CN104034999A - Alternating-current power failure quick alarm - Google Patents
Alternating-current power failure quick alarm Download PDFInfo
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- CN104034999A CN104034999A CN201410283002.6A CN201410283002A CN104034999A CN 104034999 A CN104034999 A CN 104034999A CN 201410283002 A CN201410283002 A CN 201410283002A CN 104034999 A CN104034999 A CN 104034999A
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Abstract
The invention discloses an alternating-current power failure quick alarm which comprises a detecting portion, a processing portion and an executing portion. The detecting portion, the processing portion and the executing portion are sequentially electrically connected with one another; the detecting portion comprises two alternating-current signal input ends, a diode D1, a diode D2, an optocoupler OT, a capacitor C1, a resistor R4, a resistor R1, a resistor R2, a resistor R6, a resistor R3, a resistor R5, a resistor R7, a voltage stabilizing triode ZD6, a voltage stabilizing diode ZD5 and a triode Q8. Compared with the prior art, the alternating-current power failure quick alarm has the advantages that the alternating-current power failure quick alarm is simple in circuit structure, short in delay time, high in sensitivity and excellent in reliability and stability, detection can be carried out without rectification filter or voltage division, and strobe or zero response can be prevented.
Description
Technical field
The present invention relates to electronic technology field, be specially AC dump Rapid Alarm device.
Background technology
Along with the raising that people require work living environment, intelligent building obtains more and more people's concern, by a series of intelligentized design, makes buildings have safe, convenient, efficient, energy-conservation feature.In the time of municipal power failure power-off, for ensureing owner's safety, be conventionally all provided with the emergency light with alarm.But in current isolation and non-isolation alternating current signal detection circuit, the ubiquity response time is long or respond wrong problem, and this problem sometimes often can cause answering alarm to occur abnormal conditions, as stroboscopic or do not respond.
Summary of the invention
The object of the present invention is to provide a kind of AC dump Rapid Alarm device, can respond powering-off state fast, safe and reliable.
For achieving the above object, the invention provides following technical scheme:
AC dump Rapid Alarm device, comprises the test section, processing section and the operating part that are electrically connected successively, described test section comprises two-phase AC signal input end, diode D1, diode D2, optocoupler OT, capacitor C 1, resistance R 4, resistance R 1, resistance R 2, resistance R 6, resistance R 3, resistance R 5, resistance R 5, resistance R 7, voltage stabilizing triode ZD6, voltage stabilizing diode ZD5 and triode Q8, the positive pole of described diode D1 and diode D2 is electrically connected with two-phase AC signal input end respectively, the negative pole of diode D1 and diode D2 is by resistance R 1 and resistance R 2 and optocoupler OT, optocoupler OT is in parallel with capacitor C 1 and resistance R 2, one end of capacitor C 1 is electrically connected with working power input end PVCC by resistance R 2, one end of resistance R 2 is electrically connected with 1 pin of voltage stabilizing triode Q6 by resistance R 6, the 3 pin ground connection of voltage stabilizing triode Q6,2 pin of voltage stabilizing triode Q6 are connected with the negative electricity of one end of resistance R 5 and voltage stabilizing diode ZD5, the other end of resistance R 5 connects working power input end VCC, the positive pole of voltage stabilizing diode ZD5 is electrically connected with the base stage of triode Q8, the emitter of triode Q8 is electrically connected with base stage and ground connection by resistance R 85, the collector of triode Q8 is electrically connected with working power input end VCC by resistance R 8, between the collector of triode Q8 and resistance R 8, it is power-off signal output terminal, described processing section comprises a control process chip MCU and the power supply unit being connected with control process chip MCU, state operating part and comprise button, capacitor C 2, resistance R 9, stabilivolt ZD7, triode Ql and warning device, the power supply unit of described processing section is electrically connected with the positive pole of described stabilivolt ZD7 by described resistance R 9, and by described capacitor C 2 ground connection, the negative pole of described stabilivolt ZD7 is electrically connected with the base stage of described triode Ql, and the collector of described triode Ql is electrically connected with described warning device, one end of described button is electrically connected on described resistance R 9 and described stabilivolt ZD7, and the other end of described button is by resistance R 11 ground connection, the emitter of described triode Ql and base stage interconnect by a resistance R 10.
Compared with prior art, circuit structure of the present invention is simple, does not need just to detect through rectifying and wave-filtering, dividing potential drop, and time delay is short, highly sensitive, and reliability and stability are all fine, the situation that there will not be stroboscopic or do not respond.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
AC dump Rapid Alarm device as shown in Figure 1, comprise the test section 1 of electrical connection successively, processing section 2 and operating part 3, described test section 1 comprises two-phase AC signal input end, diode D1, diode D2, optocoupler OT, capacitor C 1, resistance R 4, resistance R 1, resistance R 2, resistance R 6, resistance R 3, resistance R 5, resistance R 5, resistance R 7, voltage stabilizing triode ZD6, voltage stabilizing diode ZD5 and triode Q8, the positive pole of described diode D1 and diode D2 is electrically connected with two-phase AC signal input end respectively, the negative pole of diode D1 and diode D2 is by resistance R 1 and resistance R 2 and optocoupler OT, optocoupler OT is in parallel with capacitor C 1 and resistance R 2, one end of capacitor C 1 is electrically connected with working power input end PVCC by resistance R 2, one end of resistance R 2 is electrically connected with 1 pin of voltage stabilizing triode Q6 by resistance R 6, the 3 pin ground connection of voltage stabilizing triode Q6, 2 pin of voltage stabilizing triode Q6 are connected with the negative electricity of one end of resistance R 5 and voltage stabilizing diode ZD5, the other end of resistance R 5 connects working power input end VCC, the positive pole of voltage stabilizing diode ZD5 is electrically connected with the base stage of triode Q8, the emitter of triode Q8 is electrically connected with base stage and ground connection by resistance R 85, the collector of triode Q8 is electrically connected with working power input end VCC by resistance R 8, between the collector of triode Q8 and resistance R 8, it is power-off signal output terminal, in the time of AC signal input end L-N input AC, D1 and D2 alternate conduction, OT conducting, 1 pin of Q6 is electronegative potential, and 2 pin are noble potential, and ZD5 conducting makes Q8 conducting, D3, D4 output low level, when AC signal input end L-N AC dump, OT presents not on-state immediately, due to OT cut-off, the 1 pin voltage of Q6 rises immediately, and in the time exceeding 2.5V, 2 pin voltages will drag down, because so the reason Q8 that has ZD5 ends immediately, the alarm signal of D1, D2 output high level.
Described processing section 2 comprises a control process chip MCU and the power supply unit being connected with control process chip MCU;
Described operating part 3 comprises button, capacitor C 2, resistance R 9, stabilivolt ZD7, triode Ql and warning device; The power supply unit of described processing section is electrically connected with the positive pole of described stabilivolt ZD7 by described resistance R 9, and by described capacitor C 2 ground connection, the negative pole of described stabilivolt ZD7 is electrically connected with the base stage of described triode Ql, and the collector of described triode Ql is electrically connected with described warning device; One end of described button is electrically connected on described resistance R 9 and described stabilivolt ZD7, and the other end of described button is by resistance R 11 ground connection; The emitter of described triode Ql and base stage interconnect by a resistance R 10.
Button is a keyswitch of often opening, and in the situation that button is not pressed, 5V is after resistance R 9,2 stabilivolt ZD7 and R10 dividing potential drop, and triode Ql base voltage can make triode Q1 conducting.So very low level of the current collection of triode Ql.After danger button is pressed, discharge by button at C2 electric charge, after having discharged, triode Ql base voltage is 0, very high level of the current collection of triode Ql.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the present invention.Any Reference numeral in claim should be considered as limiting related claim.
Claims (1)
1. AC dump Rapid Alarm device, is characterized in that: the test section, processing section and the operating part that comprise electrical connection successively, described test section comprises two-phase AC signal input end, diode D1, diode D2, optocoupler OT, capacitor C 1, resistance R 4, resistance R 1, resistance R 2, resistance R 6, resistance R 3, resistance R 5, resistance R 5, resistance R 7, voltage stabilizing triode ZD6, voltage stabilizing diode ZD5 and triode Q8, the positive pole of described diode D1 and diode D2 is electrically connected with two-phase AC signal input end respectively, the negative pole of diode D1 and diode D2 is by resistance R 1 and resistance R 2 and optocoupler OT, optocoupler OT is in parallel with capacitor C 1 and resistance R 2, one end of capacitor C 1 is electrically connected with working power input end PVCC by resistance R 2, one end of resistance R 2 is electrically connected with 1 pin of voltage stabilizing triode Q6 by resistance R 6, the 3 pin ground connection of voltage stabilizing triode Q6,2 pin of voltage stabilizing triode Q6 are connected with the negative electricity of one end of resistance R 5 and voltage stabilizing diode ZD5, the other end of resistance R 5 connects working power input end VCC, the positive pole of voltage stabilizing diode ZD5 is electrically connected with the base stage of triode Q8, the emitter of triode Q8 is electrically connected with base stage and ground connection by resistance R 85, the collector of triode Q8 is electrically connected with working power input end VCC by resistance R 8, between the collector of triode Q8 and resistance R 8, it is power-off signal output terminal, described processing section comprises a control process chip MCU and the power supply unit being connected with control process chip MCU, state operating part and comprise button, capacitor C 2, resistance R 9, stabilivolt ZD7, triode Ql and warning device, the power supply unit of described processing section is electrically connected with the positive pole of described stabilivolt ZD7 by described resistance R 9, and by described capacitor C 2 ground connection, the negative pole of described stabilivolt ZD7 is electrically connected with the base stage of described triode Ql, and the collector of described triode Ql is electrically connected with described warning device, one end of described button is electrically connected on described resistance R 9 and described stabilivolt ZD7, and the other end of described button is by resistance R 11 ground connection, the emitter of described triode Ql and base stage interconnect by a resistance R 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283002.6A CN104034999A (en) | 2014-06-23 | 2014-06-23 | Alternating-current power failure quick alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410283002.6A CN104034999A (en) | 2014-06-23 | 2014-06-23 | Alternating-current power failure quick alarm |
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| Publication Number | Publication Date |
|---|---|
| CN104034999A true CN104034999A (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410283002.6A Pending CN104034999A (en) | 2014-06-23 | 2014-06-23 | Alternating-current power failure quick alarm |
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| Country | Link |
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| CN (1) | CN104034999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635020A (en) * | 2014-12-26 | 2015-05-20 | 国家电网公司 | Energy-saving and environment-friendly remote alarm circuit for power outage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135811Y (en) * | 1992-05-10 | 1993-06-09 | 隋创 | Alarm device |
| CN203907872U (en) * | 2014-05-13 | 2014-10-29 | 兴化市天诚消防器材有限公司 | Fire smoke exhaust system with power outage alarm function |
| CN204065298U (en) * | 2014-06-23 | 2014-12-31 | 苏州塔可盛电子科技有限公司 | AC dump Rapid Alarm device |
-
2014
- 2014-06-23 CN CN201410283002.6A patent/CN104034999A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2135811Y (en) * | 1992-05-10 | 1993-06-09 | 隋创 | Alarm device |
| CN203907872U (en) * | 2014-05-13 | 2014-10-29 | 兴化市天诚消防器材有限公司 | Fire smoke exhaust system with power outage alarm function |
| CN204065298U (en) * | 2014-06-23 | 2014-12-31 | 苏州塔可盛电子科技有限公司 | AC dump Rapid Alarm device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635020A (en) * | 2014-12-26 | 2015-05-20 | 国家电网公司 | Energy-saving and environment-friendly remote alarm circuit for power outage |
| CN104635020B (en) * | 2014-12-26 | 2019-04-02 | 国家电网公司 | A kind of energy-saving and environment-friendly power-off remote alarms circuit |
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Application publication date: 20140910 |