CN216818060U - Signal transmission device of underwater transmitting transducer - Google Patents
Signal transmission device of underwater transmitting transducer Download PDFInfo
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- CN216818060U CN216818060U CN202220088395.5U CN202220088395U CN216818060U CN 216818060 U CN216818060 U CN 216818060U CN 202220088395 U CN202220088395 U CN 202220088395U CN 216818060 U CN216818060 U CN 216818060U
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Abstract
The application relates to a signal transmission device of an underwater transmitting transducer, which comprises: the power amplifier is connected with the signal source through the watertight cable; the signal source is connected with the power amplifier, the power amplifier is connected with the input end transformer, the input end transformer is connected with the output end transformer through a watertight cable, and the output end transformer is connected with the underwater transmitting transducer; the electric signal output by the signal source is input to a power amplifier, amplified by the power amplifier, transmitted to an input end transformer for boosting to obtain a high-voltage signal, and transmitted to an output end transformer through a watertight cable; and the high-voltage signal is output to an underwater transmitting transducer for energy conversion after being subjected to voltage reduction through an output end transformer. The signal transmission device of the underwater transmitting transducer provided by the embodiment improves the power of the acoustic signal output by the underwater transmitting transducer.
Description
Technical Field
The utility model relates to the technical field of transducers, in particular to a signal transmission device of an underwater transmitting transducer.
Background
The underwater transmitting transducer plays a vital role in the underwater acoustic technology, such as the application in the field of active sonar remote detection, the field of submarine resource exploration, the field of underwater noise simulation, the field of underwater acoustic communication, the field of hydrophone calibration and the like. In various fields of application of the underwater transmitting transducer, high requirements are provided for the power of an acoustic signal transmitted by the transmitting transducer. Common underwater transmitting transducers need to convert electric signals into acoustic signals so as to realize excitation of the transmitting transducers, and high-power electric signals need to be transmitted to the underwater transmitting transducers in order to realize high-power acoustic signal transmission. The electric signal transmission process of the traditional underwater transmitting transducer generates signals for a signal source on the water surface, and the signals are transmitted to the underwater transmitting transducer through a watertight cable with the length of hundreds of meters to thousands of meters after the power of the signals is amplified by a power amplifier, so that the excitation of the transmitting transducer is realized;
since underwater transmitting transducers are typically used at depths of hundreds of meters and even thousands of meters, electrical signals need to be transmitted through watertight cables of hundreds of meters in length. The impedance of the transmitting transducer is generally lower and is in the same order of magnitude as that of the watertight cable, and a power amplifier with lower output impedance is generally selected. The traditional mode that relies on the high-power signal of telecommunication of watertight cable direct transport, the wire power loss that high-power signal produced on the watertight cable is great, consequently leads to the signal of telecommunication to change the conversion efficiency of acoustic signal low, and then leads to launching transducer transmitting power lower, the emission cost improvement scheduling problem under water.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem or at least partially solve the above technical problem, the present invention provides a signal transmission apparatus of an underwater transmitting transducer.
The present embodiment provides a signal transmission device of an underwater transmitting transducer, including: the power amplifier is connected with the signal source through the watertight cable; the signal source is connected with the power amplifier, the power amplifier is connected with the input end transformer, the input end transformer is connected with the output end transformer through the watertight cable, and the output end transformer is connected with the underwater transmitting transducer; the electric signal output by the signal source is input to the power amplifier, amplified by the power amplifier, transmitted to the input end transformer for boosting to obtain a high-voltage signal, and transmitted to the output end transformer through the watertight cable; and the high-voltage signal is subjected to voltage reduction through the output end transformer and then is output to the underwater transmitting transducer for energy conversion.
Optionally, the input end transformer is a step-up transformer, and the frequency coverage audio frequency range of the input end transformer is 20Hz to 20 kHz.
Optionally, the watertight cable is composed of a metal watertight connector and a cable.
Optionally, the metal watertight connector comprises: the underwater transmitting energy converter comprises a metal plug, a metal socket, a plug sealing end cover and a socket sealing end cover, wherein the metal socket is fixed on an input end transformer, an output end transformer and an underwater transmitting energy converter shell, the metal plug and a cable are fixed and sealed, the metal plug and the metal socket are connected through a metal locking cap, the plug sealing end cover is used for protecting the metal plug, and the socket sealing end cover is used for protecting the metal socket.
Optionally, the cable is composed of twisted pair conductors, a shielding wire, a filler wire, a water blocking glue, and a protective sleeve.
Optionally, the cable is composed of 3 twisted pairs, each twisted pair is composed of two twisted pairs, a shielding wire and a filling wire, the outer side of the 3 twisted pairs is filled with 4 filling wires, the outermost layer is a protective sleeve, and gaps between the wires in the protective sleeve are filled with water-blocking glue.
Compared with the prior art, the technical scheme provided by the embodiment of the utility model has the following advantages:
the signal transmission device of the underwater transmitting transducer provided by the embodiment of the utility model comprises: the power amplifier is connected with the signal source through the watertight cable; the signal source is connected with the power amplifier, the power amplifier is connected with the input end transformer, the input end transformer is connected with the output end transformer through the watertight cable, and the output end transformer is connected with the underwater transmitting transducer; the electric signal output by the signal source is input to the power amplifier, amplified by the power amplifier, transmitted to the input end transformer for boosting to obtain a high-voltage signal, and transmitted to the output end transformer through the watertight cable; and the high-voltage signal is subjected to voltage reduction through the output end transformer and then is output to the underwater transmitting transducer for energy conversion. The signal transmission device of transmitting transducer under water that this embodiment provided for through two sets of potential device for wire loss power greatly reduced on the watertight cable has consequently promoted the transduction efficiency of signal of telecommunication conversion for acoustic signal, has improved the acoustic signal power of transmitting transducer output under water, has reduced transmitting transducer's emission cost under water. The defects of the traditional device for directly conveying the high-power electric signals are overcome.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic diagram of a basic structure of an alternative signal transmission device for an underwater transmitting transducer according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a basic structure of a signal transmission device of yet another alternative underwater transmitting transducer provided by an embodiment of the utility model;
FIG. 3 is a schematic diagram of the basic structure of the components of a metal watertight connector according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a basic structure of a cable according to an embodiment of the present invention;
description of reference numerals:
1. a signal source; 2. a power amplifier; 3. an input end transformer; 4. a watertight cable; 5. an output end transformer; 6. an underwater launch transducer; 71. a metal plug; 72. a metal socket; 73. the plug seals the end cap; 74. a socket sealing end cap; 81. twisting a conductor; 82. a shielded wire; 83. filling the line; 84. water-blocking glue; 85. a protective sleeve; 86. and a shielding layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Fig. 1 is a signal transmission device of an underwater transmitting transducer 6 according to an embodiment of the present invention, and as shown in fig. 1, the signal transmission device of the underwater transmitting transducer 6 includes: the device comprises a signal source 1, a power amplifier 2, an input end transformer 3, a watertight cable 4 and an output end transformer 5; the signal source 1 is connected with the power amplifier 2, the power amplifier 2 is connected with the input end transformer 3, the input end transformer 3 is connected with the output end transformer 5 through the watertight cable 4, and the output end transformer 5 is connected with the underwater transmitting transducer 6; the electric signal output by the signal source 1 is input to the power amplifier 2, amplified by the power amplifier 2, transmitted to the input end transformer 3 for boosting to obtain a high-voltage signal, and transmitted to the output end transformer 5 through the watertight cable 4; and the high-voltage signal is subjected to voltage reduction through the output end transformer 5 and then is output to the underwater transmitting transducer 6 for energy conversion.
It will be appreciated that the signal source 1, power amplifier 2, input transformer 3, watertight cable 4, output transformer 5, underwater transmitting transducer 6 are connected together as shown in figure 2. The process of high-power signal transmission comprises the steps that an electric signal generated by a signal source 1 is firstly amplified through a power amplifier 2, then the voltage of the electric signal is boosted through an input end transformer 3, the high-voltage electric signal is transmitted to the underwater through a watertight cable 4, and finally the high-voltage electric signal is reduced through an output end transformer 5 and then is output to an underwater transmitting transducer 6 for energy conversion. Wherein, the output impedance of the power amplifier 2 is lower and is in the same order of magnitude with the impedance of the watertight cable 4 and the underwater transmitting transducer 6. The high-power electric signal output by the power amplifier 2 has the characteristics of lower voltage and larger current, and plays a role of outputting energy to the underwater transmitting transducer 6 in a centralized manner.
In some examples of the present embodiment, the input end transformer 3 is a step-up transformer, and the frequency coverage audio frequency range of the input end transformer 3 is 20Hz to 20kHz, it should be understood that the present embodiment does not limit the frequency coverage audio frequency range of the input end transformer 3, and can be flexibly set by related personnel; it should be understood that the input transformer 3 includes therein: the ratio of the number of turns of the primary coil to the number of turns of the secondary coil is not limited in this embodiment and can be flexibly set by the relevant personnel, and preferably, in some examples, the ratio of the number of turns of the primary coil to the number of turns of the secondary coil in the input end transformer 3 is 1:10, and in some examples, the ratio of the number of turns of the primary coil to the number of turns of the secondary coil in the input end transformer 3 is 1: 20.
It should be understood that in some examples, the input transformer 3 can be built into the power amplifier 2, or can be used as a separate boosting module after the power amplifier 2. The core material in the input end transformer 3 includes but is not limited to: at least one of silicon steel sheet and pure iron.
It should be understood that the output transformer 5 is a step-down transformer, and the output transformer 5 is similar to the input transformer 3 in structure, and the positions of the single primary coil and the single secondary coil may be exchanged, and the other structure is similar to the input transformer 3, and in some examples, the output transformer 5 is embedded inside the underwater transmitting transducer 6 as shown in fig. 2; in some examples, the output transformer 5 is used as a separate step-down module before the underwater transmitting transducer 6.
In some examples of this embodiment, the watertight cable 4 is composed of a metal watertight connector and a cable.
In some examples of this embodiment, the metal watertight connector comprises: the underwater transmitting transducer comprises a metal plug 71, a metal socket 72, a plug sealing end cover 73 and a socket sealing end cover 74, wherein the metal socket 72 is fixed on a shell of the input end transformer 3, a shell of the output end transformer 5 and a shell of the underwater transmitting transducer 6, the metal plug 71 is fixed and sealed with a cable, the metal plug 71 is connected with the metal socket 72 through a metal locking cap, the plug sealing end cover 73 is used for protecting the metal plug 71, and the socket sealing end cover 74 is used for protecting the metal socket 72. It should be understood that, in some examples, the output transformer 5 is disposed inside the underwater transmitting transducer 6, and therefore, the metal socket 72 is fixed to the input transformer 3, the output transformer 5 and the underwater transmitting transducer 6 housing; in some examples, when the output transformer 5 is separately provided, the metal socket 72 is fixed to the input transformer 3 and the output transformer housing, and then the input transformer 3 is connected to the underwater transmitting transducer 6.
In some examples of this embodiment, the cable is comprised of twisted pair conductors 81, shielded wires 82, filler wires 83, water blocking glue 84, protective jacket 85.
In some examples of this embodiment, the cable is composed of 3 twisted pairs, each of the twisted pairs is composed of two twisted pairs 81, a shielding wire 82 and a filling wire 83, the outer side of the 3 twisted pairs is filled with 4 filling wires 83, the outermost layer is a protective sheath 85, gaps between various wires in the protective sheath 85 are filled with water-blocking glue 84, and in some examples, the cable further includes a shielding layer 86, and the shielding layer 86 is disposed in the inner layer of the protective sheath 85.
It will be appreciated that the watertight cable 4 is comprised of a metal watertight connector and cable. The metal watertight connector comprises a metal plug 71, a metal socket 72, a plug end seal cover 73, a socket end seal cover 74, as shown in figure 3. The metal watertight connector metal socket 72 is fixed on the input end transformer 3, the output end transformer 5 and the underwater transmitting transducer 6 shell, the metal plug 71 and the cable are fixed and sealed through a vulcanization process, and the metal plug 71 and the socket are connected through a metal locking cap, so that the watertight connector has good watertight performance and environment resistance. The plug sealing end cover 73 is used for protecting the end part of the plug assembly and has a pressure-resistant sealing function. The receptacle seal end cap 74 is used for receptacle assembly end protection and has a pressure tight sealing function. The metal watertight connector material is not limited to stainless steel, brass, titanium alloy, or the like. The cable is an underwater high-flexibility 6-core comprehensive communication watertight cable and consists of a conducting wire, a shielding wire 82, a filling wire 83, a water blocking glue 84 and a protective sleeve 85, and is shown in figure 4. The 6-core wire consists of 3 twisted pairs, each twisted pair consists of two twisted pairs 81, a shielding wire 82 and a filling wire 83, the outer sides of the three twisted pairs are filled with 4 filling wires 83, the outermost layer is a protective sleeve 85, gaps among various wires in the protective sleeve 85 are filled with water-blocking glue 84, and shielding layers 86 are arranged among the gaps among the various wires in the protective sleeve 85 and the water-blocking glue 84. By adopting the twisted pair form, the two twisted pair conductors 81 are connected in parallel, so that the internal resistance of the conductors can be effectively reduced, and the flexibility of the cable is improved. The two twisted pairs of the cable are used as the anode and the cathode of a high-power electric signal for signal transmission, and the other twisted pair of the cable can be used for real-time monitoring of vibration signals detected by an acceleration sensor additionally arranged on the underwater transmitting transducer 6.
The signal transmission device of transmitting transducer under water that this embodiment provided for through two sets of potential device for wire loss power greatly reduced on the watertight cable has consequently promoted the transduction efficiency of signal of telecommunication conversion for acoustic signal, has improved the acoustic signal power of transmitting transducer output under water, has reduced transmitting transducer's emission cost under water. The defects of the traditional device for directly conveying the high-power electric signals are overcome.
It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely illustrative of particular embodiments of the utility model that enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A signal transmission apparatus for an underwater transmitting transducer, the signal transmission apparatus comprising: the power amplifier is connected with the signal source through the watertight cable;
the signal source is connected with the power amplifier, the power amplifier is connected with the input end transformer, the input end transformer is connected with the output end transformer through the watertight cable, and the output end transformer is connected with the underwater transmitting transducer;
the electric signal output by the signal source is input to the power amplifier, amplified by the power amplifier, transmitted to the input end transformer for boosting to obtain a high-voltage signal, and transmitted to the output end transformer through the watertight cable; and the high-voltage signal is subjected to voltage reduction through the output end transformer and then is output to the underwater transmitting transducer for energy conversion.
2. The signal transmission device of an underwater transmitting transducer according to claim 1, wherein the input end transformer is a step-up transformer, and the frequency coverage audio frequency range of the input end transformer is 20Hz-20 kHz.
3. The signal transmission device of an underwater transmitting transducer according to claim 1, wherein the watertight cable is composed of a metal watertight connector and a cable.
4. The signal transmission arrangement of an underwater transmitting transducer according to claim 3, wherein the metal watertight connector comprises: the underwater transmitting energy converter comprises a metal plug, a metal socket, a plug sealing end cover and a socket sealing end cover, wherein the metal socket is fixed on an input end transformer, an output end transformer and an underwater transmitting energy converter shell, the metal plug and a cable are fixed and sealed, the metal plug and the metal socket are connected through a metal locking cap, the plug sealing end cover is used for protecting the metal plug, and the socket sealing end cover is used for protecting the metal socket.
5. The signal transmission device of an underwater transmitting transducer according to claim 3, wherein the cable is composed of twisted pair conductors, shielded wires, filler wires, water-blocking glue and protective sleeves.
6. The signal transmission device of an underwater transmitting transducer as claimed in claim 5, wherein the cable is composed of 3 twisted pairs, each twisted pair is composed of two twisted pairs, a shielding wire and a filling wire, the outer side of the 3 twisted pairs is filled with 4 filling wires, the outermost layer is a protective sleeve, and gaps between the wires in the protective sleeve are filled with water-blocking glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220088395.5U CN216818060U (en) | 2022-01-13 | 2022-01-13 | Signal transmission device of underwater transmitting transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220088395.5U CN216818060U (en) | 2022-01-13 | 2022-01-13 | Signal transmission device of underwater transmitting transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216818060U true CN216818060U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220088395.5U Active CN216818060U (en) | 2022-01-13 | 2022-01-13 | Signal transmission device of underwater transmitting transducer |
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| Country | Link |
|---|---|
| CN (1) | CN216818060U (en) |
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- 2022-01-13 CN CN202220088395.5U patent/CN216818060U/en active Active
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