CN203787560U - Hand-held antenna for Beidou navigation reception equipment - Google Patents
Hand-held antenna for Beidou navigation reception equipment Download PDFInfo
- Publication number
- CN203787560U CN203787560U CN201420028037.0U CN201420028037U CN203787560U CN 203787560 U CN203787560 U CN 203787560U CN 201420028037 U CN201420028037 U CN 201420028037U CN 203787560 U CN203787560 U CN 203787560U
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- China
- Prior art keywords
- antenna
- floor
- noise amplifier
- held set
- receiving equipment
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- 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.)
- Expired - Lifetime
Links
- 239000000523 sample Substances 0.000 claims abstract description 5
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 229910000737 Duralumin Inorganic materials 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model discloses a hand-held antenna for Beidou navigation reception equipment. The hand-held antenna comprises an antenna shield, and an antenna oscillator arranged in an inner cavity of the antenna shield. An antenna floor is disposed under the antenna oscillator. The antenna floor is step shaped, and has a chamber structure at the lower part. A low-noise amplifier is sealed in the chamber of the antenna floor by an antenna bottom cover. The antenna bottom cover is provided with a notch for an outgoing cable. The outgoing cable is terminally connected with an SMA connector and an output terminal of the low-noise amplifier. An input terminal of the low-noise amplifier is directly connected to an output terminal of the antenna oscillator by using a probe. According to the utility model, the antenna oscillator and the low-noise amplifier are integrated by the step-shaped floor, and the hand-held antenna has the advantages of simple structure, small size, light weight, high gain, high low-angle gain and low noise, thereby effectively solving the problems of low low-angle gain and big size.
Description
Technical field
The utility model relates to triones navigation system and uses receiving equipment field, relates in particular to Big Dipper navigation receiving equipment hand-held set antenna.
Background technology
Triones navigation system is far away apart from the earth, a little less than signal, exist and be easily disturbed shortcoming.Mostly existing hand-held set antenna is antenna to be directly connected and to realize navigation function with probe with low noise amplifier, there is no ladder-shape floor.There is like this shortcomings such as lateral dimension is large, low elevation gain is lower.
Utility model content
The purpose of this utility model is to provide one higher low elevation gain, the Big Dipper navigation receiving equipment hand-held set antenna that is applicable to BD1 satellite, BD2 satellite of reduced size.
In order to reach as above object, the utility model is taked following technical scheme:
A kind of Big Dipper navigation receiving equipment hand-held set antenna, comprise radome, and be arranged on the antenna oscillator of radome inner chamber, described antenna oscillator below is provided with antenna floor, antenna floor is bucking ladder shape, its underpart is cavity body structure, and antenna bottom is closed in low noise amplifier in the cavity on antenna floor; Described antenna bottom leaves the gap picking out for cable, and the cable end piece picking out is provided with the output that connects SMA connector and low noise amplifier, and low noise amplifier input is directly connected with antenna oscillator output with probe.
Further, described antenna oscillator is provided with the micro-band stepped construction corresponding with corresponding low noise amplifier, every layer of antenna working frequency range difference.
Further, described antenna oscillator has three layers, is respectively BD2B3/BD1L/BD1S is from large to small stacked distribution according to outside dimension with working frequency range above antenna floor.
Further, described antenna oscillator is fixed on antenna floor by screw.
Further, described cable one end connects low noise amplifier output, and one end connects SMA connector.
Further, described antenna floor is connected and fixed with radome and antenna bottom respectively by screw.
Further, described radome is the bucking ladder shape with circular arc chamfering; The described lower cavity that is bucking ladder shape antenna floor is provided with the pin hole for low noise amplifier and antenna bottom are installed.
Further, described antenna floor and antenna bottom are duralumin 5A06-F material, and there is conductive oxide layer on surface.
Further, described radome is ABS plastic material.
Adopt as above technical scheme to there is following beneficial effect: antenna, LNA to be integrated, there is the features such as simple in structure, small volume and less weight, high-gain, high low elevation gain, low noise, effectively solved the problems such as low elevation gain is low, volume is large.The utility model is applicable to the occasions such as combat exercise, frontier defense patrol, emergency repair.
Brief description of the drawings
Fig. 1 is hand-held set antenna overall structure schematic diagram;
Fig. 2 is hand-held set antenna internal structure schematic diagram;
Fig. 3 is hand-held set antenna floor panel structure schematic diagram;
Fig. 4 is hand-held set antenna LNA positional structure schematic diagram;
Fig. 5 is hand-held set Antenna baseplate structural representation;
Fig. 6 is hand-held set antenna generalized section.
Wherein: 1. radome; 2. antenna oscillator; 3. antenna floor; 4. low noise amplifier; 5. antenna bottom; 6. screwed hole; 7. cable.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
The utility model Big Dipper navigation hand-held set antenna is made up of antenna oscillator 2, antenna floor 3, low noise amplifier 4 and antenna bottom 5 five parts of radome 1, three-decker.
As shown in Figure 1, for hand-held set antenna overall structure schematic diagram, Big Dipper navigation receiving equipment hand-held set antenna, comprise the radome 1 that is bucking ladder shape, as shown in Figure 2, the micro-antenna oscillator 2 with stepped construction being provided with at radome 1 inner chamber, antenna oscillator 2 has three layers, is from large to small from bottom to up stacked distribution according to outside dimension.Three layers of this place only for a kind of preferred mode does not still cause restriction to concrete enforcement of the present utility model.
As shown in Figure 3, antenna floor 3 is bucking ladder shape, is located at antenna oscillator 2 belows, and as shown in Figure 4,3 bottoms, antenna floor are cavity body structure, and as shown in Figure 5, antenna bottom 5 is closed in low noise amplifier 4 in the cavity on antenna floor 3; Described antenna bottom 5 leaves the gap picking out for cable 7, and cable 7 ends that pick out are provided with the output that connects SMA connector and low noise amplifier, and low noise amplifier input is directly connected with antenna oscillator 2 outputs with probe.
Figure 6 shows that hand-held set antenna generalized section.Reflect on the whole the utility model hand-held set antenna overall structure, in figure, antenna oscillator 2 is provided with the screwed hole 6 for installing.
Above-mentioned antenna oscillator 2 is provided with the micro-band stepped construction corresponding with corresponding low noise amplifier 4, every layer of antenna working frequency range difference.The antenna oscillator 2 of three-decker, working frequency range is respectively BD2B3/BD1L/BD1S, above antenna floor 3, is from large to small stacked distribution according to outside dimension.Antenna oscillator 2 is fixed on antenna floor 3 by screw.Cable 7 one end connect low noise amplifier output, and one end connects SMA connector.
Antenna floor 3 is connected and fixed with radome 1 and antenna bottom 5 respectively by screw.
Radome 1 is the bucking ladder shape with circular arc chamfering, and length and width and the vertical height of its upper surface are of a size of 55mm × 55mm × 17mm; The length and width and the vertical height that are the upper surface on bucking ladder shape antenna floor 3 are of a size of 52mm × 52mm × 7mm, the lower cavity that is bucking ladder shape antenna floor 3 is provided with the pin hole for low noise amplifier 4 and antenna bottom 5 are installed, and the cavity length that is closed in the low noise amplifier 4 in the cavity on antenna floor 3 is of a size of 36mm × 36mm × 5mm.
Wherein, antenna floor 3 and antenna bottom 5 are duralumin 5A06-F material, and there is conductive oxide layer on surface.Radome 1 is ABS plastic material.
The utility model Big Dipper generation, two generation navigation receiving equipment hand-held set Antenna Design divide two parts:
1, antenna scheme is chosen
According to the performance requirement of hand-held set antenna and design feature, selecting structure compactness, the microstrip antenna structure that volume is little.Known, microband paste stack technology has good broadband and circular polarization characteristics, and planar dimension remains on single patch size substantially simultaneously, and just thickness slightly increases.This project demand hand-held set can carry out work at three frequencies, so adopt the mode of three layers of microband paste stack to realize.
2, Antenna Construction Design
Determine after the implementation of antenna, in line with the idea that improves low elevation gain in limited size, between antenna and low noise amplifier, added bucking ladder shape floor.Low noise amplifier is put into the cavity of this ladder-shape floor bottom, when antenna bottom and ladder-shape floor are fixing like this, just low noise amplifier is enclosed in cavity, both saved space, also improved the low elevation gain of antenna entirety.
More than show and described general principle of the present utility model, principal character and advantage of the present utility model.Those skilled in the art should understand the utility model and not be restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (9)
1. a Big Dipper navigation receiving equipment hand-held set antenna, it is characterized in that, comprise radome (1), and be arranged on the antenna oscillator (2) of radome (1) inner chamber, described antenna oscillator (2) below is provided with antenna floor (3), antenna floor (3) is bucking ladder shape, and its underpart is cavity body structure, and antenna bottom (5) is closed in low noise amplifier (4) in the cavity of antenna floor (3); Described antenna bottom (5) leaves the gap picking out for cable (7), and the cable picking out (7) end is provided with the output that connects SMA connector and low noise amplifier, and low noise amplifier input is directly connected with antenna oscillator (2) output with probe.
2. Big Dipper navigation receiving equipment hand-held set antenna according to claim 1, is characterized in that, described antenna oscillator (2) is provided with the micro-band stepped construction corresponding with corresponding low noise amplifier (4), every layer of antenna working frequency range difference.
3. Big Dipper navigation receiving equipment hand-held set antenna according to claim 2, it is characterized in that, described antenna oscillator (2) has three layers, and working frequency range is respectively BD2B3/BD1L/BD1S, is from large to small stacked distribution in antenna floor (3) top according to outside dimension.
4. Big Dipper navigation receiving equipment hand-held set antenna according to claim 2, is characterized in that, described antenna oscillator (2) is fixed on antenna floor (3) by screw.
5. Big Dipper navigation receiving equipment hand-held set antenna according to claim 1, is characterized in that, described cable (7) one end connects low noise amplifier output, and one end connects SMA connector.
6. Big Dipper navigation receiving equipment hand-held set antenna according to claim 1, is characterized in that, described antenna floor (3) is connected and fixed with radome (1) and antenna bottom (5) respectively by screw.
7. Big Dipper navigation receiving equipment hand-held set antenna according to claim 1, is characterized in that, described radome (1) is the bucking ladder shape with circular arc chamfering; The described lower cavity that is bucking ladder shape antenna floor (3) is provided with the pin hole for low noise amplifier (4) and antenna bottom (5) are installed.
8. Big Dipper navigation receiving equipment hand-held set antenna according to claim 1, is characterized in that, described antenna floor (3) and antenna bottom (5) are duralumin 5A06-F material, and there is conductive oxide layer on surface.
9. Big Dipper navigation receiving equipment hand-held set antenna according to claim 1, is characterized in that, described radome (1) is ABS plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028037.0U CN203787560U (en) | 2014-01-16 | 2014-01-16 | Hand-held antenna for Beidou navigation reception equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028037.0U CN203787560U (en) | 2014-01-16 | 2014-01-16 | Hand-held antenna for Beidou navigation reception equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787560U true CN203787560U (en) | 2014-08-20 |
Family
ID=51323715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420028037.0U Expired - Lifetime CN203787560U (en) | 2014-01-16 | 2014-01-16 | Hand-held antenna for Beidou navigation reception equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367821A (en) * | 2022-02-23 | 2022-04-19 | 联维科技(东莞)有限公司 | Beidou navigation handset structural member machining device and machining method thereof |
-
2014
- 2014-01-16 CN CN201420028037.0U patent/CN203787560U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367821A (en) * | 2022-02-23 | 2022-04-19 | 联维科技(东莞)有限公司 | Beidou navigation handset structural member machining device and machining method thereof |
| CN114367821B (en) * | 2022-02-23 | 2022-12-09 | 联维科技(东莞)有限公司 | Beidou navigation handset structural member machining device and machining method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710100, Shaanxi, Xi'an Aerospace base, Shenzhou four Road International Plaza incubator C block 301 Patentee after: XI'AN XIDE ELECTRONIC INFORMATION TECHNOLOGY Co.,Ltd. Address before: 710100, Shaanxi, Xi'an Aerospace base, Shenzhou four Road International Plaza incubator C block 301 Patentee before: XI'AN XIDE ELECTRONIC INFORMATION TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |