CN211877221U

CN211877221U - Device for measuring underwater sound velocity

Info

Publication number: CN211877221U
Application number: CN202020672260.4U
Authority: CN
Inventors: 陈新; 肖志伟; 吕冰冰; 江峦; 陈路
Original assignee: Hunan Guotian Electronic Technology Co ltd
Current assignee: Hunan Guotian Electronic Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-11-06
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a measure device of sound velocity under water relates to sound velocity profiler technical field, for solving current sound velocity profiler when putting in the more waters of barrier, is twined by debris such as pasture and water easily, is difficult to the problem of withdrawing. The sound velocity profiler comprises a sound velocity profiler body and is characterized in that a waterproof joint is arranged at one end of the sound velocity profiler body, a circuit cable is installed at one end of the waterproof joint, a watertight shell is arranged on the outer wall of the sound velocity profiler body, blades are installed on the periphery of the outer wall of the watertight shell, sawtooth strips are arranged on the outer wall of each blade, the sawtooth strips and the blades are of an integrated structure, a probe mounting seat is arranged at the other end of the sound velocity profiler body, a temperature sensing probe, a ringing sensing probe and a pressure sensing probe are installed inside the probe mounting seat, and the ringing sensing probe comprises a transmitting transducer, a receiving transducer and an oscillator.

Description

Device for measuring underwater sound velocity

Technical Field

The utility model relates to a sound velocity profiler technical field specifically is a measure device of sound velocity under water.

Background

The sound velocity is one of important ocean acoustic parameters, and accurate measurement of the sound velocity is the basis of sonar accurate distance measurement. The device can provide real-time sound velocity profile data for underwater acoustic equipment such as a depth finder, sonar, an underwater sound standard and the like to correct measurement errors quickly, effectively and conveniently, has the characteristics of high precision, high reaction speed and the like, and is indispensable equipment in the fields of sea-way measurement, ocean investigation, national defense application and research and the like. The sound velocity profiler mainly obtains the sound velocity by measuring and recording the total time of the sound signal which makes a round trip for a plurality of times within a fixed known distance, and in the operation, the method of averaging the measurement results for a plurality of times is also adopted to improve the measurement precision.

However, when the existing sound velocity profiler is thrown in a water area with more obstacles, the existing sound velocity profiler is easily entangled by sundries such as aquatic weeds and is difficult to withdraw; therefore, the existing requirements are not met, and a device for measuring the underwater sound velocity is provided for the purpose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measure device of sound velocity under water to when solving the more waters of barrier of the current sound velocity profiler that proposes in the above-mentioned background art, twined by debris such as pasture and water easily, be difficult to the problem of withdrawing.

In order to achieve the above object, the utility model provides a following technical scheme: a device for measuring underwater sound velocity comprises a sound velocity profiler main body, wherein a waterproof joint is arranged at one end of the sound velocity profiler main body, a circuit cable is installed at one end of the waterproof joint, a watertight shell is arranged on the outer wall of the sound velocity profiler main body, blades are installed on the periphery of the outer wall of the watertight shell, sawtooth strips are arranged on the outer wall of each blade, the sawtooth strips and the blades are of an integral structure, a probe installation seat is arranged at the other end of the sound velocity profiler main body, a temperature sensing probe, a ringing sensing probe and a pressure sensing probe are installed inside the probe installation seat, the ringing sensing probe comprises a transmitting transducer, a receiving transducer and an oscillator, the output end of the transmitting transducer is electrically connected with the input end of the receiving transducer, the output end of the receiving transducer is electrically connected with the input end of the oscillator, the output of oscillator and the input electric connection of transmitting transducer, the one end of probe mount pad is provided with the visor, the one end of visor is provided with the response notch, the internally mounted of sound velocity profiler main part has RISC treater and high performance lithium cell.

Preferably, the blade is fixedly connected with the watertight housing through a blade mounting seat, and the blade mounting seat is connected with the watertight housing in a welding manner.

Preferably, the temperature sensing probe, the ringing sensing probe and the pressure sensing probe are in threaded connection with the probe mounting seat through screw holes, and sealing gaskets are mounted at the joints of the temperature sensing probe, the ringing sensing probe and the pressure sensing probe and the screw holes.

Preferably, the probe mounting seat is in threaded connection with the sound velocity profiler main body through a screw, and a rubber sealing ring is mounted at the joint of the probe mounting seat and the sound velocity profiler main body.

Preferably, the temperature sensing probe, the ringing sensing probe and the pressure sensing probe are all in bidirectional electrical connection with the RISC processor.

Preferably, the RISC processor is electrically connected with the control terminal in a bidirectional way through a circuit cable.

Preferably, the output end of the high-performance lithium battery is electrically connected with the input end of the RISC processor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an at the three sawtooth rack blades of externally mounted of sound velocity profiler main part, the blade passes through mount pad and screw and casing fixed, easy dismounting can cut it off when meetting barriers such as pasture and water, avoids influencing the detection effect, and can prevent to lead to the phenomenon that the device is difficult to retrieve to take place because of the winding of pasture and water.

2. The temperature sensing probe, the ringing sensing probe and the pressure sensing probe are in threaded connection with the probe mounting seat through the screw holes, the mounting mode of threaded connection is convenient to replace and maintain, and the temperature sensing probe, the ringing sensing probe and the pressure sensing probe can be replaced according to the current mainstream sensor model by the connection mode so as to meet the detection requirements of different ranges.

3. The protective cover is arranged at the lower end of the probe mounting seat, so that when the protective cover is submerged in the sound velocity profiler, the probe part is protected from being impacted by foreign objects, and the lower end of the protective cover is provided with the induction notch, so that the normal use of the sensing probe is not influenced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the probe mounting structure of the present invention;

FIG. 3 is a schematic diagram of the present invention;

in the figure: 1. a sound velocity profiler body; 2. a watertight housing; 3. a waterproof joint; 4. a circuit cable; 5. a blade; 6. a sawtooth strip; 7. a blade mount; 8. a probe mounting base; 9. a screw; 10. a rubber seal ring; 11. a temperature sensing probe; 12. a ringing sensing probe; 121. a transmitting transducer; 122. a receiving transducer; 123. an oscillator; 13. a pressure sensing probe; 14. a protective cover; 141. an induction notch; 15. a screw hole; 16. a sealing gasket; 17. a RISC processor; 18. a high performance lithium battery.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a device for measuring underwater sound velocity comprises a sound velocity profiler main body 1, one end of the sound velocity profiler main body 1 is provided with a waterproof joint 3, one end of the waterproof joint 3 is provided with a circuit cable 4, the outer wall of the sound velocity profiler main body 1 is provided with a watertight shell 2, blades 5 are all arranged on the periphery of the outer wall of the watertight shell 2, the outer wall of each blade 5 is provided with a sawtooth rack 6, the sawtooth racks 6 and the blades 5 are of an integral structure, the sawtooth racks 6 can enhance the cutting force of the blade 5 part, the other end of the sound velocity profiler main body 1 is provided with a probe mounting seat 8, a temperature sensing probe 11, a ringing sensing probe 12 and a pressure sensing probe 13 are arranged in the probe mounting seat 8, the ringing sensing probe 12 comprises a transmitting transducer 121, a receiving transducer 122 and an oscillator 123, the output end of the transmitting transducer 121 is electrically connected with the input end of the receiving, the output of receiving transducer 122 and the input electric connection of oscillator 123, the output of oscillator 123 and the input electric connection of transmitting transducer 121, the one end of probe mount pad 8 is provided with visor 14, visor 14 can protect the probe part when dive, the one end of visor 14 is provided with response notch 141, response notch 141 can avoid sheltering from the sensing probe, the internally mounted of sound velocity profiler main part 1 has RISC treater 17 and high performance lithium cell 18, high performance lithium cell 18 can provide the electric energy for the operation of device.

Further, blade 5 passes through blade mount pad 7 and watertight casing 2 fixed connection, and blade mount pad 7 and watertight casing 2 welded connection, and blade 5 can cut it off when obstacles such as pasture and water meet at the sound velocity profiler, avoids influencing the detection effect, or because of the phenomenon emergence that the winding of pasture and water leads to being difficult to retrieve.

Further, temperature sensing probe 11, ring sound sensing probe 12 and pressure sensing probe 13 all pass through

screw

15 and 8 threaded connection of probe mount pad, and install seal ring 16 with the junction of screw 15, threaded connection's mounting means, easy dismounting, the seal ring 16 of junction can effectively promote water-proof effects, this connected mode makes temperature sensing probe 11, ring sound sensing probe 12 and pressure sensing probe 13 can change according to current mainstream sensor model, in order to satisfy the detection demand of different ranges.

Further, the probe mounting base 8 is in threaded connection with the sound velocity profiler main body 1 through a screw 9, a rubber seal ring 10 is installed at the joint of the probe mounting base 8 and the sound velocity profiler main body 1, and the probe mounting base 8 is detachable, so that the inside of the sound velocity profiler main body 1 can be conveniently overhauled.

Further, the temperature sensing probe 11, the ringing sensing probe 12 and the pressure sensing probe 13 are all electrically connected with the RISC processor 17 in a bidirectional manner, and the RISC processor 17 can send signals to the temperature sensing probe 11, the ringing sensing probe 12 and the pressure sensing probe 13, so that the current temperature, sound velocity and depth information can be detected by the RISC processor 17 and fed back to the RISC processor 17.

Further, the RISC processor 17 is electrically connected to the control terminal in a bidirectional manner through the circuit cable 4, and the RISC processor 17 can transmit the received temperature, sound velocity, and depth information to the control terminal through the circuit cable 4.

Further, the output end of the high-performance lithium battery 18 is electrically connected with the input end of the RISC processor 17, and the high-performance lithium battery 18 can provide electric power for the operation of the internal elements of the acoustic velocity profiler main body 1.

The working principle is as follows: when in use, the sound velocity profiler body 1 is put into a water area to be detected, a control terminal sends a signal to the RISC processor 17 in the sound velocity profiler to drive the temperature sensing probe 11, the ringing sensing probe 12 and the pressure sensing probe 13 to operate, and the temperature, sound velocity and depth information of the current environment is detected, wherein the ringing sensing probe 12 consists of a transmitting transducer 121, a receiving transducer 122 and an oscillator 123, the transmitting transducer 121 can send out initial sound pulses under the excitation of electric signals, sound waves reach a reflecting surface through a channel with fixed length in water and then are reflected back to the receiving transducer 122, received echoes are transmitted into a feedback circuit of the oscillator 123 to trigger the transmitting transducer 121 again, so that a series of pulses are formed by circulation, and more accurate sound velocity information is obtained, and the detected information can be fed back to the RISC processor 17 again, and transmit to control terminal through circuit cable 4, conveniently look over, the externally mounted of sound velocity profiler main part 1 has three saw tooth bar 6 blades 5, can when meetting barriers such as pasture and water, cut it off, avoid influencing the detection effect, or because of the phenomenon emergence that the pasture and water winding leads to being difficult to retrieve, the temperature sensing probe 11 of device, ring sound sensing probe 12 and pressure sensing probe 13 all through threaded connection's mode dismouting, the convenience is changed according to current mainstream sensor model, in order to satisfy the detection demand of different ranges.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An apparatus for measuring underwater sound velocity, comprising a sound velocity profiler body (1), characterized in that: the acoustic velocity profiler is characterized in that a waterproof joint (3) is arranged at one end of an acoustic velocity profiler main body (1), a circuit cable (4) is installed at one end of the waterproof joint (3), a watertight shell (2) is arranged on the outer wall of the acoustic velocity profiler main body (1), blades (5) are installed on the periphery of the outer wall of the watertight shell (2), sawtooth strips (6) are arranged on the outer wall of the blades (5), the sawtooth strips (6) and the blades (5) are of an integral structure, a probe mounting seat (8) is arranged at the other end of the acoustic velocity profiler main body (1), a temperature sensing probe (11), a ringing sensing probe (12) and a pressure sensing probe (13) are installed inside the probe mounting seat (8), the ringing sensing probe (12) comprises a transmitting transducer (121), a receiving transducer (122) and an oscillator (123), the output end of the transmitting transducer (121) is electrically connected with the input end of the receiving transducer (122), the output of receiving transducer (122) and the input electric connection of oscillator (123), the output of oscillator (123) and the input electric connection of transmitting transducer (121), the one end of probe mount pad (8) is provided with visor (14), the one end of visor (14) is provided with response notch (141), the internally mounted of sound velocity profiler main part (1) has RISC treater (17) and high performance lithium cell (18).

2. The apparatus for measuring speed of sound underwater according to claim 1, wherein: the blade (5) is fixedly connected with the watertight shell (2) through a blade mounting seat (7), and the blade mounting seat (7) is connected with the watertight shell (2) in a welding mode.

3. The apparatus for measuring speed of sound underwater according to claim 1, wherein: the temperature sensing probe (11), the ringing sensing probe (12) and the pressure sensing probe (13) are in threaded connection with the probe mounting seat (8) through screw holes (15), and sealing gaskets (16) are mounted at the joints of the temperature sensing probe, the ringing sensing probe and the pressure sensing probe and the screw holes (15).

4. The apparatus for measuring speed of sound underwater according to claim 1, wherein: the sound velocity profiler is characterized in that the probe mounting seat (8) is in threaded connection with the sound velocity profiler main body (1) through a screw (9), and a rubber sealing ring (10) is mounted at the joint of the probe mounting seat (8) and the sound velocity profiler main body (1).

5. The apparatus for measuring speed of sound underwater according to claim 1, wherein: the temperature sensing probe (11), the ringing sensing probe (12) and the pressure sensing probe (13) are all in bidirectional electrical connection with the RISC processor (17).

6. The apparatus for measuring speed of sound underwater according to claim 1, wherein: the RISC processor (17) is electrically connected with the control terminal in a bidirectional way through a circuit cable (4).

7. The apparatus for measuring speed of sound underwater according to claim 1, wherein: the output end of the high-performance lithium battery (18) is electrically connected with the input end of the RISC processor (17).