CN208284632U - A kind of UWB radome shell - Google Patents
A kind of UWB radome shell Download PDFInfo
- Publication number
- CN208284632U CN208284632U CN201820974474.XU CN201820974474U CN208284632U CN 208284632 U CN208284632 U CN 208284632U CN 201820974474 U CN201820974474 U CN 201820974474U CN 208284632 U CN208284632 U CN 208284632U
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- China
- Prior art keywords
- shell
- uwb
- antenna
- radome
- screen layer
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Abstract
The utility model discloses a kind of UWB radome shells, the stripline antenna of closure is provided in the housing outer surface, metal screen layer is provided in the shell, a groove is provided on the shell, stripline antenna is connected by connecting terminal one end in the groove, one end connects the feed of aerial signal；The antenna on UWB circuit board is drawn out to stripline antenna by contact point, increases the area coverage of signal by stripline antenna, while can also enhance the ability to accept of signal；The electromagnetic interference of external complex can be effectively masked by the way that metal screen layer is arranged in shell, allows mobile UWB portable equipment that so there is good positioning function to various conventional environments lower；The utility model has the advantages of simple structure, and manufacture craft is simultaneously uncomplicated, and cost is not also high, but can effectively solve the puzzlement of aerial signal weak situation and electromagnetic interference, has very much implementation result for Portable movable UWB.
Description
Technical field
The utility model designs the field UWB, relates in particular to a kind of UWB antenna shielding case.
Background technique
UWB (Ultra Wideband) is a kind of no-load communication techniques, and the non-sinusoidal waveform using nanosecond to Microsecond grade is narrow
Data are transmitted in pulse, and by transmitting the signal of extremely low power on wider frequency spectrum, UWB can be realized in the range of 10 meters or so
The message transmission rate of hundreds of Mbit/s to several Gbit/s.UWB has strong anti-interference performance, and transmission rate is high, and power system capacity is big
Transmission power is very small, and communication equipment can be achieved with communicating with the transmission power less than 1mW, and low transmitting power greatly prolongs
The system power supply working time.Moreover, transmission power is small, the influence of Electromagnetic Wave Radiation on Human also can very little, wide application
Advantage.
Realize that the exploitation of location technology helps to improve information-based and intelligent city construction using UWB, but in reality
When being made into portable equipment after UWB equipment is packaged in the application of border, the influence of device housings, the built-in day of UWB are received
Beta radiation range is fairly small, is not able to satisfy large-scale precise positioning, and since portable device possibly is present at respectively
The region of kind electromagnetic environment complexity, causes the circuit system inside UWB equipment to receive extraneous electromagnetic interference, further brings
The error rate of positioning, so that the kinetic energy of UWB does not weaken.
It is on the books in existing document, the big face of shell can be passed through by the Antenna Design to communication equipment on the shell
The long-pending amplification to realize antenna, but it is clear that this method and technique can not be realized easily, and the phenomenon that electromagnetic interference
Appointing not can solve so, have little significance.
Utility model content
The purpose of this utility model provides a kind of antenna housing with function of shielding, in existing technical foundation to solve
Certainly the problem of electromagnetic interference and the problem of enhancing UWB signal covers.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of UWB radome shell is provided with the stripline antenna of closure, setting in the shell in the housing outer surface
There is metal screen layer, a groove be provided on the shell, passes through connecting terminal one end in the groove and connects stripline antenna,
The feed of one end connection aerial signal.
In the above-mentioned technical solutions, the metal screen layer is one piece of complete sheet metal or a wire mesh.
In the above-mentioned technical solutions, the sheet metal or the wire mesh are structure as a whole with shell, sheet metal or gold
Belong to silk screen encapsulation inside housings.
In the above-mentioned technical solutions, the both ends of the stripline antenna are all connected at connecting terminal, band-like between both ends
Surface of shell is distributed in for uniform shapes.
In the above-mentioned technical solutions, the stripline antenna arranges in the shape of a spiral along the shape of surface of shell, or is in snake
The arrangement of shape line.
In the above-mentioned technical solutions, the groove extends along the inside of shell to the outside of shell, but groove is not worn
Cross shell.
In the above-mentioned technical solutions, the bottom surface in the groove is provided with metal gasket, and the metal gasket is connected to band
The both ends of shape antenna.
In the above-mentioned technical solutions, a spring is fixedly connected on the metal gasket, the spring is pressure spring.
In the above-mentioned technical solutions, shell is shell, metal screen layer, shell, stripline antenna from internal layer to outside, each
Partial encapsulation is the shell of an entirety.
In the above-mentioned technical solutions, the metal screen layer is mutually not in contact with each other with stripline antenna, metal screen layer with it is band-like
What is filled between antenna is insulating materials.
Compared with prior art, the utility model has the following beneficial effects:
Firstly, the antenna on UWB circuit board is drawn out to stripline antenna by contact point, signal is increased by stripline antenna
Area coverage, while can also enhance the ability to accept of signal；
Secondly, can effectively mask the electromagnetic interference of external complex by the way that metal screen layer is arranged in shell, make
Lower of various conventional environments can be arrived so with good positioning function by obtaining mobile UWB portable equipment；
The utility model has the advantages of simple structure, and manufacture craft is simultaneously uncomplicated, and cost is not also high, but can effectively solve antenna
The puzzlement of signal weak situation and electromagnetic interference has implementation result for Portable movable UWB very much.
Detailed description of the invention
Fig. 1 and Fig. 2 is the schematic diagram of housing structure of the utility model；
Fig. 3 is the diagrammatic cross-section of shell；
Wherein: 1 is shell, and 2 be antenna contacts, and 3 be aerial band, and 4 be metal layer.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
As depicted in figs. 1 and 2, it is the outline structural diagram of shell, is the cap portion of entire shell, and setting band
The problem of part of shape antenna is compared with traditional stripline antenna, and what stripline antenna first had to consider in this case is connection, because
Entire UWB components of system as directed is that setting is intracorporal in shell, and antenna is arranged on circuit boards, how by the antenna on circuit board
It is drawn out on cap and is connected to stripline antenna, this is a troublesome problem, first because of the problem of this is not only by circuit communication
The problem of what is first considered is day Wiring technology.
As soon as because the antenna setting of traditional UWB is usually a square on circuit boards, also one square li of size
The size of rice, in order to guarantee to connect stripline antenna and the antenna on circuit board, centre needs a connector, because
In view of UWB is portable mobile device, circuit board may there is a situation where shake, that is to say, that stripline antenna be possible to
The antenna of circuit board shifts.Both therefore it is arranged between using compressed spring, ensured by the extruding force of spring
Antenna is fully on.
The disengaging but spring may also can shift because of stress, it is therefore desirable to fix spring.In order to fix
The groove of an indent is arranged in spring on shell, and groove is concaved towards from the inside of shell towards outside, but groove cannot pass through
Wear shell.Metal gasket is fixedly installed in the bottom of groove, spring is fixed on metal gasket, and metal gasket survey passes through weldering
The stripline antenna that technique is connect across shell and surface of shell is attached.
Stripline antenna is laid on the outer surface of shell, preferably uniformly arranges in the shape of a spiral, stripline antenna is mutual
There cannot be intersection, and stripline antenna will form the circuit of closure, just in groove, the effect of groove has been exactly in the source in circuit
To the bridge for being connected to signal feed with antenna.
A function being also equipped in this programme is exactly the influence for preventing electromagnetic interference to UWB system, usually most preferably
Electromagnetic shielding be generally used aluminium box, but the problem of this programme considers engineer application, shell, which is appointed, so uses electro-insulating rubber,
But one layer of metal screen layer is set in electro-insulating rubber.
In the present embodiment metal screen layer can use two kinds of structures, one is use one piece of complete sheet metal, one
As for selection use aluminium flake, aluminium flake is encapsulated in electro-insulating rubber, utilize aluminium physical characteristic be isolated electromagnetic shielding.Another kind is
Shielded layer is done using wire mesh, is equally packaged in electro-insulating rubber.
The structure of this shielded layer is there are two effect, and UWB first is similarly hereinafter in shell, even if colliding, circuit board is
Will not be contacted with metal screen layer, have electro-insulating rubber isolation that is there is no the risks of short circuit.Secondly, because
It is also laid in housing outer surface for antenna, the radiation of antenna itself, to being isolated out, will not influence UWB system also by metallic shield net
System itself.Therefore, antenna, metal screen layer and shell as shown in figure 3, have between antenna and metal screen layer case material into
Row isolation, and also have case material shielding between metal screen layer and UWB system circuit board, and antenna, metal screen layer and shell
It is not in greatly improve the stability of UWB system positioning because of the phenomenon that shake shifts after body is packaged as a whole
And accuracy.
This encapsulating structure of the present embodiment is perfectly by the antenna for being used to extend to realizing, without worrying that electromagnetism is dry
It disturbs.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of UWB radome shell, it is characterised in that the stripline antenna of closure is provided in housing outer surface, in the shell
It is provided with metal screen layer, a groove is provided on the shell, is connected in the groove by connecting terminal one end band-like
Antenna, one end connect the feed of aerial signal.
2. a kind of UWB radome shell according to claim 1, it is characterised in that the metal screen layer is one piece complete
Sheet metal or a wire mesh.
3. a kind of UWB radome shell according to claim 2, it is characterised in that the sheet metal or the wire mesh
It is structure as a whole with shell, sheet metal or wire mesh encapsulation are inside housings.
4. a kind of UWB radome shell according to claim 1, it is characterised in that the both ends of the stripline antenna are all connected with
To at connecting terminal, band-like between both ends is distributed in surface of shell for uniform shapes.
5. a kind of UWB radome shell according to claim 2, it is characterised in that the stripline antenna is along surface of shell
Shape arrange in the shape of a spiral or serpentine-like line arrangement.
6. a kind of UWB radome shell according to claim 1, it is characterised in that the groove along shell the inside to
The outside of shell extends, but groove is not passed through shell.
7. a kind of UWB radome shell according to claim 6, it is characterised in that the bottom surface in the groove is provided with gold
Belong to gasket, the metal gasket is connected to the both ends of stripline antenna.
8. a kind of UWB radome shell according to claim 7, it is characterised in that be fixedly connected on the metal gasket
One spring, the spring are pressure spring.
9. -6 any a kind of UWB radome shell according to claim 1, it is characterised in that shell is from internal layer to outside
Shell, metal screen layer, shell, stripline antenna, various pieces are encapsulated as the shell of an entirety.
10. a kind of UWB radome shell according to claim 9, it is characterised in that the metal screen layer and band-like day
Line is mutually not in contact with each other, and what is filled between metal screen layer and stripline antenna is insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974474.XU CN208284632U (en) | 2018-06-25 | 2018-06-25 | A kind of UWB radome shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820974474.XU CN208284632U (en) | 2018-06-25 | 2018-06-25 | A kind of UWB radome shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284632U true CN208284632U (en) | 2018-12-25 |
Family
ID=64698609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820974474.XU Active CN208284632U (en) | 2018-06-25 | 2018-06-25 | A kind of UWB radome shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208284632U (en) |
-
2018
- 2018-06-25 CN CN201820974474.XU patent/CN208284632U/en active Active
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