Novel integrated three-channel intelligent data acquisition unit applied to seismic exploration

Abstract

The utility model belongs to the technical field of data acquisition, and particularly discloses a novel integrated three-channel intelligent data acquisition unit applied to seismic exploration, which comprises a shell structure. A battery core assembly, a core body assembly and a PCB assembly are arranged in the shell structure, the core body assembly is located in the battery core assembly, and the PCB assembly in the shell structure is located above the battery core assembly; the battery cell assembly is composed of a plurality of cylindrical battery cell modules, and the plurality of battery cell modules are symmetrically distributed on the inner edge of the shell structure; the core body assembly comprises a 2Hz bracket; the 2Hz support is located in the shell structure, three placement holes are formed in the 2Hz support, 2Hz core bodies are arranged in the three placement holes, and the three 2Hz core bodies are distributed in the X direction, the Y direction and the Z direction respectively; according to the utility model, a traditional low-frequency 2Hz split type or separated type structure is improved into an integrated structure, so that the sealing performance of equipment can be improved, the number of equipment parts is reduced, the assembly is more convenient, and the manufacturing process cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of data acquisition, in particular to a novel integrated three-channel intelligent data acquisition unit applied to seismic exploration. Background Art

[0002] The intelligent data acquisition unit is a device used to record sensor data. It is mainly composed of sensors, data acquisition modules, storage modules, data transmission modules and power modules. The sensor is used to detect seismic waveform signals, the data acquisition module is used to digitize the signals collected by the sensor, and the storage module is used to store the collected data. It can be applied to active source seismic exploration, long-term natural micro-seismic observation, transient surface wave exploration, and field mobile station natural earthquake monitoring. However, there are still multiple limitations on the low-frequency seismic data acquisition units on the market, and there are the following disadvantages:

[0003] a. Low-frequency seismic acquisition units are small devices with limited battery pack capacity. Seismic acquisition units usually need to work continuously for a long time or in a short time flexibly. Often the battery cannot meet the working requirements of the equipment and needs external power supply or replacement of the battery pack.

[0004] b. During the seismic data collection process, we need to regularly or irregularly inspect the equipment status so that abnormalities can be found and promptly checked. Real-time QC is not available in most current equipment, or even if it is available, the usage scenarios are limited.

[0005] c. Traditional 2Hz low frequency moving coil detector acquisition systems are either integrated, but with low reliability and limited durability, or split or separate. Utility Model Content

[0006] The purpose of the utility model is to provide a novel integrated three-channel intelligent data acquisition unit for seismic exploration to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel integrated three-channel intelligent data acquisition unit for seismic exploration, comprising a shell structure; a battery cell assembly, a core assembly and a PCB assembly are arranged inside the shell structure, the core assembly is located inside the battery cell assembly, and the PCB assembly inside the shell structure is located above the battery cell assembly;

[0008] The battery cell assembly is composed of a plurality of cylindrical battery cell modules, and the plurality of battery cell modules are symmetrically distributed on the inner edge of the shell structure;

[0009] The core assembly includes a 2Hz bracket; the 2Hz bracket is located inside the shell structure, three placement holes are opened inside the 2Hz bracket, 2Hz cores are arranged inside the three placement holes, the three 2Hz cores are respectively distributed in the X direction, the Y direction and the Z direction, the first shielding cover and the second shielding cover are respectively arranged at the positions of the 2Hz cores distributed in the X direction and the Y direction on the side of the 2Hz bracket, a core pressure bracket is arranged at the position of the 2Hz core corresponding to the surface of the 2Hz bracket, and a battery pack pressure relief valve sealing ring is installed on the bottom of the 2Hz bracket.

[0010] Preferably, the PCB assembly includes a PCB board; the PCB board is arranged inside the shell structure, a flexible circuit board is arranged on the bottom surface of the PCB board, and a 5PIN waterproof pad and a 10PIN waterproof pad are respectively arranged on both sides of the bottom surface of the PCB board on the flexible circuit board, and the 5PIN waterproof pad and the 10PIN waterproof pad are respectively fixed to the bottom surface of the PCB board by a 5PIN pressing plate and a 10PIN pressing plate.

[0011] Preferably, the surface of the PCB board is provided with an LED light, a charging port and a download test port.

[0012] Preferably, the surface of the PCB board is provided with a Bluetooth module, an acceleration sensor, a temperature sensor, an electronic compass sensor, a GPS module, an LED light control module, a TF card, and a drive circuit and a control circuit for controlling communication with the sensor.

[0013] Preferably, the shell structure includes a main body upper cover and a main body lower barrel; the main body lower barrel and the main body upper cover are sealed by a positive pressure sealing ring and a side pressure sealing ring, and a plurality of mounting bolts are distributed in a ring shape on the surface of the main body upper cover, and the bottom ends of the mounting bolts are screwed into the interior of the main body lower barrel.

[0014] Preferably, a light guide column, a 5PIN charging slot and a 5PIN download test slot are respectively provided on the surface of the upper cover of the main body at the positions corresponding to the LED light, charging port and download test port of the PCB assembly. The charging port and download test port are respectively connected to the 5PIN charging slot and the 5PIN download test slot through FRPC, a plastic round bubble is provided on the surface of the light guide column, a dust cap is threadedly connected to the surface of the 5PIN charging slot, and a cover sealing gasket is connected to the surface of the 5PIN download test slot.

[0015] Preferably, a thin tail rod is connected to the bottom surface of the main body lower barrel, and a plurality of leveling bolts are evenly distributed on the bottom of the main body lower barrel.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model has an integrated structure, which improves the traditional 2Hz low-frequency moving coil detector data acquisition split or separated structure. The special internal structure design improves the sealing and reliability of the equipment, reduces the number of equipment parts, makes assembly more convenient, reduces the manufacturing process cost, and greatly improves product quality and reliability.

[0018] 2. The utility model supports external power supply and Bluetooth quality control, Bluetooth communication QC acquisition node acquisition parameters, firmware version, working voltage, working temperature, storage information, GPS location, GPS signal-to-noise ratio, detector DC resistance and other working conditions, and has a built-in battery to support 40 days of continuous acquisition, and an external interface for external power supply. Through precise algorithms and special power supply management, it supports longer battery life. It greatly facilitates the needs of different time selections for seismic data acquisition.

[0019] 3. The utility model collects data through multiple channels simultaneously. Based on the highly recognized DT-SOLO high-sensitivity 2Hz detector, the low frequency can be as low as 15s, which expands the low-frequency frequency domain range of the collection, improves the accuracy of data collection, and meets the needs of low-frequency seismic data collection. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 An overall exploded view of a novel integrated three-channel intelligent data acquisition unit for seismic exploration provided by the utility model;

[0021] Figure 2 The utility model provides an overall cross-sectional view of a novel integrated three-channel intelligent data acquisition unit for seismic exploration.

[0022] In the figure: 1. Dust cap; 2. Cover sealing gasket; 3. Plastic round bubble; 4. Mounting bolts; 5. Main body upper cover; 6. Side pressure sealing ring; 7. PCB board; 8. Flexible circuit board; 9. 10PIN waterproof pad; 10. 5PIN waterproof pad; 11. 10PIN pressure plate; 12. 5PIN pressure plate; 13. Pressure core bracket; 14. 2Hz bracket; 15. First shielding cover; 16. 2Hz core; 17. Battery module; 18. Second shielding cover; 19. Battery pack pressure relief valve sealing ring; 20. Positive pressure sealing ring; 21. Main body lower barrel; 22. Leveling bolts; 23. Thin tail rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-Figure 2 The utility model provides a technical solution: a new integrated three-channel intelligent data acquisition unit for seismic exploration, wherein a battery cell assembly, a core assembly and a PCB assembly are arranged inside the shell structure, the core assembly is located inside the battery cell assembly, and the PCB assembly inside the shell structure is located above the battery cell assembly;

[0027] The battery cell assembly is composed of a plurality of cylindrical battery cell modules 17, and the plurality of battery cell modules 17 are symmetrically distributed on the inner edge of the shell structure;

[0028] The core assembly includes a 2Hz bracket 14; the 2Hz bracket 14 is located at the bottom end of the shell structure, three placement holes are opened inside the 2Hz bracket 14, and 2Hz cores 16 are arranged inside the three placement holes, and the three 2Hz cores 16 are respectively distributed in the X direction, the Y direction and the Z direction. The side of the 2Hz bracket 14 is respectively provided with a first shielding cover 15 and a second shielding cover 18 at the positions of the 2Hz cores 16 distributed in the X direction and the Y direction, and the surface of the 2Hz bracket 14 is provided with a core pressure bracket 13 at the position of the 2Hz core 16. Through the cooperation of the first shielding cover 15, the second shielding cover 18 and the core pressure bracket 13, the 2Hz core 16 is separated from the PCB assembly and the battery cell assembly, thereby reducing signal interference;

[0029] The battery modules 17 are symmetrically arranged on both sides of the 2Hz bracket 14 inside the shell structure, and a battery pack pressure relief valve sealing ring 19 is installed on the bottom surface of the 2Hz bracket 14;

[0030] The PCB assembly includes a PCB board 7; the PCB board 7 is arranged inside the housing structure and located above the 2Hz bracket 14, a flexible circuit board 8 is fixedly installed on the bottom surface of the PCB board 7, and a 5PIN waterproof pad 10 and a 10PIN waterproof pad 9 are respectively installed on both sides of the bottom surface of the PCB board 7 on the flexible circuit board 8, and the 5PIN waterproof pad 10 and the 10PIN waterproof pad 9 are respectively fixed to the bottom surface of the PCB board 7 by a 5PIN pressing plate 12 and a 10PIN pressing plate 11;

[0031] The surface of the PCB board 7 is provided with an LED light, a charging port and a download test port;

[0032] The surface of the PCB board 7 is provided with a Bluetooth module, an acceleration sensor, a temperature sensor, an electronic compass sensor, a GPS module, an LED light control module, a TF card, and a drive circuit and a control circuit for controlling communication with the sensor, and the device is controlled to collect data and record data through a firmware (embedded software) program;

[0033] The housing structure includes a main body upper cover 5 and a main body lower barrel 21; the main body lower barrel 21 and the main body upper cover 5 are sealed by a positive pressure sealing ring 20 and a side pressure sealing ring 6, and a plurality of mounting bolts 4 are distributed in an annular shape on the surface of the main body upper cover 5, and the bottom ends of the mounting bolts 4 are screwed into the interior of the main body lower barrel 21;

[0034] The surface of the main body upper cover 5 is respectively provided with a light guide column, a 5PIN charging slot and a 5PIN download test slot at the positions of the LED light, the charging port and the download test port on the surface of the PCB board 7. The charging port and the download test port are respectively connected to the 5PIN charging slot and the 5PIN download test slot through FRPC, so as to realize the functions of external power supply, data download and equipment testing. The surface of the main body upper cover 5 is provided with a plastic round bubble 3, through which the horizontal degree of the equipment can be checked, and the state of the LED light on the surface of the PCB board 7 can be checked through the light guide column, so as to perform equipment status quality control. The surface of the 5PIN charging slot is threadedly connected with a dust cap 1, and the surface of the 5PIN download test slot is connected with a cover sealing gasket 2;

[0035] A thin tail rod 23 is fixedly connected to the center of the bottom surface of the main body lower barrel 21 , and a plurality of leveling bolts 22 are evenly distributed on the bottom of the main body lower barrel 21 .

[0036] like Figure 1-Figure 2 As shown, the utility model is a novel integrated three-channel intelligent data acquisition unit for seismic exploration. The analog signal of the detector of the intelligent data acquisition unit is preloaded at a low frequency, and then converted into a digital signal by a high-precision ADC, and then stored in a TF card after being processed by a PCB board 7, and the data is downloaded to a local system at a later stage;

[0037] The operating voltage of the intelligent data acquisition unit is 7-15V, the average operating current is about 0.5mA, the voltage measurement range is -5V to +5V, and the voltage measurement accuracy is ±10uV.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new integrated three-channel intelligent data acquisition unit for seismic exploration, characterized by: It comprises a shell structure; a battery cell assembly, a core assembly and a PCB assembly are arranged inside the shell structure, the core assembly is located inside the battery cell assembly, and the PCB assembly inside the shell structure is located above the battery cell assembly; The battery cell assembly is composed of a plurality of cylindrical battery cell modules (17), and the plurality of battery cell modules (17) are symmetrically distributed on the inner edge of the shell structure; The core assembly comprises a 2Hz bracket (14); the 2Hz bracket (14) is located inside the shell structure, three placement holes are opened inside the 2Hz bracket (14), and a 2Hz core (16) is arranged inside the three placement holes, and the three 2Hz cores (16) are respectively distributed in the X direction, the Y direction and the Z direction; the side of the 2Hz bracket (14) is respectively provided with a first shielding cover (15) and a second shielding cover (18) at the positions of the 2Hz cores (16) distributed in the X direction and the Y direction; the surface of the 2Hz bracket (14) is provided with a pressure core bracket (13) at the position of the 2Hz core (16); and the bottom surface of the 2Hz bracket (14) is installed with a battery pack pressure relief valve sealing ring (19).

2. The novel integrated three-channel intelligent data acquisition unit for seismic exploration according to claim 1, characterized in that: The PCB assembly comprises a PCB board (7); the PCB board (7) is arranged inside the housing structure; a flexible circuit board (8) is arranged on the bottom surface of the PCB board (7); a 5PIN waterproof pad (10) and a 10PIN waterproof pad (9) are arranged on both sides of the bottom surface of the PCB board (7); the 5PIN waterproof pad (10) and the 10PIN waterproof pad (9) are fixed to the bottom surface of the PCB board (7) via a 5PIN pressing plate (12) and a 10PIN pressing plate (11), respectively.

3. The novel integrated three-channel intelligent data acquisition unit for seismic exploration according to claim 2, characterized in that: The surface of the PCB board (7) is provided with an LED light, a charging port and a download test port.

4. The novel integrated three-channel intelligent data acquisition unit for seismic exploration according to claim 2, characterized in that: The surface of the PCB board (7) is provided with a Bluetooth module, an acceleration sensor, a temperature sensor, an electronic compass sensor, a GPS module, an LED light control module, a TF card, and a drive circuit and a control circuit for controlling communication with the sensor.

5. The novel integrated three-channel intelligent data acquisition unit for seismic exploration according to claim 1, characterized in that: The shell structure comprises a main body upper cover (5) and a main body lower barrel (21); the main body lower barrel (21) and the main body upper cover (5) are sealed by a positive pressure sealing ring (20) and a side pressure sealing ring (6); a plurality of mounting bolts (4) are distributed in an annular shape on the surface of the main body upper cover (5); the bottom ends of the mounting bolts (4) are screwed into the interior of the main body lower barrel (21).

6. The novel integrated three-channel intelligent data acquisition unit for seismic exploration according to claim 5, characterized in that: The surface of the main body upper cover (5) is provided with a light guide column, a 5PIN charging slot and a 5PIN download test slot at positions corresponding to the LED light, the charging port and the download test port of the PCB component, respectively. The charging port and the download test port are respectively connected to the 5PIN charging slot and the 5PIN download test slot through FRPC, a plastic round bubble (3) is provided on the surface of the light guide column, a dust cap (1) is threadedly connected to the surface of the 5PIN charging slot, and a cover sealing gasket (2) is connected to the surface of the 5PIN download test slot.

7. The novel integrated three-channel intelligent data acquisition unit for seismic exploration according to claim 5, characterized in that: The bottom surface of the main body lower barrel (21) is connected with a thin tail rod (23), and a plurality of leveling bolts (22) are evenly distributed on the bottom of the main body lower barrel (21).

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