CN114578435B - Pressure-bearing bin, seabed electromagnetic acquisition station and acquisition system - Google Patents
Pressure-bearing bin, seabed electromagnetic acquisition station and acquisition system Download PDFInfo
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- CN114578435B CN114578435B CN202210204299.7A CN202210204299A CN114578435B CN 114578435 B CN114578435 B CN 114578435B CN 202210204299 A CN202210204299 A CN 202210204299A CN 114578435 B CN114578435 B CN 114578435B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
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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
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a pressure-bearing bin, a seabed electromagnetic acquisition station and an acquisition system, wherein the pressure-bearing bin comprises: a housing; the connector comprises a first end cover and a second end cover, wherein a plurality of connectors are arranged on the first end cover and the second end cover; the mounting bracket includes: the first mounting plate is connected with the first end cover; the second mounting plate is connected with the second end cover; the two opposite ends of the web are respectively fixed on the first mounting plate and the second mounting plate, and the web is used for mounting an internal circuit, so that the circuit board and the power supply can be connected with external equipment through the connector. The pressure-bearing bin is internally used for loading batteries and improving the cruising ability of the acquisition station by utilizing the space in the pressure-bearing bin to the maximum extent on the premise of meeting the space requirement of a circuit board of a data acquisition unit. The circuit board and the power supply are arranged on the web plate, can be smoothly placed into the shell in the installation process, do not have excessive friction with the inner wall of the shell, are convenient to install and also improve the reliability.
Description
Technical Field
The invention belongs to the technical field of detection, and particularly relates to a pressure-bearing bin, a seabed electromagnetic acquisition station and an acquisition system.
Background
Electrical prospecting is one of the effective means for mineral resource prospecting, has various types and strong adaptability, and is widely applied to the fields of deep structure detection, mineral resource prospecting, hydrological and engineering prospecting and the like.
The marine electromagnetic method detects the submarine geological structure by measuring the distribution rule of a submarine electromagnetic field which is artificially emitted or naturally excited at sea or on the seabed, and can identify high-resistance oil and gas reservoirs, thereby achieving the purpose of directly detecting oil and gas and becoming an essential method in the marine oil and gas exploration technology.
The submarine magnetotelluric instrument works on the seabed, the pressure generated by the water depth (which can be obtained by a pressure calculation formula, the water depth of 10 meters is about 0.01 MPa) is faced to the seabed, the working depth of the submarine magnetotelluric instrument is usually thousands of meters and faces the pressure of dozens of megapascals, in order to protect a data acquisition unit (hereinafter, referred to as an electronic unit) and a battery (hereinafter, referred to as a power supply) of the submarine magnetotelluric instrument, the electronic unit and the power supply need to be sealed in a waterproof and pressure-proof protection bin (hereinafter, referred to as a pressure-bearing bin), and the electronic element and the power supply are input and output outside the watertight connector and the pressure-bearing bin.
One scheme of a pressure-bearing bin of the existing submarine electromagnetic acquisition station is that a battery in the pressure-bearing bin is arranged independently of a circuit board, the battery is fixed with the wall of a shell tube of the pressure-bearing bin by virtue of wound foam and friction force, the battery in the scheme needs to overcome large resistance in the installation process, and the reliability after installation cannot be guaranteed; another solution is that the battery is on the bottom, the circuit is on the top and the internal space is not used effectively.
Disclosure of Invention
Objects of the invention
The invention aims to provide a pressure-bearing bin, a seabed electromagnetic acquisition station and an acquisition system so as to solve the problems of low space utilization rate and inconvenient installation of the pressure-bearing bin in the prior art.
(II) technical scheme
To solve the above problems, a first aspect of the present invention provides a pressure-bearing bin, including: the shell is of a cylindrical structure; a first end cap disposed at one end of the housing; the first end cover is provided with a plurality of connectors, and the connectors are used for connecting the internal circuit of the shell with external equipment; a second end cap disposed at the other end of the housing; the second end cover is provided with a plurality of connectors, and the connectors are used for connecting the internal circuit of the shell with external equipment; a mount disposed within the housing; wherein, the mounting bracket includes: a first mounting plate connected with the first end cap; a second mounting plate coupled to the second end cap; the web, the both ends that the web is relative are fixed respectively first mounting panel with on the second mounting panel, the web is used for installing internal circuit, makes the circuit board with the power can pass through the connector is connected with external equipment.
Further, one end of the web plate, which is close to the first mounting plate, is used for fixing a power supply; the web is close to the one end of second mounting panel is used for fixed analog signal enlargies board and digital signal board.
Further, the web has first and second opposed faces; the analog signal amplification board is arranged on the first surface; the digital signal board is installed on the second surface.
Further, a plurality of the connectors are arranged in a preset order.
Further, the part of the web plate connected with the first mounting plate divides the first mounting plate into two parts with equal areas; the part of the web plate connected with the second mounting plate divides the second mounting plate into two parts with equal areas.
Further, install the limiting plate on the web for spacing the power.
Further, the connector provided on the first end cap includes: a magnetic field input connector, a controller connector and a charging connector.
Further, the connector provided on the second end cap includes: the electrode is input into the connector.
According to another aspect of the invention, a submarine electromagnetic acquisition station is provided, comprising a pressure-bearing tank according to any one of the above technical solutions.
According to a further aspect of the present invention there is provided a subsea electromagnetic acquisition system comprising a subsea electromagnetic acquisition station as described in any of the above claims.
(III) advantageous effects
The technical scheme of the invention has the following beneficial technical effects:
the pressure-bearing bin is internally used for loading batteries and improving the cruising ability of the acquisition station by utilizing the space in the pressure-bearing bin to the maximum extent on the premise of meeting the space requirement of a circuit board of a data acquisition unit. The circuit board and the power supply are installed on the web plate, the circuit board and the power supply can be smoothly placed into the shell in the installation process, excessive friction is avoided between the circuit board and the inner wall of the shell, installation is facilitated, and reliability of the circuit board and the power supply in the pressure bearing bin after installation is also improved.
Drawings
Figure 1 is a schematic diagram of a subsea electromagnetic acquisition station using marine magnetotelluric methods in the prior art.
Fig. 2 is a schematic structural diagram of a pressurized cabin according to an embodiment of the invention.
Fig. 3 is a schematic structural view of the inside of the pressurized cabin according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the inside of a pressurized cabin according to another embodiment of the invention.
Fig. 5 is a schematic structural view of the inside of a pressurized cabin according to still another embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a mounting bracket according to an embodiment of the invention.
FIG. 7 is a schematic view of a first endcap, according to an embodiment of the present invention.
FIG. 8 is a schematic view of a second endcap, according to an embodiment of the present invention.
Fig. 9 is a schematic diagram of a power supply according to an embodiment of the invention.
Fig. 10 is a schematic diagram of a power supply according to another embodiment of the invention.
Fig. 11 is a schematic structural diagram of a subsea electromagnetic acquisition station according to an embodiment of the present invention.
Fig. 12 is a schematic diagram of an analog signal amplification board according to an embodiment of the invention.
Fig. 13 is a schematic view of a connection point of a first connection terminal according to an embodiment of the present invention.
Fig. 14 is a schematic view of a connection point of a digital signal board according to an embodiment of the present invention.
Figure 15 is a state diagram of a pressurized cabin according to an embodiment of the invention in use.
Reference numerals:
100: a pressure-bearing bin; 110: a housing; 120: a first end cap; 121: a connector; 122: a controller connector; 123: an Hx magnetic field input connector; 124: a charging connector; 125: a Hy magnetic field input connector; 130: a second end cap; 131: a first electrode input connector; 132: a second electrode input connector; 133: a third electrode input connector; 134: a fourth electrode input connector; 135: a fifth electrode input connector; 136: a sixth electrode input connector; 140: a mounting frame; 141: a first mounting plate; 142: a second mounting plate; 143: a web; 144: a limiting plate; 145: a first side; 146: a second face; 150: an analog signal amplification board; 151: a first connection terminal; 152: a second connection terminal; 160: a digital signal board; 170: a power source;
200: a control terminal;
300: a transit time service module;
400: a subsea electromagnetic acquisition station.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the drawings a schematic view of a layer structure according to an embodiment of the invention is shown. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity. The shapes of various regions, layers, and relative sizes and positional relationships therebetween shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, as actually required.
It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by like reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
Figure 1 is a schematic diagram of a subsea electromagnetic acquisition station using marine magnetotelluric methods in the prior art.
As shown in fig. 1, an electromagnetic data recorder mounted on a submarine electromagnetic acquisition station or a towed electric field acquisition station is one of the key devices for marine electromagnetic exploration, and is responsible for acquiring and recording submarine weak electric field and magnetic field signals, the marine magnetotelluric method uses a natural electromagnetic field as a field source, and the electromagnetic data recorder needs to measure 5 components of electromagnetic field signals, 3 mutually perpendicular electric field components Ex, ey, ez, and 2 mutually perpendicular magnetic field components Hx and Hy. Wherein, ex is two electric fields in the horizontal north-south direction (two electrodes form a measuring channel in a pair), ey is two electrodes in the horizontal east-west direction, ez is two electrodes in the vertical direction, hx is the magnetic field component of the tail end of the horizontal magnetic rod pointing to the north, and Hy is the magnetic field component of the tail end of the horizontal magnetic rod pointing to the east.
Fig. 2 is a schematic structural diagram of a pressurized cabin according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of the interior of the pressure-bearing bin according to an embodiment of the invention.
Fig. 4 is a schematic structural view of the inside of a pressure-bearing bin according to another embodiment of the invention.
Fig. 5 is a schematic structural view of the inside of a pressurized cabin according to still another embodiment of the present invention.
As shown in fig. 2, 3, 4 and 5, in an embodiment of the present invention, there is provided a pressurized cabin, which may include: the shell 110, the shell 110 is a cylindrical structure; a first end cap 120 disposed at one end of the housing 110; a plurality of connectors 121 are arranged on the first end cover 120, and the connectors 121 are used for connecting the internal circuit of the housing 110 with external equipment; a second end cap 130 disposed at the other end of the housing 110; the second end cap 130 is provided with a plurality of connectors 121, and the connectors 121 are used for connecting the internal circuit of the housing 110 with external equipment; a mounting bracket 140, the mounting bracket 140 being disposed within the housing 110; wherein the mounting frame 140 may include: a first mounting plate 141, the first mounting plate 141 being connected to the first end cap 120; a second mounting plate 142, the second mounting plate 142 being coupled to the second end cap 130; and the two opposite ends of the web 143 are respectively fixed on the first mounting plate 141 and the second mounting plate 142, and the web 143 is used for mounting an internal circuit, so that the circuit board and the power supply 170 can be connected with external equipment through the connector 121.
The interior of the pressure-bearing bin 100 of the invention meets the space requirement of a data acquisition unit circuit board, and the space in the pressure-bearing bin 100 is utilized to the maximum extent for installing the battery power supply 170, thereby improving the cruising ability of the acquisition station. The circuit board and the power supply 170 are mounted on the web 143, and can be smoothly placed in the housing 110 during mounting without excessive friction with the inner wall of the housing 110, so that the mounting is facilitated, and the reliability of the circuit board and the power supply 170 inside the pressure-bearing bin 100 after mounting is improved.
Fig. 6 is a schematic structural diagram of a mounting bracket according to an embodiment of the invention.
In an alternative embodiment, as shown in fig. 6, the first mounting plate 141 is fixed to the first end cap 120, the mounting frame 140 is placed in the housing 110 with the first end cap 120 after the mounting circuit board and the power supply 170 are mounted on the web 143, and finally the second end cap 130 is mounted. The first end cap 120 is fixed to the first mounting plate 141, the mounting bracket 140, the power source 170, the fixed analog signal amplification plate 150 and the digital signal plate 160 form a whole, the whole is installed in a pressure-bearing housing from one side, and after the installation, a cable led out from the second end cap 130 is inserted into the fixed analog signal amplification plate 150. The mounting frame 140 is fixed on the first end cap 120 and forms an integral body with the first end cap, so that the mounting frame is convenient to mount and dismount with the pressure-bearing bin 100.
In an alternative embodiment, the first mounting plate 141 is removably coupled to the first end cap 120.
In an alternative embodiment, the second mounting plate 142 is removably coupled to the second end cap 130.
In an alternative embodiment, the web 143 is adapted to secure the power source 170 proximate an end of the first mounting plate 141.
In an alternative embodiment, the end of the web 143 near the second mounting plate 142 is used to fix the analog signal amplification plate 150 and the digital signal plate 160.
In an alternative embodiment, the first mounting plate 141 is an annular plate, and the wires between the connector 121 and the circuit board can pass through the inner ring of the annular plate, so as to minimize the wires between the connector 121 and the circuit board.
In an alternative embodiment, the first mounting plate 141 is an annular plate, and the wires between the connector 121 and the power source 170 can be routed through the inner ring of the annular plate to minimize the wires used between the connector 121 and the power source 170.
In an alternative embodiment, the second mounting plate 142 is an annular plate, and the wires between the connector 121 and the circuit board can pass through the inner ring of the annular plate, so as to minimize the wires between the connector 121 and the circuit board.
In an alternative embodiment, the second mounting plate 142 is an annular plate, and the wires between the connector 121 and the power source 170 can be routed through the inner ring of the annular plate to minimize the wires used between the connector 121 and the power source 170.
In an alternative embodiment, the circuit board may include: a fixed analog signal amplification board 150 and a digital signal board 160.
In an alternative embodiment, the digital signal board 160 may include: a controller and an analog-to-digital converter.
In an alternative embodiment, the web 143 has first and second opposing faces 145, 146.
In an alternative embodiment, the analog signal amplification board 150 is mounted on the first face 145.
In an alternative embodiment, the digital signal board 160 is mounted on the second side 146.
In an alternative embodiment, the power source 170 is disposed on both the first side 145 and the second side 146. The pressure-bearing bin 100 of the invention utilizes the space to the utmost extent to contain the battery power supply 170, and can be simultaneously installed at two sides of the web 143, thereby improving the space utilization rate and increasing the capacity of the carried power supply.
The analog signal amplification board 150 and the digital signal board 160 are separated and arranged up and down relative to the web 143, so that space coupling interference is reduced; the analog signal board is close to the connector of the input signal and does not pass through the internal digital signal board 160, the path is simple, and the interference of the digital signal is reduced.
In an alternative embodiment, a plurality of the connectors 121 are arranged in a predetermined order.
In an alternative embodiment, the portion of the web 143 that is connected to the first mounting plate 141 divides the first mounting plate 141 into two portions having equal areas.
In an alternative embodiment, the portion of the web 143 that is connected to the second mounting plate 142 divides the second mounting plate 142 into two portions having equal areas.
In an alternative embodiment, a retainer plate 144 is mounted on the web 143 for retaining the power source 170.
In an alternative embodiment, the first surface 145 and the second surface 146 are both provided with the limiting plate 144. The power sources 170 on both sides of the web 143 can be further fixed by the stopper plate 144.
FIG. 7 is a schematic view of a first endcap, according to an embodiment of the present invention.
As shown in fig. 7, in an alternative embodiment, the connector 121 disposed on the first end cap 120 may include: a magnetic field input connector, a controller connector 122, and a charging connector 124.
In an alternative embodiment, the connector 121 is a watertight connector.
In an alternative embodiment, the plug type of the controller connector 122 is DBH13MSS.
In an alternative embodiment, the magnetic field input connector may comprise: hy magnetic field input connector 125 and Hx magnetic field input connector 123.
In an alternative embodiment, the Hy magnetic field input connector 125 is of the plug type MCBH8MSS.
In an alternative embodiment, the charging connector 124 has a plug model number of MCBH4FSS.
In an alternative embodiment, the Hx magnetic field input connector 123 has a plug type MCBH8MSS.
In a preferred embodiment, the controller connector 122, the Hx magnetic field input connector 123, the charging connector 124, and the Hy magnetic field input connector 125 are sequentially arranged on the first end cap 120 in a clockwise direction.
In an alternative embodiment, the charging connector 124 is connected to the power source 170.
In a preferred embodiment, the Hx magnetic field input connector 123 is provided with 8 core cable input contacts, wherein: the first contact is a power supply cathode power supply and is marked with V-; the second contact is a power supply anode power supply and is marked with V +; the third contact is a power ground and is marked GND; the fourth contact is power ground and marks GND; the fifth contact is a calibration signal positive and is marked CAL +; the sixth contact is a negative calibration signal and is marked CAL-; the seventh contact is positive in output signal and marks Sig +; the eighth contact is output signal negative, mark Sig-.
In a preferred embodiment, the Hy magnetic field input connector 125 is provided with 8 core cable input contacts, where: the first contact is a power supply negative electrode power supply and is marked with V-; the second contact is a power supply anode power supply and is marked with V +; the third contact is a power ground and is marked GND; the fourth contact is a power ground and is marked GND; the fifth contact is a calibration signal positive and is marked CAL +; the sixth contact is a negative calibration signal and is marked CAL-; the seventh contact is positive in output signal and is marked by Sig +; the eighth contact is output signal negative, mark Sig-.
In a preferred embodiment, the control connector 122 is provided with 13 core cable input contacts, wherein: the first contact is GPS serial port information and identifies GPS _ TXD; the second contact is not connected and is marked NC; the third contact is a power ground and is marked GND; the fourth contact is a GPS second pulse signal and identifies GPS _ PPS; the fifth contact is power ground and marks GND; the sixth contact is used for sending a signal for a debugging serial port and identifying DEBUG _ TXD; the seventh contact is used for debugging a serial port receiving signal and identifying DEBUG _ RXD; the eighth contact network sends a negative, identified as NET _ TX-; the ninth contact is a network transmission positive and is marked as NET _ TX +; the tenth contact is network receive negative, identified as NET _ RX-; the eleventh contact is network reception positive, identified as NET _ RX +; the twelfth contact is used for controlling a serial port to send a signal and identifying CONTROL _ TXD; the thirteenth contact is used for controlling the serial port to receive signals and identifying CONTROL _ RXD.
In a preferred embodiment, the charging connector 124 is provided with 4 core cable input contacts, wherein: the first contact is a first charging voltage positive identifier and a first charging voltage BAT1+ identifier; the first charging voltage of the second contact is marked as negative, and marked as BAT1-; the second charging voltage of the third contact is positive and is marked BAT2+; the fourth contact identifies negative for the second charging voltage, identifying BAT2-.
Fig. 14 is a schematic diagram of connection points of a digital signal board according to an embodiment of the present invention.
As shown in fig. 14, in an alternative embodiment, the digital signal board 160 may include a connection terminal p, a connection terminal q, a connection terminal r, a connection terminal s, a connection terminal t, a connection terminal u, and a connection terminal v.
In an alternative embodiment, the connection terminals (which may include connection terminal p, connection terminal q, connection terminal r, connection terminal s, connection terminal t, connection terminal u, connection terminal v, first connection terminal 151, and second connection terminal 152) are connectors having a plurality of contacts.
In an alternative embodiment, the connection terminal p on the digital signal board 160 is connected to the Hy magnetic field input connector.
In an alternative embodiment, the connection terminal q of the digital signal board 160 is connected to the Hx magnetic field input connector 123.
In an alternative embodiment, the connection terminal r of the digital signal board 160 is connected to the second connection terminal 152 of the analog signal amplifying board 150.
In an optional embodiment, a core contact of the controller connector 122 is divided into two, and the connection terminal s on the digital signal board 160 has 8 contacts, which are respectively connected to the first contact, the third contact, the fourth contact, the fifth contact, the sixth contact, the seventh contact, the twelfth contact, and the thirteenth contact of the controller connector 122 in a one-to-one correspondence manner.
In an optional embodiment, the core contact of the controller connector 122 is divided into two, and the connection terminal t on the digital signal board 160 has 4 contacts, which are respectively connected to the eighth contact, the ninth contact, the tenth contact and the eleventh contact of the controller connector 122 in a one-to-one correspondence.
In an alternative embodiment, the connection terminal u on the digital signal board 160 is connected to the power source 170 on one side of the web 143, the connection terminal v is connected to the other power source 170 on the other side of the web 143, and the connection terminal u and the connection terminal v are defined the same and backup each other.
In an alternative embodiment, the charging connector 124 is connected to the power source 170.
In an alternative embodiment, the charging connector 124 is connected to the power source 170 on the first side 145.
In an alternative embodiment, the charging connector 124 is connected to the power source 170 on the second side 146.
In a preferred embodiment, the Hy magnetic field input connector 125 is connected to a Hy magnetic rod.
In a preferred embodiment, the Hx magnetic field input connector 123 is connected to an Hx magnetic rod.
In an alternative embodiment, the controller connector 122 has a controller connector 122 designation on the first end cap 120.
In an alternative embodiment, the Hx magnetic field input connector 123 has an Hx magnetic field input identification on the first end cap 120.
In an alternative embodiment, the Hy magnetic field input connector 125 has Hy magnetic field input indicia on the first end cap 120.
In an alternative embodiment, the charging connector 124 has a charging identification on the first end cap 120.
The arrangement mode of the interior of the pressure-bearing bin 100 and the arrangement mode of the watertight connectors 121 on the first end cover 120 and the second end cover 130 on the pressure-bearing bin 100 enable the connectors 121 to have opposite positions, so that the installation on a collecting station and the connection with related sensor cables are facilitated, and offshore construction is facilitated. Meanwhile, the pressure-bearing bin 100 is used for loading a battery and improving the cruising ability of the acquisition station by utilizing the space inside the pressure-bearing bin to the maximum extent on the premise of meeting the space requirement of a circuit board of a data acquisition unit.
FIG. 8 is a schematic view of a second endcap, according to an embodiment of the present invention.
As shown in fig. 8, in an alternative embodiment, the connector 121 disposed on the second end cap 130 may include: the electrodes are input to the connector 121.
In an alternative embodiment, the electrode input connector 121 has a plug type of MCBH2MSS.
In an alternative embodiment, the electrode input connector 121 may include: the first electrode is input to the connector 131.
In an alternative embodiment, the electrode input connector 121 may include: the second electrode is input to connector 132.
In an alternative embodiment, the electrode input connector 121 may include: the third electrode is input to the connector 133.
In an alternative embodiment, the electrode input connector 121 may include: the fourth electrode is input to connector 134.
In an alternative embodiment, the electrode input connector 121 may include: the fifth electrode is input to connector 135.
In an alternative embodiment, the electrode input connector 121 may include: the sixth electrode is input to connector 136.
In an alternative embodiment, the first electrode input connector 131, the second electrode input connector 132, the third electrode input connector 133, the fourth electrode input connector 134, the fifth electrode input connector 135 and the sixth electrode input connector 136 are arranged in order on the second end cap 130 in a clockwise direction.
In a preferred embodiment, the first electrode input connector 131 is provided with two contacts, which are connected to the Ex north electrode (i.e. the north electrode).
In a preferred embodiment, the second electrode input connector 132 is provided with two contacts that connect to the Ex south electrode (i.e., the south electrode).
In a preferred embodiment, the third electrode input connector 133 is provided with two contacts that connect the Ey east electrode (i.e., the east electrode).
In a preferred embodiment, the fourth electrode input connector 134 is provided with two contacts that connect the Ey west electrode (i.e., the west electrode).
In a preferred embodiment, the fifth electrode input connector 135 is provided with two contacts, which are connected to the Ez upper electrode.
In a preferred embodiment, the sixth electrode input connector 136 is provided with two contacts that connect to the Ez lower electrode.
Fig. 12 is a schematic view of a connection point of a first connection terminal according to an embodiment of the present invention.
As shown in fig. 12, in an alternative embodiment, at least a first connection terminal 151 and a second connection terminal 152 are disposed on the analog signal amplifying board 150.
In an alternative embodiment, the first connection terminal 151 may include a connection point a, a connection point b, a connection point c, a connection point d, a connection point e, and a connection point f.
In an alternative embodiment, the connection point a on the analog signal amplifying board 150 is connected with the electrode input contact of the first electrode input connector 131.
In an alternative embodiment, the connection points (connection point a, connection point b, connection point c, connection point d, connection point e, and connection point f) may be contacts.
In an alternative embodiment, the connection point b on the analog signal amplifying board 150 is connected with the electrode input contact of the second electrode input connector 132.
In an alternative embodiment, the connection point c on the analog signal amplifying board 150 is connected with the electrode input contact of the third electrode input connector 133.
In an alternative embodiment, the connection point d on the analog signal amplifying board 150 is connected with the electrode input contact of the fourth electrode input connector 134.
In an alternative embodiment, the connection point e on the analog signal amplification board 150 is connected to the electrode input contact of the fifth electrode input connector 135.
In an alternative embodiment, the connection point f on the analog signal amplification board 150 is connected to the electrode input contact of the sixth electrode input connector 136.
In an alternative embodiment, the first electrode input connector 131 has a first electrode input identifier on the second end cap 130.
In an alternative embodiment, the second electrode input connector 132 has a second electrode input identifier on the second end cap 130.
In an alternative embodiment, the third electrode input connector 133 has a third electrode input label on the second end cap 130.
In an alternative embodiment, the fourth electrode input connector 134 has a fourth electrode input label on the second end cap 130.
In an alternative embodiment, the fifth electrode input connector 135 has a fifth electrode input label on the second end cap 130.
In an alternative embodiment, the sixth electrode input connector 136 has a sixth electrode input label on the second end cap 130.
In an alternative embodiment, the controller connector 122 of the first end cap 120 is disposed to correspond to one of the electrode input connectors 121 of the second end cap 130.
In a preferred embodiment, the line connecting the controller connector 122 to one of the electrode input connectors is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
In an alternative embodiment, the charging connector 124 of the first end cap 120 is disposed corresponding to one of the electrode input connectors 121 of the second end cap 130.
In a preferred embodiment, the line connecting the charging connector 124 and one of the electrode input connectors is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
In an alternative embodiment, the Hy magnetic field input connector 125 on the first end cap 120 is disposed in correspondence with one of the electrode input connectors 121 on the second end cap 130.
In a preferred embodiment, the line between the Hy magnetic field input connector 125 and one of the electrode input connectors is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
In an alternative embodiment, the Hx magnetic field input connector 123 on the first end cap 120 is disposed to correspond to one of the electrode input connectors 121 on the second end cap 130.
In a preferred embodiment, the line connecting the Hx magnetic field input connector 123 and one of the electrode input connectors is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
In a preferred embodiment, the line connecting the controller connector 122 and the first electrode input connector 131 is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
In a preferred embodiment, a connection line between the charging connector 124 and the first electrode input connector 131 is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
In a preferred embodiment, the connection line between the Hy magnetic field input connector 125 and the first electrode input connector 131 is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
In a preferred embodiment, the line connecting the Hx magnetic field input connector 123 and the first electrode input connector 131 is perpendicular to both the plane of the first end cap 120 and the plane of the second end cap 130.
The controller connector 122, the Hx magnetic field input connector 123, the charging connector 124, and the Hy magnetic field input connector 125 are disposed on the first end cap 120. The magnetic field measuring device is convenient to be connected with equipment for measuring a magnetic field in the using process, and wiring is reduced.
The first electrode input connector 131, the second electrode input connector 132, the third electrode input connector 133, the fourth electrode input connector 134, the fifth electrode input connector 135, and the sixth electrode input connector 136 are disposed on the second end cap 130. The device is convenient to be connected with the equipment of the electric field component in the using process, and the wiring is reduced.
All the signals measured by various measuring instruments in the submarine magnetotelluric instrument are weak signals, so that errors generated in the transmission process of the signals can be effectively prevented by reducing wiring, and the detection accuracy is improved. Moreover, wires connected among the instruments are specially customized or specially subjected to special vulcanization treatment, so that the cost is extremely high, a large amount of time and energy are consumed, wiring is reduced, and the cost can be saved.
In an alternative embodiment, the weak signal input is mated with the connector 121 to complete the connection and allow signal transmission.
In an alternative embodiment, the connector 121 uses a female (female) head, which effectively protects the contacts.
In an alternative embodiment, the weak signal input end adopts a horizontal direct-plug connector, so that the signal input is convenient and the force stroke in the installation process is reduced.
Fig. 9 is a schematic diagram of a power supply according to an embodiment of the invention.
Fig. 10 is a schematic diagram of a power supply according to another embodiment of the invention. As shown in fig. 9 and 10, in an alternative embodiment, the inner diameter of the pressure-bearing bin 100 is 125mm, the battery is a commercial cylindrical battery 18650, which is realized by series-parallel connection, and the specification of 1865 cylindrical battery is as follows: the length is 65mm, the diameter of the cylinder is 18mm, the laminated structure is shown in a figure 9,6 with 5 batteries at the bottom and 4 batteries at the top, the batteries are in a surface tangent relation, the batteries are arranged in the bin up and down, the occupied space ratio of the batteries is 72 percent, and the space occupation ratio is superior to that of the batteries which are arranged on one side only (only on the upper side or the lower side, the occupied space ratio of the batteries is halved).
In another embodiment of the present invention, a subsea electromagnetic acquisition station 400 is provided, which may comprise the pressurized cabin 100 according to any of the above-mentioned technical solutions.
Fig. 11 is a schematic structural diagram of a subsea electromagnetic acquisition station according to an embodiment of the present invention.
In another embodiment of the invention, as shown in fig. 11, a subsea electromagnetic acquisition system is provided, which may comprise a subsea electromagnetic acquisition station 400 according to any of the above-mentioned aspects.
In an alternative embodiment, the subsea electromagnetic acquisition station 400 may further comprise: and the control terminal 200 is connected with the pressurized cabin 100 through the controller connector 122.
In an alternative embodiment, the subsea electromagnetic acquisition station 400 may further comprise: and the transfer time service module 300 is respectively connected with the pressure-bearing bin 100 and the control terminal 200, and is used for performing putting pretreatment including awakening, time service, parameter setting and acquisition mode entering on the seabed electromagnetic acquisition station 400 based on the control signal.
In a further embodiment of the invention, a subsea electromagnetic acquisition system is provided comprising a subsea electromagnetic acquisition station 400 according to any of the above-described aspects.
In an alternative embodiment, the electromagnetic subsea acquisition station 400 is multiple.
In an optional embodiment, the subsea electromagnetic acquisition system may further comprise: and the control terminal 200 is connected with the pressurized cabin 100 through the controller connector 122.
In an optional embodiment, the subsea electromagnetic acquisition system may further comprise: and the transfer time service module 300 is respectively connected with the pressure-bearing bin 100 and the control terminal 200, and is used for performing release pretreatment including awakening, time service, parameter setting and acquisition mode entering on the seabed electromagnetic acquisition system based on the control signal.
In a further embodiment of the invention, a subsea electromagnetic acquisition method is provided, acquiring subsea electromagnetic information by using an acquisition station according to any of the above-mentioned technical solutions.
Figure 15 is a state diagram of a pressurized cabin according to an embodiment of the invention in use.
In an alternative embodiment, as shown in fig. 11 and 15, the pressurized cabin 100 is fixed on the subsea electromagnetic acquisition station 400.
In an alternative embodiment, when the pressurized cabin 100 is fixed on the seabed electromagnetic acquisition station 400, the plane of the web 143 is perpendicular to the gravity direction.
In an alternative embodiment, when the pressurized cabin 100 is fixed on the subsea electromagnetic acquisition station 400, the second face 146 of the web 143 faces upward.
In an alternative embodiment, after the subsea electromagnetic acquisition station 400 is deployed to a predetermined location, the first end cap 120 faces north and the second end cap 130 faces south.
The digital signal plate 160 has an azimuth attitude measurement function, and the measured information includes an azimuth angle (0 to 360 °), a pitch angle (-90 to 90 °), and a roll angle (-180 to 180 °), and when the digital signal plate 160 is oriented upward, both roll angle and pitch angle measurements are 0 °.
When the housing 110 is flat with the north-south electrode and the first end cap 120 is on the north-pole side, the azimuth angle is 0 °. The housing 110 is assembled in the acquisition station 400 with the pitch and roll angles 0 ° such that the controller connector 122 is at the uppermost end of the first end cap 120, the first end cap 120 of the housing 110 is parallel to the north electrode such that the measured azimuth is the north-south electrode orientation, and the recorded azimuth is used in the subsequent data processing.
The invention aims to protect a pressure-bearing bin, a seabed electromagnetic acquisition station and an acquisition system, wherein the pressure-bearing bin comprises: the shell 110, the shell 110 is a cylindrical structure; a first end cap 120 disposed at one end of the housing 110; a plurality of connectors 121 are arranged on the first end cover 120, and the connectors 121 are used for connecting the internal circuit of the housing 110 with external equipment; a second end cap 130 disposed at the other end of the housing 110; the second end cap 130 is provided with a plurality of connectors 121, and the connectors 121 are used for connecting the internal circuit of the housing 110 with external equipment; a mounting bracket 140, the mounting bracket 140 being disposed within the housing 110; wherein the mounting frame 140 may include: a first mounting plate 141, the first mounting plate 141 being connected to the first end cap 120; a second mounting plate 142, the second mounting plate 142 being coupled to the second end cap 130; and the two opposite ends of the web 143 are respectively fixed on the first mounting plate 141 and the second mounting plate 142, and the web 143 is used for mounting an internal circuit, so that the circuit board and the power supply 170 can be connected with external equipment through the connector 121. The pressure-bearing bin 100 of the invention can utilize the space inside the pressure-bearing bin 100 to the maximum extent on the premise of meeting the space requirement of a data acquisition unit circuit board, and is used for loading a battery (a power supply 170) and improving the cruising ability of an acquisition station. The circuit board and the power supply 170 are mounted on the web 143, and can be smoothly placed in the housing 110 during mounting without excessive friction with the inner wall of the housing 110, so that the mounting is facilitated, and the reliability of the circuit board and the power supply 170 inside the pressure-bearing bin 100 after mounting is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A pressurized bin, comprising:
a housing (110), the housing (110) having a cylindrical structure;
a first end cap (120) disposed at one end of the housing (110); the first end cover (120) is provided with a plurality of connectors (121), and the connectors (121) are used for connecting the internal circuit of the shell (110) with external equipment;
a second end cap (130) provided at the other end of the housing (110); a plurality of connectors (121) are arranged on the second end cover (130), and the connectors (121) are used for connecting the internal circuit of the shell (110) with external equipment;
a mounting bracket (140), the mounting bracket (140) disposed within the housing (110);
wherein the mounting frame (140) comprises: a first mounting plate (141), the first mounting plate (141) being connected to the first end cap (120); a second mounting plate (142), the second mounting plate (142) being connected to the second end cap (130); the two opposite ends of the web (143) are respectively fixed on the first mounting plate (141) and the second mounting plate (142), and one end, close to the second mounting plate (142), of the web (143) is used for fixing an analog signal amplification plate (150) and a digital signal plate (160); the web plate (143) is used for installing an internal circuit, so that the analog signal amplification plate (150), the digital signal plate (160) and a power supply (170) are connected with an external device through the connector (121);
the connector (121) disposed on the second end cap (130) includes: an electrode input connector;
the electrode input connector includes: a first electrode input connector (131), a second electrode input connector (132), a third electrode input connector (133), a fourth electrode input connector (134), a fifth electrode input connector (135), and a sixth electrode input connector (136); the first electrode input connector (131), the second electrode input connector (132), the third electrode input connector (133), the fourth electrode input connector (134), the fifth electrode input connector (135) and the sixth electrode input connector (136) are sequentially arranged clockwise on the second end cap (130);
wherein the first electrode input connector (131) is used for connecting an Ex north electrode; the second electrode input connector (132) is used for connecting an Ex south electrode; the third electrode input connector (133) is used for connecting an Ey east electrode; the fourth electrode input connector (134) is used for connecting an Ey west electrode; the fifth electrode input connector (135) is used for connecting an Ez upper electrode; the sixth electrode input connector (136) is for connecting to an Ez lower electrode.
2. The surge bin of claim 1,
one end of the web (143) near the first mounting plate (141) is used for fixing a power supply (170).
3. The surge bin of claim 2,
the web (143) having first and second opposed faces (145, 146);
the analog signal amplification board (150) is mounted on the first face (145);
the digital signal board (160) is mounted to the second face (146).
4. Pressure-containing silo according to any of claims 1 to 3,
the plurality of connectors (121) are arranged in a predetermined order.
5. The surge bin of claim 4,
the part of the web (143) connected with the first mounting plate (141) divides the first mounting plate (141) into two parts with equal areas;
the portion of the web (143) connected to the second mounting plate (142) divides the second mounting plate (142) into two portions of equal area.
6. The surge bin of claim 2,
and a limiting plate (144) is arranged on the web plate (143) and used for limiting the power supply (170).
7. The surge bin of claim 1,
the connector (121) disposed on the first end cap (120) includes: a magnetic field input connector, a controller connector (122), and a charging connector (124).
8. The surge bin of claim 1,
the connector (121) disposed on the second end cap (130) includes: the electrode is input to a connector (121).
9. A subsea electromagnetic acquisition station comprising a pressurized container according to any of claims 1-8.
10. A subsea electromagnetic acquisition system comprising a subsea electromagnetic acquisition station as claimed in claim 9.
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| CN202210204299.7A CN114578435B (en) | 2022-03-03 | 2022-03-03 | Pressure-bearing bin, seabed electromagnetic acquisition station and acquisition system |
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| CN107290789A (en) * | 2017-05-09 | 2017-10-24 | 中国石油天然气集团公司 | A kind of marine electromagnetic acquisition station |
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| CN2439035Y (en) * | 2000-09-18 | 2001-07-11 | 中国地质大学（北京） | Combined circuits integration for collecting subsea and earth electromagnetic signals |
| US7657391B2 (en) * | 2006-07-14 | 2010-02-02 | Westerngeco L.L.C. | Electromagnetically detecting thin resistive bodies in shallow water and terrestrial environments |
| CN111551998B (en) * | 2020-05-14 | 2021-03-19 | 中国科学院地质与地球物理研究所 | Submarine electromagnetic acquisition station communication device and method |
| CN113267807B (en) * | 2021-05-18 | 2022-10-25 | 自然资源部第一海洋研究所 | Seabed seismic source and seabed detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107290789A (en) * | 2017-05-09 | 2017-10-24 | 中国石油天然气集团公司 | A kind of marine electromagnetic acquisition station |
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