CN205752065U - A kind of tripping mechanism of residual current action breaker - Google Patents
A kind of tripping mechanism of residual current action breaker Download PDFInfo
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- CN205752065U CN205752065U CN201620701717.3U CN201620701717U CN205752065U CN 205752065 U CN205752065 U CN 205752065U CN 201620701717 U CN201620701717 U CN 201620701717U CN 205752065 U CN205752065 U CN 205752065U
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- dropout
- linkage portion
- boss
- conflict
- indication piece
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Abstract
The utility model discloses the tripping mechanism of a kind of residual current action breaker, including the pedestal on the housing being fixed on chopper, move and between iron core and dropout indication piece, be provided with dropout gangbar, dropout gangbar includes the first linkage portion, the second linkage portion and rotation section, rotation section is provided with rotating shaft dropout gangbar being pivoted on pedestal, first linkage portion is connected with dynamic iron core, the second linkage portion be provided with the dropout boss for exporting dropout trip operation, dropout boss stretches out and is connected with operating mechanism；One side of described first linkage portion is provided with the recess formed that caves inward, described dropout indication piece is provided with the conflict boss matched with recess, wherein dropout spring orders about dropout indication piece and stretches out outside dropout hole, conflict boss is inconsistent with the first linkage portion all the time, relative first linkage portion is slided, improve the motive force that dropout trace rotates, tripping force can be effectively improved, thus promote trip speed and stability.
Description
Technical field
This utility model relates to residual current action breaker field, more specifically, it relates to a kind of residual current moves
Make the tripping mechanism of chopper.
Background technology
Residual current acting type chopper generally include contact apparatus, control contact apparatus disjunction/Guan Bi operating mechanism,
Controlling operating mechanism and perform the tripping mechanism tripped of threading off, this tripping mechanism is provided with trip shaft, and tripping mechanism need to be by triggering this
Individual trip shaft controls operating mechanism execution dropout tripping operation could implement the dropout tripping operation of chopper.
In RCD, the residual current acting function of product is straight by the tripping mechanism of electric leakage module
Connect driving breaker portion action to realize, in action, require that dropout module action speed is fast, energy guarantees greatly to leak
During electricity, RCD can disconnect rapidly and accurately, thus disengagement failure power supply, the protection person and equipment safety.
In this context, the dropout driving force that electric leakage module is provided becomes a vital parameter, direct shadow
Ring the reliability of product residual current protecting function.Dropout driving force is provided by energy storage device, and energy storage device driving force is big
The little parameter depending on tripping coil and sound iron core；Owing to the use environment of RCD determines electric leakage mould
There is unstable situation in the supply voltage of block, when there is low-voltage, may cause electric leakage module energy storage device driving force ratio
Less, during this time occur leak current fault it would be possible to occur RCD can not disengagement failure power supply, or
Person cuts off situation not in time, can cause electric leakage accident.
To solve the problems referred to above, it is impossible to improve the parameter of electrical apparatus release simply, when otherwise can cause rated voltage, electricity is threaded off
The impulsive force of device work is excessive, and the life-span of RCD will shorten, and will also result in the waste on cost simultaneously.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of residual current action breaker
Tripping mechanism, simple in construction, tripping force can be effectively improved, thus promote trip speed and stability.
For achieving the above object, this utility model provides following technical scheme:
A kind of tripping mechanism of residual current action breaker, including the pedestal on the housing being fixed on chopper, described
It is additionally provided with dropout indication piece and driving in the dynamic iron core be provided with electromagnetic system in pedestal, being arranged in electromagnetic system, described pedestal
The dropout spring that dropout indication piece ejects, described pedestal is provided with the dropout hole stretching out outside pedestal for dropout indication piece, described dynamic ferrum
Being provided with dropout gangbar between core and dropout indication piece, described dropout gangbar includes the first linkage portion, the second linkage portion and turns
Dynamic portion, described rotation section is provided with rotating shaft dropout gangbar being pivoted on pedestal, described first linkage portion and dynamic iron core
Being connected, described second linkage portion is provided with the dropout boss for exporting dropout trip operation, and described dropout boss stretches out
And it is connected with operating mechanism；One side of described first linkage portion is provided with the recess formed that caves inward, described dropout
Indication piece is provided with the conflict boss matched with recess, and in normal operation, described dynamic iron core withstands the first linkage portion, institute
State conflict boss to be placed in recess, be used for limiting dropout indication piece and move；When product generation leak current fault, described dynamic iron core draws
Dynamic dropout trace rotates to dropout direction, and operating mechanism stirred by dropout boss, and circuit breaker tripping trips, and the most described conflict is convex
Platform departs from recess, and dropout spring orders about dropout indication piece and stretches out outside dropout hole.
This utility model is arranged further: described conflict boss includes conflict head and is fixed on supporting on dropout indication piece
Touching boss body, be provided with rake between conflict boss body and conflict head, the end face that described conflict head and recess match is circle
Cambered surface.
This utility model is arranged further: described first linkage portion, the second linkage portion and rotation section are wholely set, described turn
Dynamic portion is placed between the first linkage portion and the second linkage portion, and the angle of described first linkage portion and the second linkage portion is more than or equal to
90 degree.
This utility model beneficial effect: in normal operation, under electromagnetic system effect, dynamic iron core can withstand dropout
First linkage portion of trace, the recess of the first linkage portion matches with conflict boss, pins dropout indication piece；When product occurs
During leak current fault, electromagnetic system produces sufficiently large magnetic field and inhales dynamic iron core, and described dynamic iron core pulls dropout trace to dropout
Direction rotates, and operating mechanism stirred by dropout boss, and circuit breaker tripping trips, and the most described conflict boss departs from recess, dropout bullet
Spring orders about dropout indication piece and stretches out outside dropout hole, and after dropout indication piece ejects, dropout trace returns less than original position, at this moment chopper
It is released that trace is locked can not close a floodgate, it is necessary to dropout indication piece is resetted, and confirms that being released trace pins instruction of threading off
Part could normally close a floodgate, structure design advantages of simple；
Wherein dropout spring orders about dropout indication piece and stretches out outside dropout hole, and conflict boss offsets with the first linkage portion all the time
Touching, relative first linkage portion is slided, and improves the motive force that dropout trace rotates, and can be effectively improved tripping force, thus promote de-
Button speed and stability；
Recess cooperates with conflict boss, it is achieved the first linkage portion connects with dropout indication piece and separates, due to recess
It is that a side of the first linkage portion is provided with the formation that caves inward, it is simple to recess is formed and manufactures, and also allows for the first linkage portion simultaneously
Install or remove with dropout indication piece；
Described dropout boss stretches out and is connected with operating mechanism, and dropout boss replaces transmission pivot pin to insert
In the operating mechanism of chopper and being connected with it, wherein on market, commonly used rustless steel cylinder makees transmission pivot pin, passes
Moving axis pin inserts lock for circuit breaker and smashs, and reduces parts, it is simple to assembling, the most also improves the transmission efficiency of dropout gangbar.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tripping mechanism of a kind of residual current action breaker of this utility model；
Fig. 2 is the sectional view under the normal condition of the tripping mechanism of a kind of residual current action breaker of this utility model；
Fig. 3 is the sectional view under the trip status of the tripping mechanism of a kind of residual current action breaker of this utility model；
Fig. 4 is the structural representation of dropout gangbar；
Fig. 5 is the structural representation of dropout indication piece.
Description of reference numerals: 1, pedestal；2, electromagnetic system；21, dynamic iron core；3, dropout indication piece；31, conflict boss；
311, conflict head；312, conflict boss body；313, rake；4, dropout spring；5, dropout gangbar；51, the first linkage portion；
511, recess；52, the second linkage portion；521, dropout boss；53, rotation section.
Detailed description of the invention
The tripping mechanism of 1 to Fig. 5 residual current action breaker a kind of to this utility model does the most referring to the drawings
Describe in detail bright.
A kind of tripping mechanism of residual current action breaker, including the pedestal 1 on the housing being fixed on chopper, described
Electromagnetic system 2, the dynamic iron core 21 being arranged in electromagnetic system 2 it is provided with in pedestal 1；
Dropout indication piece 3 and the dropout spring 4 driving dropout indication piece 3 to eject, described pedestal it is additionally provided with in described pedestal 1
1 is provided with the dropout hole stretching out outside pedestal 1 for dropout indication piece 3, is provided with dropout connection between described dynamic iron core 21 and dropout indication piece 3
Lever 5, described dropout gangbar 5 includes the first linkage portion the 51, second linkage portion 52 and rotation section 53, and described rotation section 53 is provided with
Dropout gangbar 5 is pivoted on the rotating shaft on pedestal 1, and described first linkage portion 51 is connected with dynamic iron core 21, and described
Two linkage portion 52 are provided with the dropout boss 521 for exporting dropout trip operation, described dropout boss 521 stretch out and with
Operating mechanism is connected；One side of described first linkage portion 51 is provided with the recess 511 formed that caves inward, and described dropout refers to
Showing that part 3 is provided with the conflict boss 31 matched with recess 511, in normal operation, described dynamic iron core 21 withstands first
Dynamic portion 51, described conflict boss 31 is placed in recess 511, is used for limiting dropout indication piece 3 and moves；When product generation leak current fault
Time, described dynamic iron core 21 pulls dropout trace to rotate to dropout direction, and operating mechanism stirred by dropout boss 521, and chopper takes off
Button tripping operation, the most described conflict boss 31 departs from recess 511, and dropout spring 4 orders about dropout indication piece 3 and stretches out outside dropout hole.
Operating mechanism and electromagnetic system 2 the most just repeat no more for prior art, set in wherein said electromagnetic system 2
There is reaction spring；During the dropout being transformed into trip status by non-trip status, the tripping force of dynamic iron core 21 overcomes counter-force
The elastic force of spring also orders about push rod and rotates the unblock realized with dropout indication piece 3 to dropout direction, and dropout spring 4 releases energy
And order about dropout indication piece 3 and eject.
Wherein said conflict boss 31 includes conflict 311 and the conflict boss body being fixed on dropout indication piece 3
312, it is provided with rake 313 between conflict boss body 312 and conflict 311, described conflict 311 and recess 511 match
End face is arc surface, and conflict boss 31 stretches at recess 511 and pinned by recess 511, is provided with rake at conflict boss 31
313, utilize that the inclined plane of rake 313 can preferably pin dropout trace, described conflict 311 matches with recess 511
End face is arc surface so that conflict 311 is easier to slide at recess 511.
Described first linkage portion the 51, second linkage portion 52 and rotation section 53 are wholely set, and described rotation section 53 is placed in first
Between linkage portion 51 and the second linkage portion 52, the angle of described first linkage portion 51 and the second linkage portion 52 is more than or equal to 90d degree
Make dynamic iron core can preferably pull dropout gangbar 5 to rotate, also allow for dropout indication piece 3 simultaneously and stretch under de-mouth spring effect
Go out to thread off outside hole.
Operation principle: in normal operation, under electromagnetic system 2 acts on, dynamic iron core 21 can withstand dropout trace
First linkage portion 51, the recess 511 of the first linkage portion 51 matches with conflict boss 31, pins dropout indication piece 3；When product is sent out
During raw leak current fault, electromagnetic system 2 produces sufficiently large magnetic field and inhales dynamic iron core 21, and described dynamic iron core 21 pulls dropout trace
Rotating to dropout direction, operating mechanism stirred by dropout boss 521, and circuit breaker tripping trips, and the most described conflict boss 31 departs from
Recess 511, dropout spring 4 orders about dropout indication piece 3 and stretches out outside dropout hole, and after dropout indication piece 3 ejects, dropout trace returns not
To in situ, at this moment chopper is released that trace is locked can not close a floodgate, it is necessary to dropout indication piece 3 is resetted, and confirms to be released
Trace pins dropout indication piece 3 and could normally close a floodgate, structure design advantages of simple；
Wherein dropout spring 4 orders about dropout indication piece 3 and stretches out outside dropout hole, conflict boss 31 all the time with the first linkage portion 51
Inconsistent, relative first linkage portion 51 is slided, and improves the motive force that dropout trace rotates, can be effectively improved tripping force, thus
Promote trip speed and stability；
Recess 511 cooperates with conflict boss 31, it is achieved the first linkage portion 51 connects with dropout indication piece 3 and separates,
Owing to the side that recess 511 is the first linkage portion 51 is provided with the formation that caves inward, it is simple to recess 511 is formed and manufactures, simultaneously
Also allow for the first linkage portion 51 to install or remove with dropout indication piece 3；
Described dropout boss 521 stretches out and is connected with operating mechanism, and dropout boss 521 replaces transmission pivot pin
And in inserting the operating mechanism of chopper and be connected with it, wherein on market, commonly used rustless steel cylinder does power transmission shaft
Pin, transmission pivot pin inserts lock for circuit breaker and smashs, and reduces parts, it is simple to assembling, the most also improves the transmission effect of dropout gangbar 5
Rate.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, without departing from the some improvement under this utility model principle premise and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (3)
1. a tripping mechanism for residual current action breaker, including the pedestal on the housing being fixed on chopper, described base
It is additionally provided with dropout indication piece in the dynamic iron core be provided with electromagnetic system in Zuo, being arranged in electromagnetic system, described pedestal and drives de-
The dropout spring that button indication piece ejects, described pedestal is provided with the dropout hole stretching out outside pedestal for dropout indication piece, described dynamic iron core
And being provided with dropout gangbar between dropout indication piece, described dropout gangbar includes the first linkage portion, the second linkage portion and rotation
Portion, described rotation section is provided with rotating shaft dropout gangbar being pivoted on pedestal, described first linkage portion and dynamic iron core phase
Connect, it is characterised in that:
Described second linkage portion is provided with the dropout boss for exporting dropout trip operation, described dropout boss stretch out and
It is connected with operating mechanism；
One side of described first linkage portion is provided with the recess formed that caves inward, and described dropout indication piece is provided with and matches with recess
The conflict boss closed,
In normal operation, described dynamic iron core withstands the first linkage portion, and described conflict boss is placed in recess, is used for limiting
Dropout indication piece moves；When product generation leak current fault, described dynamic iron core pulls dropout trace to rotate to dropout direction, de-
Operating mechanism stirred by button boss, and circuit breaker tripping trips, and the most described conflict boss departs from recess, and dropout spring orders about dropout and refers to
Show that part stretches out outside dropout hole.
The tripping mechanism of a kind of residual current action breaker the most according to claim 1, is characterized in that: described conflict is convex
Platform includes conflict head and the conflict boss body being fixed on dropout indication piece, is provided with between conflict boss body and conflict head
Rake, the end face that described conflict head and recess match is arc surface.
The tripping mechanism of a kind of residual current action breaker the most according to claim 1 and 2, is characterized in that: described
One linkage portion, the second linkage portion and rotation section are wholely set, and described rotation section is placed between the first linkage portion and the second linkage portion,
The angle of described first linkage portion and the second linkage portion is more than or equal to 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701717.3U CN205752065U (en) | 2016-07-01 | 2016-07-01 | A kind of tripping mechanism of residual current action breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620701717.3U CN205752065U (en) | 2016-07-01 | 2016-07-01 | A kind of tripping mechanism of residual current action breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752065U true CN205752065U (en) | 2016-11-30 |
Family
ID=57380824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620701717.3U Active CN205752065U (en) | 2016-07-01 | 2016-07-01 | A kind of tripping mechanism of residual current action breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205752065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931929A (en) * | 2016-07-01 | 2016-09-07 | 俊朗电气有限公司 | Tripping mechanism of residual current operated circuit breaker |
-
2016
- 2016-07-01 CN CN201620701717.3U patent/CN205752065U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931929A (en) * | 2016-07-01 | 2016-09-07 | 俊朗电气有限公司 | Tripping mechanism of residual current operated circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Xiangyang Street Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: Junlang Electric Co., Ltd. Address before: 325000 Xiangyang Street Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: JUNLANG ELECTRIC CO., LTD. |