A deep sea impact ball probe

Abstract

The present invention discloses a deep-sea impact ball probe, comprising a lifting ring, a data acquisition cabin, a transition ring, a transition cabin, a probe rod and a probe head. The data acquisition cabin, the transition ring and the transition cabin are connected end to end in sequence to form a collection cabin. The lifting ring is fixedly or detachably connected to one end of the collection cabin, and the other end of the collection cabin is fixedly or detachably connected to one end of the probe rod. The lifting ring is used to connect the deep-sea impact ball probe with an external device, so that the external device can release the deep-sea impact ball probe to penetrate the target formation in a self-falling manner. The other end of the probe rod is fixedly or detachably connected to the probe head, and a collection component for collecting data is arranged in the probe head. The present invention can quickly penetrate the probe into the formation by free fall, and can collect relevant data at a high frequency during the penetration of the formation.

Description

Technical Field

[0001] The invention relates to the technical field of audit data acquisition devices, in particular to a deep-sea impact ball-head feeler. Background Art

[0002] In the field of marine engineering exploration, it is often necessary to collect relevant data. For example, it is necessary to collect in-situ mechanical data of highly fluid seabed sediments in deep-sea environments. In order to obtain the target data, corresponding equipment and devices that can penetrate deep into the seabed and corresponding data collection methods are required. Among them, in order to be able to quickly and reliably collect target data of shallow seabed sediments, existing related equipment and devices are often completed by operating vessels. Moreover, these existing related equipment and devices often have complex structural designs, and the structural reliability needs to be improved, and the convenience of maintenance also needs to be improved. In addition, some existing related equipment often cannot or has difficulty in quickly completing multi-point data collection operations. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a deep-sea impact ball probe and a data acquisition method, which can solve the problems described in the background technology.

[0004] The technical solution for achieving the purpose of the present invention is: a deep-sea impact ball penetrator, comprising a lifting ring, a data acquisition cabin, a transition ring, a transition cabin, a probe and a probe, wherein the data acquisition cabin, the transition ring and the transition cabin are connected end to end in sequence to form a collection cabin, the lifting ring is fixedly or detachably connected to one end of the collection cabin, and the other end of the collection cabin is fixedly or detachably connected to one end of the probe.

[0005] The lifting ring is used to connect the deep-sea impact ball penetrator to an external device, so that the external device can be released to allow the deep-sea impact ball penetrator to penetrate into the target formation in a free-falling manner.

[0006] The other end of the probe rod is fixedly or detachably connected to the probe head, and a collection component for collecting data is arranged in the probe head.

[0007] Furthermore, the probe rod is an elongated rod-shaped structure, which is a solid structure or a hollow structure with a through cavity.

[0008] Furthermore, the probe is spherical, and the diameter of the probe rod is smaller than the diameter of the probe.

[0009] Furthermore, it also includes a joint, which is fixedly or detachably connected to an end of the collection cabin away from the probe rod and is located between the lifting ring and the collection cabin, and the lifting ring is fixedly or detachably connected to the joint.

[0010] Furthermore, it also includes a plurality of guide tail wings, each of which is arranged on the joint along the circumference of the joint and is located on the outside of the joint, and each of the guide tail wings is arranged at equal intervals.

[0011] Furthermore, one end of the transition cabin close to the probe rod is a conical structure.

[0012] Furthermore, the acquisition component includes an end resistance sensor, a first pore water pressure sensor and several second pore water pressure sensors, the end resistance sensor is installed at the connection between the probe and the probe rod, the first pore water pressure sensor and the second pore water pressure sensor are both located at the end of the probe away from the probe rod, and the first pore water pressure sensor and the several second pore water pressure sensors are all located below the end resistance sensor, the first pore water pressure sensor is located above each second pore water pressure sensor, each second pore water pressure sensor is installed in the probe at intervals, and along the vertical direction, at least one second pore water pressure sensor is provided on each side of the central axis of the probe.

[0013] Further, the sensitivity of the first pore water pressure sensor is smaller than the sensitivity of the second pore water pressure sensor.

[0014] Furthermore, at least two second pore water pressure sensors are provided, and the pore water pressure sensors are arranged in the probe at intervals.

[0015] Furthermore, an accelerometer is also provided in the data acquisition cabin, and the accelerometer is electrically connected to the second pore water pressure sensor. The accelerometer is used to generate a driving signal when measuring acceleration changes, and the second pore water pressure sensor starts working after receiving the driving signal.

[0016] Beneficial effects of the present invention: The present invention can quickly penetrate the probe into the formation by free fall, and can collect relevant data at a high frequency during the penetration process. In addition, after each penetration into the formation, it only needs to be lifted to a certain height, and does not need to be recovered to the operating ship. The operating ship only needs to go to the next measurement point and then release it again, so that the multi-point measurement operation can be completed quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 for Figure 1 A cross-sectional schematic diagram of the structure of the present invention;

[0019] Figure 3 It is a structural schematic diagram of another example of the present invention;

[0020] Figure 4 for Figure 3A cross-sectional schematic diagram of another exemplary structure of the present invention;

[0021] In the figure, 1-lifting ring, 2-connector, 3-guiding tail, 4-data acquisition cabin, 5-transition ring, 6-transition cabin, 7-probe rod, 8-probe, 9-end resistance sensor, 10-first pore water pressure sensor, 11-second pore water pressure sensor, 12-acoustic processing module, 13-electrical data processing module, 14-fifth short section, 15-electrode ring, 16-acoustic transducer, 17-hydrophone. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:

[0023] like Figure 1-Figure 4 As shown, this embodiment provides a deep-sea impact ball probe, including a lifting ring 1, a data acquisition cabin 4, a transition ring 5, a transition cabin 6, a probe rod 7 and a probe 8. The data acquisition cabin 4, the transition ring 5 and the transition cabin 6 are connected end to end in sequence to form a collection cabin. The lifting ring 1 is fixedly or detachably connected to one end of the collection cabin, and the other end of the collection cabin is fixedly or detachably connected to one end of the probe rod 7. The lifting ring 1 is used to connect the deep-sea impact ball probe to an external device so that the external device can release the deep-sea impact ball probe. For example, the lifting ring 1 is hinged to the release winch on the operating vessel through a steel cable, so that the lifting ring 1 can be controlled by operating the release winch, and then the deep-sea impact ball probe can be controlled.

[0024] The other end of the probe rod 7 is fixedly or detachably connected to the probe head 8 , and a collection component for collecting data is arranged in the probe head 8 .

[0025] The probe rod 7 is an elongated rod-shaped structure, which can be a solid structure or a hollow structure with a through cavity. The probe head 8 is spherical, that is, a round ball structure. The diameter of the probe rod 7 is smaller than the diameter of the probe head 8. The diameter of the probe rod 7 is smaller than the diameter of the probe head 8, which means that the maximum diameter of the probe rod 7 is smaller than the minimum diameter of the probe head 8. Since the probe rod 7 is an elongated rod-shaped structure, the diameter of the probe rod 7 at each position is the same. Similarly, the probe head 8 is spherical, so the diameter of the probe head 8 at each position is also the same. Therefore, in this case, the probe rod 7 and the ball head have a unique diameter. When the diameters of the probe rod 7 at each position are different, the maximum diameter on the probe rod 7 still needs to be smaller than the minimum diameter of the probe head 8.

[0026] Setting the diameter of the probe rod 7 to be smaller than the diameter of the probe head 8 can ensure that the probe rod 7 does not squeeze the stratum where the seabed is located when the probe head 8 penetrates the seabed before the probe rod 7, thereby avoiding affecting the stratum and improving the detection accuracy of the collection component in the probe head 8.

[0027] Exemplarily, it also includes a joint 2, which is fixedly or detachably connected to one end of the collection cabin away from the probe rod 7 and is located between the lifting ring 1 and the collection cabin, and the lifting ring 1 is fixedly or detachably connected to the joint 2.

[0028] Exemplarily, a magnetic switch is also included, which is installed at one end of the joint 2 close to the lifting ring 1. The magnetic switch is connected to the relevant equipment in the data acquisition cabin 4 to control the opening and closing of these relevant equipment, including controllably opening and closing one or more of the relevant equipment.

[0029] Exemplarily, a plurality of guide fins 3 are further included. Each guide fin 3 is disposed on the joint 2 along the circumference of the joint 2 and is located on the outside of the joint 2. Each guide fin 3 is disposed at equal intervals.

[0030] Exemplarily, the connector 2, the data acquisition cabin 4, the transition ring 5, the transition cabin 6, the probe rod 7 and the probe 8 are connected by threaded connection or snap-in connection. All of these components are threaded or snap-in connected, or a part of them are threaded and the rest are snap-in connected, which are not listed here one by one. For example, the connector 2 is threadedly connected to the data acquisition cabin 4, the data acquisition cabin 4 is threadedly connected to the transition ring 5, the transition ring 5 is threadedly connected to the transition cabin 6, the transition cabin 6 is threadedly connected to the probe rod 7, and the probe rod 7 is threadedly connected to the probe 8; or, the connector 2 is threadedly connected to the data acquisition cabin 4, the data acquisition cabin 4 is snap-in connected to the transition ring 5, the transition ring 5 is threadedly connected to the transition cabin 6, the transition cabin 6 is threadedly connected to the probe rod 7, and the probe rod 7 is threadedly connected to the probe 8.

[0031] Exemplarily, the joint 2, data acquisition cabin 4, transition ring 5, and transition cabin 6 are all cylindrical structures, and the end of the transition cabin 6 close to the probe rod 7 is a conical structure, that is, the diameter of the part where the transition cabin 6 is connected to the probe rod 7 gradually decreases. By setting the conical structure, the ability of the entire deep-sea impact ball probe to penetrate the formation is improved, that is, the conical structure is conducive to improving the penetration ability of the deep-sea impact ball probe in the formation.

[0032] Among them, by providing the guide tail 3, it can be ensured that the deep-sea impact ball probe remains vertical during the falling process, so that the deep-sea impact ball probe can penetrate the formation in the vertical direction.

[0033] The data acquisition cabin 4 is provided with a storage module, which is used to store the data collected by the collection component in the probe 8. By setting the data acquisition cabin 4, the transition ring 5 and the transition cabin 6 as independent cabin sections, it is convenient to disassemble and maintain, and each cabin section of the independent structure can be better sealed and impact-resistant.

[0034] Exemplarily, the acquisition component includes an end resistance sensor 9, a first pore water pressure sensor 10 and a plurality of second pore water pressure sensors 11, the end resistance sensor 9 is installed at the connection joint between the probe 8 and the probe rod 7, the first pore water pressure sensor 10 and the second pore water pressure sensor 11 are both located at the end of the probe 8 away from the probe rod 7, and the first pore water pressure sensor 10 and the plurality of second pore water pressure sensors 11 are both located below the end resistance sensor 9, that is, the end resistance sensor 9 is located above the first pore water pressure sensor 10 and the plurality of second pore water pressure sensors 11.

[0035] The first pore water pressure sensor 10 is located above each second pore water pressure sensor 11, that is, all the second pore water pressure sensors 11 are located below the first pore water pressure sensor 10, and each second pore water pressure sensor 11 is installed in the probe 8 at intervals, and along the vertical direction, at least one second pore water pressure sensor 11 is arranged on both sides of the central axis of the probe 8, so that data in all directions of the probe 8 can be measured.

[0036] Exemplarily, the probe 8 is equally divided into two halves in the horizontal direction, namely an upper semicircle and a lower semicircle. The second pore water pressure sensor 11 is located in the lower half of the probe 8, that is, in the lower semicircle of the probe 8. The first pore water pressure sensor 10 is located in the upper half of the probe 8, that is, in the upper semicircle of the probe 8.

[0037] Among them, the sensitivity of the first pore water pressure sensor 10 is less than that of the second pore water pressure sensor 11. The first pore water pressure sensor 10 can be a low-sensitivity pore water pressure sensor, and the second pore water pressure sensor 11 can be a high-sensitivity pore water pressure sensor. By setting two types of pore water pressure sensors with different sensitivities, the second pore water pressure sensor 11 starts to work synchronously from the moment the deep-sea impact ball head probe is released and falls, and can collect pressure changes, while the first pore water pressure sensor 10 needs to enter the seawater and feel the water pressure before starting to work.

[0038] In addition, the second pore water pressure sensor 11 is arranged in the lower semicircle of the probe 8, and the first pore water pressure sensor 10 is arranged in the upper semicircle of the probe 8. This can ensure that when the probe 8 penetrates into a fluid-like formation, the probe 8 will displace the soil of the formation, so that the second pore water pressure sensor 11 can sense the change in pore water pressure in the soil, while the first pore water pressure sensor 10 cannot sense the change in pore water pressure in the soil, thereby avoiding the first pore water pressure sensor 10 also sensing the interference caused by the pore water pressure. The first pore water pressure sensor 10 can always sense the change in seawater pressure during the release and falling process, thereby converting the seawater pressure into seawater depth, thereby measuring the seawater depth.

[0039] Exemplarily, at least two second pore water pressure sensors 11 are provided, and preferably five second pore water pressure sensors 11 are provided, and each pore water pressure sensor is arranged in a spaced manner in the probe 8, so that a matrix can be formed to collect data. Such a distribution arrangement is particularly important when the deep-sea impact ball head probe does not penetrate the formation completely vertically but penetrates at a certain inclination angle. When penetrating at a certain inclination angle, the five second pore water pressure sensors 11 can measure the pressure at different positions from different angles, so that relevant operations can be performed on the pressure measured by the five second pore water pressure sensors 11, including mutual comparison of data along, so as to eliminate the error caused by the poor pressure transmission due to the inclination of the probe 8 and the impurities in the soil, thereby obtaining the pore water pressure in the soil, and expanding from point measurement to hemispherical measurement.

[0040] The second pore water pressure sensor 11 can be a differential pressure sensor. The inner and outer pressures of the second pore water pressure sensor 11 are connected, and the inner and outer pressures are balanced, so the sensor can work at any water depth. When the inner and outer pressures are unbalanced, the pressure change is collected. The second pore water pressure sensor 11 can start working synchronously when the deep-sea impact ball probe starts to release and fall.

[0041] Exemplarily, an accelerometer is also provided in the data acquisition cabin 4, and the accelerometer is electrically connected to the second pore water pressure sensor 11. The accelerometer is used to generate a driving signal when measuring the acceleration change. The second pore water pressure sensor 11 starts working upon receiving the driving signal, thereby ensuring that the second pore water pressure sensor 11 can start working synchronously when the deep-sea impact ball head probe starts to be released and fall.

[0042] The end resistance sensor 9 is located at the connection between the probe 8 and the probe rod 7, and is used to measure the end resistance of the probe rod 7 during the penetration of the deep-sea impact ball probe into the formation. The first pore water pressure sensor 10 is used to measure the water depth of the deep-sea impact ball probe, so that the influence of the measured water depth on the mechanical data can be determined. The second pore water pressure sensor 11 is used to measure the pore water pressure of the deep-sea impact ball probe during the penetration process.

[0043] Exemplarily, the size of the middle part of the transition chamber 6 is larger than the size of the two ends, and two acoustic transducers 16 are arranged in the middle part of the transition chamber 6. Two acoustic transducers 16 are symmetrically arranged along the axial direction on both sides of the transition chamber 6, so that the two acoustic transducers 16 can emit sound waves in the direction of the probe 8 along the axial direction.

[0044] Exemplarily, the probe rod 7 includes a first short section, a second short section, a third short section, a fourth short section and a fifth short section 14 connected in sequence along the direction from the transition chamber 6 to the probe 8, the first short section is also connected to the transition chamber 6, and the fifth short section 14 is also connected to the probe 8. A hydrophone 17 acoustic processing module 12 is installed in the first short section, an electrode ring 15 is installed in the second short section, an electrical data processing module 13 is installed in the third short section, and an acoustic processing module 12 is installed in the fourth short section. By setting up two acoustic processing modules 12, the soil can be measured successively by the acoustic processing modules 12 at the upper and lower positions, so that the stratification of the soil can be better judged to solve the problem that the slight stress residue of the mechanical sensor under high-speed impact leads to unclear judgment of subtle changes. By setting up the electrode ring 15, the resistivity parameters of the soil can be calculated by the resistivity test method to obtain information on the physical and chemical composition of the soil.

[0045] In actual use, first, the deep-sea impact ball probe is delivered to the operating point by the operating ship, and then, the deep-sea impact ball probe is connected to the lifting ring 1 by the winch on the operating ship, and the deep-sea impact ball probe is lowered to the target height from the seabed (for example, 10 meters), and then the deep-sea impact ball probe is released. During the falling process of the deep-sea impact ball probe, the acquisition component of the probe 8 starts to collect data. When the deep-sea impact ball probe stops penetrating and completely stops in the formation, the second pore water pressure sensor 11 continuously collects the pore water pressure change value in the formation until the soil pressure returns to balance and stops data collection. Next, the deep-sea impact ball probe is pulled up to a certain height and delivered to the next operating point, and then the same operation process is repeated until the data collection of all operating points is completed, and then the deep-sea impact ball probe is recovered to the operating ship.

[0046] The present invention can quickly penetrate the probe 8 into the formation by free fall, and can collect relevant data at a high frequency during the penetration process. In addition, after each penetration into the formation, it only needs to be lifted to a certain height, and does not need to be recovered to the operating vessel. The operating vessel only needs to go to the next measurement point and then release it again, so that the multi-point measurement operation can be completed quickly.

[0047] The embodiment disclosed in this specification is only an example of a unilateral feature of the present invention, and the protection scope of the present invention is not limited to this embodiment, and any other functionally equivalent embodiments fall within the protection scope of the present invention. For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and concepts described above, and all of these changes and deformations should fall within the protection scope of the claims of the present invention.

Claims

1. A deep-sea impact ball penetrator, characterized in that: The device comprises a lifting ring, a data acquisition cabin, a transition ring, a transition cabin, a probe and a probe. The data acquisition cabin, the transition ring and the transition cabin are connected end to end in sequence to form a collection cabin. The lifting ring is fixedly or detachably connected to one end of the collection cabin, and the other end of the collection cabin is fixedly or detachably connected to one end of the probe. The lifting ring is used to connect the deep-sea impact ball penetrator to an external device, so that the external device can be released to allow the deep-sea impact ball penetrator to penetrate into the target formation in a free-falling manner. The other end of the probe rod is fixedly or detachably connected to the probe head, and a collection component for collecting data is arranged in the probe head.

2. The deep-sea impact ball penetrator according to claim 1, characterized in that: The probe rod is a long rod-shaped structure, which is a solid structure or a hollow structure with a through cavity.

3. The deep sea impact ball penetrator according to claim 1, characterized in that: The probe is spherical, and the diameter of the probe rod is smaller than the diameter of the probe.

4. The deep sea impact ball penetrator according to claim 1, characterized in that: It also includes a joint, which is fixedly or detachably connected to one end of the collection cabin away from the probe rod and is located between the lifting ring and the collection cabin, and the lifting ring is fixedly or detachably connected to the joint.

5. The deep sea impact ball penetrator according to claim 1, characterized in that: It also includes a plurality of guide tail wings, each of which is arranged on the joint along the circumference of the joint and is located on the outside of the joint. The guide tail wings are arranged at equal intervals.

6. The deep sea impact ball penetrator according to claim 1, characterized in that: The end of the transition chamber close to the probe rod is a conical structure.

7. The deep sea impact ball penetrator according to claim 1, characterized in that: The acquisition component includes an end resistance sensor, a first pore water pressure sensor and a plurality of second pore water pressure sensors. The end resistance sensor is installed at the connection between the probe and the probe rod. The first pore water pressure sensor and the second pore water pressure sensor are both located at the end of the probe away from the probe rod, and the first pore water pressure sensor and the plurality of second pore water pressure sensors are both located below the end resistance sensor. The first pore water pressure sensor is located above each second pore water pressure sensor. Each second pore water pressure sensor is installed in the probe at intervals, and along the vertical direction, at least one second pore water pressure sensor is provided on each side of the central axis of the probe.

8. The deep sea impact ball probe according to claim 7, characterized in that: The sensitivity of the first pore water pressure sensor is less than the sensitivity of the second pore water pressure sensor.

9. The deep-sea impact ball probe according to claim 7 or 8, characterized in that: At least two second pore water pressure sensors are provided, and each pore water pressure sensor is arranged in the probe at intervals.

10. The deep sea impact ball penetrator according to claim 7, characterized in that: An accelerometer is also provided in the data acquisition cabin. The accelerometer is electrically connected to the second pore water pressure sensor. The accelerometer is used to generate a driving signal when measuring acceleration changes. The second pore water pressure sensor starts working after receiving the driving signal.

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