CN211217400U - Integrated double-frequency transducer - Google Patents
Integrated double-frequency transducer Download PDFInfo
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- CN211217400U CN211217400U CN201921234707.3U CN201921234707U CN211217400U CN 211217400 U CN211217400 U CN 211217400U CN 201921234707 U CN201921234707 U CN 201921234707U CN 211217400 U CN211217400 U CN 211217400U
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- frequency oscillator
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Abstract
The utility model discloses an integration dual-frenquency transducer, it is main including the high frequency oscillator, low frequency oscillator etc, installation seal shell in the installation shell, top installation array frame in the seal shell, installation high frequency oscillator and low frequency oscillator on the array frame, high frequency oscillator and low frequency oscillator top are the sound-transparent radiation face, installation shell bottom connection go-between, the locking ring is connected to the go-between below, the locking ring center has the cable of drawing forth of following the seal shell rear end, three heart yearns of drawing forth the cable are the positive pole of high frequency oscillator respectively, the positive pole and the public negative pole of low frequency oscillator. The integrated design of the dual-frequency transducer of the utility model combines two transducers with different frequencies, and the whole transducer is installed and sealed, thereby realizing the miniaturization and integrated design of the transducer; the depth finder has the characteristics of simple structure, novel design, excellent performance, convenience in use and operation, high reliability and the like, and can meet the requirements of the depth finder of the water surface destroyer for different water depth measurements in the open sea and offshore areas.
Description
Technical Field
The utility model relates to a surface of water naval vessel depth finder transducer design and the field of manufacturing, concretely relates to integration dual-frenquency transducer.
Background
The water surface destroyer usually adopts a double-frequency working mode, and adopts a low-frequency transducer to work under the condition of deep depth of far sea water, so as to realize remote depth measurement; under the condition that the offshore water depth is shallow, the high-frequency transducer is adopted to work, and short-distance accurate depth measurement is realized. Therefore, a low-frequency transducer and a high-frequency transducer are generally required to be installed on the surface destroyer depth finder to work in a matched mode, two installation spaces are structurally required for the two transducers, and signal transmission is required to be carried out through two cables. With the continuous development of underwater acoustic technology, a miniaturized and integrated dual-frequency transducer becomes one of the key technologies for the development of the transducer of the depth finder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide an integration dual-frenquency transducer.
The purpose of the utility model is accomplished through following technical scheme: the integrated double-frequency transducer mainly comprises a high-frequency oscillator, a low-frequency oscillator, an acoustic transmission radiation surface, a basic array frame, a sealing shell, a mounting shell, a connecting ring, a locking ring and a lead-out cable, wherein the sealing shell is mounted in the mounting shell, the basic array frame is mounted at the top in the sealing shell, the high-frequency oscillator and the low-frequency oscillator are mounted on the basic array frame, the high-frequency oscillator is mounted in the center of a piezoelectric ceramic circular ring of the low-frequency oscillator, the acoustic transmission radiation surface is arranged above the high-frequency oscillator and the low-frequency oscillator, the radiation surfaces of the high-frequency oscillator and the low-frequency oscillator are positioned on the same plane, the bottom end of the mounting shell is connected with the connecting ring, the lower end of the connecting ring is connected with the connecting ring, the lead-out cable is led out from the rear end of the sealing locking ring shell in the center of the locking ring, the negative, The high-frequency oscillator is connected with the low-frequency oscillator through a high-frequency capacitor.
The high-frequency vibrator consists of a piezoelectric ceramic wafer, the high-frequency work of 380kHz is realized by utilizing the thickness vibration of the piezoelectric ceramic wafer, the transmitting and receiving of high-frequency sound waves are realized by adopting a transmitting and receiving combined type design, the piezoelectric ceramic surface of the high-frequency vibrator, which is connected with the sound-transmitting radiation surface, is a negative electrode, and the other surface is a positive electrode.
The low-frequency oscillator is formed by connecting three piezoelectric ceramic circular rings in parallel, the longitudinal vibration mode and the receiving and transmitting combined design of the three piezoelectric ceramic circular rings are adopted to realize low-frequency sound wave transmission and reception, the piezoelectric ceramic surface of the low-frequency oscillator connected with the sound transmission radiation surface is a negative electrode, and the rear end surface is a positive electrode.
The array frame is made of polyurethane foam materials and is used as a mounting, positioning, damping and decoupling component of the high-frequency oscillator and the low-frequency oscillator.
The sealed shell is made of copper by navy, the sound-transmitting radiation surface adopts a sealing mode of combining polyurethane pouring and rubber vulcanization, and the lead-out cable is a vulcanized cable and is sealed by an O-shaped ring.
The mounting shell is made of 316L stainless steel materials, two O-shaped rings are arranged on the outer surface of the sealing shell, and six mounting holes are formed in a flange of the mounting shell so as to be mounted and fixed on a naval vessel.
The connecting ring and the locking ring are both made of 316L stainless steel materials.
The utility model has the advantages that: the integrated design of the dual-frequency transducer of the utility model combines two transducers with different frequencies, and the whole transducer is installed and sealed, thereby realizing the miniaturization and integrated design of the transducer; the depth finder has the characteristics of simple structure, novel design, excellent performance, convenience in use and operation, high reliability and the like, and can meet the requirements of the depth finder of the water surface destroyer for different water depth measurements in the open sea and offshore areas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a in fig. 1.
Description of reference numerals: the high-frequency oscillator comprises a high-frequency oscillator 1, a low-frequency oscillator 2, an acoustic radiation transparent surface 3, a base array frame 4, a sealing shell 5, a mounting shell 6, a connecting ring 7, a locking ring 8 and a lead-out cable 9.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example (b): as shown in the attached drawing, the integrated dual-frequency transducer mainly comprises a high-frequency oscillator 1, a low-frequency oscillator 2, an acoustically transparent radiating surface 3, a base array frame 4, a sealing shell 5, an installation shell 6, a connecting ring 7, a locking ring 8 and a leading-out cable 9, wherein the sealing shell 5 is installed in the installation shell 6, the base array frame 4 is installed at the top in the sealing shell 5, the high-frequency oscillator 1 and the low-frequency oscillator 2 are installed on the base array frame 4, and the base array frame 4 is made of polyurethane foam materials and serves as an installation positioning and shock absorption decoupling component of the high-frequency oscillator 1 and the low-frequency oscillator 2. The high-frequency vibrator 1 is arranged in the center of a piezoelectric ceramic ring of the low-frequency vibrator 2, the high-frequency vibrator 1 is composed of a piece of piezoelectric ceramic wafer, the high-frequency work of 380kHz is realized by utilizing the thickness vibration of the piezoelectric ceramic wafer, the transmitting and receiving design is adopted, the high-frequency sound wave transmitting and receiving are realized, the piezoelectric ceramic surface of the high-frequency vibrator 1, which is connected with the sound-transmitting radiation surface 3, is a negative electrode, and the other surface is a positive electrode. The low-frequency oscillator 2 is formed by connecting three piezoelectric ceramic circular rings in parallel, the longitudinal vibration mode and the receiving and transmitting combined design of the three piezoelectric ceramic circular rings are adopted to realize low-frequency sound wave transmission and reception, the piezoelectric ceramic surface of the low-frequency oscillator 2 connected with the sound transmission radiation surface 3 is a negative electrode, and the rear end surface is a positive electrode. The upper parts of the high-frequency vibrator 1 and the low-frequency vibrator 2 are provided with a sound-transmitting radiation surface 3, the radiation surfaces of the high-frequency vibrator 1 and the low-frequency vibrator 2 are positioned on the same plane, the bottom end of the installation shell 6 is connected with a connecting ring 7, the lower part of the connecting ring 7 is connected with a locking ring 8, the center of the locking ring 8 is provided with a lead-out cable 9 led out from the rear end of the sealing shell 5, the negative electrode surfaces of the high-frequency vibrator 1 and the low-frequency vibrator 2 are communicated through a conducting wire, the positive electrode is respectively led out of a conducting wire, the lead-out cable 9 is a three-core cable with a shielding longitudinal watertight cable, and the three core wires are respectively the. The sealed shell 5 is made of copper by navy, the sound-transmitting radiation surface 3 adopts a sealing mode of combining polyurethane pouring and rubber vulcanization, and the lead-out cable 9 is a vulcanized cable and is sealed by an O-shaped ring so as to improve the watertight reliability of the transducer. The mounting shell 6 is made of 316L stainless steel materials, two O-shaped rings are arranged on the outer surface of the sealing shell 5 to play a role in mounting and positioning the sealing shell 5 and the mounting shell 6, and six mounting holes are formed in a flange of the mounting shell 6 to mount and fix on a naval vessel. The connecting ring 7 and the locking ring 8 are both made of 316L stainless steel materials and play a role in connecting and fixing the sealing shell 5 and the mounting shell 6.
Example 2: in addition to embodiment 1, the thickness vibration resonance frequency of the high-frequency oscillator 1 is set to be about 375kHz, and the optimum operation performance of the high-frequency oscillator 1 can be exhibited at an operation frequency of 380 kHz. The external diameter of high frequency oscillator 1 is phi 19mm, and PBS type piezoceramics is selected for use to piezoelectric element, and the resonant frequency of the flexible vibration of thickness direction of design high frequency oscillator 1 is about 375kHz, can confirm that the thickness of 1 piezoceramics of high frequency oscillator is 5.2mm, and the static capacitance who calculates piezoceramics is about 900pF, connects the long cable of 5m, and the static capacitance of high frequency oscillator 1 is about 1400 pF. The resonant frequency of the low-frequency oscillator 2 is designed to be around 92kHz, and the optimum operating performance of the low-frequency oscillator 2 can be exerted at an operating frequency of 94 kHz. The piezoelectric element of the low-frequency vibrator 2 is PZT-42 type piezoelectric ceramic, three piezoelectric ceramic rings with the size of phi 46 multiplied by phi 23 multiplied by 5.8 are connected in parallel, the piezoelectric ceramic rings are adhered and fixed through a bonding agent, the static capacitance of the low-frequency vibrator 2 is about 6300pF, a 5m long cable is connected, and the static capacitance is about 6800 pF.
A layer of 2mm sound-transmitting rubber is vulcanized on the radiation surface of the sealed shell 5, and a layer of 4mm polyurethane rubber is poured between the high-frequency oscillator 1, the low-frequency oscillator 2 and the sound-transmitting radiation surface 3. The positive pole of the high-frequency vibrator 1, the positive pole of the low-frequency vibrator 2 and the common negative pole are connected with three core wires of a leading-out cable 9, and the watertight leading-out cable 9 is hermetically installed and fixed at the rear end of the sealed shell 5 through an O-shaped ring.
After the transducer assembly was completed, the maximum outer diameter was about 170mm, the height was about 142mm, and the weight was about 9.5 kg.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (7)
1. An integrated dual-frequency transducer, characterized by: mainly comprises a high-frequency oscillator (1), a low-frequency oscillator (2), an acoustically transparent radiating surface (3), a base array frame (4), a sealing shell (5), an installation shell (6), a connecting ring (7), a locking ring (8) and a lead-out cable (9), wherein the sealing shell (5) is installed in the installation shell (6), the base array frame (4) is installed at the inner top of the sealing shell (5), the high-frequency oscillator (1) and the low-frequency oscillator (2) are installed on the base array frame (4), the high-frequency oscillator (1) is installed at the center of a piezoelectric ceramic ring of the low-frequency oscillator (2), the acoustically transparent radiating surface (3) is arranged above the high-frequency oscillator (1) and the low-frequency oscillator (2), the radiating surfaces of the high-frequency oscillator (1) and the low-frequency oscillator (2) are positioned on the same plane, the connecting ring (7) is connected at the bottom end of the installation shell (6), the locking ring (8) is connected below the locking ring (7, the negative electrode surfaces of the high-frequency vibrator (1) and the low-frequency vibrator (2) are communicated through a lead, a lead is respectively led out of the positive electrode, the leading-out cable (9) is a three-core cable with a shielding longitudinal watertight cable, and the three core wires are respectively the positive electrode of the high-frequency vibrator (1), the positive electrode of the low-frequency vibrator (2), the common negative electrode of the high-frequency vibrator (1) and the low-frequency vibrator (2).
2. The integrated dual frequency transducer of claim 1, wherein: the high-frequency vibrator (1) is composed of a piezoelectric ceramic wafer, the high-frequency work of 380kHz is realized by utilizing the thickness vibration of the piezoelectric ceramic wafer, the transmitting and receiving design is adopted, the high-frequency sound wave transmitting and receiving are realized, the piezoelectric ceramic surface of the high-frequency vibrator (1) connected with the sound-transmitting radiation surface (3) is a negative electrode, and the other surface is a positive electrode.
3. The integrated dual frequency transducer of claim 1, wherein: the low-frequency oscillator (2) is formed by connecting three piezoelectric ceramic rings in parallel, the longitudinal vibration mode and the receiving and transmitting combined type design of the three piezoelectric ceramic rings are adopted to realize low-frequency sound wave transmission and reception, the piezoelectric ceramic surface of the low-frequency oscillator (2) connected with the sound transmission and radiation surface (3) is a negative electrode, and the rear end surface is a positive electrode.
4. The integrated dual frequency transducer of claim 1, wherein: the array frame (4) is made of polyurethane foam materials and is used as a mounting, positioning, damping and decoupling component of the high-frequency oscillator (1) and the low-frequency oscillator (2).
5. The integrated dual frequency transducer of claim 1, wherein: the sealing shell (5) is made of copper by navy, the sound-transmitting radiation surface (3) adopts a sealing mode of combining polyurethane pouring and rubber vulcanization, and the lead-out cable (9) is a vulcanized cable and is sealed by an O-shaped ring.
6. The integrated dual frequency transducer of claim 1, wherein: the mounting shell (6) is made of 316L stainless steel materials, two O-shaped rings are arranged on the outer surface of the sealing shell (5), and six mounting holes are formed in a flange of the mounting shell (6) so as to be mounted and fixed on a naval vessel.
7. The integrated dual frequency transducer of claim 1, wherein: the connecting ring (7) and the locking ring (8) are both made of 316L stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234707.3U CN211217400U (en) | 2019-08-01 | 2019-08-01 | Integrated double-frequency transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921234707.3U CN211217400U (en) | 2019-08-01 | 2019-08-01 | Integrated double-frequency transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211217400U true CN211217400U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921234707.3U Withdrawn - After Issue CN211217400U (en) | 2019-08-01 | 2019-08-01 | Integrated double-frequency transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211217400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523608A (en) * | 2019-08-01 | 2019-12-03 | 中国船舶重工集团公司第七一五研究所 | A kind of integral double-frequency energy converter |
-
2019
- 2019-08-01 CN CN201921234707.3U patent/CN211217400U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523608A (en) * | 2019-08-01 | 2019-12-03 | 中国船舶重工集团公司第七一五研究所 | A kind of integral double-frequency energy converter |
| CN110523608B (en) * | 2019-08-01 | 2023-05-02 | 中国船舶重工集团公司第七一五研究所 | Integrated double-frequency transducer |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200811 Effective date of abandoning: 20230502 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200811 Effective date of abandoning: 20230502 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |