CN217280655U - Instantaneous action protection architecture of circuit breaker - Google Patents
Instantaneous action protection architecture of circuit breaker Download PDFInfo
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- CN217280655U CN217280655U CN202220432852.8U CN202220432852U CN217280655U CN 217280655 U CN217280655 U CN 217280655U CN 202220432852 U CN202220432852 U CN 202220432852U CN 217280655 U CN217280655 U CN 217280655U
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- circuit breaker
- fender bracket
- lever
- traction
- groove
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Abstract
The utility model discloses a circuit breaker instantaneous action protection architecture, including rotating the hasp that sets up, traction lever and fender bracket, the traction lever is located one side of hasp and forms spacingly, it has the groove of stepping down to have been offered on being used for driven driving lever and the traction lever to stretch out on the traction lever, the fender bracket is located one side of driving lever, stretch out the push rod portion that has the drive driving lever and with the synchronous pivoted armature portion of push rod portion on the fender bracket, one side of armature portion is provided with the electro-magnet support, electro-magnet leg joint current-carrying conductor, a circular telegram adsorbs the fender bracket when being unusual for the electric current, and then the drive traction lever rotates, make the hasp get into and realize quick unblock in the groove of stepping down. When the instantaneous action protection structure of the circuit breaker does not act aiming at the current abnormal instantaneous moving contact, the protection frame is driven by the electromagnet to further link the traction rod to rotate, so that the lock catch is pushed to unlock, quick breaking is realized, the structure is simple, the reaction is rapid, and the function is reliable.
Description
Technical Field
The utility model relates to a low-voltage circuit breaker technical field especially relates to a circuit breaker instantaneous action protection architecture.
Background
The back-up protection of the electronic circuit breaker generally utilizes a magnetic release to rapidly actuate an operating mechanism of the circuit breaker so as to cut off a circuit, and specifically, a large current generates a magnetic field to move a moving iron core and a coil spring, and the spring transmits energy to an ejector rod to jack a lock catch, so that the operating mechanism unlocks the circuit breaker to be disconnected.
In the existing tripping structure of the circuit breaker, although the contact and the lock catch move relatively when the short circuit is tripped, the contact cannot jack the lock catch accelerating mechanism to unlock, and quick breaking cannot be realized.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model aims to provide a circuit breaker instantaneous action protection architecture realizes short circuit fast action in the twinkling of an eye, the help unblock.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a circuit breaker instantaneous action protection architecture, including rotating the hasp that sets up, traction lever and fender bracket, the traction lever is located one side of hasp and forms spacingly, it has been used for driven driving lever and has seted up the groove of stepping down on the traction lever to stretch out on the traction lever, the fender bracket is located one side of driving lever, stretch out the push rod portion that has the drive driving lever and with the synchronous pivoted armature portion of push rod portion on the fender bracket, one side of armature portion is provided with electromagnet support, electromagnet support connects the current-carrying conductor, a circular telegram adsorbs the fender bracket when being used for the electric current unusual, and then the drive traction lever rotates, make the hasp get into and realize quick unblock in the groove of stepping down.
Particularly, the fender bracket still includes pivot portion, and push rod portion, armature portion all set up in pivot portion and spacing by the jump ring, still overlaps in the pivot portion to be equipped with the torsional spring for the fender bracket resets.
Particularly, be provided with spacing edge in the armature portion, the one end of torsional spring supports and leans on spacing edge, and the other end supports and leans on in the pivot of circuit breaker.
Particularly, it has the stopping edge to stretch out on the armature portion, and normal condition just under the torsional spring effect, realizes the fender bracket through stopping along leaning on in the pivot of circuit breaker and ends the position.
Particularly, the bottom surface of the lock catch is arranged to be a cambered surface, the abdicating groove is arranged to be a half shaft groove, and the lock catch is limited and locked by the traction rod in a normal state; under the current abnormal state, the bottom surface of hasp slides in stepping down the groove and realizes the unblock.
To sum up, the beneficial effects of the utility model are that, instantaneous action protective structure of circuit breaker is to the unusual moving contact in the twinkling of an eye of electric current when not moving yet, rotates through electro-magnet drive fender bracket and then linkage traction lever to promote the hasp unblock, realize that quick branch is disconnected, simple structure, the reaction is rapid, the function is reliable.
Drawings
Fig. 1 is a schematic diagram of an instantaneous action protection structure of a circuit breaker according to an embodiment of the present invention in a normal state;
fig. 2 is a schematic diagram of an instantaneous action protection structure of a circuit breaker according to an embodiment of the present invention in an abnormal current state;
fig. 3 is a schematic structural diagram of a protection frame in an instantaneous action protection structure of a circuit breaker according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, the preferred embodiment provides a circuit breaker transient operation protection structure, which includes a latch 1, a drawbar 2 and a protection frame 3.
The draw bar 2 is positioned at one side of the lock catch 1 to form a limit position, a deflector rod 4 for driving extends out of the draw bar 2, and a abdicating groove 5 is formed in the draw bar 2.
The fender bracket 3 is located one side of the driving lever 4, a push rod portion 6 for driving the driving lever 4 and an armature portion 7 rotating synchronously with the push rod portion 6 extend out of the fender bracket 3, an electromagnet support 8 is arranged on one side of the armature portion 7, the electromagnet support 8 is connected with a current-carrying conductor 9, and the electromagnet support 8 is used for enabling the electromagnet support 8 to be electrified to adsorb the fender bracket 3 when current is abnormal, so that the traction rod 2 is driven to rotate, and the lock catch 1 enters the abdicating groove 5 to realize quick unlocking.
Wherein, the fender bracket 3 still includes pivot portion 10, push rod portion 6, armature portion 7 all sets up on pivot portion 10 and by jump ring 11 spacing, it is equipped with torsional spring 12 still to overlap on the pivot portion 10, be used for fender bracket 3 to reset, it has spacing edge 13 and stretches out to end along 15 to be provided with on armature portion 7, the one end of torsional spring 12 supports and leans on spacing edge 13, the other end supports and leans on the pivot 14 in the circuit breaker, normal condition just under the torsional spring effect, support and realize that fender bracket 3 stops on the pivot 14 in the circuit breaker through ending along 15, and push rod portion 6 and traction lever 2 do not have the contact this moment.
The bottom surface of the lock catch 1 is provided with a cambered surface, the abdication groove 5 is provided with a half shaft groove, and the lock catch 1 is limited and locked by the traction rod 2 in a normal state; under the abnormal current state, the bottom surface of the lock catch 1 slides into the abdicating groove 5 to realize unlocking.
Compared with the existing structure that the tripping is realized through the action of the moving contact and the linkage parts such as the spring, the tripping and unlocking reaction is quicker and more reliable.
In conclusion, when the moving contact does not act at the moment of current abnormity, the instantaneous action protection structure of the circuit breaker drives the protection frame through the electromagnet to further link the traction rod to rotate, so that the lock catch is pushed to unlock, quick breaking is realized, the structure is simple, the reaction is quick, and the function is reliable.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a circuit breaker instantaneous action protection architecture, its characterized in that, is including rotating hasp, traction lever and the fender bracket that sets up, the traction lever is located one side of hasp and forms spacingly, it has been used for the driven driving lever and has seted up the groove of stepping down on the traction lever to stretch out on the traction lever, the fender bracket is located one side of driving lever, it has the drive to stretch out on the fender bracket the push rod portion of driving lever and with the synchronous pivoted armature portion of push rod portion, one side of armature portion is provided with the electro-magnet support, the electro-magnet leg joint current-carrying conductor for the circular telegram adsorbs the fender bracket when the electric current is unusual, and then drives the traction lever and rotates, makes the hasp get into the groove of stepping down and realize quick unblock.
2. The instantaneous action protection structure of a circuit breaker according to claim 1, characterized in that: the fender bracket still includes pivot portion, push rod portion, armature portion all set up in it is spacing in the pivot portion and by the jump ring, it is equipped with the torsional spring still to overlap in the pivot portion for the fender bracket resets.
3. The instantaneous action protection structure of circuit breaker according to claim 2, characterized in that: be provided with spacing edge in the armature portion, the one end of torsional spring is supported and is leaned on in spacing edge, and the other end supports and leans on in the pivot of circuit breaker.
4. The instantaneous action protection structure of a circuit breaker according to claim 2, characterized in that: it has only to stop to follow to stretch out in the armature portion, normal condition just under the torsional spring effect, through only stop to follow and lean on realizing that the fender bracket stops the position in the pivot of circuit breaker.
5. The instantaneous action protection structure of a circuit breaker according to claim 1, characterized in that: the bottom surface of the lock catch is provided with a cambered surface, the abdication groove is provided with a half shaft groove, and the lock catch is limited and locked by the traction rod in a normal state; and under the abnormal current state, the bottom surface of the lock catch slides into the abdicating groove to realize unlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220432852.8U CN217280655U (en) | 2022-03-01 | 2022-03-01 | Instantaneous action protection architecture of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220432852.8U CN217280655U (en) | 2022-03-01 | 2022-03-01 | Instantaneous action protection architecture of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217280655U true CN217280655U (en) | 2022-08-23 |
Family
ID=82858849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220432852.8U Active CN217280655U (en) | 2022-03-01 | 2022-03-01 | Instantaneous action protection architecture of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217280655U (en) |
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2022
- 2022-03-01 CN CN202220432852.8U patent/CN217280655U/en active Active
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