CN211121598U

CN211121598U - Hydrophone

Info

Publication number: CN211121598U
Application number: CN201922172053.2U
Authority: CN
Inventors: 夏涛; 赵大刚; 韩红宾
Original assignee: First Institute of Oceanography MNR
Current assignee: First Institute of Oceanography MNR
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-07-28
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a hydrophone, including the cabin body, two cabin covers, power and audio subassembly, two cabin covers are sealed at cabin body both ends, the power sets up in the cabin body, the audio subassembly includes audio acquisition and storage module, under water microphone and watertight joint, audio acquisition and storage module set up in the cabin body and are connected with the power electricity, watertight joint wears to establish on a cabin cover, under water the microphone cover establish in watertight joint and gather with the audio frequency and be connected with the storage module electricity. The method is low in cost, suitable for batch production and beneficial to cluster arrangement.

Description

Hydrophone

Technical Field

The utility model relates to the field of machinary, especially, relate to a hydrophone.

Background

The hydrophone converts acoustic signals into electric signals to receive acoustic signals in water, and is commonly used in a plurality of fields such as marine exploration, channel monitoring, pipe network monitoring, underwater navigation, marine organism monitoring and the like. At present, the hydrophones mainly use piezoelectric ceramics and optical fibers, and are limited by processing technology, so that the manufacturing cost is high, and the clustered arrangement of the hydrophones is limited to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a hydrophone, which is low in cost, suitable for mass production and beneficial to the cluster-type arrangement.

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

The utility model provides a hydrophone, includes the cabin body, two cabin covers, power and audio assembly, and two cabin covers are sealed at cabin body both ends, the power sets up in the cabin body, audio assembly includes audio acquisition and storage module, microphone and watertight joint under water, audio acquisition and storage module set up in the cabin body and are connected with the power electricity, the watertight joint is worn to establish on a cabin cover, the microphone cover is established in the watertight joint under water and is connected with the storage module electricity with audio acquisition.

Preferably, the audio module further comprises a sealing plug, the sealing plug is arranged at the front end of the watertight connector in a sealing mode.

Preferably, a fixing frame is arranged in the cabin, and the power supply and the audio acquisition and storage module are arranged on the fixing frame.

Preferably, a waterproof ring is further arranged at the joint of the cabin cover and the cabin body.

Preferably, the buoyancy assembly comprises an electromagnetic valve, a reaction cabin, a material pipe and a floating ball, wherein the electromagnetic valve, the reaction cabin, the material pipe and the floating ball are arranged in the cabin body, the floating ball covers the cabin body, one end of the electromagnetic valve is communicated with one end of the material pipe, the other end of the electromagnetic valve is communicated with the reaction cabin, the other end of the material pipe penetrates through the wall of the cabin body, an isolation membrane is arranged between the material pipe and the floating ball, and the electromagnetic valve is electrically connected with a power.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses in, no matter be audio acquisition and storage module or be low-cost accessory such as microphone under water, just the utility model discloses simple structure is suitable for mass production, does benefit to its cluster formula and lays.

Drawings

FIG. 1 is a schematic diagram of a hydrophone structure in a preferred embodiment of the present invention;

Wherein, 1 is a cabin body, 11 is a fixing frame, 2 is a cabin cover, 21 is a waterproof ring, 3 is a power supply, 41 is an audio acquisition and storage module, 42 is an underwater microphone, 43 is a watertight connector, 44 is a sealing plug, 5 is a timing switch, 61 is an electromagnetic valve, 62 is a material pipe, 63 is a reaction cabin, and 64 is a floating ball.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, for the utility model discloses a hydrophone in the preferred embodiment, including the cabin body 1, two cabin covers 2, power and audio frequency subassembly, two cabin covers 2 are sealed at 1 both ends in the cabin body, power 3 sets up in the cabin body 1, the audio frequency subassembly includes audio frequency collection and storage module 41, under water microphone 42 and watertight joint 43, audio frequency collection and storage module 41 set up in the cabin body 1 and are connected with power 3 electricity, watertight joint 43 wears to establish on a cabin cover 2, under water microphone 42 cover establish in watertight joint 43 and with audio frequency collection and storage module 41 electricity be connected. The utility model discloses in, no matter be audio acquisition and storage module 41 or be low-cost accessory such as microphone 42 under water, just the utility model discloses simple structure is suitable for mass production, does benefit to its cluster formula and lays.

Specifically, the audio assembly further includes a sealing plug 44, the sealing plug 44 is disposed at the front end of the watertight connector 43, and preferably, the sealing plug 44 may be epoxy resin filled on the watertight connector 43, so as to further ensure the waterproof performance thereof.

Specifically, in order to ensure the stability of the structure in the hydrophone, a fixing frame 11 is arranged in the chamber body 1, and the power supply 3 and the audio acquisition and storage module 41 are arranged on the fixing frame 11.

Specifically, a waterproof ring 21 is further arranged at the joint of the cabin cover 2 and the cabin body 1, so that the sealing performance of the cabin body 1 is further ensured, and the service life of the cabin body is ensured.

Specifically, the hydrophone further comprises a buoyancy assembly, the buoyancy assembly comprises an electromagnetic valve 61, a reaction chamber 63, a material pipe 62 and a floating ball 64, the electromagnetic valve 61, the reaction chamber 63, the material pipe 62 and the floating ball 64 are arranged in the chamber body 1, the floating ball is wrapped outside the chamber body 1, one end of the electromagnetic valve 61 is communicated with one end of the material pipe 62, the other end of the electromagnetic valve is communicated with the reaction chamber 63, the other end of the material pipe 62 penetrates through the wall of the chamber body 1, an isolation membrane is arranged between the material pipe 62 and the floating ball 64, and. In the initial state, no gas is in the floating ball 64 and the floating ball is attached to the cabin 1; chemicals such as sodium bicarbonate and acid which can generate a large amount of gas are prevented from being generated in the material pipe 62 and the reaction chamber 63, when the hydrophone needs to float, the electromagnetic valve 61 is opened, so that the reactants in the material pipe 62 are injected into the reaction chamber 63, the gas generated in the reaction chamber 63 breaks through the isolation membrane under the action of air pressure, the gas is filled into the floating ball 64, the hydrophone is taken out of the water surface under the action of the buoyancy of the floating ball 64, and the recovery and the maintenance of the hydrophone are facilitated.

Specifically, the electromagnetic valve 61 can be connected with the power supply 3 through the timing switch 5, and the timing switch 5 can accurately control the floating time. The electromagnetic valve 61 can also be electrically connected with the audio acquisition and storage module 41, and when the audio acquisition and storage module 41 is fully stored, the electromagnetic valve 61 is controlled to be opened to finish the floating operation.

The utility model discloses in, no matter be audio acquisition and storage module 41 or be low-cost accessory such as microphone 42 under water, just the utility model discloses simple structure is suitable for mass production, does benefit to its cluster formula and lays.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims

1. The hydrophone is characterized by comprising a cabin body, two cabin covers, a power supply and an audio assembly, wherein the two cabin covers are sealed at two ends of the cabin body, the power supply is arranged in the cabin body, the audio assembly comprises an audio acquisition and storage module, an underwater microphone and a watertight connector, the audio acquisition and storage module is arranged in the cabin body and is electrically connected with the power supply, the watertight connector is arranged on one cabin cover in a penetrating manner, and the underwater microphone is sleeved in the watertight connector and is electrically connected with the audio acquisition and storage module.

2. The hydrophone of claim 1, wherein the audio module further comprises a sealing plug sealingly disposed at a front end of the watertight connector.

3. The hydrophone of claim 1, wherein a mount is disposed within the chamber, and wherein the power supply and audio acquisition and storage module are disposed on the mount.

4. The hydrophone of claim 1, wherein a waterproof ring is further provided at the junction of the lid and the body.

5. The hydrophone of any one of claims 1-4, further comprising a buoyancy module, wherein the buoyancy module comprises an electromagnetic valve, a reaction chamber, a material tube and a floating ball, the electromagnetic valve, the reaction chamber, the material tube and the floating ball are arranged in the chamber, the floating ball covers the chamber, one end of the electromagnetic valve is communicated with one end of the material tube, the other end of the electromagnetic valve is communicated with the reaction chamber, the other end of the material tube penetrates through the chamber wall, an isolation membrane is arranged between the material tube and the floating ball, and the electromagnetic valve is electrically connected with a power supply.