CN101852644B - Shock sensor, earthquake alarming system using same and alarming method - Google Patents
Shock sensor, earthquake alarming system using same and alarming method Download PDFInfo
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- CN101852644B CN101852644B CN2010101847695A CN201010184769A CN101852644B CN 101852644 B CN101852644 B CN 101852644B CN 2010101847695 A CN2010101847695 A CN 2010101847695A CN 201010184769 A CN201010184769 A CN 201010184769A CN 101852644 B CN101852644 B CN 101852644B
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Abstract
The invention belongs to the field of earthquake alarming equipment, and in particular relates to a water optical shock sensor, an earthquake alarming system consisting of a sensor matrix and an alarming method. Light rays emitted from a laser generator of the sensor are reflected by a water surface, the reflected light rays irradiate photoelectric tubes and then optical signals are transmitted to a circuit module by the photoelectric tubes for processing. A plurality of shock sensors, together with an information analysis module, form the earthquake alarming system. The earthquake alarming system has the characteristics of relatively higher sensitivity, relatively lower cost, high reliability, the capacity of timely and accurately giving an alarm for an earthquake, high anti-interference capacity, and simple, light and convenient structure, is particularly applied to the alarming for aftershocks, mainly serves households, buildings, schools, enterprises or a certain town, and is applied to the timely alarming in middle and primary schools in earthquake-prone regions.
Description
Technical field
The invention belongs to field of earthquake alarming equipment, particularly a kind of water light shock sensor, earthquake alarm system and the alarm method formed by this sensor matrices.
Background technology
The microseismic activity sensor of at present existing a lot of types, the principle of utilization mainly contains three kinds.A kind of is to detect vibrations through detecting the variation that shakes the electromagnetic field that causes, like the electric capacity acquisition sensor; A kind of is to utilize in the sensor relative motion between vibrations sensing unit and the inertia stationary parts is obtained vibration signal, like the mechanical pendulum shock sensor; At last a kind of is to survey vibrations with grating.Shortcomings such as first kind of sensor has complex structure, and measurement range is narrow; Second kind has sensitivity lower, receives the shortcoming of rapid wear after the sharp pounding; Grating is surveyed then has cost too high, uses inconvenient shortcoming.
Existing earthquake alarm system also exists floor area big, and the forecast is inaccurate really, and cost is high, is unfavorable for the shortcoming of promoting the use of.
Summary of the invention
The present invention provides a kind of simple and practical water light shock sensor in order to overcome the shortcoming and defect of existing microseismic activity sensor.
The technical scheme that the present invention adopts is: water storage case is positioned at the lower house top, and both are fixed on the base with the one-piece construction mode; Being shaped as rectangle and being inverted trapezoidal combination of water storage case, and water inlet is set at the water storage case top; In lower house, two hypotenuse positions of water storage case install laser generator and photoelectric tube respectively; Built-in standby power supply and circuit module are installed in lower house, and wherein, built-in standby power supply is connected with laser generator, circuit module respectively, and circuit module is connected with photoelectric tube, signal analyse block and external power source respectively; Adjustable feet is installed on the base.
Said laser generator and photoelectric tube respectively with two vertical installations of hypotenuse of water storage case.
The hypotenuse of said water storage case and the angle of surface level are 45 °～80 °.
The invention provides a kind of earthquake alarm system that is made up of said water light shock sensor, its technical scheme is: this system comprises 1 signal analyse block, and the said shock sensor that is connected respectively with signal analyse block more than 3 or 3.
Distance between per two said shock sensors is not less than 100m.
The present invention also provides a kind of said earthquake alarm system to earthquake signal judgment and alarm method, may further comprise the steps:
(1) calculates effective vibrations time span of each shock sensor, and compare judgement with the time parameter t that sets;
(2) number of the shock sensor of vibration signal output is arranged on the computer memory area, and compare judgement with the spatial parameter n that sets;
(3) the vibrations parameter of time parameter t and spatial parameter n composition satisfies or exceeds the earthquake boundary value that sets, and then sends alerting signal;
(4) send warning after, detect continuously the vibration signal that satisfies the vibrations parameter in a period of time T never again, then stop automatically reporting to the police, or send error correction signal.
Said shock sensor generates a series of square-wave signal after detecting vibration signal, and the interval of any two adjacent independent square-wave signals is not more than 500ms in said effective vibrations time span.
Said time T is 10s.
Beneficial effect of the present invention is:
(1) said water light shock sensor utilizes light when water transmission, and light receives the water wave fluctuation and produces the phenomenon of skew, detects small vibrations; Advantages such as this sensor has simple in structure, and is highly sensitive, not fragile, cheap; Said sensor can satisfy industry, safety monitoring, many requirements of scientific research.
(2) can to reach higher sensitivity and cost lower in said earthquake alarm system, has good reliability, can be promptly and accurately earthquake is reported to the police and is had powerful antijamming capability; Simple and light, be particularly useful for the warning of aftershock.
(3) said earthquake alarm system is mainly towards family, building, school, enterprise or certain cities and towns, be applicable to earthquake-prone region in timely warning among a small circle.
(4) all right expanded application of said water light shock sensor is in fields such as antitheft at home, landslide monitorings.
Description of drawings
Fig. 1 is the structural representation of said shock sensor;
Fig. 2 is the vertical view of said shock sensor;
Fig. 3 is the structural representation of said earthquake alarm system;
The process flow diagram that Fig. 4 judges the space-time parameter for said system;
The process flow diagram that Fig. 5 judges the vibrations zone bit for said system.
Label among the figure:
The 1-base; The 2-water storage case; The 3-laser generator; The built-in standby power supply of 4-; The 5-water inlet; 6-water; The 7-photoelectric tube; The 8-circuit module; The 9-signal analyse block; The 10-external power source; The 11-adjustable feet; The 12-lower house.
Embodiment
The invention provides a kind of water light shock sensor, use the earthquake alarm system and the alarm method of this sensor, the present invention is further specified below in conjunction with accompanying drawing and embodiment.
As depicted in figs. 1 and 2, the structure of this sensor is: water storage case 2 is positioned at lower house 12 tops, and both are fixed on the base 1 with the one-piece construction mode; Being shaped as rectangle and being inverted trapezoidal combination of water storage case 2, the angle of being inverted trapezoidal two hypotenuses and surface level is 60 °, and at water storage case 2 tops water inlet 5 is set; In lower house 12, two hypotenuse positions of water storage case 2 install laser generator 3 and photoelectric tube 7 respectively, and laser generator 3 two hypotenuses with water storage case 2 are vertical respectively with photoelectric tube 7; Built-in standby power supply 4 and circuit module 8 are installed in lower house 12, and wherein, built-in standby power supply 4 is connected with laser generator 3, circuit module 8 respectively, and circuit module 8 is connected with photoelectric tube 7, signal analyse block 9 and external power source 10 respectively; Adjustable feet 11 is installed on the base 1.
When this sensor uses, inject water 6 to water storage case 2, open laser generator 3 through water inlet 5; Through regulating water surface elevation; Make the reflection of light that laser generator 3 sends, reflex on the photoelectric tube 7, by photoelectric tube 7 receiving optical signals and output to circuit module 8 through flow surface.
Under the working sensor state, when not detecting vibration signal, the light that laser generator 3 sends is after the total reflection of flow surface; Shine on the photoelectric tube 7; After circuit module 8 processing, obtain stable low level signal, the vibrations pilot lamp on the circuit module 8 is in the state that extinguishes.After sensor was given a shock effect of signals, the water surface produced external waviness, makes reflection ray squint; Less external waviness just can be that reflection ray produces bigger skew; This moment, photoelectric tube 7 detected the skew of light, obtained a square-wave signal after handling through circuit module 8, made and shook the pilot lamp flicker; Simultaneously square-wave signal is outputed to signal analyse block 9, carry out subsequent treatment.
The adjustable feet 11 of regulating on the base 1 gets final product the luminous point of accommodation reflex light and the area that overlaps of photoelectric tube 7, thereby regulates sensitivity.This sensor also is provided with built-in standby power supply 4 under the situation of using external power source 10, to guarantee that sensor can all can use under all states.
As shown in Figure 3,3 shock sensors are connected with signal analyse block 9 respectively, have formed the earthquake alarm system.Wherein, be spaced apart 120m between per two shock sensors.
Said earthquake alarm system may further comprise the steps earthquake signal judgment and alarm method:
(1) calculating effective vibrations time span of each shock sensor, and compare judgement with the time parameter t that sets, is 7s in this setting-up time parameter; Interval effectively shaking any two adjacent independent square-wave signals in the time span is not more than 500ms.
(2) number of the shock sensor of vibration signal output being arranged on the computer memory area, and compare judgement with the spatial parameter n that sets, is 3 in this setting space parameter;
(3) every separated 50ms carries out one-time detection to time parameter and spatial parameter, if the vibrations parameter that time parameter and spatial parameter are formed satisfies or exceeds the earthquake boundary value that sets, then sends alerting signal;
(4) send warning after, detect the vibration signal that satisfies the vibrations parameter in continuous one section 10s never again, then stop automatically reporting to the police, or send error correction signal.
Claims (8)
1. shock sensor comprises base (1), water storage case (2) and lower house (12), it is characterized in that, water storage case (2) is positioned at lower house (12) top, and both are fixed on the base (1) with the one-piece construction mode; Being shaped as rectangle and being inverted trapezoidal combination of water storage case (2), and water inlet (5) is set at water storage case (2) top; In lower house (12), two hypotenuse positions of water storage case (2) install laser generator (3) and photoelectric tube (7) respectively, through regulating the interior water surface elevation of water storage case (2), make the reflection through flow surface of light that laser generator (3) sends, reflex on the photoelectric tube (7); Built-in standby power supply (4) and circuit module (8) are installed in lower house (12); Wherein, Built-in standby power supply (4) is connected with laser generator (3), circuit module (8) respectively, and circuit module (8) is connected with photoelectric tube (7), signal analyse block (9) and external power source (10) respectively; Base (1) is gone up adjustable feet (11) is installed.
2. shock sensor according to claim 1 is characterized in that, said laser generator (3) and photoelectric tube (7) respectively with two vertical installations of hypotenuse of water storage case (2).
3. shock sensor according to claim 1 is characterized in that, the hypotenuse of said water storage case (2) and the angle of surface level are 45 °～80 °.
4. an earthquake alarm system that uses the described shock sensor of claim 1 to carry out seismic monitoring is characterized in that, this system is connected to form with signal analyse block (9) respectively by 3 or 3 above-described shock sensors.
5. earthquake alarm according to claim 4 system is characterized in that the distance between per two said shock sensors is not less than 100m.
6. the alarm method of the described earthquake alarm of claim 4 system is characterized in that, said earthquake alarm system may further comprise the steps the earthquake signal judgment:
Calculate effective vibrations time span of each shock sensor, and compare judgement with the time parameter t that sets;
The number that the shock sensor of vibration signal output is arranged on the computer memory area, and compare judgement with the spatial parameter n that sets;
The vibrations parameter that time parameter t and spatial parameter n form satisfies or exceeds the earthquake boundary value that sets, and then sends alerting signal;
After sending warning, detect the vibration signal that satisfies the vibrations parameter never again in a period of time T continuously, then stop automatically reporting to the police, or send error correction signal.
7. alarm method according to claim 6 is characterized in that, said shock sensor generates a series of square-wave signal after detecting vibration signal, and the interval of any two adjacent independent square-wave signals is not more than 500ms in said effective vibrations time span.
8. alarm method according to claim 6 is characterized in that, said time T is 10s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101847695A CN101852644B (en) | 2010-05-20 | 2010-05-20 | Shock sensor, earthquake alarming system using same and alarming method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101847695A CN101852644B (en) | 2010-05-20 | 2010-05-20 | Shock sensor, earthquake alarming system using same and alarming method |
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| CN101852644A CN101852644A (en) | 2010-10-06 |
| CN101852644B true CN101852644B (en) | 2012-11-14 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103714662B (en) * | 2013-12-24 | 2016-06-29 | 西南石油大学 | Novel simple landslide detection device |
| CN105527647A (en) * | 2014-09-28 | 2016-04-27 | 徐家成 | Earthquake monitoring method and earthquake monitoring device |
| CN106370287A (en) * | 2016-10-28 | 2017-02-01 | 南宁学院 | Liquid light reflective vibration sensing system |
| CN106872012A (en) * | 2016-12-26 | 2017-06-20 | 浙江科聪智能科技有限公司 | Sensor, artificial intelligence robot, smart city, city management system, entity security monitoring system |
| CN106908135A (en) * | 2016-12-26 | 2017-06-30 | 浙江科聪智能科技有限公司 | Sensor Design method, sensor, artificial intelligence robot, intelligent civilian infrastructure, Earthquake Forecast System, the intelligent network of rivers |
| CN106840357A (en) * | 2016-12-26 | 2017-06-13 | 浙江科聪智能科技有限公司 | Sensor, robot, artificial intelligence municipal administration Internet of Things, financial national treasury safety monitoring system |
| CN106951838B (en) * | 2017-03-07 | 2019-09-06 | 四川省建筑设计研究院 | A kind of overboard alarm system and its method based on image water wave |
| CN110657885B (en) * | 2019-10-14 | 2022-03-11 | 深圳市蓝度汽车电控技术有限公司 | Vibration alarming method and system of vibration sensor and terminal |
| CN111060958B (en) * | 2019-12-12 | 2022-04-15 | 丰柯电子科技（上海）有限公司 | Low-energy-consumption air pressure type aftershock detection device |
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