CN201045669Y

CN201045669Y - Simple earthquake forecasting device

Info

Publication number: CN201045669Y
Application number: CNU2007201510774U
Authority: CN
Inventors: 哈力·喀甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-12
Filing date: 2007-05-12
Publication date: 2008-04-09
Anticipated expiration: 2017-05-12

Abstract

A simple earthquake prediction device belongs to the earthquake alarm technical field, and comprises a shell body, a circuit board, cables, an electrolytic capacitor, a vibration pickup device I, and the vibration pickup device II. The structure is that a positive and a negative electrodes of the electrolytic capacitor are respectively connected with the vibration pickup device I and the vibration pickup device II through cables and meanwhile are connected with the circuit board, and a signal processing circuit, an audio oscillating circuit, an power amplifying circuit, and a sensor circuit are arranged on the circuit board. The simple earthquake prediction device acquires the related information of various physical signal changes on ground surfaces according to the changes of the charge movement before the earthquake is occurred, an amplifying circuit is used to amplify electrical signals, thereby achieving the purpose of alarming before the earthquake is occurred, the simple earthquake prediction device has the advantages of simple structure, convenient utilization, and low manufacture cost, and can be matched with the earthquake profession station phase to predict various related information before the earthquake is occurred, and can also be used for surveying geologic structures or reacting various buildings and structures. The utility model can provide design considerations for anti-seismic constructions.

Description

Simple and easy earthquake precursor

Affiliated technical field

The utility model belongs to the earthquake alarm technical field, is a kind of simple and easy earthquake precursor.(IPC) belongs to physical department according to International Patent Classification (IPC), and instrument branch measures; Test big class, geophysics; Gravimetry; The detection of material or object; The tracer group, exploration or the equipment of surveying or method master group, the receiving element of seismic signal; The configuration of receiving element or improve little technical group field.Classification number is G01V 1/16.

Background technology

Earthquake is a kind of disaster, earthquake is all taking place in every day on the earth, it has brought tremendous loss to the mankind, for reducing the disaster that earthquake brought, for a long time, the mankind are attempting accurate forecast is made in earthquake always, so that ready before earthquake takes place, reduce the loss of earthquake disaster.Therefore, various earthquake prediction instruments arise at the historic moment, and are widely used in the every field of the development of the national economy and protection against and mitigation of earthquake disasters.At present existing polytype seismic monitoring equipment, as the terrestrial magnetic field instrument, earthing resistivity measuring instrument etc., and wireless telemetering, magnetic recording, digitizing have been realized, these equipment are very sensitive, by electricity over the ground, ground temperature, the variation of physical datas such as gravitation carry out the tracking condition prediction earthquake and measure seismic intensity all playing an important role.But owing to these device structure precisions, cost an arm and a leg, complex structure, installing needs special fortification, thus only limit to and the use of minority seismograph station, unsuitable penetration and promotion, this is unfavorable for accomplishing the mass presdiction and disaster prevention of earthquake.Some are also arranged in easy earthquake Alarm, it all adopts traditional weight sensor to make the circuit connection technically and reports to the police, sensitivity is not high, when taking place, earthquake could report to the police, do not have the effect that predicts an earthquake in advance, this is to people's life and produce the critical sense of band safety, and therefore, people need simple in structure, an easy installation, can observe the simple and easy earthquake precursor of valuable information of earthquake.

Summary of the invention

The purpose of this utility model is to provide a kind of simple and easy earthquake precursor, this simple and easy earthquake precursor obtains the relevant information that the various physical signallings of surface layer before the earthquake change according to the variation of charge movement, utilize the amplifying circuit amplification signal again, thereby reach the purpose of reporting to the police before the shake.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of simple and easy earthquake precursor, its principle of work is: according to the variation of charge movement in the electrolyte, obtain the relevant information that the various physical signallings of the preceding surface layer of earthquake change, utilize amplifying circuit again, the electric signal that earth shock is produced amplifies, make people can measure the information relevant, thereby reach the purpose of predicting before the earthquake with earthquake.

Described simple and easy earthquake precursor, comprise housing, circuit board, cable, electrolytic condenser, pick up shake device II, pick up shake device I, it is characterized in that: positive and negative the two poles of the earth of electrolytic condenser are connected with picking up shake device I and pick up shake device II respectively by cable, and the positive and negative electrode while of electrolytic condenser links to each other with circuit board.Described circuit board is provided with signal processing circuit, audio oscillator circuit, power amplifier and sensor circuit.

The above-described shake device I that picks up is made up of an aluminium matter disk and the hollow aluminum pipe that is fixed on aluminium matter disk center, is inserted with a carbon-point in this hollow aluminum pipe.

The above-described shake device II that picks up is made up of a silver cone copper post middle with being fixed on silver cone.

Circuit board and the electrolytic condenser be made up of signal processing circuit, audio oscillator circuit, power amplifier, sensor circuit are contained in the housing.On the panel of housing, be provided with the switch, fine setting knob, the liquid crystal display that are connected with circuit board, outer jointing holes and support also are housed on the case panel.

Above-described simple and easy earthquake precursor picks up shake device I and picks up shake device II, should be arranged on apart from 10--30 rice depths, ground, and the concrete depth of burying can be according to institute's installation environment decision, and neighbourhood noise is big, and what should bury is dark, little just bury more shallow of noise.

Because copper, aluminium, the electric conductivity difference of different metal materials such as silver, the also difference to some extent of frequency of picking up shake device I and picking up the electric signal of shake device II when receiving earthquake to ground generation vibrations, before earthquake takes place, make in the electrolytic condenser just electrolytical from the shake device I that picks up that is embedded in the earthquake prediction district with the electric signal frequency of picking up shake device II, the negative ion conduction, the quantity of electric charge that causes electrode to receive changes and causes that the electric current in the circuit changes, carry out the amplification of electric signal again with amplifying circuit, change the seismic signal that is reacted according to this electric current and dope related data information such as earthquake strength.

The beneficial effects of the utility model are: provide traditional seismograph of earthquake related data to compare with utilizing mechanics principle, this simple and easy earthquake precursor obtains the highly sensitive of earthquake information, simple in structure, easy to use, low cost of manufacture is easy to make, and is easy to popularize, can cooperate earthquake speciality station phase, the various relevant informations before the prediction earthquake takes place.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the utility model principle schematic.

Fig. 2 is the utility model structural representation.

Fig. 3 picks up the structural representation of shake device I for the utility model.

Fig. 4 picks up the sectional view of shake device I for the utility model.

Fig. 5 picks up the sectional view of shake device II for the utility model.

Fig. 6 is the utility model circuit theory diagrams.

In the drawings: 1. housing, 2. circuit board, 3. cable, 4. electrolytic condenser, 5. pick up shake device II, 6. ten shake device I, 7. liquid crystal display, 8. outer jointing holes, 9. support, 10. switch, 11. fine setting knobs, 12. carbon-point, 13. aluminium matter dishes, 14. aluminium matter pipes, 15. the copper post, 16. silver cones, 17. signal processing circuits, 18. audio oscillator circuit, 19. power amplifiers, 20. sensor circuits.

Embodiment

A kind of simple and easy earthquake precursor comprises housing (1), circuit board (2), cable (3), electrolytic condenser (4), picks up shake device II (5), picks up shake device I (6).It is characterized in that: positive and negative the two poles of the earth of electrolytic condenser (4) are connected with picking up shake device I (6) and pick up shake device II (5) respectively by cable (3), and the positive and negative electrode of electrolytic condenser (4) while links to each other with circuit board (2).Described circuit board (2) is provided with signal processing circuit (17), audio oscillator circuit (18), power amplifier (19) and sensor circuit (20).

The above-described shake device I (6) that picks up is inserted with a carbon-point (12) in this hollow aluminum pipe (14) by an aluminium matter disk (13) be fixed on the hollow aluminum pipe (14) that aluminium matter disk hits exactly and form.

The above-described shake device II (5) that picks up is made up of a silver cone (16) and the copper post (15) that is fixed on silver cone (16) centre.

Circuit board (2) and the electrolytic condenser (4) be made up of signal processing circuit (17), audio oscillator circuit (18), power amplifier (19), sensor circuit (20) are contained in the housing (1).On housing (1) panel, be provided with the switch (10), fine setting knob (11), the liquid crystal display (7) that are connected with circuit board (92), outer jointing holes (8) and support (9) also are housed on housing (1) panel.The available hard rubber material of housing (1) is made.

Above-described simple and easy earthquake precursor picks up shake device I (6) and picks up shake device II (5), should be arranged on apart from 10--30 rice depths, ground, the concrete depth of burying can be according to institute's installation environment decision, and neighbourhood noise is big, what should bury is dark, little just bury more shallow of noise.

Because copper, aluminium, the electric conductivity difference of different metal materials such as silver, the also difference to some extent of frequency of picking up shake device I (6) and picking up the electric signal of shake device II (5) when receiving earthquake to ground generation vibrations, before earthquake takes place, make in the electrolytic condenser (4) just electrolytical from being embedded in picking up shake device I (6) and picking up the electric signal rate of shaking device II (5) in the earthquake prediction district, the negative ion conduction, the quantity of electric charge that causes electrode to receive changes and causes that the electric current in the circuit changes, use power amplifier (19) to carry out the amplification of electric signal again, change the seismic signal that is reacted according to this electric current and dope related data information such as earthquake strength.

In the embodiment shown in Figure 6, when the positive and negative ion in electrolytic condenser (4) electrolyte being conducted electricity from picking up shake device I (6) and picking up the electric signal that shakes device II (5), the quantity of electric charge that causes electrode to receive changes and causes when electric current in the circuit changes, by the sensor circuit (20) that is installed in housing (1) interior circuit board (2) these current changing signals are amplified, sensor circuit (20) is an one-level partial pressure type Current Negative Three-Point Capacitance amplifying circuit, is made up of BG1, R1, R2, R3, R4, R5, C1.The input end that the output signal of sensor circuit (20) is entered people's signal processing circuit (17), so both can replenish the loss of signal on the circuit, can improve the signal to noise ratio (S/N ratio) of signal again, the false alarm of having avoided undesired signal to cause, the length of cable (3) can be provided with according to user's needs, signal by sensing circuit (20) output is coupled to the preamplifier state of signal processing circuit (17) through capacitor C, to advance---the step is improved signal intensity, preamplifier state is by BC2, R6, R7, R8, R9, C2, C3 forms the partial pressure type current negative feedback circuit, make that the working stability of amplifier is reliable owing to add negative feedback, signal after the amplification is sent to buffer stage by capacitor C 3, buffer stage is by BG3, R10, R11, C4 forms, because this level does not add base bias, when the positive half-peak threshold voltage of bigger signal arrives, make the BG3 conducting, after amplifying, caused the variation that collector voltage is big, make the reliable conducting of subordinate, buffer stage has also played isolates because the alert signal of the mistake that other factors causes, the signal of buffer stage output is coupled to by D1 by C4, D2, the voltage doubling rectifing circuit that C5 forms, sound signal is become direct current signal in order to drive the work of driving stage, and the effect of W is an action sensitivity of regulating driving stage.Driving stage is made up of BG4, BG5, R12, D3, J1, C8, and BG4, BG5 form complex pipe, to improve enlargement factor, strengthens driving sensitivity.D3 is in order to protective transistor, and the J2 contact is the self-insurance contact, is used for continuing to make behind blackout the relay J adhesive.When drive signal is added to the BG4 base stage, BG4, BG5, conducting makes the relay J adhesive, and normal opened contact J1, J2 connect, and J1 makes the driver self-insurance, and J2 makes warning circuit work, and this warning circuit is made up of audio oscillation level (18), power amplifier level (19).The audio oscillation level is made up of NE555, R13, R14, C7, the sound signal of its generation is by the triangle output of collector NE555, the audio pulse of output promotes the power amplifier level, the power amplifier level is made up of BG6, D4 loudspeaker, promote loudspeaker through power amplifier level BG6 amplifying signal and send loud sound, thereby reach the purpose of reporting to the police before the shake.

The utility model also is applicable to field work, also can be used for architectonic exploration and earthquake prediction before the architectural design, or various buildings, the reaction of structures ground, and it can provide the design considerations of tectonic structure situation for the construction earthquake-resistant structure.

Claims

1. simple and easy earthquake precursor, comprise housing, circuit board, cable, electrolytic condenser, pick up shake device I, pick up shake device II, it is characterized in that: positive and negative the two poles of the earth of electrolytic condenser shake device II and are connected with picking up shake device I and pick up respectively by cable, the positive and negative electrode of electrolytic condenser links to each other with circuit board simultaneously, and described circuit board is provided with signal processing circuit, audio oscillator circuit, power amplifier and sensor circuit.

2. simple and easy earthquake precursor according to claim 1, it is characterized in that: pick up shake device I and form by an aluminium matter disk and the hollow aluminum pipe that is fixed on aluminium matter disk center, be inserted with a carbon-point in this hollow aluminum pipe, the described shake device II that picks up is made up of a silver cone copper post middle with being fixed on silver cone.