CN203826311U - Shunt tripping mechanism of breaker - Google Patents
Shunt tripping mechanism of breaker Download PDFInfo
- Publication number
- CN203826311U CN203826311U CN201420184357.5U CN201420184357U CN203826311U CN 203826311 U CN203826311 U CN 203826311U CN 201420184357 U CN201420184357 U CN 201420184357U CN 203826311 U CN203826311 U CN 203826311U
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- China
- Prior art keywords
- push rod
- iron core
- mounting panel
- restoring link
- spring
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- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 title claims abstract description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 55
- 238000009434 installation Methods 0.000 claims description 24
- 230000003068 static effect Effects 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 4
- 230000005284 excitation Effects 0.000 abstract 4
- 230000009471 action Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
Provided is a shunt tripping mechanism of a breaker. The mechanism comprises a reset button, a reset connecting rod, a pair of parallel installing plates arranged at interval, a push rod between the installing plates, a lock catch, a reset spring, a shunt excitation coil, and other parts. The push rod, the lock catch, and the shunt excitation coil are assembled between the two installing plates. The reset spring provides stored energy. After the shunt excitation coil operates, the lock catch and the push rod are tripped, stored energy is released, and the push rod moves, and then the push rod is reset through the reset button and the reset connecting rod, and the spring stores energy. The tripping mechanism is simple in structure and convenient in assembling. The shunt excitation coil is changed into an electronic type from an electromagnetic type, so cost is preferably reduced.
Description
Technical field
The utility model relates to a kind of shunted exciter tripping mechanism of circuit breaker, belongs to electric switch technical field.
Background technology
Circuit breaker is connected, disjunction and carrying rated operational current in circuit, and can transship at circuit, short circuit, protect reliably under-voltage in the situation that.Circuit breaker is generally comprised of several parts such as release, contact system, arc-control device, transmission mechanism and shells, and release wherein comprises magnetictrip, thermal overload release, device for under-voltage releasing equipment and shunt release.Shunt release is controlled for remote operation breaker open operation, its solenoid is connected in parallel on the mains side of low-voltage circuit breaker, in the time of need to carrying out sub-switching operation, press and often open the electromagnet energising suction moving armature that button makes shunt release, by transmission mechanism, promote free tripping mechanism, make circuit breaker breaking.
Existing circuit breaker mainly adopts electromagnetic release, electronic type release, and the shortcoming of electromagnetic release is: technology and technological requirement are higher, and the auxiliary component of mechanism is more, complex structure; The tripping force of another kind of electronic type release is less, and dropout stroke is less.
Summary of the invention
The utility model provides a kind of shunted exciter tripping mechanism of circuit breaker.
For achieving the above object, the technical solution adopted in the utility model is: a kind of shunted exciter tripping mechanism of circuit breaker, comprises mounting structure, resetting device, transmission mechanism and shunt opening coil;
Described mounting structure comprises pair of parallel and spaced mounting panel;
Described resetting device comprises reset button, restoring link, this restoring link comprises restoring link fixed part, reset button restoring link linkage portion and restoring link push rod linkage portion, described restoring link is by restoring link fixed part rotational support in the outside of described mounting panel, and described restoring link is hinged with reset button restoring link linkage portion and described reset button;
Described transmission mechanism comprises push rod, back-moving spring, back-moving spring fixed head and retaining mechanism, and wherein, described back-moving spring is Compress Spring; Described push rod horizontal slip be arranged at two described between mounting panel, the restoring link push rod linkage portion of described push rod and described restoring link is in transmission connection; Described back-moving spring fixed head be fixed on two described between mounting panel, described back-moving spring is located between described push rod and back-moving spring fixed head, described push rod is provided with connecting portion towards a side of back-moving spring, and opposite side is provided with the push rod that acts on described breaker tripping mechanism; Described retaining mechanism is located at described push rod towards a side of back-moving spring, and described retaining mechanism comprises snap close, torsion spring, retaining mechanism installation shaft; Described retaining mechanism installation shaft be located at two described between mounting panel, described torsion spring and snap close are set in described retaining mechanism installation shaft, an installation foot of described torsion spring is limited on described mounting panel, another installation foot is limited on described snap close; Described snap close comprises locking arm and the trip arm, and described locking arm becomes angle setting with the trip arm, the connecting portion hook joint of described locking arm and described push rod;
Described shunt opening coil be fixed on two described between mounting panel, the trip arm setting of the corresponding described retaining mechanism of iron core that the effect of the electromotive force that the coil windings due to shunt opening coil of described shunt opening coil produces under "on" position moves back and forth.
Preferred technical scheme is: described mounting panel is provided with the push rod installing hole of a plurality of levels, the corresponding described push rod installing hole of described push rod is provided with a plurality of push rod slide blocks, described push rod forms in the push rod installing hole of described mounting panel the setting of sliding with push rod slide block sliding support, and described push rod is in transmission connection with the restoring link push rod linkage portion of push rod slide block and described restoring link.
Preferred technical scheme is: the corresponding described the trip arm of described push rod is provided with the trip arm stopper slot.
Preferred technical scheme is: described mounting panel is provided with vertical reset button installing hole, and described reset button is slided and is limited in described vertical reset button installing hole.
Preferred technical scheme is: described shunt opening coil comprises yoke, moving iron core, static iron core, moving iron core return-spring and coil windings; The central part of described coil windings is provided with through hole vertically, and described static iron core is located at one end of described through hole, and is fixedly installed with respect to described coil windings, and described moving iron core is located at the other end of described through hole; The central part of described static iron core is provided with moving iron core vertically through hole, and described moving iron core return-spring is set on described moving iron core; Described moving iron core return-spring is between described moving iron core and static iron core, and the moving iron core of the corresponding described static iron core in one end of described moving iron core arranges through hole; Described coil windings is fastened in described yoke, the trip arm setting of the corresponding described retaining mechanism of described moving iron core.
Preferred technical scheme is: also comprise a connecting rod, this connecting rod rotational support is in the outside of described mounting panel, and the upper end of connecting rod is against the push rod slide block that is positioned at below.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, because the utility model adopts electronic type release, increased a member that increases tripping force and dropout stroke, simpler than the shunted exciter tripping mechanism structure of electromagnetic type structure, reliability is high, and cost is low;
2, push rod of the present utility model increases thrust and stroke by back-moving spring, has changed the less and less shortcoming of dropout stroke of the tripping force of existing electronic type release;
3, design of part of the present utility model is simple, and number of spare parts is few;
4, snap close of the present utility model utilizes lever force-saving principle, and the arm of force is longer, and the sensitivity of therefore threading off is higher.
Accompanying drawing explanation
Accompanying drawing 1 is shunted exciter tripping structural scheme of mechanism.
Accompanying drawing 2 is shunted exciter tripping mechanism explosive view.
Accompanying drawing 3 is snap close schematic diagram.
Accompanying drawing 4 is push rod schematic diagram.
Accompanying drawing 5 is the retaining mechanism schematic diagram of not threading off.
Accompanying drawing 6 is the retaining mechanism schematic diagram of threading off.
Accompanying drawing 7 is shunt opening coil schematic diagram.
Accompanying drawing 8 is mounting panel schematic diagram.
Accompanying drawing 9 is the shunted exciter tripping structural scheme of mechanism of retaining mechanism after threading off.
In above accompanying drawing: 1, reset button; 2, shunt opening coil; 3, rivet; 4, restoring link; 5, retaining mechanism installation shaft; 6, connecting rod installation shaft; 7, mounting panel fixed lever; 8, keeper; 9, connecting rod; 10, mounting panel; 11, torsion spring; 12, snap close; 13, back-moving spring fixed head; 14, back-moving spring; 15, push rod; 16, push rod; 17, the trip arm; 18, locking arm; 19, connecting portion; 20, yoke; 21, coil windings; 22, moving iron core; 23, moving iron core return-spring; 24, static iron core; 25, restoring link fixed part; 26, reset button restoring link linkage portion; 27, restoring link push rod linkage portion; 28, installation foot; 29, push rod installing hole; 30, push rod slide block; 31, the trip arm stopper slot; 32, reset button installing hole.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Notice, appended graphic the illustrated structure of this specification, ratio, size etc., equal contents in order to coordinate specification to disclose only, for person skilled in the art scholar, understand and read, not in order to limit the enforceable qualifications of the present invention, therefore the technical essential meaning of tool not, the adjustment of the modification of any structure, the change of proportionate relationship or size, not affecting under the effect that the present invention can produce and the object that can reach, all should still drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, in this specification, quote as " on ", the term of D score, " left side ", " right side ", " centre " and " " etc., also only for ease of understanding of narrating, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under without essence change technology contents, when being also considered as the enforceable category of the present invention.
Embodiment: a kind of shunted exciter tripping mechanism of circuit breaker
Shown in accompanying drawing 1～accompanying drawing 9, a kind of shunted exciter tripping mechanism of circuit breaker, comprises mounting structure, resetting device, transmission mechanism and shunt opening coil;
Described mounting structure comprises pair of parallel and spaced mounting panel 10, by three mounting panel fixed levers 7, two mounting panels 10 is fixedly installed, and between two mounting panels 10, has certain structure, and transmission mechanism and shunt opening coil are arranged between two mounting panels 10.Resetting device is arranged on a side of mounting structure.
Described resetting device comprises reset button 1, restoring link 4, this restoring link 4 comprises restoring link fixed part 25, reset button restoring link linkage portion 26 and restoring link push rod linkage portion 27, described restoring link 4 by restoring link fixed part 25 rotational support in the outside of described mounting panel 10 (with respect to and two mounting panels between position for).At arranged outside one rivet 3 of mounting panel 10, restoring link 4 is set on rivet 3 with restoring link fixed part 25, and restoring link 4 is around rivet 3 rotations in mounting panel 10 outsides.Described restoring link 4 is hinged with reset button restoring link linkage portion 26 and described reset button 1.Be reset button 1 and 26 interlocks of reset button restoring link linkage portion, on mounting panel 10, offer hole or the groove of a vertical strip, 1 pair of reset button should hole or groove establish slide block, reset button 1, under the position-limiting action of vertical hole or groove, only slides up and down with respect to mounting panel 10 like this.So-called reset button 1 and 26 interlocks of reset button restoring link linkage portion, refer to when reset button 1 moves up and down, can drive restoring link 4 to rotate (action when operation reset button 1 resets), on the contrary, the rotation of restoring link 4 also can drive reset button 1 to move up and down (action during shunt opening coil electricity).
Described transmission mechanism comprises push rod 15, back-moving spring 14, back-moving spring fixed head 13 and retaining mechanism, and wherein, described back-moving spring 14 is Compress Spring.Stable in order to install, on two mounting panels 10, equal along continuous straight runs is offered the hole of strip, and the position in the hole that two mounting panels 10 are offered can be identical, also can be different, list all needs along continuous straight runs to offer, and length need to meet the concrete needs of movement that push rod 15 is set.
Described push rod 15 horizontal slips be arranged at two described between mounting panel 10, the hole that corresponding two mounting panel 10 along continuous straight runs of push rod 15 are offered strip arranges four slide blocks, slide block slides in the hole of mounting panel 10.Described push rod 15 is in transmission connection with the restoring link push rod linkage portion 27 of described restoring link 4, so-called interlock is the rotation of restoring link 4, drive push rod 15 to move (action when operation reset button 1 resets) along the hole horizontal of the horizontal direction of mounting panel 10, on the contrary, push rod 15 moves 4 rotations (action during shunt opening coil electricity) of drive restoring link along the hole horizontal of the horizontal direction of mounting panel 10.
Described back-moving spring fixed head 13 be fixed on two described between mounting panel 10, described back-moving spring 14 is located between described push rod 15 and back-moving spring fixed head 13, described push rod 15 is provided with connecting portion 19 towards a side of back-moving spring 14, and opposite side is provided with the push rod 16 that acts on described breaker tripping mechanism; Described retaining mechanism is located at described push rod 15 towards a side of back-moving spring 14.
Described retaining mechanism comprises snap close 12, torsion spring 11, retaining mechanism installation shaft 5.After retaining mechanism installation shaft 5 is located at back-moving spring fixed head 13.Described retaining mechanism installation shaft 5 be located at two described between mounting panel 10, the two ends that are retaining mechanism installation shaft 5 are separately fixed on a mounting panel 10, described torsion spring 11 and snap close 12 are set in described retaining mechanism installation shaft 5, an installation foot 28 of described torsion spring 11 is limited on described mounting panel 10, another installation foot is limited on described snap close 12, on snap close 12, establish a hole, then torsion spring pin is inserted in hole; Described snap close 12 comprises locking arm 18 and the trip arm 17, and 17 one-tenth angle settings of described locking arm 18 and the trip arm, establish hole at middle part, and snap close 13 is located in retaining mechanism installation shaft 5 with this borehole jack.Snap close can rotate around retaining mechanism installation shaft 5, but can not freely rotate because of the position-limiting action of torsion spring 11.Connecting portion 19 hook joints of described locking arm 18 and described push rod 15.
Described shunt opening coil be fixed on two described between mounting panel 10, and be positioned at the below of push rod.The trip arm 17 of the corresponding described retaining mechanism of iron core that the effect of the electromotive force that the coil windings due to shunt opening coil of described shunt opening coil produces under "on" position moves back and forth arranges.
Described mounting panel is provided with the push rod installing hole 29 of four levels, corresponding described four the push rod installing holes 29 of described push rod 15 are provided with four push rod slide blocks 30, described push rod 15 forms in the push rod installing hole 29 of described mounting panel 10 setting of sliding with push rod slide block 30 sliding supports, and described push rod 15 is in transmission connection with push rod slide block 30 and the restoring link push rod linkage portion 27 of described restoring link 4.
The corresponding described the trip arm 17 of described push rod 15 is provided with the trip arm stopper slot 31.Like this at the trip arm when retaining mechanism installation shaft 5 is rotated, the trip arm 17 is because of in the interior movement of the trip arm stopper slot 31, and the relative position of assurance snap close and push rod.
Described mounting panel 10 is provided with vertical reset button installing hole 32, and described reset button 1 is slided and is limited in described vertical reset button installing hole 32.
Described shunt opening coil comprises yoke 20, moving iron core 22, static iron core 24, moving iron core return-spring 23 and coil windings 21; The central part of described coil windings 21 is provided with through hole vertically, and described static iron core 24 is located at one end of described through hole, and is fixedly installed with respect to described coil windings 21, and described moving iron core 22 is located at the other end of described through hole; The central part of described static iron core 23 is provided with moving iron core vertically through hole, and described moving iron core return-spring 23 is set on described moving iron core 22; Described moving iron core return-spring 23 is between described moving iron core 22 and static iron core 24, and the moving iron core of the corresponding described static iron core 24 in one end of described moving iron core 22 arranges through hole; Described coil windings 21 is fastened in described yoke 20, and the trip arm 17 of described moving iron core 22 corresponding described retaining mechanisms arranges.The mechanism of shunt opening coil also can adopt prior art.
Also comprise a connecting rod 9, these connecting rod 9 rotational support are in the outside of described mounting panel 10, and the upper end of connecting rod 9 is against the push rod slide block 30 that is positioned at below, and connecting rod 9 is pressed in the outside of described mounting panel 10 by fixture 8.
When shunted exciter tripping mechanism does not thread off, the locking arm 18 of snap close 12 and connecting portion 19 hook joints of push rod 15, the connecting portion 19 of push rod 15 tightly hooks on locking arm 18 under the pressuring action of back-moving spring 14, and this has just guaranteed the self-locking of whole mechanism.
When 2 work of shunt opening coil, the trip arm 17 that its moving iron core 23 pushes snap close 12 makes it around retaining mechanism installation shaft 5, rotate (in the spacing lower rotation of the trip arm stopper slot 31), the locking arm 18 of snap close 12 staggers mutually with the connecting portion 19 of push rod 15, and push rod 15 threads off to front slide (to moving with the rightabout of back-moving spring fixed head 13) protective device coordinating with it with push rod 16 under the extensional process of back-moving spring 14 between mounting panel 10; Meanwhile reset button 1 moves upward under the interlock of restoring link 4, and connecting rod 9 is also rotating under Action of Gravity Field.
Reset: while pressing reset button 1 downwards, reset button 1 drives push rod 15 motion (direction to back-moving spring fixed head 13 moves) backward between mounting panel 10 by restoring link 4, snap close 12 is under the reseting torque of back-moving spring 11, locking arm 18 can be locked again certainly with the connecting portion 19 of push rod 15, makes its reset.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (6)
1. a shunted exciter tripping mechanism for circuit breaker, is characterized in that: comprise mounting structure, resetting device, transmission mechanism and shunt opening coil;
Described mounting structure comprises pair of parallel and spaced mounting panel;
Described resetting device comprises reset button, restoring link, this restoring link comprises restoring link fixed part, reset button restoring link linkage portion and restoring link push rod linkage portion, described restoring link is by restoring link fixed part rotational support in the outside of described mounting panel, and described restoring link is hinged with reset button restoring link linkage portion and described reset button;
Described transmission mechanism comprises push rod, back-moving spring, back-moving spring fixed head and retaining mechanism, and wherein, described back-moving spring is Compress Spring; Described push rod horizontal slip be arranged at two described between mounting panel, the restoring link push rod linkage portion of described push rod and described restoring link is in transmission connection; Described back-moving spring fixed head be fixed on two described between mounting panel, described back-moving spring is located between described push rod and back-moving spring fixed head, described push rod is provided with connecting portion towards a side of back-moving spring, and opposite side is provided with the push rod that acts on described breaker tripping mechanism; Described retaining mechanism is located at described push rod towards a side of back-moving spring, and described retaining mechanism comprises snap close, torsion spring, retaining mechanism installation shaft; Described retaining mechanism installation shaft be located at two described between mounting panel, described torsion spring and snap close are set in described retaining mechanism installation shaft, an installation foot of described torsion spring is limited on described mounting panel, another installation foot is limited on described snap close; Described snap close comprises locking arm and the trip arm, and described locking arm becomes angle setting with the trip arm, the connecting portion hook joint of described locking arm and described push rod;
Described shunt opening coil be fixed on two described between mounting panel, the trip arm setting of the corresponding described retaining mechanism of iron core that the effect of the electromotive force that the coil windings due to shunt opening coil of described shunt opening coil produces under "on" position moves back and forth.
2. the shunted exciter tripping mechanism of circuit breaker according to claim 1, it is characterized in that: described mounting panel is provided with the push rod installing hole of a plurality of levels, the corresponding described push rod installing hole of described push rod is provided with a plurality of push rod slide blocks, described push rod forms in the push rod installing hole of described mounting panel the setting of sliding with push rod slide block sliding support, and described push rod is in transmission connection with the restoring link push rod linkage portion of push rod slide block and described restoring link.
3. the shunted exciter tripping mechanism of circuit breaker according to claim 1, is characterized in that: the corresponding described the trip arm of described push rod is provided with the trip arm stopper slot.
4. the shunted exciter tripping mechanism of circuit breaker according to claim 1, is characterized in that: described mounting panel is provided with vertical reset button installing hole, and described reset button is slided and is limited in described vertical reset button installing hole.
5. the shunted exciter tripping mechanism of circuit breaker according to claim 1, is characterized in that: described shunt opening coil comprises yoke, moving iron core, static iron core, moving iron core return-spring and coil windings; The central part of described coil windings is provided with through hole vertically, and described static iron core is located at one end of described through hole, and is fixedly installed with respect to described coil windings, and described moving iron core is located at the other end of described through hole; The central part of described static iron core is provided with moving iron core vertically through hole, and described moving iron core return-spring is set on described moving iron core; Described moving iron core return-spring is between described moving iron core and static iron core, and the moving iron core of the corresponding described static iron core in one end of described moving iron core arranges through hole; Described coil windings is fastened in described yoke, the trip arm setting of the corresponding described retaining mechanism of described moving iron core.
6. the shunted exciter tripping mechanism of circuit breaker according to claim 2, is characterized in that: also comprise a connecting rod, this connecting rod rotational support is in the outside of described mounting panel, and the upper end of connecting rod is against the push rod slide block that is positioned at below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184357.5U CN203826311U (en) | 2014-04-16 | 2014-04-16 | Shunt tripping mechanism of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420184357.5U CN203826311U (en) | 2014-04-16 | 2014-04-16 | Shunt tripping mechanism of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826311U true CN203826311U (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420184357.5U Expired - Lifetime CN203826311U (en) | 2014-04-16 | 2014-04-16 | Shunt tripping mechanism of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903922A (en) * | 2014-04-16 | 2014-07-02 | 云南追梦科技有限公司 | Shunt trip mechanism of disconnector |
| CN110155722A (en) * | 2019-06-17 | 2019-08-23 | 深圳市赛弥康电子科技有限公司 | A kind of buckle docking facilities |
-
2014
- 2014-04-16 CN CN201420184357.5U patent/CN203826311U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903922A (en) * | 2014-04-16 | 2014-07-02 | 云南追梦科技有限公司 | Shunt trip mechanism of disconnector |
| CN103903922B (en) * | 2014-04-16 | 2016-02-10 | 云南追梦科技有限公司 | A kind of shunted exciter tripping mechanism of circuit breaker |
| CN110155722A (en) * | 2019-06-17 | 2019-08-23 | 深圳市赛弥康电子科技有限公司 | A kind of buckle docking facilities |
| CN110155722B (en) * | 2019-06-17 | 2024-03-22 | 深圳市赛弥康电子科技有限公司 | Buckle butt joint device |
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| C14 | Grant of patent or utility model | ||
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