CN206432221U - A kind of quick-tripping device of low-voltage circuit breaker executing agency - Google Patents
A kind of quick-tripping device of low-voltage circuit breaker executing agency Download PDFInfo
- Publication number
- CN206432221U CN206432221U CN201720010619.XU CN201720010619U CN206432221U CN 206432221 U CN206432221 U CN 206432221U CN 201720010619 U CN201720010619 U CN 201720010619U CN 206432221 U CN206432221 U CN 206432221U
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- Prior art keywords
- push pedal
- power
- quick
- executing agency
- plate
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Abstract
The utility model discloses a kind of quick-tripping device of low-voltage circuit breaker executing agency, the quick-tripping device, which is set, includes power-assisted plate, energy-stored spring, push pedal and the jam plate for pinning power-assisted plate, power-assisted plate, push pedal and jam plate are installed in rotation on pedestal, when the control section of the low-voltage circuit breaker detects fault-signal, output threads off instruction to executing agency, magnetic flow convertor energized action, magnetic flux push rod stretches out, magnetic flux push rod promotes push pedal to rotate, jam plate is driven to rotate together while push pedal is rotated, jam plate gives the unblock of power-assisted plate after rotating, power-assisted plate is quickly moved under the pulling force effect of energy-stored spring, accelerate push pedal, breaker quick acting switching-off is driven to thread off.Quick-tripping device in the technical program, can accelerate the movement velocity of executing agency's push pedal, so as to reduce the drop-away time of breaker, improve the breaking capacity of breaker, drop-away time accelerates 20% than the drop-away time of prior art, substantially increases dropout efficiency.
Description
Technical field
The utility model is related to low voltage equipment technical field, and in particular to a kind of low-voltage circuit breaker executing agency it is fast
Fast trip gear.
Background technology
Low-voltage circuit breaker is also known as automatic air-break switch or automatic air circuit breaker, abbreviation breaker.It is a kind of existing hand
Dynamic on-off action, the electrical equipment of decompression, under-voltage, overload and short-circuit protection can be carried out automatically again.It can be used to distribute electric energy, not frequently
Start asynchronous motor numerously, power circuit and motor etc. are carried out and protected, when their serious overloads of generation or short circuit
And during the failure such as under-voltage can automatic shutdown circuit, its function combines equivalent to Fuse switch and mistake underheat relay etc..And
And it is latter in disjunction fault current as need not change parts, obtained a wide range of applications.
Low-voltage circuit breaker is a kind of larger electrical equipment component of capacity, and it generally divides corresponding to different distribution systems
It is that Technologies for AC Low Voltage Circuit Breakers and low pressure really flow breaker.In above-mentioned low-voltage distribution system, under normal circumstances, breaker is by closing
Close or disconnect, reach the purpose of power supply, power failure and change-over circuit.And when local overload, decompression or under-voltage and short circuit occurs in power network
Etc. abnormal conditions when, breaker can automatically will load from power network disconnect isolation, so that it is guaranteed that the safety of personnel and equipment.
The executing agency of existing breaker does not have quick-tripping device, and the push pedal of executing agency can only be in magnetic flow convertor
Lower action is promoted, so as to drive breaker open operation, this process drop-away time is longer, be unfavorable for point of breaker in a short-circuit situation
It is disconnected.
The content of the invention
The purpose of this utility model is exactly that proposition is a kind of to reduce open circuit in order to solve the above-mentioned problems in the prior art
Device drop-away time, the quick-tripping device of the low-voltage circuit breaker executing agency of raising breaker breaking capacity.
The purpose of this utility model is achieved through the following technical solutions：A kind of the quick of low-voltage circuit breaker executing agency takes off
Buckle device, is arranged in the pedestal of executing agency, and the quick-tripping device, which is set, includes power-assisted plate, energy-stored spring, push pedal and use
In the jam plate for pinning power-assisted plate, the power-assisted plate, the push pedal and the jam plate are installed in rotation on the pedestal, institute
State energy-stored spring to be connected with the power-assisted plate, one end of the push pedal is connected with a magnetic flow convertor, sets in the magnetic flow convertor
There is a magnetic flux push rod, the magnetic flux push rod is extended through to be contacted in the push pedal and with the push pedal, when the low-voltage circuit breaker
When control section detects fault-signal, dropout instruction is sent to executing agency, the magnetic flow convertor energized action, the magnetic
Logical push rod stretches out, and the magnetic flux push rod promotes the push pedal to rotate, and the push pedal drives the jam plate to turn together while rotation
Dynamic, the jam plate gives power-assisted plate unblock after rotating, and the power-assisted plate is quick under the pulling force effect of the energy-stored spring
Motion, accelerates the push pedal, drives breaker quick acting switching-off to thread off.
Preferably, a SR is additionally provided with the pedestal of the executing agency, the SR, which is mechanically connected, one
For the bar linkage structure to power-assisted sheet reset, the bar linkage structure includes the release link and fortune synchronous with the release link for guiding
Dynamic first connecting rod and second connecting rod.
Preferably, during reset, by pressing the SR, the SR drives the release link linkage, institute
State release link and drive the first connecting rod and second connecting rod motion, the first connecting rod and second connecting rod drive the power-assisted plate to answer
Position, the jam plate resets in the presence of itself torsion spring while the power-assisted sheet reset, while driving the push pedal multiple together
Position.
Preferably, the energy-stored spring is stretched after the power-assisted sheet reset, and the energy-stored spring is stored up again again
Can, so that rapid-releasing is used next time.
Preferably, one end of the energy-stored spring is hung on the power-assisted plate, and the other end is hung on the pedestal of executing agency.
Preferably, the push pedal is shaped as a Z-shaped.
Preferably, a L-shaped groove is provided with the push pedal, one end of the power-assisted plate, which is abutted, to be positioned in the L-shaped groove simultaneously
Remain and contact with the push pedal.
Preferably, the power-assisted plate, push pedal and the jam plate synchronously rotate, and the rotation of the jam plate and push pedal
Center is point-blank.
The advantage of technical solutions of the utility model is mainly reflected in：Quick-tripping device in the technical program, can accelerate
The movement velocity of executing agency's push pedal, so as to reduce the drop-away time of breaker, improves the breaking capacity of breaker, drop-away time
Drop-away time than prior art accelerates 20%, substantially increases dropout efficiency.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of the quick-tripping device of low-voltage circuit breaker executing agency of the utility model；
Fig. 2 is a kind of profile of the quick-tripping device of low-voltage circuit breaker executing agency of the utility model；
10--- pedestals, 20--- power-assisted plates, 30--- energy-stored springs, 40--- push pedals, 50--- jam plates, the conversion of 60--- magnetic fluxs
Device, 61--- magnetic flux push rods, 70--- SRs, 80--- linkages, 81--- release links, 82--- first connecting rods, 83---
Second connecting rod.
Embodiment
The purpose of this utility model, advantage and feature, will be schemed by the non-limitative illustration of preferred embodiment below
Show and explain.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent substitution or wait
Technical scheme formed by effect conversion, all fall within the utility model it is claimed within the scope of.
The utility model discloses a kind of quick-tripping device of low-voltage circuit breaker executing agency, as shown in figure 1, the low pressure
The quick-tripping device of circuit breaker actuating mechanism is arranged in the pedestal 10 of executing agency, and the quick-tripping device, which is set, to be included helping
Power plate 20, energy-stored spring 30, push pedal 40 and the jam plate 50 for pinning power-assisted plate.The power-assisted plate 20, the push pedal 40 and institute
State jam plate 50 to be installed in rotation on the pedestal 10, in the present embodiment, the push pedal 40 is preferably shaped to a Z-shaped
Type, the push pedal is alternatively other shapes, and the present embodiment merely provides a kind of most preferred mode, and the shape to push pedal is not done
It is specifically defined.The energy-stored spring 30 is connected with the power-assisted plate 20, specifically, and one end of the energy-stored spring 30 hangs over institute
State on power-assisted plate 20, the other end is hung on the pedestal 1 of executing agency, the energy-stored spring 30 works in breaker operator,
Drop-away time can be reduced to 9ms by 11ms, and comparing dropout efficiency with the drop-away time of prior art improves 20%.It is described to help
The energy-stored spring 30 is stretched after power plate 20 resets, and the energy-stored spring 3 is again by energy storage again, so as to next time quick
Thread off and use.Be provided with a L-shaped groove in the push pedal 40, one end of the power-assisted plate 20 abut be positioned in the L-shaped groove and with institute
State push pedal 40 and remain contact.The power-assisted plate 20, push pedal 40 and the jam plate 50 synchronously rotate, and the jam plate
50 and push pedal 40 pivot point-blank.
One end of the push pedal 4 is connected with a magnetic flow convertor 6, as shown in Fig. 2 being provided with a magnetic in the magnetic flow convertor 6
Logical push rod 61, the magnetic flux push rod 61 is extended through in the push pedal 4 and contacted with the push pedal 4, when the low-voltage circuit breaker
When control section detects fault-signal, dropout instruction is sent to executing agency, the energized action of magnetic flow convertor 6 is described
Magnetic flux push rod 61 stretches out, and the magnetic flux push rod 61 promotes the push pedal 40 to rotate, and the push pedal 4 drives the lock while rotation
Plate 50 is rotated together, and the jam plate 50 is unlocked after rotating to the power-assisted plate 20, is helped after the certain stroke of jam plate motion
Power plate is unlocked, and the power-assisted plate 20 is quickly moved under the pulling force effect of the energy-stored spring 30, the push pedal 40 is accelerated fortune
Dynamic, specifically, the push pedal 40 drives the separating brake semiaxis of operating mechanism in breaker to rotate, and drives the contact separating brake of breaker,
And then whole breaker quick acting switching-off is threaded off, reduce the time threaded off.
A SR 70 is additionally provided with the pedestal 1 of the executing agency, the SR 70, which is mechanically connected, a use
In the bar linkage structure 80 to power-assisted sheet reset, the bar linkage structure 80 include for guiding release link 81 and with the release link 81
The first connecting rod 82 and second connecting rod 83 being synchronized with the movement.
During reset, by pressing the SR 70, the SR 70 drives the release link 81 to link, passed through
Pressing this release link 81 can be to the power-assisted sheet reset, after the release link is pressed down, and the release link 81 drives described the
One connecting rod 82 and second connecting rod 83 are moved, and the first connecting rod 82 and second connecting rod 83 drive the power-assisted plate 20 to reset, described
The jam plate 50 resets in the presence of itself torsion spring while power-assisted plate 20 resets, while driving the push pedal 40 multiple together
Position.
Quick-tripping device in the technical program, can accelerate the movement velocity of executing agency's push pedal, so as to reduce open circuit
The drop-away time of device, improves the breaking capacity of breaker, and drop-away time accelerates 20% than the drop-away time of prior art, significantly
Ground improves dropout efficiency.When controller detects fault-signal, dropout instruction is sent to executing agency, now magnetic flux conversion
Device energized action, promotes push pedal to rotate, and push pedal drives jam plate motion, so as to give the unblock of power-assisted plate, power-assisted plate is in energy-stored spring
Under pulling force effect, quick acting so that push pedal is accelerated, so that breaker quick acting switching-off is driven, limited reduction breaker
Drop-away time, improves breaker pitch capability, makes breaker performance in the case of Short-Circuit High Current relatively reliable.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit and essential characteristics of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model, any reference in claim should not be considered as into limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (8)
1. the quick-tripping device of low-voltage circuit breaker executing agency, is arranged on the pedestal of executing agency（10）It is interior, it is characterised in that：
The quick-tripping device, which is set, includes power-assisted plate（20）, energy-stored spring（30）, push pedal（40）And for pinning the jam plate of power-assisted plate
（50）, the power-assisted plate（20）, the push pedal（40）And the jam plate（50）It is installed in rotation on the pedestal（10）On,
The energy-stored spring（30）With the power-assisted plate（20）Connection, the push pedal（40）One end be connected with a magnetic flow convertor
（60）, the magnetic flow convertor is interior to be provided with a magnetic flux push rod（61）, the magnetic flux push rod（61）Extend through in the push pedal（40）It is interior
And with the push pedal（40）Contact, when the control section of the low-voltage circuit breaker detects fault-signal, export dropout instruction to
Executing agency, the magnetic flow convertor（60）Energized action, the magnetic flux push rod（61）Stretch out, the magnetic flux push rod（61）Promote
The push pedal（40）Rotate, the push pedal（40）The jam plate is driven while rotation（50）Rotate together, the jam plate（50）
The power-assisted plate is given after rotation（20）Unblock, the power-assisted plate（20）In the energy-stored spring（30）Pulling force effect under it is quick
Motion, makes the push pedal（40）Accelerate, drive breaker quick acting switching-off to thread off.
2. the quick-tripping device of low-voltage circuit breaker executing agency according to claim 1, it is characterised in that：It is described to perform
The pedestal of mechanism（10）On be additionally provided with a SR（70）, the SR（70）Mechanical connection has one to be used to give power-assisted plate
The bar linkage structure of reset（80）, the bar linkage structure（80）Include the release link for guiding（81）And with the release link（81）Together
Walk the first connecting rod of motion（82）And second connecting rod（83）.
3. the quick-tripping device of low-voltage circuit breaker executing agency according to claim 2, it is characterised in that：During reset,
By pressing the SR（70）, the SR（70）Drive the release link（81）Linkage, the release link
（81）Drive the first connecting rod（82）And second connecting rod（83）Motion, the first connecting rod（82）And second connecting rod（83）Drive
The power-assisted plate（20）Reset, the power-assisted plate（20）Jam plate while reset（50）It is multiple in the presence of itself torsion spring
Position, while driving the push pedal（40）Reset together.
4. the quick-tripping device of low-voltage circuit breaker executing agency according to claim 3, it is characterised in that：The power-assisted
Plate（20）The energy-stored spring after reset（30）It is stretched, the energy-stored spring（30）Again by energy storage again, so as to next
Secondary rapid-releasing is used.
5. the quick-tripping device of low-voltage circuit breaker executing agency according to claim 1, it is characterised in that：The energy storage
Spring（30）One end hang over the power-assisted plate（20）On, the other end hangs over the pedestal of executing agency（10）On.
6. the quick-tripping device of low-voltage circuit breaker executing agency according to claim 1, it is characterised in that：The push pedal
（40）Be shaped as a Z-shaped.
7. the quick-tripping device of low-voltage circuit breaker executing agency according to claim 1, it is characterised in that：The push pedal
（40）On be provided with a L-shaped groove, the power-assisted plate（20）One end abut be positioned in the L-shaped groove and with the push pedal（40）Begin
Contact is kept eventually.
8. the quick-tripping device of low-voltage circuit breaker executing agency according to claim 1 or 2, it is characterised in that：It is described
Power-assisted plate（20）, push pedal（40）And the jam plate（50）Synchronously rotate, and the jam plate（50）And push pedal（40）Rotation
Turn center point-blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010619.XU CN206432221U (en) | 2017-01-05 | 2017-01-05 | A kind of quick-tripping device of low-voltage circuit breaker executing agency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010619.XU CN206432221U (en) | 2017-01-05 | 2017-01-05 | A kind of quick-tripping device of low-voltage circuit breaker executing agency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206432221U true CN206432221U (en) | 2017-08-22 |
Family
ID=59584625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720010619.XU Withdrawn - After Issue CN206432221U (en) | 2017-01-05 | 2017-01-05 | A kind of quick-tripping device of low-voltage circuit breaker executing agency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206432221U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783432A (en) * | 2017-01-05 | 2017-05-31 | 上海磊跃自动化设备有限公司 | The quick-tripping device of low-voltage circuit breaker executing agency |
| CN108535642A (en) * | 2018-06-22 | 2018-09-14 | 杭州之江开关股份有限公司 | A kind of single-phase high-current detector of breaker and its operating method |
| CN108648970A (en) * | 2018-07-02 | 2018-10-12 | 亚洲电力设备(深圳)股份有限公司 | A kind of tripping mechanism of breaker |
-
2017
- 2017-01-05 CN CN201720010619.XU patent/CN206432221U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783432A (en) * | 2017-01-05 | 2017-05-31 | 上海磊跃自动化设备有限公司 | The quick-tripping device of low-voltage circuit breaker executing agency |
| CN106783432B (en) * | 2017-01-05 | 2019-02-15 | 上海磊跃自动化设备有限公司 | The quick-tripping device of low-voltage circuit breaker executing agency |
| CN108535642A (en) * | 2018-06-22 | 2018-09-14 | 杭州之江开关股份有限公司 | A kind of single-phase high-current detector of breaker and its operating method |
| CN108535642B (en) * | 2018-06-22 | 2023-06-27 | 杭州之江开关股份有限公司 | Single-phase heavy current detection device of circuit breaker and operation method thereof |
| CN108648970A (en) * | 2018-07-02 | 2018-10-12 | 亚洲电力设备(深圳)股份有限公司 | A kind of tripping mechanism of breaker |
| CN108648970B (en) * | 2018-07-02 | 2024-04-26 | 亚洲电力设备(深圳)有限公司 | Tripping mechanism of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170822 Effective date of abandoning: 20190215 |
|
| AV01 | Patent right actively abandoned |