be stuck in the side of limit plate 312 to contact plate
170 are limited；The opposite side of the limit plate 312 is equipped with the contact plate guide groove 1715 cooperated with fixture block 1714, contact
Plate guide groove 1715 is connect with the card slot 1717, and contact plate guide groove 1715 gradually contracts along the direction internal diameter close to card slot 1717
It is small.
Thermo-magnetic system structure of the invention, by the way that thermal tripping fixed plate 320 to be fixed from side push operation space 301
Mechanism 340 is fixed on tripping backing plate 300, simplifies assemble flow, improves assembly efficiency, and is not needed disassembly magnetic tripping and fixed
Plate 310 can directly remove thermal tripping fixed plate 320, convenient to repair to thermal tripping module 200, and disassembly process is avoided to damage
Bad magnetic tripping module 100.In addition, threading off fixed plate 310 integrally by fixed mechanism 340, tripping backing plate 300, support 330 and magnetic
Molding, not only can be omitted the cumbersome process of assembling, improves the efficiency of assembly, but also can prevent magnetic tripping fixed plate 310
The fracture or the problem of position inaccurate in assembly and work, is effectively guaranteed the bonding strength of magnetic tripping fixed plate 310.This
Outside, by setting and pivot 350 on tripping backing plate 300, pivot 350 is independently of magnetic tripping fixed plate 310
One mechanism, in processing and assembly not by the constraint of magnetic tripping fixed plate 310, size is easier to be controlled, also be not easy
Deformation can provide more reliable connection for lever 110.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of thermo-magnetic system of the present invention；
Fig. 2 is the structural schematic diagram at another visual angle of thermo-magnetic system of the present invention；
Fig. 3 is the explosive view of thermo-magnetic system of the present invention；
Fig. 4 is the assembling schematic diagram of thermo-magnetic system of the present invention；
Fig. 5 is the structural schematic diagram of pivot of the present invention；
Fig. 6 is the partial enlarged view of Fig. 5；
Fig. 7 is the partial enlarged view of Fig. 2；
Fig. 8 is the top view of present invention tripping backing plate, magnetic tripping fixed plate and lever；
Fig. 9 is the structural schematic diagram of lever of the present invention.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 9 provides, the specific implementation of thermo-magnetic system structure of the invention is further illustrated
Mode.Thermo-magnetic system structure of the invention is not limited to the following description.
As in the embodiment disclosed in figs. 1-3, thermo-magnetic system structure of the invention, including magnetic tripping module 100 and thermal tripping mould
Block 200, magnetic thread off the setting of module 100 in magnetic tripping fixed plate 310, and thermal tripping fixed plate 320 is arranged in thermal tripping fixed plate
On 320, magnetic tripping fixed plate 310 and the setting of thermal tripping fixed plate 320 are being threaded off on backing plate 300, and thermal tripping fixed plate 320
It threads off between fixed plate 310 and tripping backing plate 300 in magnetic；
The tripping backing plate 300 is connect by support 330 with magnetic tripping fixed plate 310, de- by tripping backing plate 300, magnetic
Button fixed plate 310 and support 330 surround the operating space 301 for fixing thermal tripping fixed plate 320, in operating space 301
Side is equipped with fixed mechanism 340 for fixing thermal tripping fixed plate 320, and thermal tripping fixed plate 320 is from other side push operation
Space 301 is fixed mechanism 340 and is fixed on tripping backing plate 300.
Thermo-magnetic system structure of the invention is fixed by thermal tripping fixed plate 320 from other side push operation space 301
Mechanism 340 is fixed on tripping backing plate 300, simplifies assemble flow, improves assembly efficiency, and is not needed disassembly magnetic tripping and fixed
Plate 310 can directly remove thermal tripping fixed plate 320, convenient to repair to thermal tripping module 200, and disassembly process is avoided to damage
Bad magnetic tripping module 100.Especially suitable for motor starter, motor starter includes contact mechanism, operating mechanism, differential
The moving contact of mechanism and thermo-magnetic system, contact mechanism is connect with operating mechanism, manually can pass through operating mechanism band by fixed handle
The static contact of dynamic moving contact and contact mechanism is contacting and separating, to realize the conducting and disconnection of electric circuit, magnetic tripping module 100
When short circuit current passes through, trigger action mechanical unlocking drives moving contact to separate with static contact, short to disconnect electric circuit realization
Road protection；Thermal tripping module 200 when electric current reaches threshold value, by differential attachment trigger action mechanical unlocking make moving contact with it is quiet
Contact separation realizes delay protection to disconnect electric circuit.Magnetic tripping module 100 includes coil 120, dynamic iron core 130, anti-
Power spring 150 and lever 110, when short circuit current passes through coil 120, magnetic field force activation lever 110 caused by coil 120 overcomes
The driving force of reaction spring 150 makes dynamic iron core 130 that lever 110 be driven to trigger motor starter tripping and disconnects electric circuit；Institute
Stating thermal tripping module 200 includes bimetal leaf 210, and bimetal leaf 210 passes through motor starting when reaching threshold value by electric current
The differential attachment triggering motor starter tripping of device disconnects electric circuit.
Further, the tripping backing plate 300 is equipped with the pivot connecting with the lever 110 of magnetic tripping module 100
350, lever 110 is pivoted on pivot 350, and the dynamic iron core 130 of one end and magnetic tripping module 300 cooperates, the other end
Cooperate with the operating mechanism of motor starter, for triggering circuit breaker tripping.Pivot 350 is arranged in magnetic for existing mechanism
In fixed plate 310 of threading off, is limited, need to be hung in the sky by space structure, it is easily deformable.The present invention is by pivot 350
Setting is in tripping backing plate 300, and pivot 350 is independently of a mechanism of magnetic tripping fixed plate 310, in processing and assembly
Not by the constraint of magnetic tripping fixed plate 310, shape is more various, and size is easier to be controlled, and is also not easy to deform, can not only
As the reliable fulcrum of lever 110, additionally it is possible to provide the effect of limit for lever 110.
Further, the magnetic tripping 310 one end of fixed plate is connect with support 330, and other end interval bimetal leaf 210 is set
Avoiding space 302 is set and is formed, the lever 110 is arranged in avoiding space 302, and thermal tripping module 200 is arranged in
Bimetal leaf 210 is located side by side at tripping backing plate 300 close to the side of fixed mechanism 340, pivot 350 and bimetal leaf 210
One end, be laid out more reasonable, more compact structure.
Further, the pivot 350, fixed mechanism 340, tripping backing plate 300, support 330 and magnetic tripping are solid
Fixed board 310 is integrally formed, and not only can be omitted the cumbersome process of assembling by being integrally formed said mechanism, improves the effect of assembly
Rate, but also magnetic tripping fixed plate 310 can be prevented to be broken in assembly and work or the problem of position inaccurate, effectively protect
The bonding strength of magnetic tripping fixed plate 310 is demonstrate,proved.
A kind of embodiment of fixed mechanism 340 as show Fig. 4-5, the fixed mechanism 340 include being connected to tripping pad
The support plate 341 of plate 300 and magnetic tripping 310 side of fixed plate, support plate 341 are consolidated equipped with what is extended into operating space 301
Determine block 342a, the extending direction of fixed block 342a and the assembly direction of thermal tripping fixed plate 320 are on the contrary, in thermal tripping fixed plate
320 are equipped with the fixing groove 342b cooperated with fixed block 342.
Further, the height of the fixed block 342 is greater than the thickness of thermal tripping fixed plate 320, and fixed block 342 and magnetic are de-
The dynamic iron core 130 of buckling die block 100 is correspondingly arranged, and one end of dynamic iron core 130 is against on fixed block 342, and fixed block 342 can also rise
To by the effect of dynamic iron core 130 and 320 isolated insulation of thermal tripping fixed plate, anti-stop iron core 130 connects with thermal tripping fixed plate 320
The raw short circuit of triggering, simplifies structure, reduces cost, and one realizes two purposes ingenious in designly, for the ease of production and processing, moves
Iron core 130 can also generate certain offset with fixed block 342, and dynamic iron core 130 can be against on fixed block 342 and can play
The effect of insulation, naturally it is also possible to be contacted come anti-stop iron core 130 with thermal tripping fixed plate 320 by other structures.It is described solid
Determine block 342a and fixing groove 342b can be tight fit, may not be tight fit, such as pass through fixed block 342a and fixing groove
342b cooperation is played the role of pre-fixing, and is then consolidated thermal tripping fixed plate 320 by welding or other common connection types
It is fixed.
When assembling thermal tripping fixed plate 320, by 320 alignment and fixation block 342a push operation space 301 of thermal tripping fixed plate
Afterwards, thermal tripping fixed plate 320 is pushed to continue to be embedded into fixed block 342a in fixing groove 342b to fixed block 342a movement
Thermal tripping module 200 is fixed, fixing groove 342b is cooperated by fixed block 342a, structure is simple, and effect is reliable, certainly, can also
To be not provided with support plate 341, the fixed block 342a can be directly set on the side of tripping backing plate 300, only fixed
The intensity of block 342a has difference, also different to the fixed effect of thermal tripping fixed plate 320, and will affect magnetic tripping and fix
Bonding strength between plate 310 and tripping backing plate 300.
Further, the tripping backing plate 300 is equipped with the positive stop strip 344a connecting with the support 330, the support
Plate 341 is connected between positive stop strip 344a and magnetic tripping fixed plate 310, and the thermal tripping fixed plate 320 is equipped with and positive stop strip
The limiting slot 344b of the V-arrangement of 344a cooperation, the side wall of the side limiting slot 344b are stuck in the end face cooperation of positive stop strip 344a, the other side
Side wall be equipped with the fixing groove 342b and welded plate 343b, fixing groove 342b and the interval welded plate 343b setting, and
The limited post 344c with the cooperation of the side positive stop strip 344a is formed on the side wall of limiting slot 344b, the end face of limited post 344c can be against
Thermal tripping fixed plate 320 is limited on the end face of positive stop strip 344a, side is against solid as a part of fixing groove 342b
Determine fixed to thermal tripping fixed plate 320 on block 342a.It is of course also possible to it is not provided with positive stop strip 344a and limited post 344c, or
It is not provided with limiting slot 344b, directly thermal tripping fixed plate 320 is against on positive stop strip 344a, above-mentioned is only a kind of preferred
Embodiment.
Further, the support rim 346 connecting with support plate 341, the support plate 341 are equipped on positive stop strip 344
Inclination is connected between magnetic tripping fixed plate 320 and support rim 346, is equipped with and 341 inner wall of support plate on support rim 346
The connection inclined-plane 347 connected at V-shaped.Not only with cramped construction and volume can be reduced by the support plate 341 that is obliquely installed, kept away
Exempt to generate interference with other mechanisms, but also the connection that can be improved between de- mouth backing plate 300 and magnetic tripping fixed plate 310 is strong
Degree, certain support plate 341 can not also be obliquely installed.
Further, the second limiting slot cooperated with pivot 350 is additionally provided in the thermal tripping fixed plate 320
353b can further increase consolidating to thermal tripping fixed plate 320 by the way that the second limiting slot 353b to be stuck on pivot 350
Determine effect.
A kind of embodiment of pivot 350 as show Fig. 6-9, the pivot 350 include a pair of of cheek 351,
Cheek 351 is correspondingly arranged at bimetal leaf 210 and surrounds between the side of fixed mechanism 340, cheek 351 for accommodating lever
110 pivot spaces 354, the lever 110 includes the pivot part 111 being arranged in pivot spaces 354, and is separately positioned on
111 two sides of pivot part are used to cooperate the power part 112 of magnetic tripping module 100 and the driving portion for trigger action mechanism action
113, pivot part 111 is pivotally connected by shaft 352a with cheek 351, equipped with matching with shaft 352a on cheek 351
Shaft hole 352b, driving portion 113 are equipped with the sliding piece 115 (Fig. 9) cooperated with operating mechanism, and power part 112 is equipped with and line
The dynamic troughs 116 of 110 cooperation of circle, pivot part 111 are equipped with the pivoting hole 352c that cooperates with shaft 352a, by shaft 352a by thick stick
Bar 110 is pivotally connected with cheek 351, and lever 110 can be rotated neatly under the point action of shaft 352a, and in lever
It can prevent lever 110 from deviating from during 110 Forced rotations.
Further, two cheeks 351 are connect by supporting block 353a with tripping backing plate 300, supporting block 353a
The same side of tripping backing plate 300 is set with fixed mechanism 340, i.e. prolonging for the support plate 341 is arranged in supporting block 353a
On long line, the top of supporting block 353a connect with cheek 351 and limits to lever 110, the side wall and heat of supporting block 353a
Fixed plate 320 of threading off cooperates, and the second limiting slot 353b (figure cooperated with supporting block 353a is equipped in thermal tripping fixed plate 320
4), by the way that the second limiting slot 353b of thermal tripping fixed plate 320 to be stuck on the side wall of supporting block 353a, make pivot 350
The effect for limiting and fixing to thermal tripping fixed plate 320 can also be played, and by the way that lever 110 is disposed in parallel in bimetallic
The side of piece 210 can optimize inter-agency layout, improve the utilization rate to space.
Further, the pivot part 111 of the lever 110 is parallel to the setting of bimetal leaf 210, the power part of lever 110
112 are obliquely installed with pivot part 111, and the setting of power part 112 is worn between fixed mechanism 340 and bimetal leaf 210 threads off with magnetic
The dynamic iron core 130 of module 100 cooperates, can be in the coil 110 and thick stick for guaranteeing magnetic tripping module 100 by tilt power portion 112
Under the premise of 110 reliable fit of bar, increase the distance between pivot part 111 and bimetal leaf 210, pivot part 111 and pivot machine
Structure 350 is influenced by 210 high temperature of bimetal leaf.
Further, the driving portion 113 of the lever 110 is equipped with the supporting surface 114a cooperated with cheek 351, the cheek
The top side of plate 351 is equipped with the arcwall face 114b cooperated with supporting surface 114a, and cheek 351 passes through arcwall face 114b and supporting surface 114a
Cooperation avoids generating interference.
As shown in fig. 6-7, lever 110 is arranged in close to the first cheek of 210 side of bimetal leaf in the cheek 351
351a, and the second cheek 351b of the other side of the lever 110 far from bimetal leaf 210 is set, the second cheek 351b is remote
Outside from bimetal leaf 210 is equipped with blind hole 351c, is equipped with shaft hole 352b, shaft hole 352b and blind hole 351c in blind hole 351c
The guide groove 351d of annular table scalariform is formed, one end of shaft 352a is equipped with the limited block 351e (figure cooperated with guide groove 351d
3), shaft 352a is inserted into from the side of the second cheek 351b, sequentially passes through lever 110 and the first cheek 351a is completed to lever
110 are pivotally connected.
The first cheek 351a is connect with the ontology of supporting block 353a, supporting block 353a far from bimetal leaf 210 one
Side, which extends to form, extends boss 355, and the second cheek 351b is connect with boss 355 is extended, and can use by extending boss 355
The space of limit increases the distance between lever 110 and bimetal leaf 210.
A kind of specific embodiment of thermal tripping module 200 as show Fig. 3-4, the thermal tripping module 200 are heater-type,
It includes the bimetal leaf 210 being fixedly connected vertical with thermal tripping fixed plate 320 and helically coiling on bimetal leaf 210
Thermal element 220 for heating to bimetal leaf 210, thermal element 220 access electric circuit and heat to bimetal leaf 210,
The heat that thermal element 220 issues when electric current reaches threshold value, bimetal leaf 210 can be made to generate makes operating mechanism unlock enough
Deformation quantity.Certainly, the thermal tripping module 200 can also use directly-heated type, i.e., do not use thermal element 220, electric current directly passes through
Bimetal leaf 210, bimetal leaf 210 generates deformation according to the heat itself issued, or uses combined type, i.e. bimetal leaf
210 and thermal element 220 in there is electric current to pass through, the heat that bimetal leaf 210 itself and thermal element 220 issue can make double gold
Belong to piece 210 and generates deformation.
One end of thermal tripping fixed plate described in present embodiment 320 is equipped with the fixing groove for fixing bimetal leaf 210
321, the other end is equipped with the welded plate 343b connecting with the coil 120 of magnetic tripping module 100, and bimetal leaf 210 is de- perpendicular to heat
It detains fixed plate 320 to be arranged, fixed, the other end and motor starter in one end insertion fixing groove 321 of thermal tripping fixed plate 320
Differential attachment cooperation, welded plate 343b perpendicular to thermal tripping fixed plate 320 to magnetic tripping fixed plate 310 side extend, end
It holds and is connect with the coil 120 of magnetic tripping module 100, differential attachment is connect with operating mechanism, after bimetal leaf 210 is heated,
Bimetal leaf 210 can be bent and drive mobile close to one end of differential attachment.
A kind of specific embodiment of magnetic tripping module 100 as show Fig. 1-3, magnetic tripping module 100 include and magnetic
The coil rack 140 that fixed plate 310 of threading off connects is equipped with coil 120 in the outside of coil inner frame 140, and coil 120 is by connecing
Touch panel 170 accesses electric circuit, and dynamic iron core 130, reaction spring 150 and static iron core are equipped in the inner cavity of coil rack 140
160, magnetic tripping fixed plate 310 is equipped with the iron core through-hole 311 (Fig. 8) cooperated with dynamic iron core 130, and dynamic iron core 130 is logical across iron core
Hole 311 enters the operating space 301 and lever 110 and cooperates, and end face is against heat under the driving of reaction spring 150 and is taken off
It detains in fixed plate 320 (Fig. 1), when short circuit current passes through coil 120, magnetic field force caused by coil 120 overcomes reaction spring 150
Driving force it is mobile to static iron core 160, make dynamic iron core 130 drive the movement of lever 110 that operating mechanism unlock is made to disconnect electric circuit.
Magnetic thread off fixed plate 310 the side of iron core through-hole 311 be equipped with coil throughbore 343a, coil 120 pass through coil throughbore 343a with
Thermal tripping fixed plate 320 connects, and support plate 341 and support 330 interval of fixed mechanism 340 are arranged, in support plate 341 and support
Connection space 345 corresponding with coil throughbore 343a is formed between 330, connection space 345 can be in the line of magnetic tripping module 100
The space of operation is provided when circle 120 is connect with thermal tripping fixed plate 320, convenient for forming connection.
Further, the dynamic iron core 130 includes core body 131 and 132 He of spring shaft for being separately positioned on both ends
Axis of traction 133；132 outer diameter of spring shaft is less than core body 131 and forms step-like spring positioning face 134, the counter-force bullet
150 one end of spring is against on contact plate 170, and another end cap is in 132 outside of spring shaft and is against on spring positioning face 134；Axis of traction
133 one end is connect with core body 131, and the other end is equipped with towing plate 135, the outer diameter of axis of traction 133 between towing plate 135 with
Between core body 131, the pull-up space 136 for accommodating the lever 110 is formed between towing plate 135 and core body 131
(Fig. 1) drives lever 110 to act when moving the movement of iron core 130 by towing plate 135.
Further, the contact plate 170 is arranged at zigzag comprising the first contact portion with connecting terminal cooperation
171, and the second contact portion 172 cooperated with coil rack 140, and it is connected to the first contact portion 171 and the second contact portion
Third contact portion 173 between 172；The support 330 is equipped with the wiring counterbore 1711 (Fig. 8) cooperated with connecting terminal, magnetic
Fixed plate 310 of threading off is equipped with wiring through-hole 1712 corresponding with wiring counterbore 1711, and first contact portion 171 is threaded off in magnetic
The setting of wiring counterbore 1711 is corresponded in fixed plate 310, and the threaded hole cooperated with connecting terminal is equipped on the first contact portion 171
1713；The one end of coil rack 140 far from magnetic tripping fixed plate 310 is arranged in second contact portion 172, in the second contact portion
172 are equipped with static iron core 160 and reaction spring 150, and the second contact portion 172 is equipped with the contact angle being electrically connected with coil 120
1721。
Further, the magnetic tripping fixed plate 310 is equipped with a pair of for limiting in the two sides of the wiring through-hole 1712
The limit plate 312 of the first contact portion 171 of position, the two sides of first contact portion 171 are respectively equipped with the card cooperated with limit plate 312
Block 1714, two limit plates 312 are oppositely arranged, and the card slot 1717 cooperated with fixture block 1714 are equipped on limit plate 312, third connects
Contact portion 173 is equipped with the second guide pad 1716 cooperated with 312 side of limit plate, and fixture block 1714 can be caught in card slot 1717
Middle that first contact portion 171 is fixed with limit plate 312, the second guide pad 1716 can be stuck in the side of limit plate 312 to contact
Plate 170 is limited；The opposite side of the limit plate 312 is equipped with the contact plate guide groove 1715 cooperated with fixture block 1714, connects
Touch panel guide groove 1715 is connect with the card slot 1717, contact plate guide groove 1715 along close to card slot 1717 direction internal diameter gradually
It reduces, provides guiding role with the cooperation of fixture block 1714 when installing the first contact portion 171.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of thermo-magnetic system structure, it is characterised in that: including magnetic tripping module (100) and thermal tripping module (200), magnetic tripping
In magnetic tripping fixed plate (310), thermal tripping fixed plate (320) is arranged in thermal tripping fixed plate (320) for module (100) setting
On, magnetic is threaded off fixed plate (310) and thermal tripping fixed plate (320) setting is in tripping backing plate (300), and thermal tripping fixed plate
(320) it is located between magnetic tripping fixed plate (310) and tripping backing plate (300)；
The tripping backing plate (300) is connect by support (330) with magnetic tripping fixed plate (310), and tripping backing plate (300), magnetic are de-
Button fixed plate (310) and support (330) surround the operating space (301) for fixing thermal tripping fixed plate (320), empty in operation
Between the side of (301) be equipped with fixed mechanism (340) for fixing thermal tripping fixed plate (320), thermal tripping fixed plate (320) from
Other side push operation space (301) is fixed mechanism (340) and is fixed in tripping backing plate (300).
2. thermo-magnetic system structure according to claim 1, it is characterised in that: the fixed mechanism (340), tripping backing plate
(300), support (330) and magnetic tripping fixed plate (310) are integrally formed.
3. thermo-magnetic system structure according to claim 1, it is characterised in that: the tripping backing plate (300) is equipped with and magnetic
The pivot (350) that the lever (110) of module (100) of threading off connects, lever (110) are pivoted on pivot (350)
On, the dynamic iron core (130) of one end and magnetic tripping module (300) cooperates, and the other end is the driving portion (113) of trigger action.
4. thermo-magnetic system structure according to claim 3, it is characterised in that: magnetic tripping fixed plate (310) one end with
Support (330) connection, other end interval bimetal leaf (210) are arranged and are formed avoiding space (302), the lever (110)
It is arranged in avoiding space (302), and the bimetal leaf (210) in thermal tripping module (200) is set close to fixed mechanism (340)
Side, pivot (350) and bimetal leaf (210) are located side by side at one end of tripping backing plate (300).
5. thermo-magnetic system structure according to claim 1, it is characterised in that: the fixed mechanism (340) includes being connected to
It threads off backing plate (300) and the support plate (341) of magnetic tripping fixed plate (310) side, support plate (341) is equipped with to operating space
(301) fixed block (342a) extended in, the extending direction of fixed block (342a) and the assembly direction of thermal tripping fixed plate (320)
On the contrary, being equipped with the fixing groove (342b) cooperated with fixed block (342) on thermal tripping fixed plate (320).
6. thermo-magnetic system structure according to claim 5, it is characterised in that: the height of the fixed block (342) is greater than heat
The dynamic iron core (130) of the thickness of tripping fixed plate (320), fixed block (342) and magnetic tripping module (100) is correspondingly arranged, and moves iron
One end of the heart (130) is against on fixed block (342).
7. thermo-magnetic system structure according to claim 5, it is characterised in that: the tripping backing plate (300) is equipped with and institute
The positive stop strip (344a) of support (330) connection is stated, the support plate (341) is connected to positive stop strip (344a) and magnetic tripping fixed plate
(310) between, the thermal tripping fixed plate (320) is equipped with the limiting slot (344b) with positive stop strip (344a) V-arrangement cooperated, limit
The side wall of position side slot (344b) is stuck in the end face cooperation of positive stop strip (344a), and the side wall of the other side is equipped with the fixing groove
(342b) and welded plate (343b), fixing groove (342b) and the setting of welded plate (343b) interval, and in the side of limiting slot (344b)
The limited post (344c) with the cooperation of the positive stop strip side (344a) is formed on wall.
8. thermo-magnetic system structure according to claim 7, it is characterised in that: be equipped on positive stop strip (344) and support plate
(341) support rim (346) connected, support plate (341) inclination are connected to magnetic tripping fixed plate (320) and support rim
(346) between, the connection inclined-plane (347) connecting with support plate (341) inner wall at V-shaped is equipped on support rim (346).
9. thermo-magnetic system structure according to claim 3, it is characterised in that: the pivot (350) includes a pair of of cheek
Plate (351), the pivot spaces (354) for accommodating lever (110) are surrounded between cheek (351), and the lever (110) includes setting
The pivot part (111) in pivot spaces (354) is set, and is separately positioned on pivot part (111) two sides for cooperating magnetic to thread off
The power part (112) of the dynamic iron core (130) of module (100) and driving portion (113) for trigger action, pivot part (111) are logical
It crosses shaft (352a) to be pivotally connected with cheek (351), the shaft hole matched with shaft (352a) is equipped on cheek (351)
(352b), pivot part (111) are equipped with the pivoting hole (352c) cooperated with shaft (352a).
10. thermo-magnetic system structure according to claim 9, it is characterised in that: two cheeks (351) pass through support
Block (353a) is connect with tripping backing plate (300), and supporting block (353a) and fixed mechanism (340) setting are in tripping backing plate (300)
The top of the same side, supporting block (353a) connect with cheek (351) and limits to lever (110), supporting block (353a)
Side wall and thermal tripping fixed plate (320) cooperate, and second cooperated with supporting block (353a) is equipped on thermal tripping fixed plate (320)
Limiting slot (353b).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710689236.4A CN109390192B (en) | 2017-08-11 | 2017-08-11 | Thermomagnetic system structure |
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|---|---|---|---|
| CN201710689236.4A CN109390192B (en) | 2017-08-11 | 2017-08-11 | Thermomagnetic system structure |
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|---|---|
| CN109390192B (en) | 2024-05-17 |
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