CN110554442B - Power supply device of ocean magnetometer - Google Patents
Power supply device of ocean magnetometer Download PDFInfo
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- CN110554442B CN110554442B CN201910805893.XA CN201910805893A CN110554442B CN 110554442 B CN110554442 B CN 110554442B CN 201910805893 A CN201910805893 A CN 201910805893A CN 110554442 B CN110554442 B CN 110554442B
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- ocean
- lithium polymer
- magnetometer
- balls
- polymer batteries
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 59
- 229920000642 polymer Polymers 0.000 claims abstract description 59
- 239000011521 glass Substances 0.000 claims abstract description 20
- 239000011324 bead Substances 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000004927 fusion Effects 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000007667 floating Methods 0.000 description 7
- 230000005358 geomagnetic field Effects 0.000 description 7
- 230000007774 longterm Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004005 microsphere Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- 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
- G01V3/40—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for measuring magnetic field characteristics of the earth
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Primary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The power supply device of the ocean magnetometer is arranged on a decoupling frame of the ocean magnetometer and glass beads, and comprises an acoustic communication releaser, a fusion device, a positioning plate and at least two ocean balls, wherein the ocean balls are arranged on the top sides of the glass beads and are fixedly arranged by the positioning plate; at least one ocean ball is internally provided with a plurality of groups of lithium polymer batteries which are connected in parallel and used for supplying electric energy; a magnetometer device for measurement is placed in at least one ocean ball; at least one watertight connector which is convenient for being electrically connected with other ocean balls is arranged on all the ocean balls, and the watertight connectors on all the ocean balls are electrically connected through watertight connection lines; the acoustic communication releaser and the breaking device are electrically connected with a marine ball with a lithium polymer battery through watertight connection and watertight joint; the power supply part and the magnetometer equipment are separately arranged, so that the problem of magnetic field interference caused by power supply to the magnetometer under the ocean condition is solved.
Description
[ field of technology ]
The invention relates to a marine geophysical power supply technology, in particular to a power supply device of a marine magnetometer.
[ background Art ]
The geomagnetic field is the basic physical field of the earth, any point in the near-earth space of the earth has magnetic field intensity, the intensity and the direction of the geomagnetic field can be changed along with different longitudes, latitudes and altitudes, and the geomagnetic field contains abundant parameter information, such as geomagnetic total field, geomagnetic three-component, magnetic dip angle, magnetic declination, geomagnetic field gradient and the like, and can provide a natural coordinate system for aviation, spaceflight, navigation and the like.
The geomagnetic navigation has the excellent characteristics of being passive, non-radiative, all-day, all-weather, all-region and low in energy consumption, and the principle is that real-time geomagnetic data measured by a geomagnetic sensor is matched with a geomagnetic reference map stored in a computer to be positioned. In addition, the geomagnetic navigation is utilized without receiving external information, and the geomagnetic navigation belongs to active navigation, has the characteristics of good concealment performance, instant use, no error accumulation with time and the like, can make up the defect of long-term error accumulation of inertial navigation, and can be applied to autonomous navigation of carriers such as submarines, ships and the like and guidance of remote weapons such as missiles and the like. Therefore, the ocean geomagnetic field detection is developed, the high-precision ocean geomagnetic map is obtained, and the method has great strategic significance in supporting modern construction in China.
In the prior art, the vector measuring instrument for the ocean geomagnetic field is an autofloating instrument and is special for detecting the ocean geomagnetic field. The conventional sinking and floating technology of the sinking coupling frame-unhooking mechanism is widely used for realizing sinking to the sea floor and floating to the sea surface during working, the floating is generally realized by utilizing the buoyancy of a single cabin ball or a multi-cabin ball, the technology is mature, but the total weight of the instrument is limited, the difficulty is that the long-term normal power supply requirement of the instrument is met on the basis of a certain weight, so that more detection instruments are difficult to mount, the submarine seismograph is prevented from realizing more functions, or more batteries are mounted to realize long-time observation.
In the prior art, the conventional power supply device on land, such as a lead-acid storage battery, cannot meet the requirements of marine power supply environment in terms of specific energy by weight and specific energy by volume (energy given by a battery per unit weight or unit volume), because in marine instruments, all components which cannot be waterproof and pressure-resistant are installed in a special glass floating ball container, and the requirements on volume are extremely severe. In addition, the recovery of the self-sinking and floating instrument needs to float to the sea surface by the positive buoyancy provided by the glass floating ball, and the weight requirements of all components are extremely strict. The design of a special battery which is resistant to pressure, adapts to the submarine low-temperature environment and ensures enough capacity, and the power supply unit does not bring extra magnetic field noise to the magnetic measurement system is a difficulty to be solved.
[ invention ]
According to the invention, the lithium polymer battery is used for instrument power supply, and the lithium polymer battery matched with the battery capacity and the weight is arranged in the ocean ball, so that the power supply device of the ocean magnetometer, which meets the requirements of ocean geomagnetic measurement scenes, has a compact structure, a small volume and light weight, and can supply power to the magnetometer for a long time under ocean conditions and avoid magnetic field interference to the magnetometer, is provided.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the power supply device of the ocean magnetometer is arranged on the decoupling frame of the ocean magnetometer and the glass beads and comprises an acoustic communication releaser, a fusion device, a positioning plate and at least two ocean balls, wherein the ocean balls are arranged on the top side of the glass beads and are fixedly arranged by the positioning plate, and the acoustic communication releaser and the fusion device are arranged on the outer side edges between the positioning plate and the glass beads;
at least one ocean ball is internally provided with a plurality of groups of lithium polymer batteries which are connected in parallel and used for supplying electric energy;
a magnetometer device for measurement is placed in at least one ocean ball;
at least one watertight connector which is convenient for being electrically connected with other ocean balls is arranged on all the ocean balls, and the watertight connectors on all the ocean balls are electrically connected through watertight connection lines;
the acoustic communication releaser and the fusion device are electrically connected with a marine ball with a lithium polymer battery through watertight connection and watertight joints.
Further, four ocean balls are fixedly arranged on the positioning plate, two ocean balls provided with lithium polymer batteries are diagonally distributed on the top side of the glass beads, and the other two ocean balls for accommodating magnetometer equipment are diagonally arranged on the other side of the top side of the glass beads.
Further, two ocean balls for accommodating magnetometer equipment, wherein a fluxgate, a master control circuit board and a vector magnetic measurement sensor are arranged in one ocean ball, and a circuit master controller for controlling the lithium polymer batteries in the two ocean balls to work is arranged in the other ocean ball.
Further, a top pressing plate, four side wall fixing blocks, a base plate and a bottom pressing plate are further arranged in the ocean ball provided with the lithium polymer batteries, the four side wall fixing blocks are uniformly and vertically arranged on the upper side face of the base plate along four sides in the circumferential direction, the four side wall fixing blocks are circumferentially enclosed to form a cavity which is convenient for accommodating and fixing a plurality of groups of lithium polymer batteries after being arranged in multiple layers, and the top pressing plate is fixedly connected to the top ends of the four side wall fixing blocks and is used for fixing the plurality of groups of lithium polymer batteries arranged in multiple layers in the cavity in a blocking manner; the lower side surface of the base plate is also provided with a plurality of groups of lithium polymer batteries which are arranged in a layer-by-layer manner, and the lithium polymer batteries which are arranged in a layer-by-layer manner on the lower side surface of the base plate are pressed and fastened on the lower side surface of the base plate by the base press plate; the side face of one side wall fixing block is also provided with a battery control board electrically connected with all lithium polymer batteries, and the battery control board is provided with a diode protection circuit electrically connected with each group of lithium polymer batteries respectively.
Further, a top pressing plate, four side wall fixing blocks, a base plate and a bottom pressing plate are further arranged in the ocean ball provided with the lithium polymer batteries, the four side wall fixing blocks are uniformly and vertically arranged on the upper side face of the base plate along four edges in the circumferential direction, the four side wall fixing blocks are circumferentially enclosed to form a cavity which is convenient for accommodating and fixing 48 groups of lithium polymer batteries after being overlapped and arranged according to three layers and two columns, the top pressing plate is fixedly connected to the top ends of the four side wall fixing blocks and is used for blocking and fixing 48 groups of lithium polymer batteries which are overlapped and arranged according to three layers and two columns in the cavity, 8 groups of lithium polymer batteries are arranged in each column, and the 48 groups of lithium polymer batteries in the cavity are used for supplying power to magnetometer equipment; the lower side surface of the base plate is also provided with four groups of lithium polymer batteries which are arranged in two rows to form a layer, the lower side surface of the base plate is fixed on the lower side surface of the base plate by the press button of the base plate, and the lower side surface of the base plate is provided with four groups of lithium polymer batteries for supplying power to the acoustic communication releaser and the fusing device; the side face of one side wall fixing block is also provided with a battery control board electrically connected with all lithium polymer batteries, and the battery control board is provided with a diode protection circuit electrically connected with each group of lithium polymer batteries respectively.
Further, the shell of the lithium polymer battery adopts an aluminum plastic package for eliminating magnetism.
The beneficial effects of the invention are as follows:
the lithium polymer battery has the advantages of high specific energy, miniaturization, ultra-thin, light weight, high safety and the like. Moreover, the lithium polymer battery can be made into batteries with any shape and capacity so as to meet the requirements of various products, and the lithium polymer battery is usually packaged by aluminum plastic, has no ferromagnetism and meets the requirements of marine geomagnetic measurement scenes.
According to the invention, the power supply part and the magnetometer equipment are arranged in different ocean balls separately, so that the deep sea environment can be achieved and the floating-up counterweight requirement can be met under the condition that the total counterweight requirement of the instrument is effectively met; the problem of long-time power supply to the magnetometer under the ocean condition is solved, normal work in a deep sea environment is realized, the total electric quantity reaches 960AH, and the long-term power supply requirement is met; and the problem of magnetic field interference caused by the power supply part to the magnetometer can be effectively avoided.
[ description of the drawings ]
FIG. 1 is a schematic perspective view of a corresponding marine magnetometer of the present invention;
FIG. 2 is a schematic view of an assembled structure of a battery in a marine ball according to the present invention;
FIG. 3 is a schematic illustration of the connection between ocean balls in a marine magnetometer of the present invention;
FIG. 4 is a schematic diagram of the connection of the battery in the ocean ball of the present invention;
FIG. 5 is a schematic diagram of the circuit principle of the present invention with a battery ocean ball;
the following describes the embodiments of the present invention in further detail with reference to the drawings.
[ detailed description ] of the invention
The power supply device of the ocean magnetometer is arranged on a decoupling frame 1 and glass beads 2 of the ocean magnetometer as shown in fig. 1 to 5, and comprises an acoustic communication releaser and a fusion device 3, a positioning plate 4 and four ocean balls (5, 6, 7 and 8), wherein the four ocean balls (5, 6, 7 and 8) are arranged on the top side of the square glass beads 2 and are limited and fixed after being clamped by a hole clamp sleeve on the positioning plate 4, and the acoustic communication releaser and the fusion device 3 are arranged on the outer side edge between the positioning plate 4 and the glass beads 2; a plurality of groups of lithium polymer batteries 9 which are connected in parallel and used for supplying electric energy are arranged in the two ocean balls (5, 6), and the outer shell of the lithium polymer batteries 9 adopts aluminum plastic packaging for eliminating magnetism; the two ocean balls (7, 8) are internally provided with magnetometer equipment for measurement, the two ocean balls (5, 6) provided with lithium polymer batteries 9 are diagonally distributed on the top side of the glass microsphere 2, and the other two ocean balls (7, 8) for accommodating magnetometer equipment are diagonally arranged on the other side of the top side of the glass microsphere 2; wherein, two ocean balls (7, 8) for accommodating magnetometer equipment, one ocean ball 8 is internally provided with a fluxgate, a master control circuit board and a vector magnetic measurement sensor, and the other ocean ball 7 is internally provided with a circuit master controller for controlling the lithium polymer battery 9 in the two ocean balls (5, 6) to work; and all ocean balls are assembled and then vacuumized, and as the glass beads 2 are small in density and have large buoyancy, the decoupling frame 1 provides a certain counterweight for counteracting the buoyancy of the whole magnetometer, and the requirement that the equipment is immersed into deep sea is met.
As shown in fig. 3, a plurality of watertight joints 10 which are convenient for electric connection with other ocean balls are arranged on all the ocean balls (5, 6, 7, 8), and the watertight joints 10 on all the ocean balls are electrically connected through watertight connection 11 vulcanized in the middle; the acoustic communication releaser and the fusion device 3 are electrically connected with a sea ball with a lithium polymer battery 9 through watertight connection 11 and watertight joint 10; the ocean balls 7 provided with the circuit master controller are respectively and electrically connected with the two ocean balls (5, 6) provided with the lithium polymer battery 9 through the watertight connector 10 and the watertight connection 11, and the two ocean balls (5, 6) provided with the lithium polymer battery 9 provide corresponding power supplies for the whole machine.
As shown in fig. 2, 4 and 5, a top pressing plate 12, four side wall fixing blocks 13, a base plate 14 and a bottom pressing plate 15 are further arranged in each ocean ball in which the lithium polymer batteries 9 are placed, the four side wall fixing blocks 13 are uniformly and vertically arranged on the upper side face of the base plate 14 along four circumferential sides, the four side wall fixing blocks 13 are circumferentially enclosed to form a cavity which is convenient for accommodating and fixing 48 groups of lithium polymer batteries 9 after being overlapped and arranged in three layers and two columns, the top pressing plate 12 is fixedly connected to the top ends of the four side wall fixing blocks 13 and is used for blocking and fixing 48 groups of lithium polymer batteries 9 which are overlapped and arranged in three layers and two columns in the cavity, 8 groups of lithium polymer batteries 9 are arranged in each column, and the 48 groups of lithium polymer batteries 9 in the cavity are used for supplying power to magnetometer equipment; four groups of lithium polymer batteries 9 which are arranged in two rows and two columns to form a layer are also arranged on the lower side surface of the base plate 14, one layer of lithium polymer batteries 9 which are arranged in two rows and two columns on the lower side surface of the base plate 14 are pressed and fastened on the lower side surface of the base plate 14 by a bottom pressing plate 15, and one layer of four groups of lithium polymer batteries 9 on the lower side surface of the base plate 14 are used for supplying power to the acoustic communication releaser and the fusion device 3; a battery control board 16 electrically connected to all the lithium polymer batteries 9 is further mounted on a side of one side wall fixing block 13, and a diode protection circuit 17 electrically connected to each group of lithium polymer batteries 9 is provided on the battery control board 16 to provide a long-term stable power output.
The ocean magnetometer is arranged in different ocean balls through the power supply part and magnetometer equipment, can reach a deep sea environment and float upwards under the condition of effectively meeting the total counterweight requirement of the instrument, and meets the requirement of self-sinking and floating counterweight; the problem of long-time power supply to the magnetometer under the ocean condition is solved, normal work in a deep sea environment is realized, the total electric quantity reaches 960AH, and the long-term power supply requirement is met; and the problem of magnetic field interference caused by the power supply part to the magnetometer can be effectively avoided.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all equivalent changes according to the shape, construction and principle of the present invention are intended to be included in the scope of the present invention.
Claims (4)
1. The power supply device of the ocean magnetometer is arranged on the decoupling frame of the ocean magnetometer and the glass beads and comprises an acoustic communication releaser, a fusion device, a positioning plate and at least two ocean balls, wherein the ocean balls are arranged on the top side of the glass beads and are fixedly arranged by the positioning plate, and the acoustic communication releaser and the fusion device are arranged on the outer side edges between the positioning plate and the glass beads; the method is characterized in that:
a plurality of groups of lithium polymer batteries which are connected in parallel and used for supplying electric energy are arranged in at least one ocean ball, and the shell of the lithium polymer batteries adopts an aluminum plastic package for eliminating magnetism;
a magnetometer device for measurement is placed in at least one ocean ball;
at least one watertight connector which is convenient for being electrically connected with other ocean balls is arranged on all the ocean balls, and the watertight connectors on all the ocean balls are electrically connected through watertight connection lines;
the acoustic communication releaser and the fusion device are electrically connected with a marine ball with a lithium polymer battery through watertight connection and watertight joints;
the ocean ball provided with the lithium polymer batteries is internally provided with a top pressing plate, four side wall fixing blocks, a base plate and a bottom pressing plate, wherein the four side wall fixing blocks are uniformly and vertically arranged on the upper side surface of the base plate along four sides in the circumferential direction, the four side wall fixing blocks are circumferentially enclosed to form a cavity which is convenient for accommodating and fixing a plurality of groups of lithium polymer batteries after being arranged in a multi-layer manner, and the top pressing plate is fixedly connected to the top ends of the four side wall fixing blocks and is used for fixing a plurality of groups of lithium polymer batteries arranged in the cavity in a multi-layer manner; the lower side surface of the base plate is also provided with a plurality of groups of lithium polymer batteries which are arranged in a layer-by-layer manner, and the lithium polymer batteries which are arranged in a layer-by-layer manner on the lower side surface of the base plate are pressed and fastened on the lower side surface of the base plate by the base press plate; the side face of one side wall fixing block is also provided with a battery control board electrically connected with all lithium polymer batteries, and the battery control board is provided with a diode protection circuit electrically connected with each group of lithium polymer batteries respectively.
2. The power supply device of the marine magnetometer according to claim 1, wherein the positioning plate is fixedly provided with four marine balls, two marine balls provided with lithium polymer batteries are diagonally distributed on the top side of the glass beads, and the other two marine balls for accommodating magnetometer devices are diagonally arranged on the other side of the top side of the glass beads.
3. The power supply device of the ocean magnetometer according to claim 2, wherein the two ocean balls are used for accommodating magnetometer equipment, a fluxgate, a master control circuit board and a vector magnetic measurement sensor are arranged in one ocean ball, and a circuit master controller for controlling the operation of lithium polymer batteries in the two ocean balls is arranged in the other ocean ball.
4. The power supply device of a marine magnetometer according to claim 1 or 2, wherein the plurality of sets of lithium polymer batteries are 48 sets of lithium polymer batteries, and the plurality of layers and the two columns are stacked in a three-layer and two-column arrangement.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910719053 | 2019-08-05 | ||
| CN2019107190531 | 2019-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110554442A CN110554442A (en) | 2019-12-10 |
| CN110554442B true CN110554442B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910805893.XA Active CN110554442B (en) | 2019-08-05 | 2019-08-29 | Power supply device of ocean magnetometer |
| CN201921427737.6U Active CN210666053U (en) | 2019-08-05 | 2019-08-29 | Power supply device of ocean magnetometer |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921427737.6U Active CN210666053U (en) | 2019-08-05 | 2019-08-29 | Power supply device of ocean magnetometer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110554442B (en) * | 2019-08-05 | 2024-04-12 | 珠海市泰德企业有限公司 | Power supply device of ocean magnetometer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511834A (en) * | 2017-08-24 | 2017-12-26 | 国家海洋局第二海洋研究所 | A kind of marine bearing calibration of underwater robot and magnetometer magnetic disturbance with magnetometer extension rod |
| CN107807397A (en) * | 2017-11-29 | 2018-03-16 | 北京市京核鑫隆科技有限责任公司 | Intelligence high-precision marine geomagnetic field monitoring system |
| CN210666053U (en) * | 2019-08-05 | 2020-06-02 | 珠海市泰德企业有限公司 | Power supply device of ocean magnetometer |
-
2019
- 2019-08-29 CN CN201910805893.XA patent/CN110554442B/en active Active
- 2019-08-29 CN CN201921427737.6U patent/CN210666053U/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107511834A (en) * | 2017-08-24 | 2017-12-26 | 国家海洋局第二海洋研究所 | A kind of marine bearing calibration of underwater robot and magnetometer magnetic disturbance with magnetometer extension rod |
| CN107807397A (en) * | 2017-11-29 | 2018-03-16 | 北京市京核鑫隆科技有限责任公司 | Intelligence high-precision marine geomagnetic field monitoring system |
| CN210666053U (en) * | 2019-08-05 | 2020-06-02 | 珠海市泰德企业有限公司 | Power supply device of ocean magnetometer |
Non-Patent Citations (2)
| Title |
|---|
| 关于浅海海洋质子磁力仪的改装研究;钟献盛;海洋科学进展;19910930(03);全文 * |
| 地电供电对地磁观测干扰的排除;蒋延林, 嵇才建, 赵卫红;地震地磁观测与研究;19990225(01);全文 * |
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| Publication number | Publication date |
|---|---|
| CN110554442A (en) | 2019-12-10 |
| CN210666053U (en) | 2020-06-02 |
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