CN105118747B - A kind of drop-away reset device of breaker - Google Patents
A kind of drop-away reset device of breaker Download PDFInfo
- Publication number
- CN105118747B CN105118747B CN201510616332.7A CN201510616332A CN105118747B CN 105118747 B CN105118747 B CN 105118747B CN 201510616332 A CN201510616332 A CN 201510616332A CN 105118747 B CN105118747 B CN 105118747B
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- CN
- China
- Prior art keywords
- housing
- release lever
- release
- reset
- buckle
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
-
- 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
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The present invention provides a kind of drop-away reset device of breaker, it includes housing and release link, resetting spring, release lever and trip spring on housing, the release lever is hubbed at by pivot one on housing, trip spring is set between housing and release lever, the middle part of the release link is hubbed at by pivot two on housing, resetting spring is set between upper end and the rear of release link, the lower end of release link extends and passes through buckling device rearward mutually to be fastened or detaches with release lever, and present invention is mainly used on omnipotent breaker.
Description
Technical field
The present invention relates to a kind of omnipotent breaker, more particularly to a kind of trip operation mechanisms for omnipotent breaker
Drop-away reset device after separating brake action.
Background technology
Omnipotent breaker is generally used for exchange 50Hz, rated operational voltage 400V, 690V, rated current 630-
In the distribution network of 6300A, there is high breaking, short arcing or zero arcing, omnipotent breaker is in distribution electric energy
Simultaneously have protection circuit and equipment from the failures such as overload, under-voltage, short circuit, single-phase earthing influence, increase Electrical Safety with
The reliability of electrical equipment.
Well known omnipotent breaker mainly includes drawer chassis and the removable breaker body on drawer chassis, described
Breaker body is equipped with contact system, intelligent controller, motor-operating mechanism, manual energy storing device, auxiliary contact and arc extinguishing system
System, in special circumstances, which is additionally provided with under-voltage release, shunt release, interlock etc., aforementioned each composition
Part according to after its functional assembly for connecting or disconnecting circuit.
On June 6th, 2012, the Chinese patent ZL201120409264.4 of bulletin disclosed a kind of controller of low-voltage circuit breaker
Pedestal, operating mechanism and controller including breaker body, on the outside of breaker body；The controller includes circuit
Part and pedestal, the pedestal include pedestal and the trip assembley therefor, stop assembly, the reset assembly that are placed in pedestal, reset group
For part for being resetted to trip assembley therefor, trip assembley therefor includes electromagnet and a monolithic devices push plate, and electromagnet pushes push plate, push plate
Strike end impact trip operation mechanism, be also formed with the stop cavity coordinated with stop assembly in the push plate, the technical solution
By the way that the first push plate of the prior art and the second push plate are integrally formed so that the reliability of entire push plate installation improve and
It is not susceptible to loosen.
In the technical scheme, stop assembly（That is resetting apparatus of the invention）Including arresting lever（Referring to the patent document
Instructions Page 6 second segment and Figure of description 6 and Fig. 7）, elastic spring and pivot, the arresting lever is in a bar shaped lever, only
One end of lever is flat press section, is operated for external force, and the middle part of arresting lever is equipped with hub setting circular hole for coordinating pivot, makes
Arresting lever is present swingable in vivo, be specifically exactly arresting lever by pivot hub setting on the hub setting seat on pedestal, only
The other end of lever is equipped with stop end, is formed in the stop end perpendicular for coordinating with the first stop cavity, the second stop cavity
Straight bending, when push plate is in initial position（That is horizontal position）, push plate at this time should be close to electromagnet, and the stop end of arresting lever be stretched
Enter the second stop cavity of push plate and stablize anti-thrust plate relatively to be rotated up, after swinging when push plate is pushed through the iron core of electromagnet
（That is obliquity）, stop end falls into the first stop cavity and stabilization is swung up so as to limit push plate relatively.Above-mentioned push plate is from water
It is the process that circuit breaker operation mechanism performs trip action that prosposition, which is put and goes to obliquity, after extraneous troubleshooting, is needed pair
When arresting lever is resetted, well known mode of operation is by being set on the button of the elastic spring opposite side of arresting lever upper end into pedestrian
Work hand-reset, i.e., by overcoming the elastic force of elastic spring that arresting lever is made to rotate certain angle, push plate at this time is in the effect of torsional spring
Under from obliquity be returned to horizontal position.
Based on the aforementioned prior art, the breaker also there are such deficiency, i.e. stop assembly overall construction design excessively
Complexity, particularly arresting lever and working strength between push plate and stability are inadequate, and the reliability of breaker needs further
Strengthen.
Invention content
Optimize the breaker of assembling structure and intensity between release link and release lever the object of the present invention is to provide a kind of
Drop-away reset device.
To solve aforementioned technical problem, the technical solution adopted in the present invention is such：A kind of dropout of breaker is answered
Position device, release link, resetting spring, release lever and trip spring, the release lever including housing and on housing pass through
Pivot one is hubbed on housing, and trip spring is set between housing and release lever, and the middle part of the release link passes through two pivot of pivot
On housing, defining housing, there is the forepart of oriented manipulation person and the rear portion of the housing opposite with forepart, resetting spring to set
Between the upper end of release link and rear, the lower end of release link extends downwards simultaneously to the rear portion of housing and passes through fastening dress
It puts and mutually fastens or detach with release lever.
The drop-away reset device of above-mentioned breaker, the middle part of the release link are equipped with the blade extended to the forepart of housing,
Cavity between the blade and release lever is equipped with remote reset electromagnet, the output shaft of the remote reset electromagnet with
The lower surface of blade approaches or contacts setting.
The drop-away reset device of above-mentioned breaker, the buckling device include buckle and card hole, and the buckle, which is set on, to be resetted
Bar lower end, along the link block for being equipped with part extension upwards, the card hole is set on should for the release lever side adjacent with rear
On link block, the free end of the buckle extends towards the rear portion of housing, release lever nationality by be buckled with card hole it is mutual fasten or
Person's separation makes release lever be in dropout and resets two operating positions.
The drop-away reset device of above-mentioned breaker, including a push plate, one end of the push plate is hubbed on housing, push plate
The other end is separated set on the top of blade, and the top of push plate is equipped at least one auxiliary switch, and each auxiliary switch touches
Point approaches or contacts setting with the upper surface of push plate.
The drop-away reset device of above-mentioned breaker, the buckle upper surface is an arc surface, is in contact with buckle upper surface
The card hole inner face be same radius arc surface, two arc surfaces are the center of circle all with pivot two in trip positions.
The drop-away reset device of above-mentioned breaker, the buckle rear end surface is the second arc surface, when release link is in
During reset position, the center of circle of second arc surface is overlapped with the axial line of the pivot one of release lever.
By using preceding solution, the beneficial effects of the invention are as follows：Between the lower end of the release link and release lever
Fastening be to be realized by buckling device, and the buckling device be set on housing rear portion, in this way be located at release lever above and reset
Just there is bigger accommodating cavity in position in front of bar, and on the one hand this kind of structure simplifies structure and assembly relation between the two, together
When the assembling intensity that both strengthens, the buckling state of release lever and release link either is in resetting in trip positions
Position is all highly stable, and the reliability of buckling device greatly reinforces, and then provides possibility for installation remote reset electromagnet.
Description of the drawings
Fig. 1 is the assembling schematic diagram of the embodiment of the present invention；
Fig. 2 is the stereogram of the embodiment of the present invention；
Fig. 3 is the stereogram at another visual angle of the embodiment of the present invention；
Fig. 4 is the three-dimensional exploded view of the embodiment of the present invention；
Fig. 5 is reset state schematic diagram of the embodiment of the present invention；
Fig. 6 is trip status schematic diagram of the embodiment of the present invention；
Fig. 7 is schematic view of the mounting position on-board the circuit breaker of the embodiment of the present invention；
Fig. 8 is that the embodiment of the present invention is caught in card hole starting stage schematic diagram in buckle；
Fig. 9 is that the embodiment of the present invention exits card hole starting stage schematic diagram in buckle；
Figure 10 be the embodiment of the present invention release link from reset to thread off again to the schematic diagram of reset.
Specific embodiment
Explanation：It is convenient to read in the background technology part of the present invention, related components are employed and former patent document
Mutually unified term；And the present invention invention content, specific embodiment and claims forms part, then using industry universal
Term, there are inconsistent places between the two, and offer some clarification prevents from misreading herein, more specifically：First patent document
The arresting lever the mentioned i.e. release link of technical solution of the present invention, the i.e. technical solution of the present invention of the push plate that first patent document is mentioned
Release lever, and the push plate that technical solution of the present invention is mentioned refers to the tablet for resetting auxiliary switch.
With reference to figure 7, technical scheme of the present invention is related to the rear portion of housing, the housing and each composition portion being mounted thereon
It is finally to be assemblied on breaker body to divide, and well known omnipotent breaker has operation button and the energy storage of oriented manipulation person
Handle 9 defines the housing that side adjacent with operator here（That side of operation handle 9 is set）Before housing
Portion, that side opposite with the forepart of housing are the rear portion of housing, and the rear portion of the housing is adjacent with tactile bridge.
Simultaneously housing, release lever and torsional spring are referred in technical scheme of the present invention, it should be noted that here
Housing is not only to fix to use as resetting apparatus, while also serves as the fixed of other associated components and use, that is to say, that shell
Body is as existing for a common component, and the release lever also not only as existing for the function of resetting apparatus, takes off simultaneously
The component part that button bar also serves as trip gear exists, and the present invention is to become apparent from stating and define when stating resetting apparatus
Its component part and the restriction carried out, it is thus understood that fallen as long as including the technical characteristic that claim is limited on the breaker
Enter protection scope of the present invention rather than the nonuniqueness based on certain component functions and twisting for biding farewell.
On the basis of preceding description, the present invention is explained for an embodiment in conjunction with attached drawing.
Referring to figs. 1 to Figure 10, the embodiment of the present invention discloses a kind of breaker, and breaker is equipped with housing 1,1 on housing
Equipped with release link 2, resetting spring（It is not shown in figure）, release lever 3, torsional spring 4（That is trip spring）, it is remote reset electromagnet 5, de-
Button electromagnet 6, auxiliary switch 7 and push plate 8, the release lever 3 pass through pivot 31（That is pivot one）It is hubbed on housing 1 so that de-
Button bar 3 can be in reset position relative to pivot 31（Fig. 5）And trip positions（Fig. 6）Between rotate, release electromagnet 6 and breaker
The electrical connection of electric control system output terminal, with release lever 3 close to setting, torsional spring 4 is set on housing for the output shaft of release electromagnet 6
Between 1 and release lever 3, for the release link 2 substantially in a rod-shaped extension, the middle part of release link 2 passes through pivot 21（That is pivot two）
It being hubbed on housing 1, " middle part of release link 2 " here is a relatively wide in range concept, as long as that is, in release link two
If part other than end forms a fulcrum, then release link can be relatively rotated relative to the fulcrum, then this branch
Point either close to the geometry near middle of release link or near some end, is all being unified to form foregoing reset bar
Middle part.The upper end of release link 2 is nearby equipped with spring base 22, and resetting spring is set between spring base 22 and rear, release link 2
Rear portion from lower end to housing 1 extension and its end be equipped with buckle 23, be buckled 23 free end towards housing 1 rear portion extend,
An arc surface 232 is in the upper surface of the buckle 23, and the arc surface 232 is using the axial line of pivot 21 as the center of circle, the dropout
Bar 3 is located at 1 rear portion of housing and corresponds to link block 35 of the position of buckle 23 equipped with part extension upwards, and the card hole 32, which is set on, to be connected
On block 35, the link block 35 can be integrally formed to be integrally connected or be detachably connected setting, institute with release lever 3
State the inner face of card hole 32（The face contacted with 23 upper surfaces of buckle）For the arc surface 321 of same radius, and when dropout plate 3 is in
During trip positions, arc surface 232 is overlapped with the center of circle of arc surface 321 with 21 axial line of pivot so that buckle 23 with
Card hole 32 mutually fastens mutually the fastening or detaching and make release lever by buckle 23 and card hole 32 of more smooth nationality when either detaching
3 detain in threading off and closing（Reset）Two stable positions.Prolong in addition, the middle part of the release link 2 is equipped with to 1 forepart of housing
The blade 24 stretched, the front of the release link 2 and the cavity between the blade 24 and release lever 3 are equipped with remote reset electricity
Magnet 5, output shaft 51 and 24 lower surface of blade of the remote reset electromagnet 5 approach or contact setting for pushing blade
24 are rotated up, and remote reset electromagnet 5 is controlled by the control system of breaker for being resetted to release link 2, push plate 8
One end is rotatably set on housing 1 by pivot 81, and the other end of push plate 8 is separated set on the top of blade 24, push plate 8 it is upper
Auxiliary switch 7 there are two just setting, the contact of each auxiliary switch 7 and the close setting in the upper surface of push plate 8（Certainly with that can connect
Touch setting）.
With reference to figure 8 and Fig. 9, the upper surface of the buckle 23 for an arc surface 232, be in contact with buckle upper surface described in
The inner face of card hole 32 is the arc surface 321 of same radius, and two arc surfaces are the center of circle all with pivot 21 in trip positions.And
And the rear end surface of buckle 23 is arc surface 231, when release link 2 be in reset position, the center of circle of the arc surface 231 and
The axial line of the pivot 31 of release lever 3 overlaps.With reference to figure 10, the release link 2 is with release lever 3 in a direction indicated by the arrow by upper left
The reset position at angle, be transitioned into thread off moment, then to completely thread off, then to the lower left corner reset before release link it is opposite with release lever position
The change process of position.
In above-mentioned each component part, release link 2, release lever 3, remote reset electromagnet 5, resetting spring, 4 common groups of torsional spring
Into the resetting apparatus of breaker.
Breaker normally close a floodgate energization when, if the control system detects that during overcurrent, release electromagnet 6 acts, thread off
The iron core of electromagnet 6 pushes release lever 3 to rotate certain angle, the strike end impact trip operation of release lever 3 along its pivot 31
Mechanism realizes trip action, and in the process, release link 2 is under the elastic force effect of resetting spring so that buckle 23 is arranged in card hole
In 32（Position i.e. shown in Fig. 6）, when needing to reset breaker after external fault exclusion, on the one hand, Ke Yitong
To cross hand push button overcome the elastic force of resetting spring to be moved by the upper end of release link 2 to 1 rear portion of housing, at this time 2 lower end of release link
Buckle 23 is exited from card hole 32（Position i.e. shown in Fig. 5）, at this time release lever 3 be returned to level under the action of torsional spring 4
Position, the process of this hand-reset can also be realized by remote reset electromagnet 5, i.e., control system receives remote reset
Reset signal, the iron core action of remote reset electromagnet 5 are sent out to remote reset electromagnet 5 after signal, output shaft 51 pushes
Blade 24 moves up, and is resetted so that the buckle 23 of release link 2 detaches realization with card hole 32.
Claims (5)
1. a kind of drop-away reset device of breaker, it is characterised in that：Release link, reset bullet including housing and on housing
Spring, release lever and trip spring, the release lever are hubbed at by pivot one on housing, and trip spring is set on housing and release lever
Between, the middle part of the release link is hubbed at by pivot two on housing, define housing have oriented manipulation person forepart and
The rear portion of the housing opposite with forepart, resetting spring are set between upper end and the rear of release link, the lower end of release link to
Extend to the rear portion of housing simultaneously down and pass through buckling device and mutually fasten or detach with release lever；
The buckling device includes buckle and card hole, and the buckle is set on release link lower end, the release lever and rear phase
Adjacent side is set on along the link block for being equipped with part extension upwards, the card hole on the link block, the free end direction of the buckle
Housing rear portion extension, release lever nationality by be buckled with card hole mutually fasten or detach make release lever be in thread off and reset two
A operating position.
2. the drop-away reset device of breaker according to claim 1, it is characterised in that：The middle part of the release link is equipped with
The blade extended to the forepart of housing, the cavity between the blade and release lever is equipped with remote reset electromagnet, described
Output shaft and the lower surface of blade of remote reset electromagnet approach or contact setting.
3. the drop-away reset device of breaker according to claim 2, it is characterised in that：Including a push plate, the push plate
One end be hubbed on housing, the other end of push plate is separated set on the top of blade, and the top of push plate is equipped at least one auxiliary
Switch is helped, contact and the upper surface of push plate of auxiliary switch approach or contact setting.
4. the drop-away reset device of breaker according to claim 1, it is characterised in that：The buckle upper surface is a circle
Cambered surface, the inner face of the card hole being in contact with buckle upper surface are the arc surface of same radius, and two arc surfaces are de-
Button bit is put all with pivot two as the center of circle.
5. the drop-away reset device of breaker according to claim 4, it is characterised in that：The buckle rear end surface is
Second arc surface, when release link is in reset position, the axle center of the center of circle of second arc surface and the pivot one of release lever
Line overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616332.7A CN105118747B (en) | 2015-09-24 | 2015-09-24 | A kind of drop-away reset device of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510616332.7A CN105118747B (en) | 2015-09-24 | 2015-09-24 | A kind of drop-away reset device of breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105118747A CN105118747A (en) | 2015-12-02 |
| CN105118747B true CN105118747B (en) | 2018-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510616332.7A Active CN105118747B (en) | 2015-09-24 | 2015-09-24 | A kind of drop-away reset device of breaker |
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| Country | Link |
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| CN (1) | CN105118747B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068258B (en) * | 2021-12-22 | 2022-07-15 | 浙江创奇电气有限公司 | Circuit breaker of magnetic reset mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604601A (en) * | 2009-06-05 | 2009-12-16 | 上海诺雅克电气有限公司 | Quick trip breaker with function of pneumatic actuation trip |
| CN202268311U (en) * | 2011-10-25 | 2012-06-06 | 常熟开关制造有限公司(原常熟开关厂） | Controller pedestal of low-voltage circuit breaker |
| CN204289302U (en) * | 2014-12-25 | 2015-04-22 | 常熟开关制造有限公司(原常熟开关厂） | A kind of Sub-gate release device of circuit breaker |
| CN204991629U (en) * | 2015-09-24 | 2016-01-20 | 厦门宏发开关设备有限公司 | Dropout resetting means of circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3165185B2 (en) * | 1991-08-28 | 2001-05-14 | シュネデール エレクトリック インダストリーズ エスエー | Circuit breaker trip device |
-
2015
- 2015-09-24 CN CN201510616332.7A patent/CN105118747B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604601A (en) * | 2009-06-05 | 2009-12-16 | 上海诺雅克电气有限公司 | Quick trip breaker with function of pneumatic actuation trip |
| CN202268311U (en) * | 2011-10-25 | 2012-06-06 | 常熟开关制造有限公司(原常熟开关厂） | Controller pedestal of low-voltage circuit breaker |
| CN204289302U (en) * | 2014-12-25 | 2015-04-22 | 常熟开关制造有限公司(原常熟开关厂） | A kind of Sub-gate release device of circuit breaker |
| CN204991629U (en) * | 2015-09-24 | 2016-01-20 | 厦门宏发开关设备有限公司 | Dropout resetting means of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105118747A (en) | 2015-12-02 |
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