Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of phasing electricity consumption judgment means is provided, and it has volume advantage little, easy to use, and the civil power input gets final product, and need not the external dc module.
The technical scheme that realizes above-mentioned purpose is: a kind of phasing electricity consumption judgment means, wherein, comprise that one has the alternating voltage phase place judge module of 5 ports, described 5 ports are respectively end L, the end N of the conventional zero line of access, the end S that access needs the phase voltage of use of the phase voltage that inserts the reality use, and two action drives port end P1 and end P2, described alternating voltage phase place judge module comprises a two-way precision photoelectric coupler U1, the first triode Q1, second triode Q2 and the controllable silicon SCR, wherein:
The input end of described bidirectional linear photoelectrical coupler U1 links to each other with described end L by one first resistance, also links to each other with the anode of one first diode D1 by this first resistance, and the negative electrode of this first diode D1 links to each other with the anode of described controllable silicon SCR;
Described bidirectional linear photoelectrical coupler U1 another input end link to each other with the anode of one second diode D2 by one second resistance, the negative electrode of this second diode D2 links to each other with the negative electrode of described end S and one the 3rd diode D3 respectively, and the anode of the 3rd diode D 3 links to each other with the base stage of the described second triode Q2 with 1 the 11 resistance R 101 by one the 9th resistance that is connected in series;
The output terminal of described bidirectional linear photoelectrical coupler U1 links to each other with described end P2, and a voltage stabilizing diode DZ1 who passes through parallel connection links to each other with one the 3rd resistance with one first electrochemical capacitor C1, the positive pole of the first electrochemical capacitor C1 links to each other with described the 3rd resistance, the other end of the 3rd resistance links to each other with the negative electrode of the described first diode D1, and an end that links to each other with the first electrochemical capacitor C1 of the 3rd resistance also links to each other with the collector of the described first triode Q1 by one the 5th resistance R 5;
Another output terminal of described bidirectional linear photoelectrical coupler U1 also links to each other with the collector of one the 6th resistance R 6, the 4th capacitor C 4, the second triode Q2 respectively, it links to each other with the base stage of the described first triode Q1 by the 6th resistance R 6, and links to each other with described end P2 by the 4th capacitor C 4;
The collector of the described first triode Q1 extremely links to each other with the control of described controllable silicon SCR, emitter links to each other with described end P2, be parallel with the second diode D2 and second capacitor C 2 between the collector and emitter of this first triode Q1, the negative electrode of the described second diode D2 links to each other with the collector of the first triode Q1, and anode links to each other with the emitter of the first triode Q1;
The collector of the described second diode Q2 also links to each other with the positive pole of the described first electrochemical capacitor C1 by one the 4th resistance R 4, and emitter links to each other with described end P2;
The negative electrode of described controllable silicon SCR links to each other with described end P2;
Also be connected with one the 3rd electrochemical capacitor C3 between an end that is connected with the 11 resistance R 101 of described the 9th resistance and the described end P2, the positive pole of the 3rd electrochemical capacitor C3 links to each other with end P2, and negative pole links to each other with the positive pole of the described first electrochemical capacitor C1 by 1 the 12 resistance R 102;
Described end N links to each other with described end P1, also by a variable resistor R
ZLink to each other with described end L.
Above-mentioned phasing electricity consumption judgment means, wherein, described the first, second, third, the 9th resistance constitutes by two resistance that are connected in series.
Above-mentioned phasing electricity consumption judgment means, wherein, described alternating voltage phase place judge module adopts the encapsulation of epoxy resin thick film.
The beneficial effects of the utility model are: the utility model is applicable to low-voltage 0~380V, volume is little, easy to use, in the electric circuit of needs use stationary phase voltage, do and differentiate and the control use, can be used as the low-voltage circuit breaker annex uses, also can cooperate various isolating switchs, contactor to use, judge whether actual working voltage phase place is the phase place that needs working voltage.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, there is shown a kind of phasing electricity consumption judgment means of the present utility model, comprise that one has the alternating voltage phase place judge module 1 of 5 ports, these 5 ports are respectively end L, the end N of the conventional zero line of access, the end S that access needs the phase voltage of use of the phase voltage that inserts the reality use, and two action drives port end P1 and end P2, end P1 and end P2 can drive electron devices such as relay, electrical apparatus release.
See also Fig. 2, there is shown the alternating voltage phase place judge module 1 of phasing electricity consumption judgment means of the present utility model, it comprises a two-way precision photoelectric coupler U1, the first triode Q1, second triode Q2 and the controllable silicon SCR, wherein:
The input end of bidirectional linear photoelectrical coupler U1 links to each other with end L by one first resistance, also links to each other with the anode of one first diode D1 by this first resistance, and the negative electrode of this first diode D1 links to each other with the anode of controllable silicon SCR;
Bidirectional linear photoelectrical coupler U1 another input end link to each other with the anode of one second diode D2 by one second resistance, the negative electrode of this second diode D2 links to each other with the negative electrode of end S and one the 3rd diode D 3 respectively, and the anode of the 3rd diode D3 links to each other with the base stage of the second triode Q2 with 1 the 11 resistance R 101 by one the 9th resistance that is connected in series;
The output terminal of bidirectional linear photoelectrical coupler U1 links to each other with end P2, and a voltage stabilizing diode DZ1 who passes through parallel connection links to each other with one the 3rd resistance with one first electrochemical capacitor C1, the positive pole of the first electrochemical capacitor C1 links to each other with the 3rd resistance, the other end of the 3rd resistance links to each other with the negative electrode of the first diode D1, and an end that links to each other with the first electrochemical capacitor C1 of the 3rd resistance also links to each other with the collector of the first triode Q1 by one the 5th resistance R 5;
Another output terminal of bidirectional linear photoelectrical coupler U1 also links to each other with the collector of one the 6th resistance R 6, the 4th capacitor C 4, the second triode Q2 respectively, it links to each other with the base stage of the first triode Q1 by the 6th resistance R 6, and links to each other with end P2 by the 4th capacitor C 4;
The collector of the first triode Q1 extremely links to each other with the control of controllable silicon SCR, emitter links to each other with end P2, be parallel with the second diode D2 and second capacitor C 2 between the collector and emitter of this first triode Q1, the negative electrode of the second diode D2 links to each other with the collector of the first triode Q1, and anode links to each other with the emitter of the first triode Q1;
The collector of the second diode Q2 also links to each other with the positive pole of the first electrochemical capacitor C1 by one the 4th resistance R 4, and emitter links to each other with end P2;
The negative electrode of controllable silicon SCR links to each other with end P2;
Also be connected with one the 3rd electrochemical capacitor C3 between an end that is connected with the 11 resistance R 101 of the 9th resistance and the end P2, the positive pole of the 3rd electrochemical capacitor C3 links to each other with end P2, and negative pole links to each other with the positive pole of the first electrochemical capacitor C1 by 1 the 12 resistance R 102;
End N links to each other with described end P1, also by a variable resistor R
ZL links to each other with end.
In the present embodiment, first, second, third, the 9th resistance constitutes by two resistance that are connected in series, first resistance is made of the first zero resistance R10 and the one one resistance R 11 that are connected in series, second resistance is made of the second zero resistance R20 and the 21 resistance R 21 that are connected in series, the 3rd resistance is made of the 3rd zero resistance R30 and the 31 resistance R 31 that are connected in series, and the 9th resistance is made of the 91 resistance R 91 and the 92 resistance R 92 that are connected in series;
In the present embodiment, alternating voltage phase place judge module 1 adopts the encapsulation of epoxy resin thick film, is welded on the motherboard with the pin form.
Principle of work of the present utility model: if end L is different with end S voltage-phase, then bidirectional linear photoelectrical coupler U1 conducting all ends first, second triode Q1, Q2, and the controllable silicon SCR conducting then holds between P2 and end P1 voltage to occur; If end L is identical with end S voltage-phase, bidirectional linear photoelectrical coupler U1 ends, and the first triode Q1 conducting, the 2nd Q2 are ended, and controllable silicon SCR is ended, and then holds no-voltage between P2 and end P1; If end S no-voltage, the then second triode Q2 conducting ends the first triode Q1, and the controllable silicon SCR conducting is then held between P2 and end P1 and voltage occurred.
Method of operating of the present utility model: at first will need the phase voltage incoming end S that uses, the phase voltage that reality is used is connected on end L then, and will hold N to insert conventional zero line, no-voltage changes between end P1, the P2 when end L voltage-phase is identical with end S voltage-phase; When holding L voltage-phase and end S voltage-phase not simultaneously, the change in voltage of a 220V half-wave rectification appears, in order to driving relay or other electron devices between end P1, P2.
In sum; the utility model is a kind of phase place of judging actual use alternating voltage and whether set the phase place of using alternating voltage consistent and provide result's electronic module; sampling of actual use phase voltage and setting need the phase voltage sampling to be direct power taking; adopt bidirectional linear photoelectrical coupler U1 as sampling module; it is used for the phase sequence misconnection protection of the equipment of requirement phasing electricity consumption, also can be used for the anti-electricity-theft protection of some specific paid watt-hour meter.
The phasing consumer is for example: motor soft starter control thyristor contact phase sequence and has required correspondingly one by one with bypass, wrong might scaling loss equipment, thereby use this device once the discovery misconnection just can drive protection switch disconnection short-circuit loop protection equipment.
The anti-electricity-theft protection of specific paid watt-hour meter is for example: Beaune three-phase prepayment watt-hour meter, stealing cause not being inconsistent by the phase line of watt-hour meter and setting, and this device can drive higher level's circuit breaker trip and cut off the stealing loop.
Though through the utility model is described in conjunction with specific embodiments, for the skilled personage in present technique field, according to substituting of making of narration above, revise with variation will be conspicuous.Therefore, such substituting, in the spirit and scope that modifications and variations fall into attached claim the time, should be included in the utility model.