CN110164066A - A kind of Security alert indicator light - Google Patents
A kind of Security alert indicator light Download PDFInfo
- Publication number
- CN110164066A CN110164066A CN201711482621.8A CN201711482621A CN110164066A CN 110164066 A CN110164066 A CN 110164066A CN 201711482621 A CN201711482621 A CN 201711482621A CN 110164066 A CN110164066 A CN 110164066A
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- CN
- China
- Prior art keywords
- triode
- circuit
- indicator light
- capacitor
- security alert
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of Security alert indicator lights, including AC-DC converting circuit, detection circuit, pierce circuit and indicator light circuit；The AC-DC converting circuit is separately connected detection circuit, pierce circuit and indicator light circuit, and detection circuit is also connected with pierce circuit, and pierce circuit is also connected with indicator light circuit.Security alert indicator light of the present invention is powered using anti-jamming power-supply, use LED lamp as light source, in conjunction with gas sensor and triode, improvement has been made for existing gas alarm, gas detection and illuminator are combined, lamps and lanterns can be used as illumination under normal circumstances, and flashing when encountering triggering alarm condition can be good at playing safety warning effect.
Description
Technical field
The present invention relates to security alarm technical field, specifically a kind of Security alert indicator light.
Background technique
Modern to use coal gas as kitchen fuel there are also many families, coal gas is easy to cause anthracemia, an oxygen
Change product when carbon poisoning is carbonaceous material incomplete combustion to cause to be poisoned through respiratory tract sucking.Mechanism of poisoning be carbon monoxide with
The affinity of hemoglobin is 200~300 times higher than the affinity of oxygen and hemoglobin, thus carbon monoxide easily with hemoglobin
In conjunction with formation carbonyl haemoglobin makes hemoglobin lose the ability and effect of oxygen carrying, tissue is caused to suffocate.To the group of whole body
The toxic effect of cell is knitted, it is especially the most serious on corticocerebral influence, therefore gas leak once occurs, it may cause
Extremely serious consequence, existing gas leak detector mostly uses greatly loudspeaker alarm in the market, and alarm is sharp, if in family
There are baby or old man, very big stimulation can be caused to it, and existing alarm only has simple warning function, uses
Rate is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of Security alert indicator lights, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of Security alert indicator light, including AC-DC converting circuit, detection circuit, pierce circuit and indicator light circuit；It is described
AC-DC converting circuit is separately connected detection circuit, pierce circuit and indicator light circuit, and detection circuit is also connected with pierce circuit,
Pierce circuit is also connected with indicator light circuit.
As further scheme of the invention: the AC-DC converting circuit includes step-down transformer W, rectifier bridge T and filtering
Device, the armature winding N1 connection 220V alternating current of step-down transformer W, the secondary windings N2 connection rectifier bridge T's of step-down transformer W
Voltage input end 1,3, the voltage output end 2 of rectifier bridge T connect inductance L1 and capacitor C2, and the other end of inductance L1 connects capacitor C3
With output voltage U1, the voltage output end 4 of the other end connection inductance L2 and rectifier bridge T of capacitor C2, the other end of capacitor C3 connects
Connect the other end and ground of inductance L2.
As further scheme of the invention: the detection circuit includes gas sensor U, potentiometer RP1, diode D1
With triode V3, the foot 1 of gas sensor U connects anode, DC voltage VCC and the gas sensor U of battery E by resistance
Foot 3, the foot 4 of gas sensor U connects a fixing end of potentiometer RP1, and another fixing end of potentiometer RP1, which connects, to be stored
The cathode of battery E, another fixing end 2 of potentiometer RP1 and emitter and the ground connection of triode V3, the sliding of potentiometer RP1
The anode of end connection diode D1, the base stage of the cathode connected to the transistor V3 of diode D1.
As further scheme of the invention: the pierce circuit includes triode V1, triode V2 and capacitor C1, and three
Emitter connection capacitor C1, the resistance R3 of pole pipe V1 and the base stage of DC voltage VCC, triode V1 connect resistance R2, resistance R2
Other end connecting triode V2 collector and capacitor C1 the other end, the collector connection resistance R4 and capacitor of triode V1
The other end of the emitter connection resistance R4 of C2, triode V2 and the collector of triode V3, the base stage of triode V2 connect electricity
Hold the other end of C2 and the other end of resistance R3.
As further scheme of the invention: the indicator light circuit includes lamps and lanterns H and triode V4, the base of triode V4
The collector of pole connecting triode V1, triode and the emitter of V4 connect lamps and lanterns H, and the other end of lamps and lanterns H connects DC voltage
VCC, the grounded collector of triode V4.
As further scheme of the invention: the model QM-N5 of the gas sensor U.
As further scheme of the invention: the lamps and lanterns H is yellow light LED lamp.
Compared with prior art, the beneficial effects of the present invention are: Security alert indicator light of the present invention uses anti-jamming power-supply
Power supply, uses LED lamp to make and having changed for existing gas alarm in conjunction with gas sensor and triode as light source
Into, gas detection and illuminator are combined, under normal circumstances lamps and lanterns can as illumination use, encounter triggering alarm condition
When flashing, can be good at playing safety warning effect.
Detailed description of the invention
Fig. 1 is the circuit diagram of Security alert indicator light.
Fig. 2 is the circuit diagram of AC-DC converting circuit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of Security alert indicator light referring to FIG. 1-2, including AC-DC converting circuit, detection circuit, pierce circuit and
Indicator light circuit；The AC-DC converting circuit includes step-down transformer W, rectifier bridge T and filter, and the detection circuit includes gas
Dependent sensor U, potentiometer RP1, diode D1 and triode V3, the pierce circuit include triode V1, triode V2 and
Capacitor C1, indicator light circuit include lamps and lanterns H and triode V4.The armature winding N1 connection 220V alternating current of step-down transformer W, drop
The voltage output end 2 of the voltage input end 1,3 of the secondary windings N2 connection rectifier bridge T of pressure transformer W, rectifier bridge T connects inductance
The other end of L1 and capacitor C2, inductance L1 connects capacitor C3 and output voltage U1, the other end connection inductance L2 of capacitor C2 and whole
Flow the voltage output end 4 of bridge T, the other end and ground of the other end connection inductance L2 of capacitor C3.The foot 1 of gas sensor U passes through
Resistance connects the foot 3 of the anode of battery E, DC voltage VCC and gas sensor U, and the foot 4 of gas sensor U connects current potential
A fixing end of device RP1, another fixing end connection cathode of battery E of potentiometer RP1, potentiometer RP1 another
The emitter of fixing end 2 and triode V3 and ground connection, the anode of the sliding end connection diode D1 of potentiometer RP1, diode D1
Cathode connected to the transistor V3 base stage.Emitter connection capacitor C1, resistance R3 and the DC voltage VCC of triode V1, three poles
The base stage of pipe V1 connects resistance R2, the collector of the other end connecting triode V2 of resistance R2 and the other end of capacitor C1, three poles
The collector of pipe V1 connects resistance R4 and capacitor C2, the other end of the emitter connection resistance R4 of triode V2 and triode V3's
Collector, the other end of the base stage connection capacitor C2 of triode V2 and the other end of resistance R3.The base stage connection three of triode V4
The emitter of the collector of pole pipe V1, triode and V4 connect lamps and lanterns H, and the other end of lamps and lanterns H connects DC voltage VCC, three poles
The grounded collector of pipe V4.
The working principle of the invention is: Fig. 2 show AC-DC converting circuit figure, and the transformer W in figure is step-down transformer,
Rectifier bridge T completes to hand over straight conversion, can eliminate alternating current by the pi type filter that capacitor C2, capacitor C3, inductance L1 and inductance L2 are formed
It interferes, the Detection Circuit in Fig. 2 is made of gas sensor U, resistance R1 and potentiometer RP1.Controlled oscillator circuit by
Potentiometer RP1, diode D1, triode V1~V3, resistance R2 and R3, capacitor C1, C2 and triode V4 composition.Lighting circuit by
Battery E, lamps and lanterns H composition.Under normal circumstances, the base stage of p-type triode V4 does not have trigger current, and lamps and lanterns H is lighted.It is passed in air-sensitive
It is in high-impedance state between 3,4 feet, D1 and V3 are in off state, triode V4 base stage when pernicious gas is not detected in sensor U
Must not be electric, lamps and lanterns H works in illumination condition.When the harmful gas concentration in environment is more than limit standard, gas sensor 3,4
Internal resistance decline between foot, rises current potential at the center RP1, D1 and V3 conducting, oscillator oscillatory work, and triode V4 interval is led
It is logical, make lamps and lanterns H flashing, user is reminded to pay attention to ventilation.
This product has made improvement for existing gas alarm, gas detection and illuminator is combined, normally
In the case of lamps and lanterns can as illumination use, encounter triggering alarm condition when flashing, can be good at playing security warning
Effect.
Claims (7)
1. a kind of Security alert indicator light, including AC-DC converting circuit, detection circuit, pierce circuit and indicator light circuit；Its
It is characterized in that, the AC-DC converting circuit is separately connected detection circuit, pierce circuit and indicator light circuit, and detection circuit also connects
Pierce circuit is connect, pierce circuit is also connected with indicator light circuit.
2. a kind of Security alert indicator light according to claim 1, which is characterized in that the AC-DC converting circuit includes drop
Pressure transformer W, rectifier bridge T and filter, the armature winding N1 connection 220V alternating current of step-down transformer W, step-down transformer W's
The voltage output end 2 of the voltage input end 1,3 of secondary windings N2 connection rectifier bridge T, rectifier bridge T connects inductance L1 and capacitor C2,
The other end of inductance L1 connects capacitor C3 and output voltage U1, the voltage of the other end connection inductance L2 and rectifier bridge T of capacitor C2
Output end 4, the other end and ground of the other end connection inductance L2 of capacitor C3.
3. a kind of Security alert indicator light according to claim 1, which is characterized in that the detection circuit includes that air-sensitive passes
Sensor U, potentiometer RP1, diode D1 and triode V3, the foot 1 of gas sensor U connected by resistance battery E anode,
The foot 3 of DC voltage VCC and gas sensor U, the foot 4 of gas sensor U connect a fixing end of potentiometer RP1, current potential
The transmitting of the cathode, another fixing end 2 and triode V3 of potentiometer RP1 of another fixing end connection battery E of device RP1
Pole is simultaneously grounded, the anode of the sliding end connection diode D1 of potentiometer RP1, the base of the cathode connected to the transistor V3 of diode D1
Pole.
4. a kind of Security alert indicator light according to claim 1, which is characterized in that the pierce circuit includes three poles
Pipe V1, triode V2 and capacitor C1, emitter connection capacitor C1, the resistance R3 and DC voltage VCC, triode V1 of triode V1
Base stage connect resistance R2, the collector of the other end connecting triode V2 of resistance R2 and the other end of capacitor C1, triode V1
Collector connect resistance R4 and capacitor C2, triode V2 emitter connection resistance R4 the other end and triode V3 current collection
Pole, the other end of the base stage connection capacitor C2 of triode V2 and the other end of resistance R3.
5. a kind of Security alert indicator light according to claim 1, which is characterized in that the indicator light circuit includes lamps and lanterns
The collector of the base stage connecting triode V1 of H and triode V4, triode V4, triode connect lamps and lanterns H, lamp with the emitter of V4
The other end for having H connects DC voltage VCC, the grounded collector of triode V4.
6. a kind of Security alert indicator light according to claim 3, which is characterized in that the model of the gas sensor U
For QM-N5.
7. a kind of Security alert indicator light according to claim 1, which is characterized in that the lamps and lanterns H is LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482621.8A CN110164066A (en) | 2017-12-29 | 2017-12-29 | A kind of Security alert indicator light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482621.8A CN110164066A (en) | 2017-12-29 | 2017-12-29 | A kind of Security alert indicator light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110164066A true CN110164066A (en) | 2019-08-23 |
Family
ID=67640936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482621.8A Pending CN110164066A (en) | 2017-12-29 | 2017-12-29 | A kind of Security alert indicator light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110164066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021178279A1 (en) * | 2020-03-02 | 2021-09-10 | Rheem Manufacturing Company | Systems and methods for monitoring cathodic protection degradation |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895367A (en) * | 1973-10-10 | 1975-07-15 | Visser Johan Willem | Gas indicator with semiconductive gas sensor |
| CN204244522U (en) * | 2014-11-05 | 2015-04-01 | 成都龙腾中远信息技术有限公司 | The excessive warning miner's lamp circuit of a kind of gas for mine operation |
| CN104597084A (en) * | 2013-11-03 | 2015-05-06 | 四川宝英光电有限公司 | Simple gas detector for exhaust gas treatment |
| CN204990632U (en) * | 2015-07-17 | 2016-01-20 | 渤海大学 | Gaseous alarm of laboratory electronics |
| CN205068718U (en) * | 2015-09-24 | 2016-03-02 | 成都汇骏盟邦科技有限公司 | A light warning circuit for gas monitor |
| CN205489700U (en) * | 2016-03-25 | 2016-08-17 | *** | Low -cost intelligent charging ware |
-
2017
- 2017-12-29 CN CN201711482621.8A patent/CN110164066A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895367A (en) * | 1973-10-10 | 1975-07-15 | Visser Johan Willem | Gas indicator with semiconductive gas sensor |
| CN104597084A (en) * | 2013-11-03 | 2015-05-06 | 四川宝英光电有限公司 | Simple gas detector for exhaust gas treatment |
| CN204244522U (en) * | 2014-11-05 | 2015-04-01 | 成都龙腾中远信息技术有限公司 | The excessive warning miner's lamp circuit of a kind of gas for mine operation |
| CN204990632U (en) * | 2015-07-17 | 2016-01-20 | 渤海大学 | Gaseous alarm of laboratory electronics |
| CN205068718U (en) * | 2015-09-24 | 2016-03-02 | 成都汇骏盟邦科技有限公司 | A light warning circuit for gas monitor |
| CN205489700U (en) * | 2016-03-25 | 2016-08-17 | *** | Low -cost intelligent charging ware |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021178279A1 (en) * | 2020-03-02 | 2021-09-10 | Rheem Manufacturing Company | Systems and methods for monitoring cathodic protection degradation |
| US11359293B2 (en) | 2020-03-02 | 2022-06-14 | Rheem Manufacturing Company | Systems and methods for monitoring cathodic protection degradation |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190823 |