CN111308546A - Earthquake monitoring equipment based on voltage induction - Google Patents
Earthquake monitoring equipment based on voltage induction Download PDFInfo
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- CN111308546A CN111308546A CN202010177453.7A CN202010177453A CN111308546A CN 111308546 A CN111308546 A CN 111308546A CN 202010177453 A CN202010177453 A CN 202010177453A CN 111308546 A CN111308546 A CN 111308546A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 230000006698 induction Effects 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000012806 monitoring device Methods 0.000 claims description 8
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical compound [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 3
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 2
- 244000097202 Rathbunia alamosensis Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
- G01V1/182—Geophones with moving coil
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- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses voltage induction-based earthquake monitoring equipment which comprises an installation groove arranged underground and a shell arranged in the installation groove, wherein two permanent magnets are symmetrically arranged in the shell, the opposite magnetic poles of one side of each permanent magnet are opposite, an installation cylinder is arranged on the top wall in the shell, a movable block is slidably arranged in the installation cylinder through a limiting mechanism, a spring is elastically connected between the upper end of the movable block and the inner wall of the installation cylinder, the lower end of the movable block is connected with a coil, the coil is positioned between the two permanent magnets, and a millivolt meter, a controller, a wireless communicator and a storage battery are respectively arranged in the shell. The earthquake monitoring system can respond to the ground vibration in time, analyze and judge the vibration condition in time, and transmit the earthquake information in time, so that personnel can evacuate in time, casualties of the personnel are reduced, meanwhile, the interference of the outside on the operation of equipment is small, the accuracy of the monitoring result is high, and the applicability is strong.
Description
Technical Field
The invention relates to the technical field of earthquake monitoring, in particular to voltage induction type earthquake monitoring equipment.
Background
Earthquake is also called earthquake and earth vibration, and is a natural phenomenon that earthquake waves are generated during the vibration caused in the process of quickly releasing energy from the earth crust, and the mutual extrusion and collision between the plates on the earth cause the dislocation and the fracture of the plate edges and the inside of the plates, which is the main reason for causing the earthquake.
When an earthquake happens, due to strong destructive power, the earthquake monitoring device often causes huge damage to the personal safety of people, the existing earthquake monitoring device generally adopts underground monitoring equipment, earthquake information is obtained through detecting the change of the environment in a well, but the monitoring method is only suitable for remote areas, more time is often wasted when monitoring results are analyzed and then transmitted to a crowd-dense area, and therefore people miss the optimal escape time, and the practicability is poor.
Disclosure of Invention
The invention aims to solve the defects that the existing earthquake monitoring equipment in the prior art is small in application range and cannot transmit a monitoring result in time, and provides voltage induction-based earthquake monitoring equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a based on voltage induction formula seismic monitoring equipment, is including seting up at the mounting groove in the underground and installing the casing in the mounting groove, the internal symmetry of casing is equipped with two permanent magnetism pieces, and two relative one side magnetic poles of permanent magnetism piece are opposite, be equipped with an installation section of thick bamboo on the roof in the casing, there is the movable block through stop gear slidable mounting in the installation section of thick bamboo, elastic connection has the spring between movable block upper end and the installation section of thick bamboo inner wall, the movable block lower extreme is connected with the coil, and the coil is located between two permanent magnetism pieces, still install millivolt table, controller, wireless communicator and battery in the casing respectively, two terminals of millivolt table are respectively through two connector lug electric connection of wire and coil.
Preferably, the controller is electrically connected with the millivoltmeter, the wireless communicator and the storage battery through wires respectively.
Preferably, the limiting mechanism comprises a plurality of limiting grooves evenly formed in the inner wall of the mounting cylinder, each limiting groove is internally and slidably connected with a limiting block, and the limiting blocks are fixedly connected to the side wall of the movable block at the positions far away from the corresponding limiting grooves.
Preferably, the housing is composed of an outer shell made of a plastic material and an inner shell made of an iron-aluminum alloy material.
The invention has the beneficial effects that:
1. according to the invention, the spring is arranged, so that the coil can resonate with the earthquake vibration through the movable block, the operation of the monitoring mechanism is triggered, and the external small-degree vibration can be filtered by utilizing the buffering effect of the spring, so that the interference of the external small-size vibration on the monitoring equipment is avoided, and the accuracy of the monitoring result of the equipment is further improved.
2. According to the earthquake monitoring device, the coil is used for cutting the permanent magnet magnetic induction lines to generate induced electromotive force, the vibration intensity is reflected through the fluctuation of the induced electromotive force, and meanwhile, the controller is used for comparing the fluctuation of the induced electromotive force with a preset threshold value in the controller to be used as a method for monitoring earthquake occurrence, so that underground vibration conditions can be rapidly known, the detection speed is high, and the earthquake monitoring device is also suitable for earthquake detection of crowd-dense areas.
3. In the invention, the whole monitoring equipment is placed in the underground mounting groove which is deeper than the ground, so that the influence of the activities of vehicles and the like on the ground on the shell can be effectively prevented, and the reliability of equipment monitoring is improved.
4. In the invention, the plastic outer shell and the iron-aluminum alloy inner shell are arranged, so that the service life of the equipment is prolonged, the influence of the earthquake on the operation of the equipment can be reduced, and the working stability of the equipment is improved.
5. According to the invention, through the limiting mechanism, the coil can be ensured to vertically cut the magnetic induction line in a uniform magnetic field when the movable block moves up and down, so that the moving stability of the coil is improved.
In conclusion, the earthquake monitoring system can timely respond to the ground vibration, timely analyze and judge the vibration condition, and timely transmit the earthquake information, so that personnel can be evacuated in time, casualties of the personnel are reduced, meanwhile, the interference of the outside on the operation of equipment is small, the accuracy of the monitoring result is high, and the applicability is strong.
Drawings
FIG. 1 is a schematic structural diagram of a voltage induction-based seismic monitoring device according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1. the device comprises a mounting groove, a shell 2, a permanent magnet 3, a mounting barrel 4, a spring 5, a limiting groove 6, a limiting block 7, a movable block 8, a coil 9, a millivoltmeter 10, a controller 11, a wireless communicator 12 and a storage battery 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a voltage induction-based earthquake monitoring device comprises an installation groove 1 arranged underground and a shell 2 fixedly connected in the installation groove 1, wherein two permanent magnets 3 are symmetrically arranged in the shell 2, and the opposite magnetic poles of one side of the two permanent magnets 3 are opposite, so that a uniform magnetic field in the horizontal direction can be formed between the two permanent magnets 4, an installation cylinder 4 is fixedly arranged on the inner top wall of the shell 2, a movable block 8 is slidably arranged in the installation cylinder 4 through a limiting mechanism, the lower end of the movable block 8 penetrates through the installation cylinder 4 and extends to a position between the two permanent magnets 4, a spring 5 is elastically connected between the upper end of the movable block 8 and the inner top wall of the installation cylinder 4, the lower end of the movable block 8 is connected with a coil 9, the coil 9 is positioned between the two permanent magnets 3, and the central axes of the coil 9, the movable block 8, the installation cylinder 4 and the spring, still install millivoltmeter 10, controller 11, wireless communicator 12 and battery 13 in the casing 2 respectively, two terminals of millivoltmeter 10 are respectively through wire and two connector lug electric connection of coil 9.
In the invention, the controller 11 is respectively electrically connected with the millivoltmeter 10, the wireless communicator 12 and the storage battery 13 through leads, when electromotive force is generated in the coil 9, the millivoltmeter 10 can detect and record and transmit the electromotive force to the controller 11, a threshold value of electromotive force fluctuation is preset in the controller 11, the controller 11 and the wireless communicator 12 are electrically connected in an integrated cable mode, when the controller 11 transmits a control signal to the wireless communicator 12, the controller 11 supplies power to the wireless communicator 12, and the storage battery 13 can supply power to the controller 11 and the wireless communicator 12, so that the condition that the equipment cannot work due to the fact that an external power supply circuit is cut off when an earthquake occurs is avoided.
According to the invention, the limiting mechanism comprises a plurality of limiting grooves 6 uniformly formed in the inner wall of the mounting cylinder 4, a limiting block 7 is connected in each limiting groove 6 in a sliding manner, and one ends of the limiting blocks 7, far away from the corresponding limiting grooves 6, are fixedly connected to the side wall of the movable block 8, so that when the movable block 8 moves up and down, the coil 9 can be ensured to vertically cut magnetic induction lines in a uniform magnetic field formed by the two permanent magnets 3, and the movement stability of the coil 9 is improved.
According to the invention, the shell is composed of the outer shell made of a plastic material and the inner shell made of an iron-aluminum alloy material, wherein the outer shell made of the plastic material can effectively prevent the equipment from being corroded and damaged, and the inner shell made of the iron-aluminum alloy material can form a magnetic shielding space in the inner shell, so that the electromagnetic wave generated by earthquake when the earthquake happens is prevented from influencing the operation of the equipment in the shell 2, and the normal work of the equipment is further ensured.
When the earthquake-proof device is used, when an earthquake occurs at the initial stage, the shell 2 starts irregular vibration along with the ground, according to the instantaneous principle of the spring 5, the spring 5 drives the coil 9 to reciprocate up and down through the movable block 8, and because the uniform magnetic field between the two permanent magnet blocks 3 is in the horizontal direction, the coil 9 moves up and down to cut magnetic induction lines along with the movement of the coil 9, so that alternating induced electromotive force is formed in the coil 9, and a formula is calculated according to the magnitude of the induced electromotive force in the electromagnetic induction:
E＝BLVsinA
wherein sinA is an included angle between V or L and the magnetic induction line, and L is an effective length;
since B, L and sinA in the device are fixed values, and the motion speed V of the coil 9 is changed along with the vibration speed of the shell 2, when the induced electromotive force E in the coil 9 fluctuates greatly along with the increase of the intensity of the earthquake, the millivolt meter 10 records the fluctuation and transmits the fluctuation to the controller 11, the controller 11 compares the signal with a preset threshold value in the controller to judge whether the signal is the vibration caused by the earthquake, if the signal is judged to be caused by the earthquake, the controller 11 transmits the signal to the wireless communicator 12, the wireless communicator 12 transmits the signal to the outside to remind people of evacuating in time, the casualties of the people are reduced, the purpose of monitoring and early warning of the earthquake is achieved, and if the signal is not the vibration caused by the earthquake, the signal is kept unchanged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides a based on voltage induction formula earthquake monitoring equipment, includes sets up at underground mounting groove (1) and installs casing (2) in mounting groove (1), its characterized in that, casing (2) interior symmetry is equipped with two permanent magnetism piece (3), and two relative one side magnetic poles of permanent magnetism piece (3) are opposite, be equipped with an installation section of thick bamboo (4) on the roof in casing (2), there is movable block (8) through stop gear slidable mounting in an installation section of thick bamboo (4), elastic connection has spring (5) between movable block (8) upper end and the installation section of thick bamboo (4) inner wall, movable block (8) lower extreme is connected with coil (9), and coil (9) are located between two permanent magnetism piece (3), still install millivolt meter (10), controller (11), wireless communicator (12) and battery (13) respectively in casing (2), and the two wiring terminals of the millivolt meter (10) are electrically connected with the two wiring terminals of the coil (9) through conducting wires respectively.
2. The earthquake monitoring device based on voltage induction type according to claim 1, wherein the controller (11) is electrically connected with the millivoltmeter (10), the wireless communicator (12) and the storage battery (13) through leads respectively.
3. The voltage induction type earthquake monitoring device according to claim 1, wherein the limiting mechanism comprises a plurality of limiting grooves (6) uniformly formed in the inner wall of the mounting cylinder (4), a limiting block (7) is slidably connected in each limiting groove (6), and one ends of the limiting blocks (7) far away from the corresponding limiting grooves (6) are fixedly connected to the side wall of the movable block (8).
4. Seismic monitoring equipment based on voltage induction, according to claim 1, characterized by the fact that said case (2) consists of an outer shell made of plastic material and an inner shell made of iron-aluminium alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177453.7A CN111308546A (en) | 2020-03-13 | 2020-03-13 | Earthquake monitoring equipment based on voltage induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010177453.7A CN111308546A (en) | 2020-03-13 | 2020-03-13 | Earthquake monitoring equipment based on voltage induction |
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| Publication Number | Publication Date |
|---|---|
| CN111308546A true CN111308546A (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010177453.7A Pending CN111308546A (en) | 2020-03-13 | 2020-03-13 | Earthquake monitoring equipment based on voltage induction |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078048A (en) * | 1992-04-29 | 1993-11-03 | 李向坤 | A kind of multi-purpose vibration-sensing controler |
| JPH1038673A (en) * | 1996-07-29 | 1998-02-13 | Tokyo Gas Co Ltd | Acceleration seismograph device |
| JPH10197331A (en) * | 1997-01-14 | 1998-07-31 | Matsushita Electric Works Ltd | Vibration sensing device |
| CN202339414U (en) * | 2011-11-18 | 2012-07-18 | 西安工业大学 | Acceleration-type earthquake wave detector with adjustable magnetic circuit |
| CN203705654U (en) * | 2014-01-22 | 2014-07-09 | 西安森舍电子科技有限责任公司 | Seismometer |
| CN107402403A (en) * | 2017-09-07 | 2017-11-28 | 防灾科技学院 | Seismometer magnetic field structure and its method to set up |
| CN207352182U (en) * | 2017-09-07 | 2018-05-11 | 防灾科技学院 | Seismometer magnetic field structure and magneto-electric seismometer |
| CN110068390A (en) * | 2018-05-15 | 2019-07-30 | 西安工业大学 | Piezoelectricity and electromagnetic coupling vibrating sensor |
-
2020
- 2020-03-13 CN CN202010177453.7A patent/CN111308546A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078048A (en) * | 1992-04-29 | 1993-11-03 | 李向坤 | A kind of multi-purpose vibration-sensing controler |
| JPH1038673A (en) * | 1996-07-29 | 1998-02-13 | Tokyo Gas Co Ltd | Acceleration seismograph device |
| JPH10197331A (en) * | 1997-01-14 | 1998-07-31 | Matsushita Electric Works Ltd | Vibration sensing device |
| CN202339414U (en) * | 2011-11-18 | 2012-07-18 | 西安工业大学 | Acceleration-type earthquake wave detector with adjustable magnetic circuit |
| CN203705654U (en) * | 2014-01-22 | 2014-07-09 | 西安森舍电子科技有限责任公司 | Seismometer |
| CN107402403A (en) * | 2017-09-07 | 2017-11-28 | 防灾科技学院 | Seismometer magnetic field structure and its method to set up |
| CN207352182U (en) * | 2017-09-07 | 2018-05-11 | 防灾科技学院 | Seismometer magnetic field structure and magneto-electric seismometer |
| CN110068390A (en) * | 2018-05-15 | 2019-07-30 | 西安工业大学 | Piezoelectricity and electromagnetic coupling vibrating sensor |
Non-Patent Citations (2)
| Title |
|---|
| 罗福龙等: "地震检波器技术及应用", 《地震检波器技术及应用》 * |
| 蔺景昌等: "《机械产品质量检验》", 30 September 1998 * |
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Application publication date: 20200619 |
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