CN106023551B - One kind simulation flame light source independent clock alarm self-checking circuit - Google Patents
One kind simulation flame light source independent clock alarm self-checking circuit Download PDFInfo
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- CN106023551B CN106023551B CN201610598168.6A CN201610598168A CN106023551B CN 106023551 B CN106023551 B CN 106023551B CN 201610598168 A CN201610598168 A CN 201610598168A CN 106023551 B CN106023551 B CN 106023551B
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- 238000004088 simulation Methods 0.000 title claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 9
- 230000007257 malfunction Effects 0.000 claims description 7
- 238000003745 diagnosis Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/12—Checking intermittently signalling or alarm systems
- G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
- G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
One kind simulation flame light source independent clock alarm self-checking circuit, includes the flame photoelectric sensor and external power source of outside, and structure is：Charging circuit connects external power source and charge inside power supply, internal charge power supply is charged by external power source, internal clock pulse generator power input is connected between charging circuit and charge inside power supply, and the pulse output of internal clock pulse generator is input into by simulating the connection of flame light source with one of gate circuit；Flame photoelectric sensor outside the input connection of photoisolator, output end connection and another input of gate circuit, sound prompt circuit is connected with the output end with gate circuit.Simple circuit original paper is used in the present apparatus, Billy is more stable with corresponding chip treatment work, and the requirement to working environment is lower, applicable performance is strong, and maintenance and later maintenance cost are also reduced while reducing production cost.
Description
Technical field
The invention is related to a kind of self-checking circuit, more particularly to a kind of simulation flame light source independent clock alarm self-inspection electricity
Road.
Background technology
With continuing to develop for economic construction and social civilization, and large-scale place of public amusement, market, airport, wait it is big
The quantity such as the Room, subway station, warehouse, oil depot are continuously increased, and fire also constantly occurs.Therefore, the detection of the condition of a fire, sensing technology
Constantly obtain therewith perfect.
At present, it is also more and more using photoelectric detecting technologies such as infrared sensor, Ultraviolet sensors in the world.But it is such
Device is seldom provided with self-checking function, or self-checking function and imperfect, when disaster comes interim, that is, fire high incidence period,
At this moment system clock or power supply are easy to break down, and whole warning system is also just paralysed therewith.It is such there is presently no solving
The stabilization of problem, accurate self-checking unit.When system clock occurs or problem power supply occurs, total system can be caused normal
Work, greatly reduces the unfailing performance of system, and the lighter does not have proper function, and severe one delays the treatment to the condition of a fire, and weight occurs
Major break down.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of simulation flame light source independent clock alarm self-inspection
Circuit, by being provided with external power supply and internal clock pulse generator, clock system is improved independently of overall inspection system
Stability, and for apparatus above, the circuit and sound prompt circuit for self-inspection are provided with, alarm when a failure occurs it
Device is alarmed, and by the situation of system relay indicating light, the faulty section of circuit is determined, when solving system present in prior art
Clock working condition is it cannot be guaranteed that and occur do not have the technical problem of corresponding self-checking function during such failure.
To achieve these goals, the technical scheme that the invention is used is a kind of simulation flame light source independent clock report
Alert self-checking circuit, include charging circuit, charge inside power supply, internal clock pulse generator, simulation flame light source, photoelectricity every
From device and gate circuit, relay indicating light and sound prompt circuit, it is characterised in that：Charging circuit connects external power source and inside
Charge power supply, is charged by external power source to internal charge power supply, the connection of internal clock pulse generator power input
Between charging circuit and charge inside power supply, the pulse output of internal clock pulse generator is connected by simulating flame light source
With an input of gate circuit；Flame photoelectric sensor outside the input connection of photoisolator, output end connection and door
Another input of circuit, sound prompt circuit is connected with the output end with gate circuit.
Include resistance I and resistance II in described sound prompt circuit, the output end of gate circuit successively with resistance I, electricity
Resistance II connections, the current output terminal of resistance II is connected with the negative pole of charge inside power supply, and electric capacity is connected in parallel on resistance II, NAND gate
One input of circuit is connected with the current input terminal of resistance II and the positive pole of electric capacity, in another input connection of NAND gate circuit
The positive pole of portion's charge power supply, the output end of NAND gate circuit connects the current input terminal of alarm, in the negative pole connection of alarm
The negative pole of portion's charge power supply.
Resistance of the resistance of described resistance I less than resistance II.
Relay indicating light is also associated with the current output terminal of simulation flame light source, the current output terminal of relay indicating light connects
Connect the negative pole of charge inside power supply.
It is a kind of simulate flame light source independent clock alarm self-checking circuit application method be：
1st, power supply switching：External power source connects charging circuit, and internal charge power supply is charged by charging circuit, when
During external power source normal work, internal clock pulse generator is powered by the current output terminal of charging circuit, when outer
When portion's power supply is faulty, charging circuit reversely ends, photoisolator and external circuit Phototube Coupling, and charge inside power supply is internal
Portion's clock pulse generator is powered, it is ensured that internal clock pulse generator is constantly in normal operating conditions；
2nd, it is primary to judge：When internal clock pulse generator is working properly, and flame photoelectric sensor has inductive impulse
Signal, synchronization pulse is output as with gate circuit；When gate circuit input be not synchronization pulse when, with gate circuit export
It is the low level of " 0 "；
5th, ultimate judgement：When pulse signal is output as with gate circuit, due to two resistance effects, make capacitor discharge time
The ＞ charging intervals, now two inputs of NAND gate circuit be " 1 ", output end for " 0 " low level, now alarm without
Sound；When the low level of " 0 " is output as with gate circuit, due to pull down resistor II electric discharges, electric capacity is caused for low level state, it is and non-
The input of gate circuit 2 is non-complete " 1 ", then NAND gate circuit is output as the high level of " 1 ", and now alarm is sound；
6th, fault detail diagnosis：When alarm sends fault cues sound, according to the situation of relay indicating light, circuit is determined
Break down section：When relay indicating light does not dodge, do not work, when illustrating circuit malfunctions section for inside before relay indicating light
Clock pulse generator, charging circuit and charge inside power supply；When relay indicating light is glittering, circuit malfunctions Duan Weihuo is illustrated
Flame photoelectric sensor, photoisolator.
The beneficial effect of the invention is：The invention provides a kind of simulation flame light source independent clock alarm
Self-checking circuit, by being provided with external power supply and internal clock pulse generator, clock system independently of overall inspection system,
Stability is improved, and for apparatus above, is provided with the circuit and sound prompt circuit for self-inspection, when a failure occurs it
Alarm equipment alarm, by the situation of system relay indicating light, determines the faulty section of circuit.And using simple electricity in the present apparatus
Road original paper, Billy is more stable with corresponding chip treatment work, and the requirement to working environment is lower, and applicable performance is strong, and
Maintenance and later maintenance cost are also reduced while reducing production cost.
Brief description of the drawings
Fig. 1：It is the invention circuit theory diagrams.
Specific embodiment
One kind simulation flame light source independent clock alarm self-checking circuit, includes charging circuit 1, charge inside power supply 2, interior
Portion's clock pulse generator 3, simulation flame light source 4, photoisolator 5 and gate circuit 6, relay indicating light 7 and sound prompt electricity
Road 8, it is characterised in that：Charging circuit 1 connects external power source and charge inside power supply 2, by external power source to charge inside electricity
Source 2 is charged, and the power input of internal clock pulse generator 3 is connected between charging circuit 1 and charge inside power supply 2,
The pulse output of internal clock pulse generator 3 is input into by simulating the connection of flame light source 4 with one of gate circuit 6；Photoelectricity every
From the outside flame photoelectric sensor of the input connection of device 5, another of output end connection and gate circuit 6 are input into, with door
The output end of circuit 6 is connected with sound prompt circuit 8.
Include resistance I8-4 and resistance II8-5 in described sound prompt circuit 8, the output end of gate circuit 6 successively with
Resistance I8-4, resistance II8-5 are connected, and the current output terminal of resistance II8-5 is connected with the negative pole of charge inside power supply 2, electric capacity 8-3
It is connected in parallel on resistance II8-5, an input of NAND gate circuit 8-2 has ambiguity with the current input terminal other end of resistance II8-5,
Not one end, it is not possible to and the positive pole of electric capacity 8-3 is connected, another input connection charge inside power supplys 2 of NAND gate circuit 8-2
Positive pole, the current input terminal of the output end connection alarm 8-1 of NAND gate circuit 8-2, the negative pole connection of alarm 8-1 is internal
The negative pole of charge power supply 2.
Resistance of the resistance of described resistance I8-4 less than resistance II8-5.Wherein resistance I8-4 Standard resistance ranges are more than 0
Ω, less than or equal to 100 Ω；Resistance II8-5 Standard resistance ranges are 1-10K Ω.
Relay indicating light 7, the electric current output of relay indicating light 7 are also associated with the current output terminal of simulation flame light source 4
End connects the negative pole of charge inside power supply 2.
It is a kind of simulate flame light source independent clock alarm self-checking circuit application method be：
1st, power supply switching：External power source connects charging circuit 1, is filled by 1 pair of internal charge power supply 2 of charging circuit
Electricity, when external power source normal work, is supplied internal clock pulse generator 3 by the current output terminal of charging circuit 1
Electricity, when external power source is faulty, charging circuit 1 reversely ends, photoisolator 5 and external circuit Phototube Coupling, and inside is filled
The internal clock pulse generator 3 of power supply 2 pairs is powered, it is ensured that internal clock pulse generator 3 is constantly in normal work
State；
2nd, it is primary to judge：When internal clock pulse generator 3 is working properly, and flame photoelectric sensor has inductive impulse
Signal, synchronization pulse is output as with gate circuit 6；When gate circuit 6 input be not synchronization pulse when, with gate circuit 6
It is output as the low level of " 0 "；
5th, ultimate judgement：When pulse signal is output as with gate circuit 6, due to two resistance effects, electric capacity 8-3 is set to discharge
Charging interval time ＞, now two inputs of NAND gate circuit 8-2 be " 1 ", output end for " 0 " low level, this Times
Alert device 8-1 is noiseless；When the low level of " 0 " is output as with gate circuit 6, due to pull down resistor II8-5 electric discharges, electric capacity 8-3 is caused
It is low level state, NAND gate circuit 8-22 inputs are non-complete " 1 ", then NAND gate circuit 8-2 is output as the high level of " 1 ", this
8-1 is sound for alarm device；
6th, fault detail diagnosis：When alarm 8-1 sends fault cues sound, according to the situation of relay indicating light 7, it is determined that
Circuit malfunctions section：When relay indicating light 7 does not dodge, do not work, illustrate circuit malfunctions section for before relay indicating light 7
Internal clock pulse generator 3, charging circuit 1 and charge inside power supply 2；When relay indicating light 7 is glittering, illustrate that circuit occurs
Faulty section is flame photoelectric sensor, photoisolator 5.
Claims (4)
1. a kind of simulation flame light source independent clock alarm self-checking circuit, includes charging circuit（1）, charge inside power supply（2）、
Internal clock pulse generator（3）, simulation flame light source（4）, photoisolator（5）With gate circuit（6）, relay indicating light（7）
With sound prompt circuit（8）, it is characterised in that：Charging circuit（1）Connection external power source and charge inside power supply（2）, by outer
Portion's power supply is to internal charge power supply（2）Charged, internal clock pulse generator（3）Power input is connected to charging circuit
（1）With charge inside power supply（2）Between, internal clock pulse generator（3）Pulse export by simulating flame light source（4）Even
Connect and gate circuit（6）One input；Photoisolator（5）Input connection outside flame photoelectric sensor, output end
Connection and gate circuit（6）Another input, with gate circuit（6）Output end be connected with sound prompt circuit（8）；
A kind of application method of above-mentioned simulation flame light source independent clock alarm self-checking circuit is：
1）, power supply switching：External power source connects charging circuit（1）, by charging circuit（1）To internal charge power supply（2）Carry out
Charge, when external power source normal work, by charging circuit（1）Current output terminal to internal clock pulse generator（3）
It is powered, when external power source is faulty, charging circuit（1）Reversely cut-off, photoisolator（5）With external circuit photoelectricity every
From charge inside power supply（2）To internal clock pulse generator（3）It is powered, it is ensured that internal clock pulse generator（3）One
Directly it is in normal operating conditions；
2）, primary judge：When internal clock pulse generator（3）When working properly, and flame photoelectric sensor has inductive impulse
Signal, with gate circuit（6）It is output as synchronization pulse；Work as gate circuit（6）When being not synchronization pulse of input, with door electricity
Road（6）It is output as the low level of " 0 "；
5）, ultimate judgement：When with gate circuit（6）When being output as pulse signal, due to two resistance effects, make electric capacity（8-3）Put
Electric time ＞ charging intervals, now NAND gate circuit（8-2）Two inputs are " 1 ", and output end is the low level of " 0 ", this
Alarm device（8-1）It is noiseless；When with gate circuit（6）When being output as the low level of " 0 ", due to pull down resistor II（8-5）Electric discharge, causes
Make electric capacity（8-3）It is low level state, NAND gate circuit（8-2）Input is non-complete " 1 ", then NAND gate circuit（8-2）It is output as
The high level of " 1 ", now alarm（8-1）It is sound；
6）, fault detail diagnosis：In alarm（8-1）When sending fault cues sound, according to relay indicating light（7）Situation, really
Determine circuit malfunctions section：Work as relay indicating light（7）When not dodging, not working, illustrate that circuit malfunctions section is relay indicating light（7）
Internal clock pulse generator before（3）, charging circuit（1）With charge inside power supply（2）；Work as relay indicating light（7）It is glittering
When, illustrate that circuit malfunctions section is flame photoelectric sensor, photoisolator（5）.
2. one kind according to claim 1 simulates flame light source independent clock alarm self-checking circuit, it is characterised in that：It is described
Sound prompt circuit（8）In include resistance I（8-4）With resistance II（8-5）, with gate circuit（6）Output end successively with electricity
Resistance I（8-4）, resistance II（8-5）Connection, resistance II（8-5）Current output terminal and charge inside power supply（2）Negative pole connection,
Electric capacity（8-3）It is connected in parallel on resistance II（8-5）On, NAND gate circuit（8-2）An input and resistance II（8-5）Electric current input
End and electric capacity（8-3）Positive pole connection, NAND gate circuit（8-2）Another input connects charge inside power supply（2）Positive pole, with
Not circuit（8-2）Output end connection alarm（8-1）Current input terminal, alarm（8-1）Negative pole connection internal fill
Power supply（2）Negative pole.
3. one kind according to claim 2 simulates flame light source independent clock alarm self-checking circuit, it is characterised in that：It is described
Resistance I（8-4）Resistance be less than resistance II（8-5）Resistance.
4. one kind according to claim 1 simulates flame light source independent clock alarm self-checking circuit, it is characterised in that：In mould
Intend flame light source（4）Current output terminal be also associated with relay indicating light（7）, relay indicating light（7）Current output terminal connection
Charge inside power supply（2）Negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598168.6A CN106023551B (en) | 2016-07-27 | 2016-07-27 | One kind simulation flame light source independent clock alarm self-checking circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610598168.6A CN106023551B (en) | 2016-07-27 | 2016-07-27 | One kind simulation flame light source independent clock alarm self-checking circuit |
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| CN106023551A CN106023551A (en) | 2016-10-12 |
| CN106023551B true CN106023551B (en) | 2017-07-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109613367A (en) * | 2018-12-21 | 2019-04-12 | 广电计量检测（成都）有限公司 | A kind of induction spiking generator system and induction spiking generator |
| CN110307944B (en) * | 2019-07-30 | 2020-10-16 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Distributed intelligent water leakage detection system and method for deep-sea submersible |
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|---|---|---|---|---|
| US3928849A (en) * | 1974-12-17 | 1975-12-23 | Us Energy | Intrusion detector self-test system |
| SU1119049A1 (en) * | 1983-06-17 | 1984-10-15 | Предприятие П/Я В-8690 | Fire-alarm device |
| CN202454008U (en) * | 2012-01-16 | 2012-09-26 | 河南汉威电子股份有限公司 | Sound and light alarm equipment monitoring circuit |
| CN204926381U (en) * | 2015-09-20 | 2015-12-30 | 重庆宁来科贸有限公司 | Take precaution device of self -checking |
| CN205158543U (en) * | 2015-11-21 | 2016-04-13 | 翁文彬 | Intelligent building system of fleing of self -checking regularly |
-
2016
- 2016-07-27 CN CN201610598168.6A patent/CN106023551B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3928849A (en) * | 1974-12-17 | 1975-12-23 | Us Energy | Intrusion detector self-test system |
| SU1119049A1 (en) * | 1983-06-17 | 1984-10-15 | Предприятие П/Я В-8690 | Fire-alarm device |
| CN202454008U (en) * | 2012-01-16 | 2012-09-26 | 河南汉威电子股份有限公司 | Sound and light alarm equipment monitoring circuit |
| CN204926381U (en) * | 2015-09-20 | 2015-12-30 | 重庆宁来科贸有限公司 | Take precaution device of self -checking |
| CN205158543U (en) * | 2015-11-21 | 2016-04-13 | 翁文彬 | Intelligent building system of fleing of self -checking regularly |
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| CN106023551A (en) | 2016-10-12 |
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