CN204990630U - Have early earthquake early warning device of reputation short -term memory - Google Patents
Have early earthquake early warning device of reputation short -term memory Download PDFInfo
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- CN204990630U CN204990630U CN201520815077.4U CN201520815077U CN204990630U CN 204990630 U CN204990630 U CN 204990630U CN 201520815077 U CN201520815077 U CN 201520815077U CN 204990630 U CN204990630 U CN 204990630U
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Abstract
The utility model relates to a have early earthquake early warning device of reputation short -term memory, its characteristic includes: 6V DC power supply, seismic signal monitoring and voltage comparison circuit, level signal time delay and reputation drive circuit, seismic signal monitoring and voltage comparison circuit constitute by monitoring probe JT and resistance R1, voltage comparater IC1, 3 switching diode D1-D3 and resistance R2, integrated circuit model that voltage comparater IC1 used is LM393. The utility model discloses because use the higher voltage comparater of input impedance, in case when meetting the monitoring probe and being touched, the reputation drive circuit work immediately, can stop the phenomenon that takes place the wrong report or fail to report basically. This technical scheme has simplified circuit structure, has reduced early warning device's the preparation degree of difficulty and cost, has realized high, the reliable requirement of working property of monitoring earthquake sensitivity. The utility model discloses be fit for the places uses such as regional family, school, hospital that take place frequently in the earthquake.
Description
Technical field
The utility model belongs to electronic technology and earthquake prediction technical field, is about one band acousto-optic short-term memory early earthquake prior-warning device.
Background technology
Earthquake is once occur in the late into the night, and people are many to sleep soundly in room, and this is maximum to the life extent of injury of people, makes people hard to guard against.If the moment that just can occur in earthquake, if can win tens second time, a lot of people just likely brushes past with disability or Death.Earthquake be damage envelope wide, cause life and property very harmful and be a kind of irresistible disaster, Scientific Cognition fails effectively to grasp the pests occurrence rule of earthquake so far.
Band acousto-optic short-term memory early earthquake prior-warning device described in the utility model can at more than the 4 grades earthquake initial stages of generation, and this device can monitor first seismic event in very short time, and is starting sound early warning instantaneously, wakes you in sleeping soundly immediately.Before violent earthquake occurs, can be you and win tens second extremely valuable departure time, contribute to you and people around and evacuate to safety area rapidly, even the escape time of several seconds can only be won, also significantly can reduce the harm of earthquake to people's life.
Band acousto-optic short-term memory early earthquake prior-warning device described in the utility model is because the voltage comparator using input impedance higher, be touched once run into monitoring probe, acousto-optic driving circuit works immediately, substantially can stop phenomenon wrong report occurring or fails to report.This technical scheme simplifies circuit structure, reduces manufacture difficulty and the cost of prior-warning device, achieves that monitor earthquake is highly sensitive, the requirement of reliable working performance.Band acousto-optic short-term memory early earthquake prior-warning device described in the utility model is adapted at the place use such as family, school, hospital that earthquake takes place frequently regional.
Below describe that band acousto-optic short-term memory early earthquake prior-warning device described in the utility model is involved necessary in implementation process, guardian technique content in detail.
Utility model content
Goal of the invention and beneficial effect: band acousto-optic short-term memory early earthquake prior-warning device described in the utility model can at more than the 4 grades earthquake initial stages of generation, this device can monitor first seismic event in very short time, and starting sound early warning instantaneously, wake you in sleeping soundly immediately.Before violent earthquake occurs, can be you and win tens second extremely valuable departure time, contribute to you and people around and evacuate to safety area rapidly, even the escape time of several seconds can only be won, also significantly can reduce the harm of earthquake to people's life.
Band acousto-optic short-term memory early earthquake prior-warning device described in the utility model is because the voltage comparator using input impedance higher, be touched once run into monitoring probe, acousto-optic driving circuit works immediately, substantially can stop phenomenon wrong report occurring or fails to report.This technical scheme simplifies circuit structure, reduces manufacture difficulty and the cost of prior-warning device, achieves that monitor earthquake is highly sensitive, the requirement of reliable working performance.Band acousto-optic short-term memory early earthquake prior-warning device described in the utility model is adapted at the place use such as family, school, hospital that earthquake takes place frequently regional.
Circuit working principle: the core parts of band acousto-optic short-term memory early earthquake prior-warning device circuit are voltage comparator ics 1.When monitoring probe JT in prior-warning device is not touched, 6V direct supply is through resistance R1, the 3rd pin (in-phase input end) making voltage comparator ic 1 is noble potential, resistance R2 and switching diode D1 ~ D3 is placed in 2.1V current potential the 2nd pin (inverting input) of voltage comparator ic 1,3rd pin < the 2nd pin of voltage comparator ic 1,1st pin output low level of voltage comparator ic 1, prior-warning device is in holding state.
Suddenly rock once run into the earth, monitoring probe JT will be touched, 3rd pin current potential > the 2nd pin current potential of voltage comparator ic 1, the state of voltage comparator ic 1 overturns rapidly, 1st pin of voltage comparator ic 1 exports high level, make the rapid conducting of enhancement mode N channel field-effect pipe VT1, hummer HA sounds a buzzer immediately, and LED is also lit early warning simultaneously.Because the 1st pin at voltage comparator ic 1 is connected to 1 electrochemical capacitor C1, and the electric discharge of electrochemical capacitor C1 has a slow process, and then makes the conducting of enhancement mode N channel field-effect pipe VT1 also can maintain a period of time.
Technical characteristic: band acousto-optic short-term memory early earthquake prior-warning device, it comprises 6V direct supply, seismic signal monitoring and voltage comparator circuit, level signal time delay and acousto-optic driving circuit, it is characterized in that:
Seismic signal monitoring and voltage comparator circuit: it is by monitoring probe JT and resistance R1, voltage comparator ic 1, 3 switching diode D1 ~ D3 and resistance R2 form, the integrated circuit model that voltage comparator ic 1 uses is LM393, the model that 3 switching diode Dl ~ D3 select is 1N4148, 3 switching diode D1 ~ D3 connect mutually, the positive pole connection circuit positive pole VCC of switching diode D1, the negative pole of switching diode D3 connects the 3rd pin of voltage comparator ic 1 and one end of resistance R2, the other end connection circuit ground GND of resistance R2, 2nd pin of voltage comparator ic 1 and one end of resistance R1 meet tup ZC by metal sash weight line, the other end connection circuit positive pole VCC of resistance R1, becket JSH connection circuit ground GND, 8th pin connection circuit positive pole VCC of voltage comparator ic 1, 4th pin connection circuit ground GND of voltage comparator ic 1, 1st pin of voltage comparator ic 1 connects level signal time delay and acousto-optic driving circuit,
Level signal time delay and acousto-optic driving circuit: it is by electrochemical capacitor C1, enhancement mode N channel field-effect pipe VT1, resistance R3 and LED, resistance R4 hummer HA forms, one end of the 1st pin connecting resistance R3 of voltage comparator ic 1 and the positive pole of electrochemical capacitor C1, the grid G of another termination enhancement mode N channel field-effect pipe VT1 of resistance R3, the drain D of enhancement mode N channel field-effect pipe VT1 connects the negative pole of hummer HA and the negative pole of LED, one end of the positive pole connecting resistance R4 of LED, the other end of resistance R4 and the positive pole connection circuit positive pole VCC of hummer HA, the source S connection circuit ground GND of enhancement mode N channel field-effect pipe VT1,
The positive pole connection circuit positive pole VCC of 6V direct supply, the negative pole connection circuit ground GND of 6V direct supply.
Accompanying drawing explanation
Accompanying drawing 1 is that the utility model provides an embodiment circuit working schematic diagram being with acousto-optic short-term memory early earthquake prior-warning device; The model that in accompanying drawing 1, voltage comparator ic 1 uses is LM393, and have the voltage comparator that two groups separate in every LM393, the utility model only uses wherein 1 group; When standby, in accompanying drawing 1, the contact of monitoring probe JT is in normally open.
Embodiment
According to the band acousto-optic short-term memory early earthquake prior-warning device circuit working schematic diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in utility model content, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the utility model, is further described correlation technique of the present utility model below in conjunction with embodiment.
The technical parameter of components and parts and selection requirement thereof
IC1 is voltage comparator, the model selected be LM393, LM393 by two independently voltage comparator form.Direct supply can be powered by the list group positive voltage of wide region, operating voltage: 2 ~ 36V, also can by positive and negative two groups of power voltage supplies;
Dl ~ D3 is switching diode, and the model selected is 1N4148;
VT1 is enhancement mode N channel field-effect pipe, and the model selected is IRFZ22;
Resistance selects power to be 1/8W metalfilmresistor, and the resistance of resistance R1 is 910K Ω; The resistance of resistance R2 is 10K Ω, the resistance of resistance R3 is 220K Ω; The resistance of resistance R4 is 470 Ω;
C1 is electrochemical capacitor, and its capacity is 220 μ F/16V;
LED is light emitting diode, selects diameter to be the highlighted red light emitting diodes of ￠ 5;
HA is hummer, selects inside to be equipped with the hummer of audio generating circuit, and operating voltage is 5 ~ 6V;
Direct current power source voltage is 6V, selects 4 joints 5
﹟alkaline battery is 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 makes, tup can use sash weight for building, sash weight line uses multiply metal wire instead as metal sash weight line, and becket can use the copper wire of ￠ 2.5mm to bend, and its diameter is 36 ~ 40mm;
Gap between tup and becket, regulates by the height being elevated tup, requires to be advisable at 2.0 ~ 2.5mm in gap; Gap between tup and becket is less, and early warning sensitivity is higher; For ensureing that prior-warning device has enough sensitivity, require to be used for fixing hanging tup support height >=2.0m;
A suggestion: the whole ground connection of the pin that voltage comparator ic 1 does not use! Metal shell is used outside circuit board;
Because band acousto-optic short-term memory early earthquake prior-warning device circuit structure is fairly simple, comparison is easy, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present utility model does not substantially need to carry out debugging and can normally work.
For increasing the sensitivity of exploration seismic, this prior-warning device more than two can be used if desired, and be placed in the different corners in house respectively.
Technical indicator with acousto-optic short-term memory early earthquake prior-warning device is: standby current≤120 μ A, and during early warning, working current is 50mA (recording during 6V direct supply); Because of when circuit static, enhancement mode N channel field-effect pipe VT1 ends, and acousto-optic driving circuit does not work, and only has resistance R1 ~ R2 to consume minute quantity electric energy, therefore 4 joints 5
﹟alkaline battery can use more than 2 years time.
Claims (1)
1. be with an acousto-optic short-term memory early earthquake prior-warning device, it comprises 6V direct supply, seismic signal monitoring and voltage comparator circuit, level signal time delay and acousto-optic driving circuit, it is characterized in that:
Described seismic signal monitoring and voltage comparator circuit are by monitoring probe JT and resistance R1, voltage comparator ic 1, 3 switching diode D1 ~ D3 and resistance R2 form, the integrated circuit model that voltage comparator ic 1 uses is LM393, the model that 3 switching diode Dl ~ D3 select is 1N4148, 3 switching diode D1 ~ D3 connect mutually, the positive pole connection circuit positive pole VCC of switching diode D1, the negative pole of switching diode D3 connects the 3rd pin of voltage comparator ic 1 and one end of resistance R2, the other end connection circuit ground GND of resistance R2, 2nd pin of voltage comparator ic 1 and one end of resistance R1 meet tup ZC by metal sash weight line, the other end connection circuit positive pole VCC of resistance R1, becket JSH connection circuit ground GND, 8th pin connection circuit positive pole VCC of voltage comparator ic 1, 4th pin connection circuit ground GND of voltage comparator ic 1, 1st pin of voltage comparator ic 1 connects level signal time delay and acousto-optic driving circuit,
Described level signal time delay and acousto-optic driving circuit are by electrochemical capacitor C1, enhancement mode N channel field-effect pipe VT1, resistance R3 and LED, resistance R4 hummer HA forms, one end of the 1st pin connecting resistance R3 of voltage comparator ic 1 and the positive pole of electrochemical capacitor C1, the grid G of another termination enhancement mode N channel field-effect pipe VT1 of resistance R3, the drain D of enhancement mode N channel field-effect pipe VT1 connects the negative pole of hummer HA and the negative pole of LED, one end of the positive pole connecting resistance R4 of LED, the other end of resistance R4 and the positive pole connection circuit positive pole VCC of hummer HA, the source S connection circuit ground GND of enhancement mode N channel field-effect pipe VT1,
The positive pole connection circuit positive pole VCC of described 6V direct supply, the negative pole connection circuit ground GND of 6V direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520815077.4U CN204990630U (en) | 2015-10-15 | 2015-10-15 | Have early earthquake early warning device of reputation short -term memory |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520815077.4U CN204990630U (en) | 2015-10-15 | 2015-10-15 | Have early earthquake early warning device of reputation short -term memory |
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| CN204990630U true CN204990630U (en) | 2016-01-20 |
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| CN201520815077.4U Expired - Fee Related CN204990630U (en) | 2015-10-15 | 2015-10-15 | Have early earthquake early warning device of reputation short -term memory |
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Cited By (1)
| 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 |
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2015
- 2015-10-15 CN CN201520815077.4U patent/CN204990630U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20161015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |