CN101789336B - Built-in circuit breaker with automatic switch-on function - Google Patents

Built-in circuit breaker with automatic switch-on function Download PDF

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Publication number
CN101789336B
CN101789336B CN200910179587.6A CN200910179587A CN101789336B CN 101789336 B CN101789336 B CN 101789336B CN 200910179587 A CN200910179587 A CN 200910179587A CN 101789336 B CN101789336 B CN 101789336B
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built
automatic switching
circuit
circuit breaker
function according
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CN200910179587.6A
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CN101789336A (en
Inventor
万家盛
汪志强
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Hubei Shengjia Wiring Co Ltd
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Hubei Shengjia Wiring Co Ltd
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Priority to CN200910179587.6A priority Critical patent/CN101789336B/en
Priority to JP2012531210A priority patent/JP5514318B2/en
Priority to PCT/CN2010/000831 priority patent/WO2011038567A1/en
Publication of CN101789336A publication Critical patent/CN101789336A/en
Priority to US13/434,831 priority patent/US8913365B2/en
Priority to US13/433,515 priority patent/US9064666B2/en
Application granted granted Critical
Publication of CN101789336B publication Critical patent/CN101789336B/en
Priority to US14/735,107 priority patent/US9530577B2/en
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Abstract

The invention discloses a built-in circuit breaker with an automatic switch-on function, which comprises a circuit breaker body, a handle, a bottom box and a bearing plate, wherein the circuit breaker body comprises an upper cover which is provided with a slot, and the two ends of the slot correspond to the switch-on/off position of the circuit breaker; the handle extends out of the slot; the bottom box is provided with a circuit breaker actuating mechanism, a wire inlet end and a wire outlet end, and the on-off actuating mechanism of the circuit breaker is triggered by the handle; and the bearing plate is placed between the upper cover and the bottom box and combined with an electric operating mechanism, wherein the electric operating mechanism is provided with an execution end which is connected with the handle, and the handle is switched between the switch-on/off states under the control of an automatic switch-on control unit through the operation of the electric operating mechanism.

Description

There is the built-in circuit breaker of automatic switching-in function
Technical field
What the present invention relates to is a kind of circuit breaker, particularly be the circuit breaker that a kind of handle that can realize automatic switching-in function exposes.
Background technology
Switch switchgear for power department, is guarantee Electrical Safety, carries out the requisite equipment of circuit switching, and along with the release of country to intelligent grid plan, it is an important direction that breaker apparatus need to stride forward to intelligence words.
Refer to shown in Fig. 1, it is circuit breaker of the prior art, we are referred to as breaker body in the present invention, described circuit breaker can be three-phase can be also single-phase, can be common miniature circuit breaker, be also can be large switch, it all comprises: a box body, common box body is made up of upper cover and under casing, and described upper cover offers a short slot, the corresponding circuit breaker in the two ends of described short slot in ON/OFF position; One handle stretches out described short slot; One under casing, is provided with circuit breaker actuating mechanism on described under casing, and end of incoming cables and leading-out terminal, and described circuit breaker on-off action mechanism triggers by described handle; Described circuit breaker actuating mechanism also comprises the linkage unit being connected with handle, the one hinged acting arm that is provided with in gangbar lower end of described linkage unit, when linkage unit under the effect at handle rotates, thereby drive described acting arm to rotate, moving contact in acting arm described in making contacts with the fixed contact on described static contact, described static contact is connected with the leading-out terminal on described under casing, thereby realize, electric current is spread out of.
But still have following defect for existing circuit breaker:
1,, in payment system, user hands in after the electricity charge circuit breaker retroactively can not automatic closing, needs electricity consumer oneself to process, thereby makes troubles to user;
2,, in the time that occurrence temperature is crossed high abnormal electricity consumption situation, existing circuit breaker opening speed is slower;
3, in the situation that multiplexing electric abnormality situation is not got rid of, user can close a floodgate, thereby may bring potential safety hazard.
In view of above-mentioned defect, creator of the present invention has obtained this creation finally through long research and practice.
Summary of the invention
The object of the invention is to, a kind of built-in circuit breaker with automatic switching-in function is provided, in order to overcome above-mentioned defect.
For achieving the above object, the technical solution used in the present invention is, a kind of built-in circuit breaker with automatic switching-in function is provided, it comprises: a breaker body, described breaker body comprises: a upper cover, described upper cover offers a short slot, the corresponding circuit breaker in the two ends of described short slot in ON/OFF position;
One handle stretches out described short slot;
One under casing, is provided with circuit breaker actuating mechanism on described under casing, and end of incoming cables and leading-out terminal, and described circuit breaker actuating mechanism triggers by described handle;
Also comprise: a loading plate, described loading plate is arranged between described upper cover and under casing, and combine with a motor-operating mechanism, described motor-operating mechanism has an actuating station, it is connected with described handle, it is under the control of an automatic switching-in control unit, by the operation of described motor-operating mechanism, from described handle is switched between open/close state;
Described motor-operating mechanism comprises: a pinion and rack and a clicking section, and described clicking section is connected with described handle;
In described under casing, be provided with a motor, described pinion and rack is converted into the rotation of described motor the reciprocating action of described clicking section, thereby described handle is switched between open/close state;
Described clicking section is a framework, and described handle passes in the middle of described framework, and described framework both sides are provided with the slide rail that can move along described chute.
For the different action principles of described motor-operating mechanism, be divided into again three kinds of execution modes, one of them, described motor-operating mechanism comprises: a pinion and rack and a clicking section, and described clicking section is connected with described handle;
In described under casing, be provided with a motor, described pinion and rack is converted into the rotation of described motor the reciprocating action of described clicking section, from described handle is switched between open/close state.
The second, described motor-operating mechanism comprises: a parallel moving mechanism and a clicking section, described clicking section is connected with described handle;
Described parallel moving mechanism promotes the reciprocating action of carrying out of described clicking section, from described handle is switched between open/close state.
The third, described motor-operating mechanism comprises: on described loading plate, be provided with a crank portion and a clicking section, described clicking section is connected with described handle;
In described under casing, be provided with a motor, described crank portion is converted into the rotation of described motor the reciprocating action of described clicking section, from described handle is switched between open/close state.
Described automatic switching-in control unit comprises:
One power acquisition collected works unit, it obtains electric power signal from described phase line, and carries out rectifying and wave-filtering processing;
One motor action control subelement, obtains described electric power signal, and in the time receiving combined floodgate order, makes described motor action, and the circuit breaker actuating mechanism described in finally realizing produces feed motion.
For short circuit or other abnormal electricity consumption situations are existed to protection, described automatic switching-in control unit also comprises:
One short circuit circuit for detecting, whether it has short circuit to occur in order to detect, and produces a dropout control signal in the time being short-circuited;
One dropout subelement, in order in the time receiving described dropout control signal, makes the described actuating mechanism that opens circuit produce the action of opening circuit.
In order to prevent circuit breaker automatic closing in the situation that extremely not getting rid of, described automatic switching-in control unit also comprises:
One from lock control subelement, it is connected with described motor action control subelement, receive described short circuit detecting subelement output one and characterize the self-locking control signal of short-circuit state, thereby make the described described motor of motor action control subelement order not produce action.
In order to realize Long-distance Control so that as the use of the functions such as pre-payment, also comprise: an external control unit, it is connected with described motor action control subelement with described dropout subelement respectively, and accepts external control signal, thereby described release and motor are produced to control action.
Wherein, described short circuit circuit for detecting comprises: the short circuit detecing element at least arranging for a phase line, it is connected with a judgment component, described judgment component, according to the state of described short circuit detecing element under the abnormal conditions that are short-circuited, produces described self-locking control signal and described dropout control signal.
For the abnormal conditions of excess Temperature, also comprise: a temperature detection subelement, it detects phase line temperature, in the time that described temperature reaches a threshold value, produces a self-locking control signal and/or dropout control signal.
Wherein, described temperature detection subelement comprises: the detector unit at least arranging for a phase line, it is connected with a judgment component, described judgment component, according to the state of described detector unit under occurrence temperature abnormal conditions, produces described self-locking control signal and/or dropout control signal.
In order to prevent that motor movement from exceeding generation infringement after certain position, also comprises: a spacing subelement, after described breaker closing, send control signal to described motor action control subelement, make motor stalling.
One of embodiment of described spacing subelement is that described spacing subelement comprises: a photoelectrical coupler, and it is after breaker closing, and its output produces a state variation, and is passed to described motor action control subelement, makes motor stalling.
Beneficial effect of the present invention is compared with the prior art, can realize the automatic closing of circuit breaker, can in the time occurring as the abnormal electricity consumption situation such as short circuit or excess Temperature, circuit breaker be disconnected, and in the situation that extremely not getting rid of, can automatic closing, being applicable to the Long-distance Control of circuit breaker, is the basic product of intelligent grid development.
Brief description of the drawings
Fig. 1 is the exploded view of existing circuit breaker;
Fig. 2 is the front view that the present invention has the built-in circuit breaker of automatic switching-in function;
Fig. 3 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment mono-of automatic switching-in function takes off after upper cover;
Fig. 3 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment mono-of automatic switching-in function;
Fig. 4 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment bis-of automatic switching-in function takes off after upper cover;
Fig. 4 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment bis-of automatic switching-in function;
Fig. 5 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment tri-of automatic switching-in function takes off after upper cover;
Fig. 5 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment tri-of automatic switching-in function;
Fig. 6 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment tetra-of automatic switching-in function takes off after upper cover;
Fig. 6 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment tetra-of automatic switching-in function.
Fig. 7 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment five of automatic switching-in function takes off after upper cover;
Fig. 7 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment five of automatic switching-in function;
Fig. 8 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment six of automatic switching-in function takes off after upper cover;
Fig. 8 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment six of automatic switching-in function;
Fig. 9 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment seven of automatic switching-in function takes off after upper cover;
Fig. 9 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment seven of automatic switching-in function;
Figure 10 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment eight of automatic switching-in function takes off after upper cover;
Figure 10 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment eight of automatic switching-in function;
Figure 11 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment nine of automatic switching-in function takes off after upper cover;
Figure 11 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment nine of automatic switching-in function;
Figure 12 A is that the present invention has the front view that the built-in circuit breaker automatic closing machine assembly embodiment ten of automatic switching-in function takes off after upper cover;
Figure 12 B is the three-dimensional exploded view that the present invention has the built-in circuit breaker automatic closing machine assembly embodiment ten of automatic switching-in function;
Figure 12 C is the preferred version that built-in circuit breaker automatic closing machine assembly embodiment ten that the present invention has an automatic switching-in function takes off the three-dimensional exploded view after upper cover
Figure 13 A is the control section circuit automatic closing control subelement schematic diagram one of the present invention's built-in circuit breaker with automatic switching-in function;
Figure 13 B is the control section circuit automatic closing control subelement schematic diagram two of the present invention's built-in circuit breaker with automatic switching-in function;
Figure 13 C is the control section circuit automatic closing control subelement schematic diagram three of the present invention's built-in circuit breaker with automatic switching-in function;
Figure 13 D is the control section circuit automatic closing control subelement schematic diagram four of the present invention's built-in circuit breaker with automatic switching-in function;
Figure 13 E is the control section circuit automatic closing control subelement schematic diagram five of the present invention's built-in circuit breaker with automatic switching-in function;
Figure 13 F is the control section circuit automatic closing control subelement schematic diagram six of the present invention's built-in circuit breaker with automatic switching-in function;
Figure 13 G is the control section circuit automatic closing control subelement schematic diagram seven of the present invention's built-in circuit breaker with automatic switching-in function;
Figure 13 H is that the automatic closing control subelement of the present invention's intelligent breaker with automatic switching-in function is realized reciprocating motion control circuit schematic diagram to motor.
embodiment
Below in conjunction with accompanying drawing, technical characterictic and the advantage with other above-mentioned to the present invention are described in more detail.
Refer to shown in Fig. 2, it has the front view of the built-in circuit breaker of automatic switching-in function for the present invention, the described intelligent breaker with automatic switching-in function comprises a breaker body, described breaker body comprises a box body, box body is to be made up of a upper cover 11, a loading plate 10 and a under casing 12, described under casing 12 is provided with inlet wire port 115 and outlet port 113, in order to realize described phase line and zero line access and to pick out; Between each inlet wire (phase line, zero line), be all provided with longitudinal division board and separate, and be connected with inlet wire sheet metal inner.
Described circuit breaker actuating mechanism is to comprise: handle 114, and the linkage unit being connected with handle 114, the one hinged acting arm that is provided with in gangbar lower end of described linkage unit, when linkage unit under the effect at handle 114 rotates, thereby drive described acting arm to rotate, moving contact in acting arm described in making contacts with the fixed contact on described static contact, described static contact is connected with the leading-out terminal on described under casing, electric current is spread out of to (this is prior art) thereby realize;
The described intelligent breaker with automatic switching-in function is made up of mechanical part and control section, for automatic switching-in function, can think to be made up of automatic closing machine assembly and automatic switching-in control unit.The present invention has the intelligent breaker of automatic switching-in function, and it comprises: a breaker body, described breaker body comprises: a upper cover 11, described upper cover offers a short slot 111, the corresponding circuit breaker in the two ends of described short slot 111 in ON/OFF position; Described handle 114 stretches out described short slot 111.
Refer to shown in Fig. 3 A and Fig. 3 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment mono-of automatic switching-in function takes off after upper cover; The described built-in circuit breaker with automatic switching-in function comprises: a loading plate 10, described loading plate is arranged between described upper cover 11 and under casing 12, and combine with a motor-operating mechanism, described motor-operating mechanism has an actuating station, it is connected with described handle 114, it is under the control of an automatic switching-in control unit, by the operation of described motor-operating mechanism, from described handle 114 is switched between open/close state.
Described motor-operating mechanism comprises: motor 215 and intermediate transmission mechanism, described intermediate transmission mechanism is placed on described loading plate 10, described intermediate transmission mechanism comprises: a pinion and rack and a clicking section 43, and described clicking section 43 is connected with described handle 114; In described under casing 12, be provided with a motor 215, it is under the control of an automatic switching-in control unit, described pinion and rack is converted into the rotation of described motor 215 reciprocating action of described clicking section 43, from described handle 114 is switched between open/close state.
Described clicking section 43 is a framework, and described handle 114 passes in the middle of described framework 43, and described framework 43 both sides are provided with the slide rail that can move along described chute 214.
Described pinion and rack comprises:
One tooth bar 41, it combines with described framework 43, can drive framework 43 reciprocating motions;
One first gear 42, it is arranged on described loading plate 10, and is meshed with described tooth bar 41, and described motor 215 output shafts are connected with the first described gear 42;
Described pinion and rack also comprises a rack-and-pinion segregant unit, with so that can separate between the first described gear 42 and tooth bar 41, on described framework 43 flanks, is provided with at least one guide and limit groove, and described gathering sill is longitudinal; Described rack-and-pinion segregant unit comprises:
At least one guide limiting stopper that is arranged at described tooth bar 41 flanks (two of adopting of the present embodiment, certain one, or multiple also can), it is corresponding with described guide and limit groove;
One traction component, it is arranged on described tooth bar 41, makes described tooth bar 41 can prolong described guide and limit groove move up and down by described traction component; Described traction component comprises:
One is arranged at the towing pad on described tooth bar;
One draw bar 441, it is through described towing pad, and described draw bar 441 upper ends are provided with traction handle;
One elastic component 442, it is set on described draw bar 441, and in order to realize the reset of traction handle, described elastic component 442 is a spring.Described upper cover 11 is provided with a breach 1151, and described traction handle sees through described breach 1151, and after described traction handle is pulled up, its lower end is against on described upper cover 11.When described draw bar 441 is raised, drive described tooth bar 41 to move along described gathering sill, thereby make to be separated between described tooth bar 41 and the first gear 42, so just can be manual stir handle 114.
Preferably, also comprise: one speed reducer, it is arranged on the output shaft of described motor 215, the output shaft of described decelerator and the first described gear 42 Joints.
Preferably, be provided with safety check switch 32 on described upper cover 11, it is corresponding with the blocking switch on described automatic switching-in control unit, in the time of maintenance, uses, and prevents from acting on breaker closing at motor 215.
Preferably, on described circuit control panel 3, be provided with some status indicator lamps 31, installing after described upper cover 11, with to reserve open-work on upper cover 11 corresponding.
At the bottom of described case, 12 are also provided with a release 15, the motion end of described release 15 is connected with a gangbar of described linkage unit by connecting rod, on described release 15 obtains from described circuit control panel 3 when the control signal of corresponding control circuit; Produce the action of threading off, the motion end of described release 15 promotes described gangbar action, thereby described moving contact is separated with described fixed contact.Described release 15 is an electromagnet, and described motion end is its armature end.
Being short-circuited or when the abnormal conditions such as overcurrent, preferably, can also comprise a mechanical automatic locking mechanism, comprising: a gag lever post 2171, described gag lever post 2171 one end are provided with a crook, it is hooked in the groove arranging in an axial gangbar, described axial gangbar can swing, and lean mutually with a linkage block of described linkage unit, the other end of described gag lever post 2171 can be stretched out by the hole 1111 arranging on described upper cover 11 (be at least align with above-mentioned hole 1111 and do not stretch out); Described gag lever post 2171 middle parts are provided with a groove, a fixture 2172 from below with described upper cover 11 concrete mutuallies, and through described groove, in described groove, be provided with back-moving spring; When occurring unusual condition, described release action, touching described axial gangbar rotates, thereby force a linkage block of described linkage unit to be rotated, and then described moving contact is separated with fixed contact, now described gag lever post 2171 crook, from described groove, skid off, owing to being provided with action of reset spring in described groove, described gag lever post 2171 moves upward, and stretches out from the hole 1111 of described upper cover, and described crook leans in described axial gangbar, thereby it can not be resetted, form self-locking.In this case, the indicative function that the gag lever post 2171 stretching out also plays proves, current circuit breaker off state is by extremely causing, if want to close a floodgate will be artificial by the gag lever post stretching out 2171 by bar 2173 by going back, make described crook from new embedded groove, thereby realize release.
Certainly above-mentioned is mechanical self-locking, if adopt the self-locking of electronics, has not conventionally needed release artificially, convenient and timely.
Refer to shown in Fig. 4 A and Fig. 4 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment bis-of automatic switching-in function takes off after upper cover; Itself and embodiment mono-obtain difference and are, have adopted the secondary gear kind of drive here, also comprise one second gear 45, and the second described gear 45 is located on described loading plate 10, and is meshed with the first described gear 42.Wherein be arranged in the described motor 215 of under casing 12 and the second described gear 45 Joints.
Refer to shown in Fig. 5 A and Fig. 5 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment tri-of automatic switching-in function takes off after upper cover; Mainly be with the difference of above-described embodiment, described motor-operating mechanism comprises: a parallel moving mechanism and a clicking section, and it is arranged on described loading plate, and described clicking section and described handle 114 lean;
Described parallel moving mechanism promotes described clicking section and carries out reciprocating action, from described handle 114 is switched between open/close state.
Wherein, described clicking section is a shift fork 51, and described shift fork 51 one end are provided with one group of mouth, and described handle 114 is placed in the described mouth of dialling, and the other end of described shift fork 51 is provided with a promotion mouth.On described loading plate 10, be provided with the first guide groove 103 paralleling with described short slot 11 and second guide groove 104, the bottom surface of described shift fork 51 is provided with one first projection 511 and the second projection 512, and described projection is embedded in described guide groove.
Described parallel moving mechanism comprises:
One motor 215, its output shaft is provided with a threaded post, and described threaded post has an end, and described motor 215 bottom sides are provided with a supporting part; On described loading plate 10, have a gap slot 102, described motor 215 is placed in described gap slot 102.
One guided bearing seat 52, it is placed on loading plate 10, and described guided bearing seat 52 has an inner thread mouth, and described threaded post screws in described inner thread mouth;
Wherein, the end of described threaded post and described supporting part are corresponding with two madial walls of the promotion mouth of described shift fork 51 respectively.
Preferably, also comprise lifting separating mechanism, use so that can separate between described shift fork 51 and parallel moving mechanism.
Described lifting separating mechanism comprises:
One is arranged at the towing pad at described shift fork 51 middle parts;
One draw bar 531, it is through described towing pad, and described draw bar 531 upper ends are provided with traction handle.
One elastic component 532, it is set on described draw bar 531, and in order to realize the reset of traction handle, the elastic component 532 herein adopting is spring.
Described upper cover 11 is provided with a breach 16, and described traction handle sees through described breach 16, and after described traction handle is pulled up, its lower end is against on described upper cover 11.
In the time that described motor 215 rotates, can be with respect to described guided bearing seat 52 translations, lean the promotion mouth of described shift fork 51, described shift fork 51 is moved along first, second described guide groove 103,104, switch between open/close state thereby realize described handle 114.
Refer to shown in Fig. 6 A and Fig. 6 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment tetra-of automatic switching-in function takes off after upper cover; Itself and embodiment tri-obtain difference and are, described clicking section is a shift fork 51, described shift fork 51 one end are provided with one group of mouth, described handle 114 is placed in the described mouth of dialling, the both wings of described shift fork are respectively arranged with connecting hole 511, and the middle part of described shift fork 51 and described loading plate 10 are coupling.
Described parallel moving mechanism comprises: a pair of electromagnet 541, 542, it is installed in respectively on described loading plate 10, electromagnet 541 described in each, connecting hole 511 described in 542 armature end and is hinged, electromagnet 541 described in two, 542 in identical operating state, be that one of them stretches out state in armature, another electromagnetism iron rule is not stretched out state in armature, will make like this to form linkage between described parallel moving mechanism and shift fork, by two electromagnet 541, alternately changing of 542 states, realize described handle 114 switches between open/close state.
Refer to shown in Fig. 7 A and Fig. 7 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment five of automatic switching-in function takes off after upper cover; Mainly be with the difference of above-described embodiment, it comprises described motor-operating mechanism: a crank portion and a clicking section, and described clicking section is connected with described handle 114; In described under casing 12, be provided with described motor 215, it is under the control of described automatic switching-in control unit, described crank portion is converted into the rotation of described motor 215 reciprocating action of described clicking section, from described handle is switched between open/close state.
Crank portion described in the present embodiment is a ratchet and pawl arrangement and connecting rod composition.Wherein said ratchet and pawl arrangement comprises: overcoat, and described overcoat has internal tooth, and described internal tooth is ratchet, has a connecting hole in the card of described overcoat; Fuse, described fuse is arranged in described internal tooth, and fuse outer rim is provided with at least one ratchet, between described ratchet and described fuse, is provided with flexible member, and wherein said ratchet is corresponding with described ratchet; Rolling bearing, is arranged between described overcoat and fuse.
Described clicking section is a framework 211, and described handle 114 passes in the middle of described framework 211, and described framework 211 both sides are provided with the slide rail that can move along described chute 214, in described framework 211, are provided with connecting hole.Between the connecting hole of the connecting hole of the overcoat described in described connecting rod 212 is placed in and described framework 211, the output shaft of described motor 215 is placed in the axis hole of described fuse; Thereby in the time that described motor 215 rotates, fuse drives overcoat to rotate, thereby described connecting rod 212 is pulled or promote described clicking section to move along described chute 214, and then described handle 114 is switched between open/close state.
Refer to shown in Fig. 8 A and Fig. 8 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment six of automatic switching-in function takes off after upper cover; This enforcement obtains difference with embodiment five and is, at the described outer connecting hole that biasing is no longer set that puts, but increase by an adapting rod 219, its one end is fixedly arranged on described overcoat middle part, be provided with a connecting hole at its other end, between the connecting hole of the connecting hole of the adapting rod 219 described in described connecting rod 212 is arranged at and described framework 211, the output shaft of described motor 215 is placed in the axis hole of described fuse; Thereby in the time of described electric machine rotation, fuse drives overcoat to rotate, thereby make described adapting rod 219 drive described connecting rod 212 to pull or promote described clicking section to move along described chute 214, and then described handle 114 is switched between open/close state.
Refer to shown in Fig. 9 A and Fig. 9 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment seven of automatic switching-in function takes off after upper cover; This enforcement obtains difference with embodiment five and is, the connecting hole of biasing is no longer set on described overcoat 2131, but increase by a disk 2132, it is fixedly arranged on described overcoat 2131, put a connecting hole in a lateral deviation of described disk 2132, between the connecting hole of the connecting hole of the disk 2132 described in described connecting rod 212 is arranged at and described framework 211, the output shaft of described motor 215 is placed in the axis hole of described fuse; Thereby in the time that described motor 215 rotates, fuse drives overcoat 2132 to rotate, thereby make described disk 2132 drive described connecting rod 212 to pull or promote described clicking section to move along described chute 214, and then described handle 114 is switched between open/close state.
Refer to shown in Figure 10 A and Figure 10 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment eight of automatic switching-in function takes off after upper cover; This enforcement obtains difference with embodiment seven and is, also comprise a gear 218, described gear 218 is located on described loading plate 10, and is connected with described motor 215 output shafts, the outer rim of described overcoat 2131 is provided with tooth, and described gear 218 is meshed with described overcoat 2131.In the time that described motor 215 rotates, driven gear 218 rotates, thereby drive overcoat 2131 to rotate, and then make described disk 2132 drive described connecting rod 212 to pull or promote described clicking section to move along described chute 214, finally make described handle 114 switch between open/close state.
Refer to shown in Figure 11 A and Figure 11 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment nine of automatic switching-in function takes off after upper cover, this enforcement obtains difference with embodiment seven and is, there is exchange in the position of described ratchet and pawl arrangement and the position of gear, on described gear 2131, be fixedly installed disk 2132, described disk 2132 biasings have connecting hole, fuse and described motor Joint (in fact also can have connecting hole just not need disk 2132 at gear 2131 upper offsets), in the time that described motor 215 rotates, thereby drive fuse to rotate, fuse drives overcoat 210 to rotate, thereby driven gear 2131 rotates, and then make described disk 2132 drive described connecting rod 212 to pull or promote described clicking section to move along described chute 214, finally make described handle 114 switch between open/close state.
Refer to shown in Figure 12 A and Figure 12 B, it is respectively the present invention and has front view and the three-dimensional exploded view that the built-in circuit breaker automatic closing machine assembly embodiment ten of automatic switching-in function takes off after upper cover; The crank portion here and clicking section and above-described embodiment five to embodiment ten have had difference, described clicking section is a shift fork 211, its middle part is located on described loading plate 10, described shift fork 211 one end are provided with one group of mouth, described handle 114 is placed in the described mouth of dialling, and the other end of described shift fork 211 is provided with a promotion mouth.Overcoat 212 biasings for ratchet and pawl arrangement have a push rod 2123; In the time that described motor 215 rotates, drive fuse rotates, thereby drive overcoat 212 to rotate, and then make described push rod 2123 promote described promotion mouth, be with and then make described shift fork 211 to rotate around described axle, finally make to switch between open/close state at the handle 114 described in described group of mouth.
Refer to shown in Figure 12 C, it is respectively built-in circuit breaker automatic closing machine assembly embodiment ten that the present invention has an automatic switching-in function and takes off the preferred version of the three-dimensional exploded view after upper cover; Itself and Figure 12 A and Figure 12 B comparison, also comprise: an adjusting seat 2121, and it is fixedly arranged on described overcoat 2123 middle parts, in the middle of described adjusting seat 2121, is provided with a short slot; One adjusts handle 61, and the projection of its lower end is corresponding with described short slot, adjusts handle 61 by rotation, drives described adjusting seat 2121 and described overcoat 2123 prolonging ratchet non operating state and rotates.Thereby can artificially manually circuit breaker handle 114 be stirred, described upper cover 11 is provided with a breach, and described adjustment handle 61 is stretched into by described breach; Here it is emphasized that the architectural characteristic due to ratchet and pawl arrangement, above-mentioned several examples also can be realized such adjustment with reference to the present embodiment six, manually circuit breaker handle 114 are stirred thereby can realize artificially, have just repeated no more here.
Refer to shown in Figure 13 A, it has the automatic switching-in control unit schematic diagram one of the intelligent breaker of automatic switching-in function for the present invention, the present embodiment is as an example of three-phase example, described control circuit comprises: a power acquisition collected works unit, it obtains current signal from described phase line, described power acquisition collected works unit relates generally to the rectifying and wave-filtering effect to phase line current, adopts three diode D1～D3 to be connected with phase line A～C respectively here, and adopts capacitor C 3 to carry out filtering;
One voltage stabilizing circuit, it comprises: capacitor C 1, the C2 of a voltage-stabiliser tube DW1 and parallel connection with it, the minus earth of wherein said capacitor C 1, the output of its anodal and described power acquisition collected works unit is connected;
One dropout subelement, in order in the time receiving a dropout control signal, makes circuit breaker produce the action of opening circuit; It comprises an electromagnet, and one end of its solenoid TQXQ obtains a unidirectional voltage (electric current) from described power acquisition collector, and its other end, by a controllable silicon SCR ground connection, is provided with a capacitor C 4 between described controllable silicon SCR control end and ground;
One short circuit circuit for detecting, whether it has short circuit to occur in order to detect, in the time being short-circuited, export a control signal, described short circuit circuit for detecting comprises: three groups of short circuit detecing elements and judgment component, described short circuit detecing element is in order to produce a variable quantity (here with tongue tube Sa being short-circuited when abnormal, Sb, Sc is example), described decision element (adopting comparator IC1-1～IC1-3 is here example) obtains a variable quantity by described short circuit detecing element place and compares with a predefined benchmark, (both quantity is consistent with phase line number), described tongue tube Sa, Sb, one end of Sc is connected with the in-phase end of described comparator IC1-1～IC1-3, the other end of described tongue tube Sa, Sb, Sc, is connected with the output of described power acquisition collected works unit, as the comparison signal of described comparator IC1-1～IC1-3, the end of oppisite phase of described comparator IC1-1～IC1-3 obtains a stable voltage signal, as reference voltage, in the present embodiment, obtain by a component piezoresistance R3, R4, wherein, one end of described divider resistance R3 is connected with capacitor C 1 negative electrode in described voltage stabilizing circuit, and the other end is connected with the output of described power acquisition collected works unit, between the output of each comparator IC1-1～IC1-3 and positive terminal, be provided with diode D7, D10, D13, tongue tube Sa, the Sb of each described short-circuit detecting circuit, Sc are connected with the control end of described controllable silicon SCR by a diode D5, D9, D12, in order to the controllable silicon SCR output dropout control signal to described,
One from lock control subelement, and it receives the signal of the sign short-circuit state of the output of described short circuit detecting subelement, thereby makes described motor not produce action; It comprises: one first triode Q2, the collector electrode of described the first triode Q2 is connected with the output of described power acquisition collected works unit, the grounded emitter of described the first triode Q2, one pull-up resistor R5 obtains the output signal of described comparator IC1-1～IC1-3, and there is the base stage of the first described triode Q2 to be connected, and described base stage is connected to the ground by resistance R 6, between the emitter and collector of the first described triode Q2, be connected with a resistance R 7;
One motor automatic closing control subelement, it comprises: one second triode Q1, the base stage of described the second triode Q1 is connected with the collector electrode of described the first diode Q2, the grounded emitter of described the second triode Q1; Described motor M one end is connected with the output of described power acquisition collected works unit, and the other end is connected with the collector electrode of described the second triode Q1;
Preferably, for mechanical structure in result match, on the circuit of described motor automatic closing control subelement, be provided with limit switch K1, reach stall behind precalculated position in order to control motor M, thereby guarantee breaker closing position;
Preferably on the circuit of described motor automatic closing control subelement, be provided with an artificial inspection switch K3 (also referred to as locking) who opens and closes, in this K switch 3 during in off-state, described motor M can not be moved under any state;
Also comprise: a dropout subelement reset circuit, it comprises: a reset key REST, its first end is connected with the control end of described controllable silicon SCR, its second end ground connection;
Preferably be provided with a LED a, LEDb, LEDc at the output of described comparator IC1-1～IC1-3, in order to play indicative function.
Refer to shown in Figure 13 B, it has the automatic closing control subelement schematic diagram two of the intelligent breaker of automatic switching-in function for the present invention, this schematic diagram must be distinguished and be with schematic diagram one, increase external control subelement, its object can meet as the needs of prepaid fee power management system, described external control subelement comprises: be provided with a unidirectional current element, as diode D16, and control element, described control element comprises the control of dropout subelement is also comprised to the control to motor automatic closing control subelement, described automatic closing control subelement comprises: one the 3rd triode Q4, its base stage receives external control signal, between its emitter and collector, be connected with a capacitor C 5, the wherein grounded emitter of the negative electrode of capacitor C 5 and described the 3rd triode Q4, the collector electrode of the 3rd described triode Q4 is connected with the control end of described controllable silicon SCR by a diode D15, in the situation that external control signal is high potential, described release does not produce the action of threading off, one the 4th triode Q3, the emitter and collector of the 4th described triode Q3 (positive-negative-positive) is arranged on described motor M automatic closing control subelement circuit, the base stage of the 4th described triode Q3 is connected with the collector electrode of the 3rd described triode Q4, in the situation that external control signal is high potential, the 4th described triode Q3 is conducting, be electronegative potential at described external control signal, described dropout subelement produces the action of threading off, and the 4th described triode Q3 is in cut-off state simultaneously, and motor automatic closing control subelement can not move.
Preferably also be provided with external control indicating circuit, it comprises: a light-emitting diodes LED pipe, and one end ground connection, the other end is connected with a resistance R 11, and in the time that external control signal is high voltage, it is in illuminating state, otherwise extinguishes.
Refer to shown in Figure 13 C, it has the automatic closing control subelement schematic diagram three of the intelligent breaker of automatic switching-in function for the present invention, the difference of the present embodiment and above-mentioned schematic diagram one is mainly, it has increased a spacing subelement accordingly, and do not adopt limit switch, thereby save space; Described spacing subelement comprises: a photoelectrical coupler IC, an input of wherein said photoelectrical coupler IC adopts diode D14 to be connected with described phase line with dropping resistor R7 here by a unidirectional current element, another input end grounding, an output head grounding of described photoelectrical coupler IC, another output is connected with the base stage of described the second triode Q1; Realize after automatic closing in described motor M, the output output electronegative potential of described photoelectrical coupler IC, thereby the second described triode Q1 is ended because base stage obtains electronegative potential, and then described motor M automatic closing control subelement is opened circuit, final motor stalling.
Refer to shown in Figure 13 D, it has the automatic closing control subelement schematic diagram four of the intelligent breaker of automatic switching-in function for the present invention, the difference of the present embodiment and above-mentioned schematic diagram one is mainly, the present embodiment is to detect for overcurrent, therefore do not using tongue tube Sa, Sb, Sc but adopt current acquisition element, that adopt here is current transformer TAa, Tab, Tac, it is separately positioned in each phase line, and be converted into voltage signal, be transferred to described comparator IC1-1～IC1-3, described comparator IC1-1～IC1-3 is not only transferred to the signal of output described self-locking and automatic combined floodgate control subelement simultaneously, be transferred to the control end of the controllable silicon SCR of described dropout subelement simultaneously, in the time that generation overcurrent is abnormal, described comparator IC1-1～IC1-3 output high potential signal is given the control end of described controllable silicon SCR, thereby make it produce the action of threading off, the reference voltage of the end of oppisite phase of the comparator IC1-1～IC1-3 described in it should be noted that is owing to having adopted slide rheostat w, so the threshold value of overcurrent comparison is adjustable.
Refer to shown in Figure 13 E, it has the automatic closing control subelement schematic diagram five of the intelligent breaker of automatic switching-in function for the present invention, the difference of the present embodiment and above-mentioned schematic diagram one is mainly, it has increased a temperature detection subelement accordingly, in order in the situation that temperature reaches certain threshold value, described circuit breaker is opened circuit, and motor is produced to auto-lock function; Described temperature detection subelement comprises: the detector unit (here to adopt temperature sensor ta, tb, tc as example) at least arranging for a phase line, it is connected with a judgment component (here to adopt comparator IC1-1～IC1-3 as example), described judgment component is according to the state of described detector unit under occurrence temperature abnormal conditions, produce a self-locking control signal and dropout control signal at least one of them.Specifically be provided with three groups of temperature sensor ta, tb, tc and comparator IC2-1～IC2-3 (both quantity is consistent with phase line number) for this enforcement, described temperature sensor ta, tb, one end of tc are connected with the in-phase end of described comparator IC2-1～IC2-3; The other end of described temperature sensor ta, tb, tc, is connected with the output of described power acquisition collected works unit, as the comparison signal of described comparator IC2-1～IC2-3; The end of oppisite phase of the comparator IC2-1～IC2-3 reaching obtains a stable voltage signal, as reference voltage; In the present embodiment, obtain by a component piezoresistance R2, R3, wherein, one end of described divider resistance R2 is connected with capacitor C 1 negative electrode in described voltage stabilizing circuit, the other end be connected with the output of described power acquisition collected works unit (sharing with described short circuit self-locking subelement); Between the output of each comparator IC2-1～IC2-3 and positive terminal, be provided with diode D22, D19, D16; Described temperature detection subelement is connected with the control end of described controllable silicon SCR by a diode D21, D17, D14, in order to the controllable silicon SCR output dropout control signal to described; Preferably a LED Ta～LEDTb is also set in order to play indicative function at the output of described comparator IC2-1～IC2-3.
Refer to shown in Figure 13 F, it has the automatic closing control subelement schematic diagram six of the intelligent breaker of automatic switching-in function for the present invention, the present embodiment is to match with the self-locking of opening circuit of above-mentioned machinery, therefore in the structure of circuit, be mainly with the difference of above-mentioned schematic diagram two, here be no longer provided with short circuit detecting unit and self-locking and automatic combined floodgate control subelement, but only adopt mechanical self-latching to be presented as that from circuit the form of short circuit lock K4 reaches object of the present invention.
Refer to shown in Figure 13 G, it has the automatic closing control subelement schematic diagram seven of the intelligent breaker of automatic switching-in function for the present invention, this schematic diagram has embodied in existing control technology realizes an intelligentized example by processor, wherein, by current transformer TAa, TAb, TAc is from power line A, B, on C, obtain the current value in every phase line, and by an analog to digital conversion circuit, be converted to corresponding digital signal, be transferred to described processor MCU, default program in described processor MCU, can judge the power information of obtaining, judge the abnormal problems such as overcurrent/short circuit, thereby export corresponding control signal, an analog power circuit, it is made up of divider resistance R1～R6, obtains magnitude of voltage to described analog to digital conversion circuit from every phase line, one digital power circuit, by voltage transformer BT after power line obtains power supply signal, after the processing of voltage stabilizing chip D, be connected with described processor MCU, for it provides power supply signal, between described digital power circuit and processor MCU, be provided with a K switch 3, in order to cut off the supply of electric power to described processor MCU, thereby in maintenance, avoid causing accident because of the unreasonable control of processor MCU, can also comprise: one group of temperature sensor IC1～IC3, it detects the temperature value of each phase line Nodes, and is converted into a digital data transmission to described processor MCU, exports a control signal while having described processor MCU judgement temperature to exceed a threshold value, one current rectifying and wave filtering circuit is made up of three diode D1～D3 and capacitor C 2 resistance R 8, it provides power supply supply for a release TQXQ, de-mouthful of coil of described release connects ground by a controllable silicon SCR, and the control end of described controllable silicon SCR is connected with an output of described processor MCU, the present invention is in order to increase new intelligent functions, described processor MCU can also be connected with a telecommunication circuit, it can carry out the mutual of data by the mode of wire/wireless and other communication equipment, thereby can receive the control signal (pre-payment combined floodgate/power-off signal) of outer end, one memory, in order to store the every data in circuit breaker, one display circuit, in order to show the detected various state informations of circuit breaker, is provided with corresponding display screen on the box body of circuit breaker, one clock circuit and keyboard circuit, it is respectively in order to provide clock signal and input command to described processor MCU, it is a variety of that these functional circuits described above say that from specific implementation corresponding circuit has, it is all well-known, those skilled in the art can specifically select as required, are not just repeating here, output PX.1, the PX.2 of described processor MCU in order to being connected from lock control subelement in embodiment above, and then the action of control motor automatic closing control subelement, also motor automatic closing control subelement that can be direct with described is connected, whether removed according to current electricity exception situation by described processor MCU, determine whether the action of the automatic closing control subelement described in need to allowing.
Refer to shown in Figure 13 H, it realizes reciprocating motion control circuit schematic diagram to motor for the automatic closing control subelement that the present invention has the intelligent breaker of automatic switching-in function, in this schematic diagram, there is the triode Q5 of four groups of PNP, Q6, Q8, Q9 and protection diode D10, D11, D13, D14, its collector electrode is connected with the anode of protection diode, the negative electrode of its emitter and diode is connected, and the positive terminal of motor is connected with the triode Q6 of two groups of PNP, Q9 and protection diode D11, D14 collector electrode, and the emitter between two groups links together, the end of oppisite phase of described motor is connected with triode Q5, the Q8 of other two groups of PNP and protection diode D10, D13 collector electrode, and two groups between emitter link together, one first unilateral diode D9, its anode is connected with the positive terminal of described motor, and its negative electrode is connected with processor one control end PX.2, one second unilateral diode D12, its anode is connected with the end of oppisite phase of described motor, its negative electrode be connected with processor one control end PX.1 (referring to shown in Figure 13 G), the base stage of described PNP triode Q9 is connected with the emitter of a PNP triode Q7, and the base stage of described PNP triode Q7 is connected with described control end PX.1, the base stage of described PNP triode Q8 is connected with the emitter of a PNP triode Q4, and the base stage of described PNP triode Q4 is connected with described control end PX.2, and the collector electrode utmost point of described PNP triode Q4 is connected with described PNP triode Q6 base stage, described PNP triode Q5 base stage is connected with described PNP triode Q7 collector electrode, described PNP triode Q6 base stage is connected with described PNP triode Q4 collector electrode simultaneously.By the output signal of processor control end PX.1 and PX.2, thus the rotating of control motor, thus realize the reciprocating motion of corresponding actions mechanism.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and in the spirit and scope that limit, can carry out many changes to it in the claims in the present invention, amendment, and even equivalence, but all will fall within the scope of protection of the present invention.

Claims (42)

1. a built-in circuit breaker with automatic switching-in function, it comprises: a breaker body, described breaker body comprises: a upper cover, described upper cover offers a short slot, the corresponding circuit breaker in the two ends of described short slot in ON/OFF position;
One handle stretches out described short slot;
One under casing, is provided with circuit breaker actuating mechanism on described under casing, and end of incoming cables and leading-out terminal, and described circuit breaker actuating mechanism triggers by described handle;
It is characterized in that: also comprise: a loading plate, described loading plate is arranged between described upper cover and under casing, and described loading plate offers the opening corresponding with described short slot, is provided with chute in the both sides of described opening; And combine with a motor-operating mechanism, described motor-operating mechanism has an actuating station, and it is connected with described handle, and it is under the control of an automatic switching-in control unit, by the operation of described motor-operating mechanism, thereby described handle is switched between open/close state;
Described automatic switching-in control unit comprises:
One power acquisition collected works unit, it obtains electric power signal from phase line, and carries out rectifying and wave-filtering processing;
One Electric Machine Control subelement, obtains described electric power signal, and in the time receiving combined floodgate order, makes motor action, the circuit breaker actuating mechanism generation feed motion that final realization is described;
Described motor-operating mechanism comprises: a pinion and rack and a clicking section, and described clicking section is connected with described handle;
In described under casing, be provided with a motor, described pinion and rack is converted into the rotation of described motor the reciprocating action of described clicking section, thereby described handle is switched between open/close state;
Described clicking section is a framework, and described handle passes in the middle of described framework, and described framework both sides are provided with the slide rail that can move along described chute.
2. the built-in circuit breaker with automatic switching-in function according to claim 1, is characterized in that, described pinion and rack comprises:
One tooth bar, it combines with described framework, can drive framework reciprocating motion; ;
One first gear, it is arranged on described loading plate, and is meshed with described tooth bar.
3. the built-in circuit breaker with automatic switching-in function according to claim 2, is characterized in that, described pinion and rack also comprises one second gear, and the second described gear is located on described loading plate, and is meshed with the first described gear.
4. according to the built-in circuit breaker with automatic switching-in function described in claim 2 or 3, it is characterized in that, described pinion and rack also comprises a rack-and-pinion segregant unit, uses so that can separate between the first described gear and tooth bar.
5. the built-in circuit breaker with automatic switching-in function according to claim 4, is characterized in that,
On described framework flank, be provided with at least one guide and limit groove;
Described rack-and-pinion segregant unit comprises:
At least one guide limiting stopper that is arranged at described tooth bar flank, it is corresponding with described guide and limit groove;
One traction component, it is opened on described tooth bar, by described traction component, described tooth bar can be moved up and down along described guide and limit groove.
6. the built-in circuit breaker with automatic switching-in function according to claim 5, is characterized in that, described traction component comprises:
One is arranged at the towing pad on described tooth bar;
One draw bar, it is through described towing pad, and described draw bar upper end is provided with traction handle;
One elastic component, it is set on described draw bar, in order to realize the reset of traction handle.
7. the built-in circuit breaker with automatic switching-in function according to claim 6, it is characterized in that, cover on described and be provided with a breach, described traction handle is by described breach, after described traction handle is pulled up, its lower end is against on described and covers.
8. according to the built-in circuit breaker with automatic switching-in function described in claim 2 or 3, it is characterized in that, described motor-operating mechanism also comprises: one speed reducer, it is arranged on the output shaft of described motor.
9. the built-in circuit breaker with automatic switching-in function according to claim 1, is characterized in that, described motor-operating mechanism comprises: a parallel moving mechanism and a clicking section, and described clicking section is connected with described handle;
Described parallel moving mechanism promotes the reciprocating action of carrying out of described clicking section, from described handle is switched between open/close state.
10. the built-in circuit breaker with automatic switching-in function according to claim 9, it is characterized in that, described clicking section is a shift fork, and described shift fork one end is provided with one group of mouth, described handle is placed in the described mouth of dialling, and the other end of described shift fork is provided with a promotion mouth.
11. built-in circuit breakers with automatic switching-in function according to claim 10, it is characterized in that, on described loading plate, be provided with the guide groove that at least one and described short slot parallels, the bottom surface of described clicking section is provided with a projection, and described projection is embedded in guide groove.
12. according to the built-in circuit breaker with automatic switching-in function described in claim 10 or 11, it is characterized in that, described parallel moving mechanism comprises:
One motor, its output shaft is provided with a threaded post, and described threaded post has an end, and described motor bottom side is provided with a supporting part;
One guided bearing seat, it is placed in loading plate, and described guided bearing seat has an inner thread mouth, and described threaded post screws in described inner thread mouth;
Wherein, the end of described threaded post is corresponding with two madial walls of described promotion mouth respectively with described supporting part.
13. built-in circuit breakers with automatic switching-in function according to claim 12, is characterized in that, have a gap slot on described loading plate, and described motor is placed in described gap slot.
14. built-in circuit breakers with automatic switching-in function according to claim 13, is characterized in that, described built-in circuit breaker also comprises lifting separating mechanism, use so that can separate between described shift fork and parallel moving mechanism.
15. built-in circuit breakers with automatic switching-in function according to claim 14, is characterized in that, described lifting separating mechanism comprises:
One is arranged at the towing pad at described shift fork middle part;
One draw bar, it is through described towing pad, and described draw bar upper end is provided with traction handle;
One elastic component, it is set on described draw bar, in order to realize the reset of traction handle.
16. built-in circuit breakers with automatic switching-in function according to claim 15, it is characterized in that, cover on described and be provided with a breach, described traction handle is by described breach, after described traction handle is pulled up, its lower end is against on described and covers.
17. built-in circuit breakers with automatic switching-in function according to claim 9, it is characterized in that, described clicking section is a shift fork, described shift fork one end is provided with one group of mouth, described handle is placed in the described mouth of dialling, the both wings of described shift fork are respectively arranged with connecting hole, and the middle part of described shift fork and described loading plate are coupling.
18. built-in circuit breakers with automatic switching-in function according to claim 17, it is characterized in that, described parallel moving mechanism comprises: a pair of electromagnet, it is installed in respectively on described loading plate, connecting hole described in electromagnet armature end and described in each is hinged, and the electromagnet described in two is not in identical operating state.
19. built-in circuit breakers with automatic switching-in function according to claim 1, it is characterized in that, described motor-operating mechanism comprises: on described loading plate, be provided with a crank portion and a clicking section, described clicking section is connected with described handle;
In described under casing, be provided with a motor, described crank portion is converted into the rotation of described motor the reciprocating action of described clicking section, from described handle is switched between open/close state.
20. built-in circuit breakers with automatic switching-in function according to claim 19, is characterized in that, described crank portion is a ratchet and pawl arrangement and connecting rod composition.
21. built-in circuit breakers with automatic switching-in function according to claim 19, is characterized in that, described crank portion is a ratchet and pawl arrangement and push rod composition.
22. built-in circuit breakers with automatic switching-in function according to claim 21, is characterized in that, described loading plate offers the opening corresponding with described short slot;
Described clicking section is a shift fork, and its middle part is located on described loading plate, and described shift fork one end is provided with one group of mouth, and described handle is placed in the described mouth of dialling, and the other end of described shift fork is provided with a promotion mouth.
23. built-in circuit breakers with automatic switching-in function according to claim 20, it is characterized in that, described clicking section is a framework, described handle passes in the middle of described framework, described framework both sides are provided with the slide rail that can move along described chute, in described framework, are provided with connecting hole.
24. built-in circuit breakers with automatic switching-in function according to claim 21, is characterized in that; Described ratchet and pawl arrangement comprises:
Overcoat, described outer tackling internal tooth, described internal tooth is ratchet;
Fuse, described fuse is arranged in described internal tooth, and fuse outer rim is provided with at least one ratchet, between described ratchet and described fuse, is provided with flexible member, and wherein said ratchet is corresponding with described ratchet;
Rolling bearing, is arranged between described overcoat and fuse.
25. built-in circuit breakers with automatic switching-in function according to claim 23, is characterized in that; Described ratchet and pawl arrangement comprises:
Overcoat, described overcoat has internal tooth, and described internal tooth is ratchet;
Fuse, described fuse is arranged in described internal tooth, and fuse outer rim is provided with at least one ratchet, between described ratchet and described fuse, is provided with flexible member, and wherein said ratchet is corresponding with described ratchet;
Rolling bearing, is arranged between described overcoat and fuse.
26. built-in circuit breakers with automatic switching-in function according to claim 25, is characterized in that, an adjusting seat, and it is fixedly arranged on described overcoat middle part, is provided with a short slot in the middle of described adjusting seat;
One adjusts handle, and the projection of its lower end is corresponding with described short slot, adjusts handle by rotation, drives described adjusting seat and described overcoat to rotate along ratchet non operating state;
On described, cover and be provided with a breach, described adjustment handle is stretched into by described breach.
27. built-in circuit breakers with automatic switching-in function according to claim 24, it is characterized in that, described built-in circuit breaker also comprises a gear, and described gear is located on described loading plate, the outer rim of described overcoat is provided with tooth, and described gear is meshed with described overcoat.
28. built-in circuit breakers with automatic switching-in function according to claim 26, it is characterized in that, described built-in circuit breaker also comprises that a disk is fixedly installed on described outer putting, described disk upper offset has a connecting hole, by described connecting rod, the connecting hole of the framework on described outer connecting hole and the clicking section that puts disk is linked together, thereby make described electric machine rotation drive described crank portion to rotate, thereby make described connecting rod pull/promote described clicking section motion.
29. built-in circuit breakers with automatic switching-in function according to claim 26, it is characterized in that, described overcoat upper offset has a connecting hole, by described connecting rod, the connecting hole of the framework on described outer connecting hole and the clicking section putting is linked together, thereby make described electric machine rotation drive described crank portion to rotate, thereby make described connecting rod pull/promote described clicking section motion.
30. built-in circuit breakers with automatic switching-in function according to claim 26, it is characterized in that, described gear upper offset has a connecting hole, by described connecting rod, the connecting hole of the framework on the connecting hole on described gear and clicking section is linked together, thereby make described electric machine rotation drive described crank portion to rotate, thereby make described connecting rod pull/promote described clicking section motion.
31. built-in circuit breakers with automatic switching-in function according to claim 24, it is characterized in that, one adapting rod, its one end is fixedly arranged on described overcoat middle part, be provided with a connecting hole at its other end, between the connecting hole of the framework on connecting hole and the clicking section of the adapting rod described in described push rod is arranged at.
32. built-in circuit breakers with automatic switching-in function according to claim 1, is characterized in that, described automatic switching-in control unit also comprises:
One short circuit circuit for detecting, whether it has short circuit to occur in order to detect, and produces a dropout control signal in the time being short-circuited;
One dropout subelement, in order in the time receiving described dropout control signal, makes the described actuating mechanism that opens circuit produce the action of opening circuit.
33. built-in circuit breakers with automatic switching-in function according to claim 32, is characterized in that, described automatic switching-in control unit also comprises:
One from lock control subelement, and it is connected with described Electric Machine Control subelement, receives from one of described short circuit circuit for detecting output and characterizes the self-locking control signal of short-circuit state, thereby make the described described motor of Electric Machine Control subelement order not produce action.
34. built-in circuit breakers with automatic switching-in function according to claim 33, it is characterized in that, described built-in circuit breaker also comprises: an external control unit, it is connected with described Electric Machine Control subelement with described dropout subelement respectively, and accept external control signal, thereby described dropout subelement and motor are produced to control action.
35. built-in circuit breakers with automatic switching-in function according to claim 34, it is characterized in that, described short circuit circuit for detecting comprises: the short circuit detecing element at least arranging for a phase line, it is connected with a judgment component, described judgment component, according to the state of described short circuit detecing element under the abnormal conditions that are short-circuited, produces described self-locking control signal and described dropout control signal.
36. built-in circuit breakers with automatic switching-in function according to claim 35, it is characterized in that, described built-in circuit breaker also comprises: a temperature detection subelement, it detects phase line temperature, in the time that described temperature reaches a threshold value, produce a self-locking control signal and/or dropout control signal.
37. built-in circuit breakers with automatic switching-in function according to claim 36, it is characterized in that, described temperature detection subelement comprises: the detector unit at least arranging for a phase line, it is connected with a judgment component, described judgment component, according to the state of described detector unit under occurrence temperature abnormal conditions, produces described self-locking control signal and/or dropout control signal.
38. built-in circuit breakers with automatic switching-in function according to claim 1, it is characterized in that, described built-in circuit breaker also comprises: a spacing subelement, after described breaker closing, send control signal to described Electric Machine Control subelement, make motor stalling.
39. according to the built-in circuit breaker with automatic switching-in function described in claim 38, it is characterized in that, described spacing subelement comprises: a photoelectrical coupler, it is after breaker closing, its output produces a state variation, and passed to described Electric Machine Control subelement, make motor stalling.
40. intelligent breakers with automatic switching-in function according to claim 1, it is characterized in that, described built-in circuit breaker also comprises: a processor, it is connected with described power acquisition collected works unit by an analog to digital conversion circuit, in order to according to the electric current of programmed decision collection default in described processor or/and whether voltage exists extremely, and export accordingly control signal.
41. according to the intelligent breaker with automatic switching-in function described in claim 40, it is characterized in that, described built-in circuit breaker also comprises: a display circuit or memory circuit or telecommunication circuit at least one of them, it is connected with described processor.
42. according to the intelligent breaker with automatic switching-in function described in claim 40, it is characterized in that, described built-in circuit breaker also comprises: a keyboard circuit, it is connected with described processor, in order to the corresponding order of processor input to described.
CN200910179587.6A 2009-09-29 2009-09-29 Built-in circuit breaker with automatic switch-on function Active CN101789336B (en)

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CN200910179587.6A CN101789336B (en) 2009-09-29 2009-09-29 Built-in circuit breaker with automatic switch-on function
JP2012531210A JP5514318B2 (en) 2009-09-29 2010-06-11 Intelligent circuit breaker with automatic switching-in function
PCT/CN2010/000831 WO2011038567A1 (en) 2009-09-29 2010-06-11 Intelligent breaker with function of automatic closing
US13/434,831 US8913365B2 (en) 2009-09-29 2012-03-29 Circuit breaker
US13/433,515 US9064666B2 (en) 2009-09-29 2012-03-29 Circuit breaker
US14/735,107 US9530577B2 (en) 2009-09-29 2015-06-09 Circuit breaker

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CN103311058B (en) * 2013-05-10 2015-07-22 长城电器集团有限公司 Operating mechanism of electricity leakage reclosure circuit breaker
CN103325635A (en) * 2013-06-05 2013-09-25 苏州未来电器有限公司 Ultrathin flat type electric operating device
CN103681135A (en) * 2013-12-06 2014-03-26 德力西电气有限公司 Reclosure mechanism of disconnector
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CN110416033B (en) * 2019-06-20 2021-03-23 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） Electric operating mechanism of stepping molded case circuit breaker

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Denomination of invention: Built-in circuit breaker with automatic closing function

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