CN100397432C - Automatic monitoring apparatus for submarine permanent anchor system in deep sea - Google Patents
Automatic monitoring apparatus for submarine permanent anchor system in deep sea Download PDFInfo
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- CN100397432C CN100397432C CNB2005100442008A CN200510044200A CN100397432C CN 100397432 C CN100397432 C CN 100397432C CN B2005100442008 A CNB2005100442008 A CN B2005100442008A CN 200510044200 A CN200510044200 A CN 200510044200A CN 100397432 C CN100397432 C CN 100397432C
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Abstract
The present invention relates to an automatic observation device for an underwater permanent anchor system in deep sea. The present invention comprises an observation framework which is anchored by a heavy block. A sensor, an observation instrument, a data collector system module, a long-distance wireless acoustic modem and a cell are installed and integrated on the framework, wherein the data collector system module is connected with a data communication system module, the communication system module transmits processed observed data from the collector system module to the long-distance wireless acoustic modem by a serial interface, the modem is connected with an externally connected computer underwater by a microprocessor and a standard serial interface, and the data is transmitted to the externally connected computer. The device adapts to various underwater detection tasks in deep sea, such as marine physics, marine chemistry, marine organism and biochemistry, and the present invention provides the technical support for the exploratory development of deep-sea resources. The present invention has the characteristics of simple structure, strong practicability, underwater wireless communication in deep sea and high degree of automation.
Description
Technical field
The present invention relates to a kind of deep-sea subsea anchor system, particularly a kind of automatic monitoring apparatus for submarine permanent anchor system in deep sea, it relates to the long-term fixed point anchor that can carry out the underwater wireless communication is observation device.
Background technology
The long-term fixed point Detection Techniques of prior art provide the approach of usefulness for the human background science problem of understanding the seabed, the space-time that the mankind can be understood in the fields such as geology, chemistry and biology develops and distribution, for the rational development and utilization seabed resources of the mankind provide foundation.Existing subsea anchor system is by observation framework, survey sensor, underwater battery, data acquisition system (DAS), pouring weight, acoustics release and the ball float system that produces positive buoyancy form under water.The observation framework is mainly sensor, battery, data acquisition system (DAS) and an integrated space is provided and protects observation instrument to avoid colliding with other objects when input, underwater observations and recovery and cause the damage of sensor or other instrument and equipments.Observe framework also must have good opening simultaneously, little to the interference of marine stream, thus will be reduced to minimum (for example, the measurement of ocean current) by the measuring error that the observation framework causes.When system threw in, with pouring weight, acoustics release, observation framework and ball float system connected with the stainless steel wirerope successively, render to the water from research ship, and the negative buoyancy force that system relies on pouring weight to produce will drop to the seabed.Because the weight maximum of pouring weight, so pouring weight will at first arrive the surface, seabed, because the observation framework keeps relative steady state (SS) under water under the effect of the negative buoyancy force that positive buoyancy and pouring weight produced that ball float produced, therefore can carry out long-term monitoring to the position of a certain regulation.The measurement of underwater sensor is according to the sampling period that is set in advance before throwing in and finishes at interval that all observation datas will be concentrated in the storage medium that is stored in the data acquisition unit.When finishing systematic observation, research ship is driven to the zone of being thrown in, acoustics release control module by the water surface is launched the acoustics instruction under water, the underwater sound release receives from after the releasing order of the water surface, the operation of both having broken off relations, acoustics release and pouring weight are broken away from, and system relies on the positive buoyancy of ball float to go back up to the water surface at this moment.The research ship of the water surface is salvaged recording geometry and is recovered on the ship from the water surface, the observation data in the data acquisition unit is downloaded in the hard disk of computing machine for the laboratory inner analysis.Therefore, traditional deep-sea subsea anchor is that recording geometry exists and system need be fetched water surface research ship and could obtain the time-consuming of observational data and (fetch recording geometry from the seabed of 4000 meters of the depth of waters, as sea situation when good, need the time more than at least 3 hours), effort defectives such as (recovery operations of winch and manpower on the ship).Existing subsea anchor is that the characteristics of recording geometry are: have only the data that will could obtain after the system recoveries to be observed.There is following defective in present long-term under water ocean weather station observation system: (1) ocean weather station observation data information just can obtain after needing recording geometry to reclaim, this needs higher ship and personal expenditures to the observation data data of obtaining of deep-sea submarine observation investigation at every turn; Can't regulate as the case may be when (2) scope is worked under water/control temporarily; (3) can't carry out the coordination observation work of multisystem in the regional area, for example with autonomous robot (AUV), distance type robot (ROV) joint observation and communication under water.
Summary of the invention
Goal of the invention of the present invention is to overcome above-mentioned deficiency, and a kind of automatic monitoring apparatus for submarine permanent anchor system in deep sea is provided, and it is that the anchor of fixing a point for a long time under water automatically that can utilize the acoustics mechanics of communication to carry out the real-time Transmission of data is an observation device.Owing in the geochemistry and biological study in the hydrothermal activity district in seabed, need badly and carry out continuously long-term rather than of short duration observation of moment.Device of the present invention will be adapted to actual demand, its will with automatic robot (AUV) under water, systems such as manned deep-sea vehicle, underwater remote-control robot (ROV) and water surface float carry out message exchange by the underwater wireless acoustic signal, finish the remote transmission and the acceptance of the logical and steering order of observation data data; Research ship, water surface float and satellite by the water surface are real-time transmitted to the laboratory, land with observational data; Simultaneously a plurality of devices can be formed networked underwater observations system in the seabed, to realize long-term real time comprehensive observations such as the three-dimensional of a certain specific region such as geochemistry, biology, geophysicses.
The objective of the invention is to realize by following technical scheme, developed a kind of automatic monitoring apparatus for submarine permanent anchor system in deep sea, it comprises: the observation framework that is not subjected to displacement in the seabed by pouring weight anchor ingot, on this framework, install and be integrated with sensor, observation instrument, the data acquisition unit system module that contains independent embedded data communication interface, the wireless acoustics of long distance is recuperated under medical treatment detuner and battery.Described data acquisition unit system module is connected with the data communication system module; Be that 8 bit parallel digital interfaces in the W78E58B single-chip microcomputer in the data communication system module directly are connected with 8 bit digital modules A DAM5051 in the data acquisition unit system module; This communication system module will be from the observation data after this collector systems resume module, be transferred in the wireless acoustic modem of long distance by serial line interface, be connected with external computing machine by Intel PXA-250 200/400MHz microprocessor in this data acquisition unit system module and the standard serial interface RS232 that itself comprised under water by this acoustic modem again, and this data dissemination is arrived a distant place or external computing machine waterborne.
Described data communication system module is an autonomous system, it comprises: the W78E58B single-chip microcomputer of low-power consumption, bus extended chip 74LS373, the program run watchdog circuit, large-capacity data is preserved circuit and serial port expanded circuit, system interface co-ordination control circuit, driving circuit that programming device EPM7032 constitutes, with and line output be converted to the 16C550 interface chip of serial output; Described W78E58B single-chip microcomputer is connected with Intel PXA-250 200/400MHz microprocessor in this system module by the AMI-120 number bus interface in the data acquisition unit system module and ADAN5051 numeral parallel interface; This W78E58B single-chip microcomputer also is connected with the wireless acoustic modem of long distance by the RS232 serial of MAX232 chip for driving and standard.
Described program run watchdog circuit, it comprises: have the W78E58B single-chip microcomputer of communications protocol and data management function program, be connected with on this microcontroller bus clock circuit DS12887 chip and by have WatchDog Timer concurrently, the x25045 chip of reset timer and three kinds of functions of EEPROM.
Described large-capacity data is preserved circuit, and it is to constitute the data with data memory module by this single-chip microcomputer by data storing RAM chip 62256 to preserve circuit.
Described serial port expanded circuit, it is made of 16C550 chip and EPM7032 programming device, this 16C550 chip is converted to serial output with the output of 8 bit parallels, and provides the RS232 serial logic signaling interface of standard to be connected with the wireless acoustics medical treatment of long distance detuner by chip MAX232.
Described length is recuperated under medical treatment detuner apart from acoustics, and it is two underwater sounds medical treatment detuners, and one of them acoustic modem is provided with for the communication of the wireless transmission instruction and data of realizing horizontal direction; Another acoustic modem is provided with for the communication of the wireless transmission instruction and data of realizing vertical direction.
Good effect of the present invention is: for realizing the long-term observation purpose to a certain position in the water body.In the observation framework of this device in vertical direction with horizontal direction on each integrated acoustic modem, vertical communication distance is ten thousand metres.Two acoustic modems link to each other with the data acquisition unit system module of observation in the framework.Therefore the data observed of each sensor are carried out comprehensive improvement by the data acquisition unit system module, are realized the wireless transmission of long distance then by acoustic modem.This device throw in and reclaimer operation simple, from research ship, system dropped into the seawater and gets final product.This apparatus system is that to rely on anchor be that the negative buoyancy force that is produced of pouring weight sinks to the seabed.When underwater observations experiment finishes, by inquiry the vocal command on the ship to the acoustics release emission release order.The acoustics release is carried out immediately and is returned the water surface with the unhook of pouring weight behaviour recording geometry automatically under the positive buoyancy effect of ball float and can be recycled on the research ship.Because the data acquisition unit system module of this device only has a microprocessor (CPU), it handles resource-constrained, its microprocessor need be gathered and control all the sensors and instrument, handle very poor that the real-time cause system easily and concurrency become as carrying out communication more simultaneously, even may produce the phenomenon of packet loss in the communication process, because data acquisition and control and data communication belong to asynchronous real-time task; Secondly, the data acquisition unit of each node exists the model of the microprocessor that is adopted and the difference of operating system, the design of the bitcom of each node needs to carry out the specific aim exploitation according to different system, has brought the complicacy of system design and has caused the reusability that causes design to reduce.So device of the present invention has adopted independent embedded datacom chip and data acquisition unit to carry out integrated data acquisition unit system module form, be divided into two big modules according to the difference of function: data acquisition unit system module and data communication system module.By independent design and debugging exploitation respectively, reduced cost of development and the fabrication cycle and the cost of apparatus system of the present invention like this.In addition owing to adopt the standard interface design to realize the connection of each module, make be convenient between each module interconnected.Because the interface of the underwater wireless acoustic modem product that is adopted is a serial RS232 communication port, the communication circuit module in this device has also designed dual serial RS232 and acoustic modem carries out communication.
For improving the accuracy of data transmission, reduce the bit error rate, device of the present invention adopts the seabed to form a planar network topological structure by a plurality of " recording geometry nodes " in the horizontal direction, and the communication from the seabed to the water surface can only be finished by unique one " base station under water ".The data communication module of each " recording geometry node " has only a underwater sound modulator-demodular unit, and this acoustic modem can only carry out data transmission and the acceptance on the horizontal direction; And " base station under water " is mounted with two underwater sound modulator-demodular units, and data that are used on the horizontal direction send and acceptance, and data transmission and acceptance on another only responsible vertical direction.Two " underwater observations node " carries out communication in the horizontal direction with " base station under water " respectively, and after " base station under water " can gather the data of each " node ", carry out data transmission and reception on the vertical direction by the acoustic modem on the base station again, carry out communication with the buoy and the research ship of the water surface, thereby realized the data transmission in underwater 3 D space.
Device of the present invention is adapted to geochemistry in the hydrothermal activity district in seabed and the actual demand in the biological study, its design feature is, because " node " only carries out the communication of horizontal direction, both only utilized a underwater sound modulator-demodular unit, for the structure that each " node " uses two acoustic modems, reduced the power supply of acoustic modem and attacked consumption.The anchor of fixing a point under water of the present invention be the recording geometry device can with AUV, manned deep-sea vehicle, ROV carry out the collection of communication and data, therefore can realize three-dimensional real time comprehensive observation, thoroughly solve the observation data that exists in the long-term ocean weather station observation equipment in current deep-sea under water and do not possessed real-time, observation mission and problem such as can not adjust a certain specific region; Make this device be adapted to various deep-seas undersea detection task, for example, the deep-sea is marine physics, thalassochemistry, sea life, biological chemistry etc. under water, for the exploratory development of China's deep-sea resources provides favourable technical support.That this underwater observations device has is simple in structure, practical, can realize the deep-sea characteristics such as wireless telecommunications, automaticity height of data under water.
Description of drawings
Fig. 1 is the block diagram of automatic monitoring apparatus for submarine permanent anchor system in deep sea.
Fig. 2 is concrete application example synoptic diagram (is automatic observation device and one monitoring network system formed of automatic robot under water by two playscript with stage directions anchors).
Fig. 3 is the block diagram of the wireless observation communication system of automatic monitoring apparatus for submarine permanent anchor system in deep sea.
The circuit diagram of the wireless observation communication system of Fig. 4 automatic observation device.
Embodiment
Observation device description of drawings of the present invention such as Fig. 1---4: the automatic monitoring apparatus for submarine permanent anchor system in deep sea of making, it comprises shown in Figure 1: ball float 1, observation framework 2, the acoustic modem 3 of vertical direction, horizontal direction acoustic modem 4, acoustics release 5, anchor is heavy by fast 6, power-supply battery 7 under water, data acquisition unit system module 8, observation sensor 9.Wherein observe framework 2 provide lift-launch and system integration platform for each sensor and instrument.Power supply 7 is presided over for each instrument and equipment in this framework 2 provide the energy under water, sensor 9 records under water running parameter and with data transmission in data acquisition unit system module 8.It is to grind the embedded PCM-7220 module of commercialization that magnificent company produces that the present invention adopts data acquisition unit system module 8, its specific performance is as follows: contain Intel PXA-250 200/400MHz processor, have 32M Flash, 64M SDRAM storage facilities, prepackage win CE/Linux operating system, integrated 4 serial communications, 2 usb data communication interfaces have the AMI-120 expansion bus.This data acquisition unit system module 8 is handled the data of sensors observe.Underwater sound modulator-demodular unit 3 and in case receive the control corresponding instruction and send to immediately in the data acquisition unit system module 8, data acquisition unit system module 8 is carried out immediately according to the interrupt request coding and is carried out corresponding interrupt service routine, for example, log-on data sends and changes sampling interval etc.Adopting underwater sound modulator- demodular unit 3 or 4 is products of U.S. LinkQuest company, and it selects model for use is UWM6000, and the working depth scope is ten thousand metres, and the radius of clean-up is 4000 meters, and high transmission speed (baud rate) is 9600byte/second; Frequency of operation 17KHz; The bit error rate is less than 10
-7
Anchor of the present invention is the embodiment of the wireless observation communication system of automatic observation device, be described below in conjunction with Fig. 3,4 block diagram and circuit diagram: the observation framework 2 that is not subjected to displacement in the seabed by pouring weight 6 anchor ingots, on this framework 2, install and be integrated with observation sensor 9, the data acquisition unit system module 8 that contains independent embedded data communication interface, the wireless acoustics of long distance is recuperated under medical treatment detuner 3,4 and power-supply battery 7.Described data acquisition unit system module 8 is connected with data communication system module 13; Be that eight bit parallel digital interfaces in the W78E58B single-chip microcomputer in the data communication system module 13 directly are connected with ADAM5051 eight digit number word modules 8.1 in the data acquisition unit system module 8; Observation data after this communication system module 13 will be handled from this collector systems module 8, be transferred in the long distance wireless acoustic modem 3 or 4 by serial line interface, by the Intel PXA-250 200/400MHz microprocessor in this data acquisition unit system module 8 data are carried out communication under water by this acoustic modem 3 or 4 again and connect, and the observation data of sensor is propagated on a distant place or the water surface research ship receiving equipment.Because the underwater sound modulator-demodular unit of U.S. LinkQuest company all adopts the serial communication interface (RS232) of standard, so communication system module 13 must have 2 serial ports.Because this data communication system module 13 can cooperate data acquisition module W78E58B single-chip microcomputer to have only a serial line interface (RXD and TXD), for the submarine observation system that carries out horizontal communication is enough, and this system only connects a underwater sound modulator-demodular unit 3 or 4.For the underwater communication base station, need two underwater sound modulator-demodular units 3 and the 4 communication coordination of tasks of finishing on horizontal direction and the vertical direction.Therefore, the present invention has adopted an asynchronous communication chip (UART) 16C550 to become the serial port communication mode from the conversion of signals of W78E58B single-chip microcomputer parallel port, uses for another underwater sound modulator-demodular unit.Therefore, finish the data transmission and the communication function of underwater wireless acoustic modem 3 or 4 by a single-chip microcomputer.
Described data communication system module 13 is autonomous systems, it comprises: the W78E58B single-chip microcomputer of low-power consumption, bus extended chip 74LS373, the program run watchdog circuit, large-capacity data is preserved circuit and serial port expanded circuit, system interface co-ordination control circuit, driving circuit that programming device EPM7032 constitutes, with and line output be converted to the 16C550 interface chip of serial output; Described W78E58B single-chip microcomputer is by AMI-120 number bus interface and ADAM5051 eight digit number word modules 8.1 in the data acquisition unit system module 8---and digital parallel interface is connected with IntelPXA-250 200/400MHz microprocessor in this system module 8; This W78E58B single-chip microcomputer also is connected with the wireless acoustic modem of long distance by the RS232 serial of MAX232 chip for driving and standard.
Described program run watchdog circuit, it comprises: have the W78E58B single-chip microcomputer of communications protocol and data management function program, be connected with on this microcontroller bus clock circuit DS12887 chip and by have WatchDog Timer concurrently, the x25045 chip of reset timer and three kinds of functions of EEPROM.
Described large-capacity data is preserved circuit, and it is to constitute the data with data memory module by this single-chip microcomputer by data storing RAM chip 62256 to preserve circuit.
Described serial port expanded circuit, it is made of 16C550 chip and EPM7032 programming device, this 16C550 chip is converted to serial output with the output of 8 bit parallels, and provide the RS232 serial logic signaling interface of standard and the wireless acoustics medical treatment of long distance detuner 3,4 to connect by chip MAX232.
Because the present invention has adopted the communications protocol of Ethernet, therefore need temporal information to judge in official hour, whether can carry out communication.Therefore adopt clock chip DS12887 to provide clock to system, the single-chip microcomputer per second obtains temporal information there from clock chip, utilizes the time that serial communication interface is controlled.For guaranteeing to have reliable historical record in transmission with in receiving, adopted 62256 data storing RAM chip in the data communication system module 13 in data.Because above-mentioned asynchronous communication chip, clock chip and data storing RAM chip all carry out data transmission by data bus, in design, adopt time-sharing multiplexing technology, therefore the chip selection signal that utilizes programmable chip EPM7032 to produce carries out the coordination of each chip operation, makes them can shared data and address bus.Chip MAX232 provides the serial line interface level of standard.In order to guarantee the reliability of single-chip microcomputer control section itself, increased the X25045 device in the system.The X25045 chip has WatchDog Timer concurrently, timer and three kinds of functions of EEPROM reset.WatchDog Timer provides the independent protection system to microprocessor, in case break down, RESET can make response, makes microprocessor restart work.
Described length is apart from acoustics medical treatment detuner 3,4, and it be two underwater sounds medical treatment detuners 3,4, and one of them acoustic modem 4 is provided with for the communication of the wireless transmission instruction and data of realization horizontal direction; Another acoustic modem 3 is provided with for the communication of the wireless transmission instruction and data of realizing vertical direction.
As shown in Figure 2: by fixed point anchor system and one at the bottom of two Taiwan Straits under water automatic robot (AUV) 16 form a level monitoring network system.Horizontal direction acoustic modem 4 in the seabed fixed point anchor system is set up the communication network contact with the acoustic modem (not drawing among the figure) among the automatic robot (AUV) 16 under water.Can directly carry out the mutual communication of data or instruction at the bottom of two Taiwan Straits between the fixed point anchor system, can accept simultaneously steering order again from (AUV) 16, by accepting to carry out the conversion in sensor sample cycle from the instruction of (AUV) 16, also duty, the observation data of sensor in each seabed fixed point anchor system can be sent among (AUV) 16 simultaneously.Formed sea-bed area horizontal networks recording geometry thus.Dotted line 12 is the signal of communication transmission channel among the figure.
Anchor of the present invention is that the concrete principle of work of automatic observation device is described below:
Anchor of the present invention is that the observation sensor 9 that automatic observation device adopts is to be produced by U.S. RDI company, and model is the deep-sea ocean current profile surveying instrument of WH300, and its ocean current profile that mainly carries out the deep-sea is measured (flow velocity and the flow direction).After carrying out filtering and processing and amplifying from the simulating signal of survey sensor 9 through signal conditioning circuit,, digital quantity is transferred to carries out delivering to storer after the acquisition process in the Intel PXA-250200/400MHz microprocessor in the data acquisition unit system module 8 and store with after digital quantizer becomes digital quantity with analog signal conversion through simulation.This little processing can be connected with the computing machine 14 in the external world by serial line interface, the isoparametric setting of acquisition interval, sample frequency that realizes observation data by computing machine 14 before input.And the W78E58B single-chip microcomputer in data communication system module 13 directly is connected by 13 bit digital bus interface and Intel PXA-250 200/400MHz microprocessor in the data acquisition unit system module 8 and carries out communication, can be transferred in acoustic modem 3 or 4 by serial port handle the back from the observation data in the data acquisition unit system module 8, data be propagated into a distant place under water with the form of sound wave by acoustic modem 3 or 4; Simultaneously, steering order from a distant place, for example change the sampling interval of sensor 9 etc., also can accept and differentiate and explains, convert the packet of acceptance to digital signal and be sent in the Intel PXA-250 200/400MHz microprocessor in the data acquisition unit system module 8 by serial port by acoustic modem 3 or 4 according to corresponding communications protocol; Again (promptly by the W78E58B single-chip microcomputer in the data communication system module 13, another microprocessor) parameter that will change is sent in the Intel PXA-250 200/400MHz microprocessor in the data acquisition unit system module 8 by digital interface circuit, this microprocessor will be adjusted former control according to the parameter that is received.Because two microprocessors (Intel PXA-250 200/400MHz microprocessor and W78E58B single-chip microcomputer) are two independently systems at ordinary times, each microprocessor is all carried out task separately.For example the Intel PXA-250 200/400MHz microprocessor in the data acquisition unit system module 8 mainly carries out the data acquisition and the control of sensor; And the W78E58B single-chip microcomputer in the data communication module 13 (another microprocessor) mainly is control of carrying out communications protocol and acoustic modem etc.For setting up two synchronous communication contacts between the microprocessor, two microprocessing systems devices adopt interrupt request line 15 to get in touch.Again for example, after W78E58B single-chip microcomputer in the data communication system module 13 (another microprocessor) receives the signal from acoustic modem 3 or 4, to send interrupt request singal by the IntelPXA-250 200/400MHz microprocessor of interrupt request line 15 in data acquisition unit system module 8, after W78E58B single-chip microcomputer in this data communication module 13 (another microprocessor) receives interrupt request singal, start the interrupt request executive routine immediately, this program will be sent the signal that receives data to data communication system module 13 by digital interface, handle to the received signal simultaneously.
Those of ordinary skill in the art can understand, and in protection scope of the present invention, makes amendment for the foregoing description, and it all is possible adding and replacing, and it does not all exceed protection scope of the present invention.
Claims (5)
1. automatic monitoring apparatus for submarine permanent anchor system in deep sea, it comprises: the observation framework that is not subjected to displacement in the seabed by pouring weight anchor ingot, on this framework, install and be integrated with sensor, observation instrument, the data acquisition unit system module that contains independent embedded data communication interface, long apart from acoustic modem and battery, it is characterized in that: described data acquisition unit system module is connected with the data communication system module; Be that 8 bit parallel digital interfaces in the W78E58B single-chip microcomputer in the data communication system module directly are connected with 8 bit digital modules A DAM5051 in the data acquisition unit system module; This communication system module will be from the observation data after this collector systems resume module, be transferred to long apart from the acoustic modem by serial line interface, be connected with external computing machine by the standard serial interface RS232 that Intel PXA-250 200/400MHz microprocessor in the data acquisition unit system module and data acquisition unit system module are comprised under water apart from acoustic modem by this length again, and this data dissemination is arrived a distant place or external computing machine waterborne.
2. according to the described automatic monitoring apparatus for submarine permanent anchor system in deep sea of claim 1, it is characterized in that: described data communication system module is an autonomous system, it comprises: the W78E58B single-chip microcomputer of low-power consumption, bus extended chip 74LS373, the program run watchdog circuit, large-capacity data is preserved circuit and serial port expanded circuit, system interface co-ordination control circuit, driving circuit that programming device EPM7032 constitutes, with and line output be converted to the 16C550 interface chip of serial output; Described W78E58B single-chip microcomputer is connected with IntelPXA-250 200/400MHz microprocessor in this data acquisition unit system module by the AMI-120 number bus interface in the data acquisition unit system module and ADAM5051 numeral parallel interface; This W78E58B single-chip microcomputer also adopts the RS232 standard serial interface to be connected apart from acoustic modem with long by the MAX232 chip for driving.
3. according to the described automatic monitoring apparatus for submarine permanent anchor system in deep sea of claim 2, it is characterized in that: described large-capacity data is preserved circuit, and it is to constitute the data with data memory module by this single-chip microcomputer by data storing RAM chip 62256 to preserve circuit.
4. according to the described automatic monitoring apparatus for submarine permanent anchor system in deep sea of claim 2, it is characterized in that: described serial port expanded circuit, it is made of 16C550 chip and EPM7032 programming device, this 16C550 chip is converted to serial output with the output of 8 bit parallels, and provides the RS232 serial logic signaling interface of standard to be connected apart from acoustic modem with long by chip MAX232.
5. according to claim 1, each described automatic monitoring apparatus for submarine permanent anchor system in deep sea in 4, it is characterized in that: described length is apart from acoustic modem, it is two underwater sound modulator-demodular units, and one of them acoustic modem is provided with for the communication of the wireless transmission instruction and data of realizing horizontal direction; Another acoustic modem is provided with for the communication of the wireless transmission instruction and data of realizing vertical direction.
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| CN114025003A (en) * | 2021-10-28 | 2022-02-08 | 青岛海洋科学与技术国家实验室发展中心 | Intermediate device of underwater detection sensor |
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| JPH05223923A (en) * | 1992-02-18 | 1993-09-03 | Oki Electric Ind Co Ltd | Method and apparatus for detecting buried structure |
| DE4329466A1 (en) * | 1993-09-01 | 1995-03-02 | Horst Dipl Ing Wiendl | Wireless transmission of video and audio signals in connection with camcorder located within an underwater housing |
| CN2439036Y (en) * | 2000-09-26 | 2001-07-11 | 中国地质大学（北京） | Two-component subsea and earth electric-field instrument assembly |
| CN2812158Y (en) * | 2005-08-02 | 2006-08-30 | 中国海洋大学 | Submarine device for long-term automatic observation of deep sea anchor system |
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- 2005-08-02 CN CNB2005100442008A patent/CN100397432C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05223923A (en) * | 1992-02-18 | 1993-09-03 | Oki Electric Ind Co Ltd | Method and apparatus for detecting buried structure |
| DE4329466A1 (en) * | 1993-09-01 | 1995-03-02 | Horst Dipl Ing Wiendl | Wireless transmission of video and audio signals in connection with camcorder located within an underwater housing |
| CN2439036Y (en) * | 2000-09-26 | 2001-07-11 | 中国地质大学（北京） | Two-component subsea and earth electric-field instrument assembly |
| CN2812158Y (en) * | 2005-08-02 | 2006-08-30 | 中国海洋大学 | Submarine device for long-term automatic observation of deep sea anchor system |
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