CN111811639B - Ground wave monitoring equipment - Google Patents
Ground wave monitoring equipment Download PDFInfo
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- CN111811639B CN111811639B CN202010449927.9A CN202010449927A CN111811639B CN 111811639 B CN111811639 B CN 111811639B CN 202010449927 A CN202010449927 A CN 202010449927A CN 111811639 B CN111811639 B CN 111811639B
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- wave monitoring
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000012806 monitoring device Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000004308 accommodation Effects 0.000 claims abstract description 4
- 241001465754 Metazoa Species 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001902 propagating effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
- G01H11/06—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
- G01H11/08—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
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- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention relates to a ground wave monitoring device, comprising: a housing for providing a closed accommodation space; the monitoring mechanism is arranged in the shell and comprises a plurality of piezoelectric sensitive elements made of ceramic piezoelectric materials, the piezoelectric sensitive elements are round thin sheets and are arranged at equal intervals, and the diameters of the piezoelectric sensitive elements from bottom to top are sequentially and linearly increased; the signal line comprises a positive electrode signal line and a negative electrode signal line, and the positive electrode signal line and the negative electrode signal line are respectively and electrically connected to the monitoring mechanism.
Description
Technical Field
The invention relates to the field of ground wave monitoring, in particular to ground wave monitoring equipment.
Background
Waves propagating along the ground are called ground waves. When people or animals pass through the ground surface or perform certain operations on the ground surface, such as digging and the like, certain waves are generated and transmitted along the ground surface, and the ground waves are collected and analyzed, so that the method has great value. For example, the ground waves can be collected in the field of activities of rare animals, so that activity data of rare and protected animals can be collected and obtained. For example, ground waves are monitored in a cultural relic protection area, and when illegal molecules enter and perform illegal behaviors such as excavation and the like, ground wave information is acquired at the first time and an alarm is given.
The traditional equipment for monitoring the ground waves has a complex structure and a large structure, and is easy to be discovered by illegal molecules so as to avoid monitoring by adopting illegal means. Meanwhile, most of domestic existing monitoring equipment depends on import and does not independently research and develop related products.
The invention aims to design a ground wave monitoring device aiming at the problems in the prior art.
Disclosure of Invention
In view of the problems in the prior art, the present invention provides a ground wave monitoring device, which can effectively solve the problems in the prior art.
The technical scheme of the invention is as follows:
a ground wave monitoring device, comprising:
a housing for providing a closed accommodation space;
the monitoring mechanism is arranged in the shell and comprises a plurality of piezoelectric sensitive elements made of ceramic piezoelectric materials, the piezoelectric sensitive elements are circular thin sheets and are arranged in a hanging mode at equal intervals, and the diameters of the piezoelectric sensitive elements from bottom to top are sequentially and linearly increased;
the signal line comprises a positive electrode signal line and a negative electrode signal line, and the positive electrode signal line and the negative electrode signal line are respectively and electrically connected to the monitoring mechanism.
Further, the diameters of the piezoelectric sensitive elements from bottom to top are sequentially increased linearly from 0.5cm to 10 cm.
Further, the thickness of the piezoelectric sensitive element is 2-4 filaments.
Further, the thickness of the piezoelectric sensitive element is 3 filaments.
Further, the shell is composed of an upper half portion and a lower half portion, wherein the upper half portion is of a cylindrical structure, and the lower half portion is of a conical structure.
Further, the number of the piezoelectric sensitive elements is 25-35.
Further, the distance between the piezoelectric sensitive elements is 3-5 cm.
Optionally, the positive signal line and the negative signal line are respectively electrically connected to the piezoelectric sensitive element in parallel.
Optionally, the piezoelectric sensitive elements are connected in series in sequence, and the positive signal line and the negative signal line are electrically connected to the uppermost end and the lowermost piezoelectric sensitive element, respectively.
Accordingly, the present invention provides the following effects and/or advantages:
the invention has the beneficial effect of monitoring the ground waves by arranging and connecting the piezoelectric sensitive elements with different diameters in series and acquiring the voltage change generated by the piezoelectric sensitive elements. Furthermore, the diameter of the piezoelectric sensitive element adopted by the invention is 0.5-10cm, the thickness of the piezoelectric sensitive element is 2-3 filaments, and the piezoelectric sensitive element with the special structure can effectively monitor the ground waves with different frequencies (2k-3000kHz) on the ground surface.
The invention can monitor the ground waves with different frequencies by arranging the piezoelectric sensitive elements which are connected in parallel and in series in the shell, and has simple structure, small volume and convenient burying compared with the equipment such as radar and the like adopted in the prior art.
The conical structure is arranged at the lower half part of the shell, so that operators can conveniently bury the conical structure on the ground surface.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a piezoelectric sensitive element.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to fig. 1-2, a ground wave monitoring apparatus includes:
a housing 1 for providing a closed accommodation space;
the monitoring mechanism 2 is arranged inside the shell 1, the monitoring mechanism 2 comprises a plurality of piezoelectric sensitive elements 3 made of ceramic piezoelectric materials, the piezoelectric sensitive elements 3 are circular thin sheets, the piezoelectric sensitive elements 3 are arranged in a hanging mode at equal intervals, and the diameters of the piezoelectric sensitive elements 3 from bottom to top are sequentially and linearly increased;
signal line 4, signal line 4 contains anodal signal line and negative pole signal line, piezoelectricity sensitive component 3 establishes ties in proper order, anodal signal line with negative pole signal line electricity respectively is connected to the top and the bottommost piezoelectricity sensitive component 3.
Further, the diameter R of the piezoelectric sensitive element 3 is linearly increased from 0.5cm to 10cm from bottom to top in sequence.
Further, the thickness D of the piezoelectric sensitive element 3 is 3 filaments.
Further, the housing 1 is composed of an upper half portion having a cylindrical structure and a lower half portion having a conical structure.
Further, the number of the piezoelectric sensitive elements 3 is 25-30 pieces.
Further, the distance between the piezoelectric sensitive elements 3 is 3-5 cm.
Example two
This embodiment is substantially the same as the first embodiment, except that:
in particular, the number of said piezoelectric sensitive elements 3 is 25.
EXAMPLE III
This embodiment is substantially the same as the first embodiment, except that:
in particular, the number of said piezoelectric sensitive elements 3 is 30.
Example four
This embodiment is substantially the same as the first embodiment, except that:
in particular, the number of said piezoelectric sensitive elements 3 is 35.
EXAMPLE five
This embodiment is substantially the same as the first embodiment, except that:
the piezoelectric sensitive elements 3 are not connected in series, and the positive electrode signal line and the negative electrode signal line are respectively and electrically connected to the piezoelectric sensitive elements 3 in parallel.
The working principle is as follows: the piezoelectric sensitive element 3 included in the device is made of ceramic piezoelectric materials, and when receiving vibration, the piezoelectric sensitive element 3 generates corresponding voltage change. Furthermore, the device comprises a plurality of piezoelectric sensitive elements 3 with the diameter R which is increased linearly from 0.5cm to 10cm in sequence and the thickness D of 3 filaments, and through the change of the diameter R and the special selection of the thickness D, the device can sample and collect the ground waves within the frequency range of 2k to 3000kHz and the radius range of 10 to 12 km. Specifically, the larger the diameter R, the lower the frequency range of the monitored ground waves, for example, the piezoelectric sensitive element 3 with the diameter R of 0.5cm is used for monitoring the ground waves in the frequency region close to 3000kHz, and the piezoelectric sensitive element 3 with the diameter R of 10cm is used for monitoring the ground waves in the frequency region close to 2 k.
A plurality of devices are buried in the earth surface to be monitored and are connected to a collecting and processing terminal through a signal wire 4, and the processing terminal collects and analyzes the earth wave conditions of different devices, namely, the earth waves in the area are monitored.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (6)
1. An earth-wave monitoring device, characterized by: comprises the following steps:
a housing for providing a closed accommodation space;
the monitoring mechanism is arranged in the shell and comprises a plurality of piezoelectric sensitive elements made of ceramic piezoelectric materials, the piezoelectric sensitive elements are circular thin sheets and are arranged in a hanging mode at equal intervals, the piezoelectric sensitive elements are sequentially connected in series, and the diameters of the piezoelectric sensitive elements from bottom to top are sequentially and linearly increased;
the signal lines comprise a positive electrode signal line and a negative electrode signal line, and the positive electrode signal line and the negative electrode signal line are respectively electrically connected to the monitoring mechanism;
the diameters of the piezoelectric sensitive elements from bottom to top are sequentially increased linearly from 0.5cm to 10cm, and the thickness of the piezoelectric sensitive elements is 2-4 filaments.
2. A ground wave monitoring device according to claim 1, characterized in that: the thickness of the piezoelectric sensitive element is 3 filaments.
3. A ground wave monitoring device according to claim 1, characterized in that: the casing comprises upper half portion and latter half, the upper half portion is the cylindrical structure, the latter half is conical structure.
4. A ground wave monitoring device according to claim 1, characterized in that: the number of the piezoelectric sensitive elements is 25-35.
5. A ground wave monitoring device according to claim 1, characterized in that: the distance between the piezoelectric sensitive elements is 3-5 cm.
6. A ground wave monitoring device according to claim 1, characterized in that: the positive signal line and the negative signal line are electrically connected to the uppermost and lowermost piezoelectric sensitive elements, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449927.9A CN111811639B (en) | 2020-05-25 | 2020-05-25 | Ground wave monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010449927.9A CN111811639B (en) | 2020-05-25 | 2020-05-25 | Ground wave monitoring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111811639A CN111811639A (en) | 2020-10-23 |
| CN111811639B true CN111811639B (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010449927.9A Active CN111811639B (en) | 2020-05-25 | 2020-05-25 | Ground wave monitoring equipment |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2439034Y (en) * | 2000-08-24 | 2001-07-11 | 西安石油勘探仪器总厂 | Terrestrial piezoelectric ceramic seismic detector |
| US7637161B2 (en) * | 2006-04-19 | 2009-12-29 | Raytheon Utd Inc. | Substrate penetrating acoustic sensor |
| CN108106716B (en) * | 2018-02-05 | 2020-08-14 | 大连理工大学 | Frequency-adjustable high-sensitivity hydrophone |
| CN109870718A (en) * | 2019-02-03 | 2019-06-11 | 沈永进 | Piezoelectric ceramics shallow-layer exploration with complete waves energy converter |
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Effective date of registration: 20220720 Address after: No. 1209, 12 / F, South Block, Yuanxing science and technology building, No. 1, songpingshan Road, songpingshan community, Xili street, Nanshan District, Shenzhen, Guangdong 518000 Applicant after: Huofeng Technology (Shenzhen) Co.,Ltd. Address before: 518000 1401, building a, Hongji garden, No. 2053, jintiantian Road, Luohu District, Shenzhen, Guangdong Province Applicant before: Liu Zhiya |
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