CN216848141U

CN216848141U - Portable receiving sonar test equipment

Info

Publication number: CN216848141U
Application number: CN202220123505.7U
Authority: CN
Inventors: 曹正; 陶光勇; 徐超峰; 石晖晴; 张�林; 汪洋; 伍珏
Original assignee: Changsha Branch Of China Science Great Wall Ocean Information System Co ltd
Current assignee: Changsha Branch Of China Science Great Wall Ocean Information System Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-06-28
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to a portable receiving sonar test device, which comprises a containing box, a notebook computer, an underwater loudspeaker, an audio power amplifier, a thermometer, a converter and a mobile power supply, wherein the notebook computer, the underwater loudspeaker, the audio power amplifier, the thermometer, the converter and the mobile power supply are arranged in the containing box; during testing, the notebook computer is connected with the audio power amplifier, the audio power amplifier and the depth thermometer are connected with the underwater loudspeaker, and the depth thermometer is connected with the notebook computer through the converter; the portable power source is provided with two paths of output and supplies power to the audio power amplifier and the notebook computer respectively, and the underwater loudspeaker is a passive underwater loudspeaker. The test equipment is simple in structure and easy to operate, meets test requirements, and saves test cost.

Description

Portable receiving sonar test equipment

Technical Field

The utility model relates to a sonar test technical field especially relates to a portable collection of mail sonar test equipment.

Background

Underwater acoustic communication is an important means for mutual communication between surface ships (transmitting signals) and submarines (receiving signals). The transmitting sonar is additionally arranged on the surface ship, the receiving sonar is additionally arranged on the bow or the side of the submarine, and the submarine needs to be subjected to function test after being additionally provided with the receiving sonar, so that the normal function indexes of the equipment are ensured. Generally, a shore-based command post is required to send shore-based command information to a surface ship through a satellite, the surface ship sends an underwater acoustic communication message to a submarine through a sending and receiving device, and the receiving sonar of the submarine receives the underwater acoustic communication message. And resources such as water surface ships, sending and receiving are mobilized to carry out the test of the receiving sonar, the cost is very high, and the test time is very inflexible.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Based on the problem, the utility model provides a portable collection of mail sonar test equipment solves the collection of mail sonar test inconvenient, the problem with high costs of installing additional on the submarine.

(II) technical scheme

Based on the technical problem, the utility model provides a portable collection of mail sonar test equipment, including containing box, and place in notebook computer, underwater loudspeaker, audio frequency power amplifier and portable power source in the containing box; during testing, the notebook computer is connected with an audio power amplifier, and the audio power amplifier is connected with an underwater loudspeaker; the notebook computer is used for generating audio signals, the audio power amplifier is used for driving the underwater loudspeaker to produce sound, the underwater loudspeaker is used for sending sound wave signals to be received by the receiving sonar, the power supply has double-path output and respectively supplies power to the audio power amplifier and the notebook computer, and the underwater loudspeaker is a passive underwater loudspeaker.

Furthermore, the model of the underwater loudspeaker is UWS-015, and the size of the underwater loudspeaker is 200mm 35 mm.

Further, the model of the audio power amplifier is SMSL SA-36A pro, and the size of L W H is 150mm 92mm 43 mm.

Furthermore, the notebook computer is of a thinpad L3 type, and the size of L W H is 330mm 200mm 17.6 mm.

Further, the mobile power supply is a graphene lithium iron phosphate battery, and the size L W H is 180mm 136mm 68 mm.

Furthermore, the portable receiving sonar test equipment further comprises a thermometer and a converter which are placed in the containing box, wherein the thermometer is connected with a notebook computer through the converter and is used for automatically uploading the depth, the temperature and the concentration of the position where the underwater loudspeaker is located to the notebook computer in real time.

Furthermore, the type of the thermometer is CTD48M, a lithium battery is arranged in the thermometer for power supply, the thermometer is cylindrical in shape, the length of the thermometer is 15cm, and the diameter of the ground is 5 cm; the converter is an RS 485-to-USB converter, the model is YF-D1, and the size of L W H is 60mm 25mm 10 mm.

Furthermore, the containing box is divided into three layers, namely an upper layer, a middle layer and a lower layer, the notebook computer, the power adapter thereof and the converter are arranged on the upper layer, the audio power amplifier, the thermometer and the battery are arranged on the middle layer, the underwater loudspeaker, the lead thereof and the signal wire connected with the thermometer are arranged on the lower layer, and the size L W H is 600mm 500mm 400 mm.

Furthermore, a hole is formed in a middle-layer rear shell of the containing box, and a connecting wire hole is formed in the upper layer of the containing box.

Further, during testing, the underwater loudspeaker and the thermometer are placed at 6 meters underwater.

(III) advantageous effects

The above technical scheme of the utility model has following advantage:

(1) the utility model discloses a test equipment sends different underwater acoustic communication messages through notebook computer, audio frequency power amplifier, underwater loudspeaker for simulate the sonar of sending a letter, so that realize the convenient test of the sonar of receiving a letter, make the quay test demand after satisfying the sonar of receiving a letter and installing the submarine additional, simple structure easily operates, also need not to mobilize resources such as surface of water naval vessel, sending a letter and accomodate, use no time restriction, practiced thrift the test cost;

(2) the utility model detects the depth of water, temperature and concentration of the underwater loudspeaker by the depth thermometer which is put into water together with the underwater loudspeaker, and uploads the depth of water, temperature and concentration to the notebook computer in real time, thereby providing the transmission environment data of sound wave signals and ensuring the effectiveness of the function test of the receiving sonar;

(3) the utility model discloses a test equipment passes through the containing box and loads for test equipment conveniently carries easy storage.

Drawings

The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:

fig. 1 is a block diagram of a portable receiving sonar test device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a storage box of the portable receiving sonar test device according to an embodiment of the present invention;

fig. 3 is the utility model discloses a portable receipts letter sonar test equipment's the inside schematic diagram of accomodating of containing box.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model discloses a portable receiving sonar test device, which comprises a containing box, a notebook computer, an underwater loudspeaker, an audio power amplifier, a thermometer, a converter and a mobile power supply, wherein the notebook computer, the underwater loudspeaker, the audio power amplifier, the thermometer, the converter and the mobile power supply are arranged in the containing box; during testing, as shown in fig. 1, the notebook computer is connected with the audio power amplifier, the audio power amplifier is connected with the underwater loudspeaker, the notebook computer is also connected with the thermometer through the converter, the notebook computer is used for generating audio signals, the audio power amplifier is used for driving the underwater loudspeaker to sound, the underwater loudspeaker is used for sending sound wave signals to be received by the receiving sonar, the mobile power supply has two-way output and respectively supplies power to the audio power amplifier and the notebook computer, the underwater loudspeaker is a passive underwater loudspeaker, the underwater loudspeaker and the thermometer are placed at 6 meters underwater, and the notebook computer stores audio files capable of changing parameters such as message types, signal frequencies, signal duty ratios, signal rates and the like.

The underwater loudspeaker is a passive underwater loudspeaker, the type is UWS-015, the size is 200mm (L) 200mm (W) 35mm (H), the weight is about 2.1kg, the length of the lead is 10m, the underwater loudspeaker can normally work under water by 8m, the rated power is 20W, and the underwater loudspeaker meets the requirements of water depth and power of wharf testing;

the audio power amplifier is in a model of SMSL SA-36A pro, has the size of 150mm (L) 92mm (W) 43mm (H), has the weight of 0.9kg, has the output power less than or equal to 20W, and is matched with the model of the underwater loudspeaker;

the notebook computer is in a Thinkpad L3 model, has the size of about 330mm (L) 200mm (W) 17.6mm (H), has the weight of 1kg, has the rechargeable battery capacity of 45w h, and can support the work for 2 to 5 h;

the battery adopts a graphene lithium iron phosphate battery, the size is 180mm (L) 136mm (W) 68mm (H), the weight is 1kg, the battery has double-path output, one path of 45W is used for supplying power to a notebook computer, the other path of 20W is used for supplying power to an audio power amplifier, and the battery can work for 1h simultaneously; under general conditions, the notebook is provided with a rechargeable battery and can work for about 3 hours, the battery can support the audio power amplifier to work for 3 hours, the wharf test time after the receiving sonar is added with the submarine is generally 0.8 hour, and the battery capacity meets the wharf test requirement.

The type of the thermometer is CTD48M, built-in lithium battery power supply, and the appearance is the cylinder, and length 15cm, ground diameter 5cm can real-time test depth of water, temperature, concentration, through RS485 and external communication, because depth of water, temperature, concentration can influence the transmission of sound wave signal, through depth of water, temperature, the concentration of the position that the thermometer real-time test underwater loudspeaker is located, be favorable to guaranteeing the validity of collection of mail sonar test.

The converter is an RS 485-to-USB converter, is YF-D1, has the size of about 60mm (L) 25mm (W) 10mm (H), and is a communication interface converter between the notebook and the thermometer.

The storage box is customized according to the sizes of the underwater loudspeaker, the audio power amplifier, the battery and the notebook computer, the size is about 600mm (L) 500mm (W) 400mm (H), and the weight is about 6kg, as shown in figures 2 and 3, the storage box is divided into an upper layer, a middle layer and a lower layer, the notebook computer and a power adapter and a converter thereof are arranged on the upper layer, a connecting wire hole is arranged on the upper layer, the audio power amplifier, the thermometer and the battery are arranged on the middle layer, the rear shell of the middle layer is provided with a hole, so that the audio power amplifier is led out, the underwater loudspeaker is connected with the test notebook computer, the underwater loudspeaker and a lead thereof are arranged on the lower layer, and a signal wire connected with the thermometer is arranged on the lower layer. The bottom of the containing box is provided with universal wheels.

When sonar testing is carried out, the notebook computer and the underwater loudspeaker are taken out of the containing box, the notebook computer is placed on the containing box, the underwater loudspeaker and the thermometer are placed at 6 meters underwater, the audio power amplifier is connected with the battery, the audio power amplifier is connected with the notebook computer and the underwater loudspeaker through a hole in the rear shell, if the notebook computer needs to be charged, the notebook computer is connected with the battery through the hole in the rear shell, and the battery can be used for charging the notebook computer when the notebook computer is not in operation; then, operating the notebook computer, playing the stored audio file, amplifying the audio signal by an audio power amplifier and then driving an underwater loudspeaker to sound, transmitting the information to a measured receiving sonar by a sound wave signal through a medium of water, simultaneously receiving the information of water depth, water temperature, concentration and the like detected by the thermometer in real time through a converter and storing the information in the computer, accumulating ocean data and preparing for subsequent data analysis; and changing parameters such as message types, signal frequency, signal duty ratio, signal speed and the like in the audio file to complete the function test of the receiving sonar.

In summary, the portable sonar testing device has the following advantages:

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.

Claims

1. A portable receiving sonar test device is characterized by comprising a containing box, a notebook computer, an underwater loudspeaker, an audio power amplifier and a mobile power supply, wherein the notebook computer, the underwater loudspeaker, the audio power amplifier and the mobile power supply are placed in the containing box; during testing, the notebook computer is connected with an audio power amplifier, and the audio power amplifier is connected with an underwater loudspeaker; the portable power source is provided with two paths of output and supplies power to the audio power amplifier and the notebook computer respectively, and the underwater loudspeaker is a passive underwater loudspeaker.

2. The portable sonar testing device of claim 1, wherein the underwater speaker is of the type UWS-015 and has a dimension of 200mm x 35 mm.

3. The portable sonar testing device of claim 2, wherein the audio amplifier is of the type SMSL SA-36A pro, and wherein L W H is 150mm 92mm 43 mm.

4. The portable sonar testing device of claim 3, wherein the laptop computer is model number thinpad L3, and wherein L W H is 330mm 200mm 17.6 mm.

5. The portable sonar testing device of claim 4, wherein the mobile power source is a lithium iron phosphate graphene battery with an L W H dimension of 180mm 136mm 68 mm.

6. The portable sonar testing device of claim 5, further comprising a depth thermometer and a transducer disposed within the receptacle, the depth thermometer being connected to a laptop computer via the transducer for automatically uploading the depth, temperature and concentration of the underwater speaker to the laptop computer in real time.

7. The portable sonar testing device of claim 6, wherein the thermometer is CTD48M, is powered by a lithium battery, and has a cylindrical shape with a length of 15cm and a ground diameter of 5 cm; the converter is an RS 485-to-USB converter, the model is YF-D1, and the size of L W H is 60mm 25mm 10 mm.

8. The portable sonar testing device of claim 7, wherein the housing box has three upper, middle and lower layers, the upper layer houses the laptop and its power adapter and converter, the middle layer houses the audio power amplifier, the thermometer and the battery, the lower layer houses the underwater speaker and its leads and signal wires connecting the thermometer, and the dimension LWH is 600mm 500mm 400 mm.

9. The portable sonar testing device of claim 8, wherein the rear housing of the storage box is perforated and the storage box is provided with wire holes in the upper layer.

10. The portable sonar testing device of claim 6, wherein the underwater speaker and the depth gauge are positioned 6 meters underwater during testing.