CN103198621B - Electronic early-warning device for earthquake occurrence - Google Patents
Electronic early-warning device for earthquake occurrence Download PDFInfo
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- CN103198621B CN103198621B CN201310143449.9A CN201310143449A CN103198621B CN 103198621 B CN103198621 B CN 103198621B CN 201310143449 A CN201310143449 A CN 201310143449A CN 103198621 B CN103198621 B CN 103198621B
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Abstract
The invention discloses an electronic early-warning device for earthquake occurrence, comprising a 6V direct current power supply, two paths of monitoring passages, an electrical bridge balancing circuit, an electric potential locking circuit and a direct-current amplifying and warning circuit. The warning device can rapidly monitor a first earthquake wave, and can give out an audio alarm at the moment when a more than four-magnitude earthquake happens. Before a large earthquake happens, a dozen of extremely-valuable seconds for evacuation can be won. The electronic early-warning device for the earthquake occurrence is particularly suitable for households, schools, hospitals and other places in regions with frequent earthquakes. According to the electronic early-warning device for the earthquake occurrence, two NPN type transistors are adopted to form the electrical bridge balancing circuit, and the technical scheme disclosed by the invention can simplify the circuit structure and reduce the manufacture difficulty and the manufacture cost of the electrical bridge balancing circuit. When a monitoring probe in one passage is touched, the device can give out the alarm with a buzzer with high sound, once an alarm signal is sent, the circuit can be kept in a locking state automatically to thoroughly eliminate phenomenon of misinformation or information omission.
Description
Technical field
The invention belongs to electronic technology and earthquake prediction field, is about a kind of earthquake generation electronic early warning device.
Background technology
Earthquake is once occur in the late into the night, and people sleep soundly in room, makes people hard to guard against, and this is maximum to the life extent of injury of people.8: 02(weekend of on April 20th, 2013) when there is 7.0 grades of earthquakes in China's Ya'an Sichuan province, has a lot of people also sleeping soundly.If can in the moment of earthquake early period of origination, 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, does not also reach the level resemble forecasting weather far away.
Earthquake generation electronic early warning device of the present invention can when generation more than 4 grades earthquakes, this prior-warning device can at extremely short time supervision to first seismic event, earthquake generation electronic early warning device can start audible alarm 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 household and evacuate to safety area rapidly, even the escape time of several seconds can only be won, also can reduce the harm of earthquake to people's life significantly.The place such as resident family, school, hospital that earthquake generation electronic early warning device of the present invention is particularly suitable for taking place frequently regional in earthquake uses.
Earthquake generation electronic early warning device two NPN transistor composition bridge balance circuit, this technical scheme simplifies circuit structure, reduces manufacture difficulty and the cost of prior-warning device, achieves that monitoring sensitivity is high, the requirement of reliable working performance.
Be touched once run into certain road monitoring probe, this device is immediately with high loudness buzzer alert, and alarm signal is once sounding, and bridge balance circuit will maintain locking automatically, and the phenomenon can stopping completely to report by mistake or fail to report occurs.
Below describe the relevant technologies content that earthquake generation electronic early warning device of the present invention is involved in implementation process in detail.
Summary of the invention
Goal of the invention and beneficial effect: earthquake generation electronic early warning device of the present invention can when generation more than 4 grades earthquakes, and monitor rapidly first seismic event, it can start audible alarm 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 household and evacuate to safety area rapidly, even the escape time of several seconds can only be won, also can reduce the harm of earthquake to people's life significantly.The place such as resident family, school, hospital that earthquake generation electronic early warning device of the present invention is particularly suitable for taking place frequently regional in earthquake uses.
Earthquake generation electronic early warning device two NPN transistor composition bridge balance circuit, this technical scheme simplifies circuit structure, reduces manufacture difficulty and the cost of prior-warning device, achieves that monitoring sensitivity is high, the requirement of reliable working performance.Be touched once run into certain road monitoring probe, this device is immediately with high loudness buzzer alert, and alarm signal is once sounding, and bridge balance circuit will maintain locking automatically, and the phenomenon can stopping completely to report by mistake and fail to report occurs.
Circuit working principle: the monitoring probe SK1 in circuit working schematic diagram, monitoring probe SK2, its contact is in normally open, and in bridge balance circuit, 4 arms is made up of 4 resistance and 1 potentiometer RP.
When 2 road monitoring channels are standby, monitoring probe SK1, monitoring probe SK2 are all in off-state, a point in circuit is equal with b point current potential, the base stage of NPN transistor BG1 and NPN transistor BG2, the current potential of emitter are equal, bridge balance circuit is in equilibrium state, PNP transistor BG3 is in cut-off state, and at this moment in two-way monitoring channel, monitoring probe is all standby.
For the 2nd road monitoring channel: the moment occurred when more than 4 grades earthquakes, monitoring probe SK2 will be switched on along with greatly rock suddenly, and (actual monitoring probe SK2 does not need dead short, as long as the resistance of resistance R6 can be had influence on), the equilibrium state of bridge balance circuit will be broken, a point current potential so in circuit is higher than b point current potential, NPN transistor BG2 obtains normal bias voltage and conducting, PNP transistor BG3 passes through because there being electric current, then PNP transistor BG3 will become conducting from cut-off, germanium diode D1 becomes conducting from cut-off, the base stage of NPN transistor BG2 is made to remain noble potential.Now, even if monitoring probe SK2 disconnects or conducting more again because of latter earthquake in the 2nd road monitoring channel, continuation is also kept conducting state (maintaining memory) by PNP transistor BG3, hummer HA is remained and pipes.
In like manner, principle of work and the course of work of the monitoring probe SK1 in the 1st monitoring channel are the same.
Alarm signal is once sounding, and lock-in circuit will keep automatically, and alert news is removed must by household's shearing device direct supply, the again direct supply of engaging means, and circuit just can return to initial equilibrium conditions (circuit balancing state reset).
Germanium diode D1 is that lock-in circuit duty is established, and transwitch diode D2 is that DC signal output plays buffer action, and transwitch diode D2 is for blocking the interference to previous circuit.
Technical characteristic: earthquake generation electronic early warning device, it comprises 6V direct supply, 2 road monitoring channels, bridge balance circuit, current potential lock-in circuit, direct current amplification and warning circuit, it is characterized in that:
The collector of bridge balance circuit: NPN transistor BG1 and NPN transistor BG2 is by resistance R4 connection circuit positive pole VCC, the base stage of NPN transistor BG1 is by the emitter of the b point in resistance R5 connection circuit and NPN transistor BG2, the base stage of NPN transistor BG2 is by the emitter of a point in resistance R3 connection circuit and NPN transistor BG1, one end of potentiometer RP and movable end connection circuit positive pole VCC thereof, a point after the other end series resistor R1 of potentiometer RP in connection circuit and one end of resistance R2, the other end connection circuit ground GND of resistance R2, the one termination circuit positive pole VCC of resistance R6, b point in the other end connection circuit of resistance R6 and one end of resistance R7, the other end connection circuit ground GND of resistance R7,
2 road monitoring channels: in 2 road monitoring channels, two arms in bridge balance circuit are connected across respectively with monitoring probe SK1, monitoring probe SK2, the weight metal messenger wire connection circuit positive pole VCC of monitoring probe SK1 in first via monitoring channel, a point in the becket connection circuit of monitoring probe SK1, the weight metal messenger wire connection circuit positive pole VCC of monitoring probe SK2 in second road monitoring channel, the b point in the becket connection circuit of monitoring probe SK2;
Current potential lock-in circuit: the positive pole of germanium diode D1 connects the collector of PNP transistor BG3, the negative pole of germanium diode D1 connects the base stage of NPN transistor BG2;
DC amplification circuit and warning circuit: it is made up of PNP transistor BG3, transwitch diode D2 and hummer HA, the base stage of PNP transistor BG3 connects the collector of NPN transistor BG1 and NPN transistor BG2, the emitter connection circuit positive pole VCC of PNP transistor BG3, the collector of PNP transistor BG3 connects the positive pole of germanium diode D1 and the positive pole of transwitch diode D2, and the negative pole of transwitch diode D2 is by hummer HA connection circuit ground GND;
6V DC power anode is connected with circuit anode VCC, and 6V DC power cathode is connected with circuit ground GND.
Accompanying drawing explanation
Accompanying drawing 1 is earthquake generation electronic early warning device provided by the invention embodiment circuit working schematic diagram.
Embodiment
According to the earthquake generation electronic early 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 summary of the invention, and components and parts technical parameter described in embodiment requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The selection of components and parts and making
1. components and parts are selected to consider that prior-warning device must adapt to long-term uninterrupted request for utilization, so make every effort to working stability, reliable operation for principle, screen thermal adaptability wide ranges and resistant to elevated temperatures components and parts;
2. component parameters is shown in components and parts title and technical parameter table
| Components and parts mark | Components and parts title | Major parameter | Quantity | Remarks |
| BG1 、BG2 | NPN transistor, 2SC9013 | TO-92 plastic packaging | 2 | Or 3DG6 |
| BG3 | PNP transistor, 3AX31 | Or select 3AX81 | 1 | Germanium transistor |
| D1 | Germanium diode, 2AP9 | Glass-encapsulated | 1 | Or 1N60 |
| D2 | Transwitch diode, | 1N4148 | 1 | Or 1N4001 |
| RP | Potentiometer | 1.5KΩ | 1 | |
| SK1、SK2 | Monitoring probe | Explanation is made below seeing | 2 covers | Weight type |
| R1、R2、R7 | Resistance | 1/8W 1KΩ | 3 | |
| R3、R5 | Resistance | 1/8W 6.8KΩ | 2 | |
| R4 | Resistance | 1/8W 4.7KΩ | 1 | |
| R6 | Resistance | 1/8W 2.2KΩ | 1 | |
| HA | Hummer (inside having voicefrequency circuit) | ￠ 10, voltage 4.4 ~ 5V | 1 | High loudness |
3. the model that HA selects is CPB14A04-06, and physical dimension is φ 14mm × 7.5mm, and weight is 0.9g, and operating voltage is 4.5V ~ 5V, working current≤20mA.
Circuit production main points, circuit debugging and using method
1. the making of monitoring probe: in fact monitoring probe is a kind of mechanical switch made of tup, tup can use sash weight for building, use multiply metal wire instead to replace sash weight line, metal ring can use the copper wire of ￠ 2.5mm to bend, and its diameter is 36 ~ 42mm;
Gap between tup and metal ring regulates by the height being elevated tup, requires to be advisable in gap between 2.0 ~ 3.0mm; Gap between tup and metal ring is less, and alarm sensitivity is higher; In order to ensure that prior-warning device has enough sensitivity, the support height for fixing hanging tup is not less than 2.0m;
2. operating voltage range: 4.5 ~ 7.5V, direct supply also can use 4 joint 5 ﹟ alkaline batteries;
3. circuit debugging: key is the balance of adjustment bridge balance circuit, when direct current power source voltage is 6V, adjustment potentiometer RP makes the point of a in circuit voltage-to-ground equal b point voltage-to-ground, that is: Va=Vb=1.9 ~ 2.0V; Time respectively by monitoring probe SK1, monitoring probe SK2 short circuit, the negative pole of transwitch diode D2 all can obtain 4.6 ~ 4.9V output voltage to circuit ground, and at this moment hummer HA obtains electric ring;
4., when using 6V direct supply, complete machine quiescent current is 3.0 ~ 4.2mA, and this device working current when alarm is 39mA;
5. in order to increase the sensitivity of monitoring, monitoring probe SK1, the monitoring probe SK2 distance of being separated by between the two is more far away better, and is arranged on by monitoring probe and is not subject to extraneous vibration or blows or human body is walked about and produced the corner of interference;
6. after connecting direct supply, namely prior-warning device enters monitor earthquake state, if run into artificial interference when causing prior-warning device misoperation, as long as switch direct supply can remove alarm.
Claims (1)
1. an earthquake generation electronic early warning device, it comprises 6V direct supply, 2 road monitoring channels, bridge balance circuit, current potential lock-in circuit, direct current amplification and warning circuit, it is characterized in that:
In described bridge balance circuit, the collector of NPN transistor BG1 and NPN transistor BG2 is by resistance R4 connection circuit positive pole VCC, the base stage of NPN transistor BG1 is by the emitter of the b point in resistance R5 connection circuit and NPN transistor BG2, the base stage of NPN transistor BG2 is by the emitter of a point in resistance R3 connection circuit and NPN transistor BG1, one end of potentiometer RP and movable end connection circuit positive pole VCC thereof, a point after the other end series resistor R1 of potentiometer RP in connection circuit and one end of resistance R2, the other end connection circuit ground GND of resistance R2, the one termination circuit positive pole VCC of resistance R6, b point in the other end connection circuit of resistance R6 and one end of resistance R7, the other end connection circuit ground GND of resistance R7,
In 2 described road monitoring channels, the weight metal messenger wire connection circuit positive pole VCC of monitoring probe SK1 in first via monitoring channel, a point in the metal ring connection circuit of monitoring probe SK1, the weight metal messenger wire connection circuit positive pole VCC of monitoring probe SK2 in second road monitoring channel, the b point in the metal ring connection circuit of monitoring probe SK2;
In described current potential lock-in circuit, the positive pole of germanium diode D1 connects the collector of PNP transistor BG3, and the negative pole of germanium diode D1 connects the base stage of NPN transistor BG2;
Described DC amplification circuit and warning circuit are made up of PNP transistor BG3, transwitch diode D2 and hummer HA, the base stage of PNP transistor BG3 connects the collector of NPN transistor BG1 and NPN transistor BG2, the emitter connection circuit positive pole VCC of PNP transistor BG3, the collector of PNP transistor BG3 connects the positive pole of germanium diode D1 and the positive pole of transwitch diode D2, and the negative pole of transwitch diode D2 is by hummer HA connection circuit ground GND;
Described 6V DC power anode is connected with circuit anode VCC, and 6V DC power cathode is connected with circuit ground GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143449.9A CN103198621B (en) | 2013-04-23 | 2013-04-23 | Electronic early-warning device for earthquake occurrence |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310143449.9A CN103198621B (en) | 2013-04-23 | 2013-04-23 | Electronic early-warning device for earthquake occurrence |
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| CN103198621A CN103198621A (en) | 2013-07-10 |
| CN103198621B true CN103198621B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310143449.9A Active CN103198621B (en) | 2013-04-23 | 2013-04-23 | Electronic early-warning device for earthquake occurrence |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871190A (en) * | 2014-04-02 | 2014-06-18 | 黄宇嵩 | Bridge balance type two-way wired monitoring device |
| CN103871205B (en) * | 2014-04-03 | 2016-12-14 | 黎清弟 | Household earthquake electronic warner in early days |
| CN103886719B (en) * | 2014-04-18 | 2016-04-20 | 吴建堂 | The early stage electronic reminding device of earthquake |
| CN104299368B (en) * | 2014-10-29 | 2016-11-02 | 江苏北洋通讯设备有限公司 | There is electronic monitoring alarm device in early days in earthquake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08315274A (en) * | 1995-05-15 | 1996-11-29 | Koichi Kamishiro | Earthquake detecting alarm |
| CN2274779Y (en) * | 1996-12-17 | 1998-02-18 | 段江洪 | Miniature earthquake alarm |
| CN101807330A (en) * | 2010-03-19 | 2010-08-18 | 黄宇嵩 | Bridge-type multichannel wired monitoring and alarming device |
| CN203165154U (en) * | 2013-04-23 | 2013-08-28 | 黄宇嵩 | Earthquake generation electronic early warning device |
-
2013
- 2013-04-23 CN CN201310143449.9A patent/CN103198621B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08315274A (en) * | 1995-05-15 | 1996-11-29 | Koichi Kamishiro | Earthquake detecting alarm |
| CN2274779Y (en) * | 1996-12-17 | 1998-02-18 | 段江洪 | Miniature earthquake alarm |
| CN101807330A (en) * | 2010-03-19 | 2010-08-18 | 黄宇嵩 | Bridge-type multichannel wired monitoring and alarming device |
| CN203165154U (en) * | 2013-04-23 | 2013-08-28 | 黄宇嵩 | Earthquake generation electronic early warning device |
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| CN103198621A (en) | 2013-07-10 |
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Effective date of registration: 20191111 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. 3, No. 1, building 94, sports road, Bengbu Economic Development Zone, Anhui, 7 Patentee before: Huang Yusong |
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Effective date of registration: 20211206 Address after: 274000 Room 305, management committee office building, development zone, No. 668, Renmin Road, Heze City, Shandong Province Patentee after: Heze hi tech Pioneer Park Development 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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