CN103887124B - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
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- CN103887124B CN103887124B CN201410089732.2A CN201410089732A CN103887124B CN 103887124 B CN103887124 B CN 103887124B CN 201410089732 A CN201410089732 A CN 201410089732A CN 103887124 B CN103887124 B CN 103887124B
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- moving contact
- circuit breaker
- out terminal
- miniature circuit
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Abstract
The invention discloses a kind of miniature circuit breaker comprise first move, fixed contact, second moves, fixed contact, tripping mechanism etc., housing forms applicable driver and stretch into the driver hole of carrying out wiring, terminal cap is at least provided with one, be arranged between the first lead-out terminal driver hole corresponding with it and between the second lead-out terminal with its corresponding driver hole, first moves, fixed contact and second moves, when fixed contact is connected, to the first lead-out terminal, driver hole corresponding to second lead-out terminal is blocked, locked component is arranged between tripping mechanism and the second moving contact, under the effect of external force, locked component successively triggers tripping mechanism and the second moving contact, first is made to move, fixed contact and second moves, fixed contact disconnects in succession, make terminal cap remove blocking driver hole under the driving of locked component simultaneously.Miniature circuit breaker of the present invention can ensure wiring personnel safe wiring when disconnecting completely in circuit breaker, and wiring personnel can be prevented well because of carelessness hot line job.
Description
Technical field
The invention belongs to technical field of electricity, particularly a kind of miniature circuit breaker.
Background technology
Miniature circuit breaker is most popular a kind of terminal protection electrical equipment during architectural electricity terminal power distribution draws.For the protection such as short circuit, overload, overvoltage of single-phase, the three-phase of below 125A, comprise one pole 1P, two pole 2P, three pole 3P, four pole 4P etc. four kinds.
Miniature circuit breaker is made up of operating mechanism, contact, protective device (various release), arc quenching system etc.Its main contacts is by manual operation or electric switch-on.After main contacts is closed, main contacts is locked on closing position by free tripping mechanism.The coil of overcurrent trip and the thermal element of thermal overload release are connected with main circuit, the coil of under-voltage release and power sources in parallel.When circuit be short-circuited or heavy overload time, the armature adhesive of overcurrent trip, makes free tripping mechanism action, main contacts disconnect main circuit.When circuit overloads, the thermal element heating of thermal overload release makes on bimetal leaf bending, promotes free tripping mechanism action.When circuit under voltage, the armature release of under-voltage release.Also free tripping mechanism action is made.Chinese patent literature CN102820182A discloses a kind of large-current miniature circuit breaker, comprise housing, operating mechanism is provided with in housing, plastic latch buckle frame, tripping mechanism, moving contact, fixed contact, arc control device and bimetal leaf, both sides in housing are also respectively arranged with binding post, described plastic latch buckle frame is hinged to be arranged in housing, described plastic latch buckle frame comprises the latch part matched with operating mechanism and the instantaneous trip portion matched with tripping mechanism, described tripping mechanism comprises electromagnetic induction element and armature, described electromagnetic induction element matches with bimetal leaf and arranges, the instantaneous trip portion matching with electromagnetic induction element that described armature is fixedly installed on described plastic latch buckle frame is arranged.
Technical scheme in above-mentioned patent documentation, has the effect that structure is simple, cost is lower and greatly improve breaking capacity and rated current.But in the circuit breaker of this patent documentation, the driver hole communicated with lead-out terminal is unlimited always, when being easy to occur wiring personnel contact do not disconnect in circuit breaker, driver is stretched into the misoperation in driver hole, lead-out terminal being carried out to wiring, thus cause wiring personnel electric shock accidents.
Summary of the invention
For this reason, technical problem to be solved by this invention is that circuit breaker of the prior art is exposed untight state for the driver hole of fixing lead-out terminal and wire, when being easy to occur wiring personnel contact do not disconnect completely in circuit breaker, driver is stretched into the misoperation in driver hole, lead-out terminal being carried out to wiring, thus cause wiring personnel electric shock accidents.Thus the miniature circuit breaker providing a kind of wiring safe and reliable.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
A kind of miniature circuit breaker, comprise housing, be positioned at the arc-control device of described housing, first fixed contact, be provided with the tripping mechanism of the first moving contact, second fixed contact, second moving contact, and control the controlling organization of described tripping mechanism action, wherein said first moving contact is electrically connected with first input end, described first fixed contact is electrically connected with the first lead-out terminal, described second moving contact is electrically connected with the second input terminal, described second fixed contact is electrically connected with described second lead-out terminal, described housing forming applicable driver stretches into described first lead-out terminal, second lead-out terminal carries out the driver hole of wiring, also comprise terminal cap, described terminal cap is at least provided with one, be arranged between the described first lead-out terminal driver hole corresponding with it and between described second lead-out terminal with its corresponding driver hole, first moves, fixed contact and second moves, when fixed contact is connected, to described first lead-out terminal, described driver hole corresponding to second lead-out terminal is blocked, also comprise locked component, be arranged between described tripping mechanism and described second moving contact, under the effect of external force, described locked component successively triggers described tripping mechanism and described second moving contact, described first is made to move, fixed contact and described second moves, fixed contact disconnects in succession, make terminal cap remove blocking described driver hole under the driving of described locked component simultaneously.
In above-mentioned miniature circuit breaker, described locked component comprises hook knob and the locking pull bar of hinge, wherein said hook knob can rotate along described housing and stretches out or retract under the effect of external force, described terminal cap forms joint portion, described hook knob forms the drive division coordinated with described joint portion, described drive division, under the driving of described hook knob, drives described terminal cap to reciprocate blocking between position and unshielding position.
Described locking pull bar comprises the first trigger unit triggering the dropout of described tripping mechanism and the second trigger unit triggering described second moving contact disconnection, and described locking pull bar with described hook knob toward trigger direction motion time, described first trigger unit to the triggering of described tripping mechanism prior to the triggering of described second trigger unit to described second moving contact.
In above-mentioned miniature circuit breaker, described housing forms thread groove, described hook knob is provided with the first projection coordinated with described thread groove, and under the External Force Acting rotated, described hook knob is stretched out by the slip rotation of the first projection along described thread groove or retracted.
In above-mentioned miniature circuit breaker, the seesaw driving described tripping mechanism to thread off also is provided with between described first trigger unit and described tripping mechanism, described first trigger architecture is be molded over the breach on described locking pull bar, one end of described seesaw acts on described tripping mechanism, and the other end stretches in described breach.
In above-mentioned miniature circuit breaker, described moving contact is provided with one second moving contact projection, described second trigger unit is the triggering projection of the lower end being molded over described locking pull bar, described triggering projection is by described second moving contact projection of conflicting, described second moving contact is made to overcome the elastic force of the second moving contact spring, move towards the direction away from described second fixed contact, thus described second moving contact and described second fixed contact are disconnected.
In above-mentioned miniature circuit breaker, described triggering projection is reverse V-shaped.
Described first lead-out terminal, described second lead-out terminal are disposed in parallel in described housing, described terminal cap is provided with one, described terminal cap forms the through hole consistent with described driver number of perforations, described through hole in described terminal cap and described driver hole are aligned to unshielding position, stagger for blocking position in the described through hole in described terminal cap and described driver hole.
Described joint portion is be molded over the groove in described terminal cap, and described driving part is molded over the one handle in described hook knob, and described handle stretches in described groove, drives described terminal cap to reciprocate by the cell wall promoting described groove.
In above-mentioned miniature circuit breaker; described control structure comprises the manual knob mechanism controlling described first dynamic and static contact connection, the circuit protection actuating mechanism driving described tripping mechanism to thread off, and drives the board part of described circuit protection actuating mechanism action.
In above-mentioned miniature circuit breaker, described board part comprises main line and the auxiliary wiring board vertical with described main line, the electric connection line of described first fixed contact and described first lead-out terminal is around on described auxiliary wiring board, and the periphery of described electric connection line and described auxiliary wiring board is surrounded by magnetic screen lid.
In above-mentioned miniature circuit breaker, described wiring board is at least provided with a communication interface.
In above-mentioned miniature circuit breaker, the upper surface of described hook knob is provided with applicable described driver and inserts the notch turned.
In above-mentioned miniature circuit breaker, on one end that described hook knob stretches out housing, radial direction forms through hole, and described through hole is provided with padlock.
In above-mentioned miniature circuit breaker, described first lead-out terminal, described second lead-out terminal plug are arranged on terminal fixed mount, and be arranged with magnet ring, the output of described magnet ring connects and outputs to described wiring board.
Technique scheme of the present invention has the following advantages compared to existing technology:
(1) correspondence position of miniature circuit breaker middle shell of the present invention and lead-out terminal forms applicable driver and stretches into the driver hole of described lead-out terminal being carried out to wiring, also comprises:
Terminal cap, is arranged between described lead-out terminal and described driver hole, when first and second dynamic and static contact is connected, blocks driver hole.
Locked component, be arranged between tripping mechanism and the second moving contact, under the effect of external force, locked component successively triggers described tripping mechanism and the second moving contact, first moving contact and the first fixed contact, the second moving contact and the second fixed contact are disconnected in succession, meanwhile, terminal cap is made to remove blocking described driver hole under the driving of locked component.First dynamic/static contact of circuit breaker internal, the second dynamic/static contact can disconnect by circuit breaker of the present invention while driver hole is opened, and driver hole be blocked close after just by operation knob to connect circuit breaker, thus safe wiring when ensureing that wiring personnel disconnect completely in circuit breaker, wiring personnel can be prevented well because of carelessness hot line job.
(2) in miniature circuit breaker of the present invention; board part for drive circuit protection act mechanism action comprises main line and the auxiliary wiring board vertical with main line; the electric connection line of described first fixed contact and described first lead-out terminal is around on described auxiliary wiring board; may be used for detecting overload and over current fault; and the periphery of described electric connection line and described auxiliary wiring board is surrounded by magnetic screen lid, avoids the interference that external electromagnetic ripple detects wiring board.
(3) in miniature circuit breaker of the present invention; also communication interface is provided with on the board part of drive circuit protection act mechanism action; can be connected with other watch-dog; by the operating characteristics of the setting electric leakage leakage current of action, overload, overcurrent, the fault in circuit breaker is monitored, and shown by LCDs.
(4) in miniature circuit breaker of the present invention, lead-out terminal plug is arranged on terminal fixed mount and is arranged with magnet ring, and the output of described magnet ring connects and outputs to described wiring board, can realize detecting the leak current fault of LN pole.
(5) in miniature circuit breaker of the present invention, be also provided with indicator light, indicate the instruction of different colors and different flicker frequency according to the working condition of circuit breaker, facilitate circuit breaker to break down or the Search and Orientation of maintainer.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is structure chart of the present invention;
Fig. 2 is the structure chart that the present invention removes back casing;
Fig. 3 is exploded view of the present invention;
Fig. 4 is explosive decomposition figure of the present invention;
Fig. 5 is the exploded view of locked component in the present invention;
Fig. 6 is the schematic diagram that the present invention is provided with padlock;
Fig. 7 is the exploded view of lead-out terminal assembly of the present invention.
In figure, Reference numeral is expressed as: 1-housing, 2-manual knob mechanism, 21-knob, 22-knob back-moving spring, 23-connecting rod, 3-tripping mechanism, 301-snap frame, 302-back-moving spring, 4-locked component, 41-hook knob, 411-first projection, 412-notch, 413-through hole, 414-drive division, 42-locks pull bar, 401-seesaw, 421-first trigger unit, 422-second trigger unit, 5-padlock, 611-first input end, 612-second input terminal, 62-lead-out terminal assembly, 621-first lead-out terminal, 622-second lead-out terminal, 71-first moving contact, 72-first fixed contact, 73-second moving contact, 731-second moving contact projection, 732-second moving contact spring, 74-second fixed contact, 8-terminal cap, 81-joint portion, 801-driver hole, 9-arc-control device, 10-circuit protection actuating mechanism, 11-board part, 111-main circuit board, the auxiliary wiring board of 112-, 12-communication interface, 13-magnetic screen lid, 14-magnet ring, 15-terminal fixed mount, 16-indicator light, 17-electric connection line.
Embodiment
As shown in Figures 1 to 7, miniature circuit breaker in the present invention, comprise housing 1, be positioned at the arc-control device 9 of housing, first fixed contact 72, be provided with the tripping mechanism 3 of the first moving contact 71, second fixed contact 74, second moving contact 73, and control the controlling organization of tripping mechanism 3 action, wherein the first moving contact 71 is electrically connected with first input end 611, first fixed contact 72 is electrically connected with the first lead-out terminal 621, second moving contact 73 is electrically connected with the second input terminal 612, second fixed contact 74 is electrically connected with the second lead-out terminal 622, housing 1 forming applicable driver stretches into the first lead-out terminal 621, second lead-out terminal 622 carries out the driver hole 801 of wiring.Also comprise terminal cap 8 and locked component 4, wherein terminal cap 801 is at least provided with one, be arranged between the first lead-out terminal 621 driver hole 801 corresponding with it and between described second lead-out terminal 622 with its corresponding driver hole 801, when first dynamic and static contact and the second dynamic and static contact are connected, the driver hole 801 corresponding to described first lead-out terminal 621, second lead-out terminal 622 is blocked.Locked component 4 comprises hinged hook knob 41 and locking pull bar 42, wherein hook knob 41 can rotate along housing 1 and stretches out or retract under the effect of external force, terminal cap 8 forms joint portion 81, hook knob 41 forms the drive division 414 coordinated with joint portion 81, drive division 414 is under the driving of hook knob 41, and drive terminal lid 8 is blocking position and unshielding position reciprocates.In the present embodiment, described first lead-out terminal 621, described second lead-out terminal 622 are disposed in parallel in described housing 1, described terminal cap 8 is provided with one, driver hole 801 is provided with two, terminal cap 8 forms the through hole consistent with driver hole 801 number, two through holes in terminal cap 8 and two driver holes 801 are aligned to unshielding position, stagger for blocking position in two through holes in terminal cap 8 and two driver holes 801.First dynamic/static contact 71, second dynamic/static contact 72 of circuit breaker internal can disconnect by circuit breaker of the present invention while driver hole 801 is opened, and after driver hole 801 is blocked closedown, just connect the first dynamic/static contact 71 by operation knob 21, thus safe wiring when ensureing that wiring personnel disconnect completely in circuit breaker, can prevent wiring personnel from operating the first charged lead-out terminal 621, second lead-out terminal 622 because neglecting well.
In the present embodiment, introduce a kind of structure of preferred Lock Part specifically, the locking pull bar 42 of this Lock Part comprises the first trigger unit 421 triggering tripping mechanism 3 dropout and the second trigger unit 422 triggering the second moving contact 73, locking pull bar 42 is along with hook knob 41 is toward when triggering direction motion, and the triggering of the first trigger unit 421 pairs of tripping mechanisms 3 is prior to the triggering of the second trigger unit 422 to the second moving contact 73.On housing, 1 forms thread groove, and hook knob 41 is provided with the first projection 411 coordinated with thread groove, rotation External Force Acting under, hook knob 41 by the first projection 411 threadingly groove slip rotation stretch out or retract.In the present embodiment, the first projection 411 is preferably skewback.
Also be provided with between first trigger unit 421 and tripping mechanism 3 drive tripping mechanism 3 to thread off seesaw 401, first trigger unit 421 for being molded over the breach locking on pull bar 42, one end of seesaw 401 acts on tripping mechanism 3, and the other end stretches in described breach.
Second moving contact 73 is provided with one second moving contact projection 731, described second trigger unit 422 is for being molded over the triggering projection of the lower end of locking pull bar 42, described triggering projection is by conflict second moving contact projection 731, described second moving contact 73 is made to overcome the elastic force of the second moving contact spring 732, move towards the direction away from described second fixed contact 74, thus the second moving contact 73 and the second fixed contact 74 are disconnected.
In the present embodiment, it is reverse V-shaped for triggering projection.
Joint portion 81 is for being molded over terminal cap 3 upper groove, and drive division 414 is for being molded over the one handle in hook knob 41, and handle stretches in groove, is reciprocated by the cell wall drive terminal lid 8 promoting groove.
Controlling organization comprises the manual knob mechanism 2 that the dynamic and static contact of control first is connected, the circuit protection actuating mechanism 10 driving tripping mechanism 3 to thread off, and the board part 11 of drive circuit protection act mechanism 10 action.
In the present embodiment, board part 11 comprises main circuit board 111 and auxiliary wiring board 112 vertically disposed with main circuit board 111, the electric connection line of described first fixed contact 72 and described first lead-out terminal 621 is around on described auxiliary wiring board 112, and the periphery of described electric connection line 17 and auxiliary wiring board 112 is surrounded by magnetic screen lid 13, the board part of this kind of structure may be used for detecting overload and over current fault.
Board part 11 is at least provided with a communication interface 12, this communication interface 12 can be connected with other watch-dog, by the operating characteristics of the setting electric leakage leakage current of action, overload, overcurrent, the fault in circuit breaker is monitored, and shown by LCDs, indicator light 16 indicates different colors and different flicker frequency according to circuit breaker failure situation simultaneously, be convenient to the quick position of the later reset circuit breaker of circuit reparation, in the present embodiment, communication interface 12 is provided with two.
The upper surface of hook knob 41 is provided with applicable driver and inserts the notch 412 turned, and this driver can be screwdriver etc., and this notch can be " one " font notch or " ten " font notch.
In order to ensure wiring process safety, on one end that hook knob 41 stretches out housing 1, radial direction forms through hole 413, this through hole 413 is provided with padlock 5, locked by the hook knob 41 of padlock 5 pairs of off-states, can prevent hook knob 41 under the effect of external force, return in housing 1, and circuit breaker internal is connected.
In order to realize detecting the leak current fault of LN pole, the first lead-out terminal 621, second lead-out terminal 622 plug is arranged on terminal fixed mount and is arranged with magnet ring 14, and the output of described magnet ring 14 connects and outputs to described wiring board 11.
The course of work of miniature circuit breaker wiring of the present invention, when needs wiring, operator needs first to insert in notch by instruments such as screwdrivers, twist-lock knob 41, the first projection 411 i.e. skewback in hook knob 41 rotates along the thread groove on housing, time hook knob 41 screw out towards the outer direction of housing, make hook knob 42 in the process of direction back-out outside housing, being hinged on locking pull bar 42 in hook knob 41 along with outward direction stretches out, breach on locking pull bar 42 contacts with seesaw 401, seesaw 401 is driven then to drive tripping mechanism 3 to thread off by breach, first moves, fixed contact disconnects, locking pull bar 42 continues along with outward direction stretches out, reverse V-shaped triggering projection on locking pull bar 42 acts on against the second moving contact projection 731, the second moving contact 73 is made to overcome the elastic force of the second moving contact spring 732, move toward away from the second fixed contact 74 direction, thus make second to move, fixed contact disconnects.Simultaneously, the drive division 414 in hook knob 41 promotes terminal cap 8 and moves to unshielding position by blocking position, and two driver holes 801 on housing 1 are communicated with the first lead-out terminal 621, second lead-out terminal 622.Operator can safely and conveniently wiring.In order to ensure that wiring process interrupt road device reliably disconnects, padlock can also be used to lock to the hook knob 42 of stretching out outside housing, effectively prevent when lead-out terminal is charged, wiring personnel go to operate lead-out terminal by driver.
After wiring terminates, wiring librarian use screwdriver counter-rotation hook knob 41, the first projection 411 i.e. skewback in hook knob 41 moves along the thread groove on housing 1, makes hook knob 41 rotate direction in housing and retracts.Locking pull bar 42 moves toward direction in housing 1 under the drive of hook knob 41, now, reverse V-shaped triggering projection on locking pull bar 42 no longer drives the second moving contact 73 to reset against the second moving contact projection 731, second moving contact spring 732, and the second dynamic and static contact is connected.The breach of locking pull bar 42 drives the left end of seesaw 401, and seesaw 401 is swayed, and the right-hand member of seesaw 401 tilts and do not drive tripping mechanism 3, now can connect circuit by manual Knob mechanisms 2 by the operation in controlling organization.Meanwhile, terminal cap 8, under the driving of hook knob 41, is moved to by unshielding position and blocks position, and the blocking of driver hole is closed by terminal cap 8, and now, driver cannot carry out wiring through driver hole 801 to the first lead-out terminal 621, second lead-out terminal 622.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (14)
1. a miniature circuit breaker, comprise housing (1), be positioned at the arc-control device (9) of described housing, first fixed contact (72), be provided with the tripping mechanism (3) of the first moving contact (71), second fixed contact (74), second moving contact (73), and control the controlling organization of described tripping mechanism (3) action, wherein said first moving contact (71) is electrically connected with first input end (611), described first fixed contact (72) is electrically connected with the first lead-out terminal (621), described second moving contact (73) is electrically connected with the second input terminal (612), described second fixed contact (74) is electrically connected with described second lead-out terminal (622), it is characterized in that: described housing (1) forms applicable driver and stretches into described first lead-out terminal (621), second lead-out terminal (622) carries out the driver hole (801) of wiring, also comprise:
Terminal cap (8), at least be provided with one, be arranged between described first lead-out terminal (621) the driver hole (801) corresponding with it and between described second lead-out terminal (622) with its corresponding driver hole (801), when the first dynamic and static contact and the second dynamic and static contact are connected, the described driver hole (801) corresponding to described first lead-out terminal (621), the second lead-out terminal (622) is blocked;
Locked component (4), be arranged between described tripping mechanism (3) and described second moving contact (73), under the effect of external force, described locked component (4) successively triggers described tripping mechanism (3) and described second moving contact (73), make described first moving contact (71) and described first fixed contact (72), described second moving contact (73) and described second fixed contact (74) disconnect in succession, simultaneously, described terminal cap (8) is made to remove blocking described driver hole (801) under the driving of described locked component (4).
2. a kind of miniature circuit breaker according to claim 1, it is characterized in that: described locked component (4) comprises hinge hook knob together (41) and locking pull bar (42), wherein said hook knob (41) can rotate along described housing (1) and stretches out or retract under the effect rotating external force, described terminal cap (8) forms joint portion (81), described hook knob (41) forms the drive division (414) coordinated with described joint portion (81), described drive division (414) is under the driving of described hook knob (41), described terminal cap (8) is driven to reciprocate blocking between position and unshielding position, described locking pull bar (42) comprises the second trigger unit (422) triggering described tripping mechanism (3) first trigger unit (421) of threading off and described second moving contact (73) of triggering and disconnect, and described locking pull bar (42) with described hook knob (41) toward trigger direction motion time, described first trigger unit (421) to the triggering of described tripping mechanism (3) prior to the triggering of described second trigger unit (422) to described second moving contact (73).
3. a kind of miniature circuit breaker according to claim 2, it is characterized in that: (1) forms thread groove to described housing, described hook knob (41) is provided with the first projection (411) coordinated with described thread groove, under rotation External Force Acting, described hook knob (41) is stretched out by described first projection (411) along described thread groove slip rotation or retracts.
4. a kind of miniature circuit breaker according to Claims 2 or 3, it is characterized in that: between described first trigger unit (421) and described tripping mechanism (3), be also provided with the seesaw (401) driving described tripping mechanism (3) to thread off, described first trigger unit (421) is for being molded over the breach on described locking pull bar (42), one end of described seesaw (401) acts on described tripping mechanism (3), and the other end stretches in described breach.
5. a kind of miniature circuit breaker according to claim 4, it is characterized in that: described second moving contact (73) is provided with one second moving contact projection (731), described second trigger unit (422) is for being molded over the triggering projection of the lower end of locking pull bar (42), described triggering projection is by described second moving contact projection (731) of conflicting, described second moving contact (73) is made to overcome the elastic force of the second moving contact spring (732), move towards the direction away from described second fixed contact (74), described second moving contact (73) and described second fixed contact (74) disconnect.
6. a kind of miniature circuit breaker according to claim 5, is characterized in that: described triggering projection is reverse V-shaped.
7. a kind of miniature circuit breaker according to any one of claim 1-3, it is characterized in that: described first lead-out terminal (621), described second lead-out terminal (622) is disposed in parallel in described housing (1), described terminal cap (8) is provided with one, described terminal cap (8) forms the through hole consistent with described driver hole (801) number, described through hole in described terminal cap (8) and described driver hole (801) are aligned to unshielding position, stagger for blocking position in described through hole in described terminal cap (8) and described driver hole (801).
8. a kind of miniature circuit breaker according to claim 2, it is characterized in that: described joint portion (81) are for being molded over described terminal cap (8) upper groove, described drive division (414) is for being molded over the one handle in described hook knob (41), described handle stretches in described groove, drives described terminal cap (8) to reciprocate by the cell wall promoting described groove.
9. a kind of miniature circuit breaker according to claim 1; it is characterized in that: described controlling organization comprises the manual knob mechanism (2) controlling described first dynamic and static contact connection, the circuit protection actuating mechanism (10) driving described tripping mechanism to thread off, and drives the board part (11) of described circuit protection actuating mechanism action.
10. a kind of miniature circuit breaker according to claim 9, it is characterized in that: described board part (11) comprises main circuit board (111) and auxiliary wiring board (112) vertically disposed with described main circuit board, the electric connection line of described first fixed contact (72) and described first lead-out terminal (621) is around on described auxiliary wiring board (112), and the periphery of described electric connection line (17) and described auxiliary wiring board (112) is surrounded by magnetic screen lid (13).
11. a kind of miniature circuit breakers according to claim 10, is characterized in that: described board part (11) is at least provided with a communication interface (12).
12. a kind of miniature circuit breakers according to claim 2, is characterized in that: described hook knob (41) is provided with applicable instrument and inserts the notch (412) turned.
13. a kind of miniature circuit breakers according to claim 12, it is characterized in that: on one end that described hook knob (41) stretches out described housing (1), radial direction forms through hole (413), and described through hole is provided with padlock (5).
14. a kind of miniature circuit breakers according to claim 9, it is characterized in that: described first lead-out terminal (621), described second lead-out terminal (622) plug are arranged on terminal fixed mount (15), be arranged with magnet ring (14), the output of described magnet ring (14) connects and outputs to described board part (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089732.2A CN103887124B (en) | 2014-03-12 | 2014-03-12 | A kind of miniature circuit breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410089732.2A CN103887124B (en) | 2014-03-12 | 2014-03-12 | A kind of miniature circuit breaker |
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| CN103887124A CN103887124A (en) | 2014-06-25 |
| CN103887124B true CN103887124B (en) | 2016-04-27 |
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| CN201410089732.2A Active CN103887124B (en) | 2014-03-12 | 2014-03-12 | A kind of miniature circuit breaker |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107622919A (en) * | 2016-07-15 | 2018-01-23 | 浙江乾纳电气有限公司 | A kind of breaker safe locking device |
| CN109036992A (en) * | 2018-08-08 | 2018-12-18 | 河北宝凯电气股份有限公司 | A kind of shielding arc-suppressing method of breaker |
| CN113223900B (en) * | 2020-02-06 | 2022-07-22 | 华为技术有限公司 | Circuit breaker and distribution box |
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| CN103177909A (en) * | 2011-12-26 | 2013-06-26 | 西门子公司 | Wiring device |
| CN203799987U (en) * | 2014-03-12 | 2014-08-27 | 科都电气有限公司 | Miniature circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201032622Y (en) * | 2007-05-29 | 2008-03-05 | 浙江省志明电气进出口有限公司 | Small circuit breaker with protection covers |
| EP2315313B1 (en) * | 2009-10-26 | 2012-02-08 | Schneider Electric Industries SAS | Assembly for multiple connection in an electrical apparatus |
| CN103177909A (en) * | 2011-12-26 | 2013-06-26 | 西门子公司 | Wiring device |
| CN203799987U (en) * | 2014-03-12 | 2014-08-27 | 科都电气有限公司 | Miniature circuit breaker |
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Address after: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 Block C, Puqi Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |
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