CN103500690A - Energy storage device of circuit breaker - Google Patents
Energy storage device of circuit breaker Download PDFInfo
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- CN103500690A CN103500690A CN201310454429.3A CN201310454429A CN103500690A CN 103500690 A CN103500690 A CN 103500690A CN 201310454429 A CN201310454429 A CN 201310454429A CN 103500690 A CN103500690 A CN 103500690A
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- circuit breaker
- lever
- energy storage
- tripping
- locating shaft
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Abstract
The invention discloses an energy storage device of a circuit breaker, and relates to the technical field of the circuit breaker. The device is arranged in a circuit breaker casing, and comprises an active piece, a limiting piece, a linkage piece and a tripping mechanism, wherein one end of the active piece is concentrically hinged to a circular hole of the active piece, the other end of the active piece is concentrically hinged to a jumping buckle through hole of the tripping mechanism, a slope of a clamping groove on the limiting piece is in relative horizontal contact with a concave plane of a contact support of the tripping mechanism, a gap is formed between the slope and the concave plane, a cylindrical boss on the limiting piece is tangent to a circular notch on a positioning shaft, the tripping mechanism mainly consists of the contact support, a lever, a jumping buckle and a locking buckle, the contact support and the lever do axial and rotary movement through a mechanism shaft, the jumping buckle and the locking buckle respectively do axial and rotary movement through two positioning shafts on the lever, the shape of an upper cover plate corresponds to the shape of the lever, and the upper cover plate is respectively sheathed with the mechanism shaft and the positioning shafts on the lever through three-hole positioning. The device has the advantages that the structure is simple, the energy storage capacity is high, the contact position is accurately limited, and the like, the service life of the circuit breaker is obviously prolonged, and the short-circuiting breaking capability is improved.
Description
Technical field
The present invention relates to breaker technical field, particularly the energy storage device of circuit breaker.
Background technology
Miniature circuit breaker has overload and short-circuit protection function at present, and overload is by the anti-time limit characteristic curve, when having overcurrent to pass through; the heater element heated bending, overcurrent is larger, and heater element speed is faster; flexibility is also larger, drives the tripping mechanism engaging member and breaks away from, breaker open operation.During short-circuit protection, overcurrent is very large moment, and circuit breaker internal electromagnetic system is by electromagnetic induction, and the magnetictrip action drives tripping mechanism and discharges, and circuit breaker divides deenergizing.
Above circuit breaker closing closing operation roughly is divided into two classes: about dependent manual operation and irrelevant dependent manual operation.Relevant dependent manual operation is fully by directly applying the operation of manpower, thereby the action of depending on the operator of the speed of operation and power; Irrelevant dependent manual operation be energy source in manpower, and the energy storage operation that stores in one-time continuous operation and discharge, thereby the action of the speed of operation and power and operation has nothing to do.Existing circuit breaker major part is the mode of operation of relevant dependent manual operation, and during this type of breaker closing, pressure is less, easily produces electric arc, very large on circuit breaker impact in useful life, has potential safety hazard simultaneously.Another part circuit breaker is the operable mechanism of band storage, but these mechanisms utilize part when rotation and mechanism's part interference campaign realization a bit, this motion dynamics that crosses one another is very large, and with opening between the continuous mobile contact of mechanism apart from constantly reducing, easily cause punch-through, during combined floodgate, contact pressure also reduces, and does not reach the energy storage effect.Some mechanism is more complicated in order to realize energy storage effect structural design, when utilization furthers mechanism gradually at driving link, block mechanism's part motion at preset halt with retainer, pull open retainer when driving link moves to point of release, make rapidly contact or use pull bar to do after the action of pulling out the release conversion of carrying out power before the mechanism action point of release of contact, this structure is passed from the mechanism bottom, easily affect mechanism's flexibility, or affected self flexibility by mechanism, and being unfavorable for producing, reliability is not high yet.
Summary of the invention
The purpose of this invention is to provide a kind of circuit breaker energy storage device, to solve self flexibility deficiency of above-mentioned energy storage mechanism, be unfavorable for producing, reliability is not high technical problem also.
For solving the problems of the technologies described above, the technical scheme that the present invention takes is: a kind of circuit breaker energy storage device, be arranged in Shell of circuit breaker, it comprises driving link, limited part, moving part and the tripping mechanism rotated, driving link is connected with tripping mechanism by moving part, tripping mechanism is connected with limited part, it is characterized in that: an end of described moving part is concentric hinged with the circular hole of driving link, the through hole of the tripping in the other end and tripping mechanism is concentric hinged, described limited part contacts and leaves gap by the draw-in groove inclined-plane with the concave plane relative level of contact support in tripping mechanism.
Described limited part is T-shaped, and its drive end is provided with the column type boss, and the other end is plane and establishes a curved guiding surface, middlely plays a bar shaped platform on bar, and bar shaped platform end is provided with the draw-in groove inclined-plane.
Described driving link is connected with pedestal by the locating shaft position rotating, and described locating shaft is provided with the fillet breach, and its degree of depth is 0.5-1.0mm.
Described limited part is tangent by column type boss and the fillet breach on locating shaft on it.
Described tripping mechanism mainly is comprised of contact support, lever, tripping and snap close, described contact support is connected to do the axial-rotation motion with lever by mechanism's locating shaft, tripping is connected to do the axial-rotation motion with the first locating shaft on lever by through hole, snap close is connected to do the axial-rotation motion with the second locating shaft on lever by through hole, and snap close is provided with and resets by reaction spring; Be provided with touch spring above lever and contact support, the top of touch spring is provided with the fixed mechanism cover plate, and the shape of described cover plate is corresponding with lever, by three holes location respectively with the first locating shaft and the second locating shaft fit of mechanism locating shaft, lever.
Touch spring is installed facing up in described contact support, an end is curved, is provided with concave plane on arcwall face, and on it, with the slip notch, the other end is provided with the fork groove of fixing bonding part.
Described limited part is made orbiting motion by the draw-in groove inclined-plane along an end cambered surface of contact support, and by the bar shaped boss on the housing pedestal and the spacing movement of arc boss, driving link promotes tripping by the moving part application of force and rotates, when rotating while contacting with the snap close occlusal surface to tripping, drive tripping mechanism around mechanism's locating shaft rotation.
In described contact support, fixed contact is set, establishes a contact on described fixed contact.
Compared with prior art, beneficial effect of the present invention is: energy storage device structural design advantages of simple of the present invention, owing to having utilized limited part to limit the movement that contact is supported, mechanism still can move freely, just touch spring is stressed, when arriving point of release, limitation function is removed contact moment and is contacted fast, this device does not produce large frictional force, reduced well the circuit breaker switching force, and the accurate spacing synchronism of energy is high, guarantee limiting distance between contact, guaranteed that the contact initial pressure of contact is greater than end pressure.
The accompanying drawing explanation
Fig. 1 is that energy storage device of the present invention is arranged on status architecture schematic diagram in Shell of circuit breaker;
Fig. 2 is energy storage device of the present invention initial configuration schematic diagram in open position in circuit breaker;
Fig. 3 is energy storage device of the present invention structural representation when the making process energy storage starts in circuit breaker;
Fig. 4 is the structural representation that energy storage device of the present invention finishes in the making process energy storage in circuit breaker;
Fig. 5 is energy storage device of the present invention structural representation in the trip free state in circuit breaker;
The limitation piece structure schematic diagram that Fig. 6 is energy storage device of the present invention;
The structural representation that the contact that Fig. 7 is energy storage device of the present invention is supported;
In the drawings,
1, driving link 2, moving part 3, limited part 4, contact support
5, tripping 6, snap close 7, cover plate 8, restriction contact
9, lever 10, fixed contact 11, contact 12, reaction spring
13, touch spring 14, mechanism's locating shaft 15, pull bar 16, tripping mechanism
17, locating shaft 18, bar shaped boss 19, arc boss 20, pedestal.
110, circular hole
310, column type boss 320, draw-in groove inclined-plane 330, curved guiding surface
410, concave plane
510, through hole
910, the first locating shaft 920, the second locating shaft
1710, circumferential notch
Embodiment
In conjunction with Fig. 1-Fig. 2, for a kind of circuit breaker energy storage device example structure schematic diagram, it is arranged in Shell of circuit breaker, comprise driving link 1, limited part 3, moving part 2 and the tripping mechanism 16 rotated, driving link 1 is connected with tripping mechanism 16 by moving part 2, tripping mechanism 16 is connected with limited part 3, one end of described moving part 2 is concentric hinged with the circular hole 110 of driving link 1, also comprise spring 120, the through hole 510 of the tripping 5 in the other end and tripping mechanism 16 is concentric hinged, described limited part 3 contacts and leaves appropriate gap by draw-in groove inclined-plane 320 with concave plane 410 relative levels of contact support 4 in tripping mechanism 16, described limited part 3 is T-shaped, and its drive end is provided with column type boss 310, and the other end is plane and establishes a curved guiding surface 330, middlely plays a bar shaped platform on bar, and bar shaped platform end is provided with draw-in groove inclined-plane 320, described driving link 1 is connected with pedestal by locating shaft 17 position rotating, and described locating shaft 17 is provided with fillet breach 1710, and its degree of depth is 0.5-1.0mm, described limited part 3 is tangent with the fillet breach 1710 on locating shaft 17 by the column type boss 310 on it, described tripping mechanism 16 mainly supports 4 by contact, lever 9, tripping 5 and snap close 6 form, described contact support 4 is connected to do the axial-rotation motion with lever 9 by mechanism's locating shaft 14, tripping 5 is connected to do the axial-rotation motion with the first locating shaft 910 on lever 9 by through hole 520, snap close 6 is connected to do the axial-rotation motion with the second locating shaft 920 on lever 9 by through hole 610, described snap close 6 resets and establishes a reaction spring 12, in the whole motion process of mechanism all to snap close 6 application of forces, be provided with the pull bar 15 that can rotate in the hole of snap close 6, make tripping 5 and snap close 6 reliable closed, strengthen the stability of mechanism kinematic, be provided with touch spring 13 above lever 9 and contact support 4, the top of touch spring 13 is provided with fixed mechanism cover plate 7, the shape of described cover plate 7 is corresponding with lever 9, by three holes location respectively with the first locating shaft 910 and second locating shaft 920 fits of mechanism locating shaft 14, lever 9, described contact is supported touch spring 13 to be installed facing up on 4, and an end is curved, is provided with concave plane 410 on arcwall face, and on it, with the slip notch, the other end is provided with the fork groove of fixing bonding part, limited part 3 is to rely on its draw-in groove inclined-plane 320 to support 4 one end cambered surface orbiting motions along contact, and by bar shaped boss 18 on housing pedestal 20 and the spacing movement of arc boss 19, described driving link 1 promotes tripping 5 by moving part 2 application of forces and rotates, when rotating while contacting with snap close 6 occlusal surfaces to tripping 5, drive tripping mechanism 16 around mechanism shaft 14 rotations, in described contact support 4, fixed contact 10 is set, establishes a contact 11 on described fixed contact 10.
As shown in Figure 3, when tripping mechanism 16 moves to contact and supports that on 4, concave plane 410 contacts with the draw-in groove inclined-plane 320 of limited part 3, contact is supported the active force stop motion of 4 limited products 3, realize distance between energy storage and restriction contact 8 and contact 10 upper contacts 11, when driving link 1 continues to move, tripping mechanism 16 remaining parts move.
As shown in Figure 4, continue mobile driving link 1, the energy storage energy increases, while moving to point of release, driving link 1 contacts with the column type boss 310 on limited part 3, drive limited part 3 and move, make its draw-in groove inclined-plane 320 and contact support 4 concave plane 410 interlocks to break away from, mechanism's moment rapid closing.
As shown in Figure 5, after driving link 1 closed procedure starts, if, when tripping mechanism 16 automatic disconnections operate, even driving link 1 remains closed order, its moving contact can return to and remain on open position.
Although the present invention describes according to above-mentioned embodiment, invention thought of the present invention is not limited in this invention, and the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (8)
1. a circuit breaker energy storage device, be arranged in Shell of circuit breaker, it comprises driving link (1), limited part (3), moving part (2) and the tripping mechanism (16) rotated, driving link (1) is connected with tripping mechanism (16) by moving part (2), tripping mechanism (16) is connected with limited part (3), it is characterized in that: an end of described moving part (2) is concentric hinged with the circular hole (110) of driving link (1), the through hole (510) of the tripping (5) in the other end and tripping mechanism (16) is concentric hinged, described limited part (3) contacts and leaves gap by draw-in groove inclined-plane (320) with concave plane (410) relative level of contact support (4) in tripping mechanism (16).
2. circuit breaker energy storage device according to claim 1, it is characterized in that: described limited part (3) is T-shaped, its drive end is provided with column type boss (310), the other end is plane and establishes a curved guiding surface (330), a bar shaped platform is played in centre on bar, and bar shaped platform end is provided with draw-in groove inclined-plane (320).
3. circuit breaker energy storage device according to claim 1, it is characterized in that: described driving link (1) is connected with pedestal (20) by locating shaft (17) position rotating, described locating shaft (17) is provided with fillet breach (1710), and its degree of depth is 0.5-1.0mm.
4. according to the described circuit breaker energy storage device of claim 2 or 3, it is characterized in that: described limited part (3) is tangent with the fillet breach (1710) on locating shaft (17) by the column type boss (310) on it.
5. according to claim 1 or 2 or 3 described circuit breaker energy storage devices, it is characterized in that: described tripping mechanism (16) is mainly by contact support (4), lever (9), tripping (5) and snap close (6) form, described contact support (4) is connected to do the axial-rotation motion with lever (9) by mechanism's locating shaft (14), tripping (5) is connected to do the axial-rotation motion with the first locating shaft (910) on lever (9) by through hole (520), snap close (6) is connected to do the axial-rotation motion with the second locating shaft (920) on lever (9) by through hole (610), snap close (6) is provided with and passes through reaction spring (12) and resets, be provided with touch spring (13) in lever (9) and the top of contact support (4), the top of touch spring (13) is provided with fixed mechanism cover plate (7), the shape of described cover plate (7) is corresponding with lever (9), by three holes location respectively with the first locating shaft (910) and the second locating shaft (920) fit of mechanism's locating shaft (14), lever (9).
6. circuit breaker energy storage device according to claim 5, it is characterized in that: described contact support (4) is upper installs touch spring (13) facing up, one end is curved, be provided with concave plane (410) on arcwall face, on it, with the slip notch, the other end is provided with the fork groove of fixing bonding part.
7. circuit breaker energy storage device according to claim 5, it is characterized in that: described limited part (3) is made orbiting motion by draw-in groove inclined-plane (320) along an end cambered surface of contact support (4), and by the bar shaped boss (18) on housing pedestal (20) and the spacing movement of arc boss (19), driving link (1) promotes tripping (5) by moving part (2) application of force and rotates, when rotating while contacting with snap close (6) occlusal surface to tripping (5), drive tripping mechanism (16) and rotate around mechanism's locating shaft (14).
8. circuit breaker energy storage device according to claim 5, is characterized in that: fixed contact (10) is set in described contact support (4), establishes a contact (11) on described fixed contact (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454429.3A CN103500690B (en) | 2013-09-30 | 2013-09-30 | A kind of energy storage device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310454429.3A CN103500690B (en) | 2013-09-30 | 2013-09-30 | A kind of energy storage device of circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN103500690A true CN103500690A (en) | 2014-01-08 |
| CN103500690B CN103500690B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310454429.3A Active CN103500690B (en) | 2013-09-30 | 2013-09-30 | A kind of energy storage device of circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695117A (en) * | 2018-06-28 | 2018-10-23 | 美高电气科技有限公司 | A kind of operating mechanism of double-contact miniature circuit breaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05266780A (en) * | 1991-12-23 | 1993-10-15 | Philips Gloeilampenfab:Nv | Circuit breaker |
| CN201149841Y (en) * | 2007-12-10 | 2008-11-12 | 陈巨垄 | Creepage breaker |
| CN202651033U (en) * | 2012-06-28 | 2013-01-02 | 浙江加西亚电子电器有限公司 | Small circuit breaker |
| CN202695347U (en) * | 2011-10-26 | 2013-01-23 | 乐星产电(无锡)有限公司 | Miniature circuit breaker |
| CN103050342A (en) * | 2012-12-20 | 2013-04-17 | 李敏 | Circuit breaker operation mechanism and circuit breaker |
| CN203456397U (en) * | 2013-09-30 | 2014-02-26 | 长城电器集团有限公司 | Energy storage device for breaker |
-
2013
- 2013-09-30 CN CN201310454429.3A patent/CN103500690B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05266780A (en) * | 1991-12-23 | 1993-10-15 | Philips Gloeilampenfab:Nv | Circuit breaker |
| CN201149841Y (en) * | 2007-12-10 | 2008-11-12 | 陈巨垄 | Creepage breaker |
| CN202695347U (en) * | 2011-10-26 | 2013-01-23 | 乐星产电(无锡)有限公司 | Miniature circuit breaker |
| CN202651033U (en) * | 2012-06-28 | 2013-01-02 | 浙江加西亚电子电器有限公司 | Small circuit breaker |
| CN103050342A (en) * | 2012-12-20 | 2013-04-17 | 李敏 | Circuit breaker operation mechanism and circuit breaker |
| CN203456397U (en) * | 2013-09-30 | 2014-02-26 | 长城电器集团有限公司 | Energy storage device for breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695117A (en) * | 2018-06-28 | 2018-10-23 | 美高电气科技有限公司 | A kind of operating mechanism of double-contact miniature circuit breaker |
| CN108695117B (en) * | 2018-06-28 | 2023-09-12 | 美高电气科技有限公司 | Operating mechanism of double-contact miniature circuit breaker |
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| Publication number | Publication date |
|---|---|
| CN103500690B (en) | 2015-12-16 |
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Effective date of registration: 20170822 Address after: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road (South) Patentee after: Zhejiang Kai FA Electric Co., Ltd. Address before: 2-1 No. 325000 Zhejiang North white elephant Yueqing White Town Road Patentee before: CNC Electric Group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee after: Great Wall Electrical Appliance Group Zhejiang Technology Co., Ltd. Address before: 325000 No. 2-1 Baixiang Avenue, Beibeixiang Town, Yueqing City, Zhejiang Province (South Building) Patentee before: Zhejiang Kai FA Electric Co., Ltd. |