CN214174652U - Geological detection sensing device and detection system - Google Patents
Geological detection sensing device and detection system Download PDFInfo
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- CN214174652U CN214174652U CN202022556090.6U CN202022556090U CN214174652U CN 214174652 U CN214174652 U CN 214174652U CN 202022556090 U CN202022556090 U CN 202022556090U CN 214174652 U CN214174652 U CN 214174652U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The utility model discloses a geological detection sensing device and a detection system, wherein the sensing device comprises a conductive outer shell, an insulating inner shell, a geophone, a first signal transmission line and a second signal transmission line; the geophone is arranged in the insulated inner shell in the conductive outer shell, and a signal transmission port is arranged on the conductive outer shell; one end of a first signal transmission line is connected with the geophone, and the other end of the first signal transmission line is led out of the insulating inner shell and connected with a signal transmission port; the two ends of the second signal transmission line are respectively connected to the conductive shell and the signal transmission port. The utility model discloses a detection device integration has high density electrical method to survey function and seismic exploration function, need not change the device and can realize the measurement of two kinds of methods, convenient and fast, and has promoted measurement accuracy.
Description
Technical Field
The utility model belongs to the technical field of the geological survey, concretely relates to a geological exploration sensing device and detecting system that is used for high density electricity method and seismic method to jointly test.
Background
Seismic exploration and high-density electrical exploration are two methods commonly used for geophysical exploration. The seismic exploration detection device is a geophone, and the high-density electrical exploration detection device is an electrode. The high-density electrical method is limited in measurement depth due to the limitations of power supply, wire length measurement and wiring techniques. The seismic exploration method is easy to interfere in propagation, the energy of seismic waves excited in a dry loose loess layer is quickly attenuated, and the downlink energy is weak.
Aiming at areas with complex geological conditions, such as the loess areas in the northwest of China, and important engineering activities such as flat mountain city building, ditch control land building, ditch fixing tableland keeping and other loess special structures. When geological detection is carried out, the two devices are usually combined for use, but the arranged detection devices need to be replaced every time, so that the complexity of the test process is increased, time and labor are wasted, and the measurement depth and precision are also limited.
Disclosure of Invention
The utility model aims at providing a geological detection sensing device and detecting system, the solution needs to be changed the device and makes the loaded down with trivial details problem of test process when jointly using high density electrical method device and detecting device.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a geological detection sensing device comprises a conductive outer shell, an insulating inner shell, a geophone, a first signal transmission line and a second signal transmission line; the insulating inner shell is arranged in the conductive outer shell, the geophone is arranged in the insulating inner shell, and a signal transmission port is arranged on the conductive outer shell; one end of the first signal transmission line is connected with the geophone, and the other end of the first signal transmission line is led out of the insulating inner shell and connected with the signal transmission port; and two ends of the second signal transmission line are respectively connected to the conductive shell and the signal transmission port.
Specifically, both ends of the conductive shell are provided with connector mounting holes, each connector mounting hole is connected with a first connector, and the first connectors form the signal transmission ports; the first joint is cylindrical, an insertion hole is formed in the end face of the first joint, and threads are formed in the side face of the first joint.
Furthermore, a second joint is arranged on the inner wall of the conductive shell, and the second signal transmission line is connected to the second joint.
Furthermore, a third joint is arranged on the insulating inner shell, and the first signal transmission line is connected with the geophone through the third joint.
Specifically, the geophone is a circuit board integrated with a detection circuit, and the circuit board is fixed on the inner wall of the insulating inner shell.
Furthermore, a gap is formed between the inner wall of the conductive outer shell and the outer wall of the insulating inner shell, a transmission bus is arranged in the gap, and two ends of the transmission bus are respectively connected to the inner walls at two ends of the conductive outer shell.
The utility model also discloses a geological detection system, which comprises a host and a plurality of geological detection sensing units, wherein each geological detection sensing unit comprises a plurality of geological detection sensing devices which are connected in series through cables; the host is provided with a high-density electrical method system and a seismic surveying system.
Specifically, the cable comprises an inner core, an insulating layer and connectors arranged at two ends, and the shape of each connector is matched with that of a signal transmission port.
Specifically, the connector is cylindrical, a groove is formed in one end of the connector, threads are arranged on the inner wall of the groove, and a needle-shaped protrusion is arranged at the bottom of the groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a detection device integration has high density electrical method to survey function and seismic exploration function, need not change the device and can realize the measurement of two kinds of methods, convenient and fast, and has promoted measurement accuracy.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a schematic structural diagram of a detection sensor device according to an embodiment of the present invention.
Fig. 2 is a schematic view of a detection system according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a cable according to an embodiment of the present invention.
Fig. 4 is a front view of a first joint according to an embodiment of the present invention.
Fig. 5 is a front view of a joint of an electric cable according to an embodiment of the present invention.
The reference numerals in the figures denote:
1-a host, 2-a geological detection sensing device, 3-a cable, 4-a detection hole and 5-a power supply;
201-conductive outer shell, 202-insulating inner shell, 203-geophone, 204-gap, 205-first signal transmission line, 206-second signal transmission line, 207-first joint, 208-jack, 209-second joint, 210-third joint, 211-transmission bus, 212-strong foam glue, 213-moving coil core, 214-operational amplifier, 215-resistor;
301-core, 302-insulating layer, 303-tab, 304-groove, 305-needle-like protrusion.
The following detailed description of the present invention is provided in connection with the accompanying drawings and the detailed description of the invention.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, bottom, top" and "lower" generally refer to the definition in the drawing figures of the accompanying drawings, and "inner and outer" refer to the inner and outer contours of the corresponding parts.
A specific embodiment of the present invention discloses a geological detection sensing device, as shown in fig. 1, the device comprises a conductive outer shell 201, an insulating inner shell 202, a geophone 203, a first signal transmission line 205 and a second signal transmission line 206; in which the conductive housing 201 serves as an electrode for the high density electrical method and the geophone 203 serves as a survey element in the seismic exploration method.
The insulating inner shell 202 is arranged in the conductive outer shell 201, the geophone 203 is arranged in the insulating inner shell 202, and the conductive outer shell 201 is provided with a signal transmission port; one end of a first signal transmission line 205 is connected with the geophone 203, the other end of the first signal transmission line 205 is led out from the insulating inner shell 202 and connected with a signal transmission port, and the first signal transmission line 205 is used for transmitting signals of the geophone; the two ends of the second signal transmission line 206 are respectively connected to the conductive shell 201 and the signal transmission port, and the second signal transmission line 206 is used for transmitting the electrical signal of the conductive shell.
The geophone 203 is a commercially available product, and specifically, the geophone 203 of the present embodiment is a circuit board integrated with a detection circuit, and the circuit board is fixed on the inner wall of the insulating inner casing 202. The detector circuit includes a moving coil core JT 213, an operational amplifier 214, and two resistors 215, as shown in fig. 1, and the detector chip can be used to receive the vibration signal and convert the vibration signal into an electrical signal.
The conductive outer shell 201 of this embodiment is a stainless steel hollow cylinder, and the insulating inner shell 202 is a hollow cylinder made of piezoelectric ceramic material. The bottom of the conductive outer case 201 is filled with a strong foam 212 of a certain thickness, and the insulating inner case 202 is placed on the strong foam so that the insulating inner case 202 is fixed in the conductive outer case 201.
Specifically, connector mounting holes are formed in two ends of the conductive housing 201, a first connector 207 is connected to each connector mounting hole, the first connectors 207 form signal transmission ports, and one or two, generally two, first connectors 207 may be arranged on each conductive housing 201, and when a plurality of geological detection sensing devices are connected in series, the geological detection sensing devices are connected to adjacent sensing devices. In this embodiment, the first joint 207 is cylindrical, the end of the first joint 207 has a jack 208, the jack 208 is a small hole, and a plurality of jacks are distributed, as shown in fig. 4, so as to be conveniently connected with other components, such as the cable connector 303 of the present invention.
To facilitate connection of the second signal transmission line 206, a second connector 209 is provided on the inner wall of the conductive housing 201, and the second signal transmission line 206 is connected at one end to the second connector 209 and at the other end to the first connector 207 or the transmission bus 211.
To facilitate the connection of the first signal transmission line 205, a hole is opened on the top of the insulating inner housing 202, a third connector 210 is installed in the hole, and the first signal transmission line 205 is connected to the geophone 203 (i.e., a lead on the circuit board in this embodiment) through the third connector 210.
When multiple geological detection sensing devices are connected in series, a transmission bus 211 is provided within the conductive housing 201 as a device internal cable for transmitting signals of adjacent sensing devices. Specifically, a gap 204 is provided between the inner wall of the conductive outer shell 201 and the outer wall of the insulating inner shell 202, a transmission bus 211 is disposed in the gap 204, and both ends of the transmission bus 211 are respectively connected to the inner walls of both ends of the conductive outer shell 201, specifically, to the first connector 207.
In this embodiment, the interface between the wire externally connected to the first connector 207 at the upper and lower sides of the conductive shell 201 and the conductive shell 201 is designed to be waterproof and sealed.
The utility model discloses a geological detection sensing device combines high density electricity method measuring unit and seismic exploration method measuring unit together, need not change the measurement that the device can realize two kinds of methods. The conductive shell of the detection sensor is designed to be used as an electrode, so that the contact surface can be increased, and the measurement precision is improved.
As another specific embodiment of the utility model, this embodiment discloses a geological detection system, as shown in fig. 2, this system includes host computer 1 and a plurality of geological detection sensing unit, and every geological detection sensing unit includes a plurality of geological detection sensing device 2, and a plurality of geological detection sensing device 2 concatenate through cable conductor 3, has placed a set of geological detection sensing unit in every exploration hole 4. The host 1 is provided with a high-density electrical method system and a seismic survey system, and different systems can be started to operate according to needs, so that corresponding data can be acquired. The host 1 also has data acquisition and transmission, power supply and control functions.
Specifically, the cable body is a cable composed of an inner core 301 and an insulating layer 302, wherein the insulating layer 302 is made of nylon. In order to facilitate the quick connection between the geological detection sensing devices 2, a connector 303 is respectively arranged at two ends of the cable 3, and the shape of the connector 303 is designed to be matched with the shape of a signal transmission port on the conductive shell 201. As shown in fig. 5, the joint 303 of this embodiment is cylindrical, and one end of the joint 303 is provided with a groove 304, and the size of the groove 304 is matched with the outer diameter of the first joint. The inner wall of the recess 304 is provided with a thread which is engageable with a thread on the side of the first connector 207. The bottom of the groove 304 is provided with a needle-like projection 305 which can be inserted into the insertion hole 208 of the first connector 207 to realize connection.
The system of the embodiment can realize the combined test of an electrical method and a seismic method; a plurality of detection sensors can be assembled through special cable 3, and convenient and fast can satisfy arranging and measuring of different forms, can satisfy higher detection degree of depth demand, improve the discernment precision to special geological structure.
Adopt the utility model discloses detection system measures ground body resistivity includes following process:
1) selecting the number of reasonable detection sensing devices 2 and the number of cables 3 according to the drilling depth of the measured point, and connecting a plurality of detection sensing devices 2 in series by using the cables 3 to form a detection sensor system with corresponding precision;
2) according to different working conditions, drill holes with different intervals are arranged, the connected electrode sensor system is slowly placed into a detection hole 4 for measurement, the contact between a detection sensing device and the hole wall is noticed, and the detection sensor in the hole is ensured to be in good contact with the surrounding stratum.
3) The tail end of the detection sensing device line is connected into the host 1, and the high-density electrical method and the seismic method can be used for detecting the resistivity of the rock-soil body by switching the electrical method module and the seismic module of the host 1.
In the above description, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be understood broadly, and may be, for example, fixedly connected or detachably connected or integrated; either a direct connection or an indirect connection, and the like. The specific meaning of the above terms in the present technical solution can be understood by those of ordinary skill in the art according to specific situations.
The various features described in the foregoing detailed description can be combined in any suitable manner without departing from the spirit of the invention, and should also be construed as disclosed in the invention.
Claims (9)
1. A geological detection sensing device is characterized by comprising a conductive outer shell (201), an insulating inner shell (202), a geophone (203), a first signal transmission line (205) and a second signal transmission line (206);
the insulating inner shell (202) is arranged in the conductive outer shell (201), the geophone (203) is arranged in the insulating inner shell (202), and a signal transmission port is arranged on the conductive outer shell (201); one end of the first signal transmission line (205) is connected with the geophone (203), and the other end of the first signal transmission line is led out of the insulating inner shell (202) and connected with a signal transmission port; and two ends of the second signal transmission line (206) are respectively connected to the conductive shell (201) and the signal transmission port.
2. The geological detection sensing apparatus as claimed in claim 1, wherein both ends of said conductive housing (201) are provided with connector mounting holes, each connector mounting hole having a first connector (207) connected therein, the first connector (207) forming said signal transmission port; the first connector (207) is cylindrical, an insertion hole (208) is formed in the end face of the first connector (207), and threads are formed in the side face of the first connector (207).
3. The geophysical prospecting sensing device of claim 1, characterized in that a second connector (209) is disposed on the inner wall of the conductive housing (201), and the second signal transmission line (206) is connected to the second connector (209).
4. The geological detection sensing apparatus as claimed in claim 1, wherein said insulating inner casing (202) is provided with a third connector (210), and said first signal transmission line (205) is connected to said geophone (203) through said third connector (210).
5. The geological detection sensing apparatus of claim 1, wherein said geophones (203) are circuit boards integrated with the detection circuit, said circuit boards being fixed to the inner wall of the insulated inner casing.
6. The geological detection sensing device as claimed in claim 1, wherein a gap (204) is formed between the inner wall of the conductive outer shell (201) and the outer wall of the insulating inner shell (202), a transmission bus (211) is arranged in the gap (204), and two ends of the transmission bus (211) are respectively connected to the inner walls of two ends of the conductive outer shell (201).
7. A geological detection system is characterized by comprising a host (1) and a plurality of geological detection sensing units, wherein each geological detection sensing unit comprises a plurality of geological detection sensing devices (2) according to any one of claims 1-6, and the plurality of geological detection sensing devices (2) are connected in series through cables (3); the host (1) is internally provided with a high-density electrical method system and a seismic surveying system.
8. The geological detection system according to claim 7, characterized in that the cable (3) comprises an inner core (301), an insulating layer (302) and joints (303) arranged at both ends, said joints (303) being shaped to match the shape of the signal transmission port.
9. The geological detection system according to claim 8, characterized in that the joint (303) is cylindrical, one end of the joint (303) is provided with a groove (304), the inner wall of the groove (304) is provided with a thread, and the bottom of the groove (304) is provided with a needle-like protrusion (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556090.6U CN214174652U (en) | 2020-11-06 | 2020-11-06 | Geological detection sensing device and detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022556090.6U CN214174652U (en) | 2020-11-06 | 2020-11-06 | Geological detection sensing device and detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214174652U true CN214174652U (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022556090.6U Active CN214174652U (en) | 2020-11-06 | 2020-11-06 | Geological detection sensing device and detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214174652U (en) |
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2020
- 2020-11-06 CN CN202022556090.6U patent/CN214174652U/en active Active
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