SU959010A1 - Surfacing probe for measuring water hydrophysical parameters - Google Patents

Description

The invention relates to the studies of the World Ocean and can be used to measure the hydrophysical parameters of sea water from both surface vessels and underwater vehicles.

A bathtermosonde is known for measuring the vertical profile of temperature and pressure of water in the ocean. The principle of information transmission is carried out by the frequency-pulse method. The temperature signals are transmitted over the two-water line in the form of a sequence of pulses of positive polarity, and the pressure signals are also transmitted in the form of a sequence of pulses, but with a negative polarity and with a different duty cycle. The onboard circuit contains two identical frequency meters tuned to different polarities of pulses 1.

However, when the ship is pumped from the rough seas, the information being measured is lost, the larger the wave, the greater the ship's rolling motion and the greater the loss of the measured information. To determine the salinity, one needs to know the magnitude of the conductivity, temperature and pressure. This bathtermotor does not allow the definition of these parameters, with the exception of temperature and pressure.

Closest to the proposed / invention is a probe for studying the surface layer of the ocean, which includes a hull, two sealed plugs and a ballast electromagnet, which is connected to the ship's side by cable 2.

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The disadvantage of this probe is that when using multiple wires connected to the probe and the ballast electromagnet, it is impossible to measure at great depths, since the wires are twisted. It is also known that with a change in temperature, the change in electrical conductivity, as well as the measurement of electrical conductivity without additional recording of temperature, leads to unreliable information. Determination of hydrostatic pressure, provided in the probe by calculation

25, when the latter is ascending, is inaccurate, since the velocity of ascent is uneven.

The purpose of the invention is to expand the functional and national possibilities of the pop-up

Claims (2)

30 probe. The goal is achieved by the fact that the pop-up probe, which contains the body, two covers, a ballast electromagnet, a float and a cable for transmitting information and power, is additionally equipped with a pressure measuring channel with a pressure sensor, which is located at the bottom of the box. the walls of the oil chamber of the pressure sensor simultaneously serve as the central magnetic conductor of the electromagnet, which is located inside the housing. The housing is additionally equipped with a rod, the lower part of which is fastened to the upper part and ti float rod fixed measuring sensors. The pressure measuring channel is connected in parallel with the measuring channels of temperature and electrical conductivity and the outputs of the measuring channels of temperature and electrical conductor are connected to the inputs of voltage-frequency transducers sinusoidal oscillations, the outputs of all measuring channels are connected to the inputs of the adder frequency signals whose output is connected via cable to the channel filter inputs simultaneously with the control device, the outputs of the channel filters are connected to the inputs of the channel decoders, at the same time you The filter strokes are connected to a channel switch, the output of which is connected to the input of a frequency meter, the output of which is connected to the input of a transcriptor, the output of which is connected to the recorder, and the outputs of the decoders are connected to an analog recorder. Figure 1 shows the pop-up probe section; figure 2 is the same, bottom view; on fig.Z - block diagram of the probe. The section shows the bottom lid of the bayonet-and-lock type, a pressure sensor 2 is screwed into it. Inside the key there is a winding 3 of a permanent electromagnet and a hole 4 for the output of the wires of the electromagnet winding. On the bottom cover 5 and b are shown sealing rings designed to seal the zone housing “yes, sealing ring 7, designed so that the oil from the oil chamber 8 does not fall into the body and does not leak, and the oil-resistant rubber 9 serves as a membrane and At the same time, it prevents water from entering through the bore 10 and the water channel 11 located in the body of the ballast binder 12. Bolts 13 and 14 are used to fasten the cover 15 and compress the rubber 9. To seal the electromagnet winding, a layer of bitumen 16 or epoxy resin is poured . The pop-up probe includes a housing 17, a top lid 18 of a bayonet-lock type, a latch 19 for locking the lid in the desired position, a sealing gland for the cable 20, a communication cable 21, a rod 22- that serves to fasten the floats 23, 24- 26, replaceable floats are designed to change the ascent rate, a pressure plate 27, a clamp 28, a sensor protection device 29, a transition tube with flanges 30, a conductivity sensor 31, a temperature sensor 32. In order for the probe not to rotate during the ascent, it is equipped with stabilizers 33-36, contains a lower cap 37 and a ballast weight 38 (Fig. 2). The flow chart 39 of the pop-up probe contains a thermal thermometer 40, a temperature meter 41, an electrical conductivity sensor 42 (a capillary transformer conductivity meter), an electrical conductivity meter 43, voltage-frequency transducers | 44 and 45, a pressure sensor 46, a pressure measuring circuit 47, an adder 48 frequency signals, control device 49, designed to reset ballast load by a command from device 50, channel filters 51, 52 and 53, power supply unit 54, channel decoders 55, 56 and 57, switch 58, frequency meter 59, transcriptor 60, numbers the printing machine 61, the perforator 62, the analog recorder 63, the two-wire communication line 64. Blocks 40-50 are in the pop-up probe, and from 51-64 are on board the vessel and in the side rack. When applied to a power supply unit 54 of an alternating voltage of 220V, 50 Hz, the probe is ready for operation. The subsea part of the probe popup is powered by a constant voltage over a two-wire communication line. The signals are received simultaneously by sensing sensors and, after appropriate matching, are fed to the measuring channels and then converted to a useful signal at a frequency in blocks from the measuring channel of pressure, the signals arrive at the input of the frequency signal accumulator 48, from the output of which signals are received from the communication line 64 and through the communication line Signals are protruded into channel filters 51-53, and from channel filters are fed to decoders 55-57, which extract the signal in a constant voltage circuit for continuous analog registration 63, simultaneously with the output of the channel filters 51-53, the signals go to the channel switch 58, from the channel switch 58, the signals go to a digital frequency meter 59, from the output of which the signals go to the transcriptor 60 and from the output of the transcriptor 60, the signals are periodically recorded at the request of the operator 61 digital printing machine or perforator 62. Taking into account the possibility of a pop-up probe with its mg-inertia sensors and with sufficient resolution, it is possible to register the speed of sound, density and salinity . Expanding the functionality of the probe according to the invention with the addition of missing measuring channels for determining the parameter of sound speed, density and salinity improves the quality of measurement of hydrophysical parameters of water. Claims of the Invention A floating probe for measuring {hydrophysical parameters of water, comprising a float body, an electromagnet and a cable for transmitting information and power, is required so that, in order to extend the functionality, the pop-up probe is additionally supplied from The pressure measuring channel with a pressure sensor, which is located in the lower part of the body, the side walls of the oil chamber of the pressure sensor simultaneously serve as the central magnetowire of the electromagnet, which is located inside the body, which AA is further provided with the rod, the bottom of which is bonded to the top cover and on top of the float rod are fixed and measuring sensors. Sources of information taken into account in the examination 1. Comprehensive studies of the oceans. T.2.- Physical oceanologists, oceanologic equipment. M., USSR Academy of Sciences, Institute of Oceanology im.P.Shirshov, 1979, pp. 250-253. 2. Vershinsky N.V., Soloviev A.V. Probe for studying the ocean surface layer. The Shirshov Institute of Oceanology of the Academy of Sciences of the USSR. - Oceanologists, No. 2, 1977, p. 388-363 (prototype).