CN104635020A - Energy-saving and environment-friendly remote alarm circuit for power outage - Google Patents
Energy-saving and environment-friendly remote alarm circuit for power outage Download PDFInfo
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- CN104635020A CN104635020A CN201410834275.5A CN201410834275A CN104635020A CN 104635020 A CN104635020 A CN 104635020A CN 201410834275 A CN201410834275 A CN 201410834275A CN 104635020 A CN104635020 A CN 104635020A
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Abstract
The invention discloses an energy-saving and environment-friendly remote alarm circuit for power outage. The remote alarm circuit comprises a power supply circuit, an oscillating circuit and an alarm circuit; the power supply circuit comprises a transformer W1, a resistor R1, a capacitor C1 and a rectifier bridge T; the oscillating circuit comprises NAND gates U1-U4; the alarm circuit comprises an optical coupler M, a capacitor C3 and a remote transmission module. According to the remote alarm circuit disclosed by the invention, a dry battery power supply structure with pollution is abandoned; a GPRS (general packet radio service) module is powered up after the power outage in a capacitive energy storage manner; a transmission terminal of the GPRS module is set up on a mobile phone or a computer of a user, and once occurring, the power outage condition can be known at any time and any place, and a corresponding measure is adopted in time; therefore, the remote alarm circuit has the advantages of being simple in structure, low in use cost, energy-saving, environment-friendly and capable of giving an alarm remotely.
Description
Technical field
The present invention relates to a kind of protection circuit, the power-off remote alarms circuit of specifically a kind of energy-conserving and environment-protective.
Background technology
Electrification Age now, the running of various instrument and equipment all be unable to do without electric energy, especially in the industrial production, even if if relative measure can not be taked likely to cause great economic loss when there is power-off, therefore power-off alarm is set in some important electricity consumption places and seems particularly important, the practical dry cell of traditional cut-offing alarming circuit is as the power supply source of cut-offing alarming circuit, as everyone knows, containing a large amount of lead in dry cell, the heavy metals such as cadmium, discarded battery can cause great environmental pollution, and traditional cut-offing alarming circuit mostly is sound and light alarm, if and user just cannot not know powering-off state nearby, along with the development of GSM network, the hardware implementing of GPRS in warning system becomes possibility.
Summary of the invention
The object of the present invention is to provide the power-off remote alarms circuit of the energy-conserving and environment-protective that a kind of structure is simple, cost is low, output power is high, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A power-off remote alarms circuit for energy-conserving and environment-protective, comprises power circuit, oscillatory circuit and warning circuit; It is characterized in that, described power circuit comprises transformer W1, resistance R1, electric capacity C1 and rectifier bridge T, and described oscillatory circuit comprises Sheffer stroke gate U1 ~ U4, described warning circuit comprises photo-coupler M, electric capacity C3 and remote transmission module;
The two ends of a winding L 1 of described transformer W connect the two ends of 220V line voltage respectively, one end contact resistance R1 of the Secondary Winding L2 of transformer W and electric capacity C1, the other end of resistance R1 connects the other end of electric capacity C1 and 1 port of rectifier bridge T, the other end of the Secondary Winding L2 of the 3 port connection transformer W of rectifier bridge T, the 2 port contact resistance R2 of rectifier bridge T, resistance R3, resistance R4, electric capacity C2, the negative electrode of electric capacity C3 and diode D2, the other end ground connection of electric capacity C2, the other end of resistance R2 connects the anode of diode D1, 4 ports of rectifier bridge T connect the negative electrode of diode D1, the positive pole of diode D2, the other end of electric capacity C3, 2 pins of photo-coupler M, 4 pins of photo-coupler M and remote communication module ground connection, the other end of resistance R3 connects 1 pin of photo-coupler M, 1 pin of the 3 pin contact resistance R4 and Sheffer stroke gate U1 of photo-coupler M, the 2 pin contact resistance R5 of not gate U1 and electric capacity C4, the other end of the 3 pin resistance R5 of not gate U1, 1 pin of not gate U2 and 2 pins of not gate U2, 3 pins of not gate U2 connect the other end of electric capacity C4 and the anode of diode D3, the negative electrode of diode D3 connects 1 pin of not gate U3, the 2 pin contact resistance R6 of not gate U3 and electric capacity C5, the other end of the 3 pin resistance R6 of not gate U3, 1 pin of not gate U4 and 2 pins of not gate U4, 3 pins of not gate U4 connect the other end and the remote communication module of electric capacity C5.
As preferred version of the present invention: the model of described photo-coupler M is 4N25.
As preferred version of the present invention: 220V voltage transformation is 15V voltage by a winding L 1 of described transformer W and Secondary Winding L2.
As preferred version of the present invention: described remote communication module is SIM300 type GPRS module.
As preferred version of the present invention: described diode D1 is light emitting diode.
Compared with prior art, the invention has the beneficial effects as follows: circuit has abandoned pollution-carrying dry cell power supply structure, the mode of capacitance energy storage is adopted to power to GPRS module after power failure, on the mobile phone that the transmission terminal of GPRS is arranged on user or computer, once there is powering-off state, powering-off state can be understood whenever and wherever possible, take counter-measure in time.Therefore this circuit have that structure is simple, use cost is low, the advantage of energy-conserving and environment-protective and remote alarms.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the power-off remote alarms circuit of energy-conserving and environment-protective;
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, a kind of power-off remote alarms circuit of energy-conserving and environment-protective, comprise power circuit, oscillatory circuit and warning circuit, described power circuit comprises transformer W1, resistance R1, electric capacity C1 and rectifier bridge T, and described oscillatory circuit comprises Sheffer stroke gate U1 ~ U4, described warning circuit comprises photo-coupler M, electric capacity C3 and remote transmission module;
The two ends of a winding L 1 of described transformer W connect the two ends of 220V line voltage respectively, one end contact resistance R1 of the Secondary Winding L2 of transformer W and electric capacity C1, the other end of resistance R1 connects the other end of electric capacity C1 and 1 port of rectifier bridge T, the other end of the Secondary Winding L2 of the 3 port connection transformer W of rectifier bridge T, the 2 port contact resistance R2 of rectifier bridge T, resistance R3, resistance R4, electric capacity C2, the negative electrode of electric capacity C3 and diode D2, the other end ground connection of electric capacity C2, the other end of resistance R2 connects the anode of diode D1, 4 ports of rectifier bridge T connect the negative electrode of diode D1, the positive pole of diode D2, the other end of electric capacity C3, 2 pins of photo-coupler M, 4 pins of photo-coupler M and remote communication module ground connection, the other end of resistance R3 connects 1 pin of photo-coupler M, 1 pin of the 3 pin contact resistance R4 and Sheffer stroke gate U1 of photo-coupler M, the 2 pin contact resistance R5 of not gate U1 and electric capacity C4, the other end of the 3 pin resistance R5 of not gate U1, 1 pin of not gate U2 and 2 pins of not gate U2, 3 pins of not gate U2 connect the other end of electric capacity C4 and the anode of diode D3, the negative electrode of diode D3 connects 1 pin of not gate U3, the 2 pin contact resistance R6 of not gate U3 and electric capacity C5, the other end of the 3 pin resistance R6 of not gate U3, 1 pin of not gate U4 and 2 pins of not gate U4, 3 pins of not gate U4 connect the other end and the remote communication module of electric capacity C5.
The model of photo-coupler M is 4N25.
220V voltage transformation is 15V voltage by a winding L 1 of transformer W and Secondary Winding L2.
Remote communication module is SIM300 type GPRS module.
Diode D1 is light emitting diode.
Principle of work of the present invention is: when 220V electrical network normal power supply, 220 alternating currents become 15V direct current after transformer W, electric capacity C1 and rectifier bridge T, add the two ends of electric capacity C2.15V direct current divides three tunnels to run, and a road makes diode D1 luminous through resistance R2, represents that mains supply is normal; 1 pin of photoelectrical coupler M is injected through resistance R3 in second tunnel, makes the luminotron electrified light emitting in photoelectrical coupler M, the phototriode conducting thus in photoelectrical coupler.3 pin of photoelectrical coupler M are low level, and input end 1 pin making Sheffer stroke gate U1 ~ U4 is also low level, and remote communication module does not work; The galvanic Article 3 branch road of 15V charges to electric capacity C5.Once 220V AC network has a power failure, electric capacity C3 is stored electric charge and is released by resistance R2 and diode D1, drops to 0V very soon.At this moment light emitting diode D1 extinguishes.Simultaneously, light emitting diode in photoelectrical coupler M also extinguishes thereupon, phototriode ends, 3 pin of photoelectrical coupler M export high level, input end 1 pin of Sheffer stroke gate U1 ~ U4 is made also to be high level, remote communication module works, and GPRS module sends power alarm information to the SIM card of user mobile phone, and power supply required for remote communication module carrys out the electric charge that self-capacitance C5 stores.When 220V power system restoration is powered, diode D1 lights again, the 5 pin output low levels of photo-coupler M, the blocking of oscillator, electric capacity C5 is full of again electric charge and can be the use of reporting to the police that has a power failure next time, circuit has abandoned pollution-carrying dry cell power supply structure, the mode of capacitance energy storage is adopted to power to GPRS module after power failure, on the mobile phone that the transmission terminal of GPRS is arranged on user or computer, once there is powering-off state, powering-off state can be understood whenever and wherever possible, take counter-measure in time.Therefore this circuit have that structure is simple, use cost is low, the advantage of energy-conserving and environment-protective and remote alarms.
Claims (5)
1. a power-off remote alarms circuit for energy-conserving and environment-protective, comprises power circuit, oscillatory circuit and warning circuit; It is characterized in that, described power circuit comprises transformer W1, resistance R1, electric capacity C1 and rectifier bridge T, and described oscillatory circuit comprises Sheffer stroke gate U1 ~ U4, described warning circuit comprises photo-coupler M, electric capacity C3 and remote transmission module;
The two ends of a winding L 1 of described transformer W connect the two ends of 220V line voltage respectively, one end contact resistance R1 of the Secondary Winding L2 of transformer W and electric capacity C1, the other end of resistance R1 connects the other end of electric capacity C1 and 1 port of rectifier bridge T, the other end of the Secondary Winding L2 of the 3 port connection transformer W of rectifier bridge T, the 2 port contact resistance R2 of rectifier bridge T, resistance R3, resistance R4, electric capacity C2, the negative electrode of electric capacity C3 and diode D2, the other end ground connection of electric capacity C2, the other end of resistance R2 connects the anode of diode D1, 4 ports of rectifier bridge T connect the negative electrode of diode D1, the positive pole of diode D2, the other end of electric capacity C3, 2 pins of photo-coupler M, 4 pins of photo-coupler M and remote communication module ground connection, the other end of resistance R3 connects 1 pin of photo-coupler M, 1 pin of the 3 pin contact resistance R4 and Sheffer stroke gate U1 of photo-coupler M, the 2 pin contact resistance R5 of not gate U1 and electric capacity C4, the other end of the 3 pin resistance R5 of not gate U1, 1 pin of not gate U2 and 2 pins of not gate U2, 3 pins of not gate U2 connect the other end of electric capacity C4 and the anode of diode D3, the negative electrode of diode D3 connects 1 pin of not gate U3, the 2 pin contact resistance R6 of not gate U3 and electric capacity C5, the other end of the 3 pin resistance R6 of not gate U3, 1 pin of not gate U4 and 2 pins of not gate U4, 3 pins of not gate U4 connect the other end and the remote communication module of electric capacity C5.
2. the power-off remote alarms circuit of a kind of energy-conserving and environment-protective according to claim 1, is characterized in that, the model of described photo-coupler M is 4N25.
3. the power-off remote alarms circuit of a kind of energy-conserving and environment-protective according to claim 1, is characterized in that, 220V voltage transformation is 15V voltage by a winding L 1 of described transformer W and Secondary Winding L2.
4. the power-off remote alarms circuit of a kind of energy-conserving and environment-protective according to claim 1, is characterized in that, described remote communication module is SIM300 type GPRS module.
5. the power-off remote alarms circuit of a kind of energy-conserving and environment-protective according to claim 1, is characterized in that, described diode D1 is light emitting diode.
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| CN201410834275.5A CN104635020B (en) | 2014-12-26 | 2014-12-26 | A kind of energy-saving and environment-friendly power-off remote alarms circuit |
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| CN104635020B CN104635020B (en) | 2019-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105067869A (en) * | 2015-08-13 | 2015-11-18 | 何林 | Municipal power failure sound/light reminding device |
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