CN100555506C - The operating mechanism of miniature circuit breaker - Google Patents
The operating mechanism of miniature circuit breaker Download PDFInfo
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- CN100555506C CN100555506C CNB2008100206808A CN200810020680A CN100555506C CN 100555506 C CN100555506 C CN 100555506C CN B2008100206808 A CNB2008100206808 A CN B2008100206808A CN 200810020680 A CN200810020680 A CN 200810020680A CN 100555506 C CN100555506 C CN 100555506C
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Abstract
The invention provides a kind of operating mechanism of miniature circuit breaker, comprise housing, handle and fixed contact, the inner surface of housing is provided with Handle axis, taper knob is connected on the Handle axis, also comprise drive link, drive disk assembly and electromagnetic trip device, drive link hinged handle and drive disk assembly, drive disk assembly comprises the snap close axle, latch spring, snap close, moving contact, tripping and tripping spring, the snap close axle is arranged on the inner surface parallel with Handle axis, all the other are socketed on the snap close axle successively, moving contact and fixed contact are equipped with, tripping is provided with the shake-up boss, be equipped with the release lever that promotes by moving iron core in the solenoid of electromagnetic trip device, can also comprise the adjustable reaction spring that is used to limit moving iron core action, bimetal leaf, and run-on tab and arc-control device, part of the present invention is less, relatively simple for structure, good stability, reduced cost, produce easy for installation, safety, and setting current is adjustable.
Description
Technical field
The present invention relates to circuit control technology field, particularly breaker technical field more specifically, is meant a kind of operating mechanism of miniature circuit breaker.
Background technology
Existing miniature circuit breaker is made up of actuator system 11, electromagnetic system 12, contact system 13 etc., its part is very many, complex structure, poor stability has not only improved cost, and produces also inconvenience is installed, on/off switch speed is subjected to structure and the easy big spark of output simultaneously, the use fail safe is not high, and the electromagnetism moment tripping current spring that is subjected to move in wink when producing influences and can not adjust, and does not satisfy the needs of different setting currents.
Summary of the invention
Main purpose of the present invention is exactly the problems and shortcomings at above existence, a kind of operating mechanism of miniature circuit breaker is provided, this operating mechanism part is less, relatively simple for structure, good stability, reduced cost, produce easy for installation, safety and setting current adjustable.
To achieve these goals, the technical solution used in the present invention is:
A kind of operating mechanism of miniature circuit breaker, comprise housing, first binding post, second binding post, fixed contact and handle, described first binding post and described second binding post are fixed in the described housing, have first opening on the described housing, the inner surface of described housing is provided with Handle axis, described handle comprises first end and the second end, described first end is provided with handle hole, described handle hole is socketed on the described Handle axis, described handle can rotate around described Handle axis, described the second end passes described first opening, is characterized in, also comprises:
Drive link, described drive link comprises con-rod only, first hook portion and second hook portion, described first hook portion connects described second hook portion by described con-rod only, and described first end is provided with the be in transmission connection hole parallel with described handle hole, and described first hook portion is arranged in the described hole that is in transmission connection;
Drive disk assembly, described drive disk assembly comprises the snap close axle, the snap close elastomer, snap close, moving contact, tripping, the tripping elastomer, described snap close axle is arranged on the described inner surface parallel with described Handle axis, described moving contact is electrically connected described second binding post, described moving contact comprises first terminal and second end, described snap close elastomer, described snap close, described second end, described tripping and described tripping elastomer are socketed on the described snap close axle successively, described snap close elastomer one end is fixed on the described inner surface, the described snap close elastomer other end is fixed on the described snap close, described inner surface is provided with restriction protrusion, described restriction protrusion props up described snap close to limit its action under the effect of described snap close elastomer, described second end is fixed on the described snap close, described snap close is provided with positive stop lug boss and protruded stigma, described positive stop lug boss is provided with arc convex, have limited impression in the described tripping, described arc convex is arranged in described limited impression, described tripping is provided with the shake-up boss, described tripping elastomer one end and described tripping are fixed, the described tripping elastomer other end and described protruded stigma are fixed, described positive stop lug boss side has first recess, described tripping one end has second recess, under the effect of described tripping elastomer, described first recess and described second recess are involutory tightly, because described arc convex is arranged in the described tripping of described limited impression restriction, described first recess and described second recess can not be closed fully, thereby form shrinkage pool with second opening, described second hook portion is arranged in described shrinkage pool, and described first end is used for contacting with described fixed contact and disconnecting;
From the described fixed contact state of the described first terminal disconnection, rotate described handle, at described handle in described Handle axis rotation process, described handle pushes described snap close by described drive link makes it rotate around described snap close axle, thereby drive the described first terminal close described fixed contact, when described drive link to the active force of described handle during by described handle hole axle center, this moment, the locus in the described hole that is in transmission connection was called the dead point, before the described aperture that is in transmission connection is crossed described dead-centre position, described drive link makes described handle have the counter motion tendency to the active force of described handle, after the described aperture that is in transmission connection is crossed described dead-centre position, described drive link makes described handle forward move to the active force of described handle to be stopped the described fixed contact of described first terminal contact this moment by described first opening until described handle;
Electromagnetic trip device; described electromagnetic trip device comprises solenoid; moving iron core and release lever; described fixed contact is electrically connected described first binding post by described solenoid; described moving iron core is arranged in described solenoid can be with respect to described solenoid turnover; described release lever is fixed in the described moving iron core; be equipped with described shake-up boss; promptly under described first end and described fixed contact contact condition; when transient current is excessive; described solenoid makes described moving iron core drive described release lever and pushes described shake-up boss; described tripping is done and the opposite rotation of described tripping elastomer force direction around described snap close axle; described first recess is opened described second recess of pine; described second hook portion skids off described shrinkage pool; described latch under the elastomeric return action of described snap close to reply blocked by described restriction protrusion until described snap close; make the described first terminal and described fixed contact disconnect, reach the effect of moving protection of electromagnetism wink.
Preferably, described con-rod only has kink, and described snap close elastomer is a latch spring, and described tripping elastomer is the tripping spring.
Preferably, described drive disk assembly also comprises the moving contact elastomer, described moving contact elastomer sleeve is connected on the described snap close axle, described moving contact elastomer one end is fixed on the described snap close, the described moving contact elastomer other end is fixed on described second end, described positive stop lug boss blocks described second end to limit the rotation of described second end under the effect of described moving contact elastomer, thereby by described moving contact elastomer and fixing described second end of described positive stop lug boss, described moving contact elastomer also is used to cushion the pressure between described moving contact and the described fixed contact.
Preferably, described handle also comprises the handle elastomer, and described handle elastomer sleeve is connected on the described Handle axis, and described handle elastomer one end is fixed on the described inner surface, and the described handle elastomer other end is fixed on the described first end.
Preferably; described electromagnetic trip device also comprises the counter-force elastomer that is fixed on the described inner surface; described counter-force elastomer props up described moving iron core; the electromagnetic force that elastic force that described counter-force elastomer produces and described moving iron core produce is reverse; play the effect that stops described moving iron core motion; when circuit has instantaneous large-current to pass through; described moving iron core produces electromagnetic force under the magnetic field of described solenoid; electromagnetic force overcomes the elastomeric elastic force of described counter-force and promotes described release lever simultaneously; make described release lever moment push the described shake-up boss of described tripping; described tripping is done and the opposite rotation of described tripping elastomer force direction around described snap close axle; described first recess is opened described second recess of pine; described second hook portion skids off described shrinkage pool; described latch under the elastomeric return action of described snap close to reply blocked by described restriction protrusion until described snap close; make the described first terminal and described fixed contact disconnect, reach the effect of moving protection of electromagnetism wink.
More preferably, described counter-force elastomer has hook portion, and described moving iron core has neck, and neck is stated in described hook portion rhampotheca residence.
Preferably, also be provided with baffle plate on the described inner surface, described baffle plate blocks described moving iron core, stops the motion of described moving iron core under the effect of described counter-force elastomer, thereby limits the range of movement of described moving iron core.
Preferably, described electromagnetic trip device also comprises adjusting device, and described counter-force elastomer is fixed on the described adjusting device, also has adjustment hole on the described housing, and the described adjusting device of part is arranged in described adjustment hole.
More preferably, described adjusting device is an adjusting rod, described adjusting rod one end is arranged in described adjustment hole, described end has the rectangle mesopore, and described end cross-sectional is a gear shape, and described adjustment hole has lobe, described adjustment hole is meshed in described end, can finish adjusting of wink streaming current different multiples by adjusting rod, realize adjustability in process of production, to satisfy different instructions for uses.
Preferably; also comprise bimetal leaf; described bimetal leaf one end is fixed in the described housing; described inner surface is provided with the pull bar loose slot; has pull bar in the described pull bar loose slot; described pull bar has first projecting end and second projecting end; distance between the described bimetal leaf other end and the described shake-up boss is by described first projecting end and the restriction of described second projecting end; described moving contact is connected by flexible conductor with described bimetal leaf; described bimetal leaf is electrically connected described second binding post; promptly; described moving contact is electrically connected with described second binding post by described bimetal leaf; under the function of current; the described other end of described bimetal leaf is gradually along away from the bending of described shake-up boss direction; described first projecting end is pushed by described bimetal leaf gradually; described second projecting end spurs the described shake-up boss of described tripping; described tripping is done and the opposite rotation of described tripping elastomer force direction around described snap close axle; described first recess is opened described second recess of pine; described second hook portion skids off described shrinkage pool; described latch under the elastomeric return action of described snap close to reply blocked by described restriction protrusion until described snap close; make the described first terminal and described fixed contact disconnect; finish the thermal overload protection effect, the pull bar active procedure is provided with certain spacing stroke.
More preferably, the described other end of described bimetal leaf and described shake-up boss are between described first projecting end and described second projecting end, or the described other end of described bimetal leaf is fixed in described first projecting end, or described shake-up boss is fixed in described second projecting end.
Preferably, also comprise run-on tab and arc-control device, position near described fixed contact on the described inner surface is provided with insulating barrier, described run-on tab and described arc-control device are fixed in the described housing, arcing direction when described run-on tab is arranged on corresponding described moving contact and the disconnection of described fixed contact, described run-on tab connects described arc-control device, when dynamic/static contact action disjunction, the electric arc that produces causes described arc-control device by described run-on tab, add the setting of insulating barrier, guaranteed the quick arc extinguishing and the safety in utilization of miniature circuit breaker.
Beneficial effect of the present invention is as follows:
1, the cooperation of the present invention by handle, drive link and drive disk assembly realizes the operation of miniature circuit breaker, and part is less, and relatively simple for structure, good stability, production are easy for installation.
2, the present invention realizes the moving protection of electromagnetism wink by electromagnetic trip device when electric current is excessive; separating brake moment finishes; avoided the generation of big spark; when overheated, realize thermal overload protection by bimetal leaf and pull bar; when dynamic/static contact action disjunction produces electric arc, realize quick arc extinguishing and increase safety in utilization, make the present invention as safe as a house by insulating barrier, run-on tab and arc-control device.
3, owing to can regulate the active force that reaction spring acts on moving iron core by adjusting device in the electromagnetic trip device of the present invention, thereby the electromagnetic force size that control makes moving iron core motion, and then control reaches the adjustable purpose of setting current by the size of current of solenoid.
Description of drawings
Fig. 1 is the inner primary structure schematic diagram of a kind of existing miniature circuit breaker.
Fig. 2 is the schematic top plan view of internal structure of a specific embodiment of operating mechanism of the present invention;
Fig. 3 is the schematic top plan view of handle, drive link, drive disk assembly and the fixed contact of operating mechanism shown in Figure 2.
Fig. 4 is the stereochemical structure decomposing schematic representation of handle, drive link, drive disk assembly and the fixed contact of operating mechanism shown in Figure 3.
Fig. 5 is the schematic top plan view of a kind of user mode of operating mechanism shown in Figure 2.
Fig. 6 is the cross-sectional schematic of A-A direction among Fig. 5.
Fig. 7 is the cross-sectional schematic of B-B direction among Fig. 5.
Embodiment
In order more to be expressly understood technology contents of the present invention, now further specify as follows in conjunction with the embodiments:
See also Fig. 2～shown in Figure 7, the operating mechanism of a kind of miniature circuit breaker of the present invention, comprise housing 2, first binding post 21, second binding post 22, fixed contact 23 and handle 3, described first binding post 21 and described second binding post 22 are fixed in the described housing 2, have first opening 24 on the described housing 2, the inner surface of described housing 2 is provided with Handle axis 25, described handle 3 comprises first end 31 and the second end 32, described first end 31 is provided with handle hole 33, described handle hole 33 is socketed on the described Handle axis 25, described handle 3 can rotate around described Handle axis 25, and described the second end 32 passes described first opening 24, also comprises:
In a specific embodiment of the present invention, described con-rod only 41 has kink, and described snap close elastomer 52 is latch springs, and described tripping elastomer 56 is tripping springs.
In a specific embodiment of the present invention, described drive disk assembly 5 also comprises moving contact elastomer 59, described moving contact elastomer 59 is socketed on the described snap close axle 51, described moving contact elastomer 59 1 ends are fixed on the described snap close 53, described moving contact elastomer 59 other ends are fixed on described second end 58, described positive stop lug boss 61 blocks described second end 58 to limit the rotation of described second end 58 under described moving contact elastomer 59 effects, thereby by described moving contact elastomer 58 and described positive stop lug boss 61 fixing described second ends 58, described moving contact elastomer 59 also is used to cushion the pressure between described moving contact 54 and the described fixed contact 23.More preferably, described moving contact elastomer 59 is moving contact springs.
In a specific embodiment of the present invention, described handle 3 also comprises handle elastomer 35, described handle elastomer 35 is socketed on the described Handle axis 25, and described handle elastomer 35 1 ends are fixed on the described inner surface, and described handle elastomer 35 other ends are fixed on the described first end 31.More preferably, described handle elastomer 35 is handle springs.
Preferably, described electromagnetic trip device 7 also comprises the counter-force elastomer 74 that is fixed on the described inner surface, described counter-force elastomer 74 props up described moving iron core 72, the electromagnetic force that elastic force that described counter-force elastomer 74 produces and described moving iron core 72 produce is reverse, plays the effect that stops described moving iron core 72 motions.More preferably, described counter-force elastomer 74 is reaction springs.
In a specific embodiment of the present invention, described counter-force elastomer 74 has hook portion, and described moving iron core 72 has neck, and neck is stated in described hook portion rhampotheca residence.
In a specific embodiment of the present invention, also be provided with baffle plate 28 on the described inner surface, described baffle plate 28 blocks described moving iron core 72, stops the motion of described moving iron core 72 under described counter-force elastomer 74 effects, thereby limits the range of movement of described moving iron core 72.
Preferably, described electromagnetic trip device 7 also comprises adjusting device 77, and described counter-force elastomer 74 is fixed on the described adjusting device 77, also has adjustment hole 29 on the described housing 2, and the described adjusting device 77 of part is arranged in described adjustment hole 29.
In a specific embodiment of the present invention, described adjusting device 77 is an adjusting rod, described adjusting rod one end is arranged in described adjustment hole 29, described end has the rectangle mesopore, and described end cross-sectional is a gear shape, and described adjustment hole 29 has lobe, described adjustment hole 29 is meshed in described end, can finish adjusting of wink streaming current different multiples by adjusting rod, realize adjustability in process of production, to satisfy different instructions for uses.
Preferably, also comprise bimetal leaf 8, described bimetal leaf 8 one ends are fixed in the described housing 2, described inner surface is provided with pull bar loose slot 81, has pull bar 82 in the described pull bar loose slot 81, described pull bar 82 has first projecting end 83 and second projecting end 84, distance between described bimetal leaf 8 other ends and the described shake-up boss 64 is by described first projecting end 83 and 84 restrictions of described second projecting end, described moving contact 54 and described bimetal leaf 8 are connected by flexible conductor, described bimetal leaf electricity 8 connects described second binding post 22, that is, described moving contact 54 is electrically connected with described second binding post 22 by described bimetal leaf 8.
Further, the described other end of described bimetal leaf 8 and described shake-up boss 64 are between described first projecting end 83 and described second projecting end 84, or the described other end of described bimetal leaf 8 is fixed in described first projecting end 83, or described shake-up boss 64 is fixed in described second projecting end 84, in a specific embodiment of the present invention, the described other end of described bimetal leaf 8 and described shake-up boss 64 are between described first projecting end 83 and described second projecting end 84.
In a specific embodiment of the present invention, also comprise run-on tab 85 and arc-control device 86, position near described fixed contact 23 on the described inner surface is provided with insulating barrier 87, described run-on tab 85 and described arc-control device 86 are fixed in the described housing 2, arcing direction when described run-on tab 85 is arranged on corresponding described moving contact 54 and 23 disconnections of described fixed contact, described run-on tab 85 connects described arc-control device 86.
Because part of the present invention is all fairly simple or common, produce very conveniently, install simple relatively.
Use when of the present invention, disconnect described fixed contact 23 states (as shown in Figure 2) from described first terminal 57, when closing a floodgate, rotate described handle 3, at described handle 3 in described Handle axis 25 rotation processes, described handle 3 pushes described snap close 53 by described drive link 4 makes it rotate around described snap close axle 51, thereby drive described first terminal 57 near described fixed contact 23, when the active force of 4 pairs of described handles 3 of described drive link passes through described handle hole 33 axle center, this moment, the described locus that is in transmission connection hole 34 was called the dead point, before the described described dead-centre position of 34 processes, hole that is in transmission connection, the active force of 4 pairs of described handles 3 of described drive link makes described handle 3 have the counter motion tendency, behind the described described dead-centre position of 34 processes, hole that is in transmission connection, the active force of 4 pairs of described handles 3 of described drive link makes described handle 3 forward move to be stopped by described first opening 24 until described handle 3, this moment described first terminal 57 contact described fixed contacts 23 (as shown in Figure 5); When needing separating brake, handle 3 direction of rotation turning handles 3 during with combined floodgate, before the described described dead-centre position of 34 processes, hole that is in transmission connection, the active force of 4 pairs of described handles 3 of described drive link makes described handle 3 have the counter motion tendency, behind the described described dead-centre position of 34 processes, hole that is in transmission connection, the active force of 4 pairs of described handles 3 of described drive link makes described handle 3 forward move, described snap close 53 is replied until described snap close 53 under the effect of described snap close elastomer 52 and is blocked by described restriction protrusion 26, and disconnect described fixed contact 23 (as shown in Figure 2) this moment described first terminal 57.
Can finish adjusting of wink streaming current different multiples by adjusting rod; realize adjustability in process of production; to satisfy different instructions for uses; when under described first end 57 and described fixed contact 23 contact conditions; when transient current is excessive; described moving iron core 72 produces electromagnetic force under the magnetic field of described solenoid 71; electromagnetic force overcomes the elastic force of described counter-force elastomer 74 and promotes described release lever 73 simultaneously; make 73 moments of described release lever push the described shake-up boss 64 of described tripping 55; described tripping 55 is done and the opposite rotation of described tripping elastomer 56 force directions around described snap close axle 51; described second recess 65 of 66 pines of described first recess; described second hook portion 43 skids off described shrinkage pool 68; described snap close 53 is replied until described snap close 53 under the return action of described snap close elastomer 52 and is blocked by described restriction protrusion 26; make described first end 57 and described fixed contact 23 disconnect; reach the effect of moving protection of electromagnetism wink; turning handle 3, the second hook portions 43 can reenter in the described shrinkage pool 68 via described second opening 67.
Under the function of current; the described other end of described bimetal leaf 8 is gradually along away from described shake-up boss 64 direction bendings; described first projecting end 83 is pushed by described bimetal leaf 8 gradually; the described shake-up boss 64 of the described tripping 55 of described second projecting end, 84 pullings; described tripping 55 is done and the opposite rotation of described tripping elastomer 56 force directions around described snap close axle 51; described second recess 65 of 66 pines of described first recess; described second hook portion 43 skids off described shrinkage pool 68; described snap close 53 is replied until described snap close 53 under the return action of described snap close elastomer 52 and is blocked by described restriction protrusion 26; make described first end 57 and described fixed contact 23 disconnect, finish the thermal overload protection effect.
When dynamic/static contact action disjunction, the arc spark of generation is introduced described arc-control device by described run-on tab 85 and 86 li its energy is subtracted to go out, add the setting of insulating barrier 87, guaranteed the quick arc extinguishing and the safety in utilization of miniature circuit breaker.
In sum, less, relatively simple for structure, the good stability of the operating mechanism part of miniature circuit breaker of the present invention, reduced cost, produce easy for installation, safety and setting current adjustable.
Need to prove, all quote in this application as a reference, just quoted as a reference separately as each piece document at all documents that the present invention mentions.Should understand in addition, above-described is specific embodiments of the invention and the know-why used, after having read above-mentioned instruction content of the present invention, those skilled in the art can make various changes or modifications and not deviate from spirit of the present invention and scope the present invention, and these equivalent form of values fall within the scope of the invention equally.
Claims (12)
1, a kind of operating mechanism of miniature circuit breaker, comprise housing, first binding post, second binding post, fixed contact and handle, described first binding post and described second binding post are fixed in the described housing, have first opening on the described housing, the inner surface of described housing is provided with Handle axis, described handle comprises first end and the second end, described first end is provided with handle hole, described handle hole is socketed on the described Handle axis, described handle can rotate around described Handle axis, described the second end passes described first opening, it is characterized in that, the operating mechanism of described miniature circuit breaker also comprises:
Drive link, described drive link comprises con-rod only, first hook portion and second hook portion, described first hook portion connects described second hook portion by described con-rod only, and described first end is provided with the be in transmission connection hole parallel with described handle hole, and described first hook portion is arranged in the described hole that is in transmission connection;
Drive disk assembly, described drive disk assembly comprises the snap close axle, the snap close elastomer, snap close, moving contact, tripping, the tripping elastomer, described snap close axle is arranged on the described inner surface parallel with described Handle axis, described moving contact is electrically connected described second binding post, described moving contact comprises first terminal and second end, described snap close elastomer, described snap close, described second end, described tripping and described tripping elastomer are socketed on the described snap close axle successively, described snap close elastomer one end is fixed on the described inner surface, the described snap close elastomer other end is fixed on the described snap close, described inner surface is provided with restriction protrusion, described restriction protrusion props up described snap close to limit its action under the effect of described snap close elastomer, described second end is fixed on the described snap close, described snap close is provided with positive stop lug boss and protruded stigma, described positive stop lug boss is provided with arc convex, have limited impression in the described tripping, described arc convex is arranged in described limited impression, described tripping is provided with the shake-up boss, described tripping elastomer one end and described tripping are fixed, the described tripping elastomer other end and described protruded stigma are fixed, described positive stop lug boss side has first recess, described tripping one end has second recess, under the effect of described tripping elastomer, described first recess and described second recess are involutory tightly, because described arc convex is arranged in the described tripping of described limited impression restriction, described first recess and described second recess can not be closed fully, thereby form shrinkage pool with second opening, described second hook portion is arranged in described shrinkage pool, and described first end is used for contacting with described fixed contact and disconnecting;
Electromagnetic trip device, described electromagnetic trip device comprises solenoid, moving iron core and release lever, described fixed contact is electrically connected described first binding post by described solenoid, described moving iron core is arranged in described solenoid can be with respect to described solenoid turnover, described release lever is fixed in the described moving iron core, is equipped with described shake-up boss.
2, the operating mechanism of miniature circuit breaker according to claim 1 is characterized in that, described con-rod only has kink, and described snap close elastomer is a latch spring, and described tripping elastomer is the tripping spring.
3, the operating mechanism of miniature circuit breaker according to claim 1, it is characterized in that, described drive disk assembly also comprises the moving contact elastomer, described moving contact elastomer sleeve is connected on the described snap close axle, described moving contact elastomer one end is fixed on the described snap close, the described moving contact elastomer other end is fixed on described second end, described positive stop lug boss blocks described second end to limit the rotation of described second end under the effect of described moving contact elastomer, thereby by described moving contact elastomer and fixing described second end of described positive stop lug boss, described moving contact elastomer also is used to cushion the pressure between described moving contact and the described fixed contact.
4, the operating mechanism of miniature circuit breaker according to claim 1, it is characterized in that, described handle also comprises the handle elastomer, described handle elastomer sleeve is connected on the described Handle axis, described handle elastomer one end is fixed on the described inner surface, and the described handle elastomer other end is fixed on the described first end.
5, the operating mechanism of miniature circuit breaker according to claim 1, it is characterized in that, described electromagnetic trip device also comprises the counter-force elastomer that is fixed on the described inner surface, described counter-force elastomer props up described moving iron core, the electromagnetic force that elastic force that described counter-force elastomer produces and described moving iron core produce is reverse, plays the effect that stops described moving iron core motion.
6, the operating mechanism of miniature circuit breaker according to claim 5 is characterized in that, described counter-force elastomer has hook portion, and described moving iron core has neck, and neck is stated in described hook portion rhampotheca residence.
7, the operating mechanism of miniature circuit breaker according to claim 5, it is characterized in that also be provided with baffle plate on the described inner surface, described baffle plate blocks described moving iron core, stop the motion of described moving iron core under the effect of described counter-force elastomer, thereby limit the range of movement of described moving iron core.
8, the operating mechanism of miniature circuit breaker according to claim 5, it is characterized in that, described electromagnetic trip device also comprises adjusting device, described counter-force elastomer is fixed on the described adjusting device, also have adjustment hole on the described housing, the part of described adjusting device is arranged in described adjustment hole.
9, the operating mechanism of miniature circuit breaker according to claim 8, it is characterized in that, described adjusting device is an adjusting rod, described adjusting rod one end is arranged in described adjustment hole, described end has the rectangle mesopore, described end cross-sectional is a gear shape, and described adjustment hole has lobe, and described adjustment hole is meshed in described end.
10, the operating mechanism of miniature circuit breaker according to claim 1, it is characterized in that, the operating mechanism of described miniature circuit breaker also comprises bimetal leaf, described bimetal leaf one end is fixed in the described housing, described inner surface is provided with the pull bar loose slot, has pull bar in the described pull bar loose slot, described pull bar has first projecting end and second projecting end, distance between the described bimetal leaf other end and the described shake-up boss is by described first projecting end and the restriction of described second projecting end, described moving contact is connected by flexible conductor with described bimetal leaf, and described bimetal leaf is electrically connected described second binding post.
11, the operating mechanism of miniature circuit breaker according to claim 10, it is characterized in that, the described other end of described bimetal leaf and described shake-up boss are between described first projecting end and described second projecting end, or the described other end of described bimetal leaf is fixed in described first projecting end, or described shake-up boss is fixed in described second projecting end.
12, the operating mechanism of miniature circuit breaker according to claim 1, it is characterized in that, the operating mechanism of described miniature circuit breaker also comprises run-on tab and arc-control device, position near described fixed contact on the described inner surface is provided with insulating barrier, described run-on tab and described arc-control device are fixed in the described housing, arcing direction when described run-on tab is arranged on corresponding described moving contact and the disconnection of described fixed contact, described run-on tab connects described arc-control device.
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| CNB2008100206808A CN100555506C (en) | 2008-02-21 | 2008-02-21 | The operating mechanism of miniature circuit breaker |
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| CNB2008100206808A CN100555506C (en) | 2008-02-21 | 2008-02-21 | The operating mechanism of miniature circuit breaker |
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| CN101231926A CN101231926A (en) | 2008-07-30 |
| CN100555506C true CN100555506C (en) | 2009-10-28 |
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| CN105103259B (en) * | 2013-04-11 | 2017-04-26 | 松下知识产权经营株式会社 | Circuit switchgear and circuit breaker |
| CN103346047B (en) * | 2013-05-30 | 2016-03-30 | 浙江天正电气股份有限公司 | A kind of miniature circuit breaker of tape jam tripping indicating device |
| CN103413732A (en) * | 2013-08-29 | 2013-11-27 | 温州罗格朗电器有限公司 | Operating mechanism of breaker |
| CN104505307B (en) * | 2014-12-29 | 2017-04-19 | 德力西电气有限公司 | Release indicating mechanism and release machine with same |
| CN105742128A (en) * | 2016-04-14 | 2016-07-06 | 乐清市智顺电气有限公司 | Operating mechanism of electrical protection apparatus |
| CN105914110B (en) * | 2016-06-20 | 2017-10-20 | 浙江天正电气股份有限公司 | A kind of miniature circuit breaker |
| CN107546080B (en) * | 2016-06-23 | 2019-12-31 | 上海良信电器股份有限公司 | Small-sized circuit breaker |
| CN110277286A (en) * | 2018-03-13 | 2019-09-24 | 浙江思创电力科技股份有限公司 | A kind of breaker mechanism |
| CN111916318A (en) * | 2020-09-16 | 2020-11-10 | 美高电气科技有限公司 | Double-electromagnetic drive type single-pole circuit breaker |
| CN112542361A (en) * | 2020-12-14 | 2021-03-23 | 深圳曼顿科技有限公司 | Circuit breaker |
-
2008
- 2008-02-21 CN CNB2008100206808A patent/CN100555506C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101231926A (en) | 2008-07-30 |
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