CN103594293A - C type intelligent breaker having automatic closing function - Google Patents
C type intelligent breaker having automatic closing function Download PDFInfo
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- CN103594293A CN103594293A CN201310280333.XA CN201310280333A CN103594293A CN 103594293 A CN103594293 A CN 103594293A CN 201310280333 A CN201310280333 A CN 201310280333A CN 103594293 A CN103594293 A CN 103594293A
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Abstract
The invention relates to a C type intelligent breaker having an automatic closing function. The C type intelligent breaker having the automatic closing function comprises a breaker body, wherein the breaker body comprises an upper cover, a handle, a bottom case and a bearing board, the upper cover is provided with a groove, two ends of the groove respectively correspond to opening/closing positions of the breaker, the handle stretches out of the groove, the bottom case is provided with a breaker motion mechanism, a wire incoming end and a wire outgoing end, the breaker on-off motion mechanism is triggered through the handle, the bearing board is arranged between the upper cover and the bottom case, the bearing board is provided with a translation mechanism and a toggle portion, the toggle portion presses against the handle, under the control of an automatic closing control unit, the translation mechanism pushes the toggle portion to do reciprocating motion, so the handle is enabled to switch between opening/closing states.
Description
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 assurance 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 comprised 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, under the effect at handle, linkage unit 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,, when 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, provide a kind of C type intelligent breaker with automatic switching-in function, in order to overcome above-mentioned defect.
For achieving the above object, the technical solution used in the present invention is, a kind of C type intelligent 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 on-off action mechanism triggers by described handle;
Also comprise: a loading plate, described loading plate is arranged between described upper cover and under casing, is provided with a parallel moving mechanism and a clicking section on described loading plate, and described clicking section and described handle lean;
Under the control of an automatic switching-in control unit, described parallel moving mechanism promotes described clicking section and carries out reciprocating action, from described handle is switched between open/close state.
Described clicking section is a shift fork, 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 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.
The parallel moving mechanism corresponding with above-mentioned clicking section comprises: 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, the electromagnet described in two not in identical operating state.
Beneficial effect of the present invention is compared with the prior art, can realize the automatic closing of circuit breaker, is applicable to the Long-distance Control of circuit breaker, is the basic product of intelligent grid development.
Accompanying drawing explanation
Fig. 1 is the exploded view of existing circuit breaker;
Fig. 2 is the front view that the present invention has the C type intelligent breaker of automatic switching-in function;
Fig. 3 A is that the present invention has the front view that the C type intelligent 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 C type intelligent 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 C type intelligent breaker automatic closing machine assembly embodiment bis-of automatic switching-in function takes off after upper cover;
Fig. 4 B is that the present invention has the front view that the C type intelligent breaker automatic closing machine assembly embodiment bis-of automatic switching-in function takes off after upper cover;
Fig. 5 A is that the control section circuit automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement schematic diagram one;
Fig. 5 B is that the control section circuit automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement schematic diagram two;
Fig. 5 C is that the control section circuit automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement schematic diagram three;
Fig. 5 D is that the control section circuit automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement schematic diagram four;
Fig. 5 E is that the control section circuit automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement schematic diagram five;
Fig. 5 F is that the control section circuit automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement schematic diagram six;
Fig. 5 G is that the control section circuit automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement schematic diagram seven;
Fig. 5 H is that the automatic closing of the present invention's C type intelligent breaker with automatic switching-in function is controlled subelement motor is realized to reciprocating motion control circuit schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, to the present invention is above-mentioned, be described in more detail with other technical characterictic and advantage.
Refer to shown in Fig. 2, it has the front view of the C type intelligent breaker of automatic switching-in function for the present invention, the described C type intelligent breaker with automatic switching-in function comprises a breaker body, described breaker body comprises a box body, box body is to consist 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, under the effect at handle 114, linkage unit 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 to (this is prior art);
The described C type intelligent breaker with automatic switching-in function is comprised of mechanical part and control section, for automatic switching-in function, can think to be comprised of automatic closing machine assembly and automatic switching-in control unit.The present invention has the C type intelligent breaker of automatic switching-in function, 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 C type intelligent breaker automatic closing machine assembly embodiment mono-of automatic switching-in function takes off after upper cover; The described C type intelligent breaker with automatic switching-in function comprises: a loading plate 10, described loading plate 10 is arranged between described upper cover 11 and under casing 12, described loading plate 10 offers the opening corresponding with described short slot 101, on described loading plate, be provided with a parallel moving mechanism and a clicking section, 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 the 511 and 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, with so that can be separated 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.
When 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, thereby realize described handle 114, between open/close state, switch.
Preferably, also comprise: one speed reducer, it is arranged on the output shaft of described motor 215, the output shaft of described decelerator and described threaded post Joint.
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, when maintenance, uses, and prevents at motor 215 effect breaker closings.
Preferably, on described circuit control panel 3, be provided with some status indicator lamps 31, after described upper cover 11 is installed, with to reserve open-work on upper cover 11 corresponding.
At the bottom of described case, be also provided with a release, the motion end of described release is connected with a gangbar of described linkage unit by connecting rod, on described release obtains from described circuit control panel during the control signal of corresponding control circuit; Produce the action of threading off, the motion end of described release promotes described gangbar action, thereby makes described moving contact separated with described fixed contact.Described release is an electromagnet, and described motion end is its armature end.
Be short-circuited or during 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 make described moving contact separated with fixed contact, gag lever post 2171 crook now, 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 from the hole 1111 of described upper cover, stretches out, 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 C type intelligent 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, 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. 5 A, it has the automatic switching-in control unit schematic diagram one of the C type intelligent breaker of automatic switching-in function for the present invention, the present embodiment take that three-phase is 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 the power acquisition collected works unit that it is anodal and described is connected;
One dropout subelement, in order to when 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, when 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, by a component piezoresistance R3, R4, obtain, 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, the signal of the sign short-circuit state of the output of the short circuit detecting subelement that its reception is described, thus make 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 is controlled subelement, and it comprises: one second triode Q1, and 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, at described motor automatic closing, control on the circuit of subelement and be provided with limit switch K1, in order to control motor M, reach stall behind precalculated position, thereby guarantee breaker closing position;
Preferably on described motor automatic closing is controlled the circuit of 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 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 the output at described comparator IC1-1～IC1-3 is provided with a LED a, LEDb, LEDc, in order to play indicative function.
Refer to shown in Fig. 5 B, it controls subelement schematic diagram two for the automatic closing that the present invention has the C type intelligent breaker of automatic switching-in function, this schematic diagram must be distinguished and be with schematic diagram one, increased 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 of motor automatic closing being controlled to subelement, described automatic closing is controlled subelement and is comprised: 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 at described motor M automatic closing and controls on 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, in the situation that described external control signal is electronegative potential, described dropout subelement generation is threaded off and is moved, and the 4th described triode Q3 is in cut-off state simultaneously, i.e. 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 when external control signal is high voltage, it is in illuminating state, otherwise extinguishes.
Refer to shown in Fig. 5 C, it controls subelement schematic diagram three for the automatic closing that the present invention has the C type intelligent breaker of automatic switching-in function, 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 saved 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; In described motor M, realize after automatic closing, 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 Fig. 5 D, it controls subelement schematic diagram four for the automatic closing that the present invention has the C type intelligent breaker of automatic switching-in function, 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 and controls subelement simultaneously, be transferred to the control end of the controllable silicon SCR of described dropout subelement simultaneously, when 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 Fig. 5 E, it controls subelement schematic diagram five for the automatic closing that the present invention has the C type intelligent breaker of automatic switching-in function, 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 at least arranging for phase line (take here adopt temperature sensor ta, tb, tc be example), it is connected with a judgment component (the employing comparator IC1-1～IC1-3 of take is here 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 for this enforcement, 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), 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 described comparator IC2-1～IC2-3 obtains a stable voltage signal, as reference voltage; In the present embodiment, by a component piezoresistance R2, R3, obtain, 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 the output at described comparator IC2-1～IC2-3 also arranges a LED Ta～LEDTb in order to play indicative function.
Refer to shown in Fig. 5 F, it controls subelement schematic diagram six for the automatic closing that the present invention has the C type intelligent breaker of automatic switching-in function, 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 and control subelement, but only adopt mechanical self-latching from circuit, to be presented as that the form of short circuit lock K4 reaches object of the present invention.
Refer to shown in Fig. 5 G, it controls subelement schematic diagram seven for the automatic closing that the present invention has the C type intelligent breaker of automatic switching-in function, 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 comprised of divider resistance R1～R6, from every phase line, obtains magnitude of voltage to described analog to digital conversion circuit, 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 comprised 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 mode and other the communication equipment of wire/wireless, 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 provides clock signal and input command in order to the processor MCU to described respectively, it is a variety of that these functional circuits described above say that from specific implementation corresponding circuit has, and is all well-known, and those skilled in the art can specifically select as required, just do not 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 control motor automatic closing is controlled the action of subelement, also motor automatic closing that can be direct with described is controlled subelement and is connected, by described processor MCU, according to current electricity exception situation, whether removed, determine whether the action that need to allow described automatic closing control subelement.
Refer to shown in Fig. 5 H, its automatic closing that has a C type intelligent breaker of automatic switching-in function for the present invention is controlled subelement motor is realized to reciprocating motion control circuit schematic diagram, in this schematic diagram, the triode Q5 that has 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 Fig. 5 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, revise, and even equivalence, but all will fall within the scope of protection of the present invention.
Claims (2)
1. a C type intelligent 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 on-off action 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, is provided with a parallel moving mechanism and a clicking section on described loading plate, and described clicking section and described handle lean;
Under the control of an automatic switching-in control unit, described parallel moving mechanism promotes described clicking section and carries out reciprocating action, thereby described handle is switched between open/close state;
Described clicking section is a shift fork, 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 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.
2. the C type intelligent breaker with automatic switching-in function according to claim 1, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310280333.XA CN103594293B (en) | 2009-09-29 | 2009-09-29 | There is the C type intelligent breaker of automatic switching-in function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310280333.XA CN103594293B (en) | 2009-09-29 | 2009-09-29 | There is the C type intelligent breaker of automatic switching-in function |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910179275.5A Division CN101807495B (en) | 2009-09-29 | 2009-09-29 | C type intelligent circuit breaker with automatic switch-on function |
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| Publication Number | Publication Date |
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| CN103594293A true CN103594293A (en) | 2014-02-19 |
| CN103594293B CN103594293B (en) | 2016-06-08 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1073744C (en) * | 1996-09-19 | 2001-10-24 | 富士电机株式会社 | Circuit breaker |
| CN2332064Y (en) * | 1998-04-02 | 1999-08-04 | 莫建平 | Electric operation mechanism of circuit breaker |
| US6590481B2 (en) * | 2000-12-28 | 2003-07-08 | Eaton Corporation | Fast acting, electrically powered operator for transfer switch and transfer switch incorporating same |
| CN101188178B (en) * | 2007-11-30 | 2011-01-19 | 赵建清 | Electric leakage current breaker |
| CN201156505Y (en) * | 2008-01-03 | 2008-11-26 | 金农 | Intelligent digital leakage protector |
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| CN103594293B (en) | 2016-06-08 |
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Denomination of invention: C-type intelligent circuit breaker with automatic closing function Effective date of registration: 20230331 Granted publication date: 20160608 Pledgee: Bank of China Limited Wuhan Hanyang sub branch Pledgor: HUBEI SHENGJIA WIRING Co.,Ltd. Registration number: Y2023420000144 |