Anti-shock wave structure for underwater multistage sound production device
Through the combined structure of multi-layer shell and potting adhesive, combined with the design of the rotating table and circuit box, the protection problem of underwater multi-stage sounding device under shock wave is solved, and the normal operation and high compressive resistance of the equipment are achieved. It is suitable for Multiple underwater shock wave damage.
Patent Information
- Application Number
- CN202411320827.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2024-12-17
AI Technical Summary
The prior art is difficult to effectively protect underwater multi-stage sounding devices from damage from underwater explosion shock waves, resulting in the normal operation of the equipment being affected.
Using a combined structure of multi-layer shell and multi-layer potting, by setting up a tabletop and circuit box inside, using bolted connections and potting fill, ensure that the circuit board is not affected under the shock wave and is glued through silicone rubber Connection method improves compressive resistance.
The underwater multi-stage sounding device is realized normally when it is subjected to shock waves, can resist multiple underwater shock wave damage, and remains sealed under 50MPa water pressure, with a small structural size and strong adaptability.
Smart Images
Figure CN119155590A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of protective devices, in particular to an anti-shock wave structure for an underwater multi-stage sound generating device. Background Art
[0002] In modern warfare, ocean warfare occupies an increasingly important position. For a maritime power, the ocean is the first line of defense against the enemy. The normal operation of various underwater military equipment is crucial. However, underwater explosive weapons such as depth charges and mines can destroy the normal operation of the equipment. The underwater shock wave resistance technology has become a difficult problem that needs to be solved urgently. The present invention discloses an anti-shock wave structure for an underwater multi-stage sound-generating device, which can also be used in other types of underwater equipment after modification. Summary of the invention
[0003] The purpose of the present invention is to overcome the shortcomings of the prior art, and utilize a combined structure of a multi-layer shell and a multi-layer potting glue to protect the circuit board located inside it so that it is not affected when it is subjected to explosion shock waves underwater, and can ensure that the multi-stage sound-generating device works normally in sequence through the signal output line. It can also be applied to other types of underwater equipment to provide an anti-shock wave structure for an underwater multi-stage sound-generating device to resist damage to the equipment by underwater explosion shock waves.
[0004] The object of the present invention is achieved by the following technical scheme: an anti-shock wave structure for an underwater multi-stage sound generating device, comprising a device body, the device body comprising a shell and a sealing cover arranged on the top of the shell, the sealing cover and the shell are connected by bolts, an upper cavity and a lower cavity are arranged inside the shell, and a placing table is arranged between the upper cavity and the lower cavity; A circuit box is provided on the mounting table, a circuit box cover is provided above the circuit box, a through hole thread one that cooperates with each other is provided between the circuit box cover and the circuit box, a blind hole thread one is provided on the mounting table, the through hole thread one and the blind hole thread one are fixed by bolts, a potting glue one is injected into the upper cavity, a mounting table two is provided inside the circuit box, and a circuit board is provided on the mounting table two, and the upper and lower cavities on the circuit board are both injected with potting glue two, a through hole one, a through hole two and a through hole three are provided on the bottom of the circuit box, a through hole four, a through hole five and a through hole six are provided on the circuit box cover, a signal output line is embedded in the bottom of the shell, and one end of the signal output line is connected to the circuit board.
[0005] In the anti-shock wave structure for underwater multi-stage sound generating device of the present invention, cylindrical protrusions and elliptical protrusions are provided on the outer side wall of the shell, and the elliptical protrusions and the cylindrical protrusions are arranged at intervals, and the device body is a cylindrical structure.
[0006] In the anti-shock wave structure for an underwater multi-stage sound-generating device of the present invention, the circuit box is made of shell two, and the shell two is provided with at least two layers, and a potting glue is filled between two adjacent shell layers, and the shell two includes a first shell layer and a second shell layer, and the first shell layer is arranged next to the circuit board, and the first shell layer is made of non-metallic material, and the second shell layer is made of metal material.
[0007] In the anti-shock wave structure for underwater multi-stage sound generating device of the present invention, the potting glue 1 and the potting glue 2 are filled with the same material or different materials, and the potting glue 1 is a soft potting glue such as silicone rubber, and the potting glue 2 can be any potting glue.
[0008] In the anti-shock wave structure for underwater multi-stage sound generating device of the present invention, the first shell layer and the second shell layer are connected by silicone rubber bonding or flexible connection, and no bolts or hard connection are used.
[0009] In the shock wave resistant structure for underwater multi-stage sound generating device of the present invention, the signal output line passes through from the innermost shell to the outermost shell, and is sealed when passing through the outermost shell, and can withstand at least 50MPa water pressure.
[0010] The present invention has the following advantages: 1. The device body of the present invention comprises a shell and a sealing cover arranged on the top of the shell. The shell can also be provided with multiple layers. The sealing cover and the shell are connected by bolts. An upper cavity and a lower cavity are provided inside the shell. A placing table is provided between the upper cavity and the lower cavity, so that the circuit board is located in the middle of the internal cavity of the device body; A circuit box is arranged on the mounting table, a circuit box cover is arranged above the circuit box, a through-hole thread 1 that cooperates with each other is arranged between the circuit box cover and the circuit box, a blind hole thread 1 is arranged on the mounting table, the through-hole thread 1 and the blind hole thread 1 are fixed by bolts, a potting glue 1 is injected into the upper cavity, a mounting table 2 is arranged inside the circuit box, and a circuit board is arranged on the mounting table 2, and the upper and lower cavities on the circuit board are both injected with potting glue 2, through holes 1, 2 and 3 are arranged on the bottom of the circuit box, through holes 4, 5 and 6 are arranged on the circuit box cover, a signal output line is embedded in the bottom of the shell, and one end of the signal output line is connected to the circuit board, and the number of shell layers and the potting glue material can be selected according to the requirements of underwater shock wave resistance strength; 2. Compared with other types of underwater shock wave resistant structures in the prior art, the structure size of the present invention is smaller.
[0011] 3. The present invention can resist a wider range of underwater shock waves.
[0012] 4. When the present invention is used in an underwater multi-stage sound-generating device, it can resist the damage of multiple underwater shock waves. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a cross-sectional schematic diagram of the present invention; Figure 3 It is a schematic diagram of the external structure of the device body in the present invention; Figure 4 It is a structural schematic diagram of the table top in the present invention; Figure 5 for Figure 1 A local enlarged schematic diagram of the middle A; Figure 6 for Figure 1 A local enlarged schematic diagram of point B in the middle.
[0014] In the figure, sealing cover 1, potting glue 1 2, potting glue 2 3, circuit box cover 4, circuit board 5, circuit box 6, shell 7, mounting table 8, through hole thread 1 9, blind hole thread 1 10, mounting table 2 11, through hole 1 12, through hole 2 13, through hole 3 14, through hole 4 15, through hole 5 16, through hole 6 17, cylindrical protrusion 18, elliptical protrusion 19, first layer shell 20, second layer shell 21. DETAILED DESCRIPTION
[0015] The present invention is further described below in conjunction with the accompanying drawings, and the protection scope of the present invention is not limited to the following: like Figure 1 to Figure 6 As shown, an anti-shock wave structure for an underwater multi-stage sound generating device comprises a device body, the device body comprises a shell 7 and a sealing cover 1 arranged on the top of the shell 7, the sealing cover 4 and the shell 7 are connected by bolts, an upper cavity and a lower cavity are arranged inside the shell 7, and a placing table 8 is arranged between the upper cavity and the lower cavity; In some embodiments, a circuit box 6 is provided on a mounting table 8, a circuit box cover 4 is provided above the circuit box 6, a through hole thread 9 that cooperates with each other is provided between the circuit box cover 4 and the circuit box 6, a blind hole thread 10 is provided on the mounting table 8, the through hole thread 9 and the blind hole thread 10 are fixed by bolts, a potting glue 2 is injected into the upper cavity, a mounting table 2 11 is provided inside the circuit box 6, and a circuit board 5 is provided on the mounting table 2 11, and the upper and lower cavities on the circuit board 5 are injected with potting glue 2 3, a through hole 12, a through hole 2 13 and a through hole 3 14 are provided on the bottom of the circuit box 6, a through hole 4 15, a through hole 5 16 and a through hole 6 17 are provided on the circuit box cover 4, a signal output line 4 is embedded in the bottom of the shell 7, and one end of the signal output line 4 is connected to the circuit board 5.
[0016] In some embodiments, a cylindrical protrusion 18 and an elliptical protrusion 19 are provided on the outer side wall of the shell 7, and the elliptical protrusion 19 and the cylindrical protrusion 18 are arranged at intervals, and the device body is a cylindrical structure.
[0017] In some embodiments, the circuit box 6 is made of shell 2, which has at least two layers, and there is potting glue filled between two adjacent shell layers. Shell 2 includes a first shell layer 20 and a second shell layer 21. The first shell layer 20 is arranged next to the circuit board 5, and the first shell layer 20 is made of non-metallic material, and the second shell layer 21 is made of metal material.
[0018] In some embodiments, the potting glue 1 2 and the potting glue 2 3 are filled with the same material or different materials, and the potting glue 1 2 only uses soft potting glue such as silicone rubber, and the potting glue 2 3 can use any potting glue.
[0019] In some embodiments, the first shell 20 and the second shell 21 are connected by silicone rubber bonding or flexible connection, and no bolts or hard connections are used.
[0020] In some embodiments, the signal output line 4 passes through the innermost shell to the outermost shell, and is sealed when passing through the outermost shell, and can withstand at least 50 MPa water pressure.
[0021] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A shock wave resistant structure for an underwater multi-stage sound generating device, comprising a device body, characterized in that: The device body includes a shell and a sealing cover arranged on the top of the shell, the sealing cover and the shell are connected by bolts, an upper cavity and a lower cavity are arranged inside the shell, and a placing table is arranged between the upper cavity and the lower cavity; A circuit box is provided on the mounting table, a circuit box cover is provided above the circuit box, a through hole thread one that cooperates with each other is provided between the circuit box cover and the circuit box, a blind hole thread one is provided on the mounting table, the through hole thread one and the blind hole thread one are fixed by bolts, a potting glue one is injected into the upper cavity, a mounting table two is provided inside the circuit box, and a circuit board is provided on the mounting table two, and the upper and lower cavities on the circuit board are both injected with potting glue two, a through hole one, a through hole two and a through hole three are provided on the bottom of the circuit box, a through hole four, a through hole five and a through hole six are provided on the circuit box cover, a signal output line is embedded in the bottom of the shell, and one end of the signal output line is connected to the circuit board.
2. The anti-shock wave structure for an underwater multi-stage sound generating device according to claim 1, characterized in that: A cylindrical protrusion and an elliptical protrusion are arranged on the outer side wall of the shell, and the elliptical protrusion and the cylindrical protrusion are arranged at intervals, and the device body is a cylindrical structure.
3. The anti-shock wave structure for an underwater multi-stage sound generating device according to claim 1, characterized in that: The circuit box is made of shell 2, which has at least two layers. There is potting glue filled between two adjacent shell layers, and shell 2 includes a first shell layer and a second shell layer. The first shell layer is arranged next to the circuit board, and the first shell layer is made of non-metallic material, and the second shell layer is made of metal material.
4. The anti-shock wave structure for an underwater multi-stage sound generating device according to claim 1, characterized in that: The potting glue 1 and the potting glue 2 are filled with the same material or different materials, and the potting glue 1 is a soft potting glue such as silicone rubber, and the potting glue 2 can be any potting glue.
5. The shock wave resistant structure for underwater multi-stage sound generating device according to claim 3, characterized in that: The first shell layer and the second shell layer are connected by silicone rubber bonding or flexible connection, and no bolts or hard connection are used.
6. The shock wave resistant structure for underwater multi-stage sound generating device according to claim 1, characterized in that: The signal output line passes through the innermost shell to the outermost shell, and is sealed when passing through the outermost shell, and can withstand a water pressure of at least 50 MPa.