CN103762129B - A kind of circuit breaker of improvement - Google Patents
A kind of circuit breaker of improvement Download PDFInfo
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- CN103762129B CN103762129B CN201410039198.4A CN201410039198A CN103762129B CN 103762129 B CN103762129 B CN 103762129B CN 201410039198 A CN201410039198 A CN 201410039198A CN 103762129 B CN103762129 B CN 103762129B
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Abstract
The present invention relates to a kind of circuit breaker of improvement, comprise housing, arc-control device, moving contact, fixed contact, fastener mechanism, and controlling organization, also comprise moving contact energy storage bias piece and kick structure, described moving contact energy storage bias piece is arranged between described moving contact and described action contact frame, and the biasing force of described moving contact energy storage bias piece makes described moving contact be close to described action contact frame; Described kick structure makes the unitary rotation described moving contact in ground and described action contact frame generation relative motion, remove the effect to described moving contact and described action contact frame after making described moving contact energy storage bias piece deformation energy, the energy of described moving contact energy storage bias piece abrupt release makes described moving contact rotate rapidly kick connection towards described fixed contact direction.The breaker structure of improvement of the present invention is reasonable, has kick function, extends the useful life of circuit breaker.
Description
Technical field
The present invention relates to field of circuit breakers, particularly one is electric wiring, and electric equipment provides the circuit breaker of the improvement of overload, short-circuit protection a kind of.
Background technology
At present, the kind of circuit breaker is varied, and operation principle is also different.A wherein class circuit breaker; circuit protection mechanism and the tripping mechanisms of action that match with these protection mechanisms such as inner employing short circuit current relay, bimetal leaf; and moving contact is located on tripping mechanism; by circuit protection mechanism to the corresponding actions occurring the situations such as overload, short circuit in circuit; drive de-mouth mechanism action and then moving contact is separated with fixed contact, the disconnection protection of realizing circuit.
The patent No. as the applicant's earlier application is: in the application for a patent for invention open file that CN201120517866.1, name are called " a kind of circuit breaker of improvement "; disclose a kind of fastener mechanism of new structure; remove the tripping mechanism of intermediate link; direct dependence fixed mount and fastener cover driver part and fastener are thrown off; binding face on fastener and fixed mount coordinates and then drives the moving contact on fixed mount and fixed contact quick separating; the energy of stored energy mechanism changes into the kinetic energy of moving contact to a greater degree, and moving contact is quicker with being separated of fixed contact; Avoid moving contact bounce-back and again connect with fixed contact the danger forming secondary arcing.
But also have the following disadvantages: 1, in moving contact and fixed contact connection process without kick, easily form electrical arc erosion contact; 2, circuit protection actuating mechanism is subject to the induction reactance effect of coil, reaches a bottleneck operate time, continues quickening more difficult for operate time; 3, the action force of circuit protection actuating mechanism can not be able to not do greatly because volume is restricted; 4, cause because of dropout mode the resistance of dropout comparatively large, have impact on the trip action time of striker or moving contact driving.
Summary of the invention
For this reason, technical problem to be solved by this invention is that breaker structure of the prior art is unreasonable, without kick in moving contact and fixed contact connection process, easily forms the problem of electrical arc erosion contact, there is provided a kind of rational in infrastructure, there is the circuit breaker of the improvement of kick function.
A kind of dropout mode is provided to be back-shaped button hole further, trip action speed circuit breaker faster.
For solving the problems of the technologies described above, the circuit breaker of a modification of the present invention, comprise housing, be positioned at the arc-control device of described housing, moving contact, fixed contact, fastener mechanism, and controlling organization, wherein said fastener mechanism comprises and is hinged together and mutually fastens the action contact frame and dropout frame that form fastener, described moving contact is hinged on described action contact frame, described controlling organization comprises the described fastener mechanism unitary rotation of control, make the connection controlling organization that described moving contact court rotates with described fixed contact direction, and control the dropout of described fastener, make the disconnection controlling organization that described moving contact rotates towards described fixed contact detaching direction, also comprise
Moving contact energy storage bias piece, is arranged between described moving contact and described action contact frame, and the biasing force of described moving contact energy storage bias piece makes described moving contact be close to described action contact frame;
Kick structure, described kick structure makes the unitary rotation described moving contact in ground and described action contact frame generation relative motion, after making described moving contact energy storage bias piece deformation energy, described kick arrangement uncouples is to the effect of described moving contact or described action contact frame, and the energy of described moving contact energy storage bias piece abrupt release makes described moving contact rotate rapidly kick towards described fixed contact direction to connect.
Described kick structure comprises
Snap frame, can arrange rotationally on the housing around kick axle, described snap frame have stop part and drive division, in the process that described moving contact rotates with described action contact frame, the stop part of described snap frame is formed with the barrier structure that described moving contact is arranged and coordinates, stop that described moving contact rotates, face of being close between described moving contact with described action contact frame is separated, described moving contact energy storage bias piece deformation energy, Drive Structure on the described action contact frame be rotated further is formed with the described drive division of described snap frame and coordinates, described snap frame is driven to rotate backward, described stop part is separated with described barrier structure, described moving contact energy storage bias piece transient burst of energy, make described moving contact rotate rapidly kick towards described fixed contact direction to connect, described moving contact energy storage bias piece drives described moving contact to rotate rapidly kick towards described fixed contact direction and connects,
Snap frame reset bias piece, its partial pressure, on described snap frame, makes described snap frame rotate and resets.
Described action contact frame is provided with pan one, described dropout frame is provided with bearing pin one, described bearing pin one inserts described pan one and is formed hinged, described action contact frame is provided with " L " type breach, described dropout frame is provided with inverted "L" shaped breach, also be provided with dropout frame bias piece between described action contact frame and described dropout frame, described " L " type breach of biasing force maintenance of described dropout frame bias piece and described inverted "L" shaped breach interlock and form back-shaped button hole; An action contact frame reset bias piece is also provided with in described housing, described action contact frame side is provided with the first abutment face, one end of described action contact frame reset bias piece is against described first abutment face, the second abutment face that the other end of described action contact frame reset bias piece is arranged in described housing, described action contact frame reset bias piece imposes the described action contact frame after threading off and makes described action contact frame towards fastening with described dropout frame the biasing force rotated in direction.
Described disconnection controlling organization controls the automatically controlled release mechanism that described fastener mechanism is threaded off automatically when comprising manual release mechanism and/or the fault of fastener dropout described in Non-follow control.
Described automatically controlled release mechanism comprises the circuit protection actuating mechanism driving described fastener mechanism to thread off, and drives the board part of described circuit protection actuating mechanism action.
Described dropout frame is also provided with the first top splenium; described circuit protection actuating mechanism and described first is pushed up splenium and is coordinated; drive described dropout frame to rotate towards dropout direction, the back-shaped button hole that described " L " type breach and described inverted "L" shaped breach are formed is opened to be formed and is threaded off.
Described manual release mechanism comprises Non-follow control assembly, and the seesaw swayed, described dropout frame is also provided with the second top splenium, described Non-follow control assembly acts on one end of described seesaw, described seesaw is rotated, the other end and described second of described seesaw pushes up splenium and coordinates, and drive described dropout frame to rotate towards dropout direction, the back-shaped button hole that described " L " type breach and described inverted "L" shaped breach are formed is opened to be formed and threaded off.
Described action contact frame and described moving contact hinge, in the second bearing pin, described action contact frame are provided with pan two, described moving contact are provided with pan three, and described second bearing pin is through described pan two and described pan three; Described moving contact energy storage bias piece is a moving contact stage clip, described action contact frame is provided with the first binding face, described moving contact is provided with the second binding face, and described stage clip drives described moving contact to rotate clockwise around described second bearing pin, drives described first binding face and described second binding face to fit.
Described dropout frame is also provided with the 3rd top splenium, the relevant position of described moving contact is provided with butting section, during short circuit, the repulsion of described fixed contact to described moving contact overcomes the biasing force of described stage clip, described moving contact is made to turn to described butting section to opening described 3rd top splenium around described second bearing pin, described dropout frame is rotated towards dropout direction, and the back-shaped button hole that described " L " type breach and described inverted "L" shaped breach are formed is opened to be formed and is threaded off.
Described connection controlling organization comprises the knob be articulated with on described housing, connecting rod, and knob bias voltage reset components, the first connector on described connecting rod one end and described knob are hinged, the second connector on the described connecting rod other end inserts described " L " type breach and described inverted "L" shaped breach and interlocks in the back-shaped button hole that formed, described knob drives described fastener mechanism towards rotating with described fixed contact direction by connecting rod, and the shape of described connecting rod meets: when described moving contact contacts with described fixed contact, described connecting rod and the hinged one end of described knob, stride across the other end of described connecting rod and the pivot line of described knob, knob forms self-locking, the biasing force of described knob bias voltage reset components makes described knob reset, and the described back-shaped button hole that described " L " type breach and described inverted "L" shaped breach are formed is opened and is formed when threading off, and described connecting rod is deviate from from described back-shaped button hole.
Described circuit protection actuating mechanism comprises solenoid housing, be arranged on the yoke in described solenoid housing, be arranged on the coil rack inside described yoke, be arranged on the coil between described yoke and described coil rack, one end is arranged in described coil rack, the other end stretches out the striker of described solenoid housing, be arranged on the static iron core of described striker end, be arranged on the permanent magnet between described yoke and described striker, and the striker reset bias piece be set on described striker external part, described permanent magnet, yoke, static iron core and striker form magnetic loop, described static iron core adhesive striker, described striker reset bias piece imposes the biasing force outwards launched to described striker, described board part encourages described coil to make to weaken in the described striker internal magnetic field short time, described static iron core is reduced the attraction of striker, described striker reset bias piece overcomes described attraction and drives described striker outwards to launch.
Described coil is provided with one or more.
The reset seesaw that described striker is resetted also is provided with between described knob and described striker, described reset seesaw is on the housing hinged by jointed shaft, and one end of described reset seesaw and described knobs fit, the other end coordinates with described striker, described reset seesaw rotates under the driving of described knob, makes the other end of described reset seesaw while moving back described striker, overcome the biasing force of described striker reset bias piece until keep with described static iron core adhesive.
Technique scheme of the present invention has the following advantages compared to existing technology:
1, in the present invention, the setting of kick structure, makes knob can drive moving contact and fixed contact kick quick-make, extends the useful life of circuit breaker;
2, in the present invention, improve the loop construction of circuit protection actuating mechanism for excitation degaussing, avoid the induction reactance effect of coil to the impact of attraction generation time, accelerate the responsiveness of circuit protection actuating mechanism;
3, in the present invention, striker reset biasing member, for being arranged on end tapered spring, making spring force larger, improves more greatly the actuating force of striker;
4, in the present invention, releasing structure is improved to " L " type breach and inverted "L" shaped breach interlock and form the structure of back-shaped button hole, and the connecting rod that drives is skidded off from opening part dropout is direct afterwards, and dropout resistance is little, threads off more rapid;
5, in the present invention; by board part drive circuit protection act mechanism; according to the function presetting of wiring board; overload protection can be realized; overcurrent protection, one or more of the multiple protection such as earth leakage protective, the coil of circuit protection actuating mechanism is arranged to multiple simultaneously; when a coil break down can not work time other coil replace and finish the work, carried out multiple protective.
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 the explosive view of circuit breaker of the present invention;
Fig. 2 is the decomposition view at Fig. 1 back side;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the front view that dynamic/static contact is in open position;
Fig. 5 is the front view that in dynamic/static contact connection process, the stopper of moving contact coordinates with the barrier structure of snap frame;
Fig. 6 is the rearview of Fig. 5;
The front view of Fig. 7 dynamic/static contact on-position;
Fig. 8 is the front view that the striker impact of circuit protection actuating mechanism makes back-shaped clasp and opens;
Fig. 9 knob resets to the front view in centre position;
Figure 10 moving contact is against the front view of dropout frame;
Figure 11 release member decomposition view;
The stereogram of Figure 12 snap frame;
The cutaway view of Figure 13 circuit protection actuating mechanism.
In figure, Reference numeral is expressed as: housing 1, arc-control device 2, moving contact 3, fixed contact 4, fastener mechanism 5, action contact frame 6, dropout frame 7, moving contact energy storage bias piece 8, snap frame 9, kick axle 10, stop part 11, drive division 12, barrier structure 13, Drive Structure 14, snap frame reset bias piece 15, pan 1, bearing pin 1, " L " type breach 18, inverted "L" shaped breach 19, dropout frame bias piece 20, action contact frame reset bias piece 21, circuit protection actuating mechanism 22, board part 23, first top splenium 24, Non-follow control assembly 25, seesaw 26, second top splenium 27, second bearing pin 28, pan 2 29, pan 3 30, first binding face 31, second binding face 32, 3rd top splenium 33, butting section 34, knob 35, connecting rod 36, knob bias voltage reset components 37, first connector 38, second connector 39, solenoid housing 40, yoke 41, coil rack 42, coil 43, striker 44, static iron core 45, permanent magnet 46, striker reset bias piece 47, reset seesaw 48, back-shaped button hole 49, second abutment face 50.
Embodiment
As shown in figures 1-13, the circuit breaker of a kind of improvement of the present embodiment, comprise housing 1, be positioned at the arc-control device 2 of described housing 1, moving contact 3, fixed contact 4, fastener mechanism 5, and controlling organization, wherein said fastener mechanism 5 comprises and is hinged together and mutually fastens the action contact frame 6 and dropout frame 7 that form fastener, described moving contact 3 is hinged on described action contact frame 6, described controlling organization comprises described fastener mechanism 5 unitary rotation of control, make described moving contact 3 towards the connection controlling organization rotated with described fixed contact 4 direction, and control the dropout of described fastener, make the disconnection controlling organization that described moving contact 3 rotates towards described fixed contact 4 detaching direction, also comprise
Moving contact energy storage bias piece 8, is arranged between described moving contact 3 and described action contact frame 6, and the biasing force of described moving contact energy storage bias piece 8 makes described moving contact 3 be close to described action contact frame 6; In the present embodiment, described moving contact energy storage bias piece 8 is preferably a stage clip;
Kick structure, described kick structure makes the described moving contact 3 in unitary rotation ground, with described action contact frame 6, relative motion occur, after making described moving contact energy storage bias piece 8 deformation energy, described kick arrangement uncouples is to the effect of described moving contact 3 or described action contact frame 6, and the energy of described moving contact energy storage bias piece 8 abrupt release makes described moving contact 3 rotate rapidly kick towards described fixed contact 4 direction to connect.The setting of described kick structure, can make moving contact and fixed contact kick quick-make, extend the useful life of circuit breaker.
In the present embodiment, introduce a kind of preferred kick structure, described kick structure comprises
Snap frame 9, can be arranged on described housing 1 rotationally around kick axle 10, described snap frame 9 have stop part 11 and drive division 12, in the process that described moving contact 3 rotates with described action contact frame 6, the stop part 11 of described snap frame 9 is formed with the barrier structure 13 that described moving contact 3 is arranged and coordinates, stop that described moving contact 3 rotates, face of being close between described moving contact 3 with described action contact frame 6 is separated, described moving contact energy storage bias piece 8 deformation energy, Drive Structure 14 on the described action contact frame 6 be rotated further is formed with the described drive division 12 of described snap frame 9 and coordinates, described snap frame 9 is driven to rotate backward, described stop part 11 is separated with described barrier structure 13, described moving contact energy storage bias piece 8 transient burst of energy, make described moving contact 3 rotate rapidly kick towards described fixed contact 4 direction to connect, described moving contact energy storage bias piece 8 drives described moving contact 3 to rotate rapidly kick towards described fixed contact 4 direction and connects,
Snap frame reset bias piece 15, its partial pressure, on described snap frame 9, makes described snap frame 9 rotate and resets, in the present embodiment, snap frame reset bias piece 15 is a torsion spring, and a torsion spring pin of torsion spring is connected with housing 1, and another torsion spring pin acts on snap frame 9.
Described action contact frame 6 is provided with pan 1, described dropout frame 7 is provided with bearing pin 1, described bearing pin 1 inserts described pan 1 and is formed hinged, described action contact frame 6 is provided with " L " type breach 18, described dropout frame 7 is provided with inverted "L" shaped breach 19, also be provided with dropout frame bias piece 20 between described action contact frame 6 and described dropout frame 7, described " L " type breach 18 of biasing force maintenance of described dropout frame bias piece 20 interlocks with described inverted "L" shaped breach 19 and forms back-shaped button hole 49; An action contact frame reset bias piece 21 is also provided with in described housing 1, described action contact frame 6 side is provided with the first abutment face, one end of described action contact frame reset bias piece 21 is against described first abutment face, the other end of described action contact frame reset bias piece 21 is against interior the second abutment face 50 arranged of described housing 1, and described action contact frame reset bias piece 21 imposes the described action contact frame 6 after dropout and makes described action contact frame 6 fasten towards with described dropout frame 7 biasing force rotated in direction.Dropout mode is in the present embodiment improved to " L " type breach and described inverted "L" shaped breach and interlocks and form the form of back-shaped button hole, and the connecting rod driven can be made directly to skid off from opening part, and dropout resistance is little, threads off more rapid.In the present embodiment, the action contact frame reset bias piece 21 driving tripping mechanism to reset is preferably stage clip, and trip action speed can be made faster, and it is also faster that circuit disconnects action.
Described disconnection controlling organization controls the automatically controlled release mechanism that described fastener mechanism 5 is threaded off automatically when comprising manual release mechanism and/or the fault of fastener dropout described in Non-follow control.
Described automatically controlled release mechanism comprises the circuit protection actuating mechanism 22 driving described fastener mechanism 5 to thread off, and drives the board part 23 of described circuit protection actuating mechanism 22 action.By board part drive circuit protection act mechanism; according to the function presetting of wiring board; overload protection can be realized; overcurrent protection; one or more of the multiple protection such as earth leakage protective; simultaneously the coil of circuit protection actuating mechanism is arranged to multiple, when a coil break down can not work time other coil replace and finish the work, carried out multiple protective.
Described dropout frame 7 is also provided with the first top splenium 24; described circuit protection actuating mechanism 22 and described first is pushed up splenium 24 and is coordinated; drive described dropout frame 7 to rotate towards dropout direction, the back-shaped button hole 49 that described " L " type breach 18 and described inverted "L" shaped breach 19 are formed is opened to be formed and is threaded off.
Described manual release mechanism comprises Non-follow control assembly 25, and the seesaw 26 swayed, described dropout frame 7 is also provided with the second top splenium 27, described Non-follow control assembly 25 acts on one end of described seesaw 26, described seesaw 26 is rotated, the other end and described second of described seesaw 26 pushes up splenium 27 and coordinates, and drive described dropout frame 7 to rotate towards dropout direction, the back-shaped button hole 49 that described " L " type breach 18 and described inverted "L" shaped breach 19 are formed is opened to be formed and threaded off.
Described action contact frame 6 in the second bearing pin 28 with described moving contact 3 hinge, described action contact frame 6 is provided with pan 2 29, described moving contact 3 is provided with pan 3 30, and described second bearing pin 28 is through described pan 2 29 and described pan 3 30; Described moving contact energy storage bias piece 8 is a stage clip, described action contact frame 6 is provided with the first binding face 31, described moving contact 3 is provided with the second binding face 32, described stage clip drives described moving contact 3 to rotate clockwise around described second bearing pin 28, drives described first binding face 31 to fit with described second binding face 32.
Described dropout frame 7 is also provided with the 3rd top splenium 33, the relevant position of described moving contact 3 is provided with butting section 34, during short circuit, the repulsion of described fixed contact 4 to described moving contact 3 overcomes the biasing force of described moving contact energy storage bias piece 8, described moving contact 3 is made to turn to described butting section 34 to opening described 3rd top splenium 33 around described second bearing pin 28, described dropout frame 7 is rotated towards dropout direction, and the back-shaped button hole 49 that described " L " type breach 18 and described inverted "L" shaped breach 19 are formed is opened to be formed and is threaded off.
Described connection controlling organization comprises the knob 35 be articulated with on described housing 1, connecting rod 36, and knob bias voltage reset components 37, the first connector 38 on described connecting rod 36 one end is hinged with described knob 35, the second connector 39 on described connecting rod 36 other end inserts described " L " type breach 18 and described inverted "L" shaped breach 19 and interlocks in the back-shaped button hole 49 that formed, described knob 35 drives described fastener mechanism 5 to rotate towards with described fixed contact 4 direction by connecting rod 36, and the shape of described connecting rod 36 meets: when described moving contact 3 contacts with described fixed contact 4, one end that described connecting rod 36 is hinged with described knob 35, stride across the other end of described connecting rod 36 and the pivot line of described knob 35, knob 35 forms self-locking, the biasing force of described knob bias voltage reset components 37 makes described knob 35 reset, and the described back-shaped button hole 49 that described " L " type breach 18 and described inverted "L" shaped breach 19 are formed is opened and is formed when threading off, and described connecting rod 36 is deviate from from described back-shaped button hole 49.
Described circuit protection actuating mechanism 22 comprises solenoid housing 40, be arranged on the yoke 41 in described solenoid housing 40, be arranged on the coil rack 42 inside described yoke 41, be arranged on the coil 43 between described yoke 41 and described coil rack 42, one end is arranged in described coil rack 42, the other end stretches out the striker 44 of described solenoid housing 40, be arranged on the static iron core 45 of described striker 44 end, be arranged on the permanent magnet 46 between described yoke 41 and described striker 44, and the striker reset bias piece 47 be set on described striker 44 external part, described permanent magnet 46, yoke 41, static iron core 45 and striker 44 form magnetic loop, described static iron core 45 adhesive striker 44, described striker reset bias piece 47 imposes to described striker 44 biasing force outwards launched, described board part 23 encourages described coil 43 to make to weaken in the described striker 44 internal magnetic field short time, the attraction of described static iron core 45 pairs of strikers 44 is reduced, described striker reset bias piece 47 overcomes described attraction and drives described striker 44 outwards to launch.Improve the loop construction of circuit protection actuating mechanism for excitation degaussing, avoid the induction reactance effect of coil to the impact of the generation time of attraction, accelerate the responsiveness of circuit protection actuating mechanism.
Described coil 43 is provided with one or more.
The reset seesaw 48 that described striker 44 is resetted also is provided with between described knob 35 and described striker 44, described reset seesaw 48 is hinged on described housing 1 by jointed shaft, and one end of described reset seesaw 48 coordinates with described knob 35, the other end coordinates with described striker 44, described reset seesaw 48 rotates under the driving of described knob 35, makes the other end of described reset seesaw 48 while moving back described striker 44, overcome the biasing force of described striker reset bias piece 47 until keep with the adhesive of described static iron core 45.
Described striker reset bias piece 47 is preferably volute spring in the present embodiment, and the spring force of volute spring is larger, improves more greatly the actuating force of striker.
The course of work of the circuit breaker of a modification of the present invention:
(1) dynamic and static contact kick contact process
See Fig. 4-9, operation knob is by one end of drive link, the other end action of the back-shaped button hole 49 of insertion of drivening rod, thus drive the action contact frame of formation release member and moving contact to rotate clockwise around the second bearing pin, as Fig. 5, shown in Fig. 6, before moving contact and fixed contact are connected, the barrier structure of moving contact coordinates with the stop part of snap frame, now action contact frame is rotated further, moving contact stops operating because there being the stop of snap frame, first binding face of action contact frame is separated with the second binding face of moving contact, the elastic force that action contact frame overcomes moving contact stage clip is rotated further, the energy storage of moving contact stage clip, after action contact frame turns to certain angle, the Drive Structure of action contact frame is formed with the drive division of snap frame and coordinates, snap frame is driven to rotate around kick axle, when snap frame turn to stop part be separated with barrier structure time, as shown in Figure 7, moving contact eliminates stop, under the effect of the moving contact energy storage bias piece of energy storage, moving contact rotates clockwise fast around the second bearing pin and fits with fixed contact, complete the connection process of circuit breaker, one end of connecting rod and knob hinge, the other end of connecting rod and the rotary middle point line of knob are striden across, knob forms self-locking.
(2), during circuit malfunctions, circuit breaker disconnects automatically
As shown in Fig. 8 Figure 13, work as circuit malfunctions, as leaked electricity, overload, during the faults such as overcurrent, wiring board fault detected and the coil of drive circuit protection act mechanism produces exciting current, weaken the suction of striker and static iron core, be not enough to maintain adhesive, under the effect of striker reset bias piece, drive striker outwards to launch, striker launches and clashes into the first top splenium of dropout frame, overcome the elastic force effect of dropout frame stage clip, dropout frame rotates counterclockwise around the bearing pin one of dropout frame and moving contact hinge, " L " type breach on action contact frame is separated with the inverted "L" shaped breach on dropout frame, fastener is opened, slippage is out from back-shaped button hole 49 for the connecting rod driven.As Fig. 9, under the effect of action contact frame reset bias piece, action contact frame rotates counterclockwise reset around the second bearing pin, first binding face of action contact frame and the second binding face of moving contact also drive moving contact to rotate counterclockwise, moving contact is separated with fixed contact, and reaching most large opening, knob resets to centre position under the effect of knob reduction torsion spring.
To reset to the initial position of Fig. 4, necessary manual operation knob, the one end fits of knob lower end and reset seesaw, reset seesaw is driven to rotate counterclockwise, the other end of reset seesaw is pressed against striker and overcomes the active force of striker reset bias piece, striker is moved inward also and static iron core adhesive maintenance, one end of the position drivening rod of knob snaps onto in the back-shaped button hole of action contact frame and the formation of dropout frame simultaneously.
(3) during short circuit, the automatic disconnection of dynamic/static contact
As shown in Figure 10, especially when circuit is short-circuited, the repulsion of fixed contact and moving contact is larger, the elastic force overcoming moving contact energy storage bias piece makes moving contact rotate counterclockwise angle when reaching certain numerical value, the butting section top pressure-off buckle frame that moving contact is arranged arranges the 3rd top splenium, dropout frame is driven to rotate counterclockwise, " L " type breach on action contact frame is separated with the inverted "L" shaped breach on dropout frame, fastener is opened, slippage is out from annular button hole for the connecting rod of driver part, under the effect of action contact frame reset bias piece, drive action contact frame to rotate counterclockwise around the second bearing pin, moving contact and fixed contact are opened completely, if need reset, the knob operating drive part is needed to make reset of breaker to Fig. 4 initial position.
(4) as required, manual component, seesaw are set to control the disconnection of dynamic and static contact
As Fig. 1, shown in Figure 11, seesaw is set as required, seesaw is fixed on circuit protection actuating mechanism by the mode of hinge, one end coordinates with hook knob, one end and second of dropout frame push up splenium and are formed and coordinate in addition, operation manual component in the present embodiment manual component is hook knob part, can drive on the left end of seesaw and move, right-hand member moves down, the right-hand member of seesaw pushes up splenium against second of dropout frame and overcomes the effect of dropout frame stage clip, dropout frame rotates counterclockwise, " L " type breach on action contact frame is separated with the inverted "L" shaped breach on dropout frame, fastener is opened, slippage is out from back-shaped button hole for the connecting rod that knob controls, under the effect of action contact frame reset bias piece, drive action contact frame to rotate counterclockwise around the second bearing pin, first binding face of action contact frame is against the second binding face of moving contact, moving contact and fixed contact is driven to open completely, if need reset, need to operate described knob and make reset of breaker to Fig. 4 initial position.
As shown in figure 13; during in order to more effectively and more reliably guarantee circuit malfunctions; circuit breaker energy open circuit; multiple coil is set as required; in accompanying drawing 13; be provided with the first coil and the second coil, when the first coil breaks down, the second coil can replace the first coil driver protection act mechanism action.
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 (12)
1. a circuit breaker, comprise housing (1), be positioned at the arc-control device (2) of described housing (1), moving contact (3), fixed contact (4), fastener mechanism (5), and controlling organization, wherein said fastener mechanism (5) comprises and is hinged together and mutually fastens the action contact frame (6) and dropout frame (7) that form fastener, described moving contact (3) is hinged on described action contact frame (6), described controlling organization comprises control described fastener mechanism (5) unitary rotation, make the connection controlling organization that described moving contact (3) court rotates with described fixed contact (4) direction, and control the dropout of described fastener, make the disconnection controlling organization that described moving contact (3) rotates towards described fixed contact (4) detaching direction, it is characterized in that: also comprise
Moving contact energy storage bias piece (8), be arranged between described moving contact (3) and described action contact frame (6), and the biasing force of described moving contact energy storage bias piece (8) makes described moving contact (3) be close to described action contact frame (6);
Kick structure, described kick structure makes the unitary rotation described moving contact in ground (3) and described action contact frame (6) that relative motion occur, after making described moving contact energy storage bias piece (8) deformation energy, described kick arrangement uncouples is to the effect of described moving contact (3) or described action contact frame (6), and the energy of described moving contact energy storage bias piece (8) abrupt release makes described moving contact (3) rotate rapidly kick towards described fixed contact (4) direction to connect;
Snap frame (9), can be arranged on described housing (1) rotationally around kick axle (10), described snap frame (9) have stop part (11) and drive division (12), in the process that described moving contact (3) rotates with described action contact frame (6), the stop part (11) of described snap frame (9) is formed with the upper barrier structure (13) arranged of described moving contact (3) and coordinates, stop that described moving contact (3) rotates, face of being close between described moving contact (3) with described action contact frame (6) is separated, described moving contact energy storage bias piece (8) deformation energy, Drive Structure (14) on the described action contact frame (6) be rotated further is formed with the described drive division (12) of described snap frame (9) and coordinates, described snap frame (9) is driven to rotate backward, described stop part (11) is separated with described barrier structure (13), described moving contact energy storage bias piece (8) transient burst of energy, make described moving contact (3) rotate rapidly kick towards described fixed contact (4) direction to connect, described moving contact energy storage bias piece (8) drives described moving contact (3) to rotate rapidly kick towards described fixed contact (4) direction and connects,
Snap frame reset bias piece (15), its partial pressure, on described snap frame (9), makes described snap frame (9) rotate and resets.
2. circuit breaker according to claim 1, it is characterized in that: described action contact frame (6) is provided with pan one (16), described dropout frame (7) is provided with bearing pin one (17), described bearing pin one (17) inserts described pan one (16) and is formed hinged, described action contact frame (6) is provided with " L " type breach (18), described dropout frame (7) is provided with inverted "L" shaped breach (19), dropout frame bias piece (20) is also provided with between described action contact frame (6) and described dropout frame (7), described " L " type breach (18) of biasing force maintenance of described dropout frame bias piece (20) interlocks with described inverted "L" shaped breach (19) and forms back-shaped button hole (49), an action contact frame reset bias piece (21) is also provided with in described housing (1), described action contact frame (6) side is provided with the first abutment face, one end of described action contact frame reset bias piece (21) is against described first abutment face, second abutment face (50) of other end setting in described housing (1) of described action contact frame reset bias piece (21), described action contact frame reset bias piece (21) imposes the described action contact frame (6) after dropout and makes described action contact frame (6) towards fastening with described dropout frame (7) biasing force rotated in direction.
3. circuit breaker according to claim 2, is characterized in that: control the automatically controlled release mechanism that described fastener mechanism (5) is threaded off automatically when described disconnection controlling organization comprises manual release mechanism and/or the fault of fastener dropout described in Non-follow control.
4. circuit breaker according to claim 3; it is characterized in that: described automatically controlled release mechanism comprises the circuit protection actuating mechanism (22) driving described fastener mechanism (5) to thread off, and drives the board part (23) of described circuit protection actuating mechanism (22) action.
5. circuit breaker according to claim 4; it is characterized in that: described dropout frame (7) is also provided with the first top splenium (24); described circuit protection actuating mechanism (22) and described first is pushed up splenium (24) and is coordinated; drive described dropout frame (7) to rotate towards dropout direction, the back-shaped button hole (49) that described " L " type breach (18) and described inverted "L" shaped breach (19) are formed is opened to be formed and is threaded off.
6. a kind of circuit breaker according to claim 3, it is characterized in that: described manual release mechanism comprises Non-follow control assembly (25), and the seesaw swayed (26), described dropout frame (7) is also provided with the second top splenium (27), described Non-follow control assembly (25) acts on one end of described seesaw (26), described seesaw (26) is rotated, the other end and described second of described seesaw (26) pushes up splenium (27) and coordinates, described dropout frame (7) is driven to rotate towards dropout direction, the back-shaped button hole (49) that described " L " type breach (18) and described inverted "L" shaped breach (19) are formed is opened to be formed and is threaded off.
7. a kind of circuit breaker according to claim 2, it is characterized in that: described action contact frame (6) and described moving contact (3) hinge are in the second bearing pin (28), described action contact frame (6) is provided with pan two (29), described moving contact (3) is provided with pan three (30), described second bearing pin (28) is through described pan two (29) and described pan three (30); Described moving contact energy storage bias piece (8) is a stage clip, described action contact frame (6) is provided with the first binding face (31), described moving contact (3) is provided with the second binding face (32), described stage clip drives described moving contact (3) to rotate clockwise around described second bearing pin (28), drives described first binding face (31) and described second binding face (32) to fit.
8. a kind of circuit breaker according to claim 7, it is characterized in that: described dropout frame (7) is also provided with the 3rd top splenium (33), the relevant position of described moving contact (3) is provided with butting section (34), during short circuit, the repulsion of described fixed contact (4) to described moving contact (3) overcomes the biasing force of described stage clip, described moving contact (3) is made to turn to described butting section (34) to opening described 3rd top splenium (33) around described second bearing pin (28), described dropout frame (7) is rotated towards dropout direction, the back-shaped button hole (49) that described " L " type breach (18) and described inverted "L" shaped breach (19) are formed is opened to be formed and is threaded off.
9. a kind of circuit breaker according to claim 4, it is characterized in that: described connection controlling organization comprises the knob (35) be articulated with on described housing (1), connecting rod (36), and knob bias voltage reset components (37), the first connector (38) on described connecting rod (36) one end and described knob (35) are hinged, the second connector (39) on described connecting rod (36) other end inserts described " L " type breach (18) and described inverted "L" shaped breach (19) and interlocks in the back-shaped button hole (49) that formed, described knob (35) drives described fastener mechanism (5) towards rotating with described fixed contact (4) direction by connecting rod (36), and the shape of described connecting rod (36) meets: when described moving contact (3) contacts with described fixed contact (4), one end that described connecting rod (36) is hinged with described knob (35), stride across the other end of described connecting rod (36) and the pivot line of described knob (35), described knob (35) forms self-locking, the biasing force of described knob bias voltage reset components (37) makes described knob (35) reset, the described back-shaped button hole (49) that described " L " type breach (18) and described inverted "L" shaped breach (19) are formed is opened and is formed when threading off, and described connecting rod (36) is deviate from from described back-shaped button hole (49).
10. a kind of circuit breaker according to claim 9, it is characterized in that: described circuit protection actuating mechanism (22) comprises solenoid housing (40), be arranged on the yoke (41) in described solenoid housing (40), be arranged on the coil rack (42) of described yoke (41) inner side, be arranged on the coil (43) between described yoke (41) and described coil rack (42), one end is arranged in described coil rack (42), the other end stretches out the striker (44) of described solenoid housing (40), be arranged on the static iron core (45) of described striker (44) end, be arranged on the permanent magnet (46) between described yoke (41) and described striker (44), and the striker reset bias piece (47) be set on described striker (44) external part, described permanent magnet (46), yoke (41), static iron core (45) and striker (44) form magnetic loop, described static iron core (45) adhesive striker (44), described striker reset bias piece (47) imposes to described striker (44) biasing force outwards launched, described board part (23) encourages described coil (43) to make to weaken in described striker (44) the internal magnetic field short time, described static iron core (45) is reduced the attraction of described striker (44), described striker reset bias piece (47) overcomes described attraction and drives described striker (44) outwards to launch.
11. a kind of circuit breakers according to claim 10, is characterized in that: described coil (43) is provided with more than one.
12. a kind of circuit breakers according to claim 11, it is characterized in that: between described knob (35) and described striker (44), be also provided with the reset seesaw (48) that described striker (44) is resetted, described reset seesaw (48) is hinged on described housing (1) by jointed shaft, and one end of described reset seesaw (48) coordinates with described knob (35), the other end coordinates with described striker (44), described reset seesaw (48) is rotated under the driving of described knob (35), the other end of described reset seesaw (48) is made while moving back described striker (44), to overcome the biasing force of described striker reset bias piece (47) until keep with (45) adhesive of described static iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039198.4A CN103762129B (en) | 2014-01-26 | 2014-01-26 | A kind of circuit breaker of improvement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410039198.4A CN103762129B (en) | 2014-01-26 | 2014-01-26 | A kind of circuit breaker of improvement |
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| CN103762129A CN103762129A (en) | 2014-04-30 |
| CN103762129B true CN103762129B (en) | 2016-02-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11239038B2 (en) | 2015-05-18 | 2022-02-01 | Gigavac, Llc | Mechanical fuse device |
| US10566160B2 (en) | 2015-05-18 | 2020-02-18 | Gigavac, Llc | Passive triggering mechanisms for use with switching devices incorporating pyrotechnic features |
| US9887055B2 (en) * | 2015-05-18 | 2018-02-06 | Gigavac, Llc | Mechanical fuse device |
| CN108807095B (en) * | 2017-05-04 | 2024-03-19 | 周思雨 | Miniature circuit breaker and kick assembly thereof |
| US11443910B2 (en) | 2019-09-27 | 2022-09-13 | Gigavac, Llc | Contact levitation triggering mechanisms for use with switching devices incorporating pyrotechnic features |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4897625A (en) * | 1988-06-09 | 1990-01-30 | Electric Power Research Institute, Inc. | Remotely controllable circuit breaker |
| CN201302964Y (en) * | 2008-08-21 | 2009-09-02 | 浙江正泰电器股份有限公司 | A small-size equidirectional series double-breakpoint circuit breaker |
| CN203760401U (en) * | 2014-01-26 | 2014-08-06 | 科都电气有限公司 | Improved circuit breaker |
-
2014
- 2014-01-26 CN CN201410039198.4A patent/CN103762129B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4897625A (en) * | 1988-06-09 | 1990-01-30 | Electric Power Research Institute, Inc. | Remotely controllable circuit breaker |
| CN201302964Y (en) * | 2008-08-21 | 2009-09-02 | 浙江正泰电器股份有限公司 | A small-size equidirectional series double-breakpoint circuit breaker |
| CN203760401U (en) * | 2014-01-26 | 2014-08-06 | 科都电气有限公司 | Improved circuit breaker |
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| CN103762129A (en) | 2014-04-30 |
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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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