CN101770681A

CN101770681A - Household earthquake early warning system

Info

Publication number: CN101770681A
Application number: CN200910110816A
Authority: CN
Inventors: 许金聪; 许佳铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-04
Filing date: 2009-01-04
Publication date: 2010-07-07
Anticipated expiration: 2029-01-04
Also published as: CN101770681B

Abstract

The invention discloses a household earthquake early warning system. A device is sequentially connected with an earthquake S wave sensor, an earthquake P wave sensor and a controller. The controller comprises a signal detection comparator, a signal conditioner, a signal discrimination setting device, a signal amplifier, a signal shaper and an OR gate circuit, wherein the OR gate circuit is connected with an earthquake magnitude setter and an alarm. The invention eliminates a high-tech expensive seismograph, and utilizes the earthquake wave sensors to measure the shaking energy of earthquake waves, and shaking signals are compared and amplified by signals and are shaped by waves to identify the earthquake waves. Once the earthquake waves exist, the alarm continuously sends signals. The device with simple structure and low cost is used to early warn the arrival of earthquake so as to warn people to flee from danger zones.

Description

Household earthquake early warning system

Technical field

The present invention relates to a kind of detection instrument, particularly a kind of seismic survey instrument.

Background technology

The arriving of most of earthquake can not be predicted accurately, even the new and high technology in the present age can not accurately be predicted upcoming disaster.Scientists in the world also has by analyzing weather, current situation predicts earthquake, but the sensitiveest, state-of-the-art instrument or seismograph, and now, many digital seismographs are invented, but it costs an arm and a leg, and structure is very complicated.

Above-mentioned seismograph major part is to be suitable for being placed in laboratory, weather station or the meteorological institute, and neither one is fit to build in the dwelling house, and is same, also is connected with any public alarm notification system without any seismograph.

And existing seismograph causes the paralysis of people's awareness of safety easily by erroneous trigger.

Summary of the invention

At the deficiencies in the prior art part, the invention provides a kind of safe and reliable household earthquake early warning system, it can provide the earthquake arriving instant True Data, and can utilize existing public alarm notification system to report to the police.

For achieving the above object, technical solution of the present invention is:

Household earthquake early warning system, this device are connected with earthquake S wave sensor, earthquake P wave sensor, controller in turn; Described controller comprises input comparer, signal conditioner, signal mirror

Device, signal amplifier, signal shaper and OR circuit are not set, and this OR circuit connects an earthquake magnitude setting apparatus and a warning horn.

Described earthquake S wave sensor comprises a sensor outer housing, and it is made up of the upper and lower end face that a loam cake and a lower cover are movably set in a sensor semicircular cylinder respectively; Also comprise a sensor inner core, comprise that one is built in the core cylinder in the sensor semicircular cylinder, the core cylinder is built-in with magnet and upper spring, and upper spring is resisted against the loam cake and the magnet upper surface of sensing shell, is coated with a coil in the position that is provided with of the corresponding magnet of core cylinder outer wall.

Comprise after the etching of dioxyacetic acid sodium in the described earthquake P wave sensor adding silver-plated pcb board that pcb board connects controller.

The usefulness of technique scheme is:

The present invention abandons expensive high-tech seismograph, utilizes earthquake S wave sensor, earthquake P wave sensor to measure the size of the vibration energy of seismic event, and vibration signal after the arrangement of waveform, identifies seismic event after signal compares and amplifies.In case seismic event exists, warning horn just constantly sends out signal continuously.Come the arriving of early warning earthquake disaster with this simple structure and low-cost instrument, the caution people are the flee danger area immediately.

Description of drawings

Fig. 1 is a fundamental diagram of the present invention;

Fig. 2 is an earthquake S wave sensor structural representation of the present invention;

Fig. 3 is an earthquake P wave sensor structural representation of the present invention;

Fig. 4 differentiates for signal the device electrical block diagram is set.

Embodiment

The present invention now is described in conjunction with the accompanying drawings and embodiments.

Household earthquake early warning system as shown in Figure 1, this device are connected with earthquake S wave sensor, earthquake P wave sensor, controller in turn.Described controller comprises that input comparer, signal conditioner, signal discriminating are provided with device, signal amplifier, signal shaper and OR circuit, and this OR circuit connects an earthquake magnitude setting apparatus and a warning horn.

Earthquake S wave sensor as shown in Figure 2 comprises a sensor outer housing, and it is made up of the upper and lower end face that a loam cake and a lower cover are movably set in a sensor semicircular cylinder respectively; Also comprise a sensor inner core, this sensor inner core comprises that one is built in the core cylinder 3 in the sensor semicircular cylinder, this core cylinder 3 is built-in with magnet 4 and upper spring 7, upper spring 7 is resisted against the loam cake 1 and magnet 7 upper surfaces of sensing shell, is coated with a coil 5 in the position that is provided with of the corresponding magnet 7 of core cylinder 3 outer walls.

Earthquake P wave sensor as shown in Figure 3 adds the silver-plated LIXEN sensor that forms after passing through the etching of dioxyacetic acid sodium by pcb board, supporting electronic circuit box is connected with controller, whether it leaves in and comes the detection level face to exist in the special water tank, then the ripples signal is sent to controller and handles.

Signal as shown in Figure 4 differentiates that the circuit that device is set comprises relatively Discr. of a signal at least, it mainly utilizes the electromagnetic wave detection technology to differentiate the power of ripple, be used for, it is connected with the seismic event sensor, detected shock wave is set in the earthquake earthquake degree carried out relatively also classification of seismic event in the automatic recognition system.Described signal comparison discriminator circuit is connected with a filtering circuit, and its shock wave with detected shock wave and default earthquake magnitude compares, and filters out the shock wave less than default earthquake magnitude.When the shock wave of seismic event above default earthquake magnitude, promptly seismic event surpasses the load of electromagnetism tangent line, just reports to the police.One amplifying circuit, it connects filtering circuit, is used for the shock wave greater than default earthquake magnitude is amplified; One shaping circuit, its input end connects amplifying circuit, and output terminal connects warning horn.As shown in Figure 4, the seismic event sensor signal is imported from R1, T1, T2 are that signal compares the triode in the discriminator circuit, filter otiose signal by capacitor C 1, C2, C3, through differentiating that useful signal amplifies by the amplifying circuit that T3, T4 form, by monitoring locking power supply, rectified signal enlarges and triggers the latching logic circuit and go to give the alarm then.

Claims

1. household earthquake early warning system, it is characterized in that: this device is connected with earthquake S wave sensor, earthquake P wave sensor, controller in turn; Described controller comprises that input comparer, signal conditioner, signal discriminating are provided with device, signal amplifier, signal shaper and OR circuit, and this OR circuit connects an earthquake magnitude setting apparatus and a warning horn.

2. household earthquake early warning system as claimed in claim 1 is characterized in that: described earthquake S wave sensor comprises:

One sensor outer housing, it is made up of the upper and lower end face that a loam cake and a lower cover are movably set in a sensor semicircular cylinder respectively;

One sensor inner core comprises that one is built in the core cylinder in the sensor semicircular cylinder, and the core cylinder is built-in with magnet and upper spring, and upper spring is resisted against the loam cake and the magnet upper surface of sensing shell, is coated with a coil in the position that is provided with of the corresponding magnet of core cylinder outer wall.

3. household earthquake early warning system as claimed in claim 2 is characterized in that: sensor semicircular cylinder outer diameter is 105MM-115MM, and upper spring length is greater than 80MM, and the core cylinder is 1: 4 with the diameter ratio of sensor semicircular cylinder.

4. as claim 1,2 or 3 described household earthquake early warning systems, it is characterized in that: comprise after the etching of dioxyacetic acid sodium in the described earthquake P wave sensor adding silver-plated pcb board that pcb board connects controller.

5. as right 1,2 or 3 described household earthquake early warning systems, device is characterised in that: described signal differentiates that the circuit that device is set comprises:

At least have relatively discriminator circuit of a signal, it is connected with the seismic event sensor, detected shock wave and seismic event are compared and classifies, and removes non-seismic event;

At least have a filtering circuit, it connects relatively discriminator circuit of signal, and its shock wave with detected vibrations S ripple and P ripple and default earthquake magnitude compares, and filters out the shock wave less than default earthquake magnitude;

At least have an amplifying circuit, it connects filtering circuit, is used for the shock wave greater than default earthquake magnitude is amplified;

At least have a shaping circuit, its input end connects amplifying circuit, and output terminal connects warning horn.

6. household earthquake early warning system as claimed in claim 4 is characterized in that: described signal differentiates that the circuit that device is set comprises:

At least have a filtering circuit, it connects relatively discriminator circuit of signal, and its shock wave with detected shock wave and default earthquake magnitude compares, and filters out the shock wave less than default earthquake magnitude;