CN220650866U - Millimeter wave radar housing suitable for under water - Google Patents

Millimeter wave radar housing suitable for under water Download PDF

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Publication number
CN220650866U
CN220650866U CN202321877157.3U CN202321877157U CN220650866U CN 220650866 U CN220650866 U CN 220650866U CN 202321877157 U CN202321877157 U CN 202321877157U CN 220650866 U CN220650866 U CN 220650866U
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China
Prior art keywords
shell
casing
millimeter wave
wave radar
under water
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Active
Application number
CN202321877157.3U
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Chinese (zh)
Inventor
阙怡玲
侯银辉
何有贞
张顺珂
朱淑榕
叶鑫宇
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Minnan University of Science and Technology
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Minnan University of Science and Technology
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Priority to CN202321877157.3U priority Critical patent/CN220650866U/en
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Publication of CN220650866U publication Critical patent/CN220650866U/en
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Abstract

The utility model discloses a millimeter wave radar shell suitable for underwater, which comprises a shell, wherein the shell comprises an upper shell, the upper shell is detachably connected with a lower shell to form a box body structure with an opening at one side, a metal shielding layer is arranged on the inner wall of a cavity of the lower shell, the opening of the box body structure is detachably connected with a side shell, and a completely airtight accommodating cavity is formed among the upper shell, the lower shell and the side shell; through being provided with the metal shielding layer on the cavity inner wall of adopting the lower casing, reduce the interference electromagnetic field outwards diffusion, prevent that they from receiving external electromagnetic field's influence, secondly form totally airtight through last casing, lower casing and side between the casing and hold the chamber, improve the holistic waterproof performance of millimeter wave radar shell under water.

Description

Millimeter wave radar housing suitable for under water
Technical Field
The utility model relates to the technical field of underwater millimeter wave radar shells, in particular to an underwater millimeter wave radar shell.
Background
The working environment of the millimeter wave radar product under water is an external environment placed under water at present, and is often waded or soaked, so that in order to ensure the normal work of the millimeter wave radar product, the product shell must meet the protection requirement of IP 67.
Most of the conventional millimeter wave radar shells are single in performance, are difficult to cope with underwater complex environments, and for high-precision millimeter wave radar, the shells are required to be waterproof, prevent interference electromagnetic fields from diffusing outwards and prevent the interference electromagnetic fields from being influenced by external electromagnetic fields.
Disclosure of Invention
The utility model aims to provide a millimeter wave radar housing suitable for underwater, which can simultaneously improve the waterproofness, prevent the outward diffusion of interfering electromagnetic fields and prevent the interference electromagnetic fields from being influenced by external electromagnetic fields.
The technical aim of the utility model is realized by the following technical scheme: the utility model provides a millimeter wave radar shell suitable for under water, includes the casing, the casing includes the casing, go up the casing and be connected with lower casing can dismantle and form one side opening box body structure, be provided with the metal shielding layer on the cavity inner wall of lower casing, box body structure opening part is connected with the side casing can dismantle, go up the casing down the casing with form totally airtight holds the chamber between the side casing.
Through being provided with the metal shielding layer on the cavity inner wall of adopting the lower casing, reduce the interference electromagnetic field outwards diffusion, prevent that they from receiving external electromagnetic field's influence, secondly form totally airtight through last casing, lower casing and side between the casing and hold the chamber, improve the holistic waterproof performance of millimeter wave radar shell under water.
The utility model is further provided with: the junction of the upper shell and the lower shell is provided with a sealing layer, and the opening of the box body structure and the side shell are also provided with the same sealing layer.
The sealing layer is arranged at the joint of the upper shell, the lower shell and the side shell, so that the overall tightness and waterproof performance of the underwater millimeter wave radar shell can be further improved.
The utility model is further provided with: the metal shielding layer is a metal shielding cover.
The use of a metallic shield can achieve protection against out-diffusion of interfering electromagnetic fields and against external electromagnetic fields.
The utility model is further provided with: and a PPS layer is arranged on the inner wall of the cavity formed by the upper shell, the lower shell and the side shell.
The PPS layer is adopted to improve the performances of the underwater millimeter wave radar housing cavity on high temperature, corrosiveness, radiation, flame retardance and the like.
The utility model is further provided with: a handle is arranged on the side wall of the upper shell.
The lifting handle is adopted, so that the scheme can be used more freely under water, and the situations of unexpected hand-off and the like are prevented.
The utility model is further provided with: and the side wall of the shell is rotationally connected with a handle.
The handle that connects through adopting rotates can be that this device's practicality is stronger, also is convenient for accomodate and use.
In summary, the utility model has the following beneficial effects: firstly, through being provided with the metal shielding layer on the cavity inner wall of lower casing, reduce the outward diffusion of interference electromagnetic field, prevent that they from receiving external electromagnetic field's influence, secondly through forming totally airtight chamber that holds between upper casing, lower casing and the side casing, improve the holistic waterproof performance of millimeter wave radar shell under water.
Drawings
Fig. 1 is a perspective view of a underwater millimeter wave radar housing in accordance with an embodiment of the present utility model.
In the figure: 1. a housing; 2. an upper housing; 3. a lower housing; 4. a side case; 5. a handle.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1.
Examples
In order to realize the use of the millimeter wave radar underwater, the specific position of the fish shoal is detected by the millimeter wave radar, the water pressure required to be born is large, the waterproof shell of the traditional millimeter wave radar cannot meet the large water pressure bearing, and water leakage, performance degradation of the millimeter wave radar and shell damage can occur.
As shown in fig. 1, a millimeter wave radar housing suitable for use under water includes a housing 1, the housing 1 including an upper housing 2, a lower housing 3, and a side housing 4.
The upper casing 2 and the lower casing 3 can form a box structure with one side open, wherein the opening is positioned at one side far away from the millimeter wave radar connection port.
The upper shell 2, the lower shell 3 and the side shell 4 can be combined into a box structure with a totally-enclosed cavity inside, and a metal shielding layer is arranged on the lower shell 3 only in the box structure, namely, a metal shielding layer is arranged between the PCB and the lower shell 3.
The upper shell 2 is of a double-layer structure, the upper shell 2 is made of PBT material, and a PPS layer is sprayed on the inner wall of the upper shell 2.
The lower shell 3 is of a double-layer structure, PBT material is adopted for the lower shell 3, a PPS layer is sprayed on the inner wall of the lower shell 3, a metal shielding layer is arranged on the PPS layer, and PPS serving as millimeter wave radar electromagnetic shielding and heat conducting material can realize that a shielding body surrounds a component, a circuit, an assembly, a cable or an interference source of the whole system to prevent an interference electromagnetic field from diffusing outwards; the shielding body is used for surrounding the receiving circuit and the equipment system, and preventing the receiving circuit and the equipment system from being influenced by external electromagnetic fields.
As preferable: the metal shielding layer can be a cover body such as a metal coating layer and a metal shell, and can completely shield the clutter signals.
The side shell 4 is of a double-layer structure, the side shell 4 is made of PC material, the foam density of the PC material is D=30+2 kg/m < 3 >, the high-quality foam with high density is used as a carrier for wedge, the wedge is tough in texture, soft in material hand feeling, high in elastic resilience force, free of head falling and deformation, long in service life and the PPS layer is sprayed on the inner wall of the cavity.
The PC material is an amorphous thermoplastic resin with excellent comprehensive performance.
PBT is adopted as the material of the millimeter wave radome, and the material has the characteristics of high laser transmittance, low warpage, hydrolysis resistance and the like.
The upper shell 2 and the lower shell 3 are mutually embedded, the connecting surface of the upper shell 2 and the lower shell 3 is provided with a convex surface, and the connecting surface of the lower shell 3 and the upper shell 2 is provided with a concave surface which can just accommodate the convex surface;
as shown in fig. 1, a side casing 4 is embedded in a box opening formed by the upper casing 2 and the lower casing 3, the box opening formed by the upper casing 2 and the lower casing 3 is convex, and a concave surface is arranged on the side casing 4 in cooperation with the convex surface.
As preferable: in this scheme, all convexities and concavities are interference connection mode to guarantee its airtight performance.
As preferable: all convex and concave junction all press from both sides in this scheme and are equipped with the sealing layer, and the sealing layer can be rubber pad, rubber circle and rubber strip, and wherein with the waterproof performance of rubber pad is optimal.
In order to be more portable when working under water, a handle 5 is arranged on the side wall of the shell 1, which is close to the millimeter wave radar transmitting port.
As preferable: the handle 5 can be in a ring-shaped, bar-shaped, buckle-shaped or other portable and wearable structure, wherein the handle is arranged on the upper shell 2 most conveniently.
As preferable: the handle 5 may also be a two-half structure, which is respectively disposed on the upper casing 2 and the lower casing 3, and when the upper casing 2 and the lower casing 3 are combined, the handle 5 is formed completely, and a sealing layer is also disposed at the position of the handle 5.
In order to ensure that the service condition of the millimeter wave radar is worse, an integrally formed millimeter wave radar service port is arranged on the upper shell 2; the lower housing 3 is merely a cavity for sealing the upper housing 2 with the lower housing 3.
Working principle: in this scheme mainly through last casing 2, lower casing 3 and side casing 4 formation airtight space prevent its operation that intakes from interfering the PCB mainboard, wherein the bottom of PCB mainboard is disturbed by the electromagnetic wave signal of disorder again easily, so separates the signal of disorder through setting up the metal shielding layer.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (6)

1. A millimeter wave radar housing adapted for use under water, characterized by: including casing (1), casing (1) are including last casing (2), go up casing (2) and lower casing (3) and dismantle the connection and form one side opening box body structure, be provided with the metal shielding layer on the cavity inner wall of lower casing (3), box body structure opening part can dismantle with side casing (4) and be connected, go up casing (2) lower casing (3) with form totally inclosed accommodation chamber between side casing (4).
2. A millimeter wave radar housing suitable for use under water as defined in claim 1, wherein: the sealing layer is arranged at the joint of the upper shell (2) and the lower shell (3), and the same sealing layer is also arranged at the opening of the box body structure and the side shell (4).
3. A millimeter wave radar housing suitable for use under water as defined in claim 1, wherein: the metal shielding layer is a metal shielding cover.
4. A millimeter wave radar housing suitable for use under water as defined in claim 1, wherein: and a PPS layer is arranged on the inner wall of a cavity formed by the upper shell (2), the lower shell (3) and the side shell (4).
5. A millimeter wave radar housing suitable for use under water as defined in claim 1, wherein: a handle (5) is arranged on the side wall of the upper shell (2).
6. A millimeter wave radar housing suitable for use under water as recited in claim 5, wherein: a handle (5) is rotatably connected to the side wall of the shell.
CN202321877157.3U 2023-07-17 2023-07-17 Millimeter wave radar housing suitable for under water Active CN220650866U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321877157.3U CN220650866U (en) 2023-07-17 2023-07-17 Millimeter wave radar housing suitable for under water

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321877157.3U CN220650866U (en) 2023-07-17 2023-07-17 Millimeter wave radar housing suitable for under water

Publications (1)

Publication Number Publication Date
CN220650866U true CN220650866U (en) 2024-03-22

Family

ID=90266809

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321877157.3U Active CN220650866U (en) 2023-07-17 2023-07-17 Millimeter wave radar housing suitable for under water

Country Status (1)

Country Link
CN (1) CN220650866U (en)

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