CN103886719A - Earthquake early-stage electronic reminding device - Google Patents
Earthquake early-stage electronic reminding device Download PDFInfo
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- CN103886719A CN103886719A CN201410158517.3A CN201410158517A CN103886719A CN 103886719 A CN103886719 A CN 103886719A CN 201410158517 A CN201410158517 A CN 201410158517A CN 103886719 A CN103886719 A CN 103886719A
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- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 238000012544 monitoring process Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 13
- 230000003321 amplification Effects 0.000 claims abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 230000019771 cognition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
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Abstract
The invention discloses an earthquake early-stage electronic reminding device. The earthquake early-stage electronic reminding device is characterized by comprising a 9V direct-current power supply, an earthquake signal monitoring and voltage comparison circuit and a level signal amplification and buzzer driving circuit. The earthquake signal monitoring and voltage comparison circuit consists of a monitoring probe JT, a resistor R1, a resistor R2, an electrolytic capacitor C1, an operational amplifier IC1, four switch diodes D1-D4 and a resistor R3, wherein the model of the operational amplifier IC1 is CA3140, and the model of the switch diodes D1-D4 is 1N4148. The level signal amplification and buzzer driving circuit consists of a resistor R4, an electrolytic capacitor C2, an NPN-type transistor VT1 and a buzzer HA. The earthquake early-stage electronic reminding device uses the operational amplifier with high input impedance as a core element, can rapidly monitor a first earthquake wave when an above-class-4 earthquake occurs at an early stage and can instantly start voice early warning once the monitoring probe is touched.
Description
Technical field
The invention belongs to electronics and earthquake measuring technical field, is about the early stage electronic reminding device of a kind of earthquake.
Background technology
Earthquake occurs night, and people have a rest in room, and this life extent of injury maximum to people, makes people hard to guard against.If can there is early stage moment in earthquake, if can win tens second time, a lot of people just likely brush past with disability or Death.Earthquake be damage envelope wide, cause life and property is very harmful and be a kind of irresistible disaster, Scientific Cognition is failed effectively to grasp the generation of earthquake and is observed and predicted rule so far.
The early stage electronic reminding device of earthquake of the present invention can be early stage in the more than 4 grades earthquake of generation, can monitor first seismic event in the utmost point short time, will start sound early warning moment, wakes immediately you in sleeping soundly.Before violent earthquake occurs, can be you and win tens second extremely valuable departure time, contribute to people to evacuate to rapidly safety area, even can only win the escape time of several seconds, also can significantly reduce the harm of earthquake to people's life.
The early stage electronic reminding device of earthquake of the present invention uses the higher operational amplifier of input impedance as core parts, is touched once run into monitoring probe, and hummer is sounding immediately, substantially can stop the phenomenon that wrong report occurs or fail to report.This technical scheme has been simplified circuit structure, has reduced manufacture difficulty and the cost of prior-warning device, has realized that monitor earthquake is highly sensitive, the requirement of reliable working performance.The early stage electronic reminding device of earthquake of the present invention is adapted at the earthquake place such as regional family, school, hospital that takes place frequently and uses.
Below describe the early stage electronic reminding device of earthquake of the present invention related relevant core technology content in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: the early stage electronic reminding device of earthquake of the present invention can be early stage in the more than 4 grades earthquake of generation, can monitor first seismic event in the utmost point short time, will start sound early warning moment, wakes immediately you in sleeping soundly.Before violent earthquake occurs, can be you and win tens second extremely valuable departure time, contribute to people to evacuate to rapidly safety area, even can only win the escape time of several seconds, also can significantly reduce the harm of earthquake to people's life.The early stage electronic reminding device of earthquake of the present invention uses the higher operational amplifier of input impedance as core parts, is touched once run into monitoring probe, and hummer is sounding immediately, substantially can stop the phenomenon that wrong report occurs or fail to report.This technical scheme has been simplified circuit structure, has reduced manufacture difficulty and the cost of prior-warning device, has realized that monitor earthquake is highly sensitive, the requirement of reliable working performance.The early stage electronic reminding device of earthquake of the present invention is adapted at the earthquake place such as regional family, school, hospital that takes place frequently and uses.
Circuit working principle: in the circuit of the early stage electronic reminding device of earthquake, operational amplifier IC1 peripheral circuit uses 4 switching diode D1～D4 mutually to connect and set reference voltage (about 3V) for operational amplifier IC1 the 2nd pin.In the time occurring without earthquake, operational amplifier IC1 the 3rd pin voltage is a little more than the reference voltage of operational amplifier IC1 the 2nd pin, operational amplifier IC2 the 6th pin output low level; Occur early stage in earthquake, when monitoring probe JT is by moment when short circuit, make the reference voltage of operational amplifier IC1 the 3rd pin voltage lower than operational amplifier IC1 the 2nd pin, at this moment operational amplifier IC1 the 6th pin output high level, high level sounds hummer HA by resistance R 4 driving N PN transistor npn npn VT1.In order to increase the reliability of monitoring probe JT in moment short circuit process, the two ends of resistance R 2 met the electrochemical capacitor C1 of 1 low capacity in observation circuit, require the capacity of electrochemical capacitor C1 can not be too large, otherwise electrochemical capacitor C1 because of the duration of charging oversize, on the contrary can production counter productive.
Technical characterictic: the early stage electronic reminding device of earthquake, it comprises 9V direct supply, seismic signal monitoring and voltage comparator circuit, level signal amplification and buzzer drive circuit, it is characterized in that:
Seismic signal monitoring and voltage comparator circuit: it is by monitoring probe JT, resistance R 1, resistance R 2 and electrochemical capacitor C1, operational amplifier IC1, 4 switching diode D1～D4 and resistance R 3 form, the model that operational amplifier IC1 selects is CA3140, the model that 4 switching diode Dl～D4 select is 1N4148, the anodal VCC of operational amplifier IC1 the 7th pin connection circuit, operational amplifier IC1 the 4th pin connection circuit ground GND, 4 switching diode D1～D4 connect mutually, the anodal VCC of the anodal connection circuit of switching diode D1, switching diode D4 negative pole connects operational amplifier IC1 the 2nd pin and resistance R 3 one end, resistance R 3 other end connection circuit ground GND, operational amplifier IC1 the 3rd pin connecting resistance R1 one end and resistance R 2 one end and electrochemical capacitor C1 positive pole, resistance R 2 other ends and electrochemical capacitor C1 negative pole connect the metal sash weight line of monitoring probe JT, metal sash weight line meets tup ZC, becket JSH connection circuit ground GND,
Level signal is amplified and buzzer drive circuit: it is made up of resistance R 4 and electrochemical capacitor C2, NPN transistor VT1 and hummer HA, operational amplifier the 6th pin connects NPN transistor VT1 base stage and electrochemical capacitor C2 positive pole by resistance R 4, NPN transistor VT1 collector connects the negative pole of hummer HA, the anodal VCC of anodal connection circuit of hummer HA, electrochemical capacitor C2 negative pole and NPN transistor VT1 emitter connection circuit ground GND;
The positive pole of 9V direct supply is connected with circuit anode VCC, and the negative pole of 9V direct supply is connected with circuit ground GND.
Brief description of the drawings
Accompanying drawing 1 is the embodiment circuit working schematic diagram that the invention provides an early stage electronic reminding device of earthquake; In accompanying drawing 1 contact of monitoring probe JT in the time of standby in normally open.
Embodiment
According to earthquake early stage electronic reminding device circuit working schematic diagram and brief description of the drawings shown in accompanying drawing 1, and according to annexation between components and parts in the each several part circuit described in summary of the invention, and the components and parts technical parameter described in embodiment requires and circuit production main points are implemented to realize the present invention, below in conjunction with embodiment, correlation technique of the present invention is further described.
The technical parameter of components and parts and selection requirement
IC1 is operational amplifier, the model adopting is CA3140, and it is 8 pin dual inline type DIP encapsulation, and it is inner is the operational amplifier of input with a slice MOSFET, having high input impedance is 1.5T Ω and extremely low input current (10PA), is applicable to do feeble signal and amplifies;
Dl～D4 is switching diode, and the model of selecting is 1N4148;
VT1 is NPN transistor, and the model of selecting is 2SC9013, requires enlargement factor β >=180;
It is 1/8W metalfilmresistor that resistance is selected power, and the resistance of resistance R 1 is 510K Ω; The resistance of resistance R 2 is 100K Ω; The resistance of resistance R 3 is 10K Ω; The resistance of resistance R 4 is 6.8K Ω;
C1 is electrochemical capacitor, and its capacity is 4.7 μ F/16V;
C2 is electrochemical capacitor, and its capacity is 220 μ F/16V;
HA is hummer, requires to select hummer inside to be equipped with audio generating circuit, and operating voltage is 9V;
Direct supply voltage is 9V, can select 6 joint 5 ﹟ alkaline batteries as direct supply.
Circuit production main points, circuit debugging and using method
The making of monitoring probe JT: monitoring probe JT is a kind of mechanical switch that tup is made, tup can use sash weight for building, former sash weight line is used multiply metal wire instead as metal sash weight line, and becket can use the bare copper wire of ￠ 2.5mm to bend, and its diameter is 30～36mm;
Gap between tup and becket, requires gap to be advisable at 2.0～2.5mm, can regulate by the height of lifting tup; Gap between tup and becket is less, and the sensitivity of this device is just higher; For assurance device has enough sensitivity, require the support height >=2.0m of fixing hanging tup;
The main adjusting reference voltage of circuit debugging, selects suitable resistance R1 resistance, to reach desirable detection sensitivity; The resistance of resistance R 4 is 6.8K Ω, and the resistance of regulating resistance R4 can change hummer HA volume;
Standby current :≤50 μ A, when 9V direct supply, when early warning, working current is about 32mA, because circuit is when the static state, NPN transistor VT1 cut-off, hummer HA is noiseless, only have resistance R 1～R4 to consume minute quantity electric energy, therefore 6 joint 5 ﹟ alkaline batteries can use more than 2 years;
For increasing the sensitivity of exploration seismic, use if desired alarm set more than two, can be placed in respectively chummery not and be not easy to be subject to the corner of artificial interference.
Claims (1)
1. the early stage electronic reminding device of earthquake, it comprises 9V direct supply, seismic signal monitoring and voltage comparator circuit, level signal amplification and buzzer drive circuit, it is characterized in that:
Described seismic signal monitoring and voltage comparator circuit are by monitoring probe JT, resistance R 1, resistance R 2 and electrochemical capacitor C1, operational amplifier IC1, 4 switching diode D1～D4 and resistance R 3 form, the model that operational amplifier IC1 selects is CA3140, the model that 4 switching diode Dl～D4 select is 1N4148, the anodal VCC of operational amplifier IC1 the 7th pin connection circuit, operational amplifier IC1 the 4th pin connection circuit ground GND, 4 switching diode D1～D4 connect mutually, the anodal VCC of the anodal connection circuit of switching diode D1, switching diode D4 negative pole connects operational amplifier IC1 the 2nd pin and resistance R 3 one end, resistance R 3 other end connection circuit ground GND, operational amplifier IC1 the 3rd pin connecting resistance R1 one end and resistance R 2 one end and electrochemical capacitor C1 positive pole, resistance R 2 other ends and electrochemical capacitor C1 negative pole connect the metal sash weight line of monitoring probe JT, metal sash weight line meets tup ZC, becket JSH connection circuit ground GND,
Described level signal is amplified with buzzer drive circuit and is made up of resistance R 4 and electrochemical capacitor C2, NPN transistor VT1 and hummer HA, operational amplifier the 6th pin connects NPN transistor VT1 base stage and electrochemical capacitor C2 positive pole by resistance R 4, NPN transistor VT1 collector connects the negative pole of hummer HA, the anodal VCC of anodal connection circuit of hummer HA, electrochemical capacitor C2 negative pole and NPN transistor VT1 emitter connection circuit ground GND;
The positive pole of described 9V direct supply is connected with circuit anode VCC, and the negative pole of 9V direct supply is connected with circuit ground GND.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410158517.3A CN103886719B (en) | 2014-04-18 | 2014-04-18 | The early stage electronic reminding device of earthquake |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410158517.3A CN103886719B (en) | 2014-04-18 | 2014-04-18 | The early stage electronic reminding device of earthquake |
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| CN103886719A true CN103886719A (en) | 2014-06-25 |
| CN103886719B CN103886719B (en) | 2016-04-20 |
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| CN201410158517.3A Expired - Fee Related CN103886719B (en) | 2014-04-18 | 2014-04-18 | The early stage electronic reminding device of earthquake |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160822A (en) * | 2015-10-15 | 2015-12-16 | 周云侠 | Early earthquake early warning apparatus with acousto-optic short-term memory |
| CN105351968A (en) * | 2015-12-01 | 2016-02-24 | 王志 | Touch type delay cigarette lighting device |
| CN105551197A (en) * | 2016-01-31 | 2016-05-04 | 周云侠 | Early stage acousto-optic alarm device for early stage of earthquake occurrence |
| CN106385884A (en) * | 2016-08-27 | 2017-02-15 | 周芸 | Mechanical planter seed granule falling blocking audible-visual alarm apparatus |
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| CN2241346Y (en) * | 1995-02-20 | 1996-11-27 | 于舒龙 | Advanced alarm device for seism |
| DE202004001270U1 (en) * | 2004-01-29 | 2004-07-01 | Lieb, Eike | Earthquake prediction circuit uses a vibration sensor to obtain measurement data, which are then compared in a digital circuit with an optical coupler to existing earthquake data |
| US20090285520A1 (en) * | 2008-05-16 | 2009-11-19 | Celight, Inc. | Optical sensor with distributed sensitivity |
| CN201965739U (en) * | 2011-04-01 | 2011-09-07 | 黄勇 | Sound-light reminding device for coming earthquake |
| CN103198621A (en) * | 2013-04-23 | 2013-07-10 | 黄宇嵩 | Electronic early-warning device for earthquake occurrence |
| CN203165155U (en) * | 2013-04-25 | 2013-08-28 | 黄勇 | Bridge type earthquake early-warning apparatus |
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2014
- 2014-04-18 CN CN201410158517.3A patent/CN103886719B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2241346Y (en) * | 1995-02-20 | 1996-11-27 | 于舒龙 | Advanced alarm device for seism |
| DE202004001270U1 (en) * | 2004-01-29 | 2004-07-01 | Lieb, Eike | Earthquake prediction circuit uses a vibration sensor to obtain measurement data, which are then compared in a digital circuit with an optical coupler to existing earthquake data |
| US20090285520A1 (en) * | 2008-05-16 | 2009-11-19 | Celight, Inc. | Optical sensor with distributed sensitivity |
| CN201965739U (en) * | 2011-04-01 | 2011-09-07 | 黄勇 | Sound-light reminding device for coming earthquake |
| CN103198621A (en) * | 2013-04-23 | 2013-07-10 | 黄宇嵩 | Electronic early-warning device for earthquake occurrence |
| CN203165155U (en) * | 2013-04-25 | 2013-08-28 | 黄勇 | Bridge type earthquake early-warning apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105160822A (en) * | 2015-10-15 | 2015-12-16 | 周云侠 | Early earthquake early warning apparatus with acousto-optic short-term memory |
| CN105351968A (en) * | 2015-12-01 | 2016-02-24 | 王志 | Touch type delay cigarette lighting device |
| CN105551197A (en) * | 2016-01-31 | 2016-05-04 | 周云侠 | Early stage acousto-optic alarm device for early stage of earthquake occurrence |
| CN106385884A (en) * | 2016-08-27 | 2017-02-15 | 周芸 | Mechanical planter seed granule falling blocking audible-visual alarm apparatus |
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| CN103886719B (en) | 2016-04-20 |
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Effective date of registration: 20191112 Address after: 233000 Second Business and Residence Building of Riza Company, Huaihe Road, Wuhe County, Bengbu City, Anhui Province Patentee after: BENGBU ZHIDA TECHNOLOGY CONSULTING Co.,Ltd. Address before: 233000 No. 168, Hua Hua Avenue, mussel mountain, Bengbu, Anhui 406 Patentee before: Wu Jiantang |
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Effective date of registration: 20211108 Address after: 532602 Youyiguan port, Pingxiang City, Chongzuo City, Guangxi Zhuang Autonomous Region (zone 3-3, floor 3, standard plant 2, Kafeng logistics processing zone, Pingxiang comprehensive free trade zone, Guangxi) Patentee after: Guangxi Runge Electronics Co.,Ltd. Address before: 233000 Second Business and Residence Building of Riza Company, Huaihe Road, Wuhe County, Bengbu City, Anhui Province Patentee before: BENGBU ZHIDA TECHNOLOGY CONSULTING Co.,Ltd. |
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