CN202076200U - Magnetic flux converter of circuit breaker - Google Patents
Magnetic flux converter of circuit breaker Download PDFInfo
- Publication number
- CN202076200U CN202076200U CN2011200364230U CN201120036423U CN202076200U CN 202076200 U CN202076200 U CN 202076200U CN 2011200364230 U CN2011200364230 U CN 2011200364230U CN 201120036423 U CN201120036423 U CN 201120036423U CN 202076200 U CN202076200 U CN 202076200U
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- base
- circuit breaker
- magnetic
- pivot
- release lever
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Abstract
The utility model relates to a magnetic flux converter of a circuit breaker, belonging to the technical field of low-voltage electrical apparatuses. The magnetic flux converter comprises a magnetic acting mechanism, an unlocking rod, a locking plate and an energy-storing elastic piece, wherein the unlocking rod is arranged on the magnetic acting mechanism in a manner of being capable of repeatedly moving left and right and is locked/unlocked with/from the locking plate; and the energy-storing elastic piece abuts against the unlocking rod and the magnetic acting mechanism respectively. The utility model is characterized in that the magnetic flux converter further comprises a base, a resetting rod and an operating switch, wherein the magnetic acting mechanism is arranged on the base and is fixed with the base; one end of the resetting rod is pivot-connected onto the base, and the other end of the resetting rod is pivot-connected onto the unlocking rod; and the operating switch is fixed on the base and is matched with the unlocking rod. The magnetic flux converter has the advantage that the base, the resetting rod and the operating switch are additionally arranged, so that the acting state and the resetting state of the magnetic flux converter can be indicated so as to exactly judge the breaking of the circuit breaker is caused by failure of an outgoing line side circuit or failure of a load.
Description
Technical field
The utility model belongs to the low voltage electrical apparatus technology field, is specifically related to a kind of magnetic flow convertor of circuit breaker
Background technology
Known magnetic flow convertor comprises the magnetic actuating mechanism, release lever, locking board and energy storage elastic component, wherein: the magnetic actuating mechanism comprises pedestal, coil, moving iron core and static iron core, release lever can reciprocating motion on the magnetic actuating mechanism, be in when detaining state again at circuit breaker operation mechanism, locking board and release lever lock mutually, yet, when circuit breaker outlet side line road or load are broken down when for example producing short circuit current, current transformer in the circuit breaker detects short circuit current, and signal is delivered to electronic circuit board carry out rectification, amplify and calculation process, when reaching operation condition, send actuating signal to magnetic flow convertor, make the coil of magnetic flow convertor produce a demagnetizing force, this demagnetizing force makes iron core overcome the absorption affinity of static iron core and towards hitting locking board away from the direction quick acting of static iron core, locking board and release lever are unlocked, thereby by the draw bar in the release lever promotion circuit breaker operation mechanism, circuit breaker operation mechanism is threaded off, thereby make the moving of circuit breaker, fixed contact separates, i.e. the disjunction short circuit current.
The magnetic flow convertor that is similar to the circuit breaker of said structure form particularly is no lack of in the Chinese patent literature at document and is seen in, slightly with exemplify as CN2591762Y, CN201060822Y, CN201629280U, CN201213117Y and CN101656158A or the like.The existing common shortcoming of the magnetic flow convertor of this version is: owing to can't indicate self action and reset mode, the disjunction that promptly can not clearly judge circuit breaker be by outlet side line road or load break down cause or the people is that the emergency trip button of pressing on the circuit breaker causes, therefore be necessary rationally to be improved
Summary of the invention
Task of the present utility model is to provide that a kind of can to indicate and use the disjunction of clearly judging circuit breaker operate condition and reset mode be by the break down magnetic flow convertor of the circuit breaker that causes of outlet side line road or load.
Task of the present utility model is finished like this, a kind of magnetic flow convertor of circuit breaker, comprise the magnetic actuating mechanism, release lever, locking board and energy storage elastic component, wherein: reciprocatingly be arranged on the magnetic actuating mechanism about release lever, and with locking board locking or release, the energy storage elastic component leans with release lever and magnetic actuating mechanism respectively, be characterised in that: also include a base, one release link and an effect switch, described magnetic actuating mechanism is provided on the base and with base fixes, one end pivoting of release link is connected on the base, the other end is pivotally connected on described release lever, the effect switch is fixed on the base, and matches with described release lever.
In a specific embodiment of the present utility model, described base has a cavity, and extension constitutes at least one tab on base, and described magnetic actuating mechanism is arranged in the described cavity and by described tab and fixes.
In another specific embodiment of the present utility model, on the outer wall of a described base and end end that is positioned at a side of length direction has extended one first pivotal block, and on described release lever and in position, be provided with one second pivotal block corresponding to the top of described first pivotal block, one end pivoting of described release link is arranged on first pivot hole, and other end pivot is arranged on second pivotal block.
In another specific embodiment of the present utility model, offer a pivot hole on described first pivotal block, one end of described release link and be installed with one first pivot at position corresponding to described first pivot hole, this first pivot matches with first pivot hole, and the other end of release link and be installed with one second pivot at the position corresponding to described second pivotal block, this second pivot matches with second pivotal block.
In another specific embodiment of the present utility model, described second pivotal block is slotted eye or rectangular channel.
Also have in the specific embodiment of the present utility model, constitute a sidepiece push rod that is used for making the release link motion on the long limit of one of them in a pair of long limit of described release link for the circuit breaker operation mechanism pushing.
More of the present utility model and in specific embodiment, one end of described base is extended with at least one pair of guide rod, and respectively be extended with a locking bead in the both sides of pair of guide rods, offer on the described effect switch with the quantity of described guide rod and equate and the corresponding guide rod hole in position, be set on the described guide rod and will act on switch by guide rod hole and be fixed on the base, and limited by described locking bead, wherein, match with described release lever in the contact of effect switch.
In of the present utility model and then specific embodiment, be extended with a boss on the described release lever and at position corresponding to described contact, this boss matches with the contact.
Of the present utility model again more and in specific embodiment, described effect switch is a sensitive switch.
The technical scheme that the utility model provides has been owing to set up base, release link and effect switch, thereby the operate condition of magnetic flow convertor and reset mode are indicated and uses the disjunction of clearly judging circuit breaker and broken down by outlet side line road or load and cause.
Description of drawings
Fig. 1 is the assembling assumption diagram of the magnetic flow convertor of the utility model circuit breaker.
Fig. 2 is release lever of the present utility model and the schematic diagram that cooperates that acts on switch.
Fig. 3 is the schematic diagram that release lever of the present utility model and locking board are in the lock state each other.
Fig. 4 is in the schematic diagram of released state each other for release lever of the present utility model and locking board.
Fig. 5 is the schematic diagram of base of the present utility model.
Embodiment
Ask for an interview Fig. 1, Fig. 2 and Fig. 5, the magnetic flow convertor that has provided circuit breaker comprises magnetic actuating mechanism 6, release lever 2, locking board 7 and energy storage elastic component 5, release lever about 2 reciprocatingly is provided on the magnetic actuating mechanism 6, and lock mutually with locking board 7, energy storage elastic component 5 is essentially a spring, one end is resisted against on the release lever 2, and the other end is resisted against on the magnetic actuating mechanism 6.
The technical essential of the technical scheme that provides as the utility model: also include a base 1, a release link 3 and an effect switch 4, by Fig. 1 and shown in Figure 5, base 1 has a cavity 12, be to have extended upward a tab 11 on one of them the chamber wall in a pair of chamber wall of aforesaid cavity 12 on the long limit of on this base 1 and in a pair of long limit of base 1 one of them, aforesaid magnetic actuating mechanism 6 is contained in the cavity 12 and by tab 11 and limits, thereby both are fixed together with magnetic actuating mechanism 6 and base 1.On the outer wall of a side of the long side direction of base 1 and be positioned at an end and constitute one first pivotal block 15, on first pivotal block 15, offer a pivot hole 151, and on by the release lever 2 of Fig. 1 and Fig. 2 signal and be provided with one second pivotal block 22 corresponding to the position above first pivotal block 15, this second pivotal block 22 is slotted eye or rectangular channel, and present embodiment is selected the former.The end that one end of release link 3 promptly is connected with base 1 is fixed with one first pivot 31, this first pivot 31 and aforesaid pivot hole 151 are pivotally connected, and the end that the other end of release link 3 promptly is connected with release lever 2 is fixed with one second pivot 32, and this second pivot 32 is disposed on aforesaid second pivotal block 22.Constitute a sidepiece push rod 33 that is used for making release link 3 actions in a side of the long side direction of release link 3 (or claiming length direction) for the circuit breaker operation mechanism pushing.On aforesaid base 1, more particularly be extended with pair of guide rods 13 in the outside of the end that is positioned at cavity 12 of base 1, and respectively be extended with a locking bead 14 in the both sides of pair of guide rods 13, offer pair of guide rods hole 42 on the body of aforesaid effect switch 4, the position of guide rod hole 42 is corresponding with guide rod 13, be placed through on the guide rod 13 and will act on switch 4 by guide rod hole 42 and be fixed in base 1, and, escape in guide rod 13 to avoid acting on switch 4 by 14 pairs of effect switches of aforesaid pair of locking bead, 4 location.Show by Fig. 2 to match with the boss 21 on being formed in release lever 2 in the contact 41 of effect switch 4.The aforesaid effect switch 4 preferred sensitive switches that use.
Ask for an interview Fig. 3 and Fig. 4, when breaker closing, the contact 41 of the boss 21 of the release lever 2 of magnetic flow convertor and effect switch 4 keeps the triggering state, when circuit breaker outlet side line road or load are broken down when for example producing short circuit current, current transformer in the circuit breaker detects short circuit current, and signal is delivered to electronic circuit board carry out rectification, amplify and calculation process, when reaching operation condition, send actuating signal to magnetic flow convertor, make the coil of magnetic flow convertor produce a demagnetizing force, this demagnetizing force makes moving iron core overcome the absorption affinity of static iron core and towards the direction quick acting away from static iron core, hit locking board 7, locking board 7 and release lever 2 are unlocked, release lever 2 on magnetic actuating mechanism 6 to left, draw bar by the 23 pull operation mechanisms of the drag hook on the release lever 2, circuit breaker operation mechanism is threaded off, thereby driving moving contact of breaker separates with fixed contact, the disjunction short circuit current, simultaneously, boss 21 on the release lever 2 breaks away from the contact 41 of effect switch 4, as Fig. 4,4 conversions of effect switch, output signal, thus realize the action of magnetic flow convertor is indicated.
After circuit breaker operation mechanism is threaded off, circuit breaker operation mechanism is detained again, so that the loop is when producing short circuit current, the operating mechanism dynamic and static contact of disjunction of threading off once more.When circuit breaker operation mechanism is detained again, the sidepiece push rod 33 of circuit breaker operation mechanism pushing release link 3 makes release link 3 rotate around axle 31, release lever 2 under the driving of second pivot 32 on magnetic actuating mechanism 6 to right translation, make 5 energy storage of energy storage elastic component, moving iron core is adsorbed by static iron core again, and locking board 7 locks mutually with release lever 2 again, simultaneously the contact 41 of the boss 21 trigger action switches 4 of release lever 2, as Fig. 3, the sensitive switch action, output signal, thereby the indication that realization resets to magnetic flow convertor
Claims (9)
1. the magnetic flow convertor of a circuit breaker, comprise magnetic actuating mechanism (6), release lever (2), locking board (7) and energy storage elastic component (5), wherein: reciprocatingly be arranged on about release lever (2) on the magnetic actuating mechanism (6), and with locking board (7) locking or release, energy storage elastic component (5) leans with release lever (2) and magnetic actuating mechanism (6) respectively, it is characterized in that: also include a base (1), one release link (3) and an effect switch (4), described magnetic actuating mechanism (6) is provided in base (1) and upward and with base (1) fixes, one end pivoting of release link (3) is connected on the base (1), the other end is pivotally connected on described release lever (2), effect switch (4) is fixed on the base (1), and matches with described release lever (2).
2. the magnetic flow convertor of circuit breaker according to claim 1, it is characterized in that described base (1) has a cavity (12), and go up extension at base (1) and constitute at least one tab (11), described magnetic actuating mechanism (6) is arranged in the described cavity (12) and by described tab (11) and fixes.
3. the magnetic flow convertor of circuit breaker according to claim 1, an end end that it is characterized in that on the outer wall of described base (1) and be positioned at a side of length direction has extended one first pivotal block (15), and go up and be provided with one second pivotal block (22) in the position corresponding to the top of described first pivotal block (15) at described release lever (2), one end pivoting of described release link (3) is arranged on first pivot hole (15), and other end pivot is arranged on second pivotal block (22).
4. the magnetic flow convertor of circuit breaker according to claim 3, it is characterized in that offering on described first pivotal block (15) pivot hole (151), one end of described release link (3) and be installed with one first pivot (31) at position corresponding to described first pivot hole (151), this first pivot (31) matches with first pivot hole (151), and the other end of release link (3) and be installed with one second pivot (32) at the position corresponding to described second pivotal block (22), this second pivot (32) matches with second pivotal block (22).
5. according to the magnetic flow convertor of claim 3 or 4 described circuit breakers, it is characterized in that described second pivotal block (22) is slotted eye or rectangular channel.
6. according to the magnetic flow convertor of claim 1 or 3 or 4 described circuit breakers, it is characterized in that constituting on one of them the long limit in a pair of long limit of described release link (3) a sidepiece push rod (33) that is used for making release link (3) motion for the circuit breaker operation mechanism pushing.
7. the magnetic flow convertor of circuit breaker according to claim 1, an end that it is characterized in that described base (1) is extended with at least one pair of guide rod (13), and respectively be extended with a locking bead (14) in the both sides of pair of guide rods (13), offer on the described effect switch (4) with the quantity of described guide rod (13) and equate and the corresponding guide rod hole in position (42), being set in described guide rod (13) by guide rod hole (42) goes up and will act on switch (4) and be fixed on the base (1), and limit by described locking bead (14), wherein, match with described release lever (2) in the contact (41) of effect switch (4).
8. the magnetic flow convertor of circuit breaker according to claim 7 is characterized in that described release lever (2) upward and at the position corresponding to described contact (41) is extended with a boss (21), and this boss (21) matches with contact (41).
9. according to the magnetic flow convertor of claim 1 or 7 described circuit breakers, it is characterized in that described effect switch (4) is a sensitive switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200364230U CN202076200U (en) | 2011-02-11 | 2011-02-11 | Magnetic flux converter of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200364230U CN202076200U (en) | 2011-02-11 | 2011-02-11 | Magnetic flux converter of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076200U true CN202076200U (en) | 2011-12-14 |
Family
ID=45114290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200364230U Expired - Lifetime CN202076200U (en) | 2011-02-11 | 2011-02-11 | Magnetic flux converter of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321055A (en) * | 2018-03-02 | 2018-07-24 | 厦门宏发开关设备有限公司 | A kind of breaker of plastic casing with residual current protecting |
-
2011
- 2011-02-11 CN CN2011200364230U patent/CN202076200U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321055A (en) * | 2018-03-02 | 2018-07-24 | 厦门宏发开关设备有限公司 | A kind of breaker of plastic casing with residual current protecting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |