CN204131785U - A kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device - Google Patents

A kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device Download PDF

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Publication number
CN204131785U
CN204131785U CN201420539237.2U CN201420539237U CN204131785U CN 204131785 U CN204131785 U CN 204131785U CN 201420539237 U CN201420539237 U CN 201420539237U CN 204131785 U CN204131785 U CN 204131785U
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circuit
switch
splicing ear
power supplies
direct current
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何祥喜
谢永光
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The utility model discloses a kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device, comprise and hand over electric current of voltage regulation unit frequently, rechargable power supplies, luminous element, ON-OFF control circuit, oscillating circuit, AC signal buffer circuit, sensitivity adjusting circuit, Current amplifier switching circuit and alterating and direct current testing circuit, the output of electric current of voltage regulation unit is frequently handed over to be connected with luminous element with rechargable power supplies respectively, the output of rechargable power supplies is also connected with voltage stabilizing circuit and electromagnetic relay in turn, the output of rechargable power supplies passes through voltage stabilizing circuit successively, the contact KJ1 of electromagnetic relay is connected with luminous element, ON-OFF control circuit comprises the first K switch J2 and second switch KJ3, the front end of electric current of voltage regulation unit is frequently handed over to be provided with live wire splicing ear L and zero line splicing ear N.The utility model can by detecting voltage and the alterating and direct current that automatically switches, and has line voltage distribution balance, available protecting luminous element, the advantage that safe and reliable, circuit is simple, with low cost.

Description

A kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device
Technical field
The utility model relates to lighting apparatus, is specifically related to a kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device.
Background technology
Since the mankind use bulb, fluorescent tube etc. to make lighting, its circuit installs the on-link mode (OLM) that wiring is all series connection mutually between switch, bulb.When switch is by after conducting, electrical network has electricity, and then bulb is bright, if electrical network is without electricity, bulb does not work; When switch is by after not conducting, electrical network has electricity or does not all work without bulb.But this illumination control circuit does not have function of emergency illumination, in use once have a power failure, can not use, restricted a lot of, use very inconvenient.
Utility model content
The technical problems to be solved in the utility model is to provide one can by detecting voltage and the alterating and direct current that automatically switches, line voltage distribution balance, available protecting luminous element, the biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device that safe and reliable, circuit is simple, with low cost.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device, comprise and hand over electric current of voltage regulation unit frequently, rechargable power supplies, luminous element, ON-OFF control circuit, oscillating circuit, AC signal buffer circuit, sensitivity adjusting circuit, Current amplifier switching circuit and alterating and direct current testing circuit, the described output of electric current of voltage regulation unit frequently of handing over is connected with luminous element with rechargable power supplies respectively, the output of described rechargable power supplies is also connected with voltage stabilizing circuit and electromagnetic relay in turn, the output of described rechargable power supplies passes through voltage stabilizing circuit successively, the contact KJ1 of electromagnetic relay is connected with luminous element, described ON-OFF control circuit comprises the first K switch J2 and second switch KJ3, described first K switch J2 and second switch KJ3 is respectively equipped with switchable first contact path and the second contact path, and described first K switch J2 and second switch KJ3 has the public coil KJ4 for switching the first contact path and the second contact path, the described front end of electric current of voltage regulation unit frequently of handing over is provided with live wire splicing ear L and zero line splicing ear N, the described live wire input of electric current of voltage regulation unit frequently of handing over is connected with live wire splicing ear L by the first contact path of the first K switch J2, the output of described rechargable power supplies passes through oscillating circuit successively, the second contact path of the first K switch J2 is connected with live wire splicing ear L, the described zero line input of electric current of voltage regulation unit frequently of handing over is connected with zero line splicing ear N by the second contact path of second switch KJ3, and described zero line splicing ear N is successively by the first contact path of second switch KJ3, AC signal buffer circuit, sensitivity adjusting circuit, Current amplifier switching circuit ground connection, the coil KJ of described electromagnetic relay is connected in series on Current amplifier switching circuit, described alterating and direct current testing circuit is connected in parallel between live wire splicing ear L and zero line splicing ear N, described first K switch J2 is connected with the output of alterating and direct current testing circuit with the public coil KJ4 of second switch KJ3.
Further, described oscillating circuit comprises the diode D1 and resistance R2 that are connected in series, and the output of described rechargable power supplies is connected with live wire splicing ear L by the second contact path of diode D1, resistance R2, the first K switch J2 successively.
Further, described sensitivity adjusting circuit comprises resistance R2 and adjustable resistance R3, one end of described AC signal buffer circuit is connected with zero line splicing ear N by the first contact path of second switch KJ3, the other end is by resistance R2, adjustable resistance R3 connects common ground, the input of described Current amplifier switching circuit is connected between resistance R2 and adjustable resistance R3, described oscillating circuit carries out decoding by AC signal buffer circuit successively by the alternate electrical signal of electrical network feedback and obtains d. c. voltage signal, and through described sensitivity adjusting circuit, decoding is obtained d. c. voltage signal and export Current amplifier switching circuit to.
Further, described Current amplifier switching circuit comprises triode VT1, triode VT2, diode D6 and electric capacity C4, the base stage b of described triode VT1 respectively with resistance R2, adjustable resistance R3 is connected, the base stage b of the emitter E connecting triode VT2 of described triode VT1, the emitter E of described triode VT2 connects common ground, the collector electrode c of described triode VT1, one end of the coil KJ of electromagnetic relay is received in the collector electrode c parallel connection of triode VT2 in succession, the other end of the coil KJ of described electromagnetic relay is connected to the positive pole of rechargable power supplies, and the collector electrode c of described triode VT2 connects the negative pole of electric capacity C4 respectively, connect the positive pole of diode D6, the negative pole of described diode D6 connects common ground, the positive pole of described electric capacity C4 is connected to the positive pole of rechargable power supplies.
Further, described alterating and direct current testing circuit comprises the electric capacity C2 be connected in series and the full-wave bridge rectifier circuit be made up of diode D1 ~ D4, be connected in parallel between live wire splicing ear L and zero line splicing ear N after the input of described full-wave bridge rectifier circuit and electric capacity C2 are connected in series, the public coil KJ4 of the output of described full-wave bridge rectifier circuit and the first K switch J2 and second switch KJ3 is connected in series and forms loop.
The utility model biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device has following advantage: the utility model is connected with luminous element with rechargable power supplies respectively by handing over the output of electric current of voltage regulation unit frequently, the output of rechargable power supplies is also connected with voltage stabilizing circuit and electromagnetic relay in turn, the output of rechargable power supplies passes through voltage stabilizing circuit successively, the contact KJ1 of electromagnetic relay is connected with luminous element, therefore electric current of voltage regulation unit is frequently handed over can to charge for rechargable power supplies, hand over electric current of voltage regulation unit (AC power) frequently simultaneously, rechargable power supplies (DC power supply) is respectively as the duplex feeding power supply of luminous element, under normal condition (Alternating Current Power Supply state), the first contact path conducting of the first K switch J2, the second contact path conducting of second switch KJ3, now oscillating circuit, AC signal buffer circuit, sensitivity adjusting circuit, Current amplifier switching circuit is all disconnected, thus control the coil KJ open circuit of electromagnetic relay, the contact KJ1 of electromagnetic relay is disconnected, luminous element is switched to Alternating Current Power Supply state, friendship frequency electric current of voltage regulation unit is respectively rechargable power supplies and luminous element is powered, luminous element uses the AC power from live wire splicing ear L and zero line splicing ear N, simultaneously, alterating and direct current testing circuit detects the AC supply voltage of live wire splicing ear L and zero line splicing ear N in real time, when this voltage lower than setting voltage 50% time the first K switch J2 and second switch KJ3 public coil KJ4 action, make the second contact path conducting of the first K switch J2, the first contact path conducting of second switch KJ3, luminous element enters direct current supply state, now oscillating circuit, AC signal buffer circuit, sensitivity adjusting circuit, Current amplifier switching circuit is all switched on, electric current of voltage regulation unit is frequently handed over to be disconnected, the direct voltage of the output of rechargable power supplies is converted to alternating current by oscillating circuit, this alternating current is by space or line transmission, (Chun swings that frequency is higher can at space propagation, frequency of oscillation is lower transfers at circuit), therefore, the alternating current that oscillating circuit exports exports between live wire splicing ear L and zero line splicing ear N and makes alterating and direct current testing circuit in running order, and carrying out decoding by AC signal buffer circuit successively obtains d. c. voltage signal simultaneously, after this d. c. voltage signal regulates sensitivity by sensitivity adjusting circuit, amplified by Current amplifier switching circuit, thus the coil KJ controlling electromagnetic relay works, make the contact KJ1 conducting of electromagnetic relay, the output of rechargable power supplies passes through voltage stabilizing circuit successively, the contact KJ1 of electromagnetic relay is that luminous element is powered, luminous element is switched to direct current supply state, simultaneously, alterating and direct current testing circuit detects the AC supply voltage of live wire splicing ear L and zero line splicing ear N in real time, the public coil KJ4 action of the first K switch J2 and second switch KJ3 when this voltage is greater than 50% of setting voltage time, Alternating Current Power Supply state is reverted to from by luminous element 3, therefore, it is possible to by detecting voltage and the alterating and direct current that automatically switches, there is line voltage distribution balance, available protecting luminous element, the advantage that safe and reliable, circuit is simple, with low cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the frame structure schematic diagram of the utility model embodiment.
Fig. 2 is the circuit principle structure schematic diagram of the utility model embodiment.
Marginal data: 1, hand over electric current of voltage regulation unit frequently; 2, rechargable power supplies; 21, voltage stabilizing circuit; 22, electromagnetic relay; 3, luminous element; 4, ON-OFF control circuit; 5, oscillating circuit; 6, AC signal buffer circuit; 7, sensitivity adjusting circuit; 8, Current amplifier switching circuit; 9, alterating and direct current testing circuit.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection range of the present utility model.
As depicted in figs. 1 and 2, the biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device of the present embodiment comprises hands over electric current of voltage regulation unit 1 frequently, rechargable power supplies 2, luminous element 3, ON-OFF control circuit 4, oscillating circuit 5, AC signal buffer circuit 6, sensitivity adjusting circuit 7, Current amplifier switching circuit 8 and alterating and direct current testing circuit 9, the output of electric current of voltage regulation unit 1 is frequently handed over to be connected with luminous element 3 with rechargable power supplies 2 respectively, the output of rechargable power supplies 2 is also connected with voltage stabilizing circuit 21 and electromagnetic relay 22 in turn, the output of rechargable power supplies 2 is successively by voltage stabilizing circuit 21, the contact KJ1 of electromagnetic relay 22 is connected with luminous element 3, ON-OFF control circuit 4 comprises the first K switch J2 and second switch KJ3, first K switch J2 and second switch KJ3 is respectively equipped with switchable first contact path and the second contact path, and the first K switch J2 and second switch KJ3 has the public coil KJ4 for switching the first contact path and the second contact path, the front end of electric current of voltage regulation unit 1 is frequently handed over to be provided with live wire splicing ear L and zero line splicing ear N, the live wire input of electric current of voltage regulation unit 1 is frequently handed over to be connected with live wire splicing ear L by the first contact path of the first K switch J2, the output of rechargable power supplies 2 is successively by oscillating circuit 5, the second contact path of the first K switch J2 is connected with live wire splicing ear L, the zero line input of electric current of voltage regulation unit 1 is frequently handed over to be connected with zero line splicing ear N by the second contact path of second switch KJ3, and zero line splicing ear N is successively by the first contact path of second switch KJ3, AC signal buffer circuit 6, sensitivity adjusting circuit 7, Current amplifier switching circuit 8 ground connection, the coil KJ of electromagnetic relay 22 is connected in series on Current amplifier switching circuit 8, alterating and direct current testing circuit 9 is connected in parallel between live wire splicing ear L and zero line splicing ear N, first K switch J2 is connected with the output of alterating and direct current testing circuit 9 with the public coil KJ4 of second switch KJ3.The present embodiment is connected with luminous element 3 with rechargable power supplies 2 respectively by handing over the output of electric current of voltage regulation unit 1 frequently, the output of rechargable power supplies 2 is also connected with voltage stabilizing circuit 21 and electromagnetic relay 22 in turn, the output of rechargable power supplies 2 is connected with luminous element 3 by the contact KJ1 of voltage stabilizing circuit 21, electromagnetic relay 22 successively, therefore hand over electric current of voltage regulation unit 1 frequently can charge for rechargable power supplies 2, hand over frequency electric current of voltage regulation unit 1 (AC power), rechargable power supplies 2 (DC power supply) respectively as the duplex feeding power supply of luminous element 3 simultaneously, under normal condition (Alternating Current Power Supply state), the first contact path conducting of the first K switch J2, the second contact path conducting of second switch KJ3, now oscillating circuit 5, AC signal buffer circuit 6, sensitivity adjusting circuit 7, Current amplifier switching circuit 8 is all disconnected, thus control the coil KJ open circuit of electromagnetic relay 22, the contact KJ1 of electromagnetic relay 22 is disconnected, luminous element 3 is switched to Alternating Current Power Supply state, friendship frequency electric current of voltage regulation unit 1 is respectively rechargable power supplies 2 and luminous element 3 is powered, luminous element 3 uses the AC power from live wire splicing ear L and zero line splicing ear N, simultaneously, alterating and direct current testing circuit 9 detects the AC supply voltage of live wire splicing ear L and zero line splicing ear N in real time, when this voltage lower than setting voltage 50% time the first K switch J2 and second switch KJ3 public coil KJ4 action, make the second contact path conducting of the first K switch J2, the first contact path conducting of second switch KJ3, luminous element 3 enters direct current supply state, now oscillating circuit 5, AC signal buffer circuit 6, sensitivity adjusting circuit 7, Current amplifier switching circuit 8 is all switched on, electric current of voltage regulation unit 1 is frequently handed over to be disconnected, the direct voltage of the output of rechargable power supplies 2 is converted to alternating current by oscillating circuit 5, this alternating current is by space or line transmission, (Chun swings that frequency is higher can at space propagation, frequency of oscillation is lower transfers at circuit), therefore, the alternating current that oscillating circuit 5 exports exports between live wire splicing ear L and zero line splicing ear N and makes alterating and direct current testing circuit 9 in running order, and carrying out decoding by AC signal buffer circuit 6 successively obtains d. c. voltage signal simultaneously, after this d. c. voltage signal regulates sensitivity by sensitivity adjusting circuit 7, amplified by Current amplifier switching circuit 8, thus the coil KJ controlling electromagnetic relay 22 works, make the contact KJ1 conducting of electromagnetic relay 22, the output of rechargable power supplies 2 is successively by voltage stabilizing circuit 21, the contact KJ1 of electromagnetic relay 22 is that luminous element 3 is powered, luminous element 3 is switched to direct current supply state, simultaneously, alterating and direct current testing circuit 9 detects the AC supply voltage of live wire splicing ear L and zero line splicing ear N in real time, the public coil KJ4 action of the first K switch J2 and second switch KJ3 when this voltage is greater than 50% of setting voltage time, Alternating Current Power Supply state is reverted to from by luminous element 3, therefore, it is possible to by detecting voltage and the alterating and direct current that automatically switches, there is line voltage distribution balance, available protecting luminous element, the advantage that safe and reliable, circuit is simple, with low cost.
In the present embodiment, oscillating circuit 5 comprises the diode D1 and resistance R2 that are connected in series, and the output of rechargable power supplies 2 is connected with live wire splicing ear L by the second contact path of diode D1, resistance R2, the first K switch J2 successively.Direct current becomes a kind of alternating current after oscillating circuit 5 works, this alternating current is by space or line transmission, (Chun swings that frequency is higher can at space propagation, frequency of oscillation is lower transfers at circuit), and control oscillating circuit 5 power can Da to controlling the light object of luminous element 3, oscillating circuit 5 also can be made as moving switch use in addition.
In the present embodiment, sensitivity adjusting circuit 7 comprises resistance R2 and adjustable resistance R3, one end of AC signal buffer circuit 6 is connected with zero line splicing ear N by the first contact path of second switch KJ3, the other end is by resistance R2, adjustable resistance R3 connects common ground, the input of Current amplifier switching circuit 8 is connected between resistance R2 and adjustable resistance R3, oscillating circuit 5 carries out decoding by AC signal buffer circuit 6 successively by the alternate electrical signal of electrical network feedback and obtains d. c. voltage signal, and through sensitivity adjusting circuit 7, decoding is obtained d. c. voltage signal and export Current amplifier switching circuit 8 to.Regulate the resistance value of adjustable resistance R3, also can realize the adjustment of adjustable resistance R3 two ends output voltage, thus realize the adjustment of sensitivity of the DC level signal to input.
In the present embodiment, Current amplifier switching circuit 8 comprises triode VT1, triode VT2, diode D6 and electric capacity C4, the base stage b of triode VT1 respectively with resistance R2, adjustable resistance R3 is connected, the base stage b of the emitter E connecting triode VT2 of triode VT1, the emitter E of triode VT2 connects common ground, the collector electrode c of triode VT1, one end of the coil KJ of electromagnetic relay 22 is received in the collector electrode c parallel connection of triode VT2 in succession, the other end of the coil KJ of electromagnetic relay 22 is connected to the positive pole of rechargable power supplies 2, and the collector electrode c of triode VT2 connects the negative pole of electric capacity C4 respectively, connect the positive pole of diode D6, the negative pole of diode D6 connects common ground, the positive pole of electric capacity C4 is connected to the positive pole of rechargable power supplies 2.Triode VT1, both triode VT2 form basic combined amplifier, the DC level signal that sensitivity adjusting circuit 7 exports is amplified, thus provide driving voltage to drive the coil KJ of electromagnetic relay 22 for the coil KJ of electromagnetic relay 22, the K switch J1 of electromagnetic relay 22 is closed.
In the present embodiment, alterating and direct current testing circuit 9 comprises the electric capacity C2 be connected in series and the full-wave bridge rectifier circuit be made up of diode D1 ~ D4, be connected in parallel between live wire splicing ear L and zero line splicing ear N after the input of full-wave bridge rectifier circuit and electric capacity C2 are connected in series, the public coil KJ4 of the output of full-wave bridge rectifier circuit and the first K switch J2 and second switch KJ3 is connected in series and forms loop.Alterating and direct current testing circuit 9 can detect the ac and dc current signal of the output of oscillating circuit 5, and decoding Chun, to swing the signal of telecommunication Strong modulated in circuit 5 weak, use direct current for detecting lower than 50% of setting voltage, the public coil KJ4 controlling the first K switch J2 and second switch KJ3 connects direct current transmission line automatically.
It should be noted that, in the present embodiment, luminous element 3 is LED illuminator, and can need the luminous element adopting other types in addition, such as incandescent lamp, electricity-saving lamp etc., do not repeat them here yet.
The foregoing is only preferred implementation of the present utility model, protection range of the present utility model is not limited in above-mentioned execution mode, and every technical scheme belonging to the utility model principle all belongs to protection range of the present utility model.For a person skilled in the art, some improvements and modifications of carrying out under the prerequisite not departing from principle of the present utility model, these improvements and modifications also should be considered as protection range of the present utility model.

Claims (5)

1. a biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device, it is characterized in that: comprise and hand over electric current of voltage regulation unit (1) frequently, rechargable power supplies (2), luminous element (3), ON-OFF control circuit (4), oscillating circuit (5), AC signal buffer circuit (6), sensitivity adjusting circuit (7), Current amplifier switching circuit (8) and alterating and direct current testing circuit (9), the described output of electric current of voltage regulation unit (1) frequently of handing over is connected with luminous element (3) with rechargable power supplies (2) respectively, the output of described rechargable power supplies (2) is also connected with voltage stabilizing circuit (21) and electromagnetic relay (22) in turn, the output of described rechargable power supplies (2) is successively by voltage stabilizing circuit (21), the contact KJ1 of electromagnetic relay (22) is connected with luminous element (3), described ON-OFF control circuit (4) comprises the first K switch J2 and second switch KJ3, described first K switch J2 and second switch KJ3 is respectively equipped with switchable first contact path and the second contact path, and described first K switch J2 and second switch KJ3 has the public coil KJ4 for switching the first contact path and the second contact path, the described front end of electric current of voltage regulation unit (1) frequently of handing over is provided with live wire splicing ear L and zero line splicing ear N, the described live wire input of electric current of voltage regulation unit (1) frequently of handing over is connected with live wire splicing ear L by the first contact path of the first K switch J2, the output of described rechargable power supplies (2) is successively by oscillating circuit (5), the second contact path of the first K switch J2 is connected with live wire splicing ear L, the described zero line input of electric current of voltage regulation unit (1) frequently of handing over is connected with zero line splicing ear N by the second contact path of second switch KJ3, and described zero line splicing ear N is successively by the first contact path of second switch KJ3, AC signal buffer circuit (6), sensitivity adjusting circuit (7), Current amplifier switching circuit (8) ground connection, the coil KJ of described electromagnetic relay (22) is connected in series on Current amplifier switching circuit (8), described alterating and direct current testing circuit (9) is connected in parallel between live wire splicing ear L and zero line splicing ear N, described first K switch J2 is connected with the output of alterating and direct current testing circuit (9) with the public coil KJ4 of second switch KJ3.
2. biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device according to claim 1, it is characterized in that: described oscillating circuit (5) comprises the diode D1 and resistance R2 that are connected in series, the output of described rechargable power supplies (2) is connected with live wire splicing ear L by the second contact path of diode D1, resistance R2, the first K switch J2 successively.
3. biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device according to claim 2, it is characterized in that: described sensitivity adjusting circuit (7) comprises resistance R2 and adjustable resistance R3, one end of described AC signal buffer circuit (6) is connected with zero line splicing ear N by the first contact path of second switch KJ3, the other end is by resistance R2, adjustable resistance R3 connects common ground, the input of described Current amplifier switching circuit (8) is connected between resistance R2 and adjustable resistance R3, described oscillating circuit (5) carries out decoding by AC signal buffer circuit (6) successively by the alternate electrical signal of electrical network feedback and obtains d. c. voltage signal, and through described sensitivity adjusting circuit (7), decoding is obtained d. c. voltage signal and export Current amplifier switching circuit (8) to.
4. biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device according to claim 3, it is characterized in that: described Current amplifier switching circuit (8) comprises triode VT1, triode VT2, diode D6 and electric capacity C4, the base stage b of described triode VT1 respectively with resistance R2, adjustable resistance R3 is connected, the base stage b of the emitter E connecting triode VT2 of described triode VT1, the emitter E of described triode VT2 connects common ground, the collector electrode c of described triode VT1, one end of the coil KJ of electromagnetic relay (22) is received in the collector electrode c parallel connection of triode VT2 in succession, the other end of the coil KJ of described electromagnetic relay (22) is connected to the positive pole of rechargable power supplies (2), and the collector electrode c of described triode VT2 connects the negative pole of electric capacity C4 respectively, connect the positive pole of diode D6, the negative pole of described diode D6 connects common ground, the positive pole of described electric capacity C4 is connected to the positive pole of rechargable power supplies (2).
5. according to the biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device in Claims 1 to 4 described in any one, it is characterized in that: described alterating and direct current testing circuit (9) comprises the electric capacity C2 be connected in series and the full-wave bridge rectifier circuit be made up of diode D1 ~ D4, be connected in parallel between live wire splicing ear L and zero line splicing ear N after the input of described full-wave bridge rectifier circuit and electric capacity C2 are connected in series, the public coil KJ4 of the output of described full-wave bridge rectifier circuit and the first K switch J2 and second switch KJ3 is connected in series and forms loop.
CN201420539237.2U 2014-09-18 2014-09-18 A kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device Active CN204131785U (en)

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CN201420539237.2U CN204131785U (en) 2014-09-18 2014-09-18 A kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device

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Application Number Priority Date Filing Date Title
CN201420539237.2U CN204131785U (en) 2014-09-18 2014-09-18 A kind of biswitch formula alternating current-direct current automatic switchover double-purpose Intelligent lightening device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106060687A (en) * 2016-06-08 2016-10-26 钰太芯微电子科技(上海)有限公司 Multi-mode microphone power supply system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106060687A (en) * 2016-06-08 2016-10-26 钰太芯微电子科技(上海)有限公司 Multi-mode microphone power supply system
CN106060687B (en) * 2016-06-08 2024-05-17 钰太芯微电子科技(上海)有限公司 Multi-mode microphone power supply system

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