CN108461915A - A kind of millimetre-wave radar antenna house using electromagnetic wave transparent material - Google Patents
A kind of millimetre-wave radar antenna house using electromagnetic wave transparent material Download PDFInfo
- Publication number
- CN108461915A CN108461915A CN201810076063.3A CN201810076063A CN108461915A CN 108461915 A CN108461915 A CN 108461915A CN 201810076063 A CN201810076063 A CN 201810076063A CN 108461915 A CN108461915 A CN 108461915A
- Authority
- CN
- China
- Prior art keywords
- epidermis
- transparent material
- sandwich laminate
- electromagnetic wave
- foam sandwich
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
- H01Q1/424—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material comprising a layer of expanded material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material, based on millimeter wave in the medium the big problem of transmission loss and propose.The present invention includes being sequentially overlapped the upper epidermal layer combined closely, the first foam sandwich laminate, intermediate epidermis, the second foam sandwich laminate and underlying epidermis layer, upper epidermal layer, intermediate epidermis and underlying epidermis layer are made of phosphoric acid sill, and the first foam sandwich laminate and the second foam sandwich laminate are made of the organic foam material of closed pore hard.The advantage of the invention is that it is simple in structure, there is good wave transparent performance and heat resistance.
Description
Technical field
The present invention relates to the field of radome more particularly to a kind of millimetre-wave radar antennas using electromagnetic wave transparent material
Cover.
Background technology
Millimetre-wave radar has the characteristics that simple in structure, high resolution, compact and flexible, be widely used in terminal guidance,
The fields such as fuse, industry, medical treatment.Radome is to protect an antenna from a kind of facility of natural environment influence and interference, with
The development for millimetre-wave radar technology, the requirement to radome in Antenna Design is higher and higher, at present radome knot
It is mostly used on structure as forms such as uniform single walled structure, sandwich and spatial skeleton structures.Millimetre wavelength is short, passes in the medium
Broadcast that loss is big, traditional radar antenna cover material such as devitrified glass, since its matter is crisp, complex forming technology and poor thermal shock resistance
The shortcomings of, it can not meet the requirement of the high wave and intensity etc. of millimeter wave antenna cover.Therefore it needs to improve antenna house
Wave transmission rate and mechanical strength reduce influence of the antenna house to antenna system reception and reflection electromagnetic wave signal.
Invention content
Present invention solves the technical problem that being millimeter wave, transmission loss is big in the medium, provides a kind of using electromagnetic wave transparent material
Millimetre-wave radar antenna house.
The present invention uses following technical scheme：
A kind of millimetre-wave radar antenna house using electromagnetic wave transparent material of the invention, including it is sequentially overlapped the epicuticle combined closely
Layer, the first foam sandwich laminate, intermediate epidermis, the second foam sandwich laminate and underlying epidermis layer, the upper epidermal layer, intermediate epidermis
It is made of phosphoric acid sill with underlying epidermis layer, first foam sandwich laminate and the second foam sandwich laminate are by the organic of closed pore hard
Foamed material is made, and the phosphate electromagnetic wave transparent material inorganic adhesive makees base-material, is template with organic electromagnetic wave transparent material, described
The dielectric constant of upper epidermal layer, intermediate epidermis and underlying epidermis layer is 8.6-9.2, loss tangent 0.001-0.0014,
The dielectric constant of first foam sandwich laminate and the second foam sandwich laminate is 1.10-1.15, loss tangent 0.005-
0.006。
Preferably, the inorganic adhesive is made of aluminium dihydrogen phosphate, titanium dioxide, magnesia.
Preferably, organic electromagnetic wave transparent material is EP resins.
Preferably, the thickness of the upper epidermal layer, intermediate epidermis and underlying epidermis layer is equal.
Preferably, the thickness of first foam sandwich laminate and the second foam sandwich laminate is equal.
Preferably, it is preferred that the dielectric constant of the upper epidermal layer, intermediate epidermis and underlying epidermis layer is 8.6, loss angle
Tangent value is 0.0010, and the dielectric constant of first foam sandwich laminate and the second foam sandwich laminate is 1.10, loss angle tangent
Value is 0.005.
Preferably, the dielectric constant of the upper epidermal layer, intermediate epidermis and underlying epidermis layer is 8.9, loss tangent
It is 0.0012, the dielectric constant of first foam sandwich laminate and the second foam sandwich laminate is 1.12, and loss tangent is
0.0055。
Preferably, the dielectric constant of the upper epidermal layer, intermediate epidermis and underlying epidermis layer is 9.2, loss tangent
It is 0.0014, the dielectric constant of first foam sandwich laminate and the second foam sandwich laminate is 1.15, and loss tangent is
0.006。
The beneficial effects of the present invention are：Through the above technical solutions, electromagnetic wave transparent material provided by the invention is in traditional thunder
Up on the basis of antenna house, using phosphoric acid sill as skin layer material, foam core is the organic foam material of closed pore hard, by
There is good rigidity in foam core therefore can effectively avoid deforming, the intensity of millimetre-wave radar structure, knot of the present invention can be enhanced
Structure is simple, has the advantages that good wave transparent performance and heat resistance.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of the embodiment of the present invention.
1- upper epidermal layers in figure；The first foam sandwich laminates of 2-；Epidermis among 3-；The second foam sandwich laminates of 4-；5- following tables
Cortex.
Specific implementation mode
The effect of to make to structure feature of the invention and being reached, has a better understanding and awareness, to preferable
Embodiment and attached drawing cooperation detailed description, are described as follows：
Embodiment 1
A kind of millimetre-wave radar antenna house using electromagnetic wave transparent material of the present invention, including it is sequentially overlapped the upper table combined closely
Cortex 1, the first foam sandwich laminate 2, intermediate epidermis 3, the second foam sandwich laminate 4 and underlying epidermis layer 5, the upper epidermal layer 1, in
Between epidermis 3 and underlying epidermis layer 5 be made of phosphoric acid sill, the first foam sandwich laminate 2 and the second foam sandwich laminate 4 are hard by closed pore
The organic foam material of matter is made.Phosphate electromagnetic wave transparent material inorganic adhesive makees base-material, is template with organic electromagnetic wave transparent material,
Wherein inorganic adhesive is made of aluminium dihydrogen phosphate, titanium dioxide, magnesia, and organic electromagnetic wave transparent material is EP resins, EP resins tool
There are good caking property and heat resistance.
The dielectric constant of upper epidermal layer 1, intermediate epidermis 3 and underlying epidermis layer 5 is 8.6, loss tangent 0.001,
The dielectric constant of first foam sandwich laminate 2 and the second foam sandwich laminate 4 is 1.10, loss tangent 0.005.Upper epidermal layer
1, intermediate epidermis 3 is equal with the thickness of underlying epidermis layer 5, the thickness phase of the first foam sandwich laminate 2 and the second foam sandwich laminate 4
Deng.
Embodiment 2
The present embodiment difference from example 1 is that：Jie of upper epidermal layer 1, intermediate epidermis 3 and underlying epidermis layer 5
Electric constant can also be median 8.9, loss tangent 0.00125, the first foam sandwich laminate 2 and the second foam sandwich laminate
4 dielectric constant is 1.125, loss tangent 0.0055.
Embodiment 3
The present embodiment difference from example 1 is that：Jie of upper epidermal layer 1, intermediate epidermis 3 and underlying epidermis layer 5
Electric constant can also be 9.2, loss tangent 0.0014, the dielectric of the first foam sandwich laminate 2 and the second foam sandwich laminate 4
Constant is 1.15, loss tangent 0.006.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
It is within the scope of the invention with various process programs of the present inventive concept without substantial differences.
Claims (8)
1. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material, it is characterised in that：Including be sequentially overlapped combine closely it is upper
Epidermis, the first foam sandwich laminate, intermediate epidermis, the second foam sandwich laminate and underlying epidermis layer, the upper epidermal layer, middle table
Cortex and underlying epidermis layer are made of phosphoric acid sill, and first foam sandwich laminate and the second foam sandwich laminate are by closed pore hard
Organic foam material is made, and the phosphate electromagnetic wave transparent material inorganic adhesive makees base-material, is template with organic electromagnetic wave transparent material,
The dielectric constant of the upper epidermal layer, intermediate epidermis and underlying epidermis layer is 8.6-9.2, loss tangent 0.0010-
0.0014, the dielectric constant of first foam sandwich laminate and the second foam sandwich laminate is 1.10-1.15, and loss tangent is
0.005-0.006。
2. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material according to claim 1, it is characterised in that：The nothing
Machine adhesive is made of aluminium dihydrogen phosphate, titanium dioxide, magnesia.
3. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material according to claim 1, it is characterised in that：It is described to have
Machine electromagnetic wave transparent material is EP resins.
4. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material according to claim 1, it is characterised in that：On described
The thickness of epidermis, intermediate epidermis and underlying epidermis layer is equal.
5. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material according to claim 1, it is characterised in that：Described
The thickness of one foam sandwich laminate and the second foam sandwich laminate is equal.
6. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material according to claim 1, it is characterised in that：On described
The dielectric constant of epidermis, intermediate epidermis and underlying epidermis layer is 8.6, loss tangent 0.0010, first foam
The dielectric constant of laminboard layer and the second foam sandwich laminate is 1.10, loss tangent 0.005.
7. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material according to claim 1, it is characterised in that：On described
The dielectric constant of epidermis, intermediate epidermis and underlying epidermis layer is 8.9, loss tangent 0.0012, first foam
The dielectric constant of laminboard layer and the second foam sandwich laminate is 1.12, loss tangent 0.0055.
8. a kind of millimetre-wave radar antenna house using electromagnetic wave transparent material according to claim 1, it is characterised in that：On described
The dielectric constant of epidermis, intermediate epidermis and underlying epidermis layer is 9.2, loss tangent 0.0014, first foam
The dielectric constant of laminboard layer and the second foam sandwich laminate is 1.15, loss tangent 0.006.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810076063.3A CN108461915A (en) | 2018-01-26 | 2018-01-26 | A kind of millimetre-wave radar antenna house using electromagnetic wave transparent material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810076063.3A CN108461915A (en) | 2018-01-26 | 2018-01-26 | A kind of millimetre-wave radar antenna house using electromagnetic wave transparent material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108461915A true CN108461915A (en) | 2018-08-28 |
Family
ID=63238866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810076063.3A Withdrawn CN108461915A (en) | 2018-01-26 | 2018-01-26 | A kind of millimetre-wave radar antenna house using electromagnetic wave transparent material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108461915A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112312690A (en) * | 2019-07-26 | 2021-02-02 | Oppo广东移动通信有限公司 | Shell assembly, antenna assembly and electronic equipment |
| US20220349220A1 (en) * | 2019-07-18 | 2022-11-03 | Magna Electronics Inc. | Vehicle outside door handle with radar module and thermal management |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358772A (en) * | 1980-04-30 | 1982-11-09 | Hughes Aircraft Company | Ceramic broadband radome |
| CN102303441A (en) * | 2011-07-07 | 2012-01-04 | 中国人民解放军国防科学技术大学 | Wave-transmitting material with broadband resin matrix interlayer structure and preparation method of wave-transmitting material |
| CN104059601A (en) * | 2014-06-09 | 2014-09-24 | 青岛东方循环能源有限公司 | Synthesis method of phospho wave-transparent material |
| CN104347956A (en) * | 2013-08-01 | 2015-02-11 | 深圳光启创新技术有限公司 | Wave transmitting structure and preparation method thereof |
-
2018
- 2018-01-26 CN CN201810076063.3A patent/CN108461915A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4358772A (en) * | 1980-04-30 | 1982-11-09 | Hughes Aircraft Company | Ceramic broadband radome |
| CN102303441A (en) * | 2011-07-07 | 2012-01-04 | 中国人民解放军国防科学技术大学 | Wave-transmitting material with broadband resin matrix interlayer structure and preparation method of wave-transmitting material |
| CN104347956A (en) * | 2013-08-01 | 2015-02-11 | 深圳光启创新技术有限公司 | Wave transmitting structure and preparation method thereof |
| CN104059601A (en) * | 2014-06-09 | 2014-09-24 | 青岛东方循环能源有限公司 | Synthesis method of phospho wave-transparent material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220349220A1 (en) * | 2019-07-18 | 2022-11-03 | Magna Electronics Inc. | Vehicle outside door handle with radar module and thermal management |
| CN112312690A (en) * | 2019-07-26 | 2021-02-02 | Oppo广东移动通信有限公司 | Shell assembly, antenna assembly and electronic equipment |
| CN112312690B (en) * | 2019-07-26 | 2022-03-08 | Oppo广东移动通信有限公司 | Shell assembly, antenna assembly and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180828 |