CN211099972U - Novel fish finder transducer - Google Patents
Novel fish finder transducer Download PDFInfo
- Publication number
- CN211099972U CN211099972U CN201921139515.4U CN201921139515U CN211099972U CN 211099972 U CN211099972 U CN 211099972U CN 201921139515 U CN201921139515 U CN 201921139515U CN 211099972 U CN211099972 U CN 211099972U
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- piezoelectric ceramic
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- transducer
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Abstract
The utility model relates to a novel fish finder transducer, which comprises a shell, a cable, a piezoelectric ceramic piece, epoxy resin and a cork plate; the red and white wires of the cable are respectively and electrically connected with the positive electrode and the negative electrode of the piezoelectric ceramic sheet; the shell is bowl-shaped, and a hardware groove is formed in the bottom of the shell; the negative electrode surface of the piezoelectric ceramic plate is bonded with the cork plate, and the positive electrode surface of the piezoelectric ceramic plate is bonded with the bottom of the hardware groove of the shell; the cable, the piezoelectric ceramic piece and the cork plate are sealed and wrapped in a hardware groove of the shell by epoxy resin glue. The shell is designed into a bowl shape, the bottom of the shell is provided with the hardware groove, the piezoelectric ceramic piece, the cable and the cork plate are wrapped by epoxy resin and then are arranged in the hardware groove, and an electric field is added to the piezoelectric ceramic piece through the cable, so that the piezoelectric ceramic piece generates mechanical vibration under the action of the electric field to emit ultrasonic waves. The acute angle of the transducer of 32.8 degrees has a larger detection range by designing the radiation surface of the shell.
Description
Technical Field
The utility model relates to an acoustic sensing measures technical field under water, especially relates to a novel wide-angle fish finder transducer.
Background
The ultrasonic transducer is an ultrasonic device which generates mechanical vibration to emit ultrasonic waves or converts the ultrasonic waves in a space into electric signals under the action of an electric field by utilizing the piezoelectric effect of piezoelectric ceramics. Because of its good transduction characteristic, it is widely used in ranging, detection fields. A typical transducer includes a housing, a piezoelectric device disposed within the housing.
Most of the traditional shoal detection is carried out manually, and is time-consuming, labor-consuming and poor in accuracy. At present, the existing ultrasonic fish finder transducer has the problem of small detection angle.
SUMMERY OF THE UTILITY MODEL
Therefore, a novel fish finder transducer is needed to be provided, and the problem that the existing ultrasonic fish finder transducer has a smaller detection angle is solved.
In order to achieve the purpose, the inventor provides a novel fish finder transducer, which comprises a shell, a cable, a piezoelectric ceramic piece, epoxy resin and a cork plate;
the red and white wires of the cable are respectively and electrically connected with the positive electrode and the negative electrode of the piezoelectric ceramic sheet;
the shell is bowl-shaped, and a hardware groove is formed in the bottom of the shell;
the negative electrode surface of the piezoelectric ceramic plate is bonded with the cork plate, and the positive electrode surface of the piezoelectric ceramic plate is bonded with the bottom of the hardware groove of the shell;
the cable, the piezoelectric ceramic piece and the cork plate are sealed and wrapped in a hardware groove of the shell by epoxy resin glue.
Further optimize, the cable conductor is two twisted shielding cable conductors, two twisted shielding cable conductors are equipped with the shielded wire, be equipped with the copper sheet on the cork board, the shielded wire and copper sheet welding.
Further preferably, the shell is made of ABS material.
Further preferably, the thickness of the bottom of the housing is 1/4 wavelengths.
Further optimization, the size of the piezoelectric ceramic piece is
Further optimized, the cork plate has the size of
Different from the prior art, above-mentioned technical scheme is through designing the shell into the bowl form to be equipped with the hardware groove in shell bottom, set up piezoceramics piece, cable conductor and cork board in the hardware groove after passing through epoxy parcel, add the electric field for piezoceramics piece through the cable conductor, make piezoceramics piece produce mechanical vibration under the effect of electric field and send the ultrasonic wave. The radiating surface of the housing is dimensioned
Use at 300KHz frequency allows the acute angle of the transducer to be 32.8 with a large detection range.
Drawings
FIG. 1 is a schematic diagram of a novel fish finder transducer according to an embodiment;
fig. 2 is a partial structural schematic diagram of a novel fish finder transducer according to an embodiment.
Description of reference numerals:
1. a cable wire; 2. a housing; 3. a cork plate; 4. an epoxy resin; 5. piezoelectric ceramic piece.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1-2, the present embodiment provides a novel fish finder transducer, which includes a housing 2, a cable 1, a piezoelectric ceramic plate 5, an epoxy resin 4 and a cork plate 3;
the red and white wires of the cable 1 are respectively and electrically connected with the positive and negative electrodes of the piezoelectric ceramic sheet 5;
the shell 2 is bowl-shaped, and a hardware groove is formed in the bottom of the shell 2;
the negative electrode surface of the piezoelectric ceramic piece 5 is bonded with the cork plate 3, and the positive electrode surface is bonded with the bottom of the hardware groove of the shell 2;
the cable 1, the piezoelectric ceramic sheet 5 and the cork plate 3 are sealed and wrapped in a hardware groove of the shell 2 by epoxy resin 4 glue.
The shell 2 is designed into a bowl shape, the bottom of the shell 2 is provided with a hardware groove, the piezoelectric ceramic piece 5, the cable 1 and the cork plate 3 are wrapped by the epoxy resin 4 and then are arranged in the hardware groove, the red and white lines of the cable 1 are connected with the positive and negative electrodes of the piezoelectric ceramic piece 5, and an electric field can be added to the piezoelectric ceramic piece 5 through the cable 1, so that the piezoelectric ceramic piece 5 generates mechanical vibration under the action of the electric field to emit ultrasonic waves. The acute angle of the transducer of 32.8 degrees has a larger detection range by designing the radiation surface of the shell 2. Simultaneously, the transducer is simple in structure, large in space reservation inside the shell 2, capable of internally arranging a transducer driving processing circuit, convenient and fast to install and fix, and excellent and novel in performance.
In the present embodiment, in order to further shield the external interference; the cable conductor 1 is twisted pair shielding cable conductor 1, twisted pair shielding cable conductor 1 is equipped with the shielded wire, be equipped with the copper sheet on the cork board 3, the shielded wire and copper sheet welding. The cable 1 is a twisted shielding cable 1, wherein the shielding wire of the twisted shielding cable 1 is welded with the copper sheet on the cork plate 3, so that the interference of the outside on the piezoelectric ceramic plate 5 can be shielded.
In this embodiment, in order to increase the sensitivity of the transducer, the material of the housing 2 is ABS material. Through adopting the ABS material with shell 2, ABS material acoustic impedance value is close with liquid medium acoustic impedance value for the sensitivity of transducer can have great promotion, and is corresponding to having great reinforcing to the detection range.
In the present embodiment, in order to reduce the influence of the bottom of the housing 2 on the ultrasonic waves generated by the piezoelectric ceramic plate 5, the thickness of the bottom of the housing 2 is 1/4. Wherein the bottom thickness of the housing 2 is set to 1/4 of the wavelength of the ultrasonic wave generated by the piezoelectric ceramic plate 5, the matching layer at the bottom of the housing 2 can be made transparent relative to the ultrasonic wave, and the influence of signal emission on the original signal is reduced. In other embodiments, the bottom thickness of the housing 2 may also be an odd multiple of the 1/4 wavelength.
In the present embodiment, the size of the piezoelectric ceramic plate 5 is
By adopting the size of the piezoelectric ceramic plate 5
The transducer has better sensitivity at frequency points of 100KHz and 300KHz, and the application range of the transducer is improved. Wherein, according to the specification of the piezoelectric ceramic plate, the size of the cork plate 3 is
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.
Claims (6)
1. A novel fish finder transducer is characterized by comprising a shell, a cable, a piezoelectric ceramic piece, epoxy resin and a cork plate;
the red and white wires of the cable are respectively and electrically connected with the positive electrode and the negative electrode of the piezoelectric ceramic sheet;
the shell is bowl-shaped, and a hardware groove is formed in the bottom of the shell;
the negative electrode surface of the piezoelectric ceramic plate is bonded with the cork plate, and the positive electrode surface of the piezoelectric ceramic plate is bonded with the bottom of the hardware groove of the shell;
the cable, the piezoelectric ceramic piece and the cork plate are sealed and wrapped in a hardware groove of the shell by epoxy resin glue.
2. The novel fish finder transducer of claim 1, wherein the cable is a twisted shielding cable, the twisted shielding cable is provided with a shielding wire, the cork plate is provided with a copper sheet, and the shielding wire is welded with the copper sheet.
3. The novel fish finder transducer of claim 1, wherein the housing is made of ABS.
4. The novel fish finder transducer of claim 1, wherein the bottom thickness of the housing is 1/4 wavelengths.
5. The novel fish finder transducer of claim 1, wherein the piezoelectric ceramic plate is sized to be
6. The fish finder transducer according to claim 1, wherein the cork plate is sized to be of a size of
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699412 | 2019-05-15 | ||
| CN2019206994127 | 2019-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211099972U true CN211099972U (en) | 2020-07-28 |
Family
ID=71720778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921139515.4U Active CN211099972U (en) | 2019-05-15 | 2019-07-19 | Novel fish finder transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211099972U (en) |
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2019
- 2019-07-19 CN CN201921139515.4U patent/CN211099972U/en active Active
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