CN207587671U - Thermo-magnetic system structure - Google Patents
Thermo-magnetic system structure Download PDFInfo
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- CN207587671U CN207587671U CN201721007714.0U CN201721007714U CN207587671U CN 207587671 U CN207587671 U CN 207587671U CN 201721007714 U CN201721007714 U CN 201721007714U CN 207587671 U CN207587671 U CN 207587671U
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- 230000007246 mechanism Effects 0.000 claims abstract description 46
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 54
- 239000007858 starting material Substances 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 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
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 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
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
A kind of thermo-magnetic system structure, it includes magnetic dropout module and thermal tripping module, magnetic dropout module is arranged in magnetic dropout fixed plate, thermal tripping fixed plate is arranged in thermal tripping fixed plate, magnetic dropout fixed plate and thermal tripping fixed plate are arranged on dropout backing plate, and thermal tripping fixed plate is between magnetic dropout fixed plate and dropout backing plate;The dropout backing plate is connect by bearing with magnetic dropout fixed plate, dropout backing plate, magnetic dropout fixed plate and bearing 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 on by fixed mechanism on dropout backing plate from opposite side push operation space, by the way that thermal tripping fixed plate is fixed on by fixed mechanism on dropout backing plate from side push operation space, efficiency of assembling is high, and do not need to dismounting magnetic dropout fixed plate can directly remove thermal tripping fixed plate, facilitate repair.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of thermo-magnetic system structure.
Background technology
Critical elements of the thermo-magnetic system as device for switching, when electric circuit occurs abnormal, triggering circuit breaker tripping is realized
Defencive function, particularly for the starter of motor, thermo-magnetic system includes being used for the magnetic dropout module of short-circuit protection and be 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 dropout backing plate and is positioned, then re-form and be fixedly connected, then fixed by the housing of dropout 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 be susceptible to thermal tripping fixed plate and magnetic take off fixed plate with the problem of dropout backing plate position inaccurate and connection is strong
The problem of degree is unsatisfactory for requiring causes thermo-magnetic system trigger switch electric appliance can not thread off in circuit abnormality.Moreover, magnetic dropout mould
The lever of block is supported on position near thermal tripping module by magnetic dropout fixed plate, and lever is connect in itself with magnetic dropout fixed plate
Intensity and precision are just very unstable, and lever is easy to deviate from from magnetic dropout fixed plate under the influence of the high temperature of thermal tripping module, leads
Cause magnetic dropout Module Fail.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of heat simple in structure, reliability is high
Magnetic system structure.
To achieve the above object, the utility model employs following technical solution:
A kind of thermo-magnetic system structure, including magnetic dropout module 100 and thermal tripping module 200, magnetic dropout module 100 is set
It puts in magnetic dropout fixed plate 310, thermal tripping fixed plate 320 is arranged in thermal tripping fixed plate 320, magnetic dropout fixed plate 310
It is arranged on dropout backing plate 300 with thermal tripping fixed plate 320, and thermal tripping fixed plate 320 is located at magnetic dropout fixed plate 310 and takes off
Between button backing plate 300;
The dropout backing plate 300 is connect by bearing 330 with magnetic dropout fixed plate 310, and dropout backing plate 300, magnetic are threaded off solid
Fixed board 310 and bearing 330 surround the operating space 301 for fixing thermal tripping fixed plate 320, in the side of operating space 301
Equipped with for fixing the fixed mechanism 340 of thermal tripping fixed plate 320, thermal tripping fixed plate 320 is from opposite side push operation space
301 are fixed on by fixed mechanism 340 on dropout backing plate 300.
Optionally, the fixed mechanism 340, dropout backing plate 300, bearing 330 and magnetic dropout fixed plate 310 are integrated into
Type.
Optionally, the dropout backing plate 300 is equipped with the pivot being connect with the lever 110 of magnetic dropout module 100
350, lever 110 is pivoted on pivot 350, and one end and the dynamic iron core 130 of magnetic dropout module 100 coordinate, the other end
Driving portion 113 for trigger action.
Optionally, described 310 one end of magnetic dropout fixed plate is connect with bearing 330, and other end interval bimetal leaf 210 is set
And avoiding space 302 is formed, the lever 110 is arranged in avoiding space 302, and is arranged on the double of thermal tripping module 200
Sheet metal 210 is located side by side at dropout 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 being connected to dropout backing plate 300 and the branch of 310 side of magnetic dropout 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 is on the contrary, equipped with the fixed plate coordinated with fixed block 342 in thermal tripping fixed plate 320
Fixing groove 342b.
Optionally, the height of the fixed block 342 is more than the thickness of thermal tripping fixed plate 320, and fixed block 342 takes off with magnetic
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.
Optionally, the dropout backing plate 300 is equipped with the positive stop strip 344a being connect with the bearing 330, the support plate
341 are connected between positive stop strip 344a and magnetic dropout 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 cooperations, the side wall of limiting slot 344b sides are stuck in the end face cooperation of positive stop strip 344a, opposite side
Side wall be equipped with the fixed plate fixing groove 342b and welded plate 343b, fixed plate fixing groove 342b and welded plate 343b
It is arranged at intervals, and the limited post 344c with the cooperation of positive stop strip 344a sides is formed on the side wall of limiting slot 344b.
Optionally, the support rim 346 being connect with support plate 341 is equipped on positive stop strip 344a, the support plate 341 is inclined
It is tiltedly connected between magnetic dropout 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 into V-shaped.
Optionally, the pivot 350 includes a pair of of cheek 351, surrounds to accommodate lever 110 between cheek 351
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 both sides of transfer part are used for the power part 112 for coordinating the dynamic iron core 130 of magnetic dropout module 100 and the driving portion for trigger action
113, pivot part 111 is pivotally connected by shaft 352a and cheek 351, is equipped on cheek 351 matched with shaft 352a
Shaft hole 352b, pivot part 111 are equipped with the pivoting hole 352c coordinated with shaft 352a.
Optionally, two cheeks 351 are connect by supporting block 353a with dropout backing plate 300, supporting block 353a and
Fixed mechanism 340 is arranged on the same side of dropout backing plate 300, and the top of supporting block 353a connect with cheek 351 and to lever 110
It is limited, side wall and the thermal tripping fixed plate 320 of supporting block 353a coordinate, and are equipped with and support in thermal tripping fixed plate 320
Second limiting slot 353b of block 353a cooperations.
Optionally, the cheek 351 is arranged on first cheek 351a of the lever 110 close to 210 side of bimetal leaf, with
And it is arranged on the second the cheek 351b, the first cheek 351a and supporting block of opposite side of the lever 110 far from bimetal leaf 210
The ontology connection of 353a, sides of the supporting block 353a far from bimetal leaf 210 extend to form extension boss 355, the second cheek
351b is connect with extension boss 355.
Optionally, the pivot part 111 of the lever 110 is parallel to bimetal leaf 210 and sets, the power part of lever 110
112 are obliquely installed with pivot part 111, and power part 112 is arranged between fixed mechanism 340 and bimetal leaf 210 and magnetic dropout mould
The dynamic iron core 130 of block 100 coordinates.
Optionally, the thermal tripping module 200 includes the bimetal leaf 210 being arranged in thermal tripping fixed plate 320, with
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 double gold plaque fixing grooves for fixing bimetal leaf 210
321, the other end is equipped with the welded plate 343b being connect with the coil 120 of magnetic dropout module 100, and bimetal leaf 210 is de- perpendicular to heat
Button fixed plate 320 is set, and fixed, the other end and motor in double gold plaque fixing grooves 321 are inserted into one end of thermal tripping fixed plate 320
The differential attachment cooperation of starter, welded plate 343b is perpendicular to thermal tripping fixed plate 320 to the side of magnetic dropout fixed plate 310
Extension, end is connect with the coil 120 of magnetic dropout module 100.
Optionally, the magnetic dropout module 100 includes coil 120, dynamic iron core 130, reaction spring 150 and lever 110, also
Including the coil rack 140 being connect with magnetic dropout 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 are equipped in the inner cavity of coil rack 140
150, magnetic dropout fixed plate 310 is equipped with the iron core through-hole 311 coordinated with dynamic iron core 130, and dynamic iron core 130 passes through iron core through-hole 311
Coordinate with lever 110;Short circuit current overcomes the driving force of reaction spring 150 by 120 activation lever 110 of coil during coil 120
Lever 110 is driven to act.
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 the other end is sleeved on 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 set into zigzag, including the first contact site 171 coordinated with wire connection terminal,
And with coil rack 140 coordinate the second contact site 172 and be connected to the first contact site 171 and the second contact site 172
Between third contact site 173;The bearing 330 is equipped with the wiring counterbore 1711 coordinated with wire connection terminal, and magnetic, which is threaded off, to be fixed
Plate 310 be equipped with 1711 corresponding wiring through-hole 1712 of wiring counterbore, first contact site 171 is in magnetic dropout fixed plate
Wiring counterbore 1711 is corresponded on 310 to set, and the threaded hole 1713 coordinated with wire connection terminal is equipped on the first contact site 171;Institute
It states the second contact site 172 and is arranged on the one end of coil rack 140 far from magnetic dropout fixed plate 310, on the second contact site 172
Equipped with static iron core 160 and reaction spring 150.
Optionally, the magnetic dropout fixed plate 310 is equipped with a pair in the both sides of the wiring through-hole 1712 for limiting
The limiting plate 312 of first contact site 171, the both sides of first contact site 171 are respectively equipped with the fixture block coordinated with limiting plate 312
1714, two limiting plates 312 are oppositely arranged, and the card slot 1717 coordinated with fixture block 1714, third contact are equipped on limiting plate 312
Portion 173 is equipped with the second guide pad 1716 coordinated with 312 side of limiting plate, and fixture block 1714 can be caught in card slot 1717
First contact site 171 is fixed with limiting plate 312, the second guide pad 1716 can be stuck in the side of limiting plate 312 to contact plate
170 are limited;The opposite side of the limiting plate 312 is equipped with the contact plate guide groove 1715 coordinated with fixture block 1714, contact
Plate guide groove 1715 is connect with the card slot 1717, and contact plate guide groove 1715 is gradual along the direction internal diameter close to card slot 1717
It reduces.
The thermo-magnetic system structure of the utility model, by by thermal tripping fixed plate 320 from 301 quilt of side push operation space
Fixed mechanism 340 is fixed on dropout backing plate 300, simplifies assemble flow, improves efficiency of assembling, and is not needed to dismounting magnetic and threaded off
Fixed plate 310 can directly remove thermal tripping fixed plate 320, convenient that thermal tripping module 200 is repaired, and avoid dismantling
Journey damage magnetic dropout module 100.In addition, pass through fixed mechanism 340, dropout backing plate 300, bearing 330 and magnetic dropout fixed plate 310
It is integrally formed, not only can be omitted the cumbersome process of assembling, improve the efficiency of assembling, and be also prevented from magnetic dropout fixed plate
310 fractures or the problem of position inaccurate in assembling and work, the connection for being effectively guaranteed magnetic dropout fixed plate 310 is strong
Degree.In addition, magnetic dropout fixed plate is independently of with pivot 350, pivot 350 by being set on dropout backing plate 300
310 mechanism, in processing and assembling not by the constraint of magnetic dropout fixed plate 310, size is easier to be controlled, also not
It is easily deformed, can be that lever 110 provides more reliable connection.
Description of the drawings
Fig. 1 is the structure diagram of the utility model thermo-magnetic system;
Fig. 2 is the structure diagram at another visual angle of the utility model thermo-magnetic system;
Fig. 3 is the explosive view of the utility model thermo-magnetic system;
Fig. 4 is the assembling schematic diagram of the utility model thermo-magnetic system;
Fig. 5 is the structure diagram of the utility model pivot;
Fig. 6 is the partial enlarged view of Fig. 5;
Fig. 7 is the partial enlarged view of Fig. 2;
Fig. 8 is the vertical view of the utility model dropout backing plate, magnetic dropout fixed plate and lever;
Fig. 9 is the structure diagram of the utility model lever.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 9 provides, further illustrate the utility model thermo-magnetic system structure it is specific
Embodiment.The thermo-magnetic system structure of the utility model is not limited to the following description.
As in the embodiment disclosed in figs. 1-3, the thermo-magnetic system structure of the utility model, including magnetic dropout module 100 and Re Tuo
Buckling die block 200, magnetic dropout module 100 are arranged in magnetic dropout fixed plate 310, and thermal tripping fixed plate 320 is arranged on thermal tripping and consolidates
On fixed board 320, magnetic dropout fixed plate 310 and thermal tripping fixed plate 320 are arranged on dropout backing plate 300, and thermal tripping fixed plate
320 between magnetic dropout fixed plate 310 and dropout backing plate 300;
The dropout backing plate 300 is connect by bearing 330 with magnetic dropout fixed plate 310, is taken off by dropout backing plate 300, magnetic
Button fixed plate 310 and bearing 330 surround the operating space 301 for fixing thermal tripping fixed plate 320, in operating space 301
Side is equipped with for the fixed mechanism 340 of fixing thermal tripping fixed plate 320, and thermal tripping fixed plate 320 is from opposite side push operation
Space 301 is fixed on by fixed mechanism 340 on dropout backing plate 300.
The thermo-magnetic system structure of the utility model, by thermal tripping fixed plate 320 from 301 quilt of opposite side push operation space
Fixed mechanism 340 is fixed on dropout backing plate 300, simplifies assemble flow, improves efficiency of assembling, and is not needed to dismounting magnetic and threaded off
Fixed plate 310 can directly remove thermal tripping fixed plate 320, convenient that thermal tripping module 200 is repaired, and avoid dismantling
Journey damage magnetic dropout module 100.Especially suitable for motor starter, motor starter include contact mechanism, operating mechanism,
Differential attachment and thermo-magnetic system, the moving contact of contact mechanism are connect with operating mechanism, manually can be by operating machine by fixed handle
Structure drives the static contact of moving contact and contact mechanism to be contacting and separating, to realize the conducting of electric circuit and disconnection, magnetic dropout mould
Block 100 short circuit current by when, trigger action mechanical unlocking drive moving contact detached with static contact, to disconnect electric circuit
Realize short-circuit protection;Thermal tripping module 200 makes to touch when electric current reaches threshold value, by differential attachment trigger action mechanical unlocking
Head is detached with static contact, and delay protection is realized to disconnect electric circuit.The magnetic dropout module 100 includes coil 120, dynamic iron core
130th, reaction spring 150 and lever 110, when short circuit current is by coil 120, magnetic field force activation lever caused by coil 120
110 overcome the driving force of reaction spring 150, make dynamic iron core 130 that lever 110 be driven to trigger motor starter and thread off disconnection electrically
Circuit;The thermal tripping module 200 includes bimetal leaf 210, and bimetal leaf 210 by electric current when reaching threshold value by electronic
The differential attachment triggering motor starter of machine starter, which is threaded off, disconnects electric circuit.
Further, the dropout backing plate 300 is equipped with the pivot being connect with the lever 110 of magnetic dropout module 100
350, lever 110 is pivoted on pivot 350, and one end and the dynamic iron core 130 of magnetic dropout module 100 coordinate, the other end
Coordinate with the operating mechanism of motor starter, for triggering circuit breaker tripping.Pivot 350 is arranged on magnetic by existing mechanism
It in dropout fixed plate 310, is limited, need to be hung in the air by space structure, it is easily deformable.The utility model is by pivot
350 are arranged on dropout backing plate 300, and pivot 350 is independently of a mechanism of magnetic dropout fixed plate 310, are processing and are filling
Timing is not by the constraint of magnetic dropout fixed plate 310, and shape is more various, and size is easier to be controlled, and is also not easy to deform, not only
110 reliable fulcrum of lever can be used as, additionally it is possible to the effect of limiting is provided for lever 110.
Further, described 310 one end of magnetic dropout fixed plate is connect with bearing 330, and other end interval bimetal leaf 210 is set
It puts and forms avoiding space 302, the lever 110 is arranged in avoiding space 302, and is arranged on thermal tripping module 200
Bimetal leaf 210 is located side by side at dropout 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, dropout backing plate 300, bearing 330 and magnetic are threaded off solid
Fixed board 310 is integrally formed, and the cumbersome process of assembling is not only can be omitted by being integrally formed said mechanism, improves the effect of assembling
Rate, and be also prevented from magnetic dropout fixed plate 310 and be broken in assembling and work or the problem of position inaccurate, effectively protect
The bonding strength of magnetic dropout fixed plate 310 is demonstrate,proved.
A kind of embodiment of fixed mechanism 340 as shown Fig. 4-5, the fixed mechanism 340 include being connected to dropout pad
Plate 300 and the support plate 341 of 310 side of magnetic dropout 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 is with the assembly direction of thermal tripping fixed plate 320 on the contrary, in thermal tripping fixed plate
320 are equipped with the fixed plate fixing groove 342b coordinated with fixed block 342.
Further, the height of the fixed block 342 is more than the thickness of thermal tripping fixed plate 320, fixed block 342 and magnetic
The dynamic iron core 130 of dropout module 100 is correspondingly arranged, and one end of dynamic iron core 130 is against on fixed block 342, and fixed block 342 may be used also
To play the role of, by dynamic iron core 130 and 320 isolated insulation of thermal tripping fixed plate, preventing dynamic iron core 130 and thermal tripping fixed plate
Short circuit occurs for 320 contacts, simplifies structure, reduces cost, and one realizes two purposes ingenious in designly, for the ease of production
Processing, dynamic iron core 130 can also generate certain offset with fixed block 342, and dynamic iron core 130 can be against on fixed block 342 just
It can play the role of insulation, naturally it is also possible to prevent dynamic iron core 130 from being connect with thermal tripping fixed plate 320 by other structures
It touches.The fixed block 342a and fixed plate fixing groove 342b can be tight fit, may not be tight fit, such as pass through fixation
Block 342a and fixed plate fixing groove 342b cooperations are played the role of pre-fixing, and then pass through welding or other common connection modes
Thermal tripping fixed plate 320 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 move to fixed block 342a, fixed block 342a is made to be embedded into fixed plate fixing groove
Thermal tripping module 200 can be fixed in 342b, fixed plate fixing groove 342b, simple in structure, effect are coordinated by fixed block 342a
Fruit is reliable, it is of course also possible to be not provided with support plate 341, the fixation can be directly set on the side of dropout backing plate 300
Block 342a, only the intensity of fixed block 342a have difference, it is also different to 320 fixed effect of thermal tripping fixed plate, and
It can influence the bonding strength between magnetic dropout fixed plate 310 and dropout backing plate 300.
Further, the dropout backing plate 300 is equipped with the positive stop strip 344a being connect with the bearing 330, the support
Plate 341 is connected between positive stop strip 344a and magnetic dropout 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 cooperations, the side wall of limiting slot 344b sides are stuck in the end face cooperation of positive stop strip 344a, opposite side
Side wall be equipped with the fixed plate fixing groove 342b and welded plate 343b, fixed plate fixing groove 342b and welded plate 343b
It is arranged at intervals, and the limited post 344c with the cooperation of positive stop strip 344a sides, limited post is formed on the side wall of limiting slot 344b
The end face of 344c can be against on the end face of positive stop strip 344a and thermal tripping fixed plate 320 is limited, and side is consolidated as fixed plate
The part for determining slot 342b is against on fixed block 342a thermal tripping fixed plate 320 is fixed.It is of course also possible to it is not provided with limiting
344a and limited post 344c are not provided with limiting slot 344b, and thermal tripping fixed plate 320 directly is against positive stop strip 344a
Upper, above-mentioned is only a kind of preferred embodiment.
Further, the support rim 346 being connect with support plate 341, the support plate 341 are equipped on positive stop strip 344a
Inclination is connected between magnetic dropout fixed plate 320 and support rim 346, on support rim 346 be equipped with in support plate 341
The connection inclined-plane 347 that wall is connected into V-shaped.Body not only with cramped construction and can be reduced by the support plate 341 that is obliquely installed
Product avoids generating interference, but also can improve between de- mouth backing plate 300 and magnetic dropout fixed plate 310 with other mechanisms
Bonding strength, certain support plate 341 can not also be obliquely installed.
Further, it is additionally provided with the second limiting slot coordinated with pivot 350 in the thermal tripping fixed plate 320
353b can further improve consolidating to thermal tripping fixed plate 320 by the way that the second limiting slot 353b is stuck on pivot 350
Determine effect.
A kind of embodiment of pivot 350 as shown Fig. 6-9, the pivot 350 include a pair of of cheek 351,
Cheek 351 is correspondingly arranged at bimetal leaf 210 and surrounds to accommodate lever between the side of fixed mechanism 340, cheek 351
110 pivot spaces 354, the lever 110 include the pivot part 111 being arranged in pivot spaces 354 and are separately positioned on
111 both sides of pivot part are used for the power part 112 for coordinating magnetic dropout module 100 and the driving portion for trigger action mechanism action
113, pivot part 111 is pivotally connected by shaft 352a and cheek 351, is equipped on cheek 351 matched with shaft 352a
Shaft hole 352b, driving portion 113 are equipped with the sliding piece 115 (Fig. 9) coordinated 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 coordinates 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 dropout backing plate 300, supporting block 353a
The same side of dropout backing plate 300 is arranged on fixed mechanism 340, i.e. supporting block 353a is arranged on prolonging for the support plate 341
On long line, the top of supporting block 353a connect with cheek 351 and lever 110 is limited, side wall and the heat of supporting block 353a
Dropout fixed plate 320 coordinates, and the second limiting slot 353b (figures coordinated with supporting block 353a are equipped in thermal tripping fixed plate 320
4), by the way that the second limiting slot 353b of thermal tripping fixed plate 320 is stuck on the side wall of supporting block 353a, make pivot 350
It can also play the role of limiting thermal tripping fixed plate 320 and fixed, 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 bimetal leaf 210 and sets, the power part of lever 110
112 are obliquely installed with pivot part 111, and power part 112 is arranged between fixed mechanism 340 and bimetal leaf 210 to wear and thread off with magnetic
The dynamic iron core 130 of module 100 coordinates, can be in the coil 110 and thick stick for ensureing magnetic dropout 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 coordinated with cheek 351, the cheek
The top side of plate 351 is equipped with the arcwall face 114b coordinated 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, the cheek 351 is arranged on first cheek of the lever 110 close to 210 side of bimetal leaf
351a and the second cheek 351b for being arranged on opposite side of the lever 110 far from bimetal leaf 210, the second cheek 351b is remote
Outside from bimetal leaf 210 is equipped with blind hole 351c, and shaft hole 352b, shaft hole 352b and blind hole 351c are equipped 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 (figures coordinated with guide groove 351d
3), shaft 352a is inserted into from the side of the second cheek 351b, is sequentially passed through 110 and first cheek 351a of lever and 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 extends to form extension boss 355, and the second cheek 351b is connect with extension boss 355, can be using having 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 shown Fig. 3-4, the thermal tripping module 200 are indirect heat
Formula, including the bimetal leaf 210 being fixedly connected vertical with thermal tripping fixed plate 320 and helically coiling in bimetal leaf 210
On for the thermal element 220 that is heated to bimetal leaf 210, thermal element 220 accesses electric circuit and bimetal leaf 210 is added
Heat, the heat that thermal element 220 is sent out when electric current reaches threshold value, can generate bimetal leaf 210 makes operating mechanism solution enough
The deformation quantity of lock.Certainly, the thermal tripping module 200 can also use directly-heated type, i.e., do not use thermal element 220, electric current is direct
By bimetal leaf 210, the heat that bimetal leaf 210 is sent out according to itself generates deformation or using combined type, i.e. bimetallic
There is electric current to pass through in piece 210 and thermal element 220, the heat that bimetal leaf 210 itself and thermal element 220 are sent out can make
Bimetal leaf 210 generates deformation.
One end of thermal tripping fixed plate described in present embodiment 320 is equipped with double gold plaques for fixing bimetal leaf 210
Fixing groove 321, the other end are equipped with the welded plate 343b being connect with the coil 120 of magnetic dropout module 100, and bimetal leaf 210 is vertical
Set in thermal tripping fixed plate 320, one end of thermal tripping fixed plate 320 be inserted into it is fixed in double gold plaque fixing grooves 321, the other end with
The differential attachment cooperation of motor starter, welded plate 343b is perpendicular to thermal tripping fixed plate 320 to magnetic dropout fixed plate 310
Side extension, end connect with the coil 120 of magnetic dropout module 100, and differential attachment is connect with operating mechanism, works as bimetallic
After piece 210 is heated, bimetal leaf 210 can be bent and drive and be moved close to one end of differential attachment.
A kind of specific embodiment of magnetic dropout module 100 as shown Fig. 1-3, the magnetic dropout module 100 includes and magnetic
The coil rack 140 that dropout fixed plate 310 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 dropout fixed plate 310 is equipped with the iron core through-hole 311 (Fig. 8) coordinated with dynamic iron core 130, and dynamic iron core 130 is led to across iron core
Hole 311 coordinates into the operating space 301 with lever 110, 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 is by coil 120, magnetic field force caused by coil 120 overcomes reaction spring
150 driving force is moved to static iron core 160, and dynamic iron core 130 is made to drive the action of lever 110 that operating mechanism unlock is made to disconnect electrical electricity
Road.Magnetic dropout fixed plate 310 is equipped with coil throughbore 343a in the side of iron core through-hole 311, and coil 120 passes through coil throughbore 343a
Connect with thermal tripping fixed plate 320, support plate 341 and the bearing 330 of fixed mechanism 340 are arranged at intervals, support plate 341 with
Connection space 345 corresponding with coil throughbore 343a is formed between bearing 330, connection space 345 can be in magnetic dropout module 100
Coil 120 space of operation is provided when being connect with thermal tripping fixed plate 320, connected convenient for being formed.
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 the other end is sleeved on 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 dynamic iron core 130 moves by towing plate 135.
Further, the contact plate 170 is set into zigzag, including the first contact site coordinated with wire connection terminal
171 and with coil rack 140 coordinate the second contact site 172 and be connected to the first contact site 171 and the second contact site
Third contact site 173 between 172;The bearing 330 is equipped with the wiring counterbore 1711 (Fig. 8) coordinated with wire connection terminal, magnetic
Dropout fixed plate 310 is equipped with threads off with 1711 corresponding wiring through-hole 1712 of wiring counterbore, first contact site 171 in magnetic
Wiring counterbore 1711 is corresponded in fixed plate 310 to set, and the threaded hole coordinated with wire connection terminal is equipped on the first contact site 171
1713;Second contact site 172 is arranged on the one end of coil rack 140 far from magnetic dropout fixed plate 310, in the second contact site
172 are equipped with static iron core 160 and reaction spring 150, and the second contact site 172 is equipped with the contact angle being electrically connected with coil 120
1721。
Further, the magnetic dropout fixed plate 310 is equipped with a pair in the both sides of the wiring through-hole 1712 for limiting
The limiting plate 312 of the first contact site 171 of position, the both sides of first contact site 171 are respectively equipped with the card coordinated with limiting plate 312
Block 1714, two limiting plates 312 are oppositely arranged, and the card slot 1717 coordinated with fixture block 1714 are equipped on limiting plate 312, third connects
Contact portion 173 is equipped with the second guide pad 1716 coordinated with 312 side of limiting plate, and fixture block 1714 can be caught in card slot 1717
Middle to fix the first contact site 171 with limiting plate 312, the second guide pad 1716 can be stuck in the side of limiting plate 312 to contact
Plate 170 is limited;The opposite side of the limiting plate 312 is equipped with the contact plate guide groove 1715 coordinated 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 by
It is tapered small, when installing the first contact site 171 guiding role is provided with the cooperation of fixture block 1714.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (18)
1. a kind of thermo-magnetic system structure, it is characterised in that:Including magnetic dropout module (100) and thermal tripping module (200), magnetic is threaded off
Module (100) is arranged in magnetic dropout fixed plate (310), and thermal tripping fixed plate (320) is arranged on thermal tripping fixed plate (320)
On, magnetic dropout fixed plate (310) and thermal tripping fixed plate (320) are arranged on dropout backing plate (300), and thermal tripping fixed plate
(320) between magnetic dropout fixed plate (310) and dropout backing plate (300);
The dropout backing plate (300) is connect by bearing (330) with magnetic dropout fixed plate (310), and dropout backing plate (300), magnetic take off
Button fixed plate (310) and bearing (330) surround the operating space (301) for fixing thermal tripping fixed plate (320), empty in operation
Between the side of (301) be equipped with for the fixed mechanism (340) of fixing thermal tripping fixed plate (320), thermal tripping fixed plate (320) from
Opposite side push operation space (301) is fixed on by fixed mechanism (340) on dropout backing plate (300).
2. thermo-magnetic system structure according to claim 1, it is characterised in that:The fixed mechanism (340), dropout backing plate
(300), bearing (330) and magnetic dropout fixed plate (310) are integrally formed.
3. thermo-magnetic system structure according to claim 1, it is characterised in that:The dropout backing plate (300) is equipped with and magnetic
The pivot (350) of lever (110) connection of dropout module (100), lever (110) are pivoted on pivot (350)
On, one end and the dynamic iron core (130) of magnetic dropout module (100) coordinate, 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:Described magnetic dropout fixed plate (310) one end with
Bearing (330) connects, and other end interval bimetal leaf (210) sets and forms avoiding space (302), the lever (110)
It is arranged in avoiding space (302), and is arranged on the bimetal leaf (210) of thermal tripping module (200) close to fixed mechanism (340)
Side, pivot (350) and bimetal leaf (210) are located side by side at one end of dropout backing plate (300).
5. thermo-magnetic system structure according to claim 1, it is characterised in that:The fixed mechanism (340) is including being connected to
Dropout backing plate (300) and the support plate (341) of magnetic dropout fixed plate (310) side, support plate (341) are 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, the fixed plate fixing groove (342b) coordinated with fixed block (342) is equipped in 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 more than heat
The thickness of dropout fixed plate (320), fixed block (342) and the dynamic iron core (130) of magnetic dropout module (100) are correspondingly arranged, and move iron
One end of core (130) is against on fixed block (342).
7. thermo-magnetic system structure according to claim 5, it is characterised in that:The dropout backing plate (300) is equipped with and institute
The positive stop strip (344a) of bearing (330) connection is stated, the support plate (341) is connected to positive stop strip (344a) and magnetic dropout fixed plate
(310) between, the thermal tripping fixed plate (320) is equipped with the limiting slot (344b) of V-arrangement coordinated with positive stop strip (344a), limit
The side wall of position slot (344b) side is stuck in the end face cooperation of positive stop strip (344a), and the side wall of opposite side is equipped with the fixed plate
Fixing groove (342b) and welded plate (343b), fixed plate fixing groove (342b) and welded plate (343b) are arranged at intervals, and are being limited
The limited post (344c) with the cooperation of positive stop strip (344a) side is formed on the side wall of slot (344b).
8. thermo-magnetic system structure according to claim 7, it is characterised in that:It is equipped on positive stop strip (344a) and support plate
(341) support rim (346) of connection, the support plate (341) tilt and are connected to magnetic dropout fixed plate (320) and support rim
(346) between, the connection inclined-plane (347) being connect with support plate (341) inner wall into 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) surrounds the pivot spaces (354) for accommodating lever (110) between cheek (351), and the lever (110) is including setting
It puts the pivot part (111) in pivot spaces (354) and is separately positioned on pivot part (111) both sides for magnetic to be coordinated to thread off
The power part (112) of the dynamic iron core (130) of module (100) and the driving portion (113) for trigger action, pivot part (111) are logical
It crosses shaft (352a) to be pivotally connected with cheek (351), be equipped with and shaft (352a) matched shaft hole on cheek (351)
(352b), pivot part (111) is equipped with the pivoting hole (352c) coordinated 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 dropout backing plate (300), and supporting block (353a) and fixed mechanism (340) are arranged on dropout backing plate (300)
The same side, the top of supporting block (353a) connect with cheek (351) and lever (110) are limited, supporting block (353a)
Side wall coordinates with thermal tripping fixed plate (320), and second coordinated with supporting block (353a) is equipped in thermal tripping fixed plate (320)
Limiting slot (353b).
11. thermo-magnetic system structure according to claim 10, it is characterised in that:The cheek (351) is arranged on lever
(110) close to first cheek (351a) of bimetal leaf (210) side and lever (110) is arranged on far from bimetal leaf
(210) the second cheek (351b) of opposite side, first cheek (351a) connect with the ontology of supporting block (353a), support
Side of the block (353a) far from bimetal leaf (210) extends to form extension boss (355), the second cheek (351b) and extension boss
(355) it connects.
12. thermo-magnetic system structure according to claim 10, it is characterised in that:The pivot part (111) of the lever (110)
Bimetal leaf (210) setting is parallel to, power part (112) and the pivot part (111) of lever (110) are obliquely installed, power part
(112) it is arranged between fixed mechanism (340) and bimetal leaf (210) and matches with the dynamic iron core of magnetic dropout module (100) (130)
It closes.
13. according to any thermo-magnetic system structures of claim 1-12, it is characterised in that:The thermal tripping module (200)
Including the bimetal leaf (210) being arranged in thermal tripping fixed plate (320) and it is wound on bimetal leaf (210) to bimetallic
The thermal element (220) of piece (210) heating.
14. thermo-magnetic system structure according to claim 13, it is characterised in that:The one of the thermal tripping fixed plate (320)
End is equipped with double gold plaque fixing grooves (321) for fixing bimetal leaf (210), and the other end is equipped with and magnetic dropout module (100)
The welded plate (343b) of coil (120) connection, bimetal leaf (210) are set perpendicular to thermal tripping fixed plate (320), and thermal tripping is solid
One end of fixed board (320) is inserted into double gold plaque fixing grooves (321) and is fixed, and the differential attachment of the other end and motor starter is matched
It closes, welded plate (343b) extends perpendicular to thermal tripping fixed plate (320) to the side of magnetic dropout fixed plate (310), end and magnetic
Coil (120) connection of dropout module (100).
15. according to any thermo-magnetic system structures of claim 1-12, it is characterised in that:The magnetic dropout module (100)
Including coil (120), dynamic iron core (130), reaction spring (150) and lever (110), further include and magnetic dropout fixed plate (310)
The coil rack (140) of connection is equipped with coil (120) in the outside of coil inner frame (140), and coil (120) passes through contact plate
(170) electric circuit is accessed, dynamic iron core (130) and reaction spring (150) are equipped in the inner cavity of coil rack (140), magnetic takes off
Fixed plate (310) is detained equipped with the iron core through-hole (311) coordinated with dynamic iron core (130), dynamic iron core (130) is across iron core through-hole
(311) coordinate with lever (110);Short circuit current overcomes counter-force bullet by coil (120) activation lever (110) when coil (120)
The driving force of spring (150) drives lever (110) to act.
16. thermo-magnetic system structure according to claim 15, it is characterised in that:The dynamic iron core (130) includes iron core sheet
Body (131) and it is separately positioned on the spring shaft (132) at both ends and axis of traction (133);Spring shaft (132) outer diameter is less than iron core sheet
Body (131) simultaneously forms step-like spring positioning face (134), and described reaction spring (150) one end is against on contact plate (170),
The other end is sleeved on the outside of spring shaft (132) and is against on spring positioning face (134);One end of axis of traction (133) and core body
(131) it connects, the other end is equipped with towing plate (135), and the outer diameter of axis of traction (133) is between towing plate (135) and core body
(131) between, the pull-up space for accommodating the lever (110) is formed between towing plate (135) and core body (131)
(136)。
17. thermo-magnetic system structure according to claim 16, it is characterised in that:The contact plate (170) sets into zigzag
It puts, including the first contact site (171) coordinated with wire connection terminal and the second contact site coordinated with coil rack (140)
(172) and the third contact site (173) that is connected between the first contact site (171) and the second contact site (172);The branch
Seat (330) is equipped with the wiring counterbore (1711) coordinated with wire connection terminal, and magnetic dropout fixed plate (310) is equipped with and wiring counterbore
(1711) corresponding wiring through-hole (1712), first contact site (171) correspond to wiring in magnetic dropout fixed plate (310) and sink
Hole (1711) is set, and the threaded hole (1713) coordinated with wire connection terminal is equipped on the first contact site (171);Second contact
Portion (172) is arranged on the one end of coil rack (140) far from magnetic dropout fixed plate (310), is equipped on the second contact site (172)
Static iron core (160) and reaction spring (150).
18. thermo-magnetic system structure according to claim 17, it is characterised in that:The magnetic dropout fixed plate (310) is in institute
The both sides of wiring through-hole (1712) stated be equipped with it is a pair of for limiting the limiting plate (312) of the first contact site (171), described first
The both sides of contact site (171) are respectively equipped with the fixture block (1714) with limiting plate (312) cooperation, and two limiting plates (312) are opposite to be set
It puts, the card slot (1717) coordinated with fixture block (1714) is equipped on limiting plate (312), third contact site (173) is equipped with and institute
The second guide pad (1716) of limiting plate (312) side cooperation is stated, fixture block (1714) can be caught in first in card slot (1717)
Contact site (171) is fixed with limiting plate (312), and the second guide pad (1716) can be stuck in the side of limiting plate (312) to contact
Plate (170) is limited;The opposite side of the limiting plate (312) is equipped with the contact plate guide groove coordinated with fixture block (1714)
(1715), contact plate guide groove (1715) is connect with the card slot (1717), and contact plate guide groove (1715) is along close to card slot
(1717) direction internal diameter is gradually reduced.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721007714.0U CN207587671U (en) | 2017-08-11 | 2017-08-11 | Thermo-magnetic system structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721007714.0U CN207587671U (en) | 2017-08-11 | 2017-08-11 | Thermo-magnetic system structure |
Publications (1)
Publication Number | Publication Date |
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CN207587671U true CN207587671U (en) | 2018-07-06 |
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ID=62717845
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109390192A (en) * | 2017-08-11 | 2019-02-26 | 浙江正泰电器股份有限公司 | Thermo-magnetic system structure |
-
2017
- 2017-08-11 CN CN201721007714.0U patent/CN207587671U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109390192A (en) * | 2017-08-11 | 2019-02-26 | 浙江正泰电器股份有限公司 | Thermo-magnetic system structure |
CN109390192B (en) * | 2017-08-11 | 2024-05-17 | 浙江正泰电器股份有限公司 | Thermomagnetic system structure |
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